diff --git a/Documentation/vm/hugetlbfs_reserv.rst b/Documentation/vm/hugetlbfs_reserv.rst index f143954e0d0568..1c238b10e17722 100644 --- a/Documentation/vm/hugetlbfs_reserv.rst +++ b/Documentation/vm/hugetlbfs_reserv.rst @@ -157,7 +157,7 @@ are enough free huge pages to accommodate the reservation. If there are, the global reservation count resv_huge_pages is adjusted something like the following:: - if (resv_needed <= (resv_huge_pages - free_huge_pages)) + if (resv_needed <= (free_huge_pages - resv_huge_pages) resv_huge_pages += resv_needed; Note that the global lock hugetlb_lock is held when checking and adjusting diff --git a/Makefile b/Makefile index d3d82c21152fd9..20aa57694b1f70 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 10 -SUBLEVEL = 257 +SUBLEVEL = 258 EXTRAVERSION = NAME = Dare mighty things diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi index c267fc1f83579c..290527c9711ec3 100644 --- a/arch/arm/boot/dts/mt7623.dtsi +++ b/arch/arm/boot/dts/mt7623.dtsi @@ -329,7 +329,7 @@ efuse: efuse@10206000 { compatible = "mediatek,mt7623-efuse", - "mediatek,mt8173-efuse"; + "mediatek,efuse"; reg = <0 0x10206000 0 0x1000>; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index b7eb4038798b65..b6d54cee5b7922 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -88,14 +88,6 @@ static u64 notrace intcp_read_sched_clock(void) return val; } -static void __init intcp_init_early(void) -{ - cm_map = syscon_regmap_lookup_by_compatible("arm,core-module-integrator"); - if (IS_ERR(cm_map)) - return; - sched_clock_register(intcp_read_sched_clock, 32, 24000000); -} - static void __init intcp_init_irq_of(void) { cm_init(); @@ -121,6 +113,10 @@ static void __init intcp_init_of(void) { struct device_node *cpcon; + cm_map = syscon_regmap_lookup_by_compatible("arm,core-module-integrator"); + if (!IS_ERR(cm_map)) + sched_clock_register(intcp_read_sched_clock, 32, 24000000); + cpcon = of_find_matching_node(NULL, intcp_syscon_match); if (!cpcon) return; @@ -140,7 +136,6 @@ static const char * intcp_dt_board_compat[] = { DT_MACHINE_START(INTEGRATOR_CP_DT, "ARM Integrator/CP (Device Tree)") .reserve = integrator_reserve, .map_io = intcp_map_io, - .init_early = intcp_init_early, .init_irq = intcp_init_irq_of, .init_machine = intcp_init_of, .dt_compat = intcp_dt_board_compat, diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts index b2ab05c2209031..67c952fe8abc14 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts @@ -86,7 +86,8 @@ reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>; interrupt-parent = <&gpio_intc>; - interrupts = <29 IRQ_TYPE_LEVEL_LOW>; + /* MAC_INTR on GPIOZ_15 */ + interrupts = <25 IRQ_TYPE_LEVEL_LOW>; eee-broken-1000t; }; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts index cc29223ca188c2..cd3c3edd48fa31 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-r3.dts @@ -10,6 +10,12 @@ compatible = "purism,librem5r3", "purism,librem5", "fsl,imx8mq"; }; +&a53_opp_table { + opp-1000000000 { + opp-microvolt = <1000000>; + }; +}; + &accel_gyro { mount-matrix = "1", "0", "0", "0", "1", "0", diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi index 325ea100969a8f..6e8d041dc4b80b 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi @@ -649,10 +649,11 @@ regulator-name = "buck1"; regulator-min-microvolt = <700000>; regulator-max-microvolt = <1300000>; + regulator-boot-on; regulator-ramp-delay = <1250>; rohm,dvs-run-voltage = <900000>; rohm,dvs-idle-voltage = <850000>; - rohm,dvs-suspend-voltage = <800000>; + rohm,dvs-suspend-voltage = <850000>; regulator-always-on; }; @@ -660,6 +661,7 @@ regulator-name = "buck2"; regulator-min-microvolt = <700000>; regulator-max-microvolt = <1300000>; + regulator-boot-on; regulator-ramp-delay = <1250>; rohm,dvs-run-voltage = <1000000>; rohm,dvs-idle-voltage = <900000>; @@ -670,8 +672,8 @@ regulator-name = "buck3"; regulator-min-microvolt = <700000>; regulator-max-microvolt = <1300000>; + regulator-boot-on; rohm,dvs-run-voltage = <900000>; - regulator-always-on; }; buck4_reg: BUCK4 { @@ -685,6 +687,7 @@ regulator-name = "buck5"; regulator-min-microvolt = <700000>; regulator-max-microvolt = <1350000>; + regulator-boot-on; regulator-always-on; }; @@ -692,6 +695,7 @@ regulator-name = "buck6"; regulator-min-microvolt = <3000000>; regulator-max-microvolt = <3300000>; + regulator-boot-on; regulator-always-on; }; @@ -699,6 +703,7 @@ regulator-name = "buck7"; regulator-min-microvolt = <1605000>; regulator-max-microvolt = <1995000>; + regulator-boot-on; regulator-always-on; }; @@ -706,6 +711,7 @@ regulator-name = "buck8"; regulator-min-microvolt = <800000>; regulator-max-microvolt = <1400000>; + regulator-boot-on; regulator-always-on; }; @@ -713,6 +719,7 @@ regulator-name = "ldo1"; regulator-min-microvolt = <3000000>; regulator-max-microvolt = <3300000>; + regulator-boot-on; /* leave on for snvs power button */ regulator-always-on; }; @@ -721,6 +728,7 @@ regulator-name = "ldo2"; regulator-min-microvolt = <900000>; regulator-max-microvolt = <900000>; + regulator-boot-on; /* leave on for snvs power button */ regulator-always-on; }; @@ -729,6 +737,7 @@ regulator-name = "ldo3"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; + regulator-boot-on; regulator-always-on; }; @@ -736,6 +745,7 @@ regulator-name = "ldo4"; regulator-min-microvolt = <900000>; regulator-max-microvolt = <1800000>; + regulator-boot-on; regulator-always-on; }; @@ -752,6 +762,7 @@ regulator-name = "ldo6"; regulator-min-microvolt = <900000>; regulator-max-microvolt = <1800000>; + regulator-boot-on; regulator-always-on; }; @@ -760,6 +771,7 @@ regulator-name = "ldo7"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; + regulator-boot-on; regulator-always-on; }; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index 8d0d41973ff542..995cbe6cf0a26d 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi @@ -1137,7 +1137,7 @@ <&clk IMX8MQ_GPU_PLL_OUT>, <&clk IMX8MQ_GPU_PLL>; assigned-clock-rates = <800000000>, <800000000>, - <800000000>, <800000000>, <0>; + <800000000>, <400000000>, <0>; power-domains = <&pgc_gpu>; }; diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts index 86cbae63eaf7b9..b38b3bcdf429e1 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts @@ -131,6 +131,7 @@ regulator-min-microvolt = <880000>; regulator-max-microvolt = <880000>; regulator-initial-mode = ; + regulator-boot-on; }; vreg_l5a_0p8: ldo5 { @@ -157,6 +158,14 @@ regulator-initial-mode = ; }; + vreg_l14a_1p8: ldo14 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-initial-mode = ; + regulator-boot-on; + regulator-always-on; + }; + vreg_l17a_1p3: ldo17 { regulator-min-microvolt = <1304000>; regulator-max-microvolt = <1304000>; @@ -191,6 +200,7 @@ regulator-min-microvolt = <1200000>; regulator-max-microvolt = <1200000>; regulator-initial-mode = ; + regulator-boot-on; }; }; }; @@ -200,6 +210,43 @@ firmware-name = "qcom/sdm845/cdsp.mdt"; }; +&dsi0 { + status = "okay"; + vdda-supply = <&vreg_l26a_1p2>; + + #address-cells = <1>; + #size-cells = <0>; + + panel@0 { + compatible = "tianma,fhd-video"; + reg = <0>; + vddi0-supply = <&vreg_l14a_1p8>; + vddpos-supply = <&lab>; + vddneg-supply = <&ibb>; + + #address-cells = <1>; + #size-cells = <0>; + + reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>; + + port { + tianma_nt36672a_in_0: endpoint { + remote-endpoint = <&dsi0_out>; + }; + }; + }; +}; + +&dsi0_out { + remote-endpoint = <&tianma_nt36672a_in_0>; + data-lanes = <0 1 2 3>; +}; + +&dsi0_phy { + status = "okay"; + vdds-supply = <&vreg_l1a_0p875>; +}; + &gcc { protected-clocks = , , @@ -215,6 +262,31 @@ }; }; +&ibb { + regulator-min-microvolt = <4600000>; + regulator-max-microvolt = <6000000>; + regulator-over-current-protection; + regulator-pull-down; + regulator-soft-start; + qcom,discharge-resistor-kohms = <300>; +}; + +&lab { + regulator-min-microvolt = <4600000>; + regulator-max-microvolt = <6000000>; + regulator-over-current-protection; + regulator-pull-down; + regulator-soft-start; +}; + +&mdss { + status = "okay"; +}; + +&mdss_mdp { + status = "okay"; +}; + &mss_pil { status = "okay"; firmware-name = "qcom/sdm845/mba.mbn", "qcom/sdm845/modem.mdt"; diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h index dd03bc905841f9..0d61a89fe99df6 100644 --- a/arch/mips/include/asm/cpu-features.h +++ b/arch/mips/include/asm/cpu-features.h @@ -486,7 +486,6 @@ # endif # ifndef cpu_vmbits # define cpu_vmbits cpu_data[0].vmbits -# define __NEED_VMBITS_PROBE # endif #endif diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h index a600670d00e970..1aee44124f1187 100644 --- a/arch/mips/include/asm/cpu-info.h +++ b/arch/mips/include/asm/cpu-info.h @@ -80,9 +80,7 @@ struct cpuinfo_mips { int srsets; /* Shadow register sets */ int package;/* physical package number */ unsigned int globalnumber; -#ifdef CONFIG_64BIT int vmbits; /* Virtual memory size in bits */ -#endif void *data; /* Additional data */ unsigned int watch_reg_count; /* Number that exist */ unsigned int watch_reg_use_cnt; /* Usable by ptrace */ diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 7a7467d3f7f058..c0e8237c779f3f 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -1715,6 +1715,8 @@ do { \ #define read_c0_entryhi() __read_ulong_c0_register($10, 0) #define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val) +#define read_c0_entryhi_64() __read_64bit_c0_register($10, 0) +#define write_c0_entryhi_64(val) __write_64bit_c0_register($10, 0, val) #define read_c0_guestctl1() __read_32bit_c0_register($10, 4) #define write_c0_guestctl1(val) __write_32bit_c0_register($10, 4, val) diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 24d2ab277d78e7..9cf3644dfd2762 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -207,11 +207,14 @@ static inline void set_elf_base_platform(const char *plat) static inline void cpu_probe_vmbits(struct cpuinfo_mips *c) { -#ifdef __NEED_VMBITS_PROBE - write_c0_entryhi(0x3fffffffffffe000ULL); - back_to_back_c0_hazard(); - c->vmbits = fls64(read_c0_entryhi() & 0x3fffffffffffe000ULL); -#endif + int vmbits = 31; + + if (cpu_has_64bits) { + write_c0_entryhi_64(0x3fffffffffffe000ULL); + back_to_back_c0_hazard(); + vmbits = fls64(read_c0_entryhi_64() & 0x3fffffffffffe000ULL); + } + c->vmbits = vmbits; } static void set_isa(struct cpuinfo_mips *c, unsigned int isa) diff --git a/arch/mips/kernel/cpu-r3k-probe.c b/arch/mips/kernel/cpu-r3k-probe.c index abdbbe8c5a43a9..216271c7b60f17 100644 --- a/arch/mips/kernel/cpu-r3k-probe.c +++ b/arch/mips/kernel/cpu-r3k-probe.c @@ -158,6 +158,8 @@ void cpu_probe(void) cpu_set_fpu_opts(c); else cpu_set_nofpu_opts(c); + + c->vmbits = 31; } void cpu_report(void) diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c index d9a5ede8869bdc..2e4b4668afd895 100644 --- a/arch/mips/mm/tlb-r4k.c +++ b/arch/mips/mm/tlb-r4k.c @@ -12,6 +12,8 @@ #include #include #include +#include +#include #include #include #include @@ -23,6 +25,7 @@ #include #include #include +#include #include extern void build_tlb_refill_handler(void); @@ -500,81 +503,266 @@ static int __init set_ntlb(char *str) __setup("ntlb=", set_ntlb); -/* Comparison function for EntryHi VPN fields. */ -static int r4k_vpn_cmp(const void *a, const void *b) +/* The start bit position of VPN2 and Mask in EntryHi/PageMask registers. */ +#define VPN2_SHIFT 13 + +/* Read full EntryHi even with CONFIG_32BIT. */ +static inline unsigned long long read_c0_entryhi_native(void) { - long v = *(unsigned long *)a - *(unsigned long *)b; - int s = sizeof(long) > sizeof(int) ? sizeof(long) * 8 - 1: 0; - return s ? (v != 0) | v >> s : v; + return cpu_has_64bits ? read_c0_entryhi_64() : read_c0_entryhi(); } +/* Write full EntryHi even with CONFIG_32BIT. */ +static inline void write_c0_entryhi_native(unsigned long long v) +{ + if (cpu_has_64bits) + write_c0_entryhi_64(v); + else + write_c0_entryhi(v); +} + +/* TLB entry state for uniquification. */ +struct tlbent { + unsigned long long wired:1; + unsigned long long global:1; + unsigned long long asid:10; + unsigned long long vpn:51; + unsigned long long pagesz:5; + unsigned long long index:14; +}; + /* - * Initialise all TLB entries with unique values that do not clash with - * what we have been handed over and what we'll be using ourselves. + * Comparison function for TLB entry sorting. Place wired entries first, + * then global entries, then order by the increasing VPN/ASID and the + * decreasing page size. This lets us avoid clashes with wired entries + * easily and get entries for larger pages out of the way first. + * + * We could group bits so as to reduce the number of comparisons, but this + * is seldom executed and not performance-critical, so prefer legibility. */ -static void r4k_tlb_uniquify(void) +static int r4k_entry_cmp(const void *a, const void *b) { - unsigned long tlb_vpns[1 << MIPS_CONF1_TLBS_SIZE]; - int tlbsize = current_cpu_data.tlbsize; - int start = num_wired_entries(); - unsigned long vpn_mask; - int cnt, ent, idx, i; + struct tlbent ea = *(struct tlbent *)a, eb = *(struct tlbent *)b; + + if (ea.wired > eb.wired) + return -1; + else if (ea.wired < eb.wired) + return 1; + else if (ea.global > eb.global) + return -1; + else if (ea.global < eb.global) + return 1; + else if (ea.vpn < eb.vpn) + return -1; + else if (ea.vpn > eb.vpn) + return 1; + else if (ea.asid < eb.asid) + return -1; + else if (ea.asid > eb.asid) + return 1; + else if (ea.pagesz > eb.pagesz) + return -1; + else if (ea.pagesz < eb.pagesz) + return 1; + else + return 0; +} - vpn_mask = GENMASK(cpu_vmbits - 1, 13); - vpn_mask |= IS_ENABLED(CONFIG_64BIT) ? 3ULL << 62 : 1 << 31; +/* + * Fetch all the TLB entries. Mask individual VPN values retrieved with + * the corresponding page mask and ignoring any 1KiB extension as we'll + * be using 4KiB pages for uniquification. + */ +static void __ref r4k_tlb_uniquify_read(struct tlbent *tlb_vpns, int tlbsize) +{ + int start = num_wired_entries(); + unsigned long long vpn_mask; + bool global; + int i; - htw_stop(); + vpn_mask = GENMASK(current_cpu_data.vmbits - 1, VPN2_SHIFT); + vpn_mask |= cpu_has_64bits ? 3ULL << 62 : 1 << 31; - for (i = start, cnt = 0; i < tlbsize; i++, cnt++) { - unsigned long vpn; + for (i = 0; i < tlbsize; i++) { + unsigned long long entryhi, vpn, mask, asid; + unsigned int pagesz; write_c0_index(i); mtc0_tlbr_hazard(); tlb_read(); tlb_read_hazard(); - vpn = read_c0_entryhi(); - vpn &= vpn_mask & PAGE_MASK; - tlb_vpns[cnt] = vpn; - /* Prevent any large pages from overlapping regular ones. */ - write_c0_pagemask(read_c0_pagemask() & PM_DEFAULT_MASK); - mtc0_tlbw_hazard(); - tlb_write_indexed(); - tlbw_use_hazard(); + global = !!(read_c0_entrylo0() & ENTRYLO_G); + entryhi = read_c0_entryhi_native(); + mask = read_c0_pagemask(); + + asid = entryhi & cpu_asid_mask(¤t_cpu_data); + vpn = (entryhi & vpn_mask & ~mask) >> VPN2_SHIFT; + pagesz = ilog2((mask >> VPN2_SHIFT) + 1); + + tlb_vpns[i].global = global; + tlb_vpns[i].asid = global ? 0 : asid; + tlb_vpns[i].vpn = vpn; + tlb_vpns[i].pagesz = pagesz; + tlb_vpns[i].wired = i < start; + tlb_vpns[i].index = i; } +} - sort(tlb_vpns, cnt, sizeof(tlb_vpns[0]), r4k_vpn_cmp, NULL); +/* + * Write unique values to all but the wired TLB entries each, using + * the 4KiB page size. This size might not be supported with R6, but + * EHINV is mandatory for R6, so we won't ever be called in that case. + * + * A sorted table is supplied with any wired entries at the beginning, + * followed by any global entries, and then finally regular entries. + * We start at the VPN and ASID values of zero and only assign user + * addresses, therefore guaranteeing no clash with addresses produced + * by UNIQUE_ENTRYHI. We avoid any VPN values used by wired or global + * entries, by increasing the VPN value beyond the span of such entry. + * + * When a VPN/ASID clash is found with a regular entry we increment the + * ASID instead until no VPN/ASID clash has been found or the ASID space + * has been exhausted, in which case we increase the VPN value beyond + * the span of the largest clashing entry. + * + * We do not need to be concerned about FTLB or MMID configurations as + * those are required to implement the EHINV feature. + */ +static void __ref r4k_tlb_uniquify_write(struct tlbent *tlb_vpns, int tlbsize) +{ + unsigned long long asid, vpn, vpn_size, pagesz; + int widx, gidx, idx, sidx, lidx, i; - write_c0_pagemask(PM_DEFAULT_MASK); + vpn_size = 1ULL << (current_cpu_data.vmbits - VPN2_SHIFT); + pagesz = ilog2((PM_4K >> VPN2_SHIFT) + 1); + + write_c0_pagemask(PM_4K); write_c0_entrylo0(0); write_c0_entrylo1(0); - idx = 0; - ent = tlbsize; - for (i = start; i < tlbsize; i++) - while (1) { - unsigned long entryhi, vpn; + asid = 0; + vpn = 0; + widx = 0; + gidx = 0; + for (sidx = 0; sidx < tlbsize && tlb_vpns[sidx].wired; sidx++) + ; + for (lidx = sidx; lidx < tlbsize && tlb_vpns[lidx].global; lidx++) + ; + idx = gidx = sidx + 1; + for (i = sidx; i < tlbsize; i++) { + unsigned long long entryhi, vpn_pagesz = 0; - entryhi = UNIQUE_ENTRYHI(ent); - vpn = entryhi & vpn_mask & PAGE_MASK; + while (1) { + if (WARN_ON(vpn >= vpn_size)) { + dump_tlb_all(); + /* Pray local_flush_tlb_all() will cope. */ + return; + } - if (idx >= cnt || vpn < tlb_vpns[idx]) { - write_c0_entryhi(entryhi); - write_c0_index(i); - mtc0_tlbw_hazard(); - tlb_write_indexed(); - ent++; - break; - } else if (vpn == tlb_vpns[idx]) { - ent++; - } else { + /* VPN must be below the next wired entry. */ + if (widx < sidx && vpn >= tlb_vpns[widx].vpn) { + vpn = max(vpn, + (tlb_vpns[widx].vpn + + (1ULL << tlb_vpns[widx].pagesz))); + asid = 0; + widx++; + continue; + } + /* VPN must be below the next global entry. */ + if (gidx < lidx && vpn >= tlb_vpns[gidx].vpn) { + vpn = max(vpn, + (tlb_vpns[gidx].vpn + + (1ULL << tlb_vpns[gidx].pagesz))); + asid = 0; + gidx++; + continue; + } + /* Try to find a free ASID so as to conserve VPNs. */ + if (idx < tlbsize && vpn == tlb_vpns[idx].vpn && + asid == tlb_vpns[idx].asid) { + unsigned long long idx_pagesz; + + idx_pagesz = tlb_vpns[idx].pagesz; + vpn_pagesz = max(vpn_pagesz, idx_pagesz); + do + idx++; + while (idx < tlbsize && + vpn == tlb_vpns[idx].vpn && + asid == tlb_vpns[idx].asid); + asid++; + if (asid > cpu_asid_mask(¤t_cpu_data)) { + vpn += vpn_pagesz; + asid = 0; + vpn_pagesz = 0; + } + continue; + } + /* VPN mustn't be above the next regular entry. */ + if (idx < tlbsize && vpn > tlb_vpns[idx].vpn) { + vpn = max(vpn, + (tlb_vpns[idx].vpn + + (1ULL << tlb_vpns[idx].pagesz))); + asid = 0; idx++; + continue; } + break; + } + + entryhi = (vpn << VPN2_SHIFT) | asid; + write_c0_entryhi_native(entryhi); + write_c0_index(tlb_vpns[i].index); + mtc0_tlbw_hazard(); + tlb_write_indexed(); + + tlb_vpns[i].asid = asid; + tlb_vpns[i].vpn = vpn; + tlb_vpns[i].pagesz = pagesz; + + asid++; + if (asid > cpu_asid_mask(¤t_cpu_data)) { + vpn += 1ULL << pagesz; + asid = 0; } + } +} + +/* + * Initialise all TLB entries with unique values that do not clash with + * what we have been handed over and what we'll be using ourselves. + */ +static void __ref r4k_tlb_uniquify(void) +{ + int tlbsize = current_cpu_data.tlbsize; + bool use_slab = slab_is_available(); + phys_addr_t tlb_vpn_size; + struct tlbent *tlb_vpns; + + tlb_vpn_size = tlbsize * sizeof(*tlb_vpns); + tlb_vpns = (use_slab ? + kmalloc(tlb_vpn_size, GFP_ATOMIC) : + memblock_alloc_raw(tlb_vpn_size, sizeof(*tlb_vpns))); + if (WARN_ON(!tlb_vpns)) + return; /* Pray local_flush_tlb_all() is good enough. */ + + htw_stop(); + + r4k_tlb_uniquify_read(tlb_vpns, tlbsize); + + sort(tlb_vpns, tlbsize, sizeof(*tlb_vpns), r4k_entry_cmp, NULL); + + r4k_tlb_uniquify_write(tlb_vpns, tlbsize); + + write_c0_pagemask(PM_DEFAULT_MASK); tlbw_use_hazard(); htw_start(); flush_micro_tlb(); + if (use_slab) + kfree(tlb_vpns); + else + memblock_free(__pa(tlb_vpns), tlb_vpn_size); } /* @@ -616,7 +804,8 @@ static void r4k_tlb_configure(void) temp_tlb_entry = current_cpu_data.tlbsize - 1; /* From this point on the ARC firmware is dead. */ - r4k_tlb_uniquify(); + if (!cpu_has_tlbinv) + r4k_tlb_uniquify(); local_flush_tlb_all(); /* Did I tell you that ARC SUCKS? */ diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl index e9c70f9a2f505e..6095b58dd9eb21 100644 --- a/arch/parisc/kernel/syscalls/syscall.tbl +++ b/arch/parisc/kernel/syscalls/syscall.tbl @@ -154,7 +154,7 @@ # 137 was afs_syscall 138 common setfsuid sys_setfsuid 139 common setfsgid sys_setfsgid -140 common _llseek sys_llseek +140 32 _llseek sys_llseek 141 common getdents sys_getdents compat_sys_getdents 142 common _newselect sys_select compat_sys_select 143 common flock sys_flock diff --git a/arch/powerpc/kexec/file_load_64.c b/arch/powerpc/kexec/file_load_64.c index cb3fc0042cc251..9b4fdb47b9ba65 100644 --- a/arch/powerpc/kexec/file_load_64.c +++ b/arch/powerpc/kexec/file_load_64.c @@ -766,7 +766,7 @@ static void update_backup_region_phdr(struct kimage *image, Elf64_Ehdr *ehdr) unsigned int i; phdr = (Elf64_Phdr *)(ehdr + 1); - for (i = 0; i < ehdr->e_phnum; i++) { + for (i = 0; i < ehdr->e_phnum; i++, phdr++) { if (phdr->p_paddr == BACKUP_SRC_START) { phdr->p_offset = image->arch.backup_start; pr_debug("Backup region offset updated to 0x%lx\n", diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c index 0d47514e8870db..1b4375c4870803 100644 --- a/arch/powerpc/net/bpf_jit_comp64.c +++ b/arch/powerpc/net/bpf_jit_comp64.c @@ -257,30 +257,32 @@ static int bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 o * tail_call_cnt++; */ EMIT(PPC_RAW_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1], 1)); - PPC_BPF_STL(b2p[TMP_REG_1], 1, bpf_jit_stack_tailcallcnt(ctx)); /* prog = array->ptrs[index]; */ - EMIT(PPC_RAW_MULI(b2p[TMP_REG_1], b2p_index, 8)); - EMIT(PPC_RAW_ADD(b2p[TMP_REG_1], b2p[TMP_REG_1], b2p_bpf_array)); - PPC_BPF_LL(b2p[TMP_REG_1], b2p[TMP_REG_1], offsetof(struct bpf_array, ptrs)); + EMIT(PPC_RAW_MULI(b2p[TMP_REG_2], b2p_index, 8)); + EMIT(PPC_RAW_ADD(b2p[TMP_REG_2], b2p[TMP_REG_2], b2p_bpf_array)); + PPC_BPF_LL(b2p[TMP_REG_2], b2p[TMP_REG_2], offsetof(struct bpf_array, ptrs)); /* * if (prog == NULL) * goto out; */ - EMIT(PPC_RAW_CMPLDI(b2p[TMP_REG_1], 0)); + EMIT(PPC_RAW_CMPLDI(b2p[TMP_REG_2], 0)); PPC_BCC(COND_EQ, out); /* goto *(prog->bpf_func + prologue_size); */ - PPC_BPF_LL(b2p[TMP_REG_1], b2p[TMP_REG_1], offsetof(struct bpf_prog, bpf_func)); + PPC_BPF_LL(b2p[TMP_REG_2], b2p[TMP_REG_2], offsetof(struct bpf_prog, bpf_func)); #ifdef PPC64_ELF_ABI_v1 /* skip past the function descriptor */ - EMIT(PPC_RAW_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1], + EMIT(PPC_RAW_ADDI(b2p[TMP_REG_2], b2p[TMP_REG_2], FUNCTION_DESCR_SIZE + BPF_TAILCALL_PROLOGUE_SIZE)); #else - EMIT(PPC_RAW_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1], BPF_TAILCALL_PROLOGUE_SIZE)); + EMIT(PPC_RAW_ADDI(b2p[TMP_REG_2], b2p[TMP_REG_2], BPF_TAILCALL_PROLOGUE_SIZE)); #endif - EMIT(PPC_RAW_MTCTR(b2p[TMP_REG_1])); + EMIT(PPC_RAW_MTCTR(b2p[TMP_REG_2])); + + /* Writeback updated tailcall count */ + PPC_BPF_STL(b2p[TMP_REG_1], 1, bpf_jit_stack_tailcallcnt(ctx)); /* tear down stack, restore NVRs, ... */ bpf_jit_emit_common_epilogue(image, ctx); diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c index 665f18e37efb29..3d1398125507b5 100644 --- a/arch/powerpc/platforms/44x/warp.c +++ b/arch/powerpc/platforms/44x/warp.c @@ -261,6 +261,8 @@ static int pika_dtm_thread(void __iomem *fpga) schedule_timeout(HZ); } + put_device(&client->dev); + return 0; } diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index 982745572945ef..a754125ca4b8e3 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -44,7 +44,7 @@ * Define vmemmap for pfn_to_page & page_to_pfn calls. Needed if kernel * is configured with CONFIG_SPARSEMEM_VMEMMAP enabled. */ -#define vmemmap ((struct page *)VMEMMAP_START - (phys_ram_base >> PAGE_SHIFT)) +#define vmemmap ((struct page *)VMEMMAP_START) #define PCI_IO_SIZE SZ_16M #define PCI_IO_END VMEMMAP_START diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index 89fbfb3b1e01d2..a347f6244654af 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -1211,6 +1211,9 @@ static inline char *debug_get_user_string(const char __user *user_buf, { char *buffer; + if (!user_len) + return ERR_PTR(-EINVAL); + buffer = kmalloc(user_len + 1, GFP_KERNEL); if (!buffer) return ERR_PTR(-ENOMEM); @@ -1387,6 +1390,11 @@ static int debug_input_flush_fn(debug_info_t *id, struct debug_view *view, char input_buf[1]; int rc = user_len; + if (!user_len) { + rc = -EINVAL; + goto out; + } + if (user_len > 0x10000) user_len = 0x10000; if (*offset != 0) { diff --git a/arch/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c index 29b46581ddd137..dc1d1bcd85ec24 100644 --- a/arch/um/drivers/cow_user.c +++ b/arch/um/drivers/cow_user.c @@ -15,6 +15,12 @@ #include "cow.h" #include "cow_sys.h" +/* + * arch/um/Makefile remaps strrchr to kernel_strrchr; call the kernel + * name directly to avoid glibc >= 2.43's C23 strrchr macro. + */ +char *kernel_strrchr(const char *, int); + #define PATH_LEN_V1 256 /* unsigned time_t works until year 2106 */ @@ -153,7 +159,7 @@ static int absolutize(char *to, int size, char *from) errno); return -1; } - slash = strrchr(from, '/'); + slash = kernel_strrchr(from, '/'); if (slash != NULL) { *slash = '\0'; if (chdir(from)) { diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h index 8686f5cfbc6b77..72044026eb3c2c 100644 --- a/arch/x86/include/asm/segment.h +++ b/arch/x86/include/asm/segment.h @@ -242,7 +242,7 @@ static inline unsigned long vdso_encode_cpunode(int cpu, unsigned long node) static inline void vdso_read_cpunode(unsigned *cpu, unsigned *node) { - unsigned long p; + unsigned int p; /* * Load CPU and node number from the GDT. LSL is faster than RDTSCP @@ -252,10 +252,10 @@ static inline void vdso_read_cpunode(unsigned *cpu, unsigned *node) * * If RDPID is available, use it. */ - alternative_io ("lsl %[seg],%k[p]", - "rdpid %[p]", + alternative_io ("lsl %[seg],%[p]", + ".byte 0xf3,0x0f,0xc7,0xf8", /* RDPID %eax/rax */ X86_FEATURE_RDPID, - [p] "=r" (p), [seg] "r" (__CPUNODE_SEG)); + [p] "=a" (p), [seg] "r" (__CPUNODE_SEG)); if (cpu) *cpu = (p & VDSO_CPUNODE_MASK); diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c index 9f948b2d26f6bd..099ca674e3de18 100644 --- a/arch/x86/kernel/uprobes.c +++ b/arch/x86/kernel/uprobes.c @@ -1095,3 +1095,27 @@ bool arch_uretprobe_is_alive(struct return_instance *ret, enum rp_check ctx, else return regs->sp <= ret->stack; } + +#ifdef CONFIG_IA32_EMULATION +unsigned long arch_uprobe_get_xol_area(void) +{ + struct thread_info *ti = current_thread_info(); + unsigned long vaddr; + + /* + * HACK: we are not in a syscall, but x86 get_unmapped_area() paths + * ignore TIF_ADDR32 and rely on in_32bit_syscall() to calculate + * vm_unmapped_area_info.high_limit. + * + * The #ifdef above doesn't cover the CONFIG_X86_X32_ABI=y case, + * but in this case in_32bit_syscall() -> in_x32_syscall() always + * (falsely) returns true because ->orig_ax == -1. + */ + if (test_thread_flag(TIF_ADDR32)) + ti->status |= TS_COMPAT; + vaddr = get_unmapped_area(NULL, TASK_SIZE - PAGE_SIZE, PAGE_SIZE, 0, 0); + ti->status &= ~TS_COMPAT; + + return vaddr; +} +#endif diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index bc523302970e6f..5dbb4a742aa4b5 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -308,6 +308,7 @@ void sync_nested_vmcb_control(struct vcpu_svm *svm) u32 mask; svm->nested.ctl.event_inj = svm->vmcb->control.event_inj; svm->nested.ctl.event_inj_err = svm->vmcb->control.event_inj_err; + svm->nested.ctl.int_state = svm->vmcb->control.int_state; /* Only a few fields of int_ctl are written by the processor. */ mask = V_IRQ_MASK | V_TPR_MASK; @@ -531,6 +532,7 @@ int nested_svm_vmrun(struct vcpu_svm *svm) vmcb12->control.exit_code_hi = -1u; vmcb12->control.exit_info_1 = 0; vmcb12->control.exit_info_2 = 0; + svm_set_gif(svm, false); goto out; } @@ -1251,6 +1253,9 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu, load_nested_vmcb_control(svm, ctl); nested_prepare_vmcb_control(svm); + if (kvm_vcpu_apicv_active(vcpu)) + kvm_make_request(KVM_REQ_APICV_UPDATE, vcpu); + kvm_make_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu); ret = 0; out_free: diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 52e14d6aa49658..cd4a5f9d4edcfc 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -338,10 +338,16 @@ static struct page **sev_pin_memory(struct kvm *kvm, unsigned long uaddr, if (ulen == 0 || uaddr + ulen < uaddr) return ERR_PTR(-EINVAL); - /* Calculate number of pages. */ + /* + * Calculate the number of pages that need to be pinned to cover the + * entire range. Note! This isn't simply ulen >> PAGE_SHIFT, as KVM + * doesn't require the incoming address+size to be page aligned! + */ first = (uaddr & PAGE_MASK) >> PAGE_SHIFT; last = ((uaddr + ulen - 1) & PAGE_MASK) >> PAGE_SHIFT; npages = (last - first + 1); + if (npages > INT_MAX) + return ERR_PTR(-EINVAL); locked = sev->pages_locked + npages; lock_limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT; @@ -350,9 +356,6 @@ static struct page **sev_pin_memory(struct kvm *kvm, unsigned long uaddr, return ERR_PTR(-ENOMEM); } - if (WARN_ON_ONCE(npages > INT_MAX)) - return ERR_PTR(-EINVAL); - /* Avoid using vmalloc for smaller buffers. */ size = npages * sizeof(struct page *); if (size > PAGE_SIZE) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index f82c4653800de4..dcf774db73a970 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6489,7 +6489,13 @@ static int emulator_read_write_onepage(unsigned long addr, void *val, WARN_ON(vcpu->mmio_nr_fragments >= KVM_MAX_MMIO_FRAGMENTS); frag = &vcpu->mmio_fragments[vcpu->mmio_nr_fragments++]; frag->gpa = gpa; - frag->data = val; + if (write && bytes <= 8u) { + frag->val = 0; + frag->data = &frag->val; + memcpy(&frag->val, val, bytes); + } else { + frag->data = val; + } frag->len = bytes; return X86EMUL_CONTINUE; } @@ -6504,6 +6510,9 @@ static int emulator_read_write(struct x86_emulate_ctxt *ctxt, gpa_t gpa; int rc; + if (WARN_ON_ONCE((bytes > 8u || !ops->write) && object_is_on_stack(val))) + return X86EMUL_UNHANDLEABLE; + if (ops->read_write_prepare && ops->read_write_prepare(vcpu, val, bytes)) return X86EMUL_CONTINUE; @@ -9554,6 +9563,9 @@ static int complete_emulated_mmio(struct kvm_vcpu *vcpu) frag++; vcpu->mmio_cur_fragment++; } else { + if (WARN_ON_ONCE(frag->data == &frag->val)) + return -EIO; + /* Go forward to the next mmio piece. */ frag->data += len; frag->gpa += len; diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index dbd18b75ec9155..7ffdc3360a6c2e 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -464,8 +464,12 @@ static int blkcg_reset_stats(struct cgroup_subsys_state *css, struct blkg_iostat_set *bis = per_cpu_ptr(blkg->iostat_cpu, cpu); memset(bis, 0, sizeof(*bis)); + + /* Re-initialize the cleared blkg_iostat_set */ + u64_stats_init(&bis->sync); } memset(&blkg->iostat, 0, sizeof(blkg->iostat)); + u64_stats_init(&blkg->iostat.sync); for (i = 0; i < BLKCG_MAX_POLS; i++) { struct blkcg_policy *pol = blkcg_policy[i]; diff --git a/block/blk-mq.c b/block/blk-mq.c index a7200974606769..b5f3e2d0456010 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -3689,14 +3689,14 @@ static bool blk_mq_elv_switch_none(struct list_head *head, mutex_lock(&q->sysfs_lock); /* - * After elevator_switch_mq, the previous elevator_queue will be + * After elevator_switch, the previous elevator_queue will be * released by elevator_release. The reference of the io scheduler * module get by elevator_get will also be put. So we need to get * a reference of the io scheduler module here to prevent it to be * removed. */ __module_get(qe->type->elevator_owner); - elevator_switch_mq(q, NULL); + elevator_switch(q, NULL); mutex_unlock(&q->sysfs_lock); return true; @@ -3721,7 +3721,7 @@ static void blk_mq_elv_switch_back(struct list_head *head, kfree(qe); mutex_lock(&q->sysfs_lock); - elevator_switch_mq(q, t); + elevator_switch(q, t); mutex_unlock(&q->sysfs_lock); } diff --git a/block/blk.h b/block/blk.h index 997941cd999f6d..c3e704e00a9df0 100644 --- a/block/blk.h +++ b/block/blk.h @@ -202,8 +202,7 @@ void blk_account_io_done(struct request *req, u64 now); void blk_insert_flush(struct request *rq); void elevator_init_mq(struct request_queue *q); -int elevator_switch_mq(struct request_queue *q, - struct elevator_type *new_e); +int elevator_switch(struct request_queue *q, struct elevator_type *new_e); void __elevator_exit(struct request_queue *, struct elevator_queue *); int elv_register_queue(struct request_queue *q, bool uevent); void elv_unregister_queue(struct request_queue *q); diff --git a/block/elevator.c b/block/elevator.c index 2f962662c32a17..fc4ae13cb33f86 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -572,7 +572,7 @@ void elv_unregister(struct elevator_type *e) } EXPORT_SYMBOL_GPL(elv_unregister); -int elevator_switch_mq(struct request_queue *q, +static int elevator_switch_mq(struct request_queue *q, struct elevator_type *new_e) { int ret; @@ -701,7 +701,7 @@ void elevator_init_mq(struct request_queue *q) * need for the new one. this way we have a chance of going back to the old * one, if the new one fails init for some reason. */ -static int elevator_switch(struct request_queue *q, struct elevator_type *new_e) +int elevator_switch(struct request_queue *q, struct elevator_type *new_e) { int err; diff --git a/crypto/af_alg.c b/crypto/af_alg.c index a6e8ce25ff10ca..4983dd68578e24 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -478,6 +478,8 @@ static int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con) if (cmsg->cmsg_len < CMSG_LEN(sizeof(u32))) return -EINVAL; con->aead_assoclen = *(u32 *)CMSG_DATA(cmsg); + if (con->aead_assoclen >= 0x80000000u) + return -EINVAL; break; default: diff --git a/crypto/authencesn.c b/crypto/authencesn.c index 2154d4ab5c9522..cbffb35552190b 100644 --- a/crypto/authencesn.c +++ b/crypto/authencesn.c @@ -400,6 +400,11 @@ static int crypto_authenc_esn_create(struct crypto_template *tmpl, auth = crypto_spawn_ahash_alg(&ctx->auth); auth_base = &auth->base; + if (auth->digestsize > 0 && auth->digestsize < 4) { + err = -EINVAL; + goto err_free_inst; + } + err = crypto_grab_skcipher(&ctx->enc, aead_crypto_instance(inst), crypto_attr_alg_name(tb[2]), 0, mask); if (err) diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c index 2d7f98709e97c7..d545549e7a1a93 100644 --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -69,6 +69,9 @@ static void pcrypt_aead_done(struct crypto_async_request *areq, int err) struct pcrypt_request *preq = aead_request_ctx(req); struct padata_priv *padata = pcrypt_request_padata(preq); + if (err == -EINPROGRESS) + return; + padata->info = err; padata_do_serial(padata); @@ -82,7 +85,7 @@ static void pcrypt_aead_enc(struct padata_priv *padata) ret = crypto_aead_encrypt(req); - if (ret == -EINPROGRESS) + if (ret == -EINPROGRESS || ret == -EBUSY) return; padata->info = ret; @@ -133,7 +136,7 @@ static void pcrypt_aead_dec(struct padata_priv *padata) ret = crypto_aead_decrypt(req); - if (ret == -EINPROGRESS) + if (ret == -EINPROGRESS || ret == -EBUSY) return; padata->info = ret; diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 0ecc47e273140a..5cf5d858b41a3d 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -154,6 +154,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "VPCEH3U1E"), }, }, + { + .callback = video_detect_force_native, + /* HP OMEN Gaming Laptop 16-n0xxx */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "HP"), + DMI_MATCH(DMI_PRODUCT_NAME, "OMEN by HP Gaming Laptop 16-n0xxx"), + }, + }, /* * These models have a working acpi_video backlight control, and using diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 2bb9555663e75d..b3661495906f28 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -61,6 +61,7 @@ enum board_ids { /* board IDs for specific chipsets in alphabetical order */ board_ahci_al, board_ahci_avn, + board_ahci_jmb585, board_ahci_mcp65, board_ahci_mcp77, board_ahci_mcp89, @@ -200,6 +201,15 @@ static const struct ata_port_info ahci_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &ahci_avn_ops, }, + /* JMicron JMB582/585: 64-bit DMA is broken, force 32-bit */ + [board_ahci_jmb585] = { + AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR | + AHCI_HFLAG_32BIT_ONLY), + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, [board_ahci_mcp65] = { AHCI_HFLAGS (AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ), @@ -436,6 +446,10 @@ static const struct pci_device_id ahci_pci_tbl[] = { /* Elkhart Lake IDs 0x4b60 & 0x4b62 https://sata-io.org/product/8803 not tested yet */ { PCI_VDEVICE(INTEL, 0x4b63), board_ahci_low_power }, /* Elkhart Lake AHCI */ + /* JMicron JMB582/585: force 32-bit DMA (broken 64-bit implementation) */ + { PCI_VDEVICE(JMICRON, 0x0582), board_ahci_jmb585 }, + { PCI_VDEVICE(JMICRON, 0x0585), board_ahci_jmb585 }, + /* JMicron 360/1/3/5/6, match class to avoid IDE function */ { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr }, diff --git a/drivers/base/core.c b/drivers/base/core.c index e162c0c497873e..a900bde641491b 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -3008,6 +3008,21 @@ int device_add(struct device *dev) fw_devlink_link_device(dev); } + /* + * The moment the device was linked into the bus's "klist_devices" in + * bus_add_device() then it's possible that probe could have been + * attempted in a different thread via userspace loading a driver + * matching the device. "ready_to_probe" being unset would have + * blocked those attempts. Now that all of the above initialization has + * happened, unblock probe. If probe happens through another thread + * after this point but before bus_probe_device() runs then it's fine. + * bus_probe_device() -> device_initial_probe() -> __device_attach() + * will notice (under device_lock) that the device is already bound. + */ + device_lock(dev); + dev_set_ready_to_probe(dev); + device_unlock(dev); + bus_probe_device(dev); if (parent) klist_add_tail(&dev->p->knode_parent, @@ -3195,6 +3210,17 @@ void device_del(struct device *dev) device_remove_properties(dev); device_links_purge(dev); + /* + * If a device does not have a driver attached, we need to clean + * up any managed resources. We do this in device_release(), but + * it's never called (and we leak the device) if a managed + * resource holds a reference to the device. So release all + * managed resources here, like we do in driver_detach(). We + * still need to do so again in device_release() in case someone + * adds a new resource after this point, though. + */ + devres_release_all(dev); + if (dev->bus) blocking_notifier_call_chain(&dev->bus->p->bus_notifier, BUS_NOTIFY_REMOVED_DEVICE, dev); diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 1e8318acf62186..0398f2c985b386 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -738,6 +738,18 @@ int driver_probe_device(struct device_driver *drv, struct device *dev) if (!device_is_registered(dev)) return -ENODEV; + /* + * In device_add(), the "struct device" gets linked into the subsystem's + * list of devices and broadcast to userspace (via uevent) before we're + * quite ready to probe. Those open pathways to driver probe before + * we've finished enough of device_add() to reliably support probe. + * Detect this and tell other pathways to try again later. device_add() + * itself will also try to probe immediately after setting + * "ready_to_probe". + */ + if (!dev_ready_to_probe(dev)) + return dev_err_probe(dev, -EPROBE_DEFER, "Device not ready to probe\n"); + pr_debug("bus: '%s': %s: matched device %s with driver %s\n", drv->bus->name, __func__, dev_name(dev), drv->name); diff --git a/drivers/base/devres.c b/drivers/base/devres.c index e3a735d0213a8f..4bfc7f670ab0ca 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -911,6 +911,8 @@ void *devm_krealloc(struct device *dev, void *ptr, size_t new_size, gfp_t gfp) if (!new_dr) return NULL; + set_node_dbginfo(&new_dr->node, "devm_krealloc_release", new_size); + /* * The spinlock protects the linked list against concurrent * modifications but not the resource itself. diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 54f77b4a0b494e..71326e6fb61774 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -3424,8 +3424,10 @@ int drbd_adm_dump_devices(struct sk_buff *skb, struct netlink_callback *cb) if (resource_filter) { retcode = ERR_RES_NOT_KNOWN; resource = drbd_find_resource(nla_data(resource_filter)); - if (!resource) + if (!resource) { + rcu_read_lock(); goto put_result; + } cb->args[0] = (long)resource; } } @@ -3674,8 +3676,10 @@ int drbd_adm_dump_peer_devices(struct sk_buff *skb, struct netlink_callback *cb) if (resource_filter) { retcode = ERR_RES_NOT_KNOWN; resource = drbd_find_resource(nla_data(resource_filter)); - if (!resource) + if (!resource) { + rcu_read_lock(); goto put_result; + } } cb->args[0] = (long)resource; } diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 436d82a7f58712..2c9e6e5a4d1820 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -194,7 +194,15 @@ void hci_uart_init_work(struct work_struct *work) err = hci_register_dev(hu->hdev); if (err < 0) { BT_ERR("Can't register HCI device"); + + percpu_down_write(&hu->proto_lock); clear_bit(HCI_UART_PROTO_READY, &hu->flags); + percpu_up_write(&hu->proto_lock); + + /* Safely cancel work after clearing flags */ + cancel_work_sync(&hu->write_work); + + /* Close protocol before freeing hdev */ hu->proto->close(hu); hdev = hu->hdev; hu->hdev = NULL; @@ -263,8 +271,12 @@ static int hci_uart_open(struct hci_dev *hdev) /* Close device */ static int hci_uart_close(struct hci_dev *hdev) { + struct hci_uart *hu = hci_get_drvdata(hdev); + BT_DBG("hdev %p", hdev); + cancel_work_sync(&hu->write_work); + hci_uart_flush(hdev); hdev->flush = NULL; return 0; @@ -525,6 +537,7 @@ static void hci_uart_tty_close(struct tty_struct *tty) { struct hci_uart *hu = tty->disc_data; struct hci_dev *hdev; + bool proto_ready; BT_DBG("tty %p", tty); @@ -534,24 +547,38 @@ static void hci_uart_tty_close(struct tty_struct *tty) if (!hu) return; - hdev = hu->hdev; - if (hdev) - hci_uart_close(hdev); + /* Wait for init_ready to finish to prevent registration races */ + cancel_work_sync(&hu->init_ready); - if (test_bit(HCI_UART_PROTO_READY, &hu->flags)) { + proto_ready = test_bit(HCI_UART_PROTO_READY, &hu->flags); + if (proto_ready) { percpu_down_write(&hu->proto_lock); clear_bit(HCI_UART_PROTO_READY, &hu->flags); percpu_up_write(&hu->proto_lock); + } - cancel_work_sync(&hu->init_ready); - cancel_work_sync(&hu->write_work); + /* + * Unconditionally cancel write_work AFTER clearing PROTO_READY. + * This ensures that concurrent protocol timers cannot requeue + * write_work via hci_uart_tx_wakeup(), permanently preventing + * double-free races and UAFs. + */ + cancel_work_sync(&hu->write_work); + hdev = hu->hdev; + if (hdev) + hci_uart_close(hdev); /* proto->flush is safely skipped */ + + if (proto_ready) { if (hdev) { if (test_bit(HCI_UART_REGISTERED, &hu->flags)) hci_unregister_dev(hdev); - hci_free_dev(hdev); } + /* Close protocol before freeing hdev (intrinsically purges queues) */ hu->proto->close(hu); + + if (hdev) + hci_free_dev(hdev); } clear_bit(HCI_UART_PROTO_SET, &hu->flags); @@ -619,11 +646,12 @@ static void hci_uart_tty_receive(struct tty_struct *tty, const u8 *data, * tty caller */ hu->proto->recv(hu, data, count); - percpu_up_read(&hu->proto_lock); if (hu->hdev) hu->hdev->stat.byte_rx += count; + percpu_up_read(&hu->proto_lock); + tty_unthrottle(tty); } @@ -691,6 +719,13 @@ static int hci_uart_register_dev(struct hci_uart *hu) if (hci_register_dev(hdev) < 0) { BT_ERR("Can't register HCI device"); + percpu_down_write(&hu->proto_lock); + clear_bit(HCI_UART_PROTO_INIT, &hu->flags); + percpu_up_write(&hu->proto_lock); + /* Cancel work after clearing flags */ + cancel_work_sync(&hu->write_work); + + /* Close protocol before freeing hdev */ hu->proto->close(hu); hu->hdev = NULL; hci_free_dev(hdev); diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index 0c271b9e3c5b79..9a04e1083fca1d 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -636,6 +636,16 @@ int register_cdrom(struct gendisk *disk, struct cdrom_device_info *cdi) WARN_ON(!cdo->generic_packet); + /* + * Propagate the drive's write support to the block layer so BLKROGET + * reflects actual write capability. Drivers that use GET CONFIGURATION + * features (CDC_MRW_W, CDC_RAM) must have called + * cdrom_probe_write_features() before register_cdrom() so the mask is + * complete here. + */ + set_disk_ro(disk, !CDROM_CAN(CDC_DVD_RAM | CDC_MRW_W | CDC_RAM | + CDC_CD_RW)); + cd_dbg(CD_REG_UNREG, "drive \"/dev/%s\" registered\n", cdi->name); mutex_lock(&cdrom_mutex); list_add(&cdi->list, &cdrom_list); @@ -747,6 +757,44 @@ static int cdrom_is_random_writable(struct cdrom_device_info *cdi, int *write) return 0; } +/* + * Probe write-related MMC features via GET CONFIGURATION and update + * cdi->mask accordingly. Drivers that populate cdi->mask from the MODE SENSE + * capabilities page (e.g. sr) should call this after those MODE SENSE bits + * have been set but before register_cdrom(), so that the full set of + * write-capability bits is known by the time register_cdrom() decides on the + * initial read-only state of the disk. + */ +void cdrom_probe_write_features(struct cdrom_device_info *cdi) +{ + int mrw, mrw_write, ram_write; + + mrw = 0; + if (!cdrom_is_mrw(cdi, &mrw_write)) + mrw = 1; + + if (CDROM_CAN(CDC_MO_DRIVE)) + ram_write = 1; + else + (void) cdrom_is_random_writable(cdi, &ram_write); + + if (mrw) + cdi->mask &= ~CDC_MRW; + else + cdi->mask |= CDC_MRW; + + if (mrw_write) + cdi->mask &= ~CDC_MRW_W; + else + cdi->mask |= CDC_MRW_W; + + if (ram_write) + cdi->mask &= ~CDC_RAM; + else + cdi->mask |= CDC_RAM; +} +EXPORT_SYMBOL(cdrom_probe_write_features); + static int cdrom_media_erasable(struct cdrom_device_info *cdi) { disc_information di; @@ -899,33 +947,8 @@ static int cdrom_is_dvd_rw(struct cdrom_device_info *cdi) */ static int cdrom_open_write(struct cdrom_device_info *cdi) { - int mrw, mrw_write, ram_write; int ret = 1; - mrw = 0; - if (!cdrom_is_mrw(cdi, &mrw_write)) - mrw = 1; - - if (CDROM_CAN(CDC_MO_DRIVE)) - ram_write = 1; - else - (void) cdrom_is_random_writable(cdi, &ram_write); - - if (mrw) - cdi->mask &= ~CDC_MRW; - else - cdi->mask |= CDC_MRW; - - if (mrw_write) - cdi->mask &= ~CDC_MRW_W; - else - cdi->mask |= CDC_MRW_W; - - if (ram_write) - cdi->mask &= ~CDC_RAM; - else - cdi->mask |= CDC_RAM; - if (CDROM_CAN(CDC_MRW_W)) ret = cdrom_mrw_open_write(cdi); else if (CDROM_CAN(CDC_DVD_RAM)) diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index a5418692a8182a..4be16f80248470 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -161,6 +161,10 @@ struct smi_info { OEM2_DATA_AVAIL) unsigned char msg_flags; + /* When requesting events and messages, don't do it forever. */ + unsigned int num_requests_in_a_row; + bool last_was_flag_fetch; + /* Does the BMC have an event buffer? */ bool has_event_buffer; @@ -392,7 +396,10 @@ static void start_getting_msg_queue(struct smi_info *smi_info) start_new_msg(smi_info, smi_info->curr_msg->data, smi_info->curr_msg->data_size); - smi_info->si_state = SI_GETTING_MESSAGES; + if (smi_info->si_state != SI_GETTING_MESSAGES) { + smi_info->num_requests_in_a_row = 0; + smi_info->si_state = SI_GETTING_MESSAGES; + } } static void start_getting_events(struct smi_info *smi_info) @@ -403,7 +410,10 @@ static void start_getting_events(struct smi_info *smi_info) start_new_msg(smi_info, smi_info->curr_msg->data, smi_info->curr_msg->data_size); - smi_info->si_state = SI_GETTING_EVENTS; + if (smi_info->si_state != SI_GETTING_EVENTS) { + smi_info->num_requests_in_a_row = 0; + smi_info->si_state = SI_GETTING_EVENTS; + } } /* @@ -469,15 +479,19 @@ retry: } else if (smi_info->msg_flags & RECEIVE_MSG_AVAIL) { /* Messages available. */ smi_info->curr_msg = alloc_msg_handle_irq(smi_info); - if (!smi_info->curr_msg) + if (!smi_info->curr_msg) { + smi_info->si_state = SI_NORMAL; return; + } start_getting_msg_queue(smi_info); } else if (smi_info->msg_flags & EVENT_MSG_BUFFER_FULL) { /* Events available. */ smi_info->curr_msg = alloc_msg_handle_irq(smi_info); - if (!smi_info->curr_msg) + if (!smi_info->curr_msg) { + smi_info->si_state = SI_NORMAL; return; + } start_getting_events(smi_info); } else if (smi_info->msg_flags & OEM_DATA_AVAIL && @@ -577,6 +591,7 @@ static void handle_transaction_done(struct smi_info *smi_info) smi_info->si_state = SI_NORMAL; } else { smi_info->msg_flags = msg[3]; + smi_info->last_was_flag_fetch = true; handle_flags(smi_info); } break; @@ -612,7 +627,13 @@ static void handle_transaction_done(struct smi_info *smi_info) */ msg = smi_info->curr_msg; smi_info->curr_msg = NULL; - if (msg->rsp[2] != 0) { + /* + * It appears some BMCs, with no event data, return no + * data in the message and not a 0x80 error as the + * spec says they should. Shut down processing if + * the data is not the right length. + */ + if (msg->rsp[2] != 0 || msg->rsp_size != 19) { /* Error getting event, probably done. */ msg->done(msg); @@ -622,6 +643,11 @@ static void handle_transaction_done(struct smi_info *smi_info) } else { smi_inc_stat(smi_info, events); + smi_info->num_requests_in_a_row++; + if (smi_info->num_requests_in_a_row > 10) + /* Stop if we do this too many times. */ + smi_info->msg_flags &= ~EVENT_MSG_BUFFER_FULL; + /* * Do this before we deliver the message * because delivering the message releases the @@ -660,6 +686,11 @@ static void handle_transaction_done(struct smi_info *smi_info) } else { smi_inc_stat(smi_info, incoming_messages); + smi_info->num_requests_in_a_row++; + if (smi_info->num_requests_in_a_row > 10) + /* Stop if we do this too many times. */ + smi_info->msg_flags &= ~RECEIVE_MSG_AVAIL; + /* * Do this before we deliver the message * because delivering the message releases the @@ -787,6 +818,26 @@ restart: goto restart; } + /* + * If we are currently idle, or if the last thing that was + * done was a flag fetch and there is a message pending, try + * to start the next message. + * + * We do the waiting message check to avoid a stuck flag + * completely wedging the driver. Let a message through + * in between flag operations if that happens. + */ + if (si_sm_result == SI_SM_IDLE || + (si_sm_result == SI_SM_ATTN && smi_info->waiting_msg && + smi_info->last_was_flag_fetch)) { + smi_info->last_was_flag_fetch = false; + smi_inc_stat(smi_info, idles); + + si_sm_result = start_next_msg(smi_info); + if (si_sm_result != SI_SM_IDLE) + goto restart; + } + /* * We prefer handling attn over new messages. But don't do * this if there is not yet an upper layer to handle anything. @@ -820,15 +871,6 @@ restart: } } - /* If we are currently idle, try to start the next message. */ - if (si_sm_result == SI_SM_IDLE) { - smi_inc_stat(smi_info, idles); - - si_sm_result = start_next_msg(smi_info); - if (si_sm_result != SI_SM_IDLE) - goto restart; - } - if ((si_sm_result == SI_SM_IDLE) && (atomic_read(&smi_info->req_events))) { /* diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c index 30f757249c5c09..4cbfe1858ab4f2 100644 --- a/drivers/char/ipmi/ipmi_ssif.c +++ b/drivers/char/ipmi/ipmi_ssif.c @@ -225,6 +225,9 @@ struct ssif_info { bool has_event_buffer; bool supports_alert; + /* When requesting events and messages, don't do it forever. */ + unsigned int num_requests_in_a_row; + /* * Used to tell what we should do with alerts. If we are * waiting on a response, read the data immediately. @@ -419,7 +422,10 @@ static void start_event_fetch(struct ssif_info *ssif_info, unsigned long *flags) } ssif_info->curr_msg = msg; - ssif_info->ssif_state = SSIF_GETTING_EVENTS; + if (ssif_info->ssif_state != SSIF_GETTING_EVENTS) { + ssif_info->num_requests_in_a_row = 0; + ssif_info->ssif_state = SSIF_GETTING_EVENTS; + } ipmi_ssif_unlock_cond(ssif_info, flags); msg->data[0] = (IPMI_NETFN_APP_REQUEST << 2); @@ -442,7 +448,10 @@ static void start_recv_msg_fetch(struct ssif_info *ssif_info, } ssif_info->curr_msg = msg; - ssif_info->ssif_state = SSIF_GETTING_MESSAGES; + if (ssif_info->ssif_state != SSIF_GETTING_MESSAGES) { + ssif_info->num_requests_in_a_row = 0; + ssif_info->ssif_state = SSIF_GETTING_MESSAGES; + } ipmi_ssif_unlock_cond(ssif_info, flags); msg->data[0] = (IPMI_NETFN_APP_REQUEST << 2); @@ -513,6 +522,16 @@ static int ipmi_ssif_thread(void *data) } } + /* + * The thread can break out of the loop if stopping is set, + * and this can be before kthread_stop() gets called and thus + * kthread_should_stop() will not be set. This can cause + * spinning calling this function and other bad things. So + * wait for kthread_should_stop() to be set. + */ + while (!kthread_should_stop()) + msleep_interruptible(1); + return 0; } @@ -851,6 +870,11 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, ssif_info->msg_flags &= ~EVENT_MSG_BUFFER_FULL; handle_flags(ssif_info, flags); } else { + ssif_info->num_requests_in_a_row++; + if (ssif_info->num_requests_in_a_row > 10) + /* Stop if we do this too many times. */ + ssif_info->msg_flags &= ~EVENT_MSG_BUFFER_FULL; + handle_flags(ssif_info, flags); ssif_inc_stat(ssif_info, events); deliver_recv_msg(ssif_info, msg); @@ -884,6 +908,11 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result, ssif_info->msg_flags &= ~RECEIVE_MSG_AVAIL; handle_flags(ssif_info, flags); } else { + ssif_info->num_requests_in_a_row++; + if (ssif_info->num_requests_in_a_row > 10) + /* Stop if we do this too many times. */ + ssif_info->msg_flags &= ~RECEIVE_MSG_AVAIL; + ssif_inc_stat(ssif_info, incoming_messages); handle_flags(ssif_info, flags); deliver_recv_msg(ssif_info, msg); @@ -1282,6 +1311,7 @@ static void shutdown_ssif(void *send_info) if (ssif_info->thread) { complete(&ssif_info->wake_thread); kthread_stop(ssif_info->thread); + ssif_info->thread = NULL; } } @@ -1664,6 +1694,7 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id) int len; int i; u8 slave_addr = 0; + unsigned int thread_num; struct ssif_addr_info *addr_info = NULL; mutex_lock(&ssif_infos_mutex); @@ -1872,22 +1903,18 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id) ssif_info->handlers.request_events = request_events; ssif_info->handlers.set_need_watch = ssif_set_need_watch; - { - unsigned int thread_num; - - thread_num = ((i2c_adapter_id(ssif_info->client->adapter) - << 8) | - ssif_info->client->addr); - init_completion(&ssif_info->wake_thread); - ssif_info->thread = kthread_run(ipmi_ssif_thread, ssif_info, - "kssif%4.4x", thread_num); - if (IS_ERR(ssif_info->thread)) { - rv = PTR_ERR(ssif_info->thread); - dev_notice(&ssif_info->client->dev, - "Could not start kernel thread: error %d\n", - rv); - goto out; - } + thread_num = ((i2c_adapter_id(ssif_info->client->adapter) << 8) | + ssif_info->client->addr); + init_completion(&ssif_info->wake_thread); + ssif_info->thread = kthread_run(ipmi_ssif_thread, ssif_info, + "kssif%4.4x", thread_num); + if (IS_ERR(ssif_info->thread)) { + rv = PTR_ERR(ssif_info->thread); + ssif_info->thread = NULL; + dev_notice(&ssif_info->client->dev, + "Could not start kernel thread: error %d\n", + rv); + goto out; } dev_set_drvdata(&ssif_info->client->dev, ssif_info); @@ -1912,6 +1939,17 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id) out: if (rv) { + /* + * If ipmi_register_smi() starts the interface, it will + * call shutdown and that will free the thread and set + * it to NULL. Otherwise it must be freed here. + */ + if (ssif_info->thread) { + ssif_info->stopping = true; + complete(&ssif_info->wake_thread); + kthread_stop(ssif_info->thread); + ssif_info->thread = NULL; + } if (addr_info) addr_info->client = NULL; diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index c8c68301543b21..16e486337ecbcd 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -410,6 +410,8 @@ static int tpm_tis_send_data(struct tpm_chip *chip, const u8 *buf, size_t len) status = tpm_tis_status(chip); if (!itpm && (status & TPM_STS_DATA_EXPECT) == 0) { rc = -EIO; + dev_err(&chip->dev, "TPM_STS_DATA_EXPECT should be set. sts = 0x%08x\n", + status); goto out_err; } } @@ -427,6 +429,8 @@ static int tpm_tis_send_data(struct tpm_chip *chip, const u8 *buf, size_t len) status = tpm_tis_status(chip); if (!itpm && (status & TPM_STS_DATA_EXPECT) != 0) { rc = -EIO; + dev_err(&chip->dev, "TPM_STS_DATA_EXPECT should be unset. sts = 0x%08x\n", + status); goto out_err; } diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c index 585b9ac1188180..6775e128592d4d 100644 --- a/drivers/clk/clk-qoriq.c +++ b/drivers/clk/clk-qoriq.c @@ -880,13 +880,11 @@ static const struct clockgen_pll_div *get_pll_div(struct clockgen *cg, return &cg->pll[pll].div[div]; } -static struct clk * __init create_mux_common(struct clockgen *cg, - struct mux_hwclock *hwc, - const struct clk_ops *ops, - unsigned long min_rate, - unsigned long max_rate, - unsigned long pct80_rate, - const char *fmt, int idx) +static struct clk * __init __printf(7, 8) +create_mux_common(struct clockgen *cg, struct mux_hwclock *hwc, + const struct clk_ops *ops, unsigned long min_rate, + unsigned long max_rate, unsigned long pct80_rate, + const char *fmt, ...) { struct clk_init_data init = {}; struct clk *clk; @@ -894,8 +892,11 @@ static struct clk * __init create_mux_common(struct clockgen *cg, const char *parent_names[NUM_MUX_PARENTS]; char name[32]; int i, j; + va_list args; - snprintf(name, sizeof(name), fmt, idx); + va_start(args, fmt); + vsnprintf(name, sizeof(name), fmt, args); + va_end(args); for (i = 0, j = 0; i < NUM_MUX_PARENTS; i++) { unsigned long rate; diff --git a/drivers/clk/clk-xgene.c b/drivers/clk/clk-xgene.c index 3fd53057c01fe2..fca5ce22611ca9 100644 --- a/drivers/clk/clk-xgene.c +++ b/drivers/clk/clk-xgene.c @@ -187,6 +187,8 @@ static void xgene_pllclk_init(struct device_node *np, enum xgene_pll_type pll_ty of_clk_add_provider(np, of_clk_src_simple_get, clk); clk_register_clkdev(clk, clk_name, NULL); pr_debug("Add %s clock PLL\n", clk_name); + } else { + iounmap(reg); } } diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c index 7d07dd92a7b445..89400f4312252a 100644 --- a/drivers/clk/imx/clk-imx6q.c +++ b/drivers/clk/imx/clk-imx6q.c @@ -183,9 +183,11 @@ static void of_assigned_ldb_sels(struct device_node *node, } if (clkspec.np != node || clkspec.args[0] >= IMX6QDL_CLK_END) { pr_err("ccm: parent clock %d not in ccm\n", index); + of_node_put(clkspec.np); return; } parent = clkspec.args[0]; + of_node_put(clkspec.np); rc = of_parse_phandle_with_args(node, "assigned-clocks", "#clock-cells", index, &clkspec); @@ -193,9 +195,11 @@ static void of_assigned_ldb_sels(struct device_node *node, return; if (clkspec.np != node || clkspec.args[0] >= IMX6QDL_CLK_END) { pr_err("ccm: child clock %d not in ccm\n", index); + of_node_put(clkspec.np); return; } child = clkspec.args[0]; + of_node_put(clkspec.np); if (child != IMX6QDL_CLK_LDB_DI0_SEL && child != IMX6QDL_CLK_LDB_DI1_SEL) @@ -233,8 +237,11 @@ static bool pll6_bypassed(struct device_node *node) return false; if (clkspec.np == node && - clkspec.args[0] == IMX6QDL_PLL6_BYPASS) + clkspec.args[0] == IMX6QDL_PLL6_BYPASS) { + of_node_put(clkspec.np); break; + } + of_node_put(clkspec.np); } /* PLL6 bypass is not part of the assigned clock list */ @@ -244,6 +251,9 @@ static bool pll6_bypassed(struct device_node *node) ret = of_parse_phandle_with_args(node, "assigned-clock-parents", "#clock-cells", index, &clkspec); + if (!ret) + of_node_put(clkspec.np); + if (clkspec.args[0] != IMX6QDL_CLK_PLL6) return true; diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c index 89313dd7a57f6c..0ae1c24eecfcfd 100644 --- a/drivers/clk/imx/clk-imx8mq.c +++ b/drivers/clk/imx/clk-imx8mq.c @@ -237,7 +237,7 @@ static const char * const imx8mq_dsi_esc_sels[] = {"osc_25m", "sys2_pll_100m", " static const char * const imx8mq_csi1_core_sels[] = {"osc_25m", "sys1_pll_266m", "sys2_pll_250m", "sys1_pll_800m", "sys2_pll_1000m", "sys3_pll_out", "audio_pll2_out", "video_pll1_out", }; -static const char * const imx8mq_csi1_phy_sels[] = {"osc_25m", "sys2_pll_125m", "sys2_pll_100m", "sys1_pll_800m", +static const char * const imx8mq_csi1_phy_sels[] = {"osc_25m", "sys2_pll_333m", "sys2_pll_100m", "sys1_pll_800m", "sys2_pll_1000m", "clk_ext2", "audio_pll2_out", "video_pll1_out", }; static const char * const imx8mq_csi1_esc_sels[] = {"osc_25m", "sys2_pll_100m", "sys1_pll_80m", "sys1_pll_800m", @@ -246,7 +246,7 @@ static const char * const imx8mq_csi1_esc_sels[] = {"osc_25m", "sys2_pll_100m", static const char * const imx8mq_csi2_core_sels[] = {"osc_25m", "sys1_pll_266m", "sys2_pll_250m", "sys1_pll_800m", "sys2_pll_1000m", "sys3_pll_out", "audio_pll2_out", "video_pll1_out", }; -static const char * const imx8mq_csi2_phy_sels[] = {"osc_25m", "sys2_pll_125m", "sys2_pll_100m", "sys1_pll_800m", +static const char * const imx8mq_csi2_phy_sels[] = {"osc_25m", "sys2_pll_333m", "sys2_pll_100m", "sys1_pll_800m", "sys2_pll_1000m", "clk_ext2", "audio_pll2_out", "video_pll1_out", }; static const char * const imx8mq_csi2_esc_sels[] = {"osc_25m", "sys2_pll_100m", "sys1_pll_80m", "sys1_pll_800m", diff --git a/drivers/clk/qcom/dispcc-sc7180.c b/drivers/clk/qcom/dispcc-sc7180.c index f487515701e36f..11bbf1dd838807 100644 --- a/drivers/clk/qcom/dispcc-sc7180.c +++ b/drivers/clk/qcom/dispcc-sc7180.c @@ -16,6 +16,7 @@ #include "clk-regmap-divider.h" #include "common.h" #include "gdsc.h" +#include "reset.h" enum { P_BI_TCXO, @@ -634,6 +635,11 @@ static struct gdsc mdss_gdsc = { .flags = HW_CTRL, }; +static const struct qcom_reset_map disp_cc_sc7180_resets[] = { + [DISP_CC_MDSS_CORE_BCR] = { 0x2000 }, + [DISP_CC_MDSS_RSCC_BCR] = { 0x4000 }, +}; + static struct gdsc *disp_cc_sc7180_gdscs[] = { [MDSS_GDSC] = &mdss_gdsc, }; @@ -685,6 +691,8 @@ static const struct qcom_cc_desc disp_cc_sc7180_desc = { .config = &disp_cc_sc7180_regmap_config, .clks = disp_cc_sc7180_clocks, .num_clks = ARRAY_SIZE(disp_cc_sc7180_clocks), + .resets = disp_cc_sc7180_resets, + .num_resets = ARRAY_SIZE(disp_cc_sc7180_resets), .gdscs = disp_cc_sc7180_gdscs, .num_gdscs = ARRAY_SIZE(disp_cc_sc7180_gdscs), }; diff --git a/drivers/clk/qcom/dispcc-sm8250.c b/drivers/clk/qcom/dispcc-sm8250.c index bbdd27946bf1f1..7ef1d9559f487a 100644 --- a/drivers/clk/qcom/dispcc-sm8250.c +++ b/drivers/clk/qcom/dispcc-sm8250.c @@ -392,7 +392,7 @@ static struct clk_rcg2 disp_cc_mdss_pclk0_clk_src = { .name = "disp_cc_mdss_pclk0_clk_src", .parent_data = disp_cc_parent_data_6, .num_parents = ARRAY_SIZE(disp_cc_parent_data_6), - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, .ops = &clk_pixel_ops, }, }; @@ -406,7 +406,7 @@ static struct clk_rcg2 disp_cc_mdss_pclk1_clk_src = { .name = "disp_cc_mdss_pclk1_clk_src", .parent_data = disp_cc_parent_data_6, .num_parents = ARRAY_SIZE(disp_cc_parent_data_6), - .flags = CLK_SET_RATE_PARENT, + .flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE, .ops = &clk_pixel_ops, }, }; @@ -446,7 +446,7 @@ static struct clk_rcg2 disp_cc_mdss_vsync_clk_src = { .parent_data = disp_cc_parent_data_1, .num_parents = ARRAY_SIZE(disp_cc_parent_data_1), .flags = CLK_SET_RATE_PARENT, - .ops = &clk_rcg2_ops, + .ops = &clk_rcg2_shared_ops, }, }; diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c index c32c600b3cf87c..2da48f96f36c25 100644 --- a/drivers/cpuidle/cpuidle-powernv.c +++ b/drivers/cpuidle/cpuidle-powernv.c @@ -93,7 +93,10 @@ static int snooze_loop(struct cpuidle_device *dev, HMT_medium(); ppc64_runlatch_on(); - clear_thread_flag(TIF_POLLING_NRFLAG); + + /* Avoid double clear when breaking */ + if (!dev->poll_time_limit) + clear_thread_flag(TIF_POLLING_NRFLAG); local_irq_disable(); diff --git a/drivers/cpuidle/cpuidle-pseries.c b/drivers/cpuidle/cpuidle-pseries.c index f4cf3ade03db8f..f880ff00ccaf38 100644 --- a/drivers/cpuidle/cpuidle-pseries.c +++ b/drivers/cpuidle/cpuidle-pseries.c @@ -61,7 +61,10 @@ static int snooze_loop(struct cpuidle_device *dev, } HMT_medium(); - clear_thread_flag(TIF_POLLING_NRFLAG); + + /* Avoid double clear when breaking */ + if (!dev->poll_time_limit) + clear_thread_flag(TIF_POLLING_NRFLAG); local_irq_disable(); diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c index b1d2860042958b..059c7db591fac5 100644 --- a/drivers/crypto/atmel-aes.c +++ b/drivers/crypto/atmel-aes.c @@ -2265,7 +2265,7 @@ static int atmel_aes_buff_init(struct atmel_aes_dev *dd) static void atmel_aes_buff_cleanup(struct atmel_aes_dev *dd) { - free_page((unsigned long)dd->buf); + free_pages((unsigned long)dd->buf, ATMEL_AES_BUFFER_ORDER); } static int atmel_aes_dma_init(struct atmel_aes_dev *dd) diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c index 9bd8e5167be34b..4162dfb31dcabf 100644 --- a/drivers/crypto/atmel-ecc.c +++ b/drivers/crypto/atmel-ecc.c @@ -273,6 +273,7 @@ static int atmel_ecdh_init_tfm(struct crypto_kpp *tfm) if (IS_ERR(fallback)) { dev_err(&ctx->client->dev, "Failed to allocate transformation for '%s': %ld\n", alg, PTR_ERR(fallback)); + atmel_ecc_i2c_client_free(ctx->client); return PTR_ERR(fallback); } diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c index 93b11288f8c245..6745562aebda05 100644 --- a/drivers/crypto/atmel-tdes.c +++ b/drivers/crypto/atmel-tdes.c @@ -312,8 +312,8 @@ static int atmel_tdes_crypt_pdc_stop(struct atmel_tdes_dev *dd) dma_unmap_sg(dd->dev, dd->out_sg, 1, DMA_FROM_DEVICE); dma_unmap_sg(dd->dev, dd->in_sg, 1, DMA_TO_DEVICE); } else { - dma_sync_single_for_device(dd->dev, dd->dma_addr_out, - dd->dma_size, DMA_FROM_DEVICE); + dma_sync_single_for_cpu(dd->dev, dd->dma_addr_out, + dd->dma_size, DMA_FROM_DEVICE); /* copy data */ count = atmel_tdes_sg_copy(&dd->out_sg, &dd->out_offset, @@ -671,8 +671,8 @@ static int atmel_tdes_crypt_dma_stop(struct atmel_tdes_dev *dd) dma_unmap_sg(dd->dev, dd->out_sg, 1, DMA_FROM_DEVICE); dma_unmap_sg(dd->dev, dd->in_sg, 1, DMA_TO_DEVICE); } else { - dma_sync_single_for_device(dd->dev, dd->dma_addr_out, - dd->dma_size, DMA_FROM_DEVICE); + dma_sync_single_for_cpu(dd->dev, dd->dma_addr_out, + dd->dma_size, DMA_FROM_DEVICE); /* copy data */ count = atmel_tdes_sg_copy(&dd->out_sg, &dd->out_offset, diff --git a/drivers/crypto/ccp/ccp-crypto-aes.c b/drivers/crypto/ccp/ccp-crypto-aes.c index e6dcd8cedd53e5..b03ed5e83c3e97 100644 --- a/drivers/crypto/ccp/ccp-crypto-aes.c +++ b/drivers/crypto/ccp/ccp-crypto-aes.c @@ -28,8 +28,11 @@ static int ccp_aes_complete(struct crypto_async_request *async_req, int ret) if (ret) return ret; - if (ctx->u.aes.mode != CCP_AES_MODE_ECB) - memcpy(req->iv, rctx->iv, AES_BLOCK_SIZE); + if (ctx->u.aes.mode != CCP_AES_MODE_ECB) { + size_t ivsize = crypto_skcipher_ivsize(crypto_skcipher_reqtfm(req)); + + memcpy(req->iv, rctx->iv, ivsize); + } return 0; } diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index b6bba46b330f62..a3427794577add 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -458,7 +458,10 @@ cmd: ret = __sev_do_cmd_locked(SEV_CMD_PEK_CSR, &data, &argp->error); - /* If we query the CSR length, FW responded with expected data. */ + /* + * Firmware will returns the length of the CSR blob (either the minimum + * required length or the actual length written), return it to the user. + */ input.length = data.len; if (copy_to_user((void __user *)argp->data, &input, sizeof(input))) { @@ -466,6 +469,9 @@ cmd: goto e_free_blob; } + if (ret || WARN_ON_ONCE(argp->error)) + goto e_free_blob; + if (blob) { if (copy_to_user(input_address, blob, input.length)) ret = -EFAULT; @@ -697,6 +703,9 @@ static int sev_ioctl_do_get_id2(struct sev_issue_cmd *argp) goto e_free; } + if (ret || WARN_ON_ONCE(argp->error)) + goto e_free; + if (id_blob) { if (copy_to_user(input_address, id_blob, data.len)) { ret = -EFAULT; @@ -811,7 +820,10 @@ static int sev_ioctl_do_pdh_export(struct sev_issue_cmd *argp, bool writable) cmd: ret = __sev_do_cmd_locked(SEV_CMD_PDH_CERT_EXPORT, &data, &argp->error); - /* If we query the length, FW responded with expected data. */ + /* + * Firmware will return the length of the blobs (either the minimum + * required length or the actual length written), return 'em to the user. + */ input.cert_chain_len = data.cert_chain_len; input.pdh_cert_len = data.pdh_cert_len; @@ -820,6 +832,9 @@ cmd: goto e_free_cert; } + if (ret || WARN_ON_ONCE(argp->error)) + goto e_free_cert; + if (pdh_blob) { if (copy_to_user(input_pdh_cert_address, pdh_blob, input.pdh_cert_len)) { diff --git a/drivers/crypto/ccree/cc_hash.c b/drivers/crypto/ccree/cc_hash.c index 683c9a430e11be..84fedcf01bd3fd 100644 --- a/drivers/crypto/ccree/cc_hash.c +++ b/drivers/crypto/ccree/cc_hash.c @@ -1448,6 +1448,7 @@ static int cc_mac_digest(struct ahash_request *req) if (cc_map_hash_request_final(ctx->drvdata, state, req->src, req->nbytes, 1, flags)) { dev_err(dev, "map_ahash_request_final() failed\n"); + cc_unmap_result(dev, state, digestsize, req->result); cc_unmap_req(dev, state, ctx); return -ENOMEM; } diff --git a/drivers/crypto/hisilicon/sec/sec_algs.c b/drivers/crypto/hisilicon/sec/sec_algs.c index 2066f8d40c5aae..f9801891e03006 100644 --- a/drivers/crypto/hisilicon/sec/sec_algs.c +++ b/drivers/crypto/hisilicon/sec/sec_algs.c @@ -844,7 +844,7 @@ err_free_elements: if (crypto_skcipher_ivsize(atfm)) dma_unmap_single(info->dev, sec_req->dma_iv, crypto_skcipher_ivsize(atfm), - DMA_BIDIRECTIONAL); + DMA_TO_DEVICE); err_unmap_out_sg: if (split) sec_unmap_sg_on_err(skreq->dst, steps, splits_out, diff --git a/drivers/crypto/sa2ul.c b/drivers/crypto/sa2ul.c index 0888f4489a7650..6fa1a5b414ee57 100644 --- a/drivers/crypto/sa2ul.c +++ b/drivers/crypto/sa2ul.c @@ -1754,13 +1754,13 @@ static int sa_cra_init_aead(struct crypto_aead *tfm, const char *hash, static int sa_cra_init_aead_sha1(struct crypto_aead *tfm) { return sa_cra_init_aead(tfm, "sha1", - "authenc(hmac(sha1-ce),cbc(aes-ce))"); + "authenc(hmac(sha1),cbc(aes))"); } static int sa_cra_init_aead_sha256(struct crypto_aead *tfm) { return sa_cra_init_aead(tfm, "sha256", - "authenc(hmac(sha256-ce),cbc(aes-ce))"); + "authenc(hmac(sha256),cbc(aes))"); } static void sa_exit_tfm_aead(struct crypto_aead *tfm) diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index dc147cc2436e9e..5d34440b9e1279 100644 --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -827,6 +827,7 @@ static int mxs_dma_probe(struct platform_device *pdev) if (ret) { dev_err(mxs_dma->dma_device.dev, "failed to register controller\n"); + return ret; } dev_info(mxs_dma->dma_device.dev, "initialized\n"); diff --git a/drivers/firmware/efi/capsule-loader.c b/drivers/firmware/efi/capsule-loader.c index 97bafb5f703892..c6a8bdbcae71b9 100644 --- a/drivers/firmware/efi/capsule-loader.c +++ b/drivers/firmware/efi/capsule-loader.c @@ -67,7 +67,7 @@ int __efi_capsule_setup_info(struct capsule_info *cap_info) cap_info->pages = temp_page; temp_page = krealloc(cap_info->phys, - pages_needed * sizeof(phys_addr_t *), + pages_needed * sizeof(phys_addr_t), GFP_KERNEL | __GFP_ZERO); if (!temp_page) return -ENOMEM; diff --git a/drivers/firmware/google/framebuffer-coreboot.c b/drivers/firmware/google/framebuffer-coreboot.c index 922c079d13c8a6..872aad5902ce04 100644 --- a/drivers/firmware/google/framebuffer-coreboot.c +++ b/drivers/firmware/google/framebuffer-coreboot.c @@ -50,7 +50,7 @@ static int framebuffer_probe(struct coreboot_device *dev) return -ENODEV; memset(&res, 0, sizeof(res)); - res.flags = IORESOURCE_MEM | IORESOURCE_BUSY; + res.flags = IORESOURCE_MEM; res.name = "Coreboot Framebuffer"; res.start = fb->physical_address; length = PAGE_ALIGN(fb->y_resolution * fb->bytes_per_line); diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c index 3b0292c244eb26..a4446d7baa3904 100644 --- a/drivers/gpio/gpiolib-cdev.c +++ b/drivers/gpio/gpiolib-cdev.c @@ -14,13 +14,13 @@ #include #include #include -#include #include #include #include #include #include #include +#include #include #include #include @@ -925,6 +925,7 @@ static int gpio_v2_line_flags_validate(u64 flags) static int gpio_v2_line_config_validate(struct gpio_v2_line_config *lc, unsigned int num_lines) { + size_t unused_attrs; unsigned int i; u64 flags; int ret; @@ -932,9 +933,21 @@ static int gpio_v2_line_config_validate(struct gpio_v2_line_config *lc, if (lc->num_attrs > GPIO_V2_LINE_NUM_ATTRS_MAX) return -EINVAL; - if (memchr_inv(lc->padding, 0, sizeof(lc->padding))) + unused_attrs = GPIO_V2_LINE_NUM_ATTRS_MAX - lc->num_attrs; + + if (!mem_is_zero(lc->padding, sizeof(lc->padding))) return -EINVAL; + for (i = 0; i < lc->num_attrs; i++) { + if (lc->attrs[i].attr.padding != 0) + return -EINVAL; + } + + if (unused_attrs) { + if (!mem_is_zero(&lc->attrs[lc->num_attrs], unused_attrs * sizeof(*lc->attrs))) + return -EINVAL; + } + for (i = 0; i < num_lines; i++) { flags = gpio_v2_line_config_flags(lc, i); ret = gpio_v2_line_flags_validate(flags); @@ -1324,7 +1337,7 @@ static int linereq_create(struct gpio_device *gdev, void __user *ip) if ((ulr.num_lines == 0) || (ulr.num_lines > GPIO_V2_LINES_MAX)) return -EINVAL; - if (memchr_inv(ulr.padding, 0, sizeof(ulr.padding))) + if (!mem_is_zero(ulr.padding, sizeof(ulr.padding))) return -EINVAL; lc = &ulr.config; @@ -2069,7 +2082,7 @@ static int lineinfo_get(struct gpio_chardev_data *cdev, void __user *ip, if (copy_from_user(&lineinfo, ip, sizeof(lineinfo))) return -EFAULT; - if (memchr_inv(lineinfo.padding, 0, sizeof(lineinfo.padding))) + if (!mem_is_zero(lineinfo.padding, sizeof(lineinfo.padding))) return -EINVAL; desc = gpiochip_get_desc(cdev->gdev->chip, lineinfo.offset); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 02fdee7820a927..0faa5ad26d6119 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -71,6 +71,9 @@ static int amdgpu_ttm_init_on_chip(struct amdgpu_device *adev, unsigned int type, uint64_t size_in_page) { + if (!size_in_page) + return 0; + return ttm_range_man_init(&adev->mman.bdev, type, false, size_in_page); } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c index d447b2416b98b6..5e23c717279d68 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c @@ -1568,6 +1568,71 @@ static void gfx_v6_0_setup_spi(struct amdgpu_device *adev) mutex_unlock(&adev->grbm_idx_mutex); } +/** + * gfx_v6_0_setup_tcc() - setup which TCCs are used + * + * @adev: amdgpu_device pointer + * + * Verify whether the current GPU has any TCCs disabled, + * which can happen when the GPU is harvested and some + * memory channels are disabled, reducing the memory bus width. + * For example, on the Radeon HD 7870 XT (Tahiti LE). + * + * If some TCCs are disabled, we need to make sure that + * the disabled TCCs are not used, and the remaining TCCs + * are used optimally. + * + * TCP_CHAN_STEER_LO/HI control which TCC is used by TCP channels. + * TCP_ADDR_CONFIG.NUM_TCC_BANKS controls how many channels are used. + * + * For optimal performance: + * - Rely on the CHAN_STEER from the golden registers table, + * only skip disabled TCCs but keep the mapping order. + * - Limit NUM_TCC_BANKS to number of active TCCs to avoid thrashing, + * which performs better than using the same TCC twice. + */ +static void gfx_v6_0_setup_tcc(struct amdgpu_device *adev) +{ + u32 i, tcc, tcp_addr_config, num_active_tcc = 0; + u64 chan_steer, patched_chan_steer = 0; + const u32 num_max_tcc = adev->gfx.config.max_texture_channel_caches; + const u32 dis_tcc_mask = + amdgpu_gfx_create_bitmask(num_max_tcc) & + (REG_GET_FIELD(RREG32(mmCGTS_TCC_DISABLE), + CGTS_TCC_DISABLE, TCC_DISABLE) | + REG_GET_FIELD(RREG32(mmCGTS_USER_TCC_DISABLE), + CGTS_USER_TCC_DISABLE, TCC_DISABLE)); + + /* When no TCC is disabled, the golden registers table already has optimal TCC setup */ + if (!dis_tcc_mask) + return; + + /* Each 4-bit nibble contains the index of a TCC used by all TCPs */ + chan_steer = RREG32(mmTCP_CHAN_STEER_LO) | ((u64)RREG32(mmTCP_CHAN_STEER_HI) << 32ull); + + /* Patch the TCP to TCC mapping to skip disabled TCCs */ + for (i = 0; i < num_max_tcc; ++i) { + tcc = (chan_steer >> (u64)(4 * i)) & 0xf; + + if (!((1 << tcc) & dis_tcc_mask)) { + /* Copy enabled TCC indices to the patched register value. */ + patched_chan_steer |= (u64)tcc << (u64)(4 * num_active_tcc); + ++num_active_tcc; + } + } + + WARN_ON(num_active_tcc != num_max_tcc - hweight32(dis_tcc_mask)); + + /* Patch number of TCCs used by TCPs */ + tcp_addr_config = REG_SET_FIELD(RREG32(mmTCP_ADDR_CONFIG), + TCP_ADDR_CONFIG, NUM_TCC_BANKS, + num_active_tcc - 1); + + WREG32(mmTCP_ADDR_CONFIG, tcp_addr_config); + WREG32(mmTCP_CHAN_STEER_HI, upper_32_bits(patched_chan_steer)); + WREG32(mmTCP_CHAN_STEER_LO, lower_32_bits(patched_chan_steer)); +} + static void gfx_v6_0_config_init(struct amdgpu_device *adev) { adev->gfx.config.double_offchip_lds_buf = 0; @@ -1726,6 +1791,7 @@ static void gfx_v6_0_constants_init(struct amdgpu_device *adev) gfx_v6_0_tiling_mode_table_init(adev); gfx_v6_0_setup_rb(adev); + gfx_v6_0_setup_tcc(adev); gfx_v6_0_setup_spi(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 5bd1fcd02396d2..86bba36938b899 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -5433,9 +5433,6 @@ static void gfx_v9_0_ring_emit_fence_kiq(struct amdgpu_ring *ring, u64 addr, { struct amdgpu_device *adev = ring->adev; - /* we only allocate 32bit for each seq wb address */ - BUG_ON(flags & AMDGPU_FENCE_FLAG_64BIT); - /* write fence seq to the "addr" */ amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3)); amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) | diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 1bc3167d3a1c38..ddd105f7351704 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -925,7 +925,7 @@ static void sdma_v4_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 se /* write the fence */ amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); /* zero in first two bits */ - BUG_ON(addr & 0x3); + WARN_ON(addr & 0x3); amdgpu_ring_write(ring, lower_32_bits(addr)); amdgpu_ring_write(ring, upper_32_bits(addr)); amdgpu_ring_write(ring, lower_32_bits(seq)); @@ -935,7 +935,7 @@ static void sdma_v4_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 se addr += 4; amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE)); /* zero in first two bits */ - BUG_ON(addr & 0x3); + WARN_ON(addr & 0x3); amdgpu_ring_write(ring, lower_32_bits(addr)); amdgpu_ring_write(ring, upper_32_bits(addr)); amdgpu_ring_write(ring, upper_32_bits(seq)); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index c22783b8820672..bd15de4dee75ef 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1778,7 +1778,8 @@ static int dm_suspend(void *handle) mutex_lock(&dm->dc_lock); dm->cached_dc_state = dc_copy_state(dm->dc->current_state); - dm_gpureset_toggle_interrupts(adev, dm->cached_dc_state, false); + if (dm->cached_dc_state) + dm_gpureset_toggle_interrupts(adev, dm->cached_dc_state, false); amdgpu_dm_commit_zero_streams(dm->dc); @@ -5396,7 +5397,8 @@ static void create_eml_sink(struct amdgpu_dm_connector *aconnector) aconnector->dc_sink = aconnector->dc_link->local_sink ? aconnector->dc_link->local_sink : aconnector->dc_em_sink; - dc_sink_retain(aconnector->dc_sink); + if (aconnector->dc_sink) + dc_sink_retain(aconnector->dc_sink); } } @@ -6575,7 +6577,8 @@ static int amdgpu_dm_connector_get_modes(struct drm_connector *connector) drm_add_modes_noedid(connector, 640, 480); } else { amdgpu_dm_connector_ddc_get_modes(connector, edid); - amdgpu_dm_connector_add_common_modes(encoder, connector); + if (encoder) + amdgpu_dm_connector_add_common_modes(encoder, connector); } amdgpu_dm_fbc_init(connector); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index 6914738f0275ab..f4a1ad8959b7df 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -229,8 +229,10 @@ static ssize_t dp_link_settings_read(struct file *f, char __user *buf, break; r = put_user(*(rd_buf + result), buf); - if (r) + if (r) { + kfree(rd_buf); return r; /* r = -EFAULT */ + } buf += 1; size -= 1; @@ -388,8 +390,10 @@ static ssize_t dp_phy_settings_read(struct file *f, char __user *buf, break; r = put_user((*(rd_buf + result)), buf); - if (r) + if (r) { + kfree(rd_buf); return r; /* r = -EFAULT */ + } buf += 1; size -= 1; @@ -1195,8 +1199,10 @@ static ssize_t dp_dsc_clock_en_read(struct file *f, char __user *buf, break; } - if (!pipe_ctx) + if (!pipe_ctx) { + kfree(rd_buf); return -ENXIO; + } dsc = pipe_ctx->stream_res.dsc; if (dsc) @@ -1212,8 +1218,10 @@ static ssize_t dp_dsc_clock_en_read(struct file *f, char __user *buf, break; r = put_user(*(rd_buf + result), buf); - if (r) + if (r) { + kfree(rd_buf); return r; /* r = -EFAULT */ + } buf += 1; size -= 1; @@ -1351,8 +1359,10 @@ static ssize_t dp_dsc_slice_width_read(struct file *f, char __user *buf, break; } - if (!pipe_ctx) + if (!pipe_ctx) { + kfree(rd_buf); return -ENXIO; + } dsc = pipe_ctx->stream_res.dsc; if (dsc) @@ -1368,8 +1378,10 @@ static ssize_t dp_dsc_slice_width_read(struct file *f, char __user *buf, break; r = put_user(*(rd_buf + result), buf); - if (r) + if (r) { + kfree(rd_buf); return r; /* r = -EFAULT */ + } buf += 1; size -= 1; @@ -1505,8 +1517,10 @@ static ssize_t dp_dsc_slice_height_read(struct file *f, char __user *buf, break; } - if (!pipe_ctx) + if (!pipe_ctx) { + kfree(rd_buf); return -ENXIO; + } dsc = pipe_ctx->stream_res.dsc; if (dsc) @@ -1522,8 +1536,10 @@ static ssize_t dp_dsc_slice_height_read(struct file *f, char __user *buf, break; r = put_user(*(rd_buf + result), buf); - if (r) + if (r) { + kfree(rd_buf); return r; /* r = -EFAULT */ + } buf += 1; size -= 1; @@ -1655,8 +1671,10 @@ static ssize_t dp_dsc_bits_per_pixel_read(struct file *f, char __user *buf, break; } - if (!pipe_ctx) + if (!pipe_ctx) { + kfree(rd_buf); return -ENXIO; + } dsc = pipe_ctx->stream_res.dsc; if (dsc) @@ -1672,8 +1690,10 @@ static ssize_t dp_dsc_bits_per_pixel_read(struct file *f, char __user *buf, break; r = put_user(*(rd_buf + result), buf); - if (r) + if (r) { + kfree(rd_buf); return r; /* r = -EFAULT */ + } buf += 1; size -= 1; @@ -1800,8 +1820,10 @@ static ssize_t dp_dsc_pic_width_read(struct file *f, char __user *buf, break; } - if (!pipe_ctx) + if (!pipe_ctx) { + kfree(rd_buf); return -ENXIO; + } dsc = pipe_ctx->stream_res.dsc; if (dsc) @@ -1817,8 +1839,10 @@ static ssize_t dp_dsc_pic_width_read(struct file *f, char __user *buf, break; r = put_user(*(rd_buf + result), buf); - if (r) + if (r) { + kfree(rd_buf); return r; /* r = -EFAULT */ + } buf += 1; size -= 1; @@ -1857,8 +1881,10 @@ static ssize_t dp_dsc_pic_height_read(struct file *f, char __user *buf, break; } - if (!pipe_ctx) + if (!pipe_ctx) { + kfree(rd_buf); return -ENXIO; + } dsc = pipe_ctx->stream_res.dsc; if (dsc) @@ -1874,8 +1900,10 @@ static ssize_t dp_dsc_pic_height_read(struct file *f, char __user *buf, break; r = put_user(*(rd_buf + result), buf); - if (r) + if (r) { + kfree(rd_buf); return r; /* r = -EFAULT */ + } buf += 1; size -= 1; @@ -1929,8 +1957,10 @@ static ssize_t dp_dsc_chunk_size_read(struct file *f, char __user *buf, break; } - if (!pipe_ctx) + if (!pipe_ctx) { + kfree(rd_buf); return -ENXIO; + } dsc = pipe_ctx->stream_res.dsc; if (dsc) @@ -1946,8 +1976,10 @@ static ssize_t dp_dsc_chunk_size_read(struct file *f, char __user *buf, break; r = put_user(*(rd_buf + result), buf); - if (r) + if (r) { + kfree(rd_buf); return r; /* r = -EFAULT */ + } buf += 1; size -= 1; @@ -2001,8 +2033,10 @@ static ssize_t dp_dsc_slice_bpg_offset_read(struct file *f, char __user *buf, break; } - if (!pipe_ctx) + if (!pipe_ctx) { + kfree(rd_buf); return -ENXIO; + } dsc = pipe_ctx->stream_res.dsc; if (dsc) @@ -2018,8 +2052,10 @@ static ssize_t dp_dsc_slice_bpg_offset_read(struct file *f, char __user *buf, break; r = put_user(*(rd_buf + result), buf); - if (r) + if (r) { + kfree(rd_buf); return r; /* r = -EFAULT */ + } buf += 1; size -= 1; diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c index bd9c50b5e5ad3f..d37ee8277480dc 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c @@ -1212,6 +1212,60 @@ static enum bp_result bios_parser_get_embedded_panel_info( return BP_RESULT_FAILURE; } +static enum bp_result get_embedded_panel_extra_info( + struct bios_parser *bp, + struct embedded_panel_info *info, + const uint32_t table_offset) +{ + uint8_t *record = bios_get_image(&bp->base, table_offset, 1); + ATOM_PANEL_RESOLUTION_PATCH_RECORD *panel_res_record; + ATOM_FAKE_EDID_PATCH_RECORD *fake_edid_record; + + while (*record != ATOM_RECORD_END_TYPE) { + switch (*record) { + case LCD_MODE_PATCH_RECORD_MODE_TYPE: + record += sizeof(ATOM_PATCH_RECORD_MODE); + break; + case LCD_RTS_RECORD_TYPE: + record += sizeof(ATOM_LCD_RTS_RECORD); + break; + case LCD_CAP_RECORD_TYPE: + record += sizeof(ATOM_LCD_MODE_CONTROL_CAP); + break; + case LCD_FAKE_EDID_PATCH_RECORD_TYPE: + fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record; + if (fake_edid_record->ucFakeEDIDLength) { + if (fake_edid_record->ucFakeEDIDLength == 128) + info->fake_edid_size = + fake_edid_record->ucFakeEDIDLength; + else + info->fake_edid_size = + fake_edid_record->ucFakeEDIDLength * 128; + + info->fake_edid = fake_edid_record->ucFakeEDIDString; + + record += struct_size(fake_edid_record, + ucFakeEDIDString, + info->fake_edid_size); + } else { + /* empty fake edid record must be 3 bytes long */ + record += sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1; + } + break; + case LCD_PANEL_RESOLUTION_RECORD_TYPE: + panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record; + info->panel_width_mm = panel_res_record->usHSize; + info->panel_height_mm = panel_res_record->usVSize; + record += sizeof(ATOM_PANEL_RESOLUTION_PATCH_RECORD); + break; + default: + return BP_RESULT_BADBIOSTABLE; + } + } + + return BP_RESULT_OK; +} + static enum bp_result get_embedded_panel_info_v1_2( struct bios_parser *bp, struct embedded_panel_info *info) @@ -1328,6 +1382,10 @@ static enum bp_result get_embedded_panel_info_v1_2( if (ATOM_PANEL_MISC_API_ENABLED & lvds->ucLVDS_Misc) info->lcd_timing.misc_info.API_ENABLED = true; + if (lvds->usExtInfoTableOffset) + return get_embedded_panel_extra_info(bp, info, + le16_to_cpu(lvds->usExtInfoTableOffset) + DATA_TABLES(LCD_Info)); + return BP_RESULT_OK; } @@ -1453,6 +1511,10 @@ static enum bp_result get_embedded_panel_info_v1_3( (uint32_t) (ATOM_PANEL_MISC_V13_GREY_LEVEL & lvds->ucLCD_Misc) >> ATOM_PANEL_MISC_V13_GREY_LEVEL_SHIFT; + if (lvds->usExtInfoTableOffset) + return get_embedded_panel_extra_info(bp, info, + le16_to_cpu(lvds->usExtInfoTableOffset) + DATA_TABLES(LCD_Info)); + return BP_RESULT_OK; } diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c index fce46ab54c5436..d66c15afb10e1b 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c @@ -37,10 +37,13 @@ uint8_t *bios_get_image(struct dc_bios *bp, uint32_t offset, uint32_t size) { - if (bp->bios && offset + size < bp->bios_size) - return bp->bios + offset; - else + if (!bp->bios) return NULL; + + if (offset > bp->bios_size || size > bp->bios_size - offset) + return NULL; + + return bp->bios + offset; } #include "reg_helper.h" diff --git a/drivers/gpu/drm/amd/display/dc/calcs/Makefile b/drivers/gpu/drm/amd/display/dc/calcs/Makefile index cb7c37ef87351a..1b3e3926b706ee 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/Makefile +++ b/drivers/gpu/drm/amd/display/dc/calcs/Makefile @@ -26,7 +26,8 @@ # ifdef CONFIG_X86 -calcs_ccflags := -mhard-float -msse +calcs_ccflags-$(CONFIG_CC_IS_GCC) := -mhard-float +calcs_ccflags := $(calcs_ccflags-y) -msse endif ifdef CONFIG_PPC64 diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c index 48bc4590095477..f9d30fcfd052ce 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c @@ -994,7 +994,9 @@ void dce110_link_encoder_hw_init( ASSERT(result == BP_RESULT_OK); } - aux_initialize(enc110); + + if (enc110->aux_regs) + aux_initialize(enc110); /* reinitialize HPD. * hpd_initialize() will pass DIG_FE id to HW context. diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/Makefile b/drivers/gpu/drm/amd/display/dc/dcn30/Makefile index a71c0f29838025..52d5826b2970db 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dcn30/Makefile @@ -32,8 +32,8 @@ DCN30 = dcn30_init.o dcn30_hubbub.o dcn30_hubp.o dcn30_dpp.o dcn30_optc.o \ ifdef CONFIG_X86 -CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_resource.o := -mhard-float -msse -CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o := -mhard-float -msse +CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_resource.o := $(if $(CONFIG_CC_IS_GCC),-mhard-float) -msse +CFLAGS_$(AMDDALPATH)/dc/dcn30/dcn30_optc.o := $(if $(CONFIG_CC_IS_GCC),-mhard-float) -msse endif ifdef CONFIG_PPC64 diff --git a/drivers/gpu/drm/amd/display/dc/dsc/Makefile b/drivers/gpu/drm/amd/display/dc/dsc/Makefile index 6207809f293bd0..4fc6d9c32d16f4 100644 --- a/drivers/gpu/drm/amd/display/dc/dsc/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dsc/Makefile @@ -3,7 +3,8 @@ # Makefile for the 'dsc' sub-component of DAL. ifdef CONFIG_X86 -dsc_ccflags := -mhard-float -msse +dsc_ccflags-$(CONFIG_CC_IS_GCC) := -mhard-float +dsc_ccflags := $(dsc_ccflags-y) -msse endif ifdef CONFIG_PPC64 diff --git a/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h b/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h index 7a06e3914c0044..9dabe372c4fd51 100644 --- a/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h +++ b/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h @@ -153,6 +153,10 @@ struct embedded_panel_info { uint32_t drr_enabled; uint32_t min_drr_refresh_rate; bool realtek_eDPToLVDS; + uint16_t panel_width_mm; + uint16_t panel_height_mm; + uint16_t fake_edid_size; + const uint8_t *fake_edid; }; struct dc_firmware_info { diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/hwmgr.c index f48fdc7f0382ea..974a17a9532490 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/hwmgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/hwmgr.c @@ -108,6 +108,21 @@ int hwmgr_early_init(struct pp_hwmgr *hwmgr) PP_GFXOFF_MASK); hwmgr->pp_table_version = PP_TABLE_V0; hwmgr->od_enabled = false; + switch (hwmgr->chip_id) { + case CHIP_BONAIRE: + /* R9 M380 in iMac 2015: SMU hangs when enabling MCLK DPM + * R7 260X cards with old MC ucode: MCLK DPM is unstable + */ + if (adev->pdev->subsystem_vendor == 0x106B || + adev->pdev->device == 0x6658) { + dev_info(adev->dev, "disabling MCLK DPM on quirky ASIC"); + adev->pm.pp_feature &= ~PP_MCLK_DPM_MASK; + hwmgr->feature_mask &= ~PP_MCLK_DPM_MASK; + } + break; + default: + break; + } smu7_init_function_pointers(hwmgr); break; case AMDGPU_FAMILY_CZ: diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c index 329bf4d44bbceb..b135e4a1f8ee22 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c +++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c @@ -244,7 +244,7 @@ static void ci_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr) smu_data->power_tune_defaults = &defaults_hawaii_pro; break; case 0x67B8: - case 0x66B0: + case 0x67B0: smu_data->power_tune_defaults = &defaults_hawaii_xt; break; case 0x6640: @@ -542,12 +542,11 @@ static int ci_populate_dw8(struct pp_hwmgr *hwmgr, uint32_t fuse_table_offset) { struct ci_smumgr *smu_data = (struct ci_smumgr *)(hwmgr->smu_backend); const struct ci_pt_defaults *defaults = smu_data->power_tune_defaults; - uint32_t temp; if (ci_read_smc_sram_dword(hwmgr, fuse_table_offset + offsetof(SMU7_Discrete_PmFuses, TdcWaterfallCtl), - (uint32_t *)&temp, SMC_RAM_END)) + (uint32_t *)&smu_data->power_tune_table.TdcWaterfallCtl, SMC_RAM_END)) PP_ASSERT_WITH_CODE(false, "Attempt to read PmFuses.DW6 (SviLoadLineEn) from SMC Failed!", return -EINVAL); @@ -1216,7 +1215,7 @@ static int ci_populate_single_memory_level( } memory_level->EnabledForThrottle = 1; - memory_level->EnabledForActivity = 1; + memory_level->EnabledForActivity = 0; memory_level->UpH = data->current_profile_setting.mclk_up_hyst; memory_level->DownH = data->current_profile_setting.mclk_down_hyst; memory_level->VoltageDownH = 0; @@ -1321,16 +1320,25 @@ static int ci_populate_all_memory_levels(struct pp_hwmgr *hwmgr) return result; } + if (data->mclk_dpm_key_disabled && dpm_table->mclk_table.count) { + /* Populate the table with the highest MCLK level when MCLK DPM is disabled */ + for (i = 0; i < dpm_table->mclk_table.count - 1; i++) { + levels[i] = levels[dpm_table->mclk_table.count - 1]; + levels[i].DisplayWatermark = PPSMC_DISPLAY_WATERMARK_HIGH; + } + } + smu_data->smc_state_table.MemoryLevel[0].EnabledForActivity = 1; dev_id = adev->pdev->device; - if ((dpm_table->mclk_table.count >= 2) - && ((dev_id == 0x67B0) || (dev_id == 0x67B1))) { - smu_data->smc_state_table.MemoryLevel[1].MinVddci = - smu_data->smc_state_table.MemoryLevel[0].MinVddci; - smu_data->smc_state_table.MemoryLevel[1].MinMvdd = - smu_data->smc_state_table.MemoryLevel[0].MinMvdd; + if ((dpm_table->mclk_table.count >= 2) && + ((dev_id == 0x67B0) || (dev_id == 0x67B1)) && + (adev->pdev->revision == 0)) { + smu_data->smc_state_table.MemoryLevel[1].MinVddc = + smu_data->smc_state_table.MemoryLevel[0].MinVddc; + smu_data->smc_state_table.MemoryLevel[1].MinVddcPhases = + smu_data->smc_state_table.MemoryLevel[0].MinVddcPhases; } smu_data->smc_state_table.MemoryLevel[0].ActivityLevel = 0x1F; CONVERT_FROM_HOST_TO_SMC_US(smu_data->smc_state_table.MemoryLevel[0].ActivityLevel); diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c index 170f9dc8ec19c4..9ca65f94503fbc 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c @@ -4,6 +4,8 @@ * Author: James.Qian.Wang * */ +#include + #include #include #include @@ -92,7 +94,9 @@ komeda_fb_afbc_size_check(struct komeda_fb *kfb, struct drm_file *file, kfb->afbc_size = kfb->offset_payload + n_blocks * ALIGN(bpp * AFBC_SUPERBLK_PIXELS / 8, AFBC_SUPERBLK_ALIGNMENT); - min_size = kfb->afbc_size + fb->offsets[0]; + if (check_add_overflow(kfb->afbc_size, fb->offsets[0], &min_size)) { + goto check_failed; + } if (min_size > obj->size) { DRM_DEBUG_KMS("afbc size check failed, obj_size: 0x%zx. min_size 0x%llx.\n", obj->size, min_size); diff --git a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c index e41afcc5326b10..401865181c47f3 100644 --- a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c +++ b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c @@ -302,7 +302,6 @@ static void ge_b850v3_lvds_remove(void) goto out; drm_bridge_remove(&ge_b850v3_lvds_ptr->bridge); - ge_b850v3_lvds_ptr = NULL; out: mutex_unlock(&ge_b850v3_lvds_dev_mutex); @@ -312,6 +311,7 @@ static int ge_b850v3_register(void) { struct i2c_client *stdp4028_i2c = ge_b850v3_lvds_ptr->stdp4028_i2c; struct device *dev = &stdp4028_i2c->dev; + int ret; /* drm bridge initialization */ ge_b850v3_lvds_ptr->bridge.funcs = &ge_b850v3_lvds_funcs; @@ -329,11 +329,15 @@ static int ge_b850v3_register(void) if (!stdp4028_i2c->irq) return 0; - return devm_request_threaded_irq(&stdp4028_i2c->dev, - stdp4028_i2c->irq, NULL, - ge_b850v3_lvds_irq_handler, - IRQF_TRIGGER_HIGH | IRQF_ONESHOT, - "ge-b850v3-lvds-dp", ge_b850v3_lvds_ptr); + ret = devm_request_threaded_irq(&stdp4028_i2c->dev, + stdp4028_i2c->irq, NULL, + ge_b850v3_lvds_irq_handler, + IRQF_TRIGGER_HIGH | IRQF_ONESHOT, + "ge-b850v3-lvds-dp", ge_b850v3_lvds_ptr); + if (ret) + drm_bridge_remove(&ge_b850v3_lvds_ptr->bridge); + + return ret; } static int stdp4028_ge_b850v3_fw_probe(struct i2c_client *stdp4028_i2c, diff --git a/drivers/gpu/drm/drm_gem_framebuffer_helper.c b/drivers/gpu/drm/drm_gem_framebuffer_helper.c index 109d11fb4cd411..1253e7815d9b46 100644 --- a/drivers/gpu/drm/drm_gem_framebuffer_helper.c +++ b/drivers/gpu/drm/drm_gem_framebuffer_helper.c @@ -159,8 +159,8 @@ int drm_gem_fb_init_with_funcs(struct drm_device *dev, return -EINVAL; for (i = 0; i < info->num_planes; i++) { - unsigned int width = mode_cmd->width / (i ? info->hsub : 1); - unsigned int height = mode_cmd->height / (i ? info->vsub : 1); + unsigned int width = drm_format_info_plane_width(info, mode_cmd->width, i); + unsigned int height = drm_format_info_plane_height(info, mode_cmd->height, i); unsigned int min_size; objs[i] = drm_gem_object_lookup(file, mode_cmd->handles[i]); diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c index 08e83b75131977..915ea221f45239 100644 --- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c +++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c @@ -576,6 +576,7 @@ static int oaktrail_hdmi_get_modes(struct drm_connector *connector) } else { edid = (struct edid *)raw_edid; /* FIXME ? edid = drm_get_edid(connector, i2c_adap); */ + i2c_put_adapter(i2c_adap); } if (edid) { diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index a79c62c43a6ff2..b88be1ef1a9e1f 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -2589,8 +2589,13 @@ static void intel_dp_compute_vsc_colorimetry(const struct intel_crtc_state *crtc drm_WARN_ON(&dev_priv->drm, vsc->bpc == 6 && vsc->pixelformat != DP_PIXELFORMAT_RGB); - /* all YCbCr are always limited range */ - vsc->dynamic_range = DP_DYNAMIC_RANGE_CTA; + /* All YCbCr formats are always limited range. */ + if (vsc->pixelformat == DP_PIXELFORMAT_RGB) + vsc->dynamic_range = crtc_state->limited_color_range ? + DP_DYNAMIC_RANGE_CTA : DP_DYNAMIC_RANGE_VESA; + else + vsc->dynamic_range = DP_DYNAMIC_RANGE_CTA; + vsc->content_type = DP_CONTENT_TYPE_NOT_DEFINED; } diff --git a/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c b/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c index 5067d0524d4b56..780e29fa4aeeba 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c @@ -70,10 +70,12 @@ static void heartbeat(struct work_struct *wrk) /* Just in case everything has gone horribly wrong, give it a kick */ intel_engine_flush_submission(engine); - rq = engine->heartbeat.systole; - if (rq && i915_request_completed(rq)) { - i915_request_put(rq); - engine->heartbeat.systole = NULL; + rq = xchg(&engine->heartbeat.systole, NULL); + if (rq) { + if (i915_request_completed(rq)) + i915_request_put(rq); + else + engine->heartbeat.systole = rq; } if (!intel_engine_pm_get_if_awake(engine)) @@ -153,8 +155,11 @@ static void heartbeat(struct work_struct *wrk) unlock: mutex_unlock(&ce->timeline->mutex); out: - if (!next_heartbeat(engine)) - i915_request_put(fetch_and_zero(&engine->heartbeat.systole)); + if (!next_heartbeat(engine)) { + rq = xchg(&engine->heartbeat.systole, NULL); + if (rq) + i915_request_put(rq); + } intel_engine_pm_put(engine); } @@ -168,8 +173,13 @@ void intel_engine_unpark_heartbeat(struct intel_engine_cs *engine) void intel_engine_park_heartbeat(struct intel_engine_cs *engine) { - if (cancel_delayed_work(&engine->heartbeat.work)) - i915_request_put(fetch_and_zero(&engine->heartbeat.systole)); + if (cancel_delayed_work(&engine->heartbeat.work)) { + struct i915_request *rq; + + rq = xchg(&engine->heartbeat.systole, NULL); + if (rq) + i915_request_put(rq); + } } void intel_engine_init_heartbeat(struct intel_engine_cs *engine) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c index 0db27699025abb..6e9a3f843b3f52 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c @@ -642,7 +642,7 @@ static void a6xx_get_crashdumper_hlsq_registers(struct msm_gpu *gpu, u64 out = dumper->iova + A6XX_CD_DATA_OFFSET; int i, regcount = 0; - in += CRASHDUMP_WRITE(in, REG_A6XX_HLSQ_DBG_READ_SEL, regs->val1); + in += CRASHDUMP_WRITE(in, REG_A6XX_HLSQ_DBG_READ_SEL, (regs->val1 & 0xff) << 8); for (i = 0; i < regs->count; i += 2) { u32 count = RANGE(regs->registers, i); diff --git a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c index 8bcf87726ec663..9c3f88959b8c51 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c @@ -29,7 +29,7 @@ static int a6xx_hfi_queue_read(struct a6xx_gmu *gmu, struct a6xx_hfi_queue_header *header = queue->header; u32 i, hdr, index = header->read_index; - if (header->read_index == header->write_index) { + if (header->read_index == READ_ONCE(header->write_index)) { header->rx_request = 1; return 0; } @@ -55,7 +55,10 @@ static int a6xx_hfi_queue_read(struct a6xx_gmu *gmu, if (!gmu->legacy) index = ALIGN(index, 4) % header->size; - header->read_index = index; + /* Ensure all memory operations are complete before updating the read index */ + dma_mb(); + + WRITE_ONCE(header->read_index, index); return HFI_HEADER_SIZE(hdr); } @@ -67,7 +70,7 @@ static int a6xx_hfi_queue_write(struct a6xx_gmu *gmu, spin_lock(&queue->lock); - space = CIRC_SPACE(header->write_index, header->read_index, + space = CIRC_SPACE(header->write_index, READ_ONCE(header->read_index), header->size); if (space < dwords) { header->dropped++; @@ -86,7 +89,10 @@ static int a6xx_hfi_queue_write(struct a6xx_gmu *gmu, queue->data[index] = 0xfafafafa; } - header->write_index = index; + /* Ensure all memory operations are complete before updating the write index */ + dma_mb(); + + WRITE_ONCE(header->write_index, index); spin_unlock(&queue->lock); gmu_write(gmu, REG_A6XX_GMU_HOST2GMU_INTR_SET, 0x01); diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c b/drivers/gpu/drm/msm/dsi/dsi_cfg.c index 73f066ef6f4063..310b568c386644 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_cfg.c +++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c @@ -258,10 +258,10 @@ static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = { &msm8996_dsi_cfg, &msm_dsi_6g_host_ops}, {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_4_2, &msm8976_dsi_cfg, &msm_dsi_6g_host_ops}, + {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_0_0, + &msm8998_dsi_cfg, &msm_dsi_6g_v2_host_ops}, {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_1_0, &sdm660_dsi_cfg, &msm_dsi_6g_v2_host_ops}, - {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_2_0, - &msm8998_dsi_cfg, &msm_dsi_6g_v2_host_ops}, {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_2_1, &sdm845_dsi_cfg, &msm_dsi_6g_v2_host_ops}, {MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_3_0, diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.h b/drivers/gpu/drm/msm/dsi/dsi_cfg.h index ade9b609c7d986..89386b10dc48bf 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_cfg.h +++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.h @@ -18,8 +18,8 @@ #define MSM_DSI_6G_VER_MINOR_V1_3_1 0x10030001 #define MSM_DSI_6G_VER_MINOR_V1_4_1 0x10040001 #define MSM_DSI_6G_VER_MINOR_V1_4_2 0x10040002 +#define MSM_DSI_6G_VER_MINOR_V2_0_0 0x20000000 #define MSM_DSI_6G_VER_MINOR_V2_1_0 0x20010000 -#define MSM_DSI_6G_VER_MINOR_V2_2_0 0x20000000 #define MSM_DSI_6G_VER_MINOR_V2_2_1 0x20020001 #define MSM_DSI_6G_VER_MINOR_V2_3_0 0x20030000 #define MSM_DSI_6G_VER_MINOR_V2_4_0 0x20040000 diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index d4bd72347245a2..a59adc08267f5e 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -1140,7 +1140,7 @@ static const struct panel_desc auo_g190ean01 = { .height = 301, }, .delay = { - .prepare = 50, + .prepare = 30, .enable = 200, .disable = 110, .unprepare = 1000, diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c index ba098b4dee2e55..f6bfeca523656b 100644 --- a/drivers/gpu/drm/panfrost/panfrost_drv.c +++ b/drivers/gpu/drm/panfrost/panfrost_drv.c @@ -324,6 +324,8 @@ panfrost_ioctl_wait_bo(struct drm_device *dev, void *data, true, timeout); if (!ret) ret = timeout ? -ETIMEDOUT : -EBUSY; + else if (ret > 0) + ret = 0; drm_gem_object_put(gem_obj); diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index f98df826972c9d..0383db883f9bfe 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -2490,7 +2490,8 @@ static void ci_register_patching_mc_arb(struct radeon_device *rdev, if (patch && ((rdev->pdev->device == 0x67B0) || - (rdev->pdev->device == 0x67B1))) { + (rdev->pdev->device == 0x67B1)) && + (rdev->pdev->revision == 0)) { if ((memory_clock > 100000) && (memory_clock <= 125000)) { tmp2 = (((0x31 * engine_clock) / 125000) - 1) & 0xff; *dram_timimg2 &= ~0x00ff0000; @@ -3331,7 +3332,8 @@ static int ci_populate_all_memory_levels(struct radeon_device *rdev) pi->smc_state_table.MemoryLevel[0].EnabledForActivity = 1; if ((dpm_table->mclk_table.count >= 2) && - ((rdev->pdev->device == 0x67B0) || (rdev->pdev->device == 0x67B1))) { + ((rdev->pdev->device == 0x67B0) || (rdev->pdev->device == 0x67B1)) && + (rdev->pdev->revision == 0)) { pi->smc_state_table.MemoryLevel[1].MinVddc = pi->smc_state_table.MemoryLevel[0].MinVddc; pi->smc_state_table.MemoryLevel[1].MinVddcPhases = @@ -4528,7 +4530,8 @@ static int ci_register_patching_mc_seq(struct radeon_device *rdev, if (patch && ((rdev->pdev->device == 0x67B0) || - (rdev->pdev->device == 0x67B1))) { + (rdev->pdev->device == 0x67B1)) && + (rdev->pdev->revision == 0)) { for (i = 0; i < table->last; i++) { if (table->last >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE) return -EINVAL; diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c index 55960cbb101900..d935f36a24dd38 100644 --- a/drivers/gpu/drm/sun4i/sun4i_backend.c +++ b/drivers/gpu/drm/sun4i/sun4i_backend.c @@ -897,7 +897,8 @@ static int sun4i_backend_bind(struct device *dev, struct device *master, &sun4i_backend_regmap_config); if (IS_ERR(backend->engine.regs)) { dev_err(dev, "Couldn't create the backend regmap\n"); - return PTR_ERR(backend->engine.regs); + ret = PTR_ERR(backend->engine.regs); + goto err_disable_ram_clk; } list_add_tail(&backend->engine.list, &drv->engine_list); diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c index 9006b9861c90c2..437084f7973c6f 100644 --- a/drivers/gpu/drm/vc4/vc4_bo.c +++ b/drivers/gpu/drm/vc4/vc4_bo.c @@ -719,12 +719,15 @@ int vc4_mmap(struct file *filp, struct vm_area_struct *vma) return -EINVAL; } + mutex_lock(&bo->madv_lock); if (bo->madv != VC4_MADV_WILLNEED) { DRM_DEBUG("mmaping of %s BO not allowed\n", bo->madv == VC4_MADV_DONTNEED ? "purgeable" : "purged"); + mutex_unlock(&bo->madv_lock); return -EINVAL; } + mutex_unlock(&bo->madv_lock); /* * Clear the VM_PFNMAP flag that was set by drm_gem_mmap(), and set the diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c index b641252939d878..e4f20b93c33e70 100644 --- a/drivers/gpu/drm/vc4/vc4_gem.c +++ b/drivers/gpu/drm/vc4/vc4_gem.c @@ -60,6 +60,7 @@ vc4_free_hang_state(struct drm_device *dev, struct vc4_hang_state *state) for (i = 0; i < state->user_state.bo_count; i++) drm_gem_object_put(state->bo[i]); + kfree(state->bo); kfree(state); } @@ -165,10 +166,8 @@ vc4_save_hang_state(struct drm_device *dev) spin_lock_irqsave(&vc4->job_lock, irqflags); exec[0] = vc4_first_bin_job(vc4); exec[1] = vc4_first_render_job(vc4); - if (!exec[0] && !exec[1]) { - spin_unlock_irqrestore(&vc4->job_lock, irqflags); - return; - } + if (!exec[0] && !exec[1]) + goto err_free_state; /* Get the bos from both binner and renderer into hang state. */ state->bo_count = 0; @@ -185,10 +184,8 @@ vc4_save_hang_state(struct drm_device *dev) kernel_state->bo = kcalloc(state->bo_count, sizeof(*kernel_state->bo), GFP_ATOMIC); - if (!kernel_state->bo) { - spin_unlock_irqrestore(&vc4->job_lock, irqflags); - return; - } + if (!kernel_state->bo) + goto err_free_state; k = 0; for (i = 0; i < 2; i++) { @@ -280,6 +277,12 @@ vc4_save_hang_state(struct drm_device *dev) vc4->hang_state = kernel_state; spin_unlock_irqrestore(&vc4->job_lock, irqflags); } + + return; + +err_free_state: + spin_unlock_irqrestore(&vc4->job_lock, irqflags); + kfree(kernel_state); } static void diff --git a/drivers/hid/hid-alps.c b/drivers/hid/hid-alps.c index ef73fef1b3e3f0..8302078fe5fa1f 100644 --- a/drivers/hid/hid-alps.c +++ b/drivers/hid/hid-alps.c @@ -437,6 +437,9 @@ static int alps_raw_event(struct hid_device *hdev, int ret = 0; struct alps_dev *hdata = hid_get_drvdata(hdev); + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !hdata->input) + return 0; + switch (hdev->product) { case HID_PRODUCT_ID_T4_BTNLESS: ret = t4_raw_event(hdata, data, size); diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c index 9d425f81d62243..af9dc04793d7d4 100644 --- a/drivers/hid/hid-asus.c +++ b/drivers/hid/hid-asus.c @@ -901,7 +901,8 @@ static int asus_start_multitouch(struct hid_device *hdev) return 0; } -static int __maybe_unused asus_resume(struct hid_device *hdev) { +static int __maybe_unused asus_resume(struct hid_device *hdev) +{ struct asus_drvdata *drvdata = hid_get_drvdata(hdev); int ret = 0; @@ -1033,22 +1034,17 @@ static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id) * were freed during registration due to no usages being mapped, * leaving drvdata->input pointing to freed memory. */ - if (!drvdata->input || !(hdev->claimed & HID_CLAIMED_INPUT)) { - hid_err(hdev, "Asus input not registered\n"); - ret = -ENOMEM; - goto err_stop_hw; - } - - if (drvdata->tp) { - drvdata->input->name = "Asus TouchPad"; - } else { - drvdata->input->name = "Asus Keyboard"; - } + if (drvdata->input && (hdev->claimed & HID_CLAIMED_INPUT)) { + if (drvdata->tp) + drvdata->input->name = "Asus TouchPad"; + else + drvdata->input->name = "Asus Keyboard"; - if (drvdata->tp) { - ret = asus_start_multitouch(hdev); - if (ret) - goto err_stop_hw; + if (drvdata->tp) { + ret = asus_start_multitouch(hdev); + if (ret) + goto err_stop_hw; + } } return 0; diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index e789452181fe0a..aa9ae6ccb28a8f 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1354,6 +1354,9 @@ static u32 s32ton(__s32 value, unsigned n) if (!value || !n) return 0; + if (n > 32) + n = 32; + a = value >> (n - 1); if (a && a != -1) return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1; diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 4b07b8be5c43e0..549675b200b9b7 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -22,6 +22,9 @@ #define USB_DEVICE_ID_3M2256 0x0502 #define USB_DEVICE_ID_3M3266 0x0506 +#define USB_VENDOR_ID_8BITDO 0x2dc8 +#define USB_DEVICE_ID_8BITDO_PRO_3 0x6009 + #define USB_VENDOR_ID_A4TECH 0x09da #define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006 #define USB_DEVICE_ID_A4TECH_X5_005D 0x000a diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c index 85d81b07b6d47c..3a7b2317590989 100644 --- a/drivers/hid/hid-quirks.c +++ b/drivers/hid/hid-quirks.c @@ -25,6 +25,7 @@ */ static const struct hid_device_id hid_quirks[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_8BITDO, USB_DEVICE_ID_8BITDO_PRO_3), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD), HID_QUIRK_BADPAD }, { HID_USB_DEVICE(USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR), HID_QUIRK_BADPAD }, { HID_USB_DEVICE(USB_VENDOR_ID_ADATA_XPG, USB_VENDOR_ID_ADATA_XPG_WL_GAMING_MOUSE), HID_QUIRK_ALWAYS_POLL }, @@ -221,7 +222,7 @@ static const struct hid_device_id hid_quirks[] = { * used as a driver. See hid_scan_report(). */ static const struct hid_device_id hid_have_special_driver[] = { -#if IS_ENABLED(CONFIG_APPLEDISPLAY) +#if IS_ENABLED(CONFIG_USB_APPLEDISPLAY) { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, 0x9218) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, 0x9219) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, 0x921c) }, diff --git a/drivers/hid/hid-roccat.c b/drivers/hid/hid-roccat.c index 6da80e442fdd10..420e4335c3e830 100644 --- a/drivers/hid/hid-roccat.c +++ b/drivers/hid/hid-roccat.c @@ -257,6 +257,7 @@ int roccat_report_event(int minor, u8 const *data) if (!new_value) return -ENOMEM; + mutex_lock(&device->readers_lock); mutex_lock(&device->cbuf_lock); report = &device->cbuf[device->cbuf_end]; @@ -279,6 +280,7 @@ int roccat_report_event(int minor, u8 const *data) } mutex_unlock(&device->cbuf_lock); + mutex_unlock(&device->readers_lock); wake_up_interruptible(&device->wait); return 0; diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 03eecfd3692dfb..7d0eb6c85d8515 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -1538,7 +1538,7 @@ static int hid_post_reset(struct usb_interface *intf) * configuration descriptors passed, we already know that * the size of the HID report descriptor has not changed. */ - rdesc = kmalloc(hid->dev_rsize, GFP_KERNEL); + rdesc = kmalloc(hid->dev_rsize, GFP_NOIO); if (!rdesc) return -ENOMEM; diff --git a/drivers/hwmon/pmbus/adm1266.c b/drivers/hwmon/pmbus/adm1266.c index d1b2e936546fd8..0d7dfb4ae68f86 100644 --- a/drivers/hwmon/pmbus/adm1266.c +++ b/drivers/hwmon/pmbus/adm1266.c @@ -46,6 +46,7 @@ #define ADM1266_BLACKBOX_OFFSET 0 #define ADM1266_BLACKBOX_SIZE 64 +#define ADM1266_BLACKBOX_MAX_RECORDS 32 #define ADM1266_PMBUS_BLOCK_MAX 255 @@ -60,7 +61,7 @@ struct adm1266_data { u8 *dev_mem; struct mutex buf_mutex; u8 write_buf[ADM1266_PMBUS_BLOCK_MAX + 1] ____cacheline_aligned; - u8 read_buf[ADM1266_PMBUS_BLOCK_MAX + 1] ____cacheline_aligned; + u8 read_buf[ADM1266_PMBUS_BLOCK_MAX + 2] ____cacheline_aligned; }; static const struct nvmem_cell_info adm1266_nvmem_cells[] = { @@ -175,6 +176,8 @@ static int adm1266_gpio_get(struct gpio_chip *chip, unsigned int offset) ret = i2c_smbus_read_block_data(data->client, pmbus_cmd, read_buf); if (ret < 0) return ret; + if (ret < 2) + return -EIO; pins_status = read_buf[0] + (read_buf[1] << 8); if (offset < ADM1266_GPIO_NR) @@ -195,6 +198,8 @@ static int adm1266_gpio_get_multiple(struct gpio_chip *chip, unsigned long *mask ret = i2c_smbus_read_block_data(data->client, ADM1266_GPIO_STATUS, read_buf); if (ret < 0) return ret; + if (ret < 2) + return -EIO; status = read_buf[0] + (read_buf[1] << 8); @@ -207,11 +212,12 @@ static int adm1266_gpio_get_multiple(struct gpio_chip *chip, unsigned long *mask ret = i2c_smbus_read_block_data(data->client, ADM1266_PDIO_STATUS, read_buf); if (ret < 0) return ret; + if (ret < 2) + return -EIO; status = read_buf[0] + (read_buf[1] << 8); - *bits = 0; - for_each_set_bit_from(gpio_nr, mask, ADM1266_GPIO_NR + ADM1266_PDIO_STATUS) { + for_each_set_bit_from(gpio_nr, mask, ADM1266_GPIO_NR + ADM1266_PDIO_NR) { if (test_bit(gpio_nr - ADM1266_GPIO_NR, &status)) set_bit(gpio_nr, bits); } @@ -349,9 +355,10 @@ static void adm1266_init_debugfs(struct adm1266_data *data) static int adm1266_nvmem_read_blackbox(struct adm1266_data *data, u8 *read_buff) { + u8 record[ADM1266_PMBUS_BLOCK_MAX]; int record_count; char index; - u8 buf[5]; + u8 buf[I2C_SMBUS_BLOCK_MAX]; int ret; ret = i2c_smbus_read_block_data(data->client, ADM1266_BLACKBOX_INFO, buf); @@ -362,15 +369,18 @@ static int adm1266_nvmem_read_blackbox(struct adm1266_data *data, u8 *read_buff) return -EIO; record_count = buf[3]; + if (record_count > ADM1266_BLACKBOX_MAX_RECORDS) + return -EIO; for (index = 0; index < record_count; index++) { - ret = adm1266_pmbus_block_xfer(data, ADM1266_READ_BLACKBOX, 1, &index, read_buff); + ret = adm1266_pmbus_block_xfer(data, ADM1266_READ_BLACKBOX, 1, &index, record); if (ret < 0) return ret; if (ret != ADM1266_BLACKBOX_SIZE) return -EIO; + memcpy(read_buff, record, ADM1266_BLACKBOX_SIZE); read_buff += ADM1266_BLACKBOX_SIZE; } @@ -434,7 +444,7 @@ static int adm1266_set_rtc(struct adm1266_data *data) char write_buf[6]; int i; - kt = ktime_get_seconds(); + kt = ktime_get_real_seconds(); memset(write_buf, 0, sizeof(write_buf)); @@ -464,20 +474,20 @@ static int adm1266_probe(struct i2c_client *client) crc8_populate_msb(pmbus_crc_table, 0x7); mutex_init(&data->buf_mutex); - ret = adm1266_config_gpio(data); + ret = adm1266_set_rtc(data); if (ret < 0) return ret; - ret = adm1266_set_rtc(data); - if (ret < 0) + ret = pmbus_do_probe(client, &data->info); + if (ret) return ret; ret = adm1266_config_nvmem(data); if (ret < 0) return ret; - ret = pmbus_do_probe(client, &data->info); - if (ret) + ret = adm1266_config_gpio(data); + if (ret < 0) return ret; adm1266_init_debugfs(data); diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index fd0969cd7dc673..81ac50205dd11b 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -511,8 +511,13 @@ static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) i2c->msg->buf[i2c->msg_ptr++] = byte; /* Add actual length to read for smbus block read */ - if (i2c->msg->flags & I2C_M_RECV_LEN && i2c->msg->len == 1) + if (i2c->msg->flags & I2C_M_RECV_LEN && i2c->msg->len == 1) { + if (byte == 0 || byte > I2C_SMBUS_BLOCK_MAX) { + s3c24xx_i2c_stop(i2c, -EPROTO); + break; + } i2c->msg->len += byte; + } prepare_read: if (is_msglast(i2c)) { /* last byte of buffer */ diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c index e47cfef8c99208..f3fc7fe3779fe9 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -2241,8 +2241,13 @@ static int i3c_master_i2c_adapter_init(struct i3c_master_controller *master) * We silently ignore failures here. The bus should keep working * correctly even if one or more i2c devices are not registered. */ - list_for_each_entry(i2cboardinfo, &master->boardinfo.i2c, node) + list_for_each_entry(i2cboardinfo, &master->boardinfo.i2c, node) { + i2cdev = i3c_master_find_i2c_dev_by_addr(master, + i2cboardinfo->base.addr); + if (WARN_ON(!i2cdev)) + continue; i2cdev->dev = i2c_new_client_device(adap, &i2cboardinfo->base); + } return 0; } diff --git a/drivers/iio/adc/ad7768-1.c b/drivers/iio/adc/ad7768-1.c index 883399ad80e03d..08b3dee1d3dd36 100644 --- a/drivers/iio/adc/ad7768-1.c +++ b/drivers/iio/adc/ad7768-1.c @@ -240,12 +240,17 @@ static int ad7768_scan_direct(struct iio_dev *indio_dev) struct ad7768_state *st = iio_priv(indio_dev); int readval, ret; - reinit_completion(&st->completion); - ret = ad7768_set_mode(st, AD7768_ONE_SHOT); if (ret < 0) return ret; + reinit_completion(&st->completion); + + /* One-shot mode requires a SYNC pulse to generate a new sample */ + ret = ad7768_send_sync_pulse(st); + if (ret) + return ret; + ret = wait_for_completion_timeout(&st->completion, msecs_to_jiffies(1000)); if (!ret) diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index 6e02b8d1abb005..ffce37fca9cfee 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -322,11 +322,14 @@ static int dst_fetch_ha(const struct dst_entry *dst, if (!n) return -ENODATA; + read_lock_bh(&n->lock); if (!(n->nud_state & NUD_VALID)) { + read_unlock_bh(&n->lock); neigh_event_send(n, NULL); ret = -ENODATA; } else { neigh_ha_snapshot(dev_addr->dst_dev_addr, n, dst->dev); + read_unlock_bh(&n->lock); } neigh_release(n); diff --git a/drivers/infiniband/core/iwpm_msg.c b/drivers/infiniband/core/iwpm_msg.c index 46686990a8271a..698ec2e7305101 100644 --- a/drivers/infiniband/core/iwpm_msg.c +++ b/drivers/infiniband/core/iwpm_msg.c @@ -381,9 +381,9 @@ remove_mapping_error: /* netlink attribute policy for the received response to register pid request */ static const struct nla_policy resp_reg_policy[IWPM_NLA_RREG_PID_MAX] = { [IWPM_NLA_RREG_PID_SEQ] = { .type = NLA_U32 }, - [IWPM_NLA_RREG_IBDEV_NAME] = { .type = NLA_STRING, + [IWPM_NLA_RREG_IBDEV_NAME] = { .type = NLA_NUL_STRING, .len = IWPM_DEVNAME_SIZE - 1 }, - [IWPM_NLA_RREG_ULIB_NAME] = { .type = NLA_STRING, + [IWPM_NLA_RREG_ULIB_NAME] = { .type = NLA_NUL_STRING, .len = IWPM_ULIBNAME_SIZE - 1 }, [IWPM_NLA_RREG_ULIB_VER] = { .type = NLA_U16 }, [IWPM_NLA_RREG_PID_ERR] = { .type = NLA_U16 } @@ -698,7 +698,7 @@ int iwpm_remote_info_cb(struct sk_buff *skb, struct netlink_callback *cb) /* netlink attribute policy for the received request for mapping info */ static const struct nla_policy resp_mapinfo_policy[IWPM_NLA_MAPINFO_REQ_MAX] = { - [IWPM_NLA_MAPINFO_ULIB_NAME] = { .type = NLA_STRING, + [IWPM_NLA_MAPINFO_ULIB_NAME] = { .type = NLA_NUL_STRING, .len = IWPM_ULIBNAME_SIZE - 1 }, [IWPM_NLA_MAPINFO_ULIB_VER] = { .type = NLA_U16 } }; diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c index 19540a13cb84d0..e38ae4ac454f6b 100644 --- a/drivers/infiniband/core/mad.c +++ b/drivers/infiniband/core/mad.c @@ -59,9 +59,6 @@ static void create_mad_addr_info(struct ib_mad_send_wr_private *mad_send_wr, struct ib_mad_qp_info *qp_info, struct trace_event_raw_ib_mad_send_template *entry) { - u16 pkey; - struct ib_device *dev = qp_info->port_priv->device; - u8 pnum = qp_info->port_priv->port_num; struct ib_ud_wr *wr = &mad_send_wr->send_wr; struct rdma_ah_attr attr = {}; @@ -69,8 +66,6 @@ static void create_mad_addr_info(struct ib_mad_send_wr_private *mad_send_wr, /* These are common */ entry->sl = attr.sl; - ib_query_pkey(dev, pnum, wr->pkey_index, &pkey); - entry->pkey = pkey; entry->rqpn = wr->remote_qpn; entry->rqkey = wr->remote_qkey; entry->dlid = rdma_ah_get_dlid(&attr); diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c index bf618529e734d2..dd509ed35d959d 100644 --- a/drivers/infiniband/hw/mlx4/srq.c +++ b/drivers/infiniband/hw/mlx4/srq.c @@ -189,13 +189,15 @@ int mlx4_ib_create_srq(struct ib_srq *ib_srq, if (udata) if (ib_copy_to_udata(udata, &srq->msrq.srqn, sizeof (__u32))) { err = -EFAULT; - goto err_wrid; + goto err_srq; } init_attr->attr.max_wr = srq->msrq.max - 1; return 0; +err_srq: + mlx4_srq_free(dev->dev, &srq->msrq); err_wrid: if (udata) mlx4_ib_db_unmap_user(ucontext, &srq->db); diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index 81a560056cd520..2a691dc30a1299 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -618,9 +618,9 @@ static int ocrdma_copy_pd_uresp(struct ocrdma_dev *dev, struct ocrdma_pd *pd, ucopy_err: if (pd->dpp_enabled) - ocrdma_del_mmap(pd->uctx, dpp_page_addr, PAGE_SIZE); + ocrdma_del_mmap(uctx, dpp_page_addr, PAGE_SIZE); dpp_map_err: - ocrdma_del_mmap(pd->uctx, db_page_addr, db_page_size); + ocrdma_del_mmap(uctx, db_page_addr, db_page_size); return status; } diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c index fc412cbfd042bd..9d758689c239cf 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c @@ -350,7 +350,7 @@ int pvrdma_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata) uresp.qp_tab_size = vdev->dsr->caps.max_qp; ret = ib_copy_to_udata(udata, &uresp, sizeof(uresp)); if (ret) { - pvrdma_uar_free(vdev, &context->uar); + /* pvrdma_dealloc_ucontext() also frees the UAR */ pvrdma_dealloc_ucontext(&context->ibucontext); return -EFAULT; } diff --git a/drivers/infiniband/sw/rxe/rxe_recv.c b/drivers/infiniband/sw/rxe/rxe_recv.c index cb69a125e28061..592e351ccec512 100644 --- a/drivers/infiniband/sw/rxe/rxe_recv.c +++ b/drivers/infiniband/sw/rxe/rxe_recv.c @@ -364,7 +364,19 @@ void rxe_rcv(struct sk_buff *skb) pkt->qp = NULL; pkt->mask |= rxe_opcode[pkt->opcode].mask; - if (unlikely(skb->len < header_size(pkt))) + /* + * Unknown opcodes have a zero-initialized rxe_opcode[] entry, so + * both mask and length are 0. Reject them before any length math: + * rxe_icrc_hdr() would otherwise compute length - RXE_BTH_BYTES + * and pass the underflowed value to rxe_crc32(), producing an + * out-of-bounds read. + */ + if (unlikely(!rxe_opcode[pkt->opcode].mask || + !rxe_opcode[pkt->opcode].length)) + goto drop; + + if (unlikely(pkt->paylen < header_size(pkt) + bth_pad(pkt) + + RXE_ICRC_SIZE)) goto drop; err = hdr_check(pkt); diff --git a/drivers/infiniband/sw/siw/siw_qp_rx.c b/drivers/infiniband/sw/siw/siw_qp_rx.c index 6b049858644e8c..d93480b65e5e9b 100644 --- a/drivers/infiniband/sw/siw/siw_qp_rx.c +++ b/drivers/infiniband/sw/siw/siw_qp_rx.c @@ -1101,6 +1101,21 @@ static int siw_get_hdr(struct siw_rx_stream *srx) return -EAGAIN; } + /* + * Peer-controlled mpa_len must not underflow srx->fpdu_part_rem + * in siw_tcp_rx_data(); a negative value flows as a signed copy + * length into siw_check_mem() and skb_copy_bits(). + */ + if (unlikely(be16_to_cpu(c_hdr->mpa_len) + MPA_HDR_SIZE < + iwarp_pktinfo[opcode].hdr_len)) { + pr_warn_ratelimited("siw: short mpa_len %u for opcode %u (hdr_len %u)\n", + be16_to_cpu(c_hdr->mpa_len), opcode, + iwarp_pktinfo[opcode].hdr_len); + siw_init_terminate(rx_qp(srx), TERM_ERROR_LAYER_LLP, + LLP_ETYPE_MPA, LLP_ECODE_FPDU_START, 0); + return -EINVAL; + } + /* * DDP/RDMAP header receive completed. Check if the current * DDP segment starts a new RDMAP message or continues a previously diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 4c100e19222323..a4c538d7522e18 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -6225,6 +6225,9 @@ static void quirk_iommu_igfx(struct pci_dev *dev) dmar_map_gfx = 0; } +/* Q35 integrated gfx dmar support is totally busted. */ +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x29b2, quirk_iommu_igfx); + /* G4x/GM45 integrated gfx dmar support is totally busted. */ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_igfx); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e00, quirk_iommu_igfx); diff --git a/drivers/irqchip/irq-ath79-cpu.c b/drivers/irqchip/irq-ath79-cpu.c index 923e4bba377676..9b7273a7f8ced9 100644 --- a/drivers/irqchip/irq-ath79-cpu.c +++ b/drivers/irqchip/irq-ath79-cpu.c @@ -85,10 +85,3 @@ static int __init ar79_cpu_intc_of_init( } IRQCHIP_DECLARE(ar79_cpu_intc, "qca,ar7100-cpu-intc", ar79_cpu_intc_of_init); - -void __init ath79_cpu_irq_init(unsigned irq_wb_chan2, unsigned irq_wb_chan3) -{ - irq_wb_chan[2] = irq_wb_chan2; - irq_wb_chan[3] = irq_wb_chan3; - mips_cpu_irq_init(); -} diff --git a/drivers/irqchip/irq-pic32-evic.c b/drivers/irqchip/irq-pic32-evic.c index 34c4b4ffacd15e..5c40ec5e55f1d1 100644 --- a/drivers/irqchip/irq-pic32-evic.c +++ b/drivers/irqchip/irq-pic32-evic.c @@ -199,7 +199,7 @@ static void __init pic32_ext_irq_of_init(struct irq_domain *domain) of_property_for_each_u32(node, pname, prop, p, hwirq) { if (i >= ARRAY_SIZE(priv->ext_irqs)) { - pr_warn("More than %d external irq, skip rest\n", + pr_warn("More than %zu external irq, skip rest\n", ARRAY_SIZE(priv->ext_irqs)); break; } diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c index 29c04157b5e88f..113858fe168c3d 100644 --- a/drivers/mailbox/mailbox-test.c +++ b/drivers/mailbox/mailbox-test.c @@ -27,8 +27,6 @@ #define MBOX_HEXDUMP_MAX_LEN (MBOX_HEXDUMP_LINE_LEN * \ (MBOX_MAX_MSG_LEN / MBOX_BYTES_PER_LINE)) -static bool mbox_data_ready; - struct mbox_test_device { struct device *dev; void __iomem *tx_mmio; @@ -41,6 +39,7 @@ struct mbox_test_device { spinlock_t lock; struct mutex mutex; wait_queue_head_t waitq; + bool data_ready; struct fasync_struct *async_queue; struct dentry *root_debugfs_dir; }; @@ -161,7 +160,7 @@ static bool mbox_test_message_data_ready(struct mbox_test_device *tdev) unsigned long flags; spin_lock_irqsave(&tdev->lock, flags); - data_ready = mbox_data_ready; + data_ready = tdev->data_ready; spin_unlock_irqrestore(&tdev->lock, flags); return data_ready; @@ -226,7 +225,7 @@ static ssize_t mbox_test_message_read(struct file *filp, char __user *userbuf, *(touser + l) = '\0'; memset(tdev->rx_buffer, 0, MBOX_MAX_MSG_LEN); - mbox_data_ready = false; + tdev->data_ready = false; spin_unlock_irqrestore(&tdev->lock, flags); @@ -296,7 +295,7 @@ static void mbox_test_receive_message(struct mbox_client *client, void *message) message, MBOX_MAX_MSG_LEN); memcpy(tdev->rx_buffer, message, MBOX_MAX_MSG_LEN); } - mbox_data_ready = true; + tdev->data_ready = true; spin_unlock_irqrestore(&tdev->lock, flags); wake_up_interruptible(&tdev->waitq); @@ -365,6 +364,12 @@ static int mbox_test_probe(struct platform_device *pdev) if (!tdev) return -ENOMEM; + tdev->dev = &pdev->dev; + spin_lock_init(&tdev->lock); + mutex_init(&tdev->mutex); + init_waitqueue_head(&tdev->waitq); + platform_set_drvdata(pdev, tdev); + /* It's okay for MMIO to be NULL */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); tdev->tx_mmio = devm_ioremap_resource(&pdev->dev, res); @@ -396,27 +401,29 @@ static int mbox_test_probe(struct platform_device *pdev) if (!tdev->rx_channel && (tdev->rx_mmio != tdev->tx_mmio)) tdev->rx_channel = tdev->tx_channel; - tdev->dev = &pdev->dev; - platform_set_drvdata(pdev, tdev); - - spin_lock_init(&tdev->lock); - mutex_init(&tdev->mutex); - if (tdev->rx_channel) { tdev->rx_buffer = devm_kzalloc(&pdev->dev, MBOX_MAX_MSG_LEN, GFP_KERNEL); - if (!tdev->rx_buffer) - return -ENOMEM; + if (!tdev->rx_buffer) { + ret = -ENOMEM; + goto err_free_chans; + } } ret = mbox_test_add_debugfs(pdev, tdev); if (ret) - return ret; + goto err_free_chans; - init_waitqueue_head(&tdev->waitq); dev_info(&pdev->dev, "Successfully registered\n"); return 0; + +err_free_chans: + if (tdev->tx_channel) + mbox_free_channel(tdev->tx_channel); + if (tdev->rx_channel && tdev->rx_channel != tdev->tx_channel) + mbox_free_channel(tdev->rx_channel); + return ret; } static int mbox_test_remove(struct platform_device *pdev) @@ -427,7 +434,7 @@ static int mbox_test_remove(struct platform_device *pdev) if (tdev->tx_channel) mbox_free_channel(tdev->tx_channel); - if (tdev->rx_channel) + if (tdev->rx_channel && tdev->rx_channel != tdev->tx_channel) mbox_free_channel(tdev->rx_channel); return 0; diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c index cb31ad917b352f..363eaf3c962ec9 100644 --- a/drivers/mailbox/mailbox.c +++ b/drivers/mailbox/mailbox.c @@ -468,12 +468,10 @@ static struct mbox_chan * of_mbox_index_xlate(struct mbox_controller *mbox, const struct of_phandle_args *sp) { - int ind = sp->args[0]; - - if (ind >= mbox->num_chans) + if (sp->args_count < 1 || sp->args[0] >= mbox->num_chans) return ERR_PTR(-EINVAL); - return &mbox->chans[ind]; + return &mbox->chans[sp->args[0]]; } /** @@ -486,8 +484,7 @@ int mbox_controller_register(struct mbox_controller *mbox) { int i, txdone; - /* Sanity check */ - if (!mbox || !mbox->dev || !mbox->ops || !mbox->num_chans) + if (!mbox || !mbox->dev || !mbox->ops || !mbox->chans || !mbox->num_chans) return -EINVAL; if (mbox->txdone_irq) diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index a80de1cfbbd071..6460bb0c5ba144 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -1396,6 +1396,14 @@ static void cached_dev_free(struct closure *cl) mutex_unlock(&bch_register_lock); + /* + * Wait for any pending sb_write to complete before free. + * The sb_bio is embedded in struct cached_dev, so we must + * ensure no I/O is in progress. + */ + down(&dc->sb_write_mutex); + up(&dc->sb_write_mutex); + if (dc->sb_disk) put_page(virt_to_page(dc->sb_disk)); diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c index 2ecd0db0f29452..43d271c3588584 100644 --- a/drivers/md/dm-cache-metadata.c +++ b/drivers/md/dm-cache-metadata.c @@ -1017,6 +1017,12 @@ static bool cmd_write_lock(struct dm_cache_metadata *cmd) return; \ } while(0) +#define WRITE_LOCK_OR_GOTO(cmd, label) \ + do { \ + if (!cmd_write_lock((cmd))) \ + goto label; \ + } while (0) + #define WRITE_UNLOCK(cmd) \ up_write(&(cmd)->root_lock) @@ -1749,17 +1755,6 @@ int dm_cache_write_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy * return r; } -int dm_cache_metadata_all_clean(struct dm_cache_metadata *cmd, bool *result) -{ - int r; - - READ_LOCK(cmd); - r = blocks_are_unmapped_or_clean(cmd, 0, cmd->cache_blocks, result); - READ_UNLOCK(cmd); - - return r; -} - void dm_cache_metadata_set_read_only(struct dm_cache_metadata *cmd) { WRITE_LOCK_VOID(cmd); @@ -1826,11 +1821,8 @@ int dm_cache_metadata_abort(struct dm_cache_metadata *cmd) new_bm = dm_block_manager_create(cmd->bdev, DM_CACHE_METADATA_BLOCK_SIZE << SECTOR_SHIFT, CACHE_MAX_CONCURRENT_LOCKS); - WRITE_LOCK(cmd); - if (cmd->fail_io) { - WRITE_UNLOCK(cmd); - goto out; - } + /* cmd_write_lock() already checks fail_io with cmd->root_lock held */ + WRITE_LOCK_OR_GOTO(cmd, out); __destroy_persistent_data_objects(cmd, false); old_bm = cmd->bm; diff --git a/drivers/md/dm-cache-metadata.h b/drivers/md/dm-cache-metadata.h index 179ed5bf81a3e4..79747130a48f71 100644 --- a/drivers/md/dm-cache-metadata.h +++ b/drivers/md/dm-cache-metadata.h @@ -137,11 +137,6 @@ void dm_cache_dump(struct dm_cache_metadata *cmd); */ int dm_cache_write_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *p); -/* - * Query method. Are all the blocks in the cache clean? - */ -int dm_cache_metadata_all_clean(struct dm_cache_metadata *cmd, bool *result); - int dm_cache_metadata_needs_check(struct dm_cache_metadata *cmd, bool *result); int dm_cache_metadata_set_needs_check(struct dm_cache_metadata *cmd); void dm_cache_metadata_set_read_only(struct dm_cache_metadata *cmd); diff --git a/drivers/md/dm-cache-policy-smq.c b/drivers/md/dm-cache-policy-smq.c index 859073193f5b4d..95b0670c32acda 100644 --- a/drivers/md/dm-cache-policy-smq.c +++ b/drivers/md/dm-cache-policy-smq.c @@ -1584,14 +1584,18 @@ static int smq_invalidate_mapping(struct dm_cache_policy *p, dm_cblock_t cblock) { struct smq_policy *mq = to_smq_policy(p); struct entry *e = get_entry(&mq->cache_alloc, from_cblock(cblock)); + unsigned long flags; if (!e->allocated) return -ENODATA; + spin_lock_irqsave(&mq->lock, flags); // FIXME: what if this block has pending background work? del_queue(mq, e); h_remove(&mq->table, e); free_entry(&mq->cache_alloc, e); + spin_unlock_irqrestore(&mq->lock, flags); + return 0; } diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index fc6ad47c08b584..770bccd1fbb988 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -475,6 +475,12 @@ struct cache { mempool_t migration_pool; struct bio_set bs; + + /* + * Cache_size entries. Set bits indicate blocks mapped beyond the + * target length, which are marked for invalidation. + */ + unsigned long *invalid_bitset; }; struct per_bio_data { @@ -1518,8 +1524,10 @@ static void invalidate_complete(struct dm_cache_migration *mg, bool success) struct cache *cache = mg->cache; bio_list_init(&bios); - if (dm_cell_unlock_v2(cache->prison, mg->cell, &bios)) - free_prison_cell(cache, mg->cell); + if (mg->cell) { + if (dm_cell_unlock_v2(cache->prison, mg->cell, &bios)) + free_prison_cell(cache, mg->cell); + } if (!success && mg->overwrite_bio) bio_io_error(mg->overwrite_bio); @@ -1592,6 +1600,15 @@ static int invalidate_lock(struct dm_cache_migration *mg) READ_WRITE_LOCK_LEVEL, prealloc, &mg->cell); if (r < 0) { free_prison_cell(cache, prealloc); + + /* Defer the bio for retrying the cell lock */ + if (mg->overwrite_bio) { + struct bio *bio = mg->overwrite_bio; + + mg->overwrite_bio = NULL; + defer_bio(cache, bio); + } + invalidate_complete(mg, false); return r; } @@ -1752,6 +1769,7 @@ static int map_bio(struct cache *cache, struct bio *bio, dm_oblock_t block, bio_drop_shared_lock(cache, bio); atomic_inc(&cache->stats.demotion); invalidate_start(cache, cblock, block, bio); + return DM_MAPIO_SUBMITTED; } else remap_to_origin_clear_discard(cache, bio, block); } else { @@ -1976,6 +1994,9 @@ static void __destroy(struct cache *cache) if (cache->discard_bitset) free_bitset(cache->discard_bitset); + if (cache->invalid_bitset) + free_bitset(cache->invalid_bitset); + if (cache->copier) dm_kcopyd_client_destroy(cache->copier); @@ -2519,23 +2540,8 @@ static int cache_create(struct cache_args *ca, struct cache **result) goto bad; } - if (passthrough_mode(cache)) { - bool all_clean; - - r = dm_cache_metadata_all_clean(cache->cmd, &all_clean); - if (r) { - *error = "dm_cache_metadata_all_clean() failed"; - goto bad; - } - - if (!all_clean) { - *error = "Cannot enter passthrough mode unless all blocks are clean"; - r = -EINVAL; - goto bad; - } - + if (passthrough_mode(cache)) policy_allow_migrations(cache->policy, false); - } spin_lock_init(&cache->lock); bio_list_init(&cache->deferred_bios); @@ -2564,6 +2570,13 @@ static int cache_create(struct cache_args *ca, struct cache **result) } clear_bitset(cache->discard_bitset, from_dblock(cache->discard_nr_blocks)); + cache->invalid_bitset = alloc_bitset(from_cblock(cache->cache_size)); + if (!cache->invalid_bitset) { + *error = "could not allocate bitset for invalid blocks"; + goto bad; + } + clear_bitset(cache->invalid_bitset, from_cblock(cache->cache_size)); + cache->copier = dm_kcopyd_client_create(&dm_kcopyd_throttle); if (IS_ERR(cache->copier)) { *error = "could not create kcopyd client"; @@ -2855,6 +2868,12 @@ static int load_mapping(void *context, dm_oblock_t oblock, dm_cblock_t cblock, struct cache *cache = context; if (dirty) { + if (passthrough_mode(cache)) { + DMERR("%s: cannot enter passthrough mode unless all blocks are clean", + cache_device_name(cache)); + return -EBUSY; + } + set_bit(from_cblock(cblock), cache->dirty_bitset); atomic_inc(&cache->nr_dirty); } else @@ -2867,6 +2886,24 @@ static int load_mapping(void *context, dm_oblock_t oblock, dm_cblock_t cblock, return 0; } +static int load_filtered_mapping(void *context, dm_oblock_t oblock, dm_cblock_t cblock, + bool dirty, uint32_t hint, bool hint_valid) +{ + struct cache *cache = context; + + if (from_oblock(oblock) >= from_oblock(cache->origin_blocks)) { + if (dirty) { + DMERR("%s: unable to shrink origin; cache block %u is dirty", + cache_device_name(cache), from_cblock(cblock)); + return -EFBIG; + } + set_bit(from_cblock(cblock), cache->invalid_bitset); + return 0; + } + + return load_mapping(context, oblock, cblock, dirty, hint, hint_valid); +} + /* * The discard block size in the on disk metadata is not * neccessarily the same as we're currently using. So we have to @@ -3021,6 +3058,24 @@ static int resize_cache_dev(struct cache *cache, dm_cblock_t new_size) return 0; } +static int truncate_oblocks(struct cache *cache) +{ + uint32_t nr_blocks = from_cblock(cache->cache_size); + uint32_t i; + int r; + + for_each_set_bit(i, cache->invalid_bitset, nr_blocks) { + r = dm_cache_remove_mapping(cache->cmd, to_cblock(i)); + if (r) { + DMERR_LIMIT("%s: invalidation failed; couldn't update on disk metadata", + cache_device_name(cache)); + return r; + } + } + + return 0; +} + static int cache_preresume(struct dm_target *ti) { int r = 0; @@ -3045,11 +3100,25 @@ static int cache_preresume(struct dm_target *ti) } if (!cache->loaded_mappings) { + /* + * The fast device could have been resized since the last + * failed preresume attempt. To be safe we start by a blank + * bitset for cache blocks. + */ + clear_bitset(cache->invalid_bitset, from_cblock(cache->cache_size)); + r = dm_cache_load_mappings(cache->cmd, cache->policy, - load_mapping, cache); + load_filtered_mapping, cache); if (r) { DMERR("%s: could not load cache mappings", cache_device_name(cache)); - metadata_operation_failed(cache, "dm_cache_load_mappings", r); + if (r != -EFBIG && r != -EBUSY) + metadata_operation_failed(cache, "dm_cache_load_mappings", r); + return r; + } + + r = truncate_oblocks(cache); + if (r) { + metadata_operation_failed(cache, "dm_cache_remove_mapping", r); return r; } @@ -3499,7 +3568,7 @@ static void cache_io_hints(struct dm_target *ti, struct queue_limits *limits) static struct target_type cache_target = { .name = "cache", - .version = {2, 2, 0}, + .version = {2, 3, 0}, .module = THIS_MODULE, .ctr = cache_ctr, .dtr = cache_dtr, diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index d5c103f82ea11e..cc607c77d57fba 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -328,7 +328,7 @@ retry: up_write(&_hash_lock); - if (dev_skipped) + if (dev_skipped && !only_deferred) DMWARN("remove_all left %d open device(s)", dev_skipped); } @@ -1214,6 +1214,10 @@ static void retrieve_status(struct dm_table *table, used = param->data_start + (outptr - outbuf); outptr = align_ptr(outptr); + if (!outptr || outptr > outbuf + len) { + param->flags |= DM_BUFFER_FULL_FLAG; + break; + } spec->next = outptr - outbuf; } diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c index fe3a9473f33875..ade7e9a2b11b11 100644 --- a/drivers/md/dm-log.c +++ b/drivers/md/dm-log.c @@ -368,7 +368,7 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti, struct log_c *lc; uint32_t region_size; - unsigned int region_count; + sector_t region_count; size_t bitset_size, buf_size; int r; char dummy; @@ -397,6 +397,10 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti, } region_count = dm_sector_div_up(ti->len, region_size); + if (region_count > UINT_MAX) { + DMWARN("region count exceeds limit of %u", UINT_MAX); + return -EINVAL; + } lc = kmalloc(sizeof(*lc), GFP_KERNEL); if (!lc) { diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index a4578b3321de7e..e31f8bc86328f1 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -981,13 +981,13 @@ static struct dm_dirty_log *create_dirty_log(struct dm_target *ti, return NULL; } - *args_used = 2 + param_count; - - if (argc < *args_used) { + if (param_count > argc - 2) { ti->error = "Insufficient mirror log arguments"; return NULL; } + *args_used = 2 + param_count; + dl = dm_dirty_log_create(argv[0], ti, mirror_flush, param_count, argv + 2); if (!dl) { diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c index 41b580933f9c04..3c027b15476a3c 100644 --- a/drivers/md/dm-verity-fec.c +++ b/drivers/md/dm-verity-fec.c @@ -670,7 +670,7 @@ int verity_fec_ctr(struct dm_verity *v) { struct dm_verity_fec *f = v->fec; struct dm_target *ti = v->ti; - u64 hash_blocks, fec_blocks; + u64 hash_blocks; int ret; if (!verity_fec_is_enabled(v)) { @@ -733,7 +733,8 @@ int verity_fec_ctr(struct dm_verity *v) * it to be large enough. */ f->hash_blocks = f->blocks - v->data_blocks; - if (dm_bufio_get_device_size(v->bufio) < f->hash_blocks) { + if (dm_bufio_get_device_size(v->bufio) < + v->hash_start + f->hash_blocks) { ti->error = "Hash device is too small for " DM_VERITY_OPT_FEC_BLOCKS; return -E2BIG; @@ -754,8 +755,7 @@ int verity_fec_ctr(struct dm_verity *v) dm_bufio_set_sector_offset(f->bufio, f->start << (v->data_dev_block_bits - SECTOR_SHIFT)); - fec_blocks = div64_u64(f->rounds * f->roots, v->fec->roots << SECTOR_SHIFT); - if (dm_bufio_get_device_size(f->bufio) < fec_blocks) { + if (dm_bufio_get_device_size(f->bufio) < f->rounds * f->roots) { ti->error = "FEC device is too small"; return -E2BIG; } diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 94d3e7b27d6bf4..d024fad66e6b83 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3606,6 +3606,8 @@ static int setup_geo(struct geom *geo, struct mddev *mddev, enum geo_type new) nc = layout & 255; fc = (layout >> 8) & 255; fo = layout & (1<<16); + if (!nc || !fc) + return -1; geo->raid_disks = disks; geo->near_copies = nc; geo->far_copies = fc; diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index 4337ae0e6af2e4..eb12155b6cb5e5 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -2017,15 +2017,27 @@ r5l_recovery_verify_data_checksum_for_mb(struct r5l_log *log, return -ENOMEM; while (mb_offset < le32_to_cpu(mb->meta_size)) { + sector_t payload_len; + payload = (void *)mb + mb_offset; payload_flush = (void *)mb + mb_offset; if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_DATA) { + payload_len = sizeof(struct r5l_payload_data_parity) + + (sector_t)sizeof(__le32) * + (le32_to_cpu(payload->size) >> (PAGE_SHIFT - 9)); + if (mb_offset + payload_len > le32_to_cpu(mb->meta_size)) + goto mismatch; if (r5l_recovery_verify_data_checksum( log, ctx, page, log_offset, payload->checksum[0]) < 0) goto mismatch; } else if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_PARITY) { + payload_len = sizeof(struct r5l_payload_data_parity) + + (sector_t)sizeof(__le32) * + (le32_to_cpu(payload->size) >> (PAGE_SHIFT - 9)); + if (mb_offset + payload_len > le32_to_cpu(mb->meta_size)) + goto mismatch; if (r5l_recovery_verify_data_checksum( log, ctx, page, log_offset, payload->checksum[0]) < 0) @@ -2038,22 +2050,18 @@ r5l_recovery_verify_data_checksum_for_mb(struct r5l_log *log, payload->checksum[1]) < 0) goto mismatch; } else if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_FLUSH) { - /* nothing to do for R5LOG_PAYLOAD_FLUSH here */ + payload_len = sizeof(struct r5l_payload_flush) + + (sector_t)le32_to_cpu(payload_flush->size); + if (mb_offset + payload_len > le32_to_cpu(mb->meta_size)) + goto mismatch; } else /* not R5LOG_PAYLOAD_DATA/PARITY/FLUSH */ goto mismatch; - if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_FLUSH) { - mb_offset += sizeof(struct r5l_payload_flush) + - le32_to_cpu(payload_flush->size); - } else { - /* DATA or PARITY payload */ + if (le16_to_cpu(payload->header.type) != R5LOG_PAYLOAD_FLUSH) { log_offset = r5l_ring_add(log, log_offset, le32_to_cpu(payload->size)); - mb_offset += sizeof(struct r5l_payload_data_parity) + - sizeof(__le32) * - (le32_to_cpu(payload->size) >> (PAGE_SHIFT - 9)); } - + mb_offset += payload_len; } put_page(page); @@ -2104,6 +2112,7 @@ r5c_recovery_analyze_meta_block(struct r5l_log *log, log_offset = r5l_ring_add(log, ctx->pos, BLOCK_SECTORS); while (mb_offset < le32_to_cpu(mb->meta_size)) { + sector_t payload_len; int dd; payload = (void *)mb + mb_offset; @@ -2112,6 +2121,12 @@ r5c_recovery_analyze_meta_block(struct r5l_log *log, if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_FLUSH) { int i, count; + payload_len = sizeof(struct r5l_payload_flush) + + (sector_t)le32_to_cpu(payload_flush->size); + if (mb_offset + payload_len > + le32_to_cpu(mb->meta_size)) + return -EINVAL; + count = le32_to_cpu(payload_flush->size) / sizeof(__le64); for (i = 0; i < count; ++i) { stripe_sect = le64_to_cpu(payload_flush->flush_stripes[i]); @@ -2125,12 +2140,17 @@ r5c_recovery_analyze_meta_block(struct r5l_log *log, } } - mb_offset += sizeof(struct r5l_payload_flush) + - le32_to_cpu(payload_flush->size); + mb_offset += payload_len; continue; } /* DATA or PARITY payload */ + payload_len = sizeof(struct r5l_payload_data_parity) + + (sector_t)sizeof(__le32) * + (le32_to_cpu(payload->size) >> (PAGE_SHIFT - 9)); + if (mb_offset + payload_len > le32_to_cpu(mb->meta_size)) + return -EINVAL; + stripe_sect = (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_DATA) ? raid5_compute_sector( conf, le64_to_cpu(payload->location), 0, &dd, @@ -2195,9 +2215,7 @@ r5c_recovery_analyze_meta_block(struct r5l_log *log, log_offset = r5l_ring_add(log, log_offset, le32_to_cpu(payload->size)); - mb_offset += sizeof(struct r5l_payload_data_parity) + - sizeof(__le32) * - (le32_to_cpu(payload->size) >> (PAGE_SHIFT - 9)); + mb_offset += payload_len; } return 0; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index b1f038d71a4015..637acb8ef60d36 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -6349,7 +6349,13 @@ static int retry_aligned_read(struct r5conf *conf, struct bio *raid_bio, } if (!add_stripe_bio(sh, raid_bio, dd_idx, 0, 0)) { - raid5_release_stripe(sh); + int hash; + + spin_lock_irq(&conf->device_lock); + hash = sh->hash_lock_index; + __release_stripe(conf, sh, + &conf->temp_inactive_list[hash]); + spin_unlock_irq(&conf->device_lock); conf->retry_read_aligned = raid_bio; conf->retry_read_offset = scnt; return handled; diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c index a28cbbd9e475c9..cd1c9c2a037b62 100644 --- a/drivers/media/dvb-frontends/dib8000.c +++ b/drivers/media/dvb-frontends/dib8000.c @@ -2694,7 +2694,7 @@ static void dib8000_viterbi_state(struct dib8000_state *state, u8 onoff) static void dib8000_set_dds(struct dib8000_state *state, s32 offset_khz) { - s16 unit_khz_dds_val; + s32 unit_khz_dds_val; u32 abs_offset_khz = abs(offset_khz); u32 dds = state->cfg.pll->ifreq & 0x1ffffff; u8 invert = !!(state->cfg.pll->ifreq & (1 << 25)); @@ -2715,7 +2715,7 @@ static void dib8000_set_dds(struct dib8000_state *state, s32 offset_khz) dds = (1<<26) - dds; } else { ratio = 2; - unit_khz_dds_val = (u16) (67108864 / state->cfg.pll->internal); + unit_khz_dds_val = 67108864 / state->cfg.pll->internal; if (offset_khz < 0) unit_khz_dds_val *= -1; diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c index b975636d944019..fa2e4cca0268d8 100644 --- a/drivers/media/i2c/imx219.c +++ b/drivers/media/i2c/imx219.c @@ -1420,6 +1420,9 @@ static int imx219_probe(struct i2c_client *client) /* Request optional enable pin */ imx219->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(imx219->reset_gpio)) + return dev_err_probe(dev, PTR_ERR(imx219->reset_gpio), + "failed to get reset gpio\n"); /* * The sensor must be powered for imx219_identify_module() diff --git a/drivers/media/rc/streamzap.c b/drivers/media/rc/streamzap.c index c0a48f991d9d22..c0a0ed15efce17 100644 --- a/drivers/media/rc/streamzap.c +++ b/drivers/media/rc/streamzap.c @@ -255,9 +255,8 @@ static void streamzap_callback(struct urb *urb) case -ESHUTDOWN: /* * this urb is terminated, clean up. - * sz might already be invalid at this point */ - dev_err(sz->dev, "urb terminated, status: %d\n", urb->status); + dev_dbg(sz->dev, "urb terminated, status: %d\n", urb->status); return; default: break; @@ -398,11 +397,16 @@ static int streamzap_probe(struct usb_interface *intf, usb_set_intfdata(intf, sz); - if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) + retval = usb_submit_urb(sz->urb_in, GFP_ATOMIC); + if (retval < 0) { dev_err(sz->dev, "urb submit failed\n"); + goto rc_submit_fail; + } return 0; - +rc_submit_fail: + rc_free_device(sz->rdev); + usb_set_intfdata(intf, NULL); rc_dev_fail: usb_free_urb(sz->urb_in); free_buf_in: diff --git a/drivers/media/rc/xbox_remote.c b/drivers/media/rc/xbox_remote.c index 98d0b43608ad68..1967e3717de9c6 100644 --- a/drivers/media/rc/xbox_remote.c +++ b/drivers/media/rc/xbox_remote.c @@ -55,7 +55,7 @@ struct xbox_remote { struct usb_interface *interface; struct urb *irq_urb; - unsigned char inbuf[DATA_BUFSIZE] __aligned(sizeof(u16)); + u8 *inbuf; char rc_name[NAME_BUFSIZE]; char rc_phys[NAME_BUFSIZE]; @@ -220,6 +220,10 @@ static int xbox_remote_probe(struct usb_interface *interface, if (!xbox_remote || !rc_dev) goto exit_free_dev_rdev; + xbox_remote->inbuf = kzalloc(DATA_BUFSIZE, GFP_KERNEL); + if (!xbox_remote->inbuf) + goto exit_free_inbuf; + /* Allocate URB buffer */ xbox_remote->irq_urb = usb_alloc_urb(0, GFP_KERNEL); if (!xbox_remote->irq_urb) @@ -266,6 +270,8 @@ exit_kill_urbs: usb_kill_urb(xbox_remote->irq_urb); exit_free_buffers: usb_free_urb(xbox_remote->irq_urb); +exit_free_inbuf: + kfree(xbox_remote->inbuf); exit_free_dev_rdev: rc_free_device(rc_dev); kfree(xbox_remote); @@ -290,6 +296,7 @@ static void xbox_remote_disconnect(struct usb_interface *interface) usb_kill_urb(xbox_remote->irq_urb); rc_unregister_device(xbox_remote->rdev); usb_free_urb(xbox_remote->irq_urb); + kfree(xbox_remote->inbuf); kfree(xbox_remote); } diff --git a/drivers/media/test-drivers/vidtv/vidtv_bridge.c b/drivers/media/test-drivers/vidtv/vidtv_bridge.c index 60a7667ebff988..c0ad7bdbbbd1a3 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_bridge.c +++ b/drivers/media/test-drivers/vidtv/vidtv_bridge.c @@ -235,8 +235,10 @@ static int vidtv_start_feed(struct dvb_demux_feed *feed) if (dvb->nfeeds == 1) { ret = vidtv_start_streaming(dvb); - if (ret < 0) + if (ret < 0) { + dvb->nfeeds--; rc = ret; + } } mutex_unlock(&dvb->feed_lock); diff --git a/drivers/media/test-drivers/vidtv/vidtv_channel.c b/drivers/media/test-drivers/vidtv/vidtv_channel.c index 3541155c6fc635..aa177cf96b6ac6 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_channel.c +++ b/drivers/media/test-drivers/vidtv/vidtv_channel.c @@ -341,6 +341,10 @@ vidtv_channel_pmt_match_sections(struct vidtv_channel *channels, tail = vidtv_psi_pmt_stream_init(tail, s->type, e_pid); + if (!tail) { + vidtv_psi_pmt_stream_destroy(head); + return; + } if (!head) head = tail; diff --git a/drivers/media/test-drivers/vidtv/vidtv_mux.c b/drivers/media/test-drivers/vidtv/vidtv_mux.c index f99878eff7acea..7dad97881fdb04 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_mux.c +++ b/drivers/media/test-drivers/vidtv/vidtv_mux.c @@ -233,7 +233,7 @@ static u32 vidtv_mux_push_pcr(struct vidtv_mux *m) /* the 27Mhz clock will feed both parts of the PCR bitfield */ args.pcr = m->timing.clk; - nbytes += vidtv_ts_pcr_write_into(args); + nbytes += vidtv_ts_pcr_write_into(&args); m->mux_buf_offset += nbytes; m->num_streamed_pcr++; @@ -363,7 +363,7 @@ static u32 vidtv_mux_pad_with_nulls(struct vidtv_mux *m, u32 npkts) args.continuity_counter = &ctx->cc; for (i = 0; i < npkts; ++i) { - m->mux_buf_offset += vidtv_ts_null_write_into(args); + m->mux_buf_offset += vidtv_ts_null_write_into(&args); args.dest_offset = m->mux_buf_offset; } diff --git a/drivers/media/test-drivers/vidtv/vidtv_ts.c b/drivers/media/test-drivers/vidtv/vidtv_ts.c index ca4bb9c40b78ef..cbe9aff9ffb564 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_ts.c +++ b/drivers/media/test-drivers/vidtv/vidtv_ts.c @@ -48,7 +48,7 @@ void vidtv_ts_inc_cc(u8 *continuity_counter) *continuity_counter = 0; } -u32 vidtv_ts_null_write_into(struct null_packet_write_args args) +u32 vidtv_ts_null_write_into(const struct null_packet_write_args *args) { u32 nbytes = 0; struct vidtv_mpeg_ts ts_header = {}; @@ -56,21 +56,21 @@ u32 vidtv_ts_null_write_into(struct null_packet_write_args args) ts_header.sync_byte = TS_SYNC_BYTE; ts_header.bitfield = cpu_to_be16(TS_NULL_PACKET_PID); ts_header.payload = 1; - ts_header.continuity_counter = *args.continuity_counter; + ts_header.continuity_counter = *args->continuity_counter; /* copy TS header */ - nbytes += vidtv_memcpy(args.dest_buf, - args.dest_offset + nbytes, - args.buf_sz, + nbytes += vidtv_memcpy(args->dest_buf, + args->dest_offset + nbytes, + args->buf_sz, &ts_header, sizeof(ts_header)); - vidtv_ts_inc_cc(args.continuity_counter); + vidtv_ts_inc_cc(args->continuity_counter); /* fill the rest with empty data */ - nbytes += vidtv_memset(args.dest_buf, - args.dest_offset + nbytes, - args.buf_sz, + nbytes += vidtv_memset(args->dest_buf, + args->dest_offset + nbytes, + args->buf_sz, TS_FILL_BYTE, TS_PACKET_LEN - nbytes); @@ -83,17 +83,17 @@ u32 vidtv_ts_null_write_into(struct null_packet_write_args args) return nbytes; } -u32 vidtv_ts_pcr_write_into(struct pcr_write_args args) +u32 vidtv_ts_pcr_write_into(const struct pcr_write_args *args) { u32 nbytes = 0; struct vidtv_mpeg_ts ts_header = {}; struct vidtv_mpeg_ts_adaption ts_adap = {}; ts_header.sync_byte = TS_SYNC_BYTE; - ts_header.bitfield = cpu_to_be16(args.pid); + ts_header.bitfield = cpu_to_be16(args->pid); ts_header.scrambling = 0; /* cc is not incremented, but it is needed. see 13818-1 clause 2.4.3.3 */ - ts_header.continuity_counter = *args.continuity_counter; + ts_header.continuity_counter = *args->continuity_counter; ts_header.payload = 0; ts_header.adaptation_field = 1; @@ -102,27 +102,27 @@ u32 vidtv_ts_pcr_write_into(struct pcr_write_args args) ts_adap.PCR = 1; /* copy TS header */ - nbytes += vidtv_memcpy(args.dest_buf, - args.dest_offset + nbytes, - args.buf_sz, + nbytes += vidtv_memcpy(args->dest_buf, + args->dest_offset + nbytes, + args->buf_sz, &ts_header, sizeof(ts_header)); /* write the adap after the TS header */ - nbytes += vidtv_memcpy(args.dest_buf, - args.dest_offset + nbytes, - args.buf_sz, + nbytes += vidtv_memcpy(args->dest_buf, + args->dest_offset + nbytes, + args->buf_sz, &ts_adap, sizeof(ts_adap)); /* write the PCR optional */ - nbytes += vidtv_ts_write_pcr_bits(args.dest_buf, - args.dest_offset + nbytes, - args.pcr); + nbytes += vidtv_ts_write_pcr_bits(args->dest_buf, + args->dest_offset + nbytes, + args->pcr); - nbytes += vidtv_memset(args.dest_buf, - args.dest_offset + nbytes, - args.buf_sz, + nbytes += vidtv_memset(args->dest_buf, + args->dest_offset + nbytes, + args->buf_sz, TS_FILL_BYTE, TS_PACKET_LEN - nbytes); diff --git a/drivers/media/test-drivers/vidtv/vidtv_ts.h b/drivers/media/test-drivers/vidtv/vidtv_ts.h index f5e8e1f37f0521..5e8a3ee0106a4d 100644 --- a/drivers/media/test-drivers/vidtv/vidtv_ts.h +++ b/drivers/media/test-drivers/vidtv/vidtv_ts.h @@ -91,7 +91,7 @@ void vidtv_ts_inc_cc(u8 *continuity_counter); * * Return: The number of bytes written into the buffer. */ -u32 vidtv_ts_null_write_into(struct null_packet_write_args args); +u32 vidtv_ts_null_write_into(const struct null_packet_write_args *args); /** * vidtv_ts_pcr_write_into - Write a PCR packet into a buffer. @@ -102,6 +102,6 @@ u32 vidtv_ts_null_write_into(struct null_packet_write_args args); * * Return: The number of bytes written into the buffer. */ -u32 vidtv_ts_pcr_write_into(struct pcr_write_args args); +u32 vidtv_ts_pcr_write_into(const struct pcr_write_args *args); #endif //VIDTV_TS_H diff --git a/drivers/media/usb/as102/as102_usb_drv.c b/drivers/media/usb/as102/as102_usb_drv.c index 50419e8ae56c57..07f6d0331e4d9f 100644 --- a/drivers/media/usb/as102/as102_usb_drv.c +++ b/drivers/media/usb/as102/as102_usb_drv.c @@ -405,7 +405,9 @@ static int as102_usb_probe(struct usb_interface *intf, failed_dvb: as102_free_usb_stream_buffer(as102_dev); failed_stream: + usb_set_intfdata(intf, NULL); usb_deregister_dev(intf, &as102_usb_class_driver); + return ret; failed: usb_put_dev(as102_dev->bus_adap.usb_dev); usb_set_intfdata(intf, NULL); diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c index 6b84c3413e83bf..b086b2abf082e2 100644 --- a/drivers/media/usb/em28xx/em28xx-video.c +++ b/drivers/media/usb/em28xx/em28xx-video.c @@ -2136,7 +2136,7 @@ static int em28xx_v4l2_open(struct file *filp) { struct video_device *vdev = video_devdata(filp); struct em28xx *dev = video_drvdata(filp); - struct em28xx_v4l2 *v4l2 = dev->v4l2; + struct em28xx_v4l2 *v4l2; enum v4l2_buf_type fh_type = 0; int ret; @@ -2153,13 +2153,19 @@ static int em28xx_v4l2_open(struct file *filp) return -EINVAL; } + if (mutex_lock_interruptible(&dev->lock)) + return -ERESTARTSYS; + + v4l2 = dev->v4l2; + if (!v4l2) { + mutex_unlock(&dev->lock); + return -ENODEV; + } + em28xx_videodbg("open dev=%s type=%s users=%d\n", video_device_node_name(vdev), v4l2_type_names[fh_type], v4l2->users); - if (mutex_lock_interruptible(&dev->lock)) - return -ERESTARTSYS; - ret = v4l2_fh_open(filp); if (ret) { dev_err(&dev->intf->dev, diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c index cec841ad749521..6872e7c7634ee2 100644 --- a/drivers/media/usb/hackrf/hackrf.c +++ b/drivers/media/usb/hackrf/hackrf.c @@ -1488,7 +1488,7 @@ static int hackrf_probe(struct usb_interface *intf, if (ret) { dev_err(dev->dev, "Failed to register as video device (%d)\n", ret); - goto err_v4l2_device_unregister; + goto err_v4l2_device_put; } dev_info(dev->dev, "Registered as %s\n", video_device_node_name(&dev->rx_vdev)); @@ -1517,8 +1517,9 @@ static int hackrf_probe(struct usb_interface *intf, return 0; err_video_unregister_device_rx: video_unregister_device(&dev->rx_vdev); -err_v4l2_device_unregister: - v4l2_device_unregister(&dev->v4l2_dev); +err_v4l2_device_put: + v4l2_device_put(&dev->v4l2_dev); + return ret; err_v4l2_ctrl_handler_free_tx: v4l2_ctrl_handler_free(&dev->tx_ctrl_handler); err_v4l2_ctrl_handler_free_rx: diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 419fbdbb7a3b8f..c2adc6854c5400 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -1032,7 +1032,7 @@ error: return ret; } -static struct uvc_entity *uvc_alloc_entity(u16 type, u8 id, +static struct uvc_entity *uvc_alloc_entity(u16 type, u16 id, unsigned int num_pads, unsigned int extra_size) { struct uvc_entity *entity; diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c index 6a9fdd32cfb864..9cc8b2a45891f8 100644 --- a/drivers/media/usb/uvc/uvc_queue.c +++ b/drivers/media/usb/uvc/uvc_queue.c @@ -222,7 +222,7 @@ int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, int ret; queue->queue.type = type; - queue->queue.io_modes = VB2_MMAP | VB2_USERPTR; + queue->queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; queue->queue.drv_priv = queue; queue->queue.buf_struct_size = sizeof(struct uvc_buffer); queue->queue.mem_ops = &vb2_vmalloc_memops; @@ -235,7 +235,6 @@ int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, queue->queue.ops = &uvc_meta_queue_qops; break; default: - queue->queue.io_modes |= VB2_DMABUF; queue->queue.ops = &uvc_queue_qops; break; } diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index 60a8749c97a9d4..a83995276170b0 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -302,7 +302,12 @@ struct uvc_entity { * chain. */ unsigned int flags; - u8 id; + /* + * Entities exposed by the UVC device use IDs 0-255, extra entities + * implemented by the driver (such as the GPIO entity) use IDs 256 and + * up. + */ + u16 id; u16 type; char name[64]; diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c index dae816e840a96f..f5218fea69ed99 100644 --- a/drivers/memory/tegra/tegra124-emc.c +++ b/drivers/memory/tegra/tegra124-emc.c @@ -578,7 +578,7 @@ int tegra_emc_prepare_timing_change(struct tegra_emc *emc, if ((last->emc_mode_1 & 0x1) == (timing->emc_mode_1 & 0x1)) dll_change = DLL_CHANGE_NONE; - else if (timing->emc_mode_1 & 0x1) + else if (!(timing->emc_mode_1 & 0x1)) dll_change = DLL_CHANGE_ON; else dll_change = DLL_CHANGE_OFF; diff --git a/drivers/memory/tegra/tegra30-emc.c b/drivers/memory/tegra/tegra30-emc.c index 1bd6d3d827aa97..464cdc702754c0 100644 --- a/drivers/memory/tegra/tegra30-emc.c +++ b/drivers/memory/tegra/tegra30-emc.c @@ -513,14 +513,14 @@ static int emc_prepare_timing_change(struct tegra_emc *emc, unsigned long rate) emc->emc_cfg = readl_relaxed(emc->regs + EMC_CFG); emc_dbg = readl_relaxed(emc->regs + EMC_DBG); - if (emc->dll_on == !!(timing->emc_mode_1 & 0x1)) + if (emc->dll_on == !(timing->emc_mode_1 & 0x1)) dll_change = DLL_CHANGE_NONE; - else if (timing->emc_mode_1 & 0x1) + else if (!(timing->emc_mode_1 & 0x1)) dll_change = DLL_CHANGE_ON; else dll_change = DLL_CHANGE_OFF; - emc->dll_on = !!(timing->emc_mode_1 & 0x1); + emc->dll_on = !(timing->emc_mode_1 & 0x1); if (timing->data[80] && !readl_relaxed(emc->regs + EMC_ZCAL_INTERVAL)) emc->zcal_long = true; diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c index e281a9202f110f..a2b016a9eeae6f 100644 --- a/drivers/mfd/mc13xxx-core.c +++ b/drivers/mfd/mc13xxx-core.c @@ -377,7 +377,7 @@ static int mc13xxx_add_subdevice_pdata(struct mc13xxx *mc13xxx, if (snprintf(buf, sizeof(buf), format, name) > sizeof(buf)) return -E2BIG; - cell.name = kmemdup(buf, strlen(buf) + 1, GFP_KERNEL); + cell.name = devm_kmemdup(mc13xxx->dev, buf, strlen(buf) + 1, GFP_KERNEL); if (!cell.name) return -ENOMEM; diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c index 35fec1bf1b3dd7..e3d4acb49af215 100644 --- a/drivers/misc/ibmasm/ibmasmfs.c +++ b/drivers/misc/ibmasm/ibmasmfs.c @@ -303,6 +303,8 @@ static ssize_t command_file_write(struct file *file, const char __user *ubuff, s return -EINVAL; if (count == 0 || count > IBMASM_CMD_MAX_BUFFER_SIZE) return 0; + if (count < sizeof(struct dot_command_header)) + return -EINVAL; if (*offset != 0) return 0; @@ -319,6 +321,11 @@ static ssize_t command_file_write(struct file *file, const char __user *ubuff, s return -EFAULT; } + if (count < get_dot_command_size(cmd->buffer)) { + command_put(cmd); + return -EINVAL; + } + spin_lock_irqsave(&command_data->sp->lock, flags); if (command_data->command) { spin_unlock_irqrestore(&command_data->sp->lock, flags); diff --git a/drivers/misc/ibmasm/lowlevel.c b/drivers/misc/ibmasm/lowlevel.c index 6922dc6c10db08..5313230f36ad4d 100644 --- a/drivers/misc/ibmasm/lowlevel.c +++ b/drivers/misc/ibmasm/lowlevel.c @@ -19,17 +19,21 @@ static struct i2o_header header = I2O_HEADER_TEMPLATE; int ibmasm_send_i2o_message(struct service_processor *sp) { u32 mfa; - unsigned int command_size; + size_t command_size; struct i2o_message *message; struct command *command = sp->current_command; + command_size = get_dot_command_size(command->buffer); + if (command_size > command->buffer_size) + return 1; + if (command_size > I2O_COMMAND_SIZE) + command_size = I2O_COMMAND_SIZE; + mfa = get_mfa_inbound(sp->base_address); if (!mfa) return 1; - command_size = get_dot_command_size(command->buffer); - header.message_size = outgoing_message_size(command_size); - + header.message_size = outgoing_message_size((unsigned int)command_size); message = get_i2o_message(sp->base_address, mfa); memcpy_toio(&message->header, &header, sizeof(struct i2o_header)); diff --git a/drivers/misc/ibmasm/remote.c b/drivers/misc/ibmasm/remote.c index ec816d3b38cbd4..521531738c9af3 100644 --- a/drivers/misc/ibmasm/remote.c +++ b/drivers/misc/ibmasm/remote.c @@ -177,6 +177,11 @@ void ibmasm_handle_mouse_interrupt(struct service_processor *sp) writer = get_queue_writer(sp); while (reader != writer) { + if (reader >= REMOTE_QUEUE_SIZE || writer >= REMOTE_QUEUE_SIZE) { + set_queue_reader(sp, 0); + break; + } + memcpy_fromio(&input, get_queue_entry(sp, reader), sizeof(struct remote_input)); diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 71ecdb13477a5a..e5506c793b6bd9 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -1316,6 +1316,9 @@ static void mmc_blk_data_prep(struct mmc_queue *mq, struct mmc_queue_req *mqrq, rq_data_dir(req) == WRITE && (md->flags & MMC_BLK_REL_WR); + if (mqrq->flags & MQRQ_XFER_SINGLE_BLOCK) + recovery_mode = 1; + memset(brq, 0, sizeof(struct mmc_blk_request)); brq->mrq.data = &brq->data; @@ -1453,10 +1456,13 @@ static void mmc_blk_cqe_complete_rq(struct mmc_queue *mq, struct request *req) err = 0; if (err) { - if (mqrq->retries++ < MMC_CQE_RETRIES) + if (mqrq->retries++ < MMC_CQE_RETRIES) { + if (rq_data_dir(req) == WRITE) + mqrq->flags |= MQRQ_XFER_SINGLE_BLOCK; blk_mq_requeue_request(req, true); - else + } else { blk_mq_end_request(req, BLK_STS_IOERR); + } } else if (mrq->data) { if (blk_update_request(req, BLK_STS_OK, mrq->data->bytes_xfered)) blk_mq_requeue_request(req, true); @@ -1941,6 +1947,8 @@ static void mmc_blk_mq_complete_rq(struct mmc_queue *mq, struct request *req) } else if (!blk_rq_bytes(req)) { __blk_mq_end_request(req, BLK_STS_IOERR); } else if (mqrq->retries++ < MMC_MAX_RETRIES) { + if (rq_data_dir(req) == WRITE) + mqrq->flags |= MQRQ_XFER_SINGLE_BLOCK; blk_mq_requeue_request(req, true); } else { if (mmc_card_removed(mq->card)) diff --git a/drivers/mmc/core/queue.h b/drivers/mmc/core/queue.h index fd11491ced9f41..0283dadfb90b8a 100644 --- a/drivers/mmc/core/queue.h +++ b/drivers/mmc/core/queue.h @@ -61,6 +61,8 @@ enum mmc_drv_op { MMC_DRV_OP_GET_EXT_CSD, }; +#define MQRQ_XFER_SINGLE_BLOCK BIT(0) + struct mmc_queue_req { struct mmc_blk_request brq; struct scatterlist *sg; @@ -69,6 +71,7 @@ struct mmc_queue_req { void *drv_op_data; unsigned int ioc_count; int retries; + u32 flags; }; struct mmc_queue { diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c index fa42473d04c1bf..378239c7513e07 100644 --- a/drivers/mtd/devices/docg3.c +++ b/drivers/mtd/devices/docg3.c @@ -2042,7 +2042,6 @@ err_probe: static int docg3_release(struct platform_device *pdev) { struct docg3_cascade *cascade = platform_get_drvdata(pdev); - struct docg3 *docg3 = cascade->floors[0]->priv; int floor; doc_unregister_sysfs(pdev, cascade); @@ -2050,7 +2049,7 @@ static int docg3_release(struct platform_device *pdev) if (cascade->floors[floor]) doc_release_device(cascade->floors[floor]); - bch_free(docg3->cascade->bch); + bch_free(cascade->bch); return 0; } diff --git a/drivers/mtd/maps/physmap-gemini.c b/drivers/mtd/maps/physmap-gemini.c index d4a46e159d38f6..8d5b791dd08d47 100644 --- a/drivers/mtd/maps/physmap-gemini.c +++ b/drivers/mtd/maps/physmap-gemini.c @@ -181,7 +181,7 @@ int of_flash_probe_gemini(struct platform_device *pdev, dev_err(dev, "no enabled pin control state\n"); gf->disabled_state = pinctrl_lookup_state(gf->p, "disabled"); - if (IS_ERR(gf->enabled_state)) { + if (IS_ERR(gf->disabled_state)) { dev_err(dev, "no disabled pin control state\n"); } else { ret = pinctrl_select_state(gf->p, gf->disabled_state); diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c index 782190531f2f05..7ace279778db17 100644 --- a/drivers/mtd/nand/raw/sunxi_nand.c +++ b/drivers/mtd/nand/raw/sunxi_nand.c @@ -887,9 +887,9 @@ static void sunxi_nfc_hw_ecc_read_extra_oob(struct nand_chip *nand, if (len <= 0) return; - if (!cur_off || *cur_off != offset) - nand_change_read_column_op(nand, mtd->writesize, NULL, 0, - false); + if (!cur_off || *cur_off != (offset + mtd->writesize)) + nand_change_read_column_op(nand, mtd->writesize + offset, + NULL, 0, false); if (!randomize) sunxi_nfc_read_buf(nand, oob + offset, len); diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c index 826f912ea820db..b3ed3447c84cb2 100644 --- a/drivers/net/bareudp.c +++ b/drivers/net/bareudp.c @@ -317,8 +317,10 @@ static int bareudp_xmit_skb(struct sk_buff *skb, struct net_device *dev, if (!sock) return -ESHUTDOWN; - rt = ip_route_output_tunnel(skb, dev, bareudp->net, &saddr, info, - IPPROTO_UDP, use_cache); + rt = udp_tunnel_dst_lookup(skb, dev, bareudp->net, 0, &saddr, &info->key, + 0, 0, key->tos, + use_cache ? + (struct dst_cache *)&info->dst_cache : NULL); if (IS_ERR(rt)) return PTR_ERR(rt); @@ -383,8 +385,8 @@ static int bareudp6_xmit_skb(struct sk_buff *skb, struct net_device *dev, if (!sock) return -ESHUTDOWN; - dst = ip6_dst_lookup_tunnel(skb, dev, bareudp->net, sock, &saddr, info, - IPPROTO_UDP, use_cache); + dst = udp_tunnel6_dst_lookup(skb, dev, bareudp->net, sock, &saddr, info, + IPPROTO_UDP, use_cache); if (IS_ERR(dst)) return PTR_ERR(dst); @@ -497,8 +499,9 @@ static int bareudp_fill_metadata_dst(struct net_device *dev, struct rtable *rt; __be32 saddr; - rt = ip_route_output_tunnel(skb, dev, bareudp->net, &saddr, - info, IPPROTO_UDP, use_cache); + rt = udp_tunnel_dst_lookup(skb, dev, bareudp->net, 0, &saddr, + &info->key, 0, 0, info->key.tos, + use_cache ? &info->dst_cache : NULL); if (IS_ERR(rt)) return PTR_ERR(rt); @@ -509,9 +512,12 @@ static int bareudp_fill_metadata_dst(struct net_device *dev, struct in6_addr saddr; struct socket *sock = rcu_dereference(bareudp->sock); - dst = ip6_dst_lookup_tunnel(skb, dev, bareudp->net, sock, - &saddr, info, IPPROTO_UDP, - use_cache); + if (!sock) + return -ESHUTDOWN; + + dst = udp_tunnel6_dst_lookup(skb, dev, bareudp->net, sock, + &saddr, info, IPPROTO_UDP, + use_cache); if (IS_ERR(dst)) return PTR_ERR(dst); diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index b06b15debafaca..e4d5f60f13f477 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -1218,7 +1218,11 @@ static int mcp251x_open(struct net_device *net) } mutex_lock(&priv->mcp_lock); - mcp251x_power_enable(priv->transceiver, 1); + ret = mcp251x_power_enable(priv->transceiver, 1); + if (ret) { + dev_err(&spi->dev, "failed to enable transceiver power: %pe\n", ERR_PTR(ret)); + goto out_close_candev; + } priv->force_quit = 0; priv->tx_skb = NULL; @@ -1267,6 +1271,7 @@ out_free_irq: mcp251x_hw_sleep(spi); out_close: mcp251x_power_enable(priv->transceiver, 0); +out_close_candev: close_candev(net); mutex_unlock(&priv->mcp_lock); if (release_irq) @@ -1505,11 +1510,25 @@ static int __maybe_unused mcp251x_can_resume(struct device *dev) { struct spi_device *spi = to_spi_device(dev); struct mcp251x_priv *priv = spi_get_drvdata(spi); + int ret = 0; - if (priv->after_suspend & AFTER_SUSPEND_POWER) - mcp251x_power_enable(priv->power, 1); - if (priv->after_suspend & AFTER_SUSPEND_UP) - mcp251x_power_enable(priv->transceiver, 1); + if (priv->after_suspend & AFTER_SUSPEND_POWER) { + ret = mcp251x_power_enable(priv->power, 1); + if (ret) { + dev_err(dev, "failed to restore power: %pe\n", ERR_PTR(ret)); + return ret; + } + } + + if (priv->after_suspend & AFTER_SUSPEND_UP) { + ret = mcp251x_power_enable(priv->transceiver, 1); + if (ret) { + dev_err(dev, "failed to restore transceiver power: %pe\n", ERR_PTR(ret)); + if (priv->after_suspend & AFTER_SUSPEND_POWER) + mcp251x_power_enable(priv->power, 0); + return ret; + } + } if (priv->after_suspend & (AFTER_SUSPEND_POWER | AFTER_SUSPEND_UP)) queue_work(priv->wq, &priv->restart_work); diff --git a/drivers/net/dsa/sja1105/sja1105_static_config.c b/drivers/net/dsa/sja1105/sja1105_static_config.c index 139b7b4fbd0d52..a348705174fa50 100644 --- a/drivers/net/dsa/sja1105/sja1105_static_config.c +++ b/drivers/net/dsa/sja1105/sja1105_static_config.c @@ -1439,8 +1439,10 @@ int sja1105_table_delete_entry(struct sja1105_table *table, int i) if (i > table->entry_count) return -ERANGE; - memmove(entries + i * entry_size, entries + (i + 1) * entry_size, - (table->entry_count - i) * entry_size); + if (i + 1 < table->entry_count) { + memmove(entries + i * entry_size, entries + (i + 1) * entry_size, + (table->entry_count - i - 1) * entry_size); + } table->entry_count--; diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c index a0ce213c473bc6..f5080cc6266f9d 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c @@ -380,7 +380,7 @@ static void aq_pci_shutdown(struct pci_dev *pdev) pci_disable_device(pdev); if (system_state == SYSTEM_POWER_OFF) { - pci_wake_from_d3(pdev, false); + pci_wake_from_d3(pdev, self->aq_hw->aq_nic_cfg->wol); pci_set_power_state(pdev, PCI_D3hot); } } diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c index 67409a53d5100f..a406e8ac2f6122 100644 --- a/drivers/net/ethernet/atheros/ag71xx.c +++ b/drivers/net/ethernet/atheros/ag71xx.c @@ -1922,6 +1922,9 @@ static int ag71xx_probe(struct platform_device *pdev) return -ENOMEM; ndev->irq = platform_get_irq(pdev, 0); + if (ndev->irq < 0) + return ndev->irq; + err = devm_request_irq(&pdev->dev, ndev->irq, ag71xx_interrupt, 0x0, dev_name(&pdev->dev), ndev); if (err) { diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index 2fc21aae1004ee..966ddf52967d8c 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1271,13 +1271,12 @@ void bcmgenet_eee_enable_set(struct net_device *dev, bool enable, reg &= ~(TBUF_EEE_EN | TBUF_PM_EN); bcmgenet_writel(reg, priv->base + off); - /* Do the same for thing for RBUF */ + /* RBUF EEE/PM can break the RX path on GENET. Keep it disabled. */ reg = bcmgenet_rbuf_readl(priv, RBUF_ENERGY_CTRL); - if (enable) - reg |= RBUF_EEE_EN | RBUF_PM_EN; - else + if (reg & (RBUF_EEE_EN | RBUF_PM_EN)) { reg &= ~(RBUF_EEE_EN | RBUF_PM_EN); - bcmgenet_rbuf_writel(priv, reg, RBUF_ENERGY_CTRL); + bcmgenet_rbuf_writel(priv, reg, RBUF_ENERGY_CTRL); + } if (!enable && priv->clk_eee_enabled) { clk_disable_unprepare(priv->clk_eee); @@ -1696,15 +1695,15 @@ static struct enet_cb *bcmgenet_put_txcb(struct bcmgenet_priv *priv, { struct enet_cb *tx_cb_ptr; - tx_cb_ptr = ring->cbs; - tx_cb_ptr += ring->write_ptr - ring->cb_ptr; - /* Rewinding local write pointer */ if (ring->write_ptr == ring->cb_ptr) ring->write_ptr = ring->end_ptr; else ring->write_ptr--; + tx_cb_ptr = ring->cbs; + tx_cb_ptr += ring->write_ptr - ring->cb_ptr; + return tx_cb_ptr; } diff --git a/drivers/net/ethernet/cirrus/cs89x0.c b/drivers/net/ethernet/cirrus/cs89x0.c index 33ace330705935..77af8ace4d7b19 100644 --- a/drivers/net/ethernet/cirrus/cs89x0.c +++ b/drivers/net/ethernet/cirrus/cs89x0.c @@ -1270,7 +1270,6 @@ static const struct net_device_ops net_ops = { static void __init reset_chip(struct net_device *dev) { -#if !defined(CONFIG_MACH_MX31ADS) struct net_local *lp = netdev_priv(dev); unsigned long reset_start_time; @@ -1297,7 +1296,6 @@ static void __init reset_chip(struct net_device *dev) while ((readreg(dev, PP_SelfST) & INIT_DONE) == 0 && time_before(jiffies, reset_start_time + 2)) ; -#endif /* !CONFIG_MACH_MX31ADS */ } /* This is the real probe routine. diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index 04a034cd5183f2..3e93d1115f1aa3 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -121,6 +121,9 @@ struct gemini_ethernet_port { struct napi_struct napi; struct hrtimer rx_coalesce_timer; unsigned int rx_coalesce_nsecs; + struct sk_buff *rx_skb; + unsigned int rx_frag_nr; + unsigned int freeq_refill; struct gmac_txq txq[TX_QUEUE_NUM]; unsigned int txq_order; @@ -1412,10 +1415,11 @@ static unsigned int gmac_rx(struct net_device *netdev, unsigned int budget) unsigned short m = (1 << port->rxq_order) - 1; struct gemini_ethernet *geth = port->geth; void __iomem *ptr_reg = port->rxq_rwptr; + unsigned int frag_nr = port->rx_frag_nr; + struct sk_buff *skb = port->rx_skb; unsigned int frame_len, frag_len; struct gmac_rxdesc *rx = NULL; struct gmac_queue_page *gpage; - static struct sk_buff *skb; union gmac_rxdesc_0 word0; union gmac_rxdesc_1 word1; union gmac_rxdesc_3 word3; @@ -1425,7 +1429,6 @@ static unsigned int gmac_rx(struct net_device *netdev, unsigned int budget) unsigned short r, w; union dma_rwptr rw; dma_addr_t mapping; - int frag_nr = 0; spin_lock_irqsave(&geth->irq_lock, flags); rw.bits32 = readl(ptr_reg); @@ -1461,6 +1464,12 @@ static unsigned int gmac_rx(struct net_device *netdev, unsigned int budget) gpage = gmac_get_queue_page(geth, port, mapping + PAGE_SIZE); if (!gpage) { dev_err(geth->dev, "could not find mapping\n"); + if (skb) { + napi_free_frags(&port->napi); + port->stats.rx_dropped++; + skb = NULL; + frag_nr = 0; + } continue; } page = gpage->page; @@ -1469,6 +1478,8 @@ static unsigned int gmac_rx(struct net_device *netdev, unsigned int budget) if (skb) { napi_free_frags(&port->napi); port->stats.rx_dropped++; + skb = NULL; + frag_nr = 0; } skb = gmac_skb_if_good_frame(port, word0, frame_len); @@ -1503,6 +1514,7 @@ static unsigned int gmac_rx(struct net_device *netdev, unsigned int budget) if (word3.bits32 & EOF_BIT) { napi_gro_frags(&port->napi); skb = NULL; + frag_nr = 0; --budget; } continue; @@ -1511,6 +1523,7 @@ err_drop: if (skb) { napi_free_frags(&port->napi); skb = NULL; + frag_nr = 0; } if (mapping) @@ -1519,6 +1532,8 @@ err_drop: port->stats.rx_dropped++; } + port->rx_skb = skb; + port->rx_frag_nr = frag_nr; writew(r, ptr_reg); return budget; } @@ -1847,6 +1862,8 @@ static int gmac_stop(struct net_device *netdev) gmac_disable_tx_rx(netdev); gmac_stop_dma(port); napi_disable(&port->napi); + port->rx_skb = NULL; + port->rx_frag_nr = 0; gmac_enable_irq(netdev, 0); gmac_cleanup_rxq(netdev); diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index d80f155574c676..401bab4c0babeb 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -1620,6 +1620,27 @@ static int ibmveth_set_mac_addr(struct net_device *dev, void *p) return 0; } +static netdev_features_t ibmveth_features_check(struct sk_buff *skb, + struct net_device *dev, + netdev_features_t features) +{ + /* Some physical adapters do not support segmentation offload with + * MSS < 224. Disable GSO for such packets to avoid adapter freeze. + * Note: Single-segment packets (gso_segs == 1) don't need this check + * as they bypass the LSO path and are transmitted without segmentation. + */ + if (skb_is_gso(skb)) { + if (skb_shinfo(skb)->gso_size < IBMVETH_MIN_LSO_MSS) { + netdev_warn_once(dev, + "MSS %u too small for LSO, disabling GSO\n", + skb_shinfo(skb)->gso_size); + features &= ~NETIF_F_GSO_MASK; + } + } + + return vlan_features_check(skb, features); +} + static const struct net_device_ops ibmveth_netdev_ops = { .ndo_open = ibmveth_open, .ndo_stop = ibmveth_close, @@ -1631,6 +1652,7 @@ static const struct net_device_ops ibmveth_netdev_ops = { .ndo_set_features = ibmveth_set_features, .ndo_validate_addr = eth_validate_addr, .ndo_set_mac_address = ibmveth_set_mac_addr, + .ndo_features_check = ibmveth_features_check, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = ibmveth_poll_controller, #endif diff --git a/drivers/net/ethernet/ibm/ibmveth.h b/drivers/net/ethernet/ibm/ibmveth.h index 27dfff2001662c..2b364974bf0961 100644 --- a/drivers/net/ethernet/ibm/ibmveth.h +++ b/drivers/net/ethernet/ibm/ibmveth.h @@ -36,6 +36,7 @@ #define IBMVETH_ILLAN_IPV4_TCP_CSUM 0x0000000000000002UL #define IBMVETH_ILLAN_ACTIVE_TRUNK 0x0000000000000001UL +#define IBMVETH_MIN_LSO_MSS 224 /* Minimum MSS for LSO */ /* hcall macros */ #define h_register_logical_lan(ua, buflst, rxq, fltlst, mac) \ plpar_hcall_norets(H_REGISTER_LOGICAL_LAN, ua, buflst, rxq, fltlst, mac) diff --git a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c index f976e9daa3d882..3a06834e57221f 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c +++ b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c @@ -496,14 +496,19 @@ static int e1000_set_eeprom(struct net_device *netdev, */ ret_val = e1000_read_eeprom(hw, first_word, 1, &eeprom_buff[0]); + if (ret_val) + goto out; + ptr++; } - if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) { + if ((eeprom->offset + eeprom->len) & 1) { /* need read/modify/write of last changed EEPROM word * only the first byte of the word is being modified */ ret_val = e1000_read_eeprom(hw, last_word, 1, &eeprom_buff[last_word - first_word]); + if (ret_val) + goto out; } /* Device's eeprom is always little-endian, word addressable */ @@ -522,6 +527,7 @@ static int e1000_set_eeprom(struct net_device *netdev, if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG)) e1000_update_eeprom_checksum(hw); +out: kfree(eeprom_buff); return ret_val; } diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 902ada6a3b06ce..8f1c6f08be00e8 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -7642,6 +7642,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err_register: if (!(adapter->flags & FLAG_HAS_AMT)) e1000e_release_hw_control(adapter); + e1000e_ptp_remove(adapter); err_eeprom: if (hw->phy.ops.check_reset_block && !hw->phy.ops.check_reset_block(hw)) e1000_phy_hw_reset(&adapter->hw); diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 3d3816de72ec89..56bbaefbcbb7ae 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -13192,7 +13192,6 @@ static int i40e_config_netdev(struct i40e_vsi *vsi) netdev->neigh_priv_len = sizeof(u32) * 4; netdev->priv_flags |= IFF_UNICAST_FLT; - netdev->priv_flags |= IFF_SUPP_NOFCS; /* Setup netdev TC information */ i40e_vsi_config_netdev_tc(vsi, vsi->tc_config.enabled_tc); diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c index 1e8f71ffc8ce74..7fff700eab2b11 100644 --- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c @@ -438,14 +438,14 @@ void ice_dcb_rebuild(struct ice_pf *pf) struct ice_dcbx_cfg *err_cfg; enum ice_status ret; + mutex_lock(&pf->tc_mutex); + ret = ice_query_port_ets(pf->hw.port_info, &buf, sizeof(buf), NULL); if (ret) { dev_err(dev, "Query Port ETS failed\n"); goto dcb_error; } - mutex_lock(&pf->tc_mutex); - if (!pf->hw.port_info->qos_cfg.is_sw_lldp) ice_cfg_etsrec_defaults(pf->hw.port_info); diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 4510a84514fa4f..e43c029070be65 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -1228,6 +1228,7 @@ static int ixgbevf_clean_rx_irq(struct ixgbevf_q_vector *q_vector, ether_addr_equal(rx_ring->netdev->dev_addr, eth_hdr(skb)->h_source)) { dev_kfree_skb_irq(skb); + skb = NULL; continue; } diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_target.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_target.c index 79470f198a62a6..9cf19446657c6c 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_target.c +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_target.c @@ -435,12 +435,17 @@ static int nfp_encode_basic_qdr(u64 addr, int dest_island, int cpp_tgt, /* Full Island ID and channel bits overlap? */ ret = nfp_decode_basic(addr, &v, cpp_tgt, mode, addr40, isld1, isld0); - if (ret) + if (ret) { + pr_warn("%s: decode dest_island failed: %d\n", __func__, ret); return ret; + } /* The current address won't go where expected? */ - if (dest_island != -1 && dest_island != v) + if (dest_island != -1 && dest_island != v) { + pr_warn("%s: dest_island mismatch: current (%d) != decoded (%d)\n", + __func__, dest_island, v); return -EINVAL; + } /* If dest_island was -1, we don't care where it goes. */ return 0; @@ -493,7 +498,7 @@ static int nfp_encode_basic(u64 *addr, int dest_island, int cpp_tgt, * the address but we can verify if the existing * contents will point to a valid island. */ - return nfp_encode_basic_qdr(*addr, cpp_tgt, dest_island, + return nfp_encode_basic_qdr(*addr, dest_island, cpp_tgt, mode, addr40, isld1, isld0); iid_lsb = addr40 ? 34 : 26; @@ -504,7 +509,7 @@ static int nfp_encode_basic(u64 *addr, int dest_island, int cpp_tgt, return 0; case 1: if (cpp_tgt == NFP_CPP_TARGET_QDR && !addr40) - return nfp_encode_basic_qdr(*addr, cpp_tgt, dest_island, + return nfp_encode_basic_qdr(*addr, dest_island, cpp_tgt, mode, addr40, isld1, isld0); idx_lsb = addr40 ? 39 : 31; @@ -530,7 +535,7 @@ static int nfp_encode_basic(u64 *addr, int dest_island, int cpp_tgt, * be set before hand and with them select an island. * So we need to confirm that it's at least plausible. */ - return nfp_encode_basic_qdr(*addr, cpp_tgt, dest_island, + return nfp_encode_basic_qdr(*addr, dest_island, cpp_tgt, mode, addr40, isld1, isld0); /* Make sure we compare against isldN values @@ -551,7 +556,7 @@ static int nfp_encode_basic(u64 *addr, int dest_island, int cpp_tgt, * iid<1> = addr<30> = channel<0> * channel<1> = addr<31> = Index */ - return nfp_encode_basic_qdr(*addr, cpp_tgt, dest_island, + return nfp_encode_basic_qdr(*addr, dest_island, cpp_tgt, mode, addr40, isld1, isld0); isld[0] &= ~3; diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c index 83dc1c2c3b84bf..36521f260971af 100644 --- a/drivers/net/hamradio/6pack.c +++ b/drivers/net/hamradio/6pack.c @@ -94,8 +94,8 @@ struct sixpack { unsigned char *xhead; /* next byte to XMIT */ int xleft; /* bytes left in XMIT queue */ - unsigned char raw_buf[4]; - unsigned char cooked_buf[400]; + u8 raw_buf[4]; + u8 cooked_buf[400]; unsigned int rx_count; unsigned int rx_count_cooked; @@ -112,8 +112,8 @@ struct sixpack { unsigned char slottime; unsigned char duplex; unsigned char led_state; - unsigned char status; - unsigned char status1; + u8 status; + u8 status1; unsigned char status2; unsigned char tx_enable; unsigned char tnc_state; @@ -127,7 +127,7 @@ struct sixpack { #define AX25_6PACK_HEADER_LEN 0 -static void sixpack_decode(struct sixpack *, const unsigned char[], int); +static void sixpack_decode(struct sixpack *, const u8 *, size_t); static int encode_sixpack(unsigned char *, unsigned char *, int, unsigned char); /* @@ -337,7 +337,7 @@ static void sp_bump(struct sixpack *sp, char cmd) { struct sk_buff *skb; int count; - unsigned char *ptr; + u8 *ptr; count = sp->rcount + 1; @@ -435,7 +435,6 @@ static void sixpack_receive_buf(struct tty_struct *tty, const unsigned char *cp, char *fp, int count) { struct sixpack *sp; - int count1; if (!count) return; @@ -445,16 +444,16 @@ static void sixpack_receive_buf(struct tty_struct *tty, return; /* Read the characters out of the buffer */ - count1 = count; - while (count) { - count--; + while (count--) { if (fp && *fp++) { if (!test_and_set_bit(SIXPF_ERROR, &sp->flags)) sp->dev->stats.rx_errors++; + cp++; continue; } + sixpack_decode(sp, cp, 1); + cp++; } - sixpack_decode(sp, cp, count1); sp_put(sp); tty_unthrottle(tty); @@ -830,9 +829,9 @@ static int encode_sixpack(unsigned char *tx_buf, unsigned char *tx_buf_raw, /* decode 4 sixpack-encoded bytes into 3 data bytes */ -static void decode_data(struct sixpack *sp, unsigned char inbyte) +static void decode_data(struct sixpack *sp, u8 inbyte) { - unsigned char *buf; + u8 *buf; if (sp->rx_count != 3) { sp->raw_buf[sp->rx_count++] = inbyte; @@ -858,9 +857,9 @@ static void decode_data(struct sixpack *sp, unsigned char inbyte) /* identify and execute a 6pack priority command byte */ -static void decode_prio_command(struct sixpack *sp, unsigned char cmd) +static void decode_prio_command(struct sixpack *sp, u8 cmd) { - int actual; + ssize_t actual; if ((cmd & SIXP_PRIO_DATA_MASK) != 0) { /* idle ? */ @@ -908,9 +907,9 @@ static void decode_prio_command(struct sixpack *sp, unsigned char cmd) /* identify and execute a standard 6pack command byte */ -static void decode_std_command(struct sixpack *sp, unsigned char cmd) +static void decode_std_command(struct sixpack *sp, u8 cmd) { - unsigned char checksum = 0, rest = 0; + u8 checksum = 0, rest = 0; short i; switch (cmd & SIXP_CMD_MASK) { /* normal command */ @@ -956,10 +955,10 @@ static void decode_std_command(struct sixpack *sp, unsigned char cmd) /* decode a 6pack packet */ static void -sixpack_decode(struct sixpack *sp, const unsigned char *pre_rbuff, int count) +sixpack_decode(struct sixpack *sp, const u8 *pre_rbuff, size_t count) { - unsigned char inbyte; - int count1; + size_t count1; + u8 inbyte; for (count1 = 0; count1 < count; count1++) { inbyte = pre_rbuff[count1]; diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c index bcf354719745c2..c8834ea84732bd 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -514,7 +514,7 @@ static struct sk_buff *nsim_dev_trap_skb_build(void) skb->protocol = htons(ETH_P_IP); skb_set_network_header(skb, skb->len); - iph = skb_put(skb, sizeof(struct iphdr)); + iph = skb_put_zero(skb, sizeof(struct iphdr)); iph->protocol = IPPROTO_UDP; iph->saddr = in_aton("192.0.2.1"); iph->daddr = in_aton("198.51.100.1"); diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index e2fe89c8059eaf..93f453ac242bb0 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -30,6 +30,7 @@ #define DP83869_RGMIICTL 0x0032 #define DP83869_STRAP_STS1 0x006e #define DP83869_RGMIIDCTL 0x0086 +#define DP83869_ANA_PLL_PROG_PI 0x00c6 #define DP83869_RXFCFG 0x0134 #define DP83869_RXFPMD1 0x0136 #define DP83869_RXFPMD2 0x0137 @@ -791,12 +792,22 @@ static int dp83869_config_init(struct phy_device *phydev) dp83869_config_port_mirroring(phydev); /* Clock output selection if muxing property is set */ - if (dp83869->clk_output_sel != DP83869_CLK_O_SEL_REF_CLK) + if (dp83869->clk_output_sel != DP83869_CLK_O_SEL_REF_CLK) { + /* + * Table 7-121 in datasheet says we have to set register 0xc6 + * to value 0x10 before CLK_O_SEL can be modified. + */ + ret = phy_write_mmd(phydev, DP83869_DEVADDR, + DP83869_ANA_PLL_PROG_PI, 0x10); + if (ret) + return ret; + ret = phy_modify_mmd(phydev, DP83869_DEVADDR, DP83869_IO_MUX_CFG, DP83869_IO_MUX_CFG_CLK_O_SEL_MASK, dp83869->clk_output_sel << DP83869_IO_MUX_CFG_CLK_O_SEL_SHIFT); + } if (phy_interface_is_rgmii(phydev)) { ret = phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RGMIIDCTL, diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index b2b5a994dd0ee2..262d9be4f449ef 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -950,6 +950,9 @@ static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf, struct ppp_net *pn; int __user *p = (int __user *)arg; + if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) + return -EPERM; + switch (cmd) { case PPPIOCNEWUNIT: /* Create a new ppp unit */ @@ -2105,7 +2108,7 @@ ppp_do_recv(struct ppp *ppp, struct sk_buff *skb, struct channel *pch) */ static void __ppp_decompress_proto(struct sk_buff *skb) { - if (skb->data[0] & 0x01) + if (ppp_skb_is_compressed_proto(skb)) *(u8 *)skb_push(skb, 1) = 0x00; } diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c index d7f50b835050d1..75114c630b1a77 100644 --- a/drivers/net/ppp/pppoe.c +++ b/drivers/net/ppp/pppoe.c @@ -425,7 +425,7 @@ static int pppoe_rcv(struct sk_buff *skb, struct net_device *dev, if (skb_mac_header_len(skb) < ETH_HLEN) goto drop; - if (!pskb_may_pull(skb, sizeof(struct pppoe_hdr))) + if (!pskb_may_pull(skb, PPPOE_SES_HLEN)) goto drop; ph = pppoe_hdr(skb); @@ -435,6 +435,12 @@ static int pppoe_rcv(struct sk_buff *skb, struct net_device *dev, if (skb->len < len) goto drop; + /* skb->data points to the PPP protocol header after skb_pull_rcsum. + * Drop PFC frames. + */ + if (ppp_skb_is_compressed_proto(skb)) + goto drop; + if (pskb_trim_rcsum(skb, len)) goto drop; diff --git a/drivers/net/slip/slhc.c b/drivers/net/slip/slhc.c index 603a29f3905bae..e56f0bbc72a4f6 100644 --- a/drivers/net/slip/slhc.c +++ b/drivers/net/slip/slhc.c @@ -80,9 +80,9 @@ #include static unsigned char *encode(unsigned char *cp, unsigned short n); -static long decode(unsigned char **cpp); +static long decode(unsigned char **cpp, const unsigned char *end); static unsigned char * put16(unsigned char *cp, unsigned short x); -static unsigned short pull16(unsigned char **cpp); +static long pull16(unsigned char **cpp, const unsigned char *end); /* Allocate compression data structure * slots must be in range 0 to 255 (zero meaning no compression) @@ -190,30 +190,34 @@ encode(unsigned char *cp, unsigned short n) return cp; } -/* Pull a 16-bit integer in host order from buffer in network byte order */ -static unsigned short -pull16(unsigned char **cpp) +/* Pull a 16-bit integer in host order from buffer in network byte order. + * Returns -1 if the buffer is exhausted, otherwise the 16-bit value. + */ +static long +pull16(unsigned char **cpp, const unsigned char *end) { - short rval; + long rval; + if (*cpp + 2 > end) + return -1; rval = *(*cpp)++; rval <<= 8; rval |= *(*cpp)++; return rval; } -/* Decode a number */ +/* Decode a number. Returns -1 if the buffer is exhausted. */ static long -decode(unsigned char **cpp) +decode(unsigned char **cpp, const unsigned char *end) { int x; + if (*cpp >= end) + return -1; x = *(*cpp)++; - if(x == 0){ - return pull16(cpp) & 0xffff; /* pull16 returns -1 on error */ - } else { - return x & 0xff; /* -1 if PULLCHAR returned error */ - } + if (x == 0) + return pull16(cpp, end); + return x & 0xff; } /* @@ -499,6 +503,7 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize) struct cstate *cs; int len, hdrlen; unsigned char *cp = icp; + const unsigned char *end = icp + isize; /* We've got a compressed packet; read the change byte */ comp->sls_i_compressed++; @@ -506,6 +511,8 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize) comp->sls_i_error++; return 0; } + if (!comp->rstate) + goto bad; changes = *cp++; if(changes & NEW_C){ /* Make sure the state index is in range, then grab the state. @@ -534,6 +541,8 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize) thp = &cs->cs_tcp; ip = &cs->cs_ip; + if (cp + 2 > end) + goto bad; thp->check = *(__sum16 *)cp; cp += 2; @@ -564,26 +573,26 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize) default: if(changes & NEW_U){ thp->urg = 1; - if((x = decode(&cp)) == -1) { + if((x = decode(&cp, end)) == -1) { goto bad; } thp->urg_ptr = htons(x); } else thp->urg = 0; if(changes & NEW_W){ - if((x = decode(&cp)) == -1) { + if((x = decode(&cp, end)) == -1) { goto bad; } thp->window = htons( ntohs(thp->window) + x); } if(changes & NEW_A){ - if((x = decode(&cp)) == -1) { + if((x = decode(&cp, end)) == -1) { goto bad; } thp->ack_seq = htonl( ntohl(thp->ack_seq) + x); } if(changes & NEW_S){ - if((x = decode(&cp)) == -1) { + if((x = decode(&cp, end)) == -1) { goto bad; } thp->seq = htonl( ntohl(thp->seq) + x); @@ -591,7 +600,7 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize) break; } if(changes & NEW_I){ - if((x = decode(&cp)) == -1) { + if((x = decode(&cp, end)) == -1) { goto bad; } ip->id = htons (ntohs (ip->id) + x); @@ -649,6 +658,10 @@ slhc_remember(struct slcompress *comp, unsigned char *icp, int isize) struct cstate *cs; unsigned int ihl; + if (!comp->rstate) { + comp->sls_i_error++; + return slhc_toss(comp); + } /* The packet is shorter than a legal IP header. * Also make sure isize is positive. */ diff --git a/drivers/net/tap.c b/drivers/net/tap.c index 16fa0e3e752ab7..18f19fc66c64fa 100644 --- a/drivers/net/tap.c +++ b/drivers/net/tap.c @@ -703,11 +703,22 @@ static ssize_t tap_get_user(struct tap_queue *q, void *msg_control, skb_reset_mac_header(skb); skb->protocol = eth_hdr(skb)->h_proto; + rcu_read_lock(); + tap = rcu_dereference(q->tap); + if (!tap) { + kfree_skb(skb); + rcu_read_unlock(); + return total_len; + } + skb->dev = tap->dev; + if (vnet_hdr_len) { err = virtio_net_hdr_to_skb(skb, &vnet_hdr, tap_is_little_endian(q)); - if (err) + if (err) { + rcu_read_unlock(); goto err_kfree; + } } skb_probe_transport_header(skb); @@ -717,8 +728,6 @@ static ssize_t tap_get_user(struct tap_queue *q, void *msg_control, vlan_get_protocol_and_depth(skb, skb->protocol, &depth) != 0) skb_set_network_header(skb, depth); - rcu_read_lock(); - tap = rcu_dereference(q->tap); /* copy skb_ubuf_info for callback when skb has no error */ if (zerocopy) { skb_shinfo(skb)->destructor_arg = msg_control; @@ -729,14 +738,8 @@ static ssize_t tap_get_user(struct tap_queue *q, void *msg_control, uarg->callback(uarg, false); } - if (tap) { - skb->dev = tap->dev; - dev_queue_xmit(skb); - } else { - kfree_skb(skb); - } + dev_queue_xmit(skb); rcu_read_unlock(); - return total_len; err_kfree: diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c index 2520421946a6a7..639cb2aedf1930 100644 --- a/drivers/net/usb/cdc-phonet.c +++ b/drivers/net/usb/cdc-phonet.c @@ -157,11 +157,16 @@ static void rx_complete(struct urb *req) PAGE_SIZE); page = NULL; } - } else { + } else if (skb_shinfo(skb)->nr_frags < MAX_SKB_FRAGS) { skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, 0, req->actual_length, PAGE_SIZE); page = NULL; + } else { + dev_kfree_skb_any(skb); + pnd->rx_skb = NULL; + skb = NULL; + dev->stats.rx_length_errors++; } if (req->actual_length < PAGE_SIZE) pnd->rx_skb = NULL; /* Last fragment */ diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index f0643d9d8ff943..af0622e9425849 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -4057,29 +4057,30 @@ static int lan78xx_probe(struct usb_interface *intf, period = ep_intr->desc.bInterval; maxp = usb_maxpacket(dev->udev, dev->pipe_intr, 0); - buf = kmalloc(maxp, GFP_KERNEL); - if (!buf) { + + dev->urb_intr = usb_alloc_urb(0, GFP_KERNEL); + if (!dev->urb_intr) { ret = -ENOMEM; goto out3; } - dev->urb_intr = usb_alloc_urb(0, GFP_KERNEL); - if (!dev->urb_intr) { + buf = kmalloc(maxp, GFP_KERNEL); + if (!buf) { ret = -ENOMEM; - goto out4; - } else { - usb_fill_int_urb(dev->urb_intr, dev->udev, - dev->pipe_intr, buf, maxp, - intr_complete, dev, period); - dev->urb_intr->transfer_flags |= URB_FREE_BUFFER; + goto free_urbs; } + usb_fill_int_urb(dev->urb_intr, dev->udev, + dev->pipe_intr, buf, maxp, + intr_complete, dev, period); + dev->urb_intr->transfer_flags |= URB_FREE_BUFFER; + dev->maxpacket = usb_maxpacket(dev->udev, dev->pipe_out, 1); /* Reject broken descriptors. */ if (dev->maxpacket == 0) { ret = -ENODEV; - goto out5; + goto free_urbs; } /* driver requires remote-wakeup capability during autosuspend. */ @@ -4087,7 +4088,7 @@ static int lan78xx_probe(struct usb_interface *intf, ret = lan78xx_phy_init(dev); if (ret < 0) - goto out5; + goto free_urbs; ret = register_netdev(netdev); if (ret != 0) { @@ -4109,10 +4110,8 @@ static int lan78xx_probe(struct usb_interface *intf, out6: phy_disconnect(netdev->phydev); -out5: +free_urbs: usb_free_urb(dev->urb_intr); -out4: - kfree(buf); out3: lan78xx_unbind(dev, intf); out2: diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c index 185b8c8b19ba39..a992253000c85a 100644 --- a/drivers/net/usb/rtl8150.c +++ b/drivers/net/usb/rtl8150.c @@ -685,6 +685,7 @@ static netdev_tx_t rtl8150_start_xmit(struct sk_buff *skb, struct net_device *netdev) { rtl8150_t *dev = netdev_priv(netdev); + unsigned int skb_len; int count, res; /* pad the frame and ensure terminating USB packet, datasheet 9.2.3 */ @@ -696,6 +697,8 @@ static netdev_tx_t rtl8150_start_xmit(struct sk_buff *skb, return NETDEV_TX_OK; } + skb_len = skb->len; + netif_stop_queue(netdev); dev->tx_skb = skb; usb_fill_bulk_urb(dev->tx_urb, dev->udev, usb_sndbulkpipe(dev->udev, 2), @@ -709,9 +712,16 @@ static netdev_tx_t rtl8150_start_xmit(struct sk_buff *skb, netdev->stats.tx_errors++; netif_start_queue(netdev); } + /* + * The URB was not submitted, so write_bulk_callback() will + * never run to free dev->tx_skb. Drop the skb here and + * clear tx_skb to avoid leaving a stale pointer. + */ + dev->tx_skb = NULL; + dev_kfree_skb_any(skb); } else { netdev->stats.tx_packets++; - netdev->stats.tx_bytes += skb->len; + netdev->stats.tx_bytes += skb_len; netif_trans_update(netdev); } diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index b43e8041fda349..d1a2b3dcd00c90 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -1143,6 +1143,7 @@ static int do_vrf_add_slave(struct net_device *dev, struct net_device *port_dev, err: port_dev->priv_flags &= ~IFF_L3MDEV_SLAVE; + synchronize_net(); return ret; } @@ -1162,10 +1163,16 @@ static int vrf_add_slave(struct net_device *dev, struct net_device *port_dev, } /* inverse of do_vrf_add_slave */ -static int do_vrf_del_slave(struct net_device *dev, struct net_device *port_dev) +static int do_vrf_del_slave(struct net_device *dev, struct net_device *port_dev, + bool needs_sync) { netdev_upper_dev_unlink(port_dev, dev); port_dev->priv_flags &= ~IFF_L3MDEV_SLAVE; + /* Make sure that concurrent RCU readers that identified the device + * as a VRF port see a VRF master or no master at all. + */ + if (needs_sync) + synchronize_net(); cycle_netdev(port_dev, NULL); @@ -1174,7 +1181,7 @@ static int do_vrf_del_slave(struct net_device *dev, struct net_device *port_dev) static int vrf_del_slave(struct net_device *dev, struct net_device *port_dev) { - return do_vrf_del_slave(dev, port_dev); + return do_vrf_del_slave(dev, port_dev, true); } static void vrf_dev_uninit(struct net_device *dev) @@ -1666,7 +1673,7 @@ static void vrf_dellink(struct net_device *dev, struct list_head *head) struct list_head *iter; netdev_for_each_lower_dev(dev, port_dev, iter) - vrf_del_slave(dev, port_dev); + do_vrf_del_slave(dev, port_dev, false); vrf_map_unregister_dev(dev); @@ -1797,7 +1804,7 @@ static int vrf_device_event(struct notifier_block *unused, goto out; vrf_dev = netdev_master_upper_dev_get(dev); - vrf_del_slave(vrf_dev, dev); + do_vrf_del_slave(vrf_dev, dev, false); } out: return NOTIFY_DONE; diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c index 24c53cc0c112fe..dd300179dcc561 100644 --- a/drivers/net/wan/lapbether.c +++ b/drivers/net/wan/lapbether.c @@ -6,7 +6,7 @@ * * This is a "pseudo" network driver to allow LAPB over Ethernet. * - * This driver can use any ethernet destination address, and can be + * This driver can use any ethernet destination address, and can be * limited to accept frames from one dedicated ethernet card only. * * History @@ -67,7 +67,7 @@ static struct lapbethdev *lapbeth_get_x25_dev(struct net_device *dev) struct lapbethdev *lapbeth; list_for_each_entry_rcu(lapbeth, &lapbeth_devices, node, lockdep_rtnl_is_held()) { - if (lapbeth->ethdev == dev) + if (lapbeth->ethdev == dev) return lapbeth; } return NULL; @@ -400,33 +400,36 @@ static void lapbeth_free_device(struct lapbethdev *lapbeth) static int lapbeth_device_event(struct notifier_block *this, unsigned long event, void *ptr) { - struct lapbethdev *lapbeth; struct net_device *dev = netdev_notifier_info_to_dev(ptr); + struct lapbethdev *lapbeth; if (dev_net(dev) != &init_net) return NOTIFY_DONE; - if (!dev_is_ethdev(dev) && !lapbeth_get_x25_dev(dev)) + lapbeth = lapbeth_get_x25_dev(dev); + if (!dev_is_ethdev(dev) && !lapbeth) return NOTIFY_DONE; switch (event) { case NETDEV_UP: /* New ethernet device -> new LAPB interface */ - if (lapbeth_get_x25_dev(dev) == NULL) + if (!lapbeth) lapbeth_new_device(dev); break; - case NETDEV_DOWN: - /* ethernet device closed -> close LAPB interface */ - lapbeth = lapbeth_get_x25_dev(dev); - if (lapbeth) + case NETDEV_GOING_DOWN: + /* ethernet device closes -> close LAPB interface */ + if (lapbeth) dev_close(lapbeth->axdev); break; case NETDEV_UNREGISTER: /* ethernet device disappears -> remove LAPB interface */ - lapbeth = lapbeth_get_x25_dev(dev); if (lapbeth) lapbeth_free_device(lapbeth); break; + case NETDEV_PRE_TYPE_CHANGE: + /* Our underlying device type must not change. */ + if (lapbeth) + return NOTIFY_BAD; } return NOTIFY_DONE; diff --git a/drivers/net/wireless/ath/ath11k/hal.c b/drivers/net/wireless/ath/ath11k/hal.c index 029827e14a15a8..5d8cb5d05588c2 100644 --- a/drivers/net/wireless/ath/ath11k/hal.c +++ b/drivers/net/wireless/ath/ath11k/hal.c @@ -1319,14 +1319,22 @@ EXPORT_SYMBOL(ath11k_hal_srng_deinit); void ath11k_hal_srng_clear(struct ath11k_base *ab) { - /* No need to memset rdp and wrp memory since each individual - * segment would get cleared in ath11k_hal_srng_src_hw_init() - * and ath11k_hal_srng_dst_hw_init(). + /* + * Preserve the shared pointer buffers, but clear the previous + * firmware instance's hp/tp state before handing them back to FW. + * LMAC rings reuse this shared memory without going through the + * normal SRNG hw-init path that zeros non-LMAC ring pointers. */ memset(ab->hal.srng_list, 0, sizeof(ab->hal.srng_list)); memset(ab->hal.shadow_reg_addr, 0, sizeof(ab->hal.shadow_reg_addr)); + if (ab->hal.rdp.vaddr) + memset(ab->hal.rdp.vaddr, 0, + sizeof(*ab->hal.rdp.vaddr) * HAL_SRNG_RING_ID_MAX); + if (ab->hal.wrp.vaddr) + memset(ab->hal.wrp.vaddr, 0, + sizeof(*ab->hal.wrp.vaddr) * HAL_SRNG_NUM_LMAC_RINGS); ab->hal.avail_blk_resource = 0; ab->hal.current_blk_index = 0; ab->hal.num_shadow_reg_configured = 0; diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 4c6e57f9976def..edd5ca4ef81da3 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -1693,7 +1693,8 @@ ath5k_tx_frame_completed(struct ath5k_hw *ah, struct sk_buff *skb, } info->status.rates[ts->ts_final_idx].count = ts->ts_final_retry; - info->status.rates[ts->ts_final_idx + 1].idx = -1; + if (ts->ts_final_idx + 1 < IEEE80211_TX_MAX_RATES) + info->status.rates[ts->ts_final_idx + 1].idx = -1; if (unlikely(ts->ts_status)) { ah->stats.ack_fail++; diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c index 6cf08752215725..31b7921bf34f32 100644 --- a/drivers/net/wireless/ath/ath9k/channel.c +++ b/drivers/net/wireless/ath/ath9k/channel.c @@ -1011,7 +1011,7 @@ static void ath_scan_send_probe(struct ath_softc *sc, skb_set_queue_mapping(skb, IEEE80211_AC_VO); if (!ieee80211_tx_prepare_skb(sc->hw, vif, skb, band, NULL)) - goto error; + return; txctl.txq = sc->tx.txq_map[IEEE80211_AC_VO]; if (ath_tx_start(sc->hw, skb, &txctl)) @@ -1124,10 +1124,8 @@ ath_chanctx_send_vif_ps_frame(struct ath_softc *sc, struct ath_vif *avp, skb->priority = 7; skb_set_queue_mapping(skb, IEEE80211_AC_VO); - if (!ieee80211_tx_prepare_skb(sc->hw, vif, skb, band, &sta)) { - dev_kfree_skb_any(skb); + if (!ieee80211_tx_prepare_skb(sc->hw, vif, skb, band, &sta)) return false; - } break; default: return false; diff --git a/drivers/net/wireless/broadcom/b43/xmit.c b/drivers/net/wireless/broadcom/b43/xmit.c index 7651b1bdb59266..f0b082596637ff 100644 --- a/drivers/net/wireless/broadcom/b43/xmit.c +++ b/drivers/net/wireless/broadcom/b43/xmit.c @@ -702,7 +702,8 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr) * key index, but the ucode passed it slightly different. */ keyidx = b43_kidx_to_raw(dev, keyidx); - B43_WARN_ON(keyidx >= ARRAY_SIZE(dev->key)); + if (B43_WARN_ON(keyidx >= ARRAY_SIZE(dev->key))) + goto drop; if (dev->key[keyidx].algorithm != B43_SEC_ALGO_NONE) { wlhdr_len = ieee80211_hdrlen(fctl); diff --git a/drivers/net/wireless/broadcom/b43legacy/xmit.c b/drivers/net/wireless/broadcom/b43legacy/xmit.c index efd63f4ce74f2b..ee199d4eaf039a 100644 --- a/drivers/net/wireless/broadcom/b43legacy/xmit.c +++ b/drivers/net/wireless/broadcom/b43legacy/xmit.c @@ -476,7 +476,8 @@ void b43legacy_rx(struct b43legacy_wldev *dev, * key index, but the ucode passed it slightly different. */ keyidx = b43legacy_kidx_to_raw(dev, keyidx); - B43legacy_WARN_ON(keyidx >= dev->max_nr_keys); + if (B43legacy_WARN_ON(keyidx >= dev->max_nr_keys)) + goto drop; if (dev->key[keyidx].algorithm != B43legacy_SEC_ALGO_NONE) { /* Remove PROTECTED flag to mark it as decrypted. */ diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c index 75dc7904a4bd69..106804b93f1a49 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c @@ -128,7 +128,8 @@ int brcmf_sdiod_intr_register(struct brcmf_sdio_dev *sdiodev) if (sdiodev->bus_if->chip == BRCM_CC_43362_CHIP_ID) { /* assign GPIO to SDIO core */ - addr = CORE_CC_REG(SI_ENUM_BASE, gpiocontrol); + addr = brcmf_chip_enum_base(sdiodev->func1->device); + addr = CORE_CC_REG(addr, gpiocontrol); gpiocontrol = brcmf_sdiod_readl(sdiodev, addr, &ret); gpiocontrol |= 0x2; brcmf_sdiod_writel(sdiodev, addr, gpiocontrol, &ret); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c index 5bf11e46fc49a9..e720da11e5ef9e 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c @@ -893,7 +893,8 @@ int brcmf_chip_dmp_erom_scan(struct brcmf_chip_priv *ci) u32 base, wrap; int err; - eromaddr = ci->ops->read32(ci->ctx, CORE_CC_REG(SI_ENUM_BASE, eromptr)); + eromaddr = ci->ops->read32(ci->ctx, + CORE_CC_REG(ci->pub.enum_base, eromptr)); while (desc_type != DMP_DESC_EOT) { val = brcmf_chip_dmp_get_desc(ci, &eromaddr, &desc_type); @@ -941,6 +942,11 @@ int brcmf_chip_dmp_erom_scan(struct brcmf_chip_priv *ci) return 0; } +u32 brcmf_chip_enum_base(u16 devid) +{ + return SI_ENUM_BASE_DEFAULT; +} + static int brcmf_chip_recognition(struct brcmf_chip_priv *ci) { struct brcmf_core *core; @@ -953,7 +959,8 @@ static int brcmf_chip_recognition(struct brcmf_chip_priv *ci) * For different chiptypes or old sdio hosts w/o chipcommon, * other ways of recognition should be added here. */ - regdata = ci->ops->read32(ci->ctx, CORE_CC_REG(SI_ENUM_BASE, chipid)); + regdata = ci->ops->read32(ci->ctx, + CORE_CC_REG(ci->pub.enum_base, chipid)); ci->pub.chip = regdata & CID_ID_MASK; ci->pub.chiprev = (regdata & CID_REV_MASK) >> CID_REV_SHIFT; socitype = (regdata & CID_TYPE_MASK) >> CID_TYPE_SHIFT; @@ -973,19 +980,34 @@ static int brcmf_chip_recognition(struct brcmf_chip_priv *ci) ci->resetcore = brcmf_chip_sb_resetcore; core = brcmf_chip_add_core(ci, BCMA_CORE_CHIPCOMMON, - SI_ENUM_BASE, 0); + SI_ENUM_BASE_DEFAULT, 0); + if (IS_ERR(core)) + return PTR_ERR(core); + brcmf_chip_sb_corerev(ci, core); core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV, BCM4329_CORE_BUS_BASE, 0); + if (IS_ERR(core)) + return PTR_ERR(core); + brcmf_chip_sb_corerev(ci, core); core = brcmf_chip_add_core(ci, BCMA_CORE_INTERNAL_MEM, BCM4329_CORE_SOCRAM_BASE, 0); + if (IS_ERR(core)) + return PTR_ERR(core); + brcmf_chip_sb_corerev(ci, core); core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CM3, BCM4329_CORE_ARM_BASE, 0); + if (IS_ERR(core)) + return PTR_ERR(core); + brcmf_chip_sb_corerev(ci, core); core = brcmf_chip_add_core(ci, BCMA_CORE_80211, 0x18001000, 0); + if (IS_ERR(core)) + return PTR_ERR(core); + brcmf_chip_sb_corerev(ci, core); } else if (socitype == SOCI_AI) { ci->iscoreup = brcmf_chip_ai_iscoreup; @@ -1087,7 +1109,7 @@ static int brcmf_chip_setup(struct brcmf_chip_priv *chip) return ret; } -struct brcmf_chip *brcmf_chip_attach(void *ctx, +struct brcmf_chip *brcmf_chip_attach(void *ctx, u16 devid, const struct brcmf_buscore_ops *ops) { struct brcmf_chip_priv *chip; @@ -1112,6 +1134,7 @@ struct brcmf_chip *brcmf_chip_attach(void *ctx, chip->num_cores = 0; chip->ops = ops; chip->ctx = ctx; + chip->pub.enum_base = brcmf_chip_enum_base(devid); err = ops->prepare(ctx); if (err < 0) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h index 8fa38658e727ac..d69f101f583449 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.h @@ -15,6 +15,7 @@ * * @chip: chip identifier. * @chiprev: chip revision. + * @enum_base: base address of core enumeration space. * @cc_caps: chipcommon core capabilities. * @cc_caps_ext: chipcommon core extended capabilities. * @pmucaps: PMU capabilities. @@ -27,6 +28,7 @@ struct brcmf_chip { u32 chip; u32 chiprev; + u32 enum_base; u32 cc_caps; u32 cc_caps_ext; u32 pmucaps; @@ -70,7 +72,7 @@ struct brcmf_buscore_ops { }; int brcmf_chip_get_raminfo(struct brcmf_chip *pub); -struct brcmf_chip *brcmf_chip_attach(void *ctx, +struct brcmf_chip *brcmf_chip_attach(void *ctx, u16 devid, const struct brcmf_buscore_ops *ops); void brcmf_chip_detach(struct brcmf_chip *chip); struct brcmf_core *brcmf_chip_get_core(struct brcmf_chip *chip, u16 coreid); @@ -85,5 +87,6 @@ void brcmf_chip_set_passive(struct brcmf_chip *ci); bool brcmf_chip_set_active(struct brcmf_chip *ci, u32 rstvec); bool brcmf_chip_sr_capable(struct brcmf_chip *pub); char *brcmf_chip_name(u32 chipid, u32 chiprev, char *buf, uint len); +u32 brcmf_chip_enum_base(u16 devid); #endif /* BRCMF_AXIDMP_H */ diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c index 1285d3685c4f51..51260a0c8e0a7a 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c @@ -151,6 +151,11 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr, bphy_err(drvr, "invalid interface index: %u\n", ifevent->ifidx); return; } + if (ifevent->bsscfgidx >= BRCMF_MAX_IFS) { + bphy_err(drvr, "invalid bsscfg index: %u\n", + ifevent->bsscfgidx); + return; + } ifp = drvr->iflist[ifevent->bsscfgidx]; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index 721d587425c7a8..0f5431e4ac2088 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -1860,7 +1860,8 @@ brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) devinfo->pdev = pdev; pcie_bus_dev = NULL; - devinfo->ci = brcmf_chip_attach(devinfo, &brcmf_pcie_buscore_ops); + devinfo->ci = brcmf_chip_attach(devinfo, pdev->device, + &brcmf_pcie_buscore_ops); if (IS_ERR(devinfo->ci)) { ret = PTR_ERR(devinfo->ci); devinfo->ci = NULL; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 3c0d5c68eaca2a..68fbb38c63d5ce 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -3903,7 +3903,7 @@ static u32 brcmf_sdio_buscore_read32(void *ctx, u32 addr) * It can be identified as 4339 by looking at the chip revision. It * is corrected here so the chip.c module has the right info. */ - if (addr == CORE_CC_REG(SI_ENUM_BASE, chipid) && + if (addr == CORE_CC_REG(SI_ENUM_BASE_DEFAULT, chipid) && (sdiodev->func1->device == SDIO_DEVICE_ID_BROADCOM_4339 || sdiodev->func1->device == SDIO_DEVICE_ID_BROADCOM_4335_4339)) { rev = (val & CID_REV_MASK) >> CID_REV_SHIFT; @@ -3939,12 +3939,15 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus) int reg_addr; u32 reg_val; u32 drivestrength; + u32 enum_base; sdiodev = bus->sdiodev; sdio_claim_host(sdiodev->func1); - pr_debug("F1 signature read @0x18000000=0x%4x\n", - brcmf_sdiod_readl(sdiodev, SI_ENUM_BASE, NULL)); + enum_base = brcmf_chip_enum_base(sdiodev->func1->device); + + pr_debug("F1 signature read @0x%08x=0x%4x\n", enum_base, + brcmf_sdiod_readl(sdiodev, enum_base, NULL)); /* * Force PLL off until brcmf_chip_attach() @@ -3963,7 +3966,8 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus) goto fail; } - bus->ci = brcmf_chip_attach(sdiodev, &brcmf_sdio_buscore_ops); + bus->ci = brcmf_chip_attach(sdiodev, sdiodev->func1->device, + &brcmf_sdio_buscore_ops); if (IS_ERR(bus->ci)) { brcmf_err("brcmf_chip_attach failed!\n"); bus->ci = NULL; diff --git a/drivers/net/wireless/broadcom/brcm80211/include/soc.h b/drivers/net/wireless/broadcom/brcm80211/include/soc.h index 92d942b44f2c20..8249211913660b 100644 --- a/drivers/net/wireless/broadcom/brcm80211/include/soc.h +++ b/drivers/net/wireless/broadcom/brcm80211/include/soc.h @@ -6,7 +6,7 @@ #ifndef _BRCM_SOC_H #define _BRCM_SOC_H -#define SI_ENUM_BASE 0x18000000 /* Enumeration space base */ +#define SI_ENUM_BASE_DEFAULT 0x18000000 /* Common core control flags */ #define SICF_BIST_EN 0x8000 diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 037358606a51a4..865bbe0293436c 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -2275,7 +2275,6 @@ static void hw_scan_work(struct work_struct *work) hwsim->tmp_chan->band, NULL)) { rcu_read_unlock(); - kfree_skb(probe); continue; } diff --git a/drivers/net/wireless/marvell/mwifiex/11n_aggr.c b/drivers/net/wireless/marvell/mwifiex/11n_aggr.c index 46f41dbcf30ddc..54662bc5bc1526 100644 --- a/drivers/net/wireless/marvell/mwifiex/11n_aggr.c +++ b/drivers/net/wireless/marvell/mwifiex/11n_aggr.c @@ -215,6 +215,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, if (!mwifiex_is_ralist_valid(priv, pra_list, ptrindex)) { spin_unlock_bh(&priv->wmm.ra_list_spinlock); + mwifiex_write_data_complete(adapter, skb_aggr, 1, -1); return -1; } diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c index 02821588673e53..3058c8356c292e 100644 --- a/drivers/net/wireless/realtek/rtlwifi/pci.c +++ b/drivers/net/wireless/realtek/rtlwifi/pci.c @@ -1675,6 +1675,7 @@ static void rtl_pci_deinit(struct ieee80211_hw *hw) synchronize_irq(rtlpci->pdev->irq); tasklet_kill(&rtlpriv->works.irq_tasklet); + tasklet_kill(&rtlpriv->works.irq_prepare_bcn_tasklet); cancel_work_sync(&rtlpriv->works.lps_change_work); } diff --git a/drivers/net/wireless/rsi/rsi_common.h b/drivers/net/wireless/rsi/rsi_common.h index 60f1f286b03012..c68076d58d117b 100644 --- a/drivers/net/wireless/rsi/rsi_common.h +++ b/drivers/net/wireless/rsi/rsi_common.h @@ -70,12 +70,11 @@ static inline int rsi_create_kthread(struct rsi_common *common, return 0; } -static inline int rsi_kill_thread(struct rsi_thread *handle) +static inline void rsi_kill_thread(struct rsi_thread *handle) { atomic_inc(&handle->thread_done); rsi_set_event(&handle->event); - - return kthread_stop(handle->task); + wait_for_completion(&handle->completion); } void rsi_mac80211_detach(struct rsi_hw *hw); diff --git a/drivers/net/wireless/ti/wl1251/tx.c b/drivers/net/wireless/ti/wl1251/tx.c index 5771f61392efb5..7f406c086ca560 100644 --- a/drivers/net/wireless/ti/wl1251/tx.c +++ b/drivers/net/wireless/ti/wl1251/tx.c @@ -402,12 +402,14 @@ static void wl1251_tx_packet_cb(struct wl1251 *wl, int hdrlen; u8 *frame; - skb = wl->tx_frames[result->id]; - if (skb == NULL) { - wl1251_error("SKB for packet %d is NULL", result->id); + if (unlikely(result->id >= ARRAY_SIZE(wl->tx_frames) || + wl->tx_frames[result->id] == NULL)) { + wl1251_error("invalid packet id %u", result->id); return; } + skb = wl->tx_frames[result->id]; + info = IEEE80211_SKB_CB(skb); if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) && diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c index 081ec1105572ee..4d99d4dbf817ea 100644 --- a/drivers/nfc/trf7970a.c +++ b/drivers/nfc/trf7970a.c @@ -311,6 +311,7 @@ #define TRF7970A_RSSI_OSC_STATUS_RSSI_MASK (BIT(2) | BIT(1) | BIT(0)) #define TRF7970A_RSSI_OSC_STATUS_RSSI_X_MASK (BIT(5) | BIT(4) | BIT(3)) #define TRF7970A_RSSI_OSC_STATUS_RSSI_OSC_OK BIT(6) +#define TRF7970A_RSSI_OSC_STATUS_RSSI_NOISE_LEVEL 1 #define TRF7970A_SPECIAL_FCN_REG1_COL_7_6 BIT(0) #define TRF7970A_SPECIAL_FCN_REG1_14_ANTICOLL BIT(1) @@ -1253,7 +1254,7 @@ static int trf7970a_is_rf_field(struct trf7970a *trf, bool *is_rf_field) if (ret) return ret; - if (rssi & TRF7970A_RSSI_OSC_STATUS_RSSI_MASK) + if ((rssi & TRF7970A_RSSI_OSC_STATUS_RSSI_MASK) > TRF7970A_RSSI_OSC_STATUS_RSSI_NOISE_LEVEL) *is_rf_field = true; else *is_rf_field = false; diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index a04bb02c1251b3..ddcfc51fc05c6a 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -1440,7 +1440,7 @@ static void nvmet_ctrl_free(struct kref *ref) nvmet_stop_keep_alive_timer(ctrl); - flush_work(&ctrl->async_event_work); + cancel_work_sync(&ctrl->async_event_work); cancel_work_sync(&ctrl->fatal_err_work); ida_simple_remove(&cntlid_ida, ctrl->cntlid); diff --git a/drivers/parisc/lasi.c b/drivers/parisc/lasi.c index 6ef621adb63a85..f18da2d47f32c1 100644 --- a/drivers/parisc/lasi.c +++ b/drivers/parisc/lasi.c @@ -196,8 +196,7 @@ static int __init lasi_init_chip(struct parisc_device *dev) ret = request_irq(lasi->gsc_irq.irq, gsc_asic_intr, 0, "lasi", lasi); if (ret < 0) { - kfree(lasi); - return ret; + goto err_free; } /* enable IRQ's for devices below LASI */ @@ -206,8 +205,7 @@ static int __init lasi_init_chip(struct parisc_device *dev) /* Done init'ing, register this driver */ ret = gsc_common_setup(dev, lasi); if (ret) { - kfree(lasi); - return ret; + goto err_irq; } gsc_fixup_irqs(dev, lasi, lasi_choose_irq); @@ -220,6 +218,12 @@ static int __init lasi_init_chip(struct parisc_device *dev) chassis_power_off = lasi_power_off; return ret; + +err_irq: + free_irq(lasi->gsc_irq.irq, lasi); +err_free: + kfree(lasi); + return ret; } static struct parisc_device_id lasi_tbl[] __initdata = { diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index ba9fcb39ca90d7..e59939ec2022c8 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -1135,9 +1135,9 @@ static int tegra_pcie_dw_parse_dt(struct tegra_pcie_dw *pcie) return err; } - pcie->pex_refclk_sel_gpiod = devm_gpiod_get(pcie->dev, - "nvidia,refclk-select", - GPIOD_OUT_HIGH); + pcie->pex_refclk_sel_gpiod = devm_gpiod_get_optional(pcie->dev, + "nvidia,refclk-select", + GPIOD_OUT_HIGH); if (IS_ERR(pcie->pex_refclk_sel_gpiod)) { int err = PTR_ERR(pcie->pex_refclk_sel_gpiod); const char *level = KERN_ERR; @@ -1771,6 +1771,10 @@ static void pex_ep_event_pex_rst_deassert(struct tegra_pcie_dw *pcie) reset_control_deassert(pcie->core_rst); + val = dw_pcie_readl_dbi(pci, PCIE_LINK_WIDTH_SPEED_CONTROL); + val &= ~PORT_LOGIC_SPEED_CHANGE; + dw_pcie_writel_dbi(pci, PCIE_LINK_WIDTH_SPEED_CONTROL, val); + if (pcie->update_fc_fixup) { val = dw_pcie_readl_dbi(pci, CFG_TIMER_CTRL_MAX_FUNC_NUM_OFF); val |= 0x1 << CFG_TIMER_CTRL_ACK_NAK_SHIFT; diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index e41726ec407c62..bb328fe8179377 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -1901,6 +1901,14 @@ static void hv_pci_assign_numa_node(struct hv_pcibus_device *hbus) if (!hv_dev) continue; + /* + * If the Hyper-V host doesn't provide a NUMA node for the + * device, default to node 0. With NUMA_NO_NODE the kernel + * may spread work across NUMA nodes, which degrades + * performance on Hyper-V. + */ + set_dev_node(&dev->dev, 0); + if (hv_dev->desc.flags & HV_PCI_DEVICE_FLAG_NUMA_AFFINITY && hv_dev->desc.virtual_numa_node < num_possible_nodes()) /* diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index c25bb6bbc6d99c..ecac0f8d7ff510 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -2182,10 +2182,9 @@ EXPORT_SYMBOL_GPL(pci_set_pcie_reset_state); void pcie_clear_device_status(struct pci_dev *dev) { - u16 sta; - - pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &sta); - pcie_capability_write_word(dev, PCI_EXP_DEVSTA, sta); + pcie_capability_write_word(dev, PCI_EXP_DEVSTA, + PCI_EXP_DEVSTA_CED | PCI_EXP_DEVSTA_NFED | + PCI_EXP_DEVSTA_FED | PCI_EXP_DEVSTA_URD); } /** @@ -3681,8 +3680,7 @@ int pci_rebar_set_size(struct pci_dev *pdev, int bar, int size) */ int pci_enable_atomic_ops_to_root(struct pci_dev *dev, u32 cap_mask) { - struct pci_bus *bus = dev->bus; - struct pci_dev *bridge; + struct pci_dev *root, *bridge; u32 cap, ctl2; if (!pci_is_pcie(dev)) @@ -3704,35 +3702,35 @@ int pci_enable_atomic_ops_to_root(struct pci_dev *dev, u32 cap_mask) return -EINVAL; } - while (bus->parent) { - bridge = bus->self; + root = pcie_find_root_port(dev); + if (!root) + return -EINVAL; - pcie_capability_read_dword(bridge, PCI_EXP_DEVCAP2, &cap); + pcie_capability_read_dword(root, PCI_EXP_DEVCAP2, &cap); + if ((cap & cap_mask) != cap_mask) + return -EINVAL; + bridge = pci_upstream_bridge(dev); + while (bridge != root) { switch (pci_pcie_type(bridge)) { - /* Ensure switch ports support AtomicOp routing */ case PCI_EXP_TYPE_UPSTREAM: - case PCI_EXP_TYPE_DOWNSTREAM: - if (!(cap & PCI_EXP_DEVCAP2_ATOMIC_ROUTE)) - return -EINVAL; - break; - - /* Ensure root port supports all the sizes we care about */ - case PCI_EXP_TYPE_ROOT_PORT: - if ((cap & cap_mask) != cap_mask) - return -EINVAL; - break; - } - - /* Ensure upstream ports don't block AtomicOps on egress */ - if (pci_pcie_type(bridge) == PCI_EXP_TYPE_UPSTREAM) { + /* Upstream ports must not block AtomicOps on egress */ pcie_capability_read_dword(bridge, PCI_EXP_DEVCTL2, &ctl2); if (ctl2 & PCI_EXP_DEVCTL2_ATOMIC_EGRESS_BLOCK) return -EINVAL; + fallthrough; + + /* All switch ports need to route AtomicOps */ + case PCI_EXP_TYPE_DOWNSTREAM: + pcie_capability_read_dword(bridge, PCI_EXP_DEVCAP2, + &cap); + if (!(cap & PCI_EXP_DEVCAP2_ATOMIC_ROUTE)) + return -EINVAL; + break; } - bus = bus->parent; + bridge = pci_upstream_bridge(bridge); } pcie_capability_set_word(dev, PCI_EXP_DEVCTL2, diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index d49608b1122cd4..8d39116e07af68 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -853,8 +853,6 @@ static bool is_error_source(struct pci_dev *dev, struct aer_err_info *e_info) * 3) There are multiple errors and prior ID comparing fails; * We check AER status registers to find possible reporter. */ - if (atomic_read(&dev->enable_cnt) == 0) - return false; /* Check if AER is enabled */ pcie_capability_read_word(dev, PCI_EXP_DEVCTL, ®16); diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c index ab487edec2e5b2..9b3ff50cfdc6a4 100644 --- a/drivers/pcmcia/rsrc_nonstatic.c +++ b/drivers/pcmcia/rsrc_nonstatic.c @@ -188,7 +188,7 @@ static void do_io_probe(struct pcmcia_socket *s, unsigned int base, int any; u_char *b, hole, most; - dev_info(&s->dev, "cs: IO port probe %#x-%#x:", base, base+num-1); + pr_info("%s: cs: IO port probe %#x-%#x:", dev_name(&s->dev), base, base+num-1); /* First, what does a floating port look like? */ b = kzalloc(256, GFP_KERNEL); @@ -410,8 +410,8 @@ static int do_mem_probe(struct pcmcia_socket *s, u_long base, u_long num, struct socket_data *s_data = s->resource_data; u_long i, j, bad, fail, step; - dev_info(&s->dev, "cs: memory probe 0x%06lx-0x%06lx:", - base, base+num-1); + pr_info("%s: cs: memory probe 0x%06lx-0x%06lx:", + dev_name(&s->dev), base, base+num-1); bad = fail = 0; step = (num < 0x20000) ? 0x2000 : ((num>>4) & ~0x1fff); /* don't allow too large steps */ diff --git a/drivers/phy/marvell/phy-mvebu-a3700-utmi.c b/drivers/phy/marvell/phy-mvebu-a3700-utmi.c index 8834436bc9dbcc..e3a9278c068425 100644 --- a/drivers/phy/marvell/phy-mvebu-a3700-utmi.c +++ b/drivers/phy/marvell/phy-mvebu-a3700-utmi.c @@ -168,9 +168,8 @@ static int mvebu_a3700_utmi_phy_power_off(struct phy *phy) u32 reg; /* Disable PHY pull-up and enable USB2 suspend */ - reg = readl(utmi->regs + USB2_PHY_CTRL(usb32)); - reg &= ~(RB_USB2PHY_PU | RB_USB2PHY_SUSPM(usb32)); - writel(reg, utmi->regs + USB2_PHY_CTRL(usb32)); + regmap_update_bits(utmi->usb_misc, USB2_PHY_CTRL(usb32), + RB_USB2PHY_PU | RB_USB2PHY_SUSPM(usb32), 0); /* Power down OTG module */ if (usb32) { diff --git a/drivers/pinctrl/nomadik/pinctrl-abx500.c b/drivers/pinctrl/nomadik/pinctrl-abx500.c index 7aa534576a4598..609313d93e31a1 100644 --- a/drivers/pinctrl/nomadik/pinctrl-abx500.c +++ b/drivers/pinctrl/nomadik/pinctrl-abx500.c @@ -850,7 +850,7 @@ static int abx500_pin_config_set(struct pinctrl_dev *pctldev, int ret = -EINVAL; int i; enum pin_config_param param; - enum pin_config_param argument; + unsigned int argument; for (i = 0; i < num_configs; i++) { param = pinconf_to_config_param(configs[i]); diff --git a/drivers/pinctrl/pinctrl-pic32.c b/drivers/pinctrl/pinctrl-pic32.c index a6e2a4a4ca9529..07dc358359e32e 100644 --- a/drivers/pinctrl/pinctrl-pic32.c +++ b/drivers/pinctrl/pinctrl-pic32.c @@ -2162,16 +2162,10 @@ static int pic32_pinctrl_probe(struct platform_device *pdev) if (IS_ERR(pctl->reg_base)) return PTR_ERR(pctl->reg_base); - pctl->clk = devm_clk_get(&pdev->dev, NULL); + pctl->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(pctl->clk)) { ret = PTR_ERR(pctl->clk); - dev_err(&pdev->dev, "clk get failed\n"); - return ret; - } - - ret = clk_prepare_enable(pctl->clk); - if (ret) { - dev_err(&pdev->dev, "clk enable failed\n"); + dev_err(&pdev->dev, "Failed to get and enable clock\n"); return ret; } @@ -2227,16 +2221,10 @@ static int pic32_gpio_probe(struct platform_device *pdev) if (irq < 0) return irq; - bank->clk = devm_clk_get(&pdev->dev, NULL); + bank->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(bank->clk)) { ret = PTR_ERR(bank->clk); - dev_err(&pdev->dev, "clk get failed\n"); - return ret; - } - - ret = clk_prepare_enable(bank->clk); - if (ret) { - dev_err(&pdev->dev, "clk enable failed\n"); + dev_err(&pdev->dev, "Failed to get and enable clock\n"); return ret; } diff --git a/drivers/platform/x86/dell_rbu.c b/drivers/platform/x86/dell_rbu.c index 68a860a97f3196..39c6013cad342b 100644 --- a/drivers/platform/x86/dell_rbu.c +++ b/drivers/platform/x86/dell_rbu.c @@ -30,6 +30,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include +#include #include #include #include @@ -617,9 +618,12 @@ static ssize_t packet_size_write(struct file *filp, struct kobject *kobj, char *buffer, loff_t pos, size_t count) { unsigned long temp; + + if (kstrtoul(buffer, 10, &temp)) + return -EINVAL; + spin_lock(&rbu_data.lock); packet_empty_list(); - sscanf(buffer, "%lu", &temp); if (temp < 0xffffffff) rbu_data.packetsize = temp; diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c index 12d695adf3f74c..f52367363d5305 100644 --- a/drivers/platform/x86/intel-hid.c +++ b/drivers/platform/x86/intel-hid.c @@ -471,12 +471,16 @@ static bool button_array_present(struct platform_device *device) static int intel_hid_probe(struct platform_device *device) { - acpi_handle handle = ACPI_HANDLE(&device->dev); unsigned long long mode, dummy; struct intel_hid_priv *priv; + acpi_handle handle; acpi_status status; int err; + handle = ACPI_HANDLE(&device->dev); + if (!handle) + return -ENODEV; + intel_hid_init_dsm(handle); if (!intel_hid_evaluate_method(handle, INTEL_HID_DSM_HDMM_FN, &mode)) { diff --git a/drivers/platform/x86/surfacepro3_button.c b/drivers/platform/x86/surfacepro3_button.c index d8afed5db94c59..17d3fc81aa6e79 100644 --- a/drivers/platform/x86/surfacepro3_button.c +++ b/drivers/platform/x86/surfacepro3_button.c @@ -245,6 +245,7 @@ static int surface_button_remove(struct acpi_device *device) { struct surface_button *button = acpi_driver_data(device); + device_init_wakeup(&device->dev, false); input_unregister_device(button->input); kfree(button); return 0; diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c index b68bf3a354654e..50f999291d29a1 100644 --- a/drivers/power/supply/max17042_battery.c +++ b/drivers/power/supply/max17042_battery.c @@ -199,7 +199,7 @@ static int max17042_get_battery_health(struct max17042_chip *chip, int *health) goto out; } - if (vbatt > chip->pdata->vmax + MAX17042_VMAX_TOLERANCE) { + if (vbatt > size_add(chip->pdata->vmax, MAX17042_VMAX_TOLERANCE)) { *health = POWER_SUPPLY_HEALTH_OVERVOLTAGE; goto out; } diff --git a/drivers/regulator/act8945a-regulator.c b/drivers/regulator/act8945a-regulator.c index 6a62f946ccae44..1fc1627bfb7bf9 100644 --- a/drivers/regulator/act8945a-regulator.c +++ b/drivers/regulator/act8945a-regulator.c @@ -302,8 +302,9 @@ static int act8945a_pmic_probe(struct platform_device *pdev) num_regulators = ARRAY_SIZE(act8945a_regulators); } + device_set_of_node_from_dev(&pdev->dev, pdev->dev.parent); + config.dev = &pdev->dev; - config.dev->of_node = pdev->dev.parent->of_node; config.driver_data = act8945a; for (i = 0; i < num_regulators; i++) { rdev = devm_regulator_register(&pdev->dev, ®ulators[i], diff --git a/drivers/regulator/max77650-regulator.c b/drivers/regulator/max77650-regulator.c index ca08f94a368d06..f75bb44f04d5e3 100644 --- a/drivers/regulator/max77650-regulator.c +++ b/drivers/regulator/max77650-regulator.c @@ -339,7 +339,7 @@ static int max77650_regulator_probe(struct platform_device *pdev) parent = dev->parent; if (!dev->of_node) - dev->of_node = parent->of_node; + device_set_of_node_from_dev(dev, parent); rdescs = devm_kcalloc(dev, MAX77650_REGULATOR_NUM_REGULATORS, sizeof(*rdescs), GFP_KERNEL); diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c index b1ce3bd724b2c9..81aeb7a191b5f0 100644 --- a/drivers/rtc/class.c +++ b/drivers/rtc/class.c @@ -234,6 +234,8 @@ static struct rtc_device *rtc_allocate_device(void) rtc->pie_timer.function = rtc_pie_update_irq; rtc->pie_enabled = 0; + set_bit(RTC_FEATURE_ALARM, rtc->features); + return rtc; } @@ -404,6 +406,9 @@ int __rtc_register_device(struct module *owner, struct rtc_device *rtc) return -EINVAL; } + if (!rtc->ops->set_alarm) + clear_bit(RTC_FEATURE_ALARM, rtc->features); + rtc->owner = owner; rtc_device_get_offset(rtc); diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 7c9487050b25bb..d35c46498629e4 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -186,7 +186,7 @@ static int rtc_read_alarm_internal(struct rtc_device *rtc, if (!rtc->ops) { err = -ENODEV; - } else if (!rtc->ops->read_alarm) { + } else if (!test_bit(RTC_FEATURE_ALARM, rtc->features) || !rtc->ops->read_alarm) { err = -EINVAL; } else { alarm->enabled = 0; @@ -393,7 +393,7 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) return err; if (!rtc->ops) { err = -ENODEV; - } else if (!rtc->ops->read_alarm) { + } else if (!test_bit(RTC_FEATURE_ALARM, rtc->features)) { err = -EINVAL; } else { memset(alarm, 0, sizeof(struct rtc_wkalrm)); @@ -437,7 +437,7 @@ static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) if (!rtc->ops) err = -ENODEV; - else if (!rtc->ops->set_alarm) + else if (!test_bit(RTC_FEATURE_ALARM, rtc->features)) err = -EINVAL; else err = rtc->ops->set_alarm(rtc->dev.parent, alarm); @@ -475,7 +475,7 @@ int rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm) if (!rtc->ops) return -ENODEV; - else if (!rtc->ops->set_alarm) + else if (!test_bit(RTC_FEATURE_ALARM, rtc->features)) return -EINVAL; err = rtc_valid_tm(&alarm->time); @@ -555,7 +555,7 @@ int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled) /* nothing */; else if (!rtc->ops) err = -ENODEV; - else if (!rtc->ops->alarm_irq_enable) + else if (!test_bit(RTC_FEATURE_ALARM, rtc->features) || !rtc->ops->alarm_irq_enable) err = -EINVAL; else err = rtc->ops->alarm_irq_enable(rtc->dev.parent, enabled); @@ -874,7 +874,7 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer) static void rtc_alarm_disable(struct rtc_device *rtc) { - if (!rtc->ops || !rtc->ops->alarm_irq_enable) + if (!rtc->ops || !test_bit(RTC_FEATURE_ALARM, rtc->features) || !rtc->ops->alarm_irq_enable) return; rtc->ops->alarm_irq_enable(rtc->dev.parent, false); diff --git a/drivers/rtc/rtc-abx80x.c b/drivers/rtc/rtc-abx80x.c index 034b314fb3ec91..8d15a68eedb814 100644 --- a/drivers/rtc/rtc-abx80x.c +++ b/drivers/rtc/rtc-abx80x.c @@ -843,6 +843,8 @@ static int abx80x_probe(struct i2c_client *client, client->irq = 0; } } + if (client->irq <= 0) + clear_bit(RTC_FEATURE_ALARM, priv->rtc->features); err = rtc_add_group(priv->rtc, &rtc_calib_attr_group); if (err) { diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index e5e20ea850aad6..cf2c3c4c590f9b 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -241,7 +241,7 @@ struct subchannel *css_alloc_subchannel(struct subchannel_id schid, return sch; err: - put_device(&sch->dev); + kfree(sch); return ERR_PTR(ret); } diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index 7ebfa3c8cdc78f..39b024448b45cf 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -1254,6 +1254,9 @@ void isci_host_deinit(struct isci_host *ihost) wait_for_stop(ihost); + /* No further IRQ-driven scheduling can happen past wait_for_stop(). */ + tasklet_kill(&ihost->completion_tasklet); + /* phy stop is after controller stop to allow port and device to * go idle before shutting down the phys, but the expectation is * that i/o has been shut off well before we reach this diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 7b6227fde7beb0..4a057748ba1750 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -101,6 +101,7 @@ static void qla24xx_abort_iocb_timeout(void *data) struct qla_qpair *qpair = sp->qpair; u32 handle; unsigned long flags; + int sp_found = 0, cmdsp_found = 0; if (sp->cmd_sp) ql_dbg(ql_dbg_async, sp->vha, 0x507c, @@ -115,22 +116,27 @@ static void qla24xx_abort_iocb_timeout(void *data) spin_lock_irqsave(qpair->qp_lock_ptr, flags); for (handle = 1; handle < qpair->req->num_outstanding_cmds; handle++) { if (sp->cmd_sp && (qpair->req->outstanding_cmds[handle] == - sp->cmd_sp)) + sp->cmd_sp)) { qpair->req->outstanding_cmds[handle] = NULL; + cmdsp_found = 1; + } /* removing the abort */ if (qpair->req->outstanding_cmds[handle] == sp) { qpair->req->outstanding_cmds[handle] = NULL; + sp_found = 1; break; } } spin_unlock_irqrestore(qpair->qp_lock_ptr, flags); - if (sp->cmd_sp) + if (cmdsp_found && sp->cmd_sp) sp->cmd_sp->done(sp->cmd_sp, QLA_OS_TIMER_EXPIRED); - abt->u.abt.comp_status = cpu_to_le16(CS_TIMEOUT); - sp->done(sp, QLA_OS_TIMER_EXPIRED); + if (sp_found) { + abt->u.abt.comp_status = cpu_to_le16(CS_TIMEOUT); + sp->done(sp, QLA_OS_TIMER_EXPIRED); + } } static void qla24xx_abort_sp_done(srb_t *sp, int res) @@ -283,6 +289,8 @@ static void qla2x00_async_login_sp_done(srb_t *sp, int res) ea.iop[0] = lio->u.logio.iop[0]; ea.iop[1] = lio->u.logio.iop[1]; ea.sp = sp; + if (res) + ea.data[0] = MBS_COMMAND_ERROR; qla24xx_handle_plogi_done_event(vha, &ea); } @@ -563,6 +571,8 @@ static void qla2x00_async_adisc_sp_done(srb_t *sp, int res) ea.iop[1] = lio->u.logio.iop[1]; ea.fcport = sp->fcport; ea.sp = sp; + if (res) + ea.data[0] = MBS_COMMAND_ERROR; qla24xx_handle_adisc_event(vha, &ea); @@ -1238,6 +1248,8 @@ static void qla2x00_async_prli_sp_done(srb_t *sp, int res) ea.iop[0] = lio->u.logio.iop[0]; ea.iop[1] = lio->u.logio.iop[1]; ea.sp = sp; + if (res) + ea.data[0] = MBS_COMMAND_ERROR; qla24xx_handle_prli_done_event(vha, &ea); } diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index b24e80a9c8cac4..3c06c035b85c0e 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1647,10 +1647,35 @@ sg_remove_device(struct device *cl_dev, struct class_interface *cl_intf) } module_param_named(scatter_elem_sz, scatter_elem_sz, int, S_IRUGO | S_IWUSR); -module_param_named(def_reserved_size, def_reserved_size, int, - S_IRUGO | S_IWUSR); module_param_named(allow_dio, sg_allow_dio, int, S_IRUGO | S_IWUSR); +static int def_reserved_size_set(const char *val, const struct kernel_param *kp) +{ + int size, ret; + + if (!val) + return -EINVAL; + + ret = kstrtoint(val, 0, &size); + if (ret) + return ret; + + /* limit to 1 MB */ + if (size < 0 || size > 1048576) + return -ERANGE; + + def_reserved_size = size; + return 0; +} + +static const struct kernel_param_ops def_reserved_size_ops = { + .set = def_reserved_size_set, + .get = param_get_int, +}; + +module_param_cb(def_reserved_size, &def_reserved_size_ops, &def_reserved_size, + S_IRUGO | S_IWUSR); + MODULE_AUTHOR("Douglas Gilbert"); MODULE_DESCRIPTION("SCSI generic (sg) driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 464418413ced0e..1a35c392e2c662 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -115,7 +115,7 @@ static int sr_open(struct cdrom_device_info *, int); static void sr_release(struct cdrom_device_info *); static void get_sectorsize(struct scsi_cd *); -static void get_capabilities(struct scsi_cd *); +static int get_capabilities(struct scsi_cd *); static unsigned int sr_check_events(struct cdrom_device_info *cdi, unsigned int clearing, int slot); @@ -438,7 +438,7 @@ static blk_status_t sr_init_command(struct scsi_cmnd *SCpnt) switch (req_op(rq)) { case REQ_OP_WRITE: - if (!cd->writeable) + if (get_disk_ro(cd->disk)) goto out; SCpnt->cmnd[0] = WRITE_10; cd->cdi.media_written = 1; @@ -773,8 +773,10 @@ static int sr_probe(struct device *dev) sdev->sector_size = 2048; /* A guess, just in case */ - /* FIXME: need to handle a get_capabilities failure properly ?? */ - get_capabilities(cd); + error = -ENOMEM; + if (get_capabilities(cd)) + goto fail_minor; + cdrom_probe_write_features(&cd->cdi); sr_vendor_init(cd); set_capacity(disk, cd->capacity); @@ -895,7 +897,7 @@ static void get_sectorsize(struct scsi_cd *cd) return; } -static void get_capabilities(struct scsi_cd *cd) +static int get_capabilities(struct scsi_cd *cd) { unsigned char *buffer; struct scsi_mode_data data; @@ -920,7 +922,7 @@ static void get_capabilities(struct scsi_cd *cd) buffer = kmalloc(512, GFP_KERNEL); if (!buffer) { sr_printk(KERN_ERR, cd, "out of memory.\n"); - return; + return -ENOMEM; } /* eat unit attentions */ @@ -940,7 +942,7 @@ static void get_capabilities(struct scsi_cd *cd) CDC_MRW | CDC_MRW_W | CDC_RAM); kfree(buffer); sr_printk(KERN_INFO, cd, "scsi-1 drive"); - return; + return 0; } n = data.header_length + data.block_descriptor_length; @@ -990,15 +992,8 @@ static void get_capabilities(struct scsi_cd *cd) /*else I don't think it can close its tray cd->cdi.mask |= CDC_CLOSE_TRAY; */ - /* - * if DVD-RAM, MRW-W or CD-RW, we are randomly writable - */ - if ((cd->cdi.mask & (CDC_DVD_RAM | CDC_MRW_W | CDC_RAM | CDC_CD_RW)) != - (CDC_DVD_RAM | CDC_MRW_W | CDC_RAM | CDC_CD_RW)) { - cd->writeable = 1; - } - kfree(buffer); + return 0; } /* diff --git a/drivers/scsi/sr.h b/drivers/scsi/sr.h index 339c624e04d860..ea8a69b04da532 100644 --- a/drivers/scsi/sr.h +++ b/drivers/scsi/sr.h @@ -38,7 +38,6 @@ typedef struct scsi_cd { struct scsi_device *device; unsigned int vendor; /* vendor code, see sr_vendor.c */ unsigned long ms_offset; /* for reading multisession-CD's */ - unsigned writeable : 1; unsigned use:1; /* is this device still supportable */ unsigned xa_flag:1; /* CD has XA sectors ? */ unsigned readcd_known:1; /* drive supports READ_CD (0xbe) */ diff --git a/drivers/soc/qcom/ocmem.c b/drivers/soc/qcom/ocmem.c index bfebdcaf881462..620f171bf06581 100644 --- a/drivers/soc/qcom/ocmem.c +++ b/drivers/soc/qcom/ocmem.c @@ -212,10 +212,9 @@ struct ocmem *of_get_ocmem(struct device *dev) ocmem = platform_get_drvdata(pdev); put_device(&pdev->dev); - if (!ocmem) { - dev_err(dev, "Cannot get ocmem\n"); - return ERR_PTR(-ENODEV); - } + if (!ocmem) + return dev_err_ptr_probe(dev, -EPROBE_DEFER, "Cannot get ocmem\n"); + return ocmem; } EXPORT_SYMBOL(of_get_ocmem); diff --git a/drivers/soc/qcom/qcom_aoss.c b/drivers/soc/qcom/qcom_aoss.c index 401a0be3675aff..6e00a82742a148 100644 --- a/drivers/soc/qcom/qcom_aoss.c +++ b/drivers/soc/qcom/qcom_aoss.c @@ -430,7 +430,7 @@ static int qmp_cdev_set_cur_state(struct thermal_cooling_device *cdev, /* Normalize state */ cdev_state = !!state; - if (qmp_cdev->state == state) + if (qmp_cdev->state == cdev_state) return 0; snprintf(buf, sizeof(buf), diff --git a/drivers/soc/ti/omap_prm.c b/drivers/soc/ti/omap_prm.c index 2ce8a8f4f00521..240426aceca4e2 100644 --- a/drivers/soc/ti/omap_prm.c +++ b/drivers/soc/ti/omap_prm.c @@ -345,6 +345,7 @@ static int omap_prm_domain_attach_dev(struct generic_pm_domain *domain, if (pd_args.args_count != 0) dev_warn(dev, "%s: unusupported #power-domain-cells: %i\n", prmd->pd.name, pd_args.args_count); + of_node_put(pd_args.np); genpd_data = dev_gpd_data(dev); genpd_data->data = NULL; diff --git a/drivers/spi/spi-fsl-qspi.c b/drivers/spi/spi-fsl-qspi.c index 46ae46a944c5ce..2ff26027aafd23 100644 --- a/drivers/spi/spi-fsl-qspi.c +++ b/drivers/spi/spi-fsl-qspi.c @@ -607,7 +607,7 @@ static int fsl_qspi_do_op(struct fsl_qspi *q, const struct spi_mem_op *op) void __iomem *base = q->iobase; int err = 0; - init_completion(&q->c); + reinit_completion(&q->c); /* * Always start the sequence at the same index since we update @@ -913,6 +913,7 @@ static int fsl_qspi_probe(struct platform_device *pdev) if (ret < 0) goto err_disable_clk; + init_completion(&q->c); ret = devm_request_irq(dev, ret, fsl_qspi_irq_handler, 0, pdev->name, q); if (ret) { diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index a4e35c2f7d6ed8..7e133cc8c3e202 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -1764,6 +1764,7 @@ out_bitbang_start: out_runtime_pm_put: pm_runtime_dont_use_autosuspend(spi_imx->dev); pm_runtime_disable(spi_imx->dev); + pm_runtime_put_noidle(spi_imx->dev); pm_runtime_set_suspended(&pdev->dev); clk_disable_unprepare(spi_imx->clk_ipg); diff --git a/drivers/spi/spi-mpc52xx.c b/drivers/spi/spi-mpc52xx.c index be99efafabbce3..086a5b89e666fa 100644 --- a/drivers/spi/spi-mpc52xx.c +++ b/drivers/spi/spi-mpc52xx.c @@ -519,10 +519,11 @@ static int mpc52xx_spi_remove(struct platform_device *op) struct mpc52xx_spi *ms = spi_master_get_devdata(master); int i; - cancel_work_sync(&ms->work); free_irq(ms->irq0, ms); free_irq(ms->irq1, ms); + cancel_work_sync(&ms->work); + for (i = 0; i < ms->gpio_cs_count; i++) gpio_free(ms->gpio_cs[i]); diff --git a/drivers/spi/spi-mtk-nor.c b/drivers/spi/spi-mtk-nor.c index 106e3cacba4c3c..899d2e76f71107 100644 --- a/drivers/spi/spi-mtk-nor.c +++ b/drivers/spi/spi-mtk-nor.c @@ -835,7 +835,7 @@ static int mtk_nor_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); pm_runtime_get_noresume(&pdev->dev); - ret = devm_spi_register_controller(&pdev->dev, ctlr); + ret = spi_register_controller(ctlr); if (ret < 0) goto err_probe; @@ -861,6 +861,8 @@ static int mtk_nor_remove(struct platform_device *pdev) struct spi_controller *ctlr = dev_get_drvdata(&pdev->dev); struct mtk_nor *sp = spi_controller_get_devdata(ctlr); + spi_unregister_controller(ctlr); + pm_runtime_disable(&pdev->dev); pm_runtime_set_suspended(&pdev->dev); pm_runtime_dont_use_autosuspend(&pdev->dev); diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c index b57b8b3cc26ecb..f802d851c43d90 100644 --- a/drivers/spi/spi-orion.c +++ b/drivers/spi/spi-orion.c @@ -725,6 +725,7 @@ static int orion_spi_probe(struct platform_device *pdev) pm_runtime_set_active(&pdev->dev); pm_runtime_use_autosuspend(&pdev->dev); pm_runtime_set_autosuspend_delay(&pdev->dev, SPI_AUTOSUSPEND_TIMEOUT); + pm_runtime_get_noresume(&pdev->dev); pm_runtime_enable(&pdev->dev); status = orion_spi_reset(spi); @@ -736,10 +737,15 @@ static int orion_spi_probe(struct platform_device *pdev) if (status < 0) goto out_rel_pm; + pm_runtime_put_autosuspend(&pdev->dev); + return status; out_rel_pm: pm_runtime_disable(&pdev->dev); + pm_runtime_put_noidle(&pdev->dev); + pm_runtime_set_suspended(&pdev->dev); + pm_runtime_dont_use_autosuspend(&pdev->dev); out_rel_axi_clk: clk_disable_unprepare(spi->axi_clk); out_rel_clk: diff --git a/drivers/spi/spi-sprd.c b/drivers/spi/spi-sprd.c index 28e70db9bbba85..12c09989bf1507 100644 --- a/drivers/spi/spi-sprd.c +++ b/drivers/spi/spi-sprd.c @@ -995,7 +995,8 @@ err_rpm_put: disable_clk: clk_disable_unprepare(ss->clk); release_dma: - sprd_spi_dma_release(ss); + if (ss->dma.enable) + sprd_spi_dma_release(ss); free_controller: spi_controller_put(sctlr); diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c index 081da1fd3fd7ef..cefe525d1fd06e 100644 --- a/drivers/spi/spi-ti-qspi.c +++ b/drivers/spi/spi-ti-qspi.c @@ -873,6 +873,7 @@ static int ti_qspi_probe(struct platform_device *pdev) dev_err(qspi->dev, "dma_alloc_coherent failed, using PIO mode\n"); dma_release_channel(qspi->rx_chan); + qspi->rx_chan = NULL; goto no_dma; } master->dma_rx = qspi->rx_chan; diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c index 7fb020a1d66aa6..26e2d355bd199e 100644 --- a/drivers/spi/spi-topcliff-pch.c +++ b/drivers/spi/spi-topcliff-pch.c @@ -1426,9 +1426,6 @@ static int pch_spi_pd_remove(struct platform_device *plat_dev) dev_dbg(&plat_dev->dev, "%s:[ch%d] irq=%d\n", __func__, plat_dev->id, board_dat->pdev->irq); - if (use_dma) - pch_free_dma_buf(board_dat, data); - /* check for any pending messages; no action is taken if the queue * is still full; but at least we tried. Unload anyway */ count = 500; @@ -1452,6 +1449,9 @@ static int pch_spi_pd_remove(struct platform_device *plat_dev) free_irq(board_dat->pdev->irq, data); } + if (use_dma) + pch_free_dma_buf(board_dat, data); + pci_iounmap(board_dat->pdev, data->io_remap_addr); spi_unregister_master(data->master); diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c index 408b83882dae2c..bbc91881563459 100644 --- a/drivers/spi/spi-zynqmp-gqspi.c +++ b/drivers/spi/spi-zynqmp-gqspi.c @@ -1175,7 +1175,7 @@ static int zynqmp_qspi_probe(struct platform_device *pdev) SPI_TX_DUAL | SPI_TX_QUAD; ctlr->dev.of_node = np; - ret = devm_spi_register_controller(&pdev->dev, ctlr); + ret = spi_register_controller(ctlr); if (ret) { dev_err(&pdev->dev, "spi_register_controller failed\n"); goto clk_dis_all; @@ -1209,6 +1209,8 @@ static int zynqmp_qspi_remove(struct platform_device *pdev) { struct zynqmp_qspi *xqspi = platform_get_drvdata(pdev); + spi_unregister_controller(xqspi->ctlr); + zynqmp_gqspi_write(xqspi, GQSPI_EN_OFST, 0x0); clk_disable_unprepare(xqspi->refclk); clk_disable_unprepare(xqspi->pclk); diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c index 4615e4cae718b9..490c9b7f58c9f8 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c +++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c @@ -2865,6 +2865,10 @@ static long atomisp_vidioc_default(struct file *file, void *fh, bool acc_node; int err; + /* Disable all private IOCTLs for now! */ + if (cmd) + return -EINVAL; + acc_node = !strcmp(vdev->name, "ATOMISP ISP ACC"); if (acc_node) asd = atomisp_to_acc_pipe(vdev)->asd; diff --git a/drivers/staging/rtl8723bs/core/rtw_security.c b/drivers/staging/rtl8723bs/core/rtw_security.c index cc709e849f39f4..bf15902b3cef21 100644 --- a/drivers/staging/rtl8723bs/core/rtw_security.c +++ b/drivers/staging/rtl8723bs/core/rtw_security.c @@ -1889,7 +1889,7 @@ u32 rtw_BIP_verify(struct adapter *padapter, u8 *precvframe) u8 mic[16]; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; __le16 le_tmp; - __le64 le_tmp64; + __le64 le_tmp64 = 0; ori_len = pattrib->pkt_len-WLAN_HDR_A3_LEN+BIP_AAD_SIZE; BIP_AAD = rtw_zmalloc(ori_len); diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c index 029f0d09e9668a..36eb7e5418998b 100644 --- a/drivers/staging/sm750fb/sm750.c +++ b/drivers/staging/sm750fb/sm750.c @@ -482,6 +482,9 @@ static int lynxfb_ops_check_var(struct fb_var_screeninfo *var, struct lynxfb_crtc *crtc; resource_size_t request; + if (!var->pixclock) + return -EINVAL; + ret = 0; par = info->par; crtc = &par->crtc; diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 182a89ecc54284..a4dd179e735bae 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -3043,7 +3043,7 @@ static ssize_t target_tg_pt_gp_members_show(struct config_item *item, config_item_name(&lun->lun_group.cg_item)); cur_len++; /* Extra byte for NULL terminator */ - if ((cur_len + len) > PAGE_SIZE) { + if (cur_len > TG_PT_GROUP_NAME_BUF || (cur_len + len) > PAGE_SIZE) { pr_warn("Ran out of lu_gp_show_attr" "_members buffer\n"); break; diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index f2809c44988b56..c997943efe777b 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -1201,7 +1201,8 @@ sbc_execute_unmap(struct se_cmd *cmd) goto err; } - if (lba + range > dev->transport->get_blocks(dev) + 1) { + if (lba + range < lba || + lba + range > dev->transport->get_blocks(dev) + 1) { ret = TCM_ADDRESS_OUT_OF_RANGE; goto err; } diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c index 28913867cd4bcd..a064a4eb31fbad 100644 --- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c +++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c @@ -466,7 +466,7 @@ static void int3400_setup_gddv(struct int3400_thermal_priv *priv) priv->data_vault = kmemdup(obj->package.elements[0].buffer.pointer, obj->package.elements[0].buffer.length, GFP_KERNEL); - if (!priv->data_vault) { + if (ZERO_OR_NULL_PTR(priv->data_vault)) { kfree(buffer.pointer); return; } @@ -531,7 +531,7 @@ static int int3400_thermal_probe(struct platform_device *pdev) if (result) goto free_rel_misc; - if (priv->data_vault) { + if (!ZERO_OR_NULL_PTR(priv->data_vault)) { result = sysfs_create_group(&pdev->dev.kobj, &data_attribute_group); if (result) @@ -549,7 +549,8 @@ static int int3400_thermal_probe(struct platform_device *pdev) free_sysfs: cleanup_odvp(priv); if (priv->data_vault) { - sysfs_remove_group(&pdev->dev.kobj, &data_attribute_group); + if (!ZERO_OR_NULL_PTR(priv->data_vault)) + sysfs_remove_group(&pdev->dev.kobj, &data_attribute_group); kfree(priv->data_vault); } free_uuid: @@ -579,7 +580,7 @@ static int int3400_thermal_remove(struct platform_device *pdev) if (!priv->rel_misc_dev_res) acpi_thermal_rel_misc_device_remove(priv->adev->handle); - if (priv->data_vault) + if (!ZERO_OR_NULL_PTR(priv->data_vault)) sysfs_remove_group(&pdev->dev.kobj, &data_attribute_group); sysfs_remove_group(&pdev->dev.kobj, &uuid_attribute_group); thermal_zone_device_unregister(priv->thermal); diff --git a/drivers/thermal/spear_thermal.c b/drivers/thermal/spear_thermal.c index ee33ed692e4f7e..42d8736d5ba491 100644 --- a/drivers/thermal/spear_thermal.c +++ b/drivers/thermal/spear_thermal.c @@ -94,7 +94,7 @@ static int spear_thermal_probe(struct platform_device *pdev) struct resource *res; int ret = 0, val; - if (!np || !of_property_read_u32(np, "st,thermal-flags", &val)) { + if (!np || of_property_read_u32(np, "st,thermal-flags", &val)) { dev_err(&pdev->dev, "Failed: DT Pdata not passed\n"); return -EINVAL; } diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c index fff80fc1800284..2dd54b72ab0b88 100644 --- a/drivers/thermal/sprd_thermal.c +++ b/drivers/thermal/sprd_thermal.c @@ -178,7 +178,7 @@ static int sprd_thm_sensor_calibration(struct device_node *np, static int sprd_thm_rawdata_to_temp(struct sprd_thermal_sensor *sen, u32 rawdata) { - clamp(rawdata, (u32)SPRD_THM_RAW_DATA_LOW, (u32)SPRD_THM_RAW_DATA_HIGH); + rawdata = clamp(rawdata, SPRD_THM_RAW_DATA_LOW, SPRD_THM_RAW_DATA_HIGH); /* * According to the thermal datasheet, the formula of converting @@ -192,7 +192,7 @@ static int sprd_thm_temp_to_rawdata(int temp, struct sprd_thermal_sensor *sen) { u32 val; - clamp(temp, (int)SPRD_THM_TEMP_LOW, (int)SPRD_THM_TEMP_HIGH); + temp = clamp(temp, SPRD_THM_TEMP_LOW, SPRD_THM_TEMP_HIGH); /* * According to the thermal datasheet, the formula of converting diff --git a/drivers/tty/hvc/hvc_iucv.c b/drivers/tty/hvc/hvc_iucv.c index 796fbff623f6e9..c031f8947a9356 100644 --- a/drivers/tty/hvc/hvc_iucv.c +++ b/drivers/tty/hvc/hvc_iucv.c @@ -29,7 +29,6 @@ /* General device driver settings */ -#define HVC_IUCV_MAGIC 0xc9e4c3e5 #define MAX_HVC_IUCV_LINES HVC_ALLOC_TTY_ADAPTERS #define MEMPOOL_MIN_NR (PAGE_SIZE / sizeof(struct iucv_tty_buffer)/4) @@ -131,9 +130,9 @@ static struct iucv_handler hvc_iucv_handler = { */ static struct hvc_iucv_private *hvc_iucv_get_private(uint32_t num) { - if ((num < HVC_IUCV_MAGIC) || (num - HVC_IUCV_MAGIC > hvc_iucv_devices)) + if (num >= hvc_iucv_devices) return NULL; - return hvc_iucv_table[num - HVC_IUCV_MAGIC]; + return hvc_iucv_table[num]; } /** @@ -1119,8 +1118,8 @@ static int __init hvc_iucv_alloc(int id, unsigned int is_console) priv->is_console = is_console; /* allocate hvc device */ - priv->hvc = hvc_alloc(HVC_IUCV_MAGIC + id, /* PAGE_SIZE */ - HVC_IUCV_MAGIC + id, &hvc_iucv_ops, 256); + priv->hvc = hvc_alloc(id, /* PAGE_SIZE */ + id, &hvc_iucv_ops, 256); if (IS_ERR(priv->hvc)) { rc = PTR_ERR(priv->hvc); goto out_error_hvc; @@ -1424,7 +1423,7 @@ static int __init hvc_iucv_init(void) /* register the first terminal device as console * (must be done before allocating hvc terminal devices) */ - rc = hvc_instantiate(HVC_IUCV_MAGIC, IUCV_HVC_CON_IDX, &hvc_iucv_ops); + rc = hvc_instantiate(0, IUCV_HVC_CON_IDX, &hvc_iucv_ops); if (rc) { pr_err("Registering HVC terminal device as " "Linux console failed\n"); diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 759f567538e2a1..b760556584889a 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -1166,7 +1166,7 @@ static int usblp_probe(struct usb_interface *intf, } /* Allocate buffer for printer status */ - usblp->statusbuf = kmalloc(STATUS_BUF_SIZE, GFP_KERNEL); + usblp->statusbuf = kzalloc(STATUS_BUF_SIZE, GFP_KERNEL); if (!usblp->statusbuf) { retval = -ENOMEM; goto abort; @@ -1365,6 +1365,7 @@ static int usblp_cache_device_id_string(struct usblp *usblp) { int err, length; + memset(usblp->device_id_string, 0, USBLP_DEVICE_ID_SIZE); err = usblp_get_id(usblp, 0, usblp->device_id_string, USBLP_DEVICE_ID_SIZE - 1); if (err < 0) { dev_dbg(&usblp->intf->dev, diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c index ddb316dd2a8279..9d68d7f0d56777 100644 --- a/drivers/usb/common/ulpi.c +++ b/drivers/usb/common/ulpi.c @@ -246,12 +246,15 @@ static int ulpi_register(struct device *dev, struct ulpi *ulpi) ACPI_COMPANION_SET(&ulpi->dev, ACPI_COMPANION(dev)); ret = ulpi_of_register(ulpi); - if (ret) + if (ret) { + kfree(ulpi); return ret; + } ret = ulpi_read_id(ulpi); if (ret) { of_node_put(ulpi->dev.of_node); + kfree(ulpi); return ret; } diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c index ea5f2cf3302061..b15eda52829d8f 100644 --- a/drivers/usb/gadget/function/f_ncm.c +++ b/drivers/usb/gadget/function/f_ncm.c @@ -1218,8 +1218,8 @@ parse_ntb: block_len = get_ncm(&tmp, opts->block_length); /* (d)wBlockLength */ - if (block_len > ntb_max) { - INFO(port->func.config->cdev, "OUT size exceeded\n"); + if ((block_len < opts->nth_size + opts->ndp_size) || (block_len > ntb_max)) { + INFO(port->func.config->cdev, "Bad block length: %#X\n", block_len); goto err; } diff --git a/drivers/usb/gadget/function/f_phonet.c b/drivers/usb/gadget/function/f_phonet.c index 0b468f5d55bc5d..1337b27e211703 100644 --- a/drivers/usb/gadget/function/f_phonet.c +++ b/drivers/usb/gadget/function/f_phonet.c @@ -330,6 +330,15 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req) if (unlikely(!skb)) break; + if (unlikely(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS)) { + /* Frame count from host exceeds frags[] capacity */ + dev_kfree_skb_any(skb); + if (fp->rx.skb == skb) + fp->rx.skb = NULL; + dev->stats.rx_length_errors++; + break; + } + if (skb->len == 0) { /* First fragment */ skb->protocol = htons(ETH_P_PHONET); skb_reset_mac_header(skb); diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c index 494da00398d7cb..bb9e6d4f9cdee5 100644 --- a/drivers/usb/gadget/udc/omap_udc.c +++ b/drivers/usb/gadget/udc/omap_udc.c @@ -731,8 +731,6 @@ static void dma_channel_claim(struct omap_ep *ep, unsigned channel) if (status == 0) { omap_writew(reg, UDC_TXDMA_CFG); /* EMIFF or SDRC */ - omap_set_dma_src_burst_mode(ep->lch, - OMAP_DMA_DATA_BURST_4); omap_set_dma_src_data_pack(ep->lch, 1); /* TIPB */ omap_set_dma_dest_params(ep->lch, @@ -754,8 +752,6 @@ static void dma_channel_claim(struct omap_ep *ep, unsigned channel) UDC_DATA_DMA, 0, 0); /* EMIFF or SDRC */ - omap_set_dma_dest_burst_mode(ep->lch, - OMAP_DMA_DATA_BURST_4); omap_set_dma_dest_data_pack(ep->lch, 1); } } diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 3cc65f1d2a0665..165ea44e902ff0 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -1611,6 +1611,10 @@ static bool usb3_std_req_get_status(struct renesas_usb3 *usb3, break; case USB_RECIP_ENDPOINT: num = le16_to_cpu(ctrl->wIndex) & USB_ENDPOINT_NUMBER_MASK; + if (num >= usb3->num_usb3_eps) { + stall = true; + break; + } usb3_ep = usb3_get_ep(usb3, num); if (usb3_ep->halt) status |= 1 << USB_ENDPOINT_HALT; @@ -1723,7 +1727,8 @@ static bool usb3_std_req_feature_endpoint(struct renesas_usb3 *usb3, struct renesas_usb3_ep *usb3_ep; struct renesas_usb3_request *usb3_req; - if (le16_to_cpu(ctrl->wValue) != USB_ENDPOINT_HALT) + if ((le16_to_cpu(ctrl->wValue) != USB_ENDPOINT_HALT) || + (num >= usb3->num_usb3_eps)) return true; /* stall */ usb3_ep = usb3_get_ep(usb3, num); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index d3573c59fb8d11..11daaffa07bf5a 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3159,7 +3159,6 @@ rescan: xhci_dbg(xhci, "endpoint disable with ep_state 0x%x\n", ep->ep_state); done: - host_ep->hcpriv = NULL; spin_unlock_irqrestore(&xhci->lock, flags); } diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 859080768abbd5..dadc6862c01bf6 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1383,6 +1383,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(2) | RSVD(3) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1073, 0xff), /* Telit FN990A (ECM) */ .driver_info = NCTRL(0) | RSVD(1) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1074, 0xff), /* Telit FN990A (MBIM) */ + .driver_info = NCTRL(5) | RSVD(6) | RSVD(7) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1075, 0xff), /* Telit FN990A (PCIe) */ .driver_info = RSVD(0) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1077, 0xff), /* Telit FN990A (rmnet + audio) */ @@ -1511,7 +1513,11 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1231, 0xff), /* Telit LE910Cx (RNDIS) */ .driver_info = NCTRL(2) | RSVD(3) }, { USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x1250, 0xff, 0x00, 0x00) }, /* Telit LE910Cx (rmnet) */ + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1251, 0xff) }, /* Telit LE910Cx (RNDIS) */ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1252, 0xff) }, /* Telit LE910Cx (MBIM) */ + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1253, 0xff) }, /* Telit LE910Cx (ECM) */ + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1254, 0xff) }, /* Telit LE910Cx */ + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1255, 0xff) }, /* Telit LE910Cx */ { USB_DEVICE(TELIT_VENDOR_ID, 0x1260), .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) }, { USB_DEVICE(TELIT_VENDOR_ID, 0x1261), diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index 3aefb70e102324..f5614709e08a65 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2339,10 +2339,11 @@ UNUSUAL_DEV( 0x2027, 0xa001, 0x0000, 0x9999, US_FL_SCM_MULT_TARG ), /* - * Reported by DocMAX - * and Thomas Weißschuh + * Reported by DocMAX , + * Thomas Weißschuh + * and Daniel Brát */ -UNUSUAL_DEV( 0x2109, 0x0715, 0x9999, 0x9999, +UNUSUAL_DEV( 0x2109, 0x0715, 0x0000, 0x9999, "VIA Labs, Inc.", "VL817 SATA Bridge", USB_SC_DEVICE, USB_PR_DEVICE, NULL, diff --git a/drivers/usb/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c index 4ce6c6a45eb11a..171c15a4d72bcb 100644 --- a/drivers/usb/usbip/usbip_common.c +++ b/drivers/usb/usbip/usbip_common.c @@ -389,6 +389,18 @@ static void usbip_pack_ret_submit(struct usbip_header *pdu, struct urb *urb, urb->status = rpdu->status; urb->actual_length = rpdu->actual_length; urb->start_frame = rpdu->start_frame; + /* + * The number_of_packets field determines the length of + * iso_frame_desc[], which is a flexible array allocated + * at URB creation time. A response must never claim more + * packets than originally submitted; doing so would cause + * an out-of-bounds write in usbip_recv_iso() and + * usbip_pad_iso(). Clamp to zero on violation so both + * functions safely return early. + */ + if (rpdu->number_of_packets < 0 || + rpdu->number_of_packets > urb->number_of_packets) + rpdu->number_of_packets = 0; urb->number_of_packets = rpdu->number_of_packets; urb->error_count = rpdu->error_count; } diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index c9f30aa50879d9..dbc2228939265a 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -544,7 +544,7 @@ static void vhost_net_busy_poll(struct vhost_net *net, busyloop_timeout = poll_rx ? rvq->busyloop_timeout: tvq->busyloop_timeout; - preempt_disable(); + migrate_disable(); endtime = busy_clock() + busyloop_timeout; while (vhost_can_busy_poll(endtime)) { @@ -561,7 +561,7 @@ static void vhost_net_busy_poll(struct vhost_net *net, cpu_relax(); } - preempt_enable(); + migrate_enable(); if (poll_rx || sock_has_rx_data(sock)) vhost_net_busy_poll_try_queue(net, vq); diff --git a/drivers/video/backlight/sky81452-backlight.c b/drivers/video/backlight/sky81452-backlight.c index 8268ac43d54f78..5375dc7d7cd95a 100644 --- a/drivers/video/backlight/sky81452-backlight.c +++ b/drivers/video/backlight/sky81452-backlight.c @@ -204,6 +204,9 @@ static struct sky81452_bl_platform_data *sky81452_bl_parse_dt( pdata->dpwm_mode = of_property_read_bool(np, "skyworks,dpwm-mode"); pdata->phase_shift = of_property_read_bool(np, "skyworks,phase-shift"); pdata->gpiod_enable = devm_gpiod_get_optional(dev, NULL, GPIOD_OUT_HIGH); + if (IS_ERR(pdata->gpiod_enable)) + return dev_err_cast_probe(dev, pdata->gpiod_enable, + "failed to get gpio\n"); ret = of_property_count_u32_elems(np, "led-sources"); if (ret < 0) { diff --git a/drivers/video/fbdev/matrox/g450_pll.c b/drivers/video/fbdev/matrox/g450_pll.c index ff8e321a22cefc..b2d3f7328ea83c 100644 --- a/drivers/video/fbdev/matrox/g450_pll.c +++ b/drivers/video/fbdev/matrox/g450_pll.c @@ -407,7 +407,7 @@ static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout, case M_VIDEO_PLL: { u_int8_t tmp; - unsigned int mnp; + unsigned int mnp __maybe_unused; unsigned long flags; matroxfb_DAC_lock_irqsave(flags); diff --git a/drivers/video/fbdev/offb.c b/drivers/video/fbdev/offb.c index 4501e848a36f2c..593aad22248e63 100644 --- a/drivers/video/fbdev/offb.c +++ b/drivers/video/fbdev/offb.c @@ -643,8 +643,13 @@ static void __init offb_init_nodriver(struct device_node *dp, int no_real_node) vid = be32_to_cpup(vidp); did = be32_to_cpup(didp); pdev = pci_get_device(vid, did, NULL); - if (!pdev || pci_enable_device(pdev)) + if (!pdev) return; + + if (pci_enable_device(pdev)) { + pci_dev_put(pdev); + return; + } } #endif /* kludge for valkyrie */ diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c index f056d80f6359f2..569c3b4c8c89ca 100644 --- a/drivers/video/fbdev/tdfxfb.c +++ b/drivers/video/fbdev/tdfxfb.c @@ -497,6 +497,9 @@ static int tdfxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) } } + if (!var->pixclock) + return -EINVAL; + if (PICOS2KHZ(var->pixclock) > par->max_pixclock) { DPRINTK("pixclock too high (%ldKHz)\n", PICOS2KHZ(var->pixclock)); diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c index 0de7b867714a7e..917c218644acdc 100644 --- a/drivers/video/fbdev/udlfb.c +++ b/drivers/video/fbdev/udlfb.c @@ -321,12 +321,32 @@ static int dlfb_set_video_mode(struct dlfb_data *dlfb, return retval; } +static void dlfb_vm_open(struct vm_area_struct *vma) +{ + struct dlfb_data *dlfb = vma->vm_private_data; + + atomic_inc(&dlfb->mmap_count); +} + +static void dlfb_vm_close(struct vm_area_struct *vma) +{ + struct dlfb_data *dlfb = vma->vm_private_data; + + atomic_dec(&dlfb->mmap_count); +} + +static const struct vm_operations_struct dlfb_vm_ops = { + .open = dlfb_vm_open, + .close = dlfb_vm_close, +}; + static int dlfb_ops_mmap(struct fb_info *info, struct vm_area_struct *vma) { unsigned long start = vma->vm_start; unsigned long size = vma->vm_end - vma->vm_start; unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; unsigned long page, pos; + struct dlfb_data *dlfb = info->par; if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) return -EINVAL; @@ -353,6 +373,9 @@ static int dlfb_ops_mmap(struct fb_info *info, struct vm_area_struct *vma) size = 0; } + vma->vm_ops = &dlfb_vm_ops; + vma->vm_private_data = dlfb; + atomic_inc(&dlfb->mmap_count); return 0; } @@ -1077,6 +1100,9 @@ static int dlfb_ops_check_var(struct fb_var_screeninfo *var, struct fb_videomode mode; struct dlfb_data *dlfb = info->par; + if (!var->pixclock) + return -EINVAL; + /* set device-specific elements of var unrelated to mode */ dlfb_var_color_format(var); @@ -1215,7 +1241,6 @@ static void dlfb_deferred_vfree(struct dlfb_data *dlfb, void *mem) /* * Assumes &info->lock held by caller - * Assumes no active clients have framebuffer open */ static int dlfb_realloc_framebuffer(struct dlfb_data *dlfb, struct fb_info *info, u32 new_len) { @@ -1227,6 +1252,13 @@ static int dlfb_realloc_framebuffer(struct dlfb_data *dlfb, struct fb_info *info new_len = PAGE_ALIGN(new_len); if (new_len > old_len) { + if (atomic_read(&dlfb->mmap_count) > 0) { + dev_warn(info->dev, + "refusing realloc: %d active mmaps\n", + atomic_read(&dlfb->mmap_count)); + return -EBUSY; + } + /* * Alloc system memory for virtual framebuffer */ diff --git a/fs/adfs/super.c b/fs/adfs/super.c index bdbd26e571ed37..7da236fd7a119b 100644 --- a/fs/adfs/super.c +++ b/fs/adfs/super.c @@ -343,6 +343,9 @@ static int adfs_validate_bblk(struct super_block *sb, struct buffer_head *bh, if (adfs_checkdiscrecord(dr)) return -EILSEQ; + if ((dr->nzones | dr->nzones_high << 8) == 0) + return -EILSEQ; + *drp = dr; return 0; } diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 3d0b854e0c19d6..38405087cc842e 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -1983,10 +1983,10 @@ static int __process_pages_contig(struct address_space *mapping, pages_locked++; continue; } - if (page_ops & PAGE_CLEAR_DIRTY) + if (page_ops & PAGE_START_WRITEBACK) { clear_page_dirty_for_io(pages[i]); - if (page_ops & PAGE_SET_WRITEBACK) set_page_writeback(pages[i]); + } if (page_ops & PAGE_SET_ERROR) SetPageError(pages[i]); if (page_ops & PAGE_END_WRITEBACK) diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index e8ab48e5f282d7..03aa1e6b3d3320 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -34,12 +34,12 @@ enum { /* these are flags for __process_pages_contig */ #define PAGE_UNLOCK (1 << 0) -#define PAGE_CLEAR_DIRTY (1 << 1) -#define PAGE_SET_WRITEBACK (1 << 2) -#define PAGE_END_WRITEBACK (1 << 3) -#define PAGE_SET_PRIVATE2 (1 << 4) -#define PAGE_SET_ERROR (1 << 5) -#define PAGE_LOCK (1 << 6) +/* Page starts writeback, clear dirty bit and set writeback bit */ +#define PAGE_START_WRITEBACK (1 << 1) +#define PAGE_END_WRITEBACK (1 << 2) +#define PAGE_SET_PRIVATE2 (1 << 3) +#define PAGE_SET_ERROR (1 << 4) +#define PAGE_LOCK (1 << 5) /* * page->private values. Every page that is controlled by the extent diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 7e66ebb91af785..3631d05746073a 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -642,8 +642,7 @@ cont: NULL, clear_flags, PAGE_UNLOCK | - PAGE_CLEAR_DIRTY | - PAGE_SET_WRITEBACK | + PAGE_START_WRITEBACK | page_error_op | PAGE_END_WRITEBACK); @@ -884,8 +883,7 @@ retry: async_extent->start + async_extent->ram_size - 1, NULL, EXTENT_LOCKED | EXTENT_DELALLOC, - PAGE_UNLOCK | PAGE_CLEAR_DIRTY | - PAGE_SET_WRITEBACK); + PAGE_UNLOCK | PAGE_START_WRITEBACK); if (btrfs_submit_compressed_write(inode, async_extent->start, async_extent->ram_size, ins.objectid, @@ -920,10 +918,9 @@ out_free: async_extent->ram_size - 1, NULL, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DELALLOC_NEW | - EXTENT_DEFRAG | EXTENT_DO_ACCOUNTING, - PAGE_UNLOCK | PAGE_CLEAR_DIRTY | - PAGE_SET_WRITEBACK | PAGE_END_WRITEBACK | - PAGE_SET_ERROR); + EXTENT_DEFRAG | EXTENT_CLEAR_META_RESV, + PAGE_UNLOCK | PAGE_START_WRITEBACK | + PAGE_END_WRITEBACK | PAGE_SET_ERROR); free_async_extent_pages(async_extent); kfree(async_extent); goto again; @@ -1020,8 +1017,7 @@ static noinline int cow_file_range(struct btrfs_inode *inode, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DELALLOC_NEW | EXTENT_DEFRAG | EXTENT_DO_ACCOUNTING, PAGE_UNLOCK | - PAGE_CLEAR_DIRTY | PAGE_SET_WRITEBACK | - PAGE_END_WRITEBACK); + PAGE_START_WRITEBACK | PAGE_END_WRITEBACK); *nr_written = *nr_written + (end - start + PAGE_SIZE) / PAGE_SIZE; *page_started = 1; @@ -1143,8 +1139,7 @@ out_reserve: out_unlock: clear_bits = EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DELALLOC_NEW | EXTENT_DEFRAG | EXTENT_CLEAR_META_RESV; - page_ops = PAGE_UNLOCK | PAGE_CLEAR_DIRTY | PAGE_SET_WRITEBACK | - PAGE_END_WRITEBACK; + page_ops = PAGE_UNLOCK | PAGE_START_WRITEBACK | PAGE_END_WRITEBACK; /* * If we reserved an extent for our delalloc range (or a subrange) and * failed to create the respective ordered extent, then it means that @@ -1269,9 +1264,8 @@ static int cow_file_range_async(struct btrfs_inode *inode, unsigned clear_bits = EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DELALLOC_NEW | EXTENT_DEFRAG | EXTENT_DO_ACCOUNTING; - unsigned long page_ops = PAGE_UNLOCK | PAGE_CLEAR_DIRTY | - PAGE_SET_WRITEBACK | PAGE_END_WRITEBACK | - PAGE_SET_ERROR; + unsigned long page_ops = PAGE_UNLOCK | PAGE_START_WRITEBACK | + PAGE_END_WRITEBACK | PAGE_SET_ERROR; extent_clear_unlock_delalloc(inode, start, end, locked_page, clear_bits, page_ops); @@ -1468,8 +1462,7 @@ static noinline int run_delalloc_nocow(struct btrfs_inode *inode, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DO_ACCOUNTING | EXTENT_DEFRAG, PAGE_UNLOCK | - PAGE_CLEAR_DIRTY | - PAGE_SET_WRITEBACK | + PAGE_START_WRITEBACK | PAGE_END_WRITEBACK); return -ENOMEM; } @@ -1782,8 +1775,7 @@ error: locked_page, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DEFRAG | EXTENT_DO_ACCOUNTING, PAGE_UNLOCK | - PAGE_CLEAR_DIRTY | - PAGE_SET_WRITEBACK | + PAGE_START_WRITEBACK | PAGE_END_WRITEBACK); btrfs_free_path(path); return ret; diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index 76322c0f6e5f31..d1fd81b1b541c8 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -1132,6 +1132,7 @@ retry: do_sync: spin_unlock(&ci->i_ceph_lock); + ceph_buffer_put(old_blob); do_sync_unlocked: if (lock_snap_rwsem) up_read(&mdsc->snap_rwsem); diff --git a/fs/cifs/cifs_spnego.c b/fs/cifs/cifs_spnego.c index 4f9d08ac9dde5f..5b7614451033be 100644 --- a/fs/cifs/cifs_spnego.c +++ b/fs/cifs/cifs_spnego.c @@ -20,6 +20,7 @@ */ #include +#include #include #include #include @@ -58,12 +59,27 @@ cifs_spnego_key_destroy(struct key *key) kfree(key->payload.data[0]); } +static int +cifs_spnego_key_vet_description(const char *description) +{ + /* + * cifs.spnego descriptions are authority-bearing inputs to cifs.upcall. + * They are only valid when produced by CIFS while using the private + * spnego_cred installed below. Do not let userspace create this type + * of key through request_key(2)/add_key(2), since the helper treats + * pid/uid/creduid/upcall_target as kernel-originating fields. + */ + if (current_cred() != spnego_cred) + return -EPERM; + return 0; +} /* * keytype for CIFS spnego keys */ struct key_type cifs_spnego_key_type = { .name = "cifs.spnego", + .vet_description = cifs_spnego_key_vet_description, .instantiate = cifs_spnego_key_instantiate, .destroy = cifs_spnego_key_destroy, .describe = user_describe, diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 769c7759601db9..3ce86a88fad4a2 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -4770,6 +4770,8 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol) rc = dfs_cache_add_vol(mntdata, vol, cifs_sb->origin_fullpath); if (rc) goto error; + /* mntdata is now owned by vol_list */ + mntdata = NULL; /* * After reconnecting to a different server, unique ids won't * match anymore, so we disable serverino. This prevents @@ -4786,9 +4788,13 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol) vol->prepath = NULL; out: - free_xid(xid); cifs_try_adding_channels(ses); - return mount_setup_tlink(cifs_sb, ses, tcon); + rc = mount_setup_tlink(cifs_sb, ses, tcon); + if (rc) + goto error; + + free_xid(xid); + return rc; error: kfree(ref_path); @@ -4820,9 +4826,12 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol) goto error; } - free_xid(xid); + rc = mount_setup_tlink(cifs_sb, ses, tcon); + if (rc) + goto error; - return mount_setup_tlink(cifs_sb, ses, tcon); + free_xid(xid); + return rc; error: mount_put_conns(cifs_sb, xid, server, ses, tcon); diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 11c5c6fe75bb97..bb2860c09a5879 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -1443,9 +1443,17 @@ struct inode *ext2_iget (struct super_block *sb, unsigned long ino) * the test is that same one that e2fsck uses * NeilBrown 1999oct15 */ - if (inode->i_nlink == 0 && (inode->i_mode == 0 || ei->i_dtime)) { - /* this inode is deleted */ - ret = -ESTALE; + if (inode->i_nlink == 0) { + if (inode->i_mode == 0 || ei->i_dtime) { + /* this inode is deleted */ + ret = -ESTALE; + } else { + ext2_error(sb, __func__, + "inode %lu has zero i_nlink with mode 0%o and no dtime, " + "filesystem may be corrupt", + ino, inode->i_mode); + ret = -EFSCORRUPTED; + } goto bad_inode; } inode->i_blocks = le32_to_cpu(raw_inode->i_blocks); diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index bbdacb5b9c0ab1..07f1ea3d7707e2 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -1108,7 +1108,7 @@ ext4_xattr_inode_dec_ref_all(handle_t *handle, struct inode *parent, { struct inode *ea_inode; struct ext4_xattr_entry *entry; - struct ext4_iloc iloc; + struct ext4_iloc iloc = { .bh = NULL }; bool dirty = false; unsigned int ea_ino; int err; @@ -1202,6 +1202,8 @@ ext4_xattr_inode_dec_ref_all(handle_t *handle, struct inode *parent, ext4_warning_inode(parent, "handle dirty metadata err=%d", err); } + + brelse(iloc.bh); } /* diff --git a/fs/fuse/control.c b/fs/fuse/control.c index 79f01d09c78cb8..cc71d39a4c8364 100644 --- a/fs/fuse/control.c +++ b/fs/fuse/control.c @@ -120,7 +120,7 @@ static ssize_t fuse_conn_max_background_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { - unsigned val; + unsigned int val = 0; ssize_t ret; ret = fuse_conn_limit_write(file, buf, count, ppos, &val, @@ -162,7 +162,7 @@ static ssize_t fuse_conn_congestion_threshold_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { - unsigned val; + unsigned int val = 0; struct fuse_conn *fc; struct fuse_mount *fm; ssize_t ret; diff --git a/fs/fuse/readdir.c b/fs/fuse/readdir.c index 14e99ffa57af9a..0e4a2681515ffa 100644 --- a/fs/fuse/readdir.c +++ b/fs/fuse/readdir.c @@ -41,6 +41,10 @@ static void fuse_add_dirent_to_cache(struct file *file, unsigned int offset; void *addr; + /* Dirent doesn't fit in readdir cache page? Skip caching. */ + if (reclen > PAGE_SIZE) + return; + spin_lock(&fi->rdc.lock); /* * Is cache already completed? Or this entry does not go at the end of diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index 4517ffb7c13d29..7b11f7b7151ae7 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -60,6 +60,7 @@ #include #include #include +#include #include "gfs2.h" #include "incore.h" @@ -910,7 +911,6 @@ static int dir_make_exhash(struct inode *inode) struct qstr args; struct buffer_head *bh, *dibh; struct gfs2_leaf *leaf; - int y; u32 x; __be64 *lp; u64 bn; @@ -977,9 +977,7 @@ static int dir_make_exhash(struct inode *inode) i_size_write(inode, sdp->sd_sb.sb_bsize / 2); gfs2_add_inode_blocks(&dip->i_inode, 1); dip->i_diskflags |= GFS2_DIF_EXHASH; - - for (x = sdp->sd_hash_ptrs, y = -1; x; x >>= 1, y++) ; - dip->i_depth = y; + dip->i_depth = ilog2(sdp->sd_hash_ptrs); gfs2_dinode_out(dip, dibh->b_data); diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 87f81108846635..a4050468feccb1 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -11,6 +11,7 @@ #include #include #include +#include #include "gfs2.h" #include "incore.h" @@ -452,6 +453,9 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf) depth = be16_to_cpu(str->di_depth); if (unlikely(depth > GFS2_DIR_MAX_DEPTH)) goto corrupt; + if ((ip->i_diskflags & GFS2_DIF_EXHASH) && + depth < ilog2(sdp->sd_hash_ptrs)) + goto corrupt; ip->i_depth = (u8)depth; ip->i_entries = be32_to_cpu(str->di_entries); diff --git a/fs/isofs/export.c b/fs/isofs/export.c index 421d247fae5230..78f80c1a5c54a0 100644 --- a/fs/isofs/export.c +++ b/fs/isofs/export.c @@ -24,7 +24,7 @@ isofs_export_iget(struct super_block *sb, { struct inode *inode; - if (block == 0) + if (block == 0 || block >= ISOFS_SB(sb)->s_nzones) return ERR_PTR(-ESTALE); inode = isofs_iget(sb, block, offset); if (IS_ERR(inode)) diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c index 94ef92fe806c47..1efa3ae2f41e91 100644 --- a/fs/isofs/rock.c +++ b/fs/isofs/rock.c @@ -101,6 +101,15 @@ static int rock_continue(struct rock_state *rs) goto out; } + if ((unsigned)rs->cont_extent >= ISOFS_SB(rs->inode->i_sb)->s_nzones) { + printk(KERN_NOTICE "rock: corrupted directory entry. " + "extent=%u out of volume (nzones=%lu)\n", + (unsigned)rs->cont_extent, + ISOFS_SB(rs->inode->i_sb)->s_nzones); + ret = -EIO; + goto out; + } + if (rs->cont_extent) { struct buffer_head *bh; diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index a853711bcad274..145608a373193d 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -404,14 +404,13 @@ bl_write_pagelist(struct nfs_pgio_header *header, int sync) sector_t isect, extent_length = 0; struct parallel_io *par = NULL; loff_t offset = header->args.offset; - size_t count = header->args.count; struct page **pages = header->args.pages; int pg_index = header->args.pgbase >> PAGE_SHIFT; unsigned int pg_len; struct blk_plug plug; int i; - dprintk("%s enter, %zu@%lld\n", __func__, count, offset); + dprintk("%s enter, %u@%lld\n", __func__, header->args.count, offset); /* At this point, header->page_aray is a (sequential) list of nfs_pages. * We want to write each, and if there is an error set pnfs_error @@ -453,7 +452,6 @@ bl_write_pagelist(struct nfs_pgio_header *header, int sync) } offset += pg_len; - count -= pg_len; isect += (pg_len >> SECTOR_SHIFT); extent_length -= (pg_len >> SECTOR_SHIFT); } diff --git a/fs/nilfs2/dat.c b/fs/nilfs2/dat.c index 9b63cc42caac5c..e8f93a45ac6472 100644 --- a/fs/nilfs2/dat.c +++ b/fs/nilfs2/dat.c @@ -515,6 +515,9 @@ int nilfs_dat_read(struct super_block *sb, size_t entry_size, if (err) goto failed; + err = nilfs_attach_btree_node_cache(dat); + if (err) + goto failed; err = nilfs_read_inode_common(dat, raw_inode); if (err) goto failed; diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index 668c1b28a940e3..e56e871927417b 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -766,6 +766,12 @@ static int nilfs_ioctl_mark_blocks_dirty(struct the_nilfs *nilfs, int ret, i; for (i = 0; i < nmembs; i++) { + /* + * bd_oblocknr must never be 0 as block 0 + * is never a valid GC target block + */ + if (unlikely(!bdescs[i].bd_oblocknr)) + return -EINVAL; /* XXX: use macro or inline func to check liveness */ ret = nilfs_bmap_lookup_at_level(bmap, bdescs[i].bd_offset, diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c index 82602157bcc0f7..7da224a0ae7ce4 100644 --- a/fs/notify/fsnotify.c +++ b/fs/notify/fsnotify.c @@ -398,7 +398,7 @@ static struct fsnotify_mark *fsnotify_first_mark(struct fsnotify_mark_connector return hlist_entry_safe(node, struct fsnotify_mark, obj_list); } -static struct fsnotify_mark *fsnotify_next_mark(struct fsnotify_mark *mark) +struct fsnotify_mark *fsnotify_next_mark(struct fsnotify_mark *mark) { struct hlist_node *node = NULL; diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c index 7360d16ce46d7f..0b439051951cd7 100644 --- a/fs/notify/inotify/inotify_user.c +++ b/fs/notify/inotify/inotify_user.c @@ -609,6 +609,7 @@ static int inotify_new_watch(struct fsnotify_group *group, if (ret) { /* we failed to get on the inode, get off the idr */ inotify_remove_from_idr(group, tmp_i_mark); + dec_inotify_watches(group->inotify_data.ucounts); goto out_err; } diff --git a/fs/notify/mark.c b/fs/notify/mark.c index 4be6e883d492f6..b419a5ccf192df 100644 --- a/fs/notify/mark.c +++ b/fs/notify/mark.c @@ -380,9 +380,6 @@ EXPORT_SYMBOL_GPL(fsnotify_put_mark); */ static bool fsnotify_get_mark_safe(struct fsnotify_mark *mark) { - if (!mark) - return true; - if (refcount_inc_not_zero(&mark->refcnt)) { spin_lock(&mark->lock); if (mark->flags & FSNOTIFY_MARK_FLAG_ATTACHED) { @@ -423,15 +420,22 @@ bool fsnotify_prepare_user_wait(struct fsnotify_iter_info *iter_info) int type; fsnotify_foreach_iter_type(type) { + struct fsnotify_mark *mark = iter_info->marks[type]; + /* This can fail if mark is being removed */ - if (!fsnotify_get_mark_safe(iter_info->marks[type])) { - __release(&fsnotify_mark_srcu); - goto fail; + while (mark && !fsnotify_get_mark_safe(mark)) { + if (mark->group == iter_info->current_group) { + __release(&fsnotify_mark_srcu); + goto fail; + } + /* This is a mark in an unrelated group, skip */ + mark = fsnotify_next_mark(mark); + iter_info->marks[type] = mark; } } /* - * Now that both marks are pinned by refcount in the inode / vfsmount + * Now that all marks are pinned by refcount in the inode / vfsmount / etc * lists, we can drop SRCU lock, and safely resume the list iteration * once userspace returns. */ diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 9f61a6d64cbce0..82593871c4e1fd 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -5988,7 +5988,7 @@ bail: return status; } -/* Expects you to already be holding tl_inode->i_mutex */ +/* Expects you to already be holding tl_inode->i_rwsem */ int __ocfs2_flush_truncate_log(struct ocfs2_super *osb) { int status; diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 667d63d23f8f07..02556d212f4f65 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -39,6 +39,8 @@ #include "namei.h" #include "sysfile.h" +#define OCFS2_DIO_MARK_EXTENT_BATCH 200 + static int ocfs2_symlink_get_block(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create) { @@ -2308,7 +2310,7 @@ static int ocfs2_dio_end_io_write(struct inode *inode, struct ocfs2_alloc_context *meta_ac = NULL; handle_t *handle = NULL; loff_t end = offset + bytes; - int ret = 0, credits = 0; + int ret = 0, credits = 0, batch = 0; ocfs2_init_dealloc_ctxt(&dealloc); @@ -2326,19 +2328,6 @@ static int ocfs2_dio_end_io_write(struct inode *inode, } down_write(&oi->ip_alloc_sem); - - /* Delete orphan before acquire i_mutex. */ - if (dwc->dw_orphaned) { - BUG_ON(dwc->dw_writer_pid != task_pid_nr(current)); - - end = end > i_size_read(inode) ? end : 0; - - ret = ocfs2_del_inode_from_orphan(osb, inode, di_bh, - !!end, end); - if (ret < 0) - mlog_errno(ret); - } - di = (struct ocfs2_dinode *)di_bh->b_data; ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(inode), di_bh); @@ -2358,24 +2347,25 @@ static int ocfs2_dio_end_io_write(struct inode *inode, credits = ocfs2_calc_extend_credits(inode->i_sb, &di->id2.i_list); - handle = ocfs2_start_trans(osb, credits); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto unlock; - } - ret = ocfs2_journal_access_di(handle, INODE_CACHE(inode), di_bh, - OCFS2_JOURNAL_ACCESS_WRITE); - if (ret) { - mlog_errno(ret); - goto commit; - } - list_for_each_entry(ue, &dwc->dw_zero_list, ue_node) { + if (!handle) { + handle = ocfs2_start_trans(osb, credits); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto unlock; + } + ret = ocfs2_journal_access_di(handle, INODE_CACHE(inode), di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto commit; + } + } ret = ocfs2_assure_trans_credits(handle, credits); if (ret < 0) { mlog_errno(ret); - break; + goto commit; } ret = ocfs2_mark_extent_written(inode, &et, handle, ue->ue_cpos, 1, @@ -2383,19 +2373,44 @@ static int ocfs2_dio_end_io_write(struct inode *inode, meta_ac, &dealloc); if (ret < 0) { mlog_errno(ret); - break; + goto commit; + } + + if (++batch == OCFS2_DIO_MARK_EXTENT_BATCH) { + ocfs2_commit_trans(osb, handle); + handle = NULL; + batch = 0; } } if (end > i_size_read(inode)) { + if (!handle) { + handle = ocfs2_start_trans(osb, credits); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto unlock; + } + } ret = ocfs2_set_inode_size(handle, inode, di_bh, end); if (ret < 0) mlog_errno(ret); } + commit: - ocfs2_commit_trans(osb, handle); + if (handle) + ocfs2_commit_trans(osb, handle); unlock: up_write(&oi->ip_alloc_sem); + + /* everything looks good, let's start the cleanup */ + if (!ret && dwc->dw_orphaned) { + BUG_ON(dwc->dw_writer_pid != task_pid_nr(current)); + + ret = ocfs2_del_inode_from_orphan(osb, inode, di_bh, 0, 0); + if (ret < 0) + mlog_errno(ret); + } ocfs2_inode_unlock(inode, 1); brelse(di_bh); out: diff --git a/fs/ocfs2/cluster/nodemanager.c b/fs/ocfs2/cluster/nodemanager.c index 7a7640c59f3ca3..5d0f6bc0fc0729 100644 --- a/fs/ocfs2/cluster/nodemanager.c +++ b/fs/ocfs2/cluster/nodemanager.c @@ -691,7 +691,7 @@ static struct config_group *o2nm_cluster_group_make_group(struct config_group *g struct o2nm_node_group *ns = NULL; struct config_group *o2hb_group = NULL, *ret = NULL; - /* this runs under the parent dir's i_mutex; there can be only + /* this runs under the parent dir's i_rwsem; there can be only * one caller in here at a time */ if (o2nm_single_cluster) return ERR_PTR(-ENOSPC); diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index 195515eefd3318..ae96e58ba5399f 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -1981,7 +1981,7 @@ bail_nolock: } /* - * NOTE: this should always be called with parent dir i_mutex taken. + * NOTE: this should always be called with parent dir i_rwsem taken. */ int ocfs2_find_files_on_disk(const char *name, int namelen, @@ -2028,7 +2028,7 @@ int ocfs2_lookup_ino_from_name(struct inode *dir, const char *name, * Return -EEXIST if the directory contains the name * Return -EFSCORRUPTED if found corruption * - * Callers should have i_mutex + a cluster lock on dir + * Callers should have i_rwsem + a cluster lock on dir */ int ocfs2_check_dir_for_entry(struct inode *dir, const char *name, diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c index 357cfc702ce369..5201071c0080d7 100644 --- a/fs/ocfs2/dlm/dlmdomain.c +++ b/fs/ocfs2/dlm/dlmdomain.c @@ -982,6 +982,14 @@ static int dlm_match_regions(struct dlm_ctxt *dlm, goto bail; } + if (qr->qr_numregions > O2NM_MAX_REGIONS) { + mlog(ML_ERROR, "Domain %s: Joining node %d has invalid " + "number of heartbeat regions %u\n", + qr->qr_domain, qr->qr_node, qr->qr_numregions); + status = -EINVAL; + goto bail; + } + r = remote; for (i = 0; i < qr->qr_numregions; ++i) { mlog(0, "Region %.*s\n", O2HB_MAX_REGION_NAME_LEN, r); @@ -996,7 +1004,7 @@ static int dlm_match_regions(struct dlm_ctxt *dlm, for (i = 0; i < localnr; ++i) { foundit = 0; r = remote; - for (j = 0; j <= qr->qr_numregions; ++j) { + for (j = 0; j < qr->qr_numregions; ++j) { if (!memcmp(l, r, O2HB_MAX_REGION_NAME_LEN)) { foundit = 1; break; diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 3ce7606f5dbe8d..53b5fbaee7f737 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -272,7 +272,7 @@ int ocfs2_update_inode_atime(struct inode *inode, /* * Don't use ocfs2_mark_inode_dirty() here as we don't always - * have i_mutex to guard against concurrent changes to other + * have i_rwsem to guard against concurrent changes to other * inode fields. */ inode->i_atime = current_time(inode); @@ -1070,7 +1070,7 @@ static int ocfs2_extend_file(struct inode *inode, /* * The alloc sem blocks people in read/write from reading our * allocation until we're done changing it. We depend on - * i_mutex to block other extend/truncate calls while we're + * i_rwsem to block other extend/truncate calls while we're * here. We even have to hold it for sparse files because there * might be some tail zeroing. */ diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 7c9dfd50c1c176..60f6ed453b9409 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -715,7 +715,7 @@ bail: /* * Serialize with orphan dir recovery. If the process doing * recovery on this orphan dir does an iget() with the dir - * i_mutex held, we'll deadlock here. Instead we detect this + * i_rwsem held, we'll deadlock here. Instead we detect this * and exit early - recovery will wipe this inode for us. */ static int ocfs2_check_orphan_recovery_state(struct ocfs2_super *osb, @@ -1418,6 +1418,37 @@ int ocfs2_validate_inode_block(struct super_block *sb, goto bail; } + if (le16_to_cpu(di->i_dyn_features) & OCFS2_INLINE_DATA_FL) { + struct ocfs2_inline_data *data = &di->id2.i_data; + + if (le32_to_cpu(di->i_clusters)) { + rc = ocfs2_error(sb, + "Invalid dinode %llu: %u clusters\n", + (unsigned long long)bh->b_blocknr, + le32_to_cpu(di->i_clusters)); + goto bail; + } + + if (le16_to_cpu(data->id_count) > + ocfs2_max_inline_data_with_xattr(sb, di)) { + rc = ocfs2_error(sb, + "Invalid dinode #%llu: inline data id_count %u exceeds max %d\n", + (unsigned long long)bh->b_blocknr, + le16_to_cpu(data->id_count), + ocfs2_max_inline_data_with_xattr(sb, di)); + goto bail; + } + + if (le64_to_cpu(di->i_size) > le16_to_cpu(data->id_count)) { + rc = ocfs2_error(sb, + "Invalid dinode #%llu: inline data i_size %llu exceeds id_count %u\n", + (unsigned long long)bh->b_blocknr, + (unsigned long long)le64_to_cpu(di->i_size), + le16_to_cpu(data->id_count)); + goto bail; + } + } + rc = 0; bail: diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c index 89984172fc4aef..b43d6c3586e0a2 100644 --- a/fs/ocfs2/ioctl.c +++ b/fs/ocfs2/ioctl.c @@ -438,13 +438,16 @@ static int ocfs2_info_freefrag_scan_chain(struct ocfs2_super *osb, struct buffer_head *bh = NULL; struct ocfs2_group_desc *bg = NULL; - unsigned int max_bits, num_clusters; + unsigned int max_bits, max_bitmap_bits, num_clusters; unsigned int offset = 0, cluster, chunk; unsigned int chunk_free, last_chunksize = 0; if (!le32_to_cpu(rec->c_free)) goto bail; + max_bitmap_bits = 8 * ocfs2_group_bitmap_size(osb->sb, 0, + osb->s_feature_incompat); + do { if (!bg) blkno = le64_to_cpu(rec->c_blkno); @@ -476,6 +479,19 @@ static int ocfs2_info_freefrag_scan_chain(struct ocfs2_super *osb, continue; max_bits = le16_to_cpu(bg->bg_bits); + + /* + * Non-coherent scans read raw blocks and do not get the + * bg_bits validation from + * ocfs2_read_group_descriptor(). + */ + if (max_bits > max_bitmap_bits) { + mlog(ML_ERROR, + "Group desc #%llu has %u bits, max bitmap bits %u\n", + (unsigned long long)blkno, max_bits, max_bitmap_bits); + max_bits = max_bitmap_bits; + } + offset = 0; for (chunk = 0; chunk < chunks_in_group; chunk++) { diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index fc8252a28cb1a5..5fbd77a9bc3c55 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -608,7 +608,7 @@ out: /* * make sure we've got at least bits_wanted contiguous bits in the - * local alloc. You lose them when you drop i_mutex. + * local alloc. You lose them when you drop i_rwsem. * * We will add ourselves to the transaction passed in, but may start * our own in order to shift windows. @@ -638,7 +638,7 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb, /* * We must double check state and allocator bits because - * another process may have changed them while holding i_mutex. + * another process may have changed them while holding i_rwsem. */ spin_lock(&osb->osb_lock); if (!ocfs2_la_state_enabled(osb) || @@ -1031,7 +1031,7 @@ enum ocfs2_la_event { /* * Given an event, calculate the size of our next local alloc window. * - * This should always be called under i_mutex of the local alloc inode + * This should always be called under i_rwsem of the local alloc inode * so that local alloc disabling doesn't race with processes trying to * use the allocator. * diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c index 25cabbfe87fcf7..f5d451a2f74f29 100644 --- a/fs/ocfs2/mmap.c +++ b/fs/ocfs2/mmap.c @@ -32,7 +32,8 @@ static vm_fault_t ocfs2_fault(struct vm_fault *vmf) { - struct vm_area_struct *vma = vmf->vma; + unsigned long long ip_blkno = + OCFS2_I(file_inode(vmf->vma->vm_file))->ip_blkno; sigset_t oldset; vm_fault_t ret; @@ -40,11 +41,9 @@ static vm_fault_t ocfs2_fault(struct vm_fault *vmf) ret = filemap_fault(vmf); ocfs2_unblock_signals(&oldset); - trace_ocfs2_fault(OCFS2_I(vma->vm_file->f_mapping->host)->ip_blkno, - vma, vmf->page, vmf->pgoff); + trace_ocfs2_fault(ip_blkno, vmf->page, vmf->pgoff); return ret; } - static vm_fault_t __ocfs2_page_mkwrite(struct file *file, struct buffer_head *di_bh, struct page *page) { diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index 0e0f844dcf7f45..aa91c70a2963f5 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -485,7 +485,7 @@ leave: ocfs2_free_alloc_context(meta_ac); /* - * We should call iput after the i_mutex of the bitmap been + * We should call iput after the i_rwsem of the bitmap been * unlocked in ocfs2_free_alloc_context, or the * ocfs2_delete_inode will mutex_lock again. */ diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 5cea6942c1bdf8..ea616c3ab09a37 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -371,7 +371,7 @@ struct ocfs2_super struct delayed_work la_enable_wq; /* - * Must hold local alloc i_mutex and osb->osb_lock to change + * Must hold local alloc i_rwsem and osb->osb_lock to change * local_alloc_bits. Reads can be done under either lock. */ unsigned int local_alloc_bits; @@ -446,7 +446,7 @@ struct ocfs2_super atomic_t osb_tl_disable; /* * How many clusters in our truncate log. - * It must be protected by osb_tl_inode->i_mutex. + * It must be protected by osb_tl_inode->i_rwsem. */ unsigned int truncated_clusters; diff --git a/fs/ocfs2/ocfs2_trace.h b/fs/ocfs2/ocfs2_trace.h index 7a9cfd61145a00..80cfdb5a8def74 100644 --- a/fs/ocfs2/ocfs2_trace.h +++ b/fs/ocfs2/ocfs2_trace.h @@ -1248,22 +1248,20 @@ TRACE_EVENT(ocfs2_write_end_inline, TRACE_EVENT(ocfs2_fault, TP_PROTO(unsigned long long ino, - void *area, void *page, unsigned long pgoff), - TP_ARGS(ino, area, page, pgoff), + void *page, unsigned long pgoff), + TP_ARGS(ino, page, pgoff), TP_STRUCT__entry( __field(unsigned long long, ino) - __field(void *, area) __field(void *, page) __field(unsigned long, pgoff) ), TP_fast_assign( __entry->ino = ino; - __entry->area = area; __entry->page = page; __entry->pgoff = pgoff; ), - TP_printk("%llu %p %p %lu", - __entry->ino, __entry->area, __entry->page, __entry->pgoff) + TP_printk("%llu %p %lu", + __entry->ino, __entry->page, __entry->pgoff) ); /* End of trace events for fs/ocfs2/mmap.c. */ diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c index 742bf103d2eb2d..6ea0820b0d3477 100644 --- a/fs/ocfs2/quota_global.c +++ b/fs/ocfs2/quota_global.c @@ -36,7 +36,7 @@ * should be obeyed by all the functions: * - any write of quota structure (either to local or global file) is protected * by dqio_sem or dquot->dq_lock. - * - any modification of global quota file holds inode cluster lock, i_mutex, + * - any modification of global quota file holds inode cluster lock, i_rwsem, * and ip_alloc_sem of the global quota file (achieved by * ocfs2_lock_global_qf). It also has to hold qinfo_lock. * - an allocation of new blocks for local quota file is protected by diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c index 78788659ccf5de..763aff7e2d5a44 100644 --- a/fs/ocfs2/resize.c +++ b/fs/ocfs2/resize.c @@ -297,9 +297,13 @@ int ocfs2_group_extend(struct inode * inode, int new_clusters) fe = (struct ocfs2_dinode *)main_bm_bh->b_data; - /* main_bm_bh is validated by inode read inside ocfs2_inode_lock(), - * so any corruption is a code bug. */ - BUG_ON(!OCFS2_IS_VALID_DINODE(fe)); + /* JBD-managed buffers can bypass validation, so treat this as corruption. */ + if (!OCFS2_IS_VALID_DINODE(fe)) { + ret = ocfs2_error(main_bm_inode->i_sb, + "Invalid dinode #%llu\n", + (unsigned long long)OCFS2_I(main_bm_inode)->ip_blkno); + goto out_unlock; + } if (le16_to_cpu(fe->id2.i_chain.cl_cpg) != ocfs2_group_bitmap_size(osb->sb, 0, @@ -498,14 +502,14 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input) goto out_unlock; } - ocfs2_set_new_buffer_uptodate(INODE_CACHE(inode), group_bh); - ret = ocfs2_verify_group_and_input(main_bm_inode, fe, input, group_bh); if (ret) { mlog_errno(ret); goto out_free_group_bh; } + ocfs2_set_new_buffer_uptodate(INODE_CACHE(main_bm_inode), group_bh); + trace_ocfs2_group_add((unsigned long long)input->group, input->chain, input->clusters, input->frees); @@ -513,7 +517,7 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input) if (IS_ERR(handle)) { mlog_errno(PTR_ERR(handle)); ret = -EINVAL; - goto out_free_group_bh; + goto out_remove_cache; } cl_bpc = le16_to_cpu(fe->id2.i_chain.cl_bpc); @@ -567,9 +571,11 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input) out_commit: ocfs2_commit_trans(osb, handle); -out_free_group_bh: +out_remove_cache: if (ret < 0) - ocfs2_remove_from_cache(INODE_CACHE(inode), group_bh); + ocfs2_remove_from_cache(INODE_CACHE(main_bm_inode), group_bh); + +out_free_group_bh: brelse(group_bh); out_unlock: diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 7b1688e2826744..be982b727facb0 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -913,8 +913,8 @@ static int ocfs2_xattr_list_entry(struct super_block *sb, total_len = prefix_len + name_len + 1; *result += total_len; - /* we are just looking for how big our buffer needs to be */ - if (!size) + /* No buffer means we are only looking for the required size. */ + if (!buffer) return 0; if (*result > size) @@ -7210,7 +7210,7 @@ out: * Used for reflink a non-preserve-security file. * * It uses common api like ocfs2_xattr_set, so the caller - * must not hold any lock expect i_mutex. + * must not hold any lock expect i_rwsem. */ int ocfs2_init_security_and_acl(struct inode *dir, struct inode *inode, diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c index ce93ccca86392b..5abd152406f519 100644 --- a/fs/omfs/inode.c +++ b/fs/omfs/inode.c @@ -515,6 +515,12 @@ static int omfs_fill_super(struct super_block *sb, void *data, int silent) goto out_brelse_bh; } + if (sbi->s_sys_blocksize < OMFS_DIR_START) { + printk(KERN_ERR "omfs: sysblock size (%d) is too small\n", + sbi->s_sys_blocksize); + goto out_brelse_bh; + } + if (sbi->s_blocksize < sbi->s_sys_blocksize || sbi->s_blocksize > OMFS_MAX_BLOCK_SIZE) { printk(KERN_ERR "omfs: block size (%d) is out of range\n", diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c index ccaa138a57b7c5..80bf449a695a7c 100644 --- a/fs/pstore/ram_core.c +++ b/fs/pstore/ram_core.c @@ -475,6 +475,10 @@ static void *persistent_ram_iomap(phys_addr_t start, size_t size, else va = ioremap_wc(start, size); + /* We must release the mem region if ioremap fails. */ + if (!va) + release_mem_region(start, size); + /* * Since request_mem_region() and ioremap() are byte-granularity * there is no need handle anything special like we do when the diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 525ae0f11818ce..b4326fc1d90fdc 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -364,6 +364,31 @@ static inline int dquot_active(struct dquot *dquot) return test_bit(DQ_ACTIVE_B, &dquot->dq_flags); } +static struct dquot *__dqgrab(struct dquot *dquot) +{ + lockdep_assert_held(&dq_list_lock); + if (!atomic_read(&dquot->dq_count)) + remove_free_dquot(dquot); + atomic_inc(&dquot->dq_count); + return dquot; +} + +/* + * Get reference to dquot when we got pointer to it by some other means. The + * dquot has to be active and the caller has to make sure it cannot get + * deactivated under our hands. + */ +struct dquot *dqgrab(struct dquot *dquot) +{ + spin_lock(&dq_list_lock); + WARN_ON_ONCE(!dquot_active(dquot)); + dquot = __dqgrab(dquot); + spin_unlock(&dq_list_lock); + + return dquot; +} +EXPORT_SYMBOL_GPL(dqgrab); + static inline int dquot_dirty(struct dquot *dquot) { return test_bit(DQ_MOD_B, &dquot->dq_flags); @@ -642,15 +667,14 @@ int dquot_scan_active(struct super_block *sb, continue; if (dquot->dq_sb != sb) continue; - /* Now we have active dquot so we can just increase use count */ - atomic_inc(&dquot->dq_count); + __dqgrab(dquot); spin_unlock(&dq_list_lock); dqput(old_dquot); old_dquot = dquot; /* * ->release_dquot() can be racing with us. Our reference - * protects us from new calls to it so just wait for any - * outstanding call and recheck the DQ_ACTIVE_B after that. + * protects us from dquot_release() proceeding so just wait for + * any outstanding call and recheck the DQ_ACTIVE_B after that. */ wait_on_dquot(dquot); if (dquot_active(dquot)) { @@ -718,7 +742,7 @@ int dquot_writeback_dquots(struct super_block *sb, int type) /* Now we have active dquot from which someone is * holding reference so we can safely just increase * use count */ - dqgrab(dquot); + __dqgrab(dquot); spin_unlock(&dq_list_lock); err = dquot_write_dquot(dquot); if (err && !ret) @@ -973,9 +997,7 @@ we_slept: spin_unlock(&dq_list_lock); dqstats_inc(DQST_LOOKUPS); } else { - if (!atomic_read(&dquot->dq_count)) - remove_free_dquot(dquot); - atomic_inc(&dquot->dq_count); + __dqgrab(dquot); spin_unlock(&dq_list_lock); dqstats_inc(DQST_CACHE_HITS); dqstats_inc(DQST_LOOKUPS); diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c index 64e6a6698935e9..c1bc4fbdc1eae2 100644 --- a/fs/sysfs/group.c +++ b/fs/sysfs/group.c @@ -148,7 +148,7 @@ static int internal_create_group(struct kobject *kobj, int update, kernfs_get(kn); error = create_files(kn, kobj, uid, gid, grp, update); if (error) { - if (grp->name) + if (grp->name && !update) kernfs_remove(kn); } kernfs_put(kn); diff --git a/fs/udf/misc.c b/fs/udf/misc.c index 1614d308d0f060..dee9a1f3cb3fe0 100644 --- a/fs/udf/misc.c +++ b/fs/udf/misc.c @@ -250,8 +250,12 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block, } /* Verify the descriptor CRC */ - if (le16_to_cpu(tag_p->descCRCLength) + sizeof(struct tag) > sb->s_blocksize || - le16_to_cpu(tag_p->descCRC) == crc_itu_t(0, + if (le16_to_cpu(tag_p->descCRCLength) + sizeof(struct tag) > sb->s_blocksize) { + udf_err(sb, "block %u: CRC length %u exceeds block size\n", + block, le16_to_cpu(tag_p->descCRCLength)); + goto error_out; + } + if (le16_to_cpu(tag_p->descCRC) == crc_itu_t(0, bh->b_data + sizeof(struct tag), le16_to_cpu(tag_p->descCRCLength))) return bh; diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index a3074a9d71a6a2..0d6c00e9b49316 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -1233,8 +1233,6 @@ static __always_inline int validate_range(struct mm_struct *mm, return -EINVAL; if (!len) return -EINVAL; - if (start < mmap_min_addr) - return -EINVAL; if (start >= task_size) return -EINVAL; if (len > task_size - start) diff --git a/include/dt-bindings/clock/qcom,dispcc-sc7180.h b/include/dt-bindings/clock/qcom,dispcc-sc7180.h index b9b51617a335d2..0705103060748c 100644 --- a/include/dt-bindings/clock/qcom,dispcc-sc7180.h +++ b/include/dt-bindings/clock/qcom,dispcc-sc7180.h @@ -6,6 +6,7 @@ #ifndef _DT_BINDINGS_CLK_QCOM_DISP_CC_SC7180_H #define _DT_BINDINGS_CLK_QCOM_DISP_CC_SC7180_H +/* Clocks */ #define DISP_CC_PLL0 0 #define DISP_CC_PLL0_OUT_EVEN 1 #define DISP_CC_MDSS_AHB_CLK 2 @@ -40,7 +41,11 @@ #define DISP_CC_MDSS_VSYNC_CLK_SRC 31 #define DISP_CC_XO_CLK 32 -/* DISP_CC GDSCR */ +/* Resets */ +#define DISP_CC_MDSS_CORE_BCR 0 +#define DISP_CC_MDSS_RSCC_BCR 1 + +/* GDSCs */ #define MDSS_GDSC 0 #endif diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 9c184dbceba477..c5b51d8dcbe182 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -753,7 +753,7 @@ static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) return false; } -static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) +static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) { return NULL; } @@ -763,12 +763,12 @@ static inline bool is_acpi_data_node(struct fwnode_handle *fwnode) return false; } -static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode) +static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) { return NULL; } -static inline bool acpi_data_node_match(struct fwnode_handle *fwnode, +static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, const char *name) { return false; diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h index f48d0a31deaece..43108f24fb42bf 100644 --- a/include/linux/cdrom.h +++ b/include/linux/cdrom.h @@ -107,6 +107,7 @@ extern int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev, extern unsigned int cdrom_check_events(struct cdrom_device_info *cdi, unsigned int clearing); +extern void cdrom_probe_write_features(struct cdrom_device_info *cdi); extern int register_cdrom(struct gendisk *disk, struct cdrom_device_info *cdi); extern void unregister_cdrom(struct cdrom_device_info *cdi); diff --git a/include/linux/dev_printk.h b/include/linux/dev_printk.h index 6f009559ee540a..7d467d54265768 100644 --- a/include/linux/dev_printk.h +++ b/include/linux/dev_printk.h @@ -242,4 +242,14 @@ do { \ WARN_ONCE(condition, "%s %s: " format, \ dev_driver_string(dev), dev_name(dev), ## arg) +__printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...); + +/* Simple helper for dev_err_probe() when ERR_PTR() is to be returned. */ +#define dev_err_ptr_probe(dev, ___err, fmt, ...) \ + ERR_PTR(dev_err_probe(dev, ___err, fmt, ##__VA_ARGS__)) + +/* Simple helper for dev_err_probe() when ERR_CAST() is to be returned. */ +#define dev_err_cast_probe(dev, ___err_ptr, fmt, ...) \ + ERR_PTR(dev_err_probe(dev, PTR_ERR(___err_ptr), fmt, ##__VA_ARGS__)) + #endif /* _DEVICE_PRINTK_H_ */ diff --git a/include/linux/device.h b/include/linux/device.h index 047a8f1ef8f283..77d6493c26a484 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -385,6 +385,22 @@ struct dev_links_info { enum dl_dev_state status; }; +/** + * enum struct_device_flags - Flags in struct device + * + * Each flag should have a set of accessor functions created via + * __create_dev_flag_accessors() for each access. + * + * @DEV_FLAG_READY_TO_PROBE: If set then device_add() has finished enough + * initialization that probe could be called. + * @DEV_FLAG_COUNT: Number of defined struct_device_flags. + */ +enum struct_device_flags { + DEV_FLAG_READY_TO_PROBE = 0, + + DEV_FLAG_COUNT +}; + /** * struct device - The basic device structure * @parent: The device's "parent" device, the device to which it is attached. @@ -470,6 +486,7 @@ struct dev_links_info { * and optionall (if the coherent mask is large enough) also * for dma allocations. This flag is managed by the dma ops * instance from ->dma_supported. + * @flags: DEV_FLAG_XXX flags. Use atomic bitfield operations to modify. * * At the lowest level, every device in a Linux system is represented by an * instance of struct device. The device structure contains the information @@ -580,8 +597,36 @@ struct device { #ifdef CONFIG_DMA_OPS_BYPASS bool dma_ops_bypass : 1; #endif + + DECLARE_BITMAP(flags, DEV_FLAG_COUNT); }; +#define __create_dev_flag_accessors(accessor_name, flag_name) \ +static inline bool dev_##accessor_name(const struct device *dev) \ +{ \ + return test_bit(flag_name, dev->flags); \ +} \ +static inline void dev_set_##accessor_name(struct device *dev) \ +{ \ + set_bit(flag_name, dev->flags); \ +} \ +static inline void dev_clear_##accessor_name(struct device *dev) \ +{ \ + clear_bit(flag_name, dev->flags); \ +} \ +static inline void dev_assign_##accessor_name(struct device *dev, bool value) \ +{ \ + assign_bit(flag_name, dev->flags, value); \ +} \ +static inline bool dev_test_and_set_##accessor_name(struct device *dev) \ +{ \ + return test_and_set_bit(flag_name, dev->flags); \ +} + +__create_dev_flag_accessors(ready_to_probe, DEV_FLAG_READY_TO_PROBE); + +#undef __create_dev_flag_accessors + /** * struct device_link - Device link representation. * @supplier: The device on the supplier end of the link. @@ -987,9 +1032,6 @@ void device_links_supplier_sync_state_pause(void); void device_links_supplier_sync_state_resume(void); void device_link_wait_removal(void); -extern __printf(3, 4) -int dev_err_probe(const struct device *dev, int err, const char *fmt, ...); - /* Create alias, so I can be autoloaded. */ #define MODULE_ALIAS_CHARDEV(major,minor) \ MODULE_ALIAS("char-major-" __stringify(major) "-" __stringify(minor)) diff --git a/include/linux/dmi.h b/include/linux/dmi.h index 927f8a8b7a1ddd..2eedf44e680126 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -60,6 +60,7 @@ enum dmi_entry_type { DMI_ENTRY_OOB_REMOTE_ACCESS, DMI_ENTRY_BIS_ENTRY, DMI_ENTRY_SYSTEM_BOOT, + DMI_ENTRY_64_MEM_ERROR, DMI_ENTRY_MGMT_DEV, DMI_ENTRY_MGMT_DEV_COMPONENT, DMI_ENTRY_MGMT_DEV_THRES, @@ -69,6 +70,10 @@ enum dmi_entry_type { DMI_ENTRY_ADDITIONAL, DMI_ENTRY_ONBOARD_DEV_EXT, DMI_ENTRY_MGMT_CONTROLLER_HOST, + DMI_ENTRY_TPM_DEVICE, + DMI_ENTRY_PROCESSOR_ADDITIONAL, + DMI_ENTRY_FIRMWARE_INVENTORY, + DMI_ENTRY_STRING_PROPERTY, DMI_ENTRY_INACTIVE = 126, DMI_ENTRY_END_OF_TABLE = 127, }; diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 096b79e4373f4c..514faca8be428f 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -820,6 +820,7 @@ static inline void fsnotify_clear_sb_marks_by_group(struct fsnotify_group *group } extern void fsnotify_get_mark(struct fsnotify_mark *mark); extern void fsnotify_put_mark(struct fsnotify_mark *mark); +struct fsnotify_mark *fsnotify_next_mark(struct fsnotify_mark *mark); extern void fsnotify_finish_user_wait(struct fsnotify_iter_info *iter_info); extern bool fsnotify_prepare_user_wait(struct fsnotify_iter_info *iter_info); diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 6b8b562407a097..1e6a377af368dc 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -257,7 +257,8 @@ static inline bool kvm_vcpu_mapped(struct kvm_host_map *map) struct kvm_mmio_fragment { gpa_t gpa; void *data; - unsigned len; + u64 val; + unsigned int len; }; struct kvm_vcpu { diff --git a/include/linux/padata.h b/include/linux/padata.h index 495b16b6b4d729..6f07e12a438196 100644 --- a/include/linux/padata.h +++ b/include/linux/padata.h @@ -90,8 +90,6 @@ struct padata_cpumask { * @processed: Number of already processed objects. * @cpu: Next CPU to be processed. * @cpumask: The cpumasks in use for parallel and serial workers. - * @reorder_work: work struct for reordering. - * @lock: Reorder lock. */ struct parallel_data { struct padata_shell *ps; @@ -102,8 +100,6 @@ struct parallel_data { unsigned int processed; int cpu; struct padata_cpumask cpumask; - struct work_struct reorder_work; - spinlock_t ____cacheline_aligned lock; }; /** diff --git a/include/linux/ppp_defs.h b/include/linux/ppp_defs.h index 9d2b388fae1a40..b1d1f46d7d3be5 100644 --- a/include/linux/ppp_defs.h +++ b/include/linux/ppp_defs.h @@ -8,7 +8,37 @@ #define _PPP_DEFS_H_ #include +#include #include #define PPP_FCS(fcs, c) crc_ccitt_byte(fcs, c) + +/** + * ppp_proto_is_valid - checks if PPP protocol is valid + * @proto: PPP protocol + * + * Assumes proto is not compressed. + * Protocol is valid if the value is odd and the least significant bit of the + * most significant octet is 0 (see RFC 1661, section 2). + */ +static inline bool ppp_proto_is_valid(u16 proto) +{ + return !!((proto & 0x0101) == 0x0001); +} + +/** + * ppp_skb_is_compressed_proto - checks if PPP protocol in a skb is compressed + * @skb: skb to check + * + * Check if the PPP protocol field is compressed (the least significant + * bit of the most significant octet is 1). skb->data must point to the PPP + * protocol header. + * + * Return: Whether the PPP protocol field is compressed. + */ +static inline bool ppp_skb_is_compressed_proto(const struct sk_buff *skb) +{ + return unlikely(skb->data[0] & 0x01); +} + #endif /* _PPP_DEFS_H_ */ diff --git a/include/linux/printk.h b/include/linux/printk.h index 344f6da3d4c367..c3f1f7be301dbd 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -609,7 +609,8 @@ static inline void print_hex_dump_debug(const char *prefix_str, int prefix_type, #endif /** - * print_hex_dump_bytes - shorthand form of print_hex_dump() with default params + * print_hex_dump_bytes - shorthand form of print_hex_dump_debug() with default + * params * @prefix_str: string to prefix each line with; * caller supplies trailing spaces for alignment if desired * @prefix_type: controls whether prefix of an offset, address, or none @@ -617,7 +618,7 @@ static inline void print_hex_dump_debug(const char *prefix_str, int prefix_type, * @buf: data blob to dump * @len: number of bytes in the @buf * - * Calls print_hex_dump(), with log level of KERN_DEBUG, + * Calls print_hex_dump_debug(), with log level of KERN_DEBUG, * rowsize of 16, groupsize of 1, and ASCII output included. */ #define print_hex_dump_bytes(prefix_str, prefix_type, buf, len) \ diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index 4bc8ff2a661438..8a1ad23da3a114 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -43,14 +43,7 @@ int dquot_initialize(struct inode *inode); bool dquot_initialize_needed(struct inode *inode); void dquot_drop(struct inode *inode); struct dquot *dqget(struct super_block *sb, struct kqid qid); -static inline struct dquot *dqgrab(struct dquot *dquot) -{ - /* Make sure someone else has active reference to dquot */ - WARN_ON_ONCE(!atomic_read(&dquot->dq_count)); - WARN_ON_ONCE(!test_bit(DQ_ACTIVE_B, &dquot->dq_flags)); - atomic_inc(&dquot->dq_count); - return dquot; -} +struct dquot *dqgrab(struct dquot *dquot); static inline bool dquot_is_busy(struct dquot *dquot) { diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 22d1575e4991b0..5037bda2f5b08d 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -124,6 +124,8 @@ struct rtc_device { bool nvram_old_abi; struct bin_attribute *nvram; + unsigned long features[BITS_TO_LONGS(RTC_FEATURE_CNT)]; + time64_t range_min; timeu64_t range_max; time64_t start_secs; diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h index 0ac9112c1bbe32..a406655c1fbd1e 100644 --- a/include/linux/spinlock_up.h +++ b/include/linux/spinlock_up.h @@ -48,16 +48,6 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) lock->slock = 1; } -/* - * Read-write spinlocks. No debug version. - */ -#define arch_read_lock(lock) do { barrier(); (void)(lock); } while (0) -#define arch_write_lock(lock) do { barrier(); (void)(lock); } while (0) -#define arch_read_trylock(lock) ({ barrier(); (void)(lock); 1; }) -#define arch_write_trylock(lock) ({ barrier(); (void)(lock); 1; }) -#define arch_read_unlock(lock) do { barrier(); (void)(lock); } while (0) -#define arch_write_unlock(lock) do { barrier(); (void)(lock); } while (0) - #else /* DEBUG_SPINLOCK */ #define arch_spin_is_locked(lock) ((void)(lock), 0) /* for sched/core.c and kernel_lock.c: */ @@ -69,4 +59,14 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) #define arch_spin_is_contended(lock) (((void)(lock), 0)) +/* + * Read-write spinlocks. No debug version. + */ +#define arch_read_lock(lock) do { barrier(); (void)(lock); } while (0) +#define arch_write_lock(lock) do { barrier(); (void)(lock); } while (0) +#define arch_read_trylock(lock) ({ barrier(); (void)(lock); 1; }) +#define arch_write_trylock(lock) ({ barrier(); (void)(lock); 1; }) +#define arch_read_unlock(lock) do { barrier(); (void)(lock); } while (0) +#define arch_write_unlock(lock) do { barrier(); (void)(lock); } while (0) + #endif /* __LINUX_SPINLOCK_UP_H */ diff --git a/include/linux/string.h b/include/linux/string.h index 0cef345a6e87a4..98b053d9c7005e 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -170,6 +170,18 @@ static inline void memcpy_flushcache(void *dst, const void *src, size_t cnt) void *memchr_inv(const void *s, int c, size_t n); char *strreplace(char *s, char old, char new); +/** + * mem_is_zero - Check if an area of memory is all 0's. + * @s: The memory area + * @n: The size of the area + * + * Return: True if the area of memory is all 0's. + */ +static inline bool mem_is_zero(const void *s, size_t n) +{ + return !memchr_inv(s, 0, n); +} + extern void kfree_const(const void *x); extern char *kstrdup(const char *s, gfp_t gfp) __malloc; diff --git a/include/linux/tpm_eventlog.h b/include/linux/tpm_eventlog.h index 7d68a5cc588163..6e5be15029fb14 100644 --- a/include/linux/tpm_eventlog.h +++ b/include/linux/tpm_eventlog.h @@ -131,11 +131,16 @@ struct tcg_algorithm_info { }; #ifndef TPM_MEMREMAP -#define TPM_MEMREMAP(start, size) NULL +static inline void *TPM_MEMREMAP(unsigned long start, size_t size) +{ + return NULL; +} #endif #ifndef TPM_MEMUNMAP -#define TPM_MEMUNMAP(start, size) do{} while(0) +static inline void TPM_MEMUNMAP(void *mapping, size_t size) +{ +} #endif /** diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h index f46e0ca0169c72..3461199c4ec0da 100644 --- a/include/linux/uprobes.h +++ b/include/linux/uprobes.h @@ -138,6 +138,7 @@ extern bool arch_uretprobe_is_alive(struct return_instance *ret, enum rp_check c extern bool arch_uprobe_ignore(struct arch_uprobe *aup, struct pt_regs *regs); extern void arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr, void *src, unsigned long len); +extern unsigned long arch_uprobe_get_xol_area(void); #else /* !CONFIG_UPROBES */ struct uprobes_state { }; diff --git a/include/linux/usb.h b/include/linux/usb.h index 72937287c3fc3c..03b96a995a8e4b 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -54,7 +54,8 @@ struct ep_device; * @ssp_isoc_ep_comp: SuperSpeedPlus isoc companion descriptor for this endpoint * @urb_list: urbs queued to this endpoint; maintained by usbcore * @hcpriv: for use by HCD; typically holds hardware dma queue head (QH) - * with one or more transfer descriptors (TDs) per urb + * with one or more transfer descriptors (TDs) per urb; must be preserved + * by core while BW is allocated for the endpoint * @ep_dev: ep_device for sysfs info * @extra: descriptors following this endpoint in the configuration * @extralen: how many bytes of "extra" are valid diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h index 4036063d047c26..af0918a6762117 100644 --- a/include/net/flow_dissector.h +++ b/include/net/flow_dissector.h @@ -269,6 +269,26 @@ struct flow_dissector_key_hash { u32 hash; }; +/** + * struct flow_dissector_key_num_of_vlans: + * @num_of_vlans: num_of_vlans value + */ +struct flow_dissector_key_num_of_vlans { + u8 num_of_vlans; +}; + +/** + * struct flow_dissector_key_pppoe: + * @session_id: pppoe session id + * @ppp_proto: ppp protocol + * @type: pppoe eth type + */ +struct flow_dissector_key_pppoe { + __be16 session_id; + __be16 ppp_proto; + __be16 type; +}; + enum flow_dissector_key_id { FLOW_DISSECTOR_KEY_CONTROL, /* struct flow_dissector_key_control */ FLOW_DISSECTOR_KEY_BASIC, /* struct flow_dissector_key_basic */ @@ -298,6 +318,8 @@ enum flow_dissector_key_id { FLOW_DISSECTOR_KEY_META, /* struct flow_dissector_key_meta */ FLOW_DISSECTOR_KEY_CT, /* struct flow_dissector_key_ct */ FLOW_DISSECTOR_KEY_HASH, /* struct flow_dissector_key_hash */ + FLOW_DISSECTOR_KEY_NUM_OF_VLANS, /* struct flow_dissector_key_num_of_vlans */ + FLOW_DISSECTOR_KEY_PPPOE, /* struct flow_dissector_key_pppoe */ FLOW_DISSECTOR_KEY_MAX, }; diff --git a/include/net/ipv6.h b/include/net/ipv6.h index d7b0710d0d9c10..c5975967387548 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -1025,12 +1025,6 @@ struct dst_entry *ip6_dst_lookup_flow(struct net *net, const struct sock *sk, st struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6, const struct in6_addr *final_dst, bool connected); -struct dst_entry *ip6_dst_lookup_tunnel(struct sk_buff *skb, - struct net_device *dev, - struct net *net, struct socket *sock, - struct in6_addr *saddr, - const struct ip_tunnel_info *info, - u8 protocol, bool use_cache); struct dst_entry *ip6_blackhole_route(struct net *net, struct dst_entry *orig_dst); diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 8f91609f928c11..70ee982f08d9db 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -6337,6 +6337,10 @@ void ieee80211_report_wowlan_wakeup(struct ieee80211_vif *vif, * @band: the band to transmit on * @sta: optional pointer to get the station to send the frame to * + * Return: %true if the skb was prepared, %false otherwise. + * On failure, the skb is freed by this function; callers must not + * free it again. + * * Note: must be called under RCU lock */ bool ieee80211_tx_prepare_skb(struct ieee80211_hw *hw, diff --git a/include/net/pie.h b/include/net/pie.h index 3fe2361e03b46d..f6fd51e2b7daa3 100644 --- a/include/net/pie.h +++ b/include/net/pie.h @@ -104,7 +104,7 @@ static inline void pie_vars_init(struct pie_vars *vars) vars->dq_tstamp = DTIME_INVALID; vars->accu_prob = 0; vars->dq_count = DQCOUNT_INVALID; - vars->avg_dq_rate = 0; + WRITE_ONCE(vars->avg_dq_rate, 0); } static inline struct pie_skb_cb *get_pie_cb(const struct sk_buff *skb) diff --git a/include/net/red.h b/include/net/red.h index cc9f6b0d7f1e9b..2fc217a07ade40 100644 --- a/include/net/red.h +++ b/include/net/red.h @@ -122,7 +122,6 @@ struct red_stats { u32 forced_drop; /* Forced drops, qavg > max_thresh */ u32 forced_mark; /* Forced marks, qavg > max_thresh */ u32 pdrop; /* Drops due to queue limits */ - u32 other; /* Drops due to drop() calls */ }; struct red_parms { diff --git a/include/net/route.h b/include/net/route.h index 2551f3f03b37ee..c6557fdcde2c43 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -128,12 +128,6 @@ static inline struct rtable *__ip_route_output_key(struct net *net, struct rtable *ip_route_output_flow(struct net *, struct flowi4 *flp, const struct sock *sk); -struct rtable *ip_route_output_tunnel(struct sk_buff *skb, - struct net_device *dev, - struct net *net, __be32 *saddr, - const struct ip_tunnel_info *info, - u8 protocol, bool use_cache); - struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_orig); diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h index 97a739c21f1f80..6a296bb88b974d 100644 --- a/include/net/udp_tunnel.h +++ b/include/net/udp_tunnel.h @@ -153,6 +153,21 @@ int udp_tunnel6_xmit_skb(struct dst_entry *dst, struct sock *sk, void udp_tunnel_sock_release(struct socket *sock); +struct rtable *udp_tunnel_dst_lookup(struct sk_buff *skb, + struct net_device *dev, + struct net *net, int oif, + __be32 *saddr, + const struct ip_tunnel_key *key, + __be16 sport, __be16 dport, u8 tos, + struct dst_cache *dst_cache); +struct dst_entry *udp_tunnel6_dst_lookup(struct sk_buff *skb, + struct net_device *dev, + struct net *net, + struct socket *sock, + struct in6_addr *saddr, + const struct ip_tunnel_info *info, + u8 protocol, bool use_cache); + struct metadata_dst *udp_tun_rx_dst(struct sk_buff *skb, unsigned short family, __be16 flags, __be64 tunnel_id, int md_size); diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h index 70cbc5095e7250..c74bf9931fb336 100644 --- a/include/sound/compress_driver.h +++ b/include/sound/compress_driver.h @@ -161,8 +161,6 @@ struct snd_compr { }; /* compress device register APIs */ -int snd_compress_register(struct snd_compr *device); -int snd_compress_deregister(struct snd_compr *device); int snd_compress_new(struct snd_card *card, int device, int type, const char *id, struct snd_compr *compr); diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h index d8aa1d35702434..dc816accaf38a2 100644 --- a/include/trace/events/btrfs.h +++ b/include/trace/events/btrfs.h @@ -697,12 +697,13 @@ TRACE_EVENT(btrfs_sync_file, ), TP_fast_assign( - const struct dentry *dentry = file->f_path.dentry; - const struct inode *inode = d_inode(dentry); + struct dentry *dentry = file_dentry(file); + struct inode *inode = file_inode(file); + struct inode *parent_inode = d_inode(dentry->d_parent); - TP_fast_assign_fsid(btrfs_sb(file->f_path.dentry->d_sb)); + TP_fast_assign_fsid(btrfs_sb(inode->i_sb)); __entry->ino = btrfs_ino(BTRFS_I(inode)); - __entry->parent = btrfs_ino(BTRFS_I(d_inode(dentry->d_parent))); + __entry->parent = btrfs_ino(BTRFS_I(parent_inode)); __entry->datasync = datasync; __entry->root_objectid = BTRFS_I(inode)->root->root_key.objectid; diff --git a/include/trace/events/ib_mad.h b/include/trace/events/ib_mad.h index 59363a083ecb9a..d92691c78cff60 100644 --- a/include/trace/events/ib_mad.h +++ b/include/trace/events/ib_mad.h @@ -49,7 +49,6 @@ DECLARE_EVENT_CLASS(ib_mad_send_template, __field(int, retries_left) __field(int, max_retries) __field(int, retry) - __field(u16, pkey) ), TP_fast_assign( @@ -89,7 +88,7 @@ DECLARE_EVENT_CLASS(ib_mad_send_template, "hdr : base_ver 0x%x class 0x%x class_ver 0x%x " \ "method 0x%x status 0x%x class_specific 0x%x tid 0x%llx " \ "attr_id 0x%x attr_mod 0x%x => dlid 0x%08x sl %d "\ - "pkey 0x%x rpqn 0x%x rqpkey 0x%x", + "rpqn 0x%x rqpkey 0x%x", __entry->dev_index, __entry->port_num, __entry->qp_num, __entry->agent_priv, be64_to_cpu(__entry->wrtid), __entry->retries_left, __entry->max_retries, @@ -100,7 +99,7 @@ DECLARE_EVENT_CLASS(ib_mad_send_template, be16_to_cpu(__entry->class_specific), be64_to_cpu(__entry->tid), be16_to_cpu(__entry->attr_id), be32_to_cpu(__entry->attr_mod), - be32_to_cpu(__entry->dlid), __entry->sl, __entry->pkey, + be32_to_cpu(__entry->dlid), __entry->sl, __entry->rqpn, __entry->rqkey ) ); @@ -204,7 +203,6 @@ TRACE_EVENT(ib_mad_recv_done_handler, __field(u16, wc_status) __field(u32, slid) __field(u32, dev_index) - __field(u16, pkey) ), TP_fast_assign( @@ -224,9 +222,6 @@ TRACE_EVENT(ib_mad_recv_done_handler, __entry->slid = wc->slid; __entry->src_qp = wc->src_qp; __entry->sl = wc->sl; - ib_query_pkey(qp_info->port_priv->device, - qp_info->port_priv->port_num, - wc->pkey_index, &__entry->pkey); __entry->wc_status = wc->status; ), @@ -234,7 +229,7 @@ TRACE_EVENT(ib_mad_recv_done_handler, "base_ver 0x%02x class 0x%02x class_ver 0x%02x " \ "method 0x%02x status 0x%04x class_specific 0x%04x " \ "tid 0x%016llx attr_id 0x%04x attr_mod 0x%08x " \ - "slid 0x%08x src QP%d, sl %d pkey 0x%04x", + "slid 0x%08x src QP%d, sl %d", __entry->dev_index, __entry->port_num, __entry->qp_num, __entry->wc_status, __entry->length, @@ -244,7 +239,7 @@ TRACE_EVENT(ib_mad_recv_done_handler, be16_to_cpu(__entry->class_specific), be64_to_cpu(__entry->tid), be16_to_cpu(__entry->attr_id), be32_to_cpu(__entry->attr_mod), - __entry->slid, __entry->src_qp, __entry->sl, __entry->pkey + __entry->slid, __entry->src_qp, __entry->sl ) ); diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h index 221856f2d295c4..6cde10ae4445d1 100644 --- a/include/trace/events/rxrpc.h +++ b/include/trace/events/rxrpc.h @@ -93,9 +93,13 @@ enum rxrpc_call_trace { rxrpc_call_put_notimer, rxrpc_call_put_timer, rxrpc_call_put_userid, + rxrpc_call_put_recvmsg_peek_nowait, rxrpc_call_queued, rxrpc_call_queued_ref, rxrpc_call_release, + rxrpc_call_see_recvmsg_requeue, + rxrpc_call_see_recvmsg_requeue_first, + rxrpc_call_see_recvmsg_requeue_move, rxrpc_call_seen, }; @@ -291,9 +295,13 @@ enum rxrpc_tx_point { EM(rxrpc_call_put_notimer, "PnT") \ EM(rxrpc_call_put_timer, "PTM") \ EM(rxrpc_call_put_userid, "Pus") \ + EM(rxrpc_call_put_recvmsg_peek_nowait, "PpN") \ EM(rxrpc_call_queued, "QUE") \ EM(rxrpc_call_queued_ref, "QUR") \ EM(rxrpc_call_release, "RLS") \ + EM(rxrpc_call_see_recvmsg_requeue, "SrQ") \ + EM(rxrpc_call_see_recvmsg_requeue_first,"SrF") \ + EM(rxrpc_call_see_recvmsg_requeue_move, "SrM") \ E_(rxrpc_call_seen, "SEE") #define rxrpc_transmit_traces \ diff --git a/include/uapi/linux/rtc.h b/include/uapi/linux/rtc.h index fa9aff91cbf27c..f950bff75e97ef 100644 --- a/include/uapi/linux/rtc.h +++ b/include/uapi/linux/rtc.h @@ -110,6 +110,11 @@ struct rtc_pll_info { #define RTC_AF 0x20 /* Alarm interrupt */ #define RTC_UF 0x10 /* Update interrupt for 1Hz RTC */ +/* feature list */ +#define RTC_FEATURE_ALARM 0 +#define RTC_FEATURE_ALARM_RES_MINUTE 1 +#define RTC_FEATURE_NEED_WEEK_DAY 2 +#define RTC_FEATURE_CNT 3 #define RTC_MAX_FREQ 8192 diff --git a/include/video/udlfb.h b/include/video/udlfb.h index 58fb5732831a43..ab34790d57ecd6 100644 --- a/include/video/udlfb.h +++ b/include/video/udlfb.h @@ -56,6 +56,7 @@ struct dlfb_data { spinlock_t damage_lock; struct work_struct damage_work; struct fb_ops ops; + atomic_t mmap_count; /* blit-only rendering path metrics, exposed through sysfs */ atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */ atomic_t bytes_identical; /* saved effort with backbuffer comparison */ diff --git a/io_uring/io-wq.c b/io_uring/io-wq.c index 926890f5086e12..5d95e604b7e646 100644 --- a/io_uring/io-wq.c +++ b/io_uring/io-wq.c @@ -1014,7 +1014,8 @@ static inline void io_wqe_remove_pending(struct io_wqe *wqe, if (io_wq_is_hashed(work) && work == wqe->hash_tail[hash]) { if (prev) prev_work = container_of(prev, struct io_wq_work, list); - if (prev_work && io_get_work_hash(prev_work) == hash) + if (prev_work && io_wq_is_hashed(prev_work) && + io_get_work_hash(prev_work) == hash) wqe->hash_tail[hash] = prev_work; else wqe->hash_tail[hash] = NULL; diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index dea1fb22c0efb3..2ca09e2dbd3d4a 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -5647,14 +5647,19 @@ static int io_poll_wake(struct wait_queue_entry *wait, unsigned mode, int sync, if (mask && !(mask & poll->events)) return 0; + /* + * If we trigger a multishot poll off our own wakeup path, + * disable multishot as there is a circular dependency between + * CQ posting and triggering the event. + */ + if (mask & EPOLL_URING_WAKE) + poll->events |= EPOLLONESHOT; + if (io_poll_get_ownership(req)) { - /* - * If we trigger a multishot poll off our own wakeup path, - * disable multishot as there is a circular dependency between - * CQ posting and triggering the event. - */ - if (mask & EPOLL_URING_WAKE) - poll->events |= EPOLLONESHOT; + if (mask && poll->events & EPOLLONESHOT) { + list_del_init(&poll->wait.entry); + smp_store_release(&poll->head, NULL); + } __io_poll_execute(req, mask); } @@ -5992,26 +5997,22 @@ static int __io_poll_add(struct io_kiocb *req, unsigned int issue_flags) if (!ret && ipt.error) req_set_fail(req); ret = ret ?: ipt.error; - if (ret > 0) { + if (ret) __io_req_complete(req, issue_flags, ret, 0); - return ret; - } - return 0; + return ret; } static int io_poll_add(struct io_kiocb *req, unsigned int issue_flags) { - int ret; - - ret = __io_poll_add(req, issue_flags); - return ret < 0 ? ret : 0; + __io_poll_add(req, issue_flags); + return 0; } static int io_poll_update(struct io_kiocb *req, unsigned int issue_flags) { struct io_ring_ctx *ctx = req->ctx; struct io_kiocb *preq; - int ret2, ret = 0; + int ret2 = -ECANCELED, ret = 0; io_ring_submit_lock(ctx, !(issue_flags & IO_URING_F_NONBLOCK)); @@ -6042,7 +6043,7 @@ static int io_poll_update(struct io_kiocb *req, unsigned int issue_flags) preq->result = ret2; } - if (preq->result < 0) + if (ret2 < 0) req_set_fail(preq); io_req_complete(preq, preq->result); out: diff --git a/kernel/audit.c b/kernel/audit.c index 2ab04e0a744189..da07e4f2117b5e 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -1430,6 +1430,8 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh, err = audit_list_rules_send(skb, seq); break; case AUDIT_TRIM: + if (audit_enabled == AUDIT_LOCKED) + return -EPERM; audit_trim_trees(); audit_log_common_recv_msg(audit_context(), &ab, AUDIT_CONFIG_CHANGE); @@ -1442,6 +1444,8 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh, size_t msglen = data_len; char *old, *new; + if (audit_enabled == AUDIT_LOCKED) + return -EPERM; err = -EINVAL; if (msglen < 2 * sizeof(u32)) break; diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 57b982b44732e4..9f233616748a31 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -2582,7 +2582,7 @@ void __audit_log_capset(const struct cred *new, const struct cred *old) struct audit_context *context = audit_context(); context->capset.pid = task_tgid_nr(current); context->capset.cap.effective = new->cap_effective; - context->capset.cap.inheritable = new->cap_effective; + context->capset.cap.inheritable = new->cap_inheritable; context->capset.cap.permitted = new->cap_permitted; context->capset.cap.ambient = new->cap_ambient; context->type = AUDIT_CAPSET; diff --git a/kernel/bpf/local_storage.c b/kernel/bpf/local_storage.c index b139247d2dd33d..5c12b4d1303331 100644 --- a/kernel/bpf/local_storage.c +++ b/kernel/bpf/local_storage.c @@ -261,7 +261,7 @@ static int cgroup_storage_get_next_key(struct bpf_map *_map, void *key, goto enoent; storage = list_next_entry(storage, list_map); - if (!storage) + if (list_entry_is_head(storage, &map->list, list_map)) goto enoent; } else { storage = list_first_entry(&map->list, diff --git a/kernel/cgroup/rdma.c b/kernel/cgroup/rdma.c index ae042c347c640a..b52ee28be3455a 100644 --- a/kernel/cgroup/rdma.c +++ b/kernel/cgroup/rdma.c @@ -281,7 +281,7 @@ int rdmacg_try_charge(struct rdma_cgroup **rdmacg, ret = PTR_ERR(rpool); goto err; } else { - new = rpool->resources[index].usage + 1; + new = (s64)rpool->resources[index].usage + 1; if (new > rpool->resources[index].max) { ret = -EAGAIN; goto err; diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 4f2a9fab8ae88e..f3bc64c4fa787d 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -1438,6 +1438,12 @@ void uprobe_munmap(struct vm_area_struct *vma, unsigned long start, unsigned lon set_bit(MMF_RECALC_UPROBES, &vma->vm_mm->flags); } +unsigned long __weak arch_uprobe_get_xol_area(void) +{ + /* Try to map as high as possible, this is only a hint. */ + return get_unmapped_area(NULL, TASK_SIZE - PAGE_SIZE, PAGE_SIZE, 0, 0); +} + /* Slot allocation for XOL */ static int xol_add_vma(struct mm_struct *mm, struct xol_area *area) { @@ -1453,9 +1459,7 @@ static int xol_add_vma(struct mm_struct *mm, struct xol_area *area) } if (!area->vaddr) { - /* Try to map as high as possible, this is only a hint. */ - area->vaddr = get_unmapped_area(NULL, TASK_SIZE - PAGE_SIZE, - PAGE_SIZE, 0, 0); + area->vaddr = arch_uprobe_get_xol_area(); if (IS_ERR_VALUE(area->vaddr)) { ret = area->vaddr; goto fail; diff --git a/kernel/padata.c b/kernel/padata.c index 6c8a141b5c4b2c..6d8af344498b73 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -266,20 +266,17 @@ EXPORT_SYMBOL(padata_do_parallel); * be parallel processed by another cpu and is not yet present in * the cpu's reorder queue. */ -static struct padata_priv *padata_find_next(struct parallel_data *pd, - bool remove_object) +static struct padata_priv *padata_find_next(struct parallel_data *pd, int cpu, + unsigned int processed) { struct padata_priv *padata; struct padata_list *reorder; - int cpu = pd->cpu; reorder = per_cpu_ptr(pd->reorder_list, cpu); spin_lock(&reorder->lock); - if (list_empty(&reorder->list)) { - spin_unlock(&reorder->lock); - return NULL; - } + if (list_empty(&reorder->list)) + goto notfound; padata = list_entry(reorder->list.next, struct padata_priv, list); @@ -287,101 +284,52 @@ static struct padata_priv *padata_find_next(struct parallel_data *pd, * Checks the rare case where two or more parallel jobs have hashed to * the same CPU and one of the later ones finishes first. */ - if (padata->seq_nr != pd->processed) { - spin_unlock(&reorder->lock); - return NULL; - } - - if (remove_object) { - list_del_init(&padata->list); - ++pd->processed; - /* When sequence wraps around, reset to the first CPU. */ - if (unlikely(pd->processed == 0)) - pd->cpu = cpumask_first(pd->cpumask.pcpu); - else - pd->cpu = cpumask_next_wrap(cpu, pd->cpumask.pcpu, -1, false); - } + if (padata->seq_nr != processed) + goto notfound; + list_del_init(&padata->list); spin_unlock(&reorder->lock); return padata; + +notfound: + pd->processed = processed; + pd->cpu = cpu; + spin_unlock(&reorder->lock); + return NULL; } -static void padata_reorder(struct parallel_data *pd) +static void padata_reorder(struct padata_priv *padata) { + struct parallel_data *pd = padata->pd; struct padata_instance *pinst = pd->ps->pinst; - int cb_cpu; - struct padata_priv *padata; - struct padata_serial_queue *squeue; - struct padata_list *reorder; + unsigned int processed; + int cpu; - /* - * We need to ensure that only one cpu can work on dequeueing of - * the reorder queue the time. Calculating in which percpu reorder - * queue the next object will arrive takes some time. A spinlock - * would be highly contended. Also it is not clear in which order - * the objects arrive to the reorder queues. So a cpu could wait to - * get the lock just to notice that there is nothing to do at the - * moment. Therefore we use a trylock and let the holder of the lock - * care for all the objects enqueued during the holdtime of the lock. - */ - if (!spin_trylock_bh(&pd->lock)) - return; + processed = pd->processed; + cpu = pd->cpu; - while (1) { - padata = padata_find_next(pd, true); + do { + struct padata_serial_queue *squeue; + int cb_cpu; - /* - * If the next object that needs serialization is parallel - * processed by another cpu and is still on it's way to the - * cpu's reorder queue, nothing to do for now. - */ - if (!padata) - break; + cpu = cpumask_next_wrap(cpu, pd->cpumask.pcpu, -1, false); + processed++; cb_cpu = padata->cb_cpu; squeue = per_cpu_ptr(pd->squeue, cb_cpu); spin_lock(&squeue->serial.lock); list_add_tail(&padata->list, &squeue->serial.list); - spin_unlock(&squeue->serial.lock); - queue_work_on(cb_cpu, pinst->serial_wq, &squeue->work); - } - spin_unlock_bh(&pd->lock); - - /* - * The next object that needs serialization might have arrived to - * the reorder queues in the meantime. - * - * Ensure reorder queue is read after pd->lock is dropped so we see - * new objects from another task in padata_do_serial. Pairs with - * smp_mb in padata_do_serial. - */ - smp_mb(); - - reorder = per_cpu_ptr(pd->reorder_list, pd->cpu); - if (!list_empty(&reorder->list) && padata_find_next(pd, false)) { /* - * Other context(eg. the padata_serial_worker) can finish the request. - * To avoid UAF issue, add pd ref here, and put pd ref after reorder_work finish. + * If the next object that needs serialization is parallel + * processed by another cpu and is still on it's way to the + * cpu's reorder queue, end the loop. */ - padata_get_pd(pd); - if (!queue_work(pinst->serial_wq, &pd->reorder_work)) - padata_put_pd(pd); - } -} - -static void invoke_padata_reorder(struct work_struct *work) -{ - struct parallel_data *pd; - - local_bh_disable(); - pd = container_of(work, struct parallel_data, reorder_work); - padata_reorder(pd); - local_bh_enable(); - /* Pairs with putting the reorder_work in the serial_wq */ - padata_put_pd(pd); + padata = padata_find_next(pd, cpu, processed); + spin_unlock(&squeue->serial.lock); + } while (padata); } static void padata_serial_worker(struct work_struct *serial_work) @@ -432,6 +380,7 @@ void padata_do_serial(struct padata_priv *padata) struct padata_list *reorder = per_cpu_ptr(pd->reorder_list, hashed_cpu); struct padata_priv *cur; struct list_head *pos; + bool gotit = true; spin_lock(&reorder->lock); /* Sort in ascending order of sequence number. */ @@ -441,17 +390,14 @@ void padata_do_serial(struct padata_priv *padata) if ((signed int)(cur->seq_nr - padata->seq_nr) < 0) break; } - list_add(&padata->list, pos); + if (padata->seq_nr != pd->processed) { + gotit = false; + list_add(&padata->list, pos); + } spin_unlock(&reorder->lock); - /* - * Ensure the addition to the reorder list is ordered correctly - * with the trylock of pd->lock in padata_reorder. Pairs with smp_mb - * in padata_reorder. - */ - smp_mb(); - - padata_reorder(pd); + if (gotit) + padata_reorder(padata); } EXPORT_SYMBOL(padata_do_serial); @@ -638,9 +584,7 @@ static struct parallel_data *padata_alloc_pd(struct padata_shell *ps) padata_init_squeues(pd); pd->seq_nr = -1; refcount_set(&pd->refcnt, 1); - spin_lock_init(&pd->lock); pd->cpu = cpumask_first(pd->cpumask.pcpu); - INIT_WORK(&pd->reorder_work, invoke_padata_reorder); return pd; @@ -1150,12 +1094,6 @@ void padata_free_shell(struct padata_shell *ps) if (!ps) return; - /* - * Wait for all _do_serial calls to finish to avoid touching - * freed pd's and ps's. - */ - synchronize_rcu(); - mutex_lock(&ps->pinst->lock); list_del(&ps->list); pd = rcu_dereference_protected(ps->pd, 1); diff --git a/kernel/taskstats.c b/kernel/taskstats.c index a2802b6ff4bbee..14c65293a865c2 100644 --- a/kernel/taskstats.c +++ b/kernel/taskstats.c @@ -632,6 +632,7 @@ void taskstats_exit(struct task_struct *tsk, int group_dead) goto err; memcpy(stats, tsk->signal->stats, sizeof(*stats)); + stats->version = TASKSTATS_VERSION; send: send_cpu_listeners(rep_skb, listeners); diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index 771b31018517a8..976974edb355d3 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -92,7 +92,7 @@ static int alarmtimer_rtc_add_device(struct device *dev, if (rtcdev) return -EBUSY; - if (!rtc->ops->set_alarm) + if (!test_bit(RTC_FEATURE_ALARM, rtc->features)) return -1; if (!device_may_wakeup(rtc->dev.parent)) return -1; diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 221895e0363561..03a7127efc5a8a 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -4167,6 +4167,7 @@ static void rb_iter_reset(struct ring_buffer_iter *iter) iter->head_page = cpu_buffer->reader_page; iter->head = cpu_buffer->reader_page->read; iter->next_event = iter->head; + iter->missed_events = 0; iter->cache_reader_page = iter->head_page; iter->cache_read = cpu_buffer->read; @@ -4776,10 +4777,7 @@ ring_buffer_peek(struct trace_buffer *buffer, int cpu, u64 *ts, */ bool ring_buffer_iter_dropped(struct ring_buffer_iter *iter) { - bool ret = iter->missed_events != 0; - - iter->missed_events = 0; - return ret; + return iter->missed_events != 0; } EXPORT_SYMBOL_GPL(ring_buffer_iter_dropped); @@ -4996,7 +4994,7 @@ void ring_buffer_iter_advance(struct ring_buffer_iter *iter) unsigned long flags; raw_spin_lock_irqsave(&cpu_buffer->reader_lock, flags); - + iter->missed_events = 0; rb_advance_iter(iter); raw_spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags); diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c index eff099123aa271..363302960ba9ed 100644 --- a/kernel/trace/trace_branch.c +++ b/kernel/trace/trace_branch.c @@ -379,10 +379,10 @@ __init static int init_annotated_branch_stats(void) int ret; ret = register_stat_tracer(&annotated_branch_stats); - if (!ret) { + if (ret) { printk(KERN_WARNING "Warning: could not register " "annotated branches stats\n"); - return 1; + return ret; } return 0; } @@ -444,10 +444,10 @@ __init static int all_annotated_branch_stats(void) int ret; ret = register_stat_tracer(&all_branch_stats); - if (!ret) { + if (ret) { printk(KERN_WARNING "Warning: could not register " "all branches stats\n"); - return 1; + return ret; } return 0; } diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index f499838d9103fb..32f9ab82a8810c 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -1100,13 +1100,13 @@ static const char *hist_field_name(struct hist_field *field, field->flags & HIST_FIELD_FL_VAR_REF) { if (field->system) { static char full_name[MAX_FILTER_STR_VAL]; + int len; - strcat(full_name, field->system); - strcat(full_name, "."); - strcat(full_name, field->event_name); - strcat(full_name, "."); - strcat(full_name, field->name); - field_name = full_name; + len = snprintf(full_name, sizeof(full_name), "%s.%s.%s", + field->system, field->event_name, + field->name); + if (len < sizeof(full_name)) + field_name = full_name; } else field_name = field->name; } else if (field->flags & HIST_FIELD_FL_TIMESTAMP) diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c index 1893fe5460acb1..698eb997b37ea6 100644 --- a/kernel/trace/trace_probe.c +++ b/kernel/trace/trace_probe.c @@ -341,7 +341,7 @@ static int __parse_imm_string(char *str, char **pbuf, int offs) { size_t len = strlen(str); - if (str[len - 1] != '"') { + if (!len || str[len - 1] != '"') { trace_probe_log_err(offs + len, IMMSTR_NO_CLOSE); return -EINVAL; } diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c index 3584a35104dd67..d9002805214b2c 100644 --- a/kernel/trace/tracing_map.c +++ b/kernel/trace/tracing_map.c @@ -386,13 +386,11 @@ static void tracing_map_elt_init_fields(struct tracing_map_elt *elt) } } -static void tracing_map_elt_free(struct tracing_map_elt *elt) +static void __tracing_map_elt_free(struct tracing_map_elt *elt) { if (!elt) return; - if (elt->map->ops && elt->map->ops->elt_free) - elt->map->ops->elt_free(elt); kfree(elt->fields); kfree(elt->vars); kfree(elt->var_set); @@ -400,6 +398,17 @@ static void tracing_map_elt_free(struct tracing_map_elt *elt) kfree(elt); } +static void tracing_map_elt_free(struct tracing_map_elt *elt) +{ + if (!elt) + return; + + /* Only objects initialized with alloc_elt() should be passed to free_elt().*/ + if (elt->map->ops && elt->map->ops->elt_free) + elt->map->ops->elt_free(elt); + __tracing_map_elt_free(elt); +} + static struct tracing_map_elt *tracing_map_elt_alloc(struct tracing_map *map) { struct tracing_map_elt *elt; @@ -444,7 +453,7 @@ static struct tracing_map_elt *tracing_map_elt_alloc(struct tracing_map *map) } return elt; free: - tracing_map_elt_free(elt); + __tracing_map_elt_free(elt); return ERR_PTR(err); } diff --git a/lib/kunit/Kconfig b/lib/kunit/Kconfig index 00909e6a24438a..48d4a2d95fd809 100644 --- a/lib/kunit/Kconfig +++ b/lib/kunit/Kconfig @@ -15,8 +15,9 @@ menuconfig KUNIT if KUNIT config KUNIT_DEBUGFS - bool "KUnit - Enable /sys/kernel/debug/kunit debugfs representation" if !KUNIT_ALL_TESTS - default KUNIT_ALL_TESTS + bool "KUnit - Enable /sys/kernel/debug/kunit debugfs representation" + depends on DEBUG_FS + default y help Enable debugfs representation for kunit. Currently this consists of /sys/kernel/debug/kunit//results files for each diff --git a/lib/ts_kmp.c b/lib/ts_kmp.c index c77a3d537f2436..ed13eb0fcd724a 100644 --- a/lib/ts_kmp.c +++ b/lib/ts_kmp.c @@ -94,8 +94,22 @@ static struct ts_config *kmp_init(const void *pattern, unsigned int len, struct ts_config *conf; struct ts_kmp *kmp; int i; - unsigned int prefix_tbl_len = len * sizeof(unsigned int); - size_t priv_size = sizeof(*kmp) + len + prefix_tbl_len; + unsigned int prefix_tbl_len; + size_t priv_size; + + /* Zero-length patterns would make kmp_find() read beyond kmp->pattern. */ + if (unlikely(!len)) + return ERR_PTR(-EINVAL); + + /* + * kmp->pattern is stored immediately after the prefix_tbl[] table. + * Reject lengths that would wrap while sizing either region. + */ + if (unlikely(check_mul_overflow(len, sizeof(*kmp->prefix_tbl), + &prefix_tbl_len) || + check_add_overflow(sizeof(*kmp), (size_t)len, &priv_size) || + check_add_overflow(priv_size, prefix_tbl_len, &priv_size))) + return ERR_PTR(-EINVAL); conf = alloc_ts_config(priv_size, gfp_mask); if (IS_ERR(conf)) diff --git a/mm/backing-dev.c b/mm/backing-dev.c index dd08ab928e0711..1670262844ead3 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -397,12 +397,13 @@ static void cgwb_release_workfn(struct work_struct *work) wb_shutdown(wb); css_put(wb->memcg_css); - css_put(wb->blkcg_css); - mutex_unlock(&wb->bdi->cgwb_release_mutex); /* triggers blkg destruction if no online users left */ blkcg_unpin_online(blkcg); + css_put(wb->blkcg_css); + mutex_unlock(&wb->bdi->cgwb_release_mutex); + fprop_local_destroy_percpu(&wb->memcg_completions); wb_exit(wb); call_rcu(&wb->rcu, cgwb_free_rcu); diff --git a/mm/kasan/init.c b/mm/kasan/init.c index b8c6ec172bb22a..a8a971d242b7a5 100644 --- a/mm/kasan/init.c +++ b/mm/kasan/init.c @@ -294,7 +294,7 @@ static void kasan_free_pte(pte_t *pte_start, pmd_t *pmd) return; } - pte_free_kernel(&init_mm, (pte_t *)page_to_virt(pmd_page(*pmd))); + pte_free_kernel(&init_mm, pte_start); pmd_clear(pmd); } @@ -309,7 +309,7 @@ static void kasan_free_pmd(pmd_t *pmd_start, pud_t *pud) return; } - pmd_free(&init_mm, (pmd_t *)page_to_virt(pud_page(*pud))); + pmd_free(&init_mm, pmd_start); pud_clear(pud); } @@ -324,7 +324,7 @@ static void kasan_free_pud(pud_t *pud_start, p4d_t *p4d) return; } - pud_free(&init_mm, (pud_t *)page_to_virt(p4d_page(*p4d))); + pud_free(&init_mm, pud_start); p4d_clear(p4d); } @@ -339,7 +339,7 @@ static void kasan_free_p4d(p4d_t *p4d_start, pgd_t *pgd) return; } - p4d_free(&init_mm, (p4d_t *)page_to_virt(pgd_page(*pgd))); + p4d_free(&init_mm, p4d_start); pgd_clear(pgd); } diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 68ac19c75ed111..f35665a4045123 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -174,19 +174,12 @@ free_orig_node_hash: static struct batadv_neigh_node * batadv_iv_ogm_neigh_new(struct batadv_hard_iface *hard_iface, const u8 *neigh_addr, - struct batadv_orig_node *orig_node, - struct batadv_orig_node *orig_neigh) + struct batadv_orig_node *orig_node) { struct batadv_neigh_node *neigh_node; neigh_node = batadv_neigh_node_get_or_create(orig_node, hard_iface, neigh_addr); - if (!neigh_node) - goto out; - - neigh_node->orig_node = orig_neigh; - -out: return neigh_node; } @@ -336,7 +329,7 @@ static void batadv_iv_ogm_send_to_if(struct batadv_forw_packet *forw_packet, struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); const char *fwd_str; u8 packet_num; - s16 buff_pos; + int buff_pos; struct batadv_ogm_packet *batadv_ogm_packet; struct sk_buff *skb; u8 *packet_pos; @@ -904,6 +897,31 @@ static u8 batadv_iv_orig_ifinfo_sum(struct batadv_orig_node *orig_node, return sum; } +/** + * batadv_iv_ogm_neigh_ifinfo_sum() - Get bcast_own sum for a last-hop neighbor + * @bat_priv: the bat priv with all the mesh interface information + * @neigh_node: last-hop neighbor of an originator + * + * Return: Number of replied (rebroadcasted) OGMs for the originator currently + * announced by the neighbor. Returns 0 if the neighbor's originator entry is + * not available anymore. + */ +static u8 batadv_iv_ogm_neigh_ifinfo_sum(struct batadv_priv *bat_priv, + const struct batadv_neigh_node *neigh_node) +{ + struct batadv_orig_node *orig_neigh; + u8 sum; + + orig_neigh = batadv_orig_hash_find(bat_priv, neigh_node->addr); + if (!orig_neigh) + return 0; + + sum = batadv_iv_orig_ifinfo_sum(orig_neigh, neigh_node->if_incoming); + batadv_orig_node_put(orig_neigh); + + return sum; +} + /** * batadv_iv_ogm_orig_update() - use OGM to update corresponding data in an * originator @@ -973,17 +991,9 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv, } if (!neigh_node) { - struct batadv_orig_node *orig_tmp; - - orig_tmp = batadv_iv_ogm_orig_get(bat_priv, ethhdr->h_source); - if (!orig_tmp) - goto unlock; - neigh_node = batadv_iv_ogm_neigh_new(if_incoming, ethhdr->h_source, - orig_node, orig_tmp); - - batadv_orig_node_put(orig_tmp); + orig_node); if (!neigh_node) goto unlock; } else { @@ -1035,10 +1045,9 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv, */ if (router_ifinfo && neigh_ifinfo->bat_iv.tq_avg == router_ifinfo->bat_iv.tq_avg) { - sum_orig = batadv_iv_orig_ifinfo_sum(router->orig_node, - router->if_incoming); - sum_neigh = batadv_iv_orig_ifinfo_sum(neigh_node->orig_node, - neigh_node->if_incoming); + sum_orig = batadv_iv_ogm_neigh_ifinfo_sum(bat_priv, router); + sum_neigh = batadv_iv_ogm_neigh_ifinfo_sum(bat_priv, + neigh_node); if (sum_orig >= sum_neigh) goto out; } @@ -1108,7 +1117,6 @@ static bool batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node, if (!neigh_node) neigh_node = batadv_iv_ogm_neigh_new(if_incoming, orig_neigh_node->orig, - orig_neigh_node, orig_neigh_node); if (!neigh_node) @@ -1305,6 +1313,32 @@ out: return ret; } +/** + * batadv_orig_to_direct_router() - get direct next hop neighbor to an orig address + * @bat_priv: the bat priv with all the mesh interface information + * @orig_addr: the originator MAC address to search the best next hop router for + * @if_outgoing: the interface where the OGM should be sent to + * + * Return: A neighbor node which is the best router towards the given originator + * address. Bonding candidates are ignored. + */ +static struct batadv_neigh_node * +batadv_orig_to_direct_router(struct batadv_priv *bat_priv, u8 *orig_addr, + struct batadv_hard_iface *if_outgoing) +{ + struct batadv_neigh_node *neigh_node; + struct batadv_orig_node *orig_node; + + orig_node = batadv_orig_hash_find(bat_priv, orig_addr); + if (!orig_node) + return NULL; + + neigh_node = batadv_orig_router_get(orig_node, if_outgoing); + batadv_orig_node_put(orig_node); + + return neigh_node; +} + /** * batadv_iv_ogm_process_per_outif() - process a batman iv OGM for an outgoing * interface @@ -1375,8 +1409,9 @@ batadv_iv_ogm_process_per_outif(const struct sk_buff *skb, int ogm_offset, router = batadv_orig_router_get(orig_node, if_outgoing); if (router) { - router_router = batadv_orig_router_get(router->orig_node, - if_outgoing); + router_router = batadv_orig_to_direct_router(bat_priv, + router->addr, + if_outgoing); router_ifinfo = batadv_neigh_ifinfo_get(router, if_outgoing); } diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index 986f707e7d973a..d8305961b59bd1 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -319,8 +319,8 @@ batadv_bla_del_backbone_claims(struct batadv_bla_backbone_gw *backbone_gw) if (claim->backbone_gw != backbone_gw) continue; - batadv_claim_put(claim); hlist_del_rcu(&claim->hash_entry); + batadv_claim_put(claim); } spin_unlock_bh(list_lock); } @@ -728,6 +728,7 @@ static void batadv_bla_add_claim(struct batadv_priv *bat_priv, if (unlikely(hash_added != 0)) { /* only local changes happened. */ + batadv_backbone_gw_put(backbone_gw); kfree(claim); return; } @@ -1228,6 +1229,7 @@ static void batadv_bla_purge_backbone_gw(struct batadv_priv *bat_priv, int now) struct hlist_head *head; struct batadv_hashtable *hash; spinlock_t *list_lock; /* protects write access to the hash lists */ + bool purged; int i; hash = bat_priv->bla.backbone_hash; @@ -1238,30 +1240,45 @@ static void batadv_bla_purge_backbone_gw(struct batadv_priv *bat_priv, int now) head = &hash->table[i]; list_lock = &hash->list_locks[i]; - spin_lock_bh(list_lock); - hlist_for_each_entry_safe(backbone_gw, node_tmp, - head, hash_entry) { - if (now) - goto purge_now; - if (!batadv_has_timed_out(backbone_gw->lasttime, - BATADV_BLA_BACKBONE_TIMEOUT)) - continue; + do { + purged = false; + + spin_lock_bh(list_lock); + hlist_for_each_entry_safe(backbone_gw, node_tmp, + head, hash_entry) { + if (now) + goto purge_now; + if (!batadv_has_timed_out(backbone_gw->lasttime, + BATADV_BLA_BACKBONE_TIMEOUT)) + continue; - batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv, - "%s(): backbone gw %pM timed out\n", - __func__, backbone_gw->orig); + batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv, + "%s(): backbone gw %pM timed out\n", + __func__, backbone_gw->orig); purge_now: - /* don't wait for the pending request anymore */ - if (atomic_read(&backbone_gw->request_sent)) - atomic_dec(&bat_priv->bla.num_requests); + purged = true; - batadv_bla_del_backbone_claims(backbone_gw); + /* don't wait for the pending request anymore */ + if (atomic_read(&backbone_gw->request_sent)) + atomic_dec(&bat_priv->bla.num_requests); - hlist_del_rcu(&backbone_gw->hash_entry); - batadv_backbone_gw_put(backbone_gw); - } - spin_unlock_bh(list_lock); + batadv_bla_del_backbone_claims(backbone_gw); + + hlist_del_rcu(&backbone_gw->hash_entry); + break; + } + spin_unlock_bh(list_lock); + + if (purged) { + /* reference for pending report_work */ + if (cancel_work_sync(&backbone_gw->report_work)) + batadv_backbone_gw_put(backbone_gw); + + /* reference for hash_entry */ + batadv_backbone_gw_put(backbone_gw); + } + } while (purged); } } @@ -1293,6 +1310,13 @@ static void batadv_bla_purge_claims(struct batadv_priv *bat_priv, rcu_read_lock(); hlist_for_each_entry_rcu(claim, head, hash_entry) { + /* only purge claims not currently in the process of being released. + * Such claims could otherwise have a NULL-ptr backbone_gw set because + * they already went through batadv_claim_release() + */ + if (!kref_get_unless_zero(&claim->refcount)) + continue; + backbone_gw = batadv_bla_claim_get_backbone_gw(claim); if (now) goto purge_now; @@ -1318,6 +1342,7 @@ purge_now: claim->addr, claim->vid); skip: batadv_backbone_gw_put(backbone_gw); + batadv_claim_put(claim); } rcu_read_unlock(); } @@ -2206,6 +2231,7 @@ batadv_bla_claim_dump_entry(struct sk_buff *msg, u32 portid, struct batadv_bla_claim *claim) { u8 *primary_addr = primary_if->net_dev->dev_addr; + struct batadv_bla_backbone_gw *backbone_gw; u16 backbone_crc; bool is_own; void *hdr; @@ -2221,32 +2247,35 @@ batadv_bla_claim_dump_entry(struct sk_buff *msg, u32 portid, genl_dump_check_consistent(cb, hdr); - is_own = batadv_compare_eth(claim->backbone_gw->orig, - primary_addr); + backbone_gw = batadv_bla_claim_get_backbone_gw(claim); - spin_lock_bh(&claim->backbone_gw->crc_lock); - backbone_crc = claim->backbone_gw->crc; - spin_unlock_bh(&claim->backbone_gw->crc_lock); + is_own = batadv_compare_eth(backbone_gw->orig, primary_addr); + + spin_lock_bh(&backbone_gw->crc_lock); + backbone_crc = backbone_gw->crc; + spin_unlock_bh(&backbone_gw->crc_lock); if (is_own) if (nla_put_flag(msg, BATADV_ATTR_BLA_OWN)) { genlmsg_cancel(msg, hdr); - goto out; + goto put_backbone_gw; } if (nla_put(msg, BATADV_ATTR_BLA_ADDRESS, ETH_ALEN, claim->addr) || nla_put_u16(msg, BATADV_ATTR_BLA_VID, claim->vid) || nla_put(msg, BATADV_ATTR_BLA_BACKBONE, ETH_ALEN, - claim->backbone_gw->orig) || + backbone_gw->orig) || nla_put_u16(msg, BATADV_ATTR_BLA_CRC, backbone_crc)) { genlmsg_cancel(msg, hdr); - goto out; + goto put_backbone_gw; } genlmsg_end(msg, hdr); ret = 0; +put_backbone_gw: + batadv_backbone_gw_put(backbone_gw); out: return ret; } @@ -2612,6 +2641,7 @@ out: bool batadv_bla_check_claim(struct batadv_priv *bat_priv, u8 *addr, unsigned short vid) { + struct batadv_bla_backbone_gw *backbone_gw; struct batadv_bla_claim search_claim; struct batadv_bla_claim *claim = NULL; struct batadv_hard_iface *primary_if = NULL; @@ -2634,9 +2664,13 @@ bool batadv_bla_check_claim(struct batadv_priv *bat_priv, * return false. */ if (claim) { - if (!batadv_compare_eth(claim->backbone_gw->orig, + backbone_gw = batadv_bla_claim_get_backbone_gw(claim); + + if (!batadv_compare_eth(backbone_gw->orig, primary_if->net_dev->dev_addr)) ret = false; + + batadv_backbone_gw_put(backbone_gw); batadv_claim_put(claim); } diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index ddd3b4c70a516e..e2b94d1442670f 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -701,6 +701,9 @@ static bool batadv_dat_forward_data(struct batadv_priv *bat_priv, goto free_orig; tmp_skb = pskb_copy_for_clone(skb, GFP_ATOMIC); + if (!tmp_skb) + goto free_neigh; + if (!batadv_send_skb_prepare_unicast_4addr(bat_priv, tmp_skb, cand[i].orig_node, packet_subtype)) { diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c index 0eb94024addb64..724e06e3e799f4 100644 --- a/net/batman-adv/fragmentation.c +++ b/net/batman-adv/fragmentation.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -82,9 +83,9 @@ void batadv_frag_purge_orig(struct batadv_orig_node *orig_node, * * Return: the maximum size of payload that can be fragmented. */ -static int batadv_frag_size_limit(void) +static size_t batadv_frag_size_limit(void) { - int limit = BATADV_FRAG_MAX_FRAG_SIZE; + size_t limit = BATADV_FRAG_MAX_FRAG_SIZE; limit -= sizeof(struct batadv_frag_packet); limit *= BATADV_FRAG_MAX_FRAGMENTS; @@ -145,7 +146,9 @@ static bool batadv_frag_insert_packet(struct batadv_orig_node *orig_node, struct batadv_frag_packet *frag_packet; u8 bucket; u16 seqno, hdr_size = sizeof(struct batadv_frag_packet); + bool overflow = false; bool ret = false; + size_t data_len; /* Linearize packet to avoid linearizing 16 packets in a row when doing * the later merge. Non-linear merge should be added to remove this @@ -155,6 +158,7 @@ static bool batadv_frag_insert_packet(struct batadv_orig_node *orig_node, goto err; frag_packet = (struct batadv_frag_packet *)skb->data; + data_len = skb->len - hdr_size; seqno = ntohs(frag_packet->seqno); bucket = seqno % BATADV_FRAG_BUFFER_COUNT; @@ -173,7 +177,7 @@ static bool batadv_frag_insert_packet(struct batadv_orig_node *orig_node, spin_lock_bh(&chain->lock); if (batadv_frag_init_chain(chain, seqno)) { hlist_add_head(&frag_entry_new->list, &chain->fragment_list); - chain->size = skb->len - hdr_size; + chain->size = data_len; chain->timestamp = jiffies; chain->total_size = ntohs(frag_packet->total_size); ret = true; @@ -190,7 +194,11 @@ static bool batadv_frag_insert_packet(struct batadv_orig_node *orig_node, if (frag_entry_curr->no < frag_entry_new->no) { hlist_add_before(&frag_entry_new->list, &frag_entry_curr->list); - chain->size += skb->len - hdr_size; + + if (check_add_overflow(chain->size, data_len, + &chain->size)) + overflow = true; + chain->timestamp = jiffies; ret = true; goto out; @@ -203,13 +211,16 @@ static bool batadv_frag_insert_packet(struct batadv_orig_node *orig_node, /* Reached the end of the list, so insert after 'frag_entry_last'. */ if (likely(frag_entry_last)) { hlist_add_behind(&frag_entry_new->list, &frag_entry_last->list); - chain->size += skb->len - hdr_size; + + if (check_add_overflow(chain->size, data_len, &chain->size)) + overflow = true; + chain->timestamp = jiffies; ret = true; } out: - if (chain->size > batadv_frag_size_limit() || + if (overflow || chain->size > batadv_frag_size_limit() || chain->total_size != ntohs(frag_packet->total_size) || chain->total_size > batadv_frag_size_limit()) { /* Clear chain if total size of either the list or the packet @@ -295,6 +306,31 @@ free: return skb_out; } +/** + * batadv_skb_is_frag() - check if newly merged skb is gain a unicast packet + * @skb: newly merged skb + * + * Return: if newly skb is of type BATADV_UNICAST_FRAG + */ +static bool batadv_skb_is_frag(struct sk_buff *skb) +{ + struct batadv_ogm_packet *batadv_ogm_packet; + + /* packet should hold at least type and version */ + if (unlikely(!pskb_may_pull(skb, 2))) + return false; + + batadv_ogm_packet = (struct batadv_ogm_packet *)skb->data; + + if (batadv_ogm_packet->version != BATADV_COMPAT_VERSION) + return false; + + if (batadv_ogm_packet->packet_type != BATADV_UNICAST_FRAG) + return false; + + return true; +} + /** * batadv_frag_skb_buffer() - buffer fragment for later merge * @skb: skb to buffer @@ -328,6 +364,16 @@ bool batadv_frag_skb_buffer(struct sk_buff **skb, if (!skb_out) goto out_err; + /* fragment in fragment is not allowed. otherwise it is possible + * to exhaust the stack when receiving a matryoshka-style + * "fragments in a fragment packet" + */ + if (batadv_skb_is_frag(skb_out)) { + kfree_skb(skb_out); + skb_out = NULL; + goto out_err; + } + out: ret = true; out_err: diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index 62f6f13f89ffda..45b8c484e57515 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -488,10 +488,14 @@ void batadv_gw_node_delete(struct batadv_priv *bat_priv, */ void batadv_gw_node_free(struct batadv_priv *bat_priv) { + struct batadv_gw_node *curr_gw; struct batadv_gw_node *gw_node; struct hlist_node *node_tmp; spin_lock_bh(&bat_priv->gw.list_lock); + curr_gw = rcu_replace_pointer(bat_priv->gw.curr_gw, NULL, true); + batadv_gw_node_put(curr_gw); + hlist_for_each_entry_safe(gw_node, node_tmp, &bat_priv->gw.gateway_list, list) { hlist_del_init_rcu(&gw_node->list); diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index cbebe3aa1f6044..f5ae82cd476dcf 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -866,8 +866,6 @@ static void batadv_orig_node_free_rcu(struct rcu_head *rcu) orig_node = container_of(rcu, struct batadv_orig_node, rcu); - batadv_mcast_purge_orig(orig_node); - batadv_frag_purge_orig(orig_node, NULL); kfree(orig_node->tt_buff); @@ -922,6 +920,8 @@ void batadv_orig_node_release(struct kref *ref) /* Free nc_nodes */ batadv_nc_purge_orig(orig_node->bat_priv, orig_node, NULL); + batadv_mcast_purge_orig(orig_node); + call_rcu(&orig_node->rcu, batadv_orig_node_free_rcu); } diff --git a/net/batman-adv/tp_meter.c b/net/batman-adv/tp_meter.c index 3bbfa8ee6deac5..578da029a7b3d8 100644 --- a/net/batman-adv/tp_meter.c +++ b/net/batman-adv/tp_meter.c @@ -435,7 +435,7 @@ static void batadv_tp_sender_end(struct batadv_priv *bat_priv, static void batadv_tp_sender_shutdown(struct batadv_tp_vars *tp_vars, enum batadv_tp_meter_reason reason) { - if (!atomic_dec_and_test(&tp_vars->sending)) + if (atomic_xchg(&tp_vars->sending, 0) != 1) return; tp_vars->reason = reason; @@ -647,6 +647,9 @@ static void batadv_tp_recv_ack(struct batadv_priv *bat_priv, if (unlikely(!tp_vars)) return; + if (unlikely(tp_vars->role != BATADV_TP_SENDER)) + goto out; + if (unlikely(atomic_read(&tp_vars->sending) == 0)) goto out; @@ -872,7 +875,7 @@ static int batadv_tp_send(void *arg) "Meter: %s() cannot send packets (%d)\n", __func__, err); /* ensure nobody else tries to stop the thread now */ - if (atomic_dec_and_test(&tp_vars->sending)) + if (atomic_xchg(&tp_vars->sending, 0) == 1) tp_vars->reason = err; break; } @@ -952,6 +955,13 @@ void batadv_tp_start(struct batadv_priv *bat_priv, const u8 *dst, /* look for an already existing test towards this node */ spin_lock_bh(&bat_priv->tp_list_lock); + if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE) { + spin_unlock_bh(&bat_priv->tp_list_lock); + batadv_tp_batctl_error_notify(BATADV_TP_REASON_DST_UNREACHABLE, + dst, bat_priv, session_cookie); + return; + } + tp_vars = batadv_tp_list_find(bat_priv, dst); if (tp_vars) { spin_unlock_bh(&bat_priv->tp_list_lock); @@ -1078,12 +1088,16 @@ void batadv_tp_stop(struct batadv_priv *bat_priv, const u8 *dst, if (!tp_vars) { batadv_dbg(BATADV_DBG_TP_METER, bat_priv, "Meter: trying to interrupt an already over connection\n"); - goto out; + goto out_put_orig_node; } + if (unlikely(tp_vars->role != BATADV_TP_SENDER)) + goto out_put_tp_vars; + batadv_tp_sender_shutdown(tp_vars, return_value); +out_put_tp_vars: batadv_tp_vars_put(tp_vars); -out: +out_put_orig_node: batadv_orig_node_put(orig_node); } @@ -1336,9 +1350,12 @@ static struct batadv_tp_vars * batadv_tp_init_recv(struct batadv_priv *bat_priv, const struct batadv_icmp_tp_packet *icmp) { - struct batadv_tp_vars *tp_vars; + struct batadv_tp_vars *tp_vars = NULL; spin_lock_bh(&bat_priv->tp_list_lock); + if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE) + goto out_unlock; + tp_vars = batadv_tp_list_find_session(bat_priv, icmp->orig, icmp->session); if (tp_vars) @@ -1472,6 +1489,9 @@ void batadv_tp_meter_recv(struct batadv_priv *bat_priv, struct sk_buff *skb) { struct batadv_icmp_tp_packet *icmp; + if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE) + goto out; + icmp = (struct batadv_icmp_tp_packet *)skb->data; switch (icmp->subtype) { @@ -1486,6 +1506,8 @@ void batadv_tp_meter_recv(struct batadv_priv *bat_priv, struct sk_buff *skb) "Received unknown TP Metric packet type %u\n", icmp->subtype); } + +out: consume_skb(skb); } diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index cc3334afbdd055..f7e5a8f7570a31 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -304,7 +304,7 @@ struct batadv_frag_table_entry { u16 seqno; /** @size: accumulated size of packets in list */ - u16 size; + size_t size; /** @total_size: expected size of the assembled packet */ u16 total_size; @@ -455,7 +455,7 @@ struct batadv_orig_node { * @tt_buff_len: length of the last tt changeset this node received * from the orig node */ - s16 tt_buff_len; + u16 tt_buff_len; /** @tt_buff_lock: lock that protects tt_buff and tt_buff_len */ spinlock_t tt_buff_lock; @@ -1003,7 +1003,7 @@ struct batadv_priv_tt { * @last_changeset_len: length of last tt changeset this host has * generated */ - s16 last_changeset_len; + u16 last_changeset_len; /** * @last_changeset_lock: lock protecting last_changeset & diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index 0eaa47ae6e993d..9d67352c19d309 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -638,8 +638,8 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock) goto failed; } - up_write(&bnep_session_sem); strcpy(req->device, dev->name); + up_write(&bnep_session_sem); return 0; failed: diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 6310f4f9890ebe..a2995dcb0ffeb0 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -2786,8 +2786,6 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) memcpy(conn->dev_class, ev->dev_class, 3); - hci_dev_unlock(hdev); - if (ev->link_type == ACL_LINK || (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) { struct hci_cp_accept_conn_req cp; @@ -2821,7 +2819,6 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_connect_cfm(conn, 0); } - return; unlock: hci_dev_unlock(hdev); } diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index a6efb5b42f9b34..45e1e8192e3b63 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -6439,7 +6439,13 @@ static inline int l2cap_ecred_reconf_rsp(struct l2cap_conn *conn, if (chan->ident != cmd->ident) continue; + l2cap_chan_hold(chan); + l2cap_chan_lock(chan); + l2cap_chan_del(chan, ECONNRESET); + + l2cap_chan_unlock(chan); + l2cap_chan_put(chan); } return 0; @@ -7686,7 +7692,7 @@ static int l2cap_ecred_data_rcv(struct l2cap_chan *chan, struct sk_buff *skb) if (sdu_len > chan->imtu) { BT_ERR("Too big LE L2CAP SDU length: len %u > %u", - skb->len, sdu_len); + sdu_len, chan->imtu); l2cap_send_disconn_req(chan, ECONNRESET); err = -EMSGSIZE; goto failed; diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 9e071db3b649f9..fb22574278c4a5 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -1455,6 +1455,9 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(struct l2cap_chan *chan) { struct sock *sk, *parent = chan->data; + if (!parent) + return NULL; + lock_sock(parent); /* Check for backlog size */ @@ -1596,6 +1599,9 @@ static void l2cap_sock_state_change_cb(struct l2cap_chan *chan, int state, { struct sock *sk = chan->data; + if (!sk) + return; + sk->sk_state = state; if (err) @@ -1697,6 +1703,9 @@ static long l2cap_sock_get_sndtimeo_cb(struct l2cap_chan *chan) { struct sock *sk = chan->data; + if (!sk) + return 0; + return sk->sk_sndtimeo; } diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c index 027d6ba8c154cc..e97e09a424e5f6 100644 --- a/net/bpf/test_run.c +++ b/net/bpf/test_run.c @@ -611,19 +611,23 @@ int bpf_prog_test_run_skb(struct bpf_prog *prog, const union bpf_attr *kattr, switch (skb->protocol) { case htons(ETH_P_IP): - sk->sk_family = AF_INET; - if (sizeof(struct iphdr) <= skb_headlen(skb)) { - sk->sk_rcv_saddr = ip_hdr(skb)->saddr; - sk->sk_daddr = ip_hdr(skb)->daddr; + if (skb_headlen(skb) < sizeof(struct iphdr)) { + ret = -EINVAL; + goto out; } + sk->sk_family = AF_INET; + sk->sk_rcv_saddr = ip_hdr(skb)->saddr; + sk->sk_daddr = ip_hdr(skb)->daddr; break; #if IS_ENABLED(CONFIG_IPV6) case htons(ETH_P_IPV6): - sk->sk_family = AF_INET6; - if (sizeof(struct ipv6hdr) <= skb_headlen(skb)) { - sk->sk_v6_rcv_saddr = ipv6_hdr(skb)->saddr; - sk->sk_v6_daddr = ipv6_hdr(skb)->daddr; + if (skb_headlen(skb) < sizeof(struct ipv6hdr)) { + ret = -EINVAL; + goto out; } + sk->sk_family = AF_INET6; + sk->sk_v6_rcv_saddr = ipv6_hdr(skb)->saddr; + sk->sk_v6_daddr = ipv6_hdr(skb)->daddr; break; #endif default: diff --git a/net/caif/cfsrvl.c b/net/caif/cfsrvl.c index 9cef9496a70705..9a474d99bae8b7 100644 --- a/net/caif/cfsrvl.c +++ b/net/caif/cfsrvl.c @@ -197,10 +197,20 @@ bool cfsrvl_phyid_match(struct cflayer *layer, int phyid) void caif_free_client(struct cflayer *adap_layer) { + struct cflayer *serv_layer; struct cfsrvl *servl; - if (adap_layer == NULL || adap_layer->dn == NULL) + + if (!adap_layer) + return; + + serv_layer = adap_layer->dn; + if (!serv_layer) return; - servl = container_obj(adap_layer->dn); + + layer_set_dn(adap_layer, NULL); + layer_set_up(serv_layer, NULL); + + servl = container_obj(serv_layer); servl->release(&servl->layer); } EXPORT_SYMBOL(caif_free_client); diff --git a/net/can/raw.c b/net/can/raw.c index 069657f681afab..b2cf2a6fc05835 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -329,6 +329,14 @@ static int raw_notifier(struct notifier_block *nb, unsigned long msg, return NOTIFY_DONE; } +static void raw_sock_destruct(struct sock *sk) +{ + struct raw_sock *ro = raw_sk(sk); + + free_percpu(ro->uniq); + can_sock_destruct(sk); +} + static int raw_init(struct sock *sk) { struct raw_sock *ro = raw_sk(sk); @@ -353,6 +361,8 @@ static int raw_init(struct sock *sk) if (unlikely(!ro->uniq)) return -ENOMEM; + sk->sk_destruct = raw_sock_destruct; + /* set notifier */ spin_lock(&raw_notifier_lock); list_add_tail(&ro->notifier, &raw_notifier_list); @@ -403,7 +413,6 @@ static int raw_release(struct socket *sock) ro->ifindex = 0; ro->bound = 0; ro->count = 0; - free_percpu(ro->uniq); sock_orphan(sk); sock->sk = NULL; diff --git a/net/ceph/crush/crush.c b/net/ceph/crush/crush.c index 254ded0b05f6a1..521aec1d5fc060 100644 --- a/net/ceph/crush/crush.c +++ b/net/ceph/crush/crush.c @@ -47,7 +47,6 @@ int crush_get_bucket_item_weight(const struct crush_bucket *b, int p) void crush_destroy_bucket_uniform(struct crush_bucket_uniform *b) { kfree(b->h.items); - kfree(b); } void crush_destroy_bucket_list(struct crush_bucket_list *b) @@ -55,14 +54,12 @@ void crush_destroy_bucket_list(struct crush_bucket_list *b) kfree(b->item_weights); kfree(b->sum_weights); kfree(b->h.items); - kfree(b); } void crush_destroy_bucket_tree(struct crush_bucket_tree *b) { kfree(b->h.items); kfree(b->node_weights); - kfree(b); } void crush_destroy_bucket_straw(struct crush_bucket_straw *b) @@ -70,14 +67,12 @@ void crush_destroy_bucket_straw(struct crush_bucket_straw *b) kfree(b->straws); kfree(b->item_weights); kfree(b->h.items); - kfree(b); } void crush_destroy_bucket_straw2(struct crush_bucket_straw2 *b) { kfree(b->item_weights); kfree(b->h.items); - kfree(b); } void crush_destroy_bucket(struct crush_bucket *b) @@ -99,6 +94,7 @@ void crush_destroy_bucket(struct crush_bucket *b) crush_destroy_bucket_straw2((struct crush_bucket_straw2 *)b); break; } + kfree(b); } /** diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index f77984b84a2000..033e8cf57b0eaf 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -374,11 +374,15 @@ static int decode_choose_args(void **p, void *end, struct crush_map *c) goto fail; if (arg->ids_size && - arg->ids_size != c->buckets[bucket_index]->size) + (!c->buckets[bucket_index] || + arg->ids_size != c->buckets[bucket_index]->size)) goto e_inval; } - insert_choose_arg_map(&c->choose_args, arg_map); + if (!__insert_choose_arg_map(&c->choose_args, arg_map)) { + ret = -EEXIST; + goto fail; + } } return 0; @@ -501,6 +505,10 @@ static struct crush_map *crush_decode(void *pbyval, void *end) b->id = ceph_decode_32(p); b->type = ceph_decode_16(p); b->alg = ceph_decode_8(p); + if (b->alg != alg) { + b->alg = 0; + goto bad; + } b->hash = ceph_decode_8(p); b->weight = ceph_decode_32(p); b->size = ceph_decode_32(p); @@ -1688,7 +1696,7 @@ static int osdmap_decode(void **p, void *end, struct ceph_osdmap *map) ceph_decode_need(p, end, 3*sizeof(u32) + map->max_osd*(struct_v >= 5 ? sizeof(u32) : sizeof(u8)) + - sizeof(*map->osd_weight), e_inval); + map->max_osd*sizeof(*map->osd_weight), e_inval); if (ceph_decode_32(p) != map->max_osd) goto e_inval; diff --git a/net/core/filter.c b/net/core/filter.c index 7002368d1592ae..b8d891f79b9832 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -489,7 +489,7 @@ static bool convert_bpf_ld_abs(struct sock_filter *fp, struct bpf_insn **insnp) ((unaligned_ok && offset >= 0) || (!unaligned_ok && offset >= 0 && offset + ip_align >= 0 && - offset + ip_align % size == 0))) { + (offset + ip_align) % size == 0))) { bool ldx_off_ok = offset <= S16_MAX; *insn++ = BPF_MOV64_REG(BPF_REG_TMP, BPF_REG_H); diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index cc9c63987dc362..10e9d6e47e0a39 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -891,6 +891,11 @@ bool bpf_flow_dissect(struct bpf_prog *prog, struct bpf_flow_dissector *ctx, return result == BPF_OK; } +static bool is_pppoe_ses_hdr_valid(struct pppoe_hdr hdr) +{ + return hdr.ver == 1 && hdr.type == 1 && hdr.code == 0; +} + /** * __skb_flow_dissect - extract the flow_keys struct and return it * @net: associated network namespace, derived from @skb if NULL @@ -1032,6 +1037,16 @@ bool __skb_flow_dissect(const struct net *net, memcpy(key_eth_addrs, ð->h_dest, sizeof(*key_eth_addrs)); } + if (dissector_uses_key(flow_dissector, + FLOW_DISSECTOR_KEY_NUM_OF_VLANS)) { + struct flow_dissector_key_num_of_vlans *key_num_of_vlans; + + key_num_of_vlans = skb_flow_dissector_target(flow_dissector, + FLOW_DISSECTOR_KEY_NUM_OF_VLANS, + target_container); + key_num_of_vlans->num_of_vlans = 0; + } + proto_again: fdret = FLOW_DISSECT_RET_CONTINUE; @@ -1155,6 +1170,16 @@ proto_again: nhoff += sizeof(*vlan); } + if (dissector_uses_key(flow_dissector, FLOW_DISSECTOR_KEY_NUM_OF_VLANS) && + !(key_control->flags & FLOW_DIS_ENCAPSULATION)) { + struct flow_dissector_key_num_of_vlans *key_nvs; + + key_nvs = skb_flow_dissector_target(flow_dissector, + FLOW_DISSECTOR_KEY_NUM_OF_VLANS, + target_container); + key_nvs->num_of_vlans++; + } + if (dissector_vlan == FLOW_DISSECTOR_KEY_MAX) { dissector_vlan = FLOW_DISSECTOR_KEY_VLAN; } else if (dissector_vlan == FLOW_DISSECTOR_KEY_VLAN) { @@ -1191,27 +1216,57 @@ proto_again: struct pppoe_hdr hdr; __be16 proto; } *hdr, _hdr; + u16 ppp_proto; + hdr = __skb_header_pointer(skb, nhoff, sizeof(_hdr), data, hlen, &_hdr); if (!hdr) { fdret = FLOW_DISSECT_RET_OUT_BAD; break; } - proto = hdr->proto; + if (!is_pppoe_ses_hdr_valid(hdr->hdr)) { + fdret = FLOW_DISSECT_RET_OUT_BAD; + break; + } + + /* PFC (compressed 1-byte protocol) frames are not processed. + * A compressed protocol field has the least significant bit of + * the most significant octet set, which will fail the following + * ppp_proto_is_valid(), returning FLOW_DISSECT_RET_OUT_BAD. + */ + ppp_proto = ntohs(hdr->proto); nhoff += PPPOE_SES_HLEN; - switch (proto) { - case htons(PPP_IP): + + if (ppp_proto == PPP_IP) { proto = htons(ETH_P_IP); fdret = FLOW_DISSECT_RET_PROTO_AGAIN; - break; - case htons(PPP_IPV6): + } else if (ppp_proto == PPP_IPV6) { proto = htons(ETH_P_IPV6); fdret = FLOW_DISSECT_RET_PROTO_AGAIN; - break; - default: + } else if (ppp_proto == PPP_MPLS_UC) { + proto = htons(ETH_P_MPLS_UC); + fdret = FLOW_DISSECT_RET_PROTO_AGAIN; + } else if (ppp_proto == PPP_MPLS_MC) { + proto = htons(ETH_P_MPLS_MC); + fdret = FLOW_DISSECT_RET_PROTO_AGAIN; + } else if (ppp_proto_is_valid(ppp_proto)) { + fdret = FLOW_DISSECT_RET_OUT_GOOD; + } else { fdret = FLOW_DISSECT_RET_OUT_BAD; break; } + + if (dissector_uses_key(flow_dissector, + FLOW_DISSECTOR_KEY_PPPOE)) { + struct flow_dissector_key_pppoe *key_pppoe; + + key_pppoe = skb_flow_dissector_target(flow_dissector, + FLOW_DISSECTOR_KEY_PPPOE, + target_container); + key_pppoe->session_id = hdr->hdr.sid; + key_pppoe->ppp_proto = htons(ppp_proto); + key_pppoe->type = htons(ETH_P_PPP_SES); + } break; } case htons(ETH_P_TIPC): { diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index c58510d7ea0d8a..5603bb4a6cafc2 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1287,6 +1287,7 @@ static noinline_for_stack int rtnl_fill_vfinfo(struct sk_buff *skb, port_guid.vf = ivi.vf; memcpy(vf_mac.mac, ivi.mac, sizeof(ivi.mac)); + memset(&vf_broadcast, 0, sizeof(vf_broadcast)); memcpy(vf_broadcast.broadcast, dev->broadcast, dev->addr_len); vf_vlan.vlan = ivi.vlan; vf_vlan.qos = ivi.qos; diff --git a/net/ethtool/bitset.c b/net/ethtool/bitset.c index f0883357d12e52..4691d6d0f2b754 100644 --- a/net/ethtool/bitset.c +++ b/net/ethtool/bitset.c @@ -91,7 +91,7 @@ static bool ethnl_bitmap32_not_zero(const u32 *map, unsigned int start, u32 mask; if (end <= start) - return true; + return false; if (start % 32) { mask = ethnl_upper_bits(start); @@ -104,11 +104,11 @@ static bool ethnl_bitmap32_not_zero(const u32 *map, unsigned int start, start_word++; } - if (!memchr_inv(map + start_word, '\0', - (end_word - start_word) * sizeof(u32))) + if (memchr_inv(map + start_word, '\0', + (end_word - start_word) * sizeof(u32))) return true; if (end % 32 == 0) - return true; + return false; return map[end_word] & ethnl_lower_bits(end); } diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index 5823e89b8a734b..d5f3b6260da0cf 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -110,13 +110,25 @@ static inline int arp_packet_match(const struct arphdr *arphdr, arpptr += dev->addr_len; memcpy(&src_ipaddr, arpptr, sizeof(u32)); arpptr += sizeof(u32); - tgt_devaddr = arpptr; - arpptr += dev->addr_len; + + if (IS_ENABLED(CONFIG_FIREWIRE_NET) && dev->type == ARPHRD_IEEE1394) { + if (unlikely(memchr_inv(arpinfo->tgt_devaddr.mask, 0, + sizeof(arpinfo->tgt_devaddr.mask)))) + return 0; + + tgt_devaddr = NULL; + } else { + tgt_devaddr = arpptr; + arpptr += dev->addr_len; + } memcpy(&tgt_ipaddr, arpptr, sizeof(u32)); if (NF_INVF(arpinfo, ARPT_INV_SRCDEVADDR, arp_devaddr_compare(&arpinfo->src_devaddr, src_devaddr, - dev->addr_len)) || + dev->addr_len))) + return 0; + + if (tgt_devaddr && NF_INVF(arpinfo, ARPT_INV_TGTDEVADDR, arp_devaddr_compare(&arpinfo->tgt_devaddr, tgt_devaddr, dev->addr_len))) diff --git a/net/ipv4/netfilter/arpt_mangle.c b/net/ipv4/netfilter/arpt_mangle.c index a4e07e5e9c118d..f65dd339208e8a 100644 --- a/net/ipv4/netfilter/arpt_mangle.c +++ b/net/ipv4/netfilter/arpt_mangle.c @@ -40,6 +40,10 @@ target(struct sk_buff *skb, const struct xt_action_param *par) } arpptr += pln; if (mangle->flags & ARPT_MANGLE_TDEV) { + if (unlikely(IS_ENABLED(CONFIG_FIREWIRE_NET) && + skb->dev->type == ARPHRD_IEEE1394)) + return NF_DROP; + if (ARPT_DEV_ADDR_LEN_MAX < hln || (arpptr + hln > skb_tail_pointer(skb))) return NF_DROP; @@ -47,6 +51,10 @@ target(struct sk_buff *skb, const struct xt_action_param *par) } arpptr += hln; if (mangle->flags & ARPT_MANGLE_TIP) { + if (unlikely(IS_ENABLED(CONFIG_FIREWIRE_NET) && + skb->dev->type == ARPHRD_IEEE1394)) + return NF_DROP; + if (ARPT_MANGLE_ADDR_LEN_MAX < pln || (arpptr + pln > skb_tail_pointer(skb))) return NF_DROP; diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c index 75e1c8d3bd8353..74de86e0601d28 100644 --- a/net/ipv4/nexthop.c +++ b/net/ipv4/nexthop.c @@ -1014,7 +1014,9 @@ static int replace_nexthop_single(struct net *net, struct nexthop *old, struct nexthop *new, struct netlink_ext_ack *extack) { + u8 old_protocol, old_nh_flags; struct nh_info *oldi, *newi; + struct nh_grp_entry *nhge; int err; if (new->is_group) { @@ -1044,18 +1046,29 @@ static int replace_nexthop_single(struct net *net, struct nexthop *old, newi->nh_parent = old; oldi->nh_parent = new; + old_protocol = old->protocol; + old_nh_flags = old->nh_flags; + old->protocol = new->protocol; old->nh_flags = new->nh_flags; rcu_assign_pointer(old->nh_info, newi); rcu_assign_pointer(new->nh_info, oldi); - /* When replacing an IPv4 nexthop with an IPv6 nexthop, potentially + /* Send a replace notification for all the groups using the nexthop. */ + list_for_each_entry(nhge, &old->grp_list, nh_list) { + struct nexthop *nhp = nhge->nh_parent; + + err = call_nexthop_notifiers(net, NEXTHOP_EVENT_REPLACE, nhp, + extack); + if (err) + goto err_notify; + } + + /* When replacing a nexthop with one of a different family, potentially * update IPv4 indication in all the groups using the nexthop. */ - if (oldi->family == AF_INET && newi->family == AF_INET6) { - struct nh_grp_entry *nhge; - + if (oldi->family != newi->family) { list_for_each_entry(nhge, &old->grp_list, nh_list) { struct nexthop *nhp = nhge->nh_parent; struct nh_group *nhg; @@ -1066,6 +1079,21 @@ static int replace_nexthop_single(struct net *net, struct nexthop *old, } return 0; + +err_notify: + rcu_assign_pointer(new->nh_info, newi); + rcu_assign_pointer(old->nh_info, oldi); + old->nh_flags = old_nh_flags; + old->protocol = old_protocol; + oldi->nh_parent = old; + newi->nh_parent = new; + list_for_each_entry_continue_reverse(nhge, &old->grp_list, nh_list) { + struct nexthop *nhp = nhge->nh_parent; + + call_nexthop_notifiers(net, NEXTHOP_EVENT_REPLACE, nhp, extack); + } + call_nexthop_notifiers(net, NEXTHOP_EVENT_REPLACE, old, extack); + return err; } static void __nexthop_replace_notify(struct net *net, struct nexthop *nh, diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index 5a8d5ebe6590f2..2d14d9aabc0b3b 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -407,7 +407,7 @@ static int raw_send_hdrinc(struct sock *sk, struct flowi4 *fl4, * in, reject the frame as invalid */ err = -EINVAL; - if (iphlen > length) + if (iphlen > length || iphlen < sizeof(*iph)) goto error_free; if (iphlen >= sizeof(*iph)) { diff --git a/net/ipv4/route.c b/net/ipv4/route.c index f260253fed8d3f..cee8580cbbe089 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2827,54 +2827,6 @@ struct rtable *ip_route_output_flow(struct net *net, struct flowi4 *flp4, } EXPORT_SYMBOL_GPL(ip_route_output_flow); -struct rtable *ip_route_output_tunnel(struct sk_buff *skb, - struct net_device *dev, - struct net *net, __be32 *saddr, - const struct ip_tunnel_info *info, - u8 protocol, bool use_cache) -{ -#ifdef CONFIG_DST_CACHE - struct dst_cache *dst_cache; -#endif - struct rtable *rt = NULL; - struct flowi4 fl4; - __u8 tos; - -#ifdef CONFIG_DST_CACHE - dst_cache = (struct dst_cache *)&info->dst_cache; - if (use_cache) { - rt = dst_cache_get_ip4(dst_cache, saddr); - if (rt) - return rt; - } -#endif - memset(&fl4, 0, sizeof(fl4)); - fl4.flowi4_mark = skb->mark; - fl4.flowi4_proto = protocol; - fl4.daddr = info->key.u.ipv4.dst; - fl4.saddr = info->key.u.ipv4.src; - tos = info->key.tos; - fl4.flowi4_tos = RT_TOS(tos); - - rt = ip_route_output_key(net, &fl4); - if (IS_ERR(rt)) { - netdev_dbg(dev, "no route to %pI4\n", &fl4.daddr); - return ERR_PTR(-ENETUNREACH); - } - if (rt->dst.dev == dev) { /* is this necessary? */ - netdev_dbg(dev, "circular route to %pI4\n", &fl4.daddr); - ip_rt_put(rt); - return ERR_PTR(-ELOOP); - } -#ifdef CONFIG_DST_CACHE - if (use_cache) - dst_cache_set_ip4(dst_cache, &rt->dst, fl4.saddr); -#endif - *saddr = fl4.saddr; - return rt; -} -EXPORT_SYMBOL_GPL(ip_route_output_tunnel); - /* called with rcu_read_lock held */ static int rt_fill_info(struct net *net, __be32 dst, __be32 src, struct rtable *rt, u32 table_id, struct flowi4 *fl4, diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 5998e2b6f5ec7d..b5752cdefb4dba 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -3729,7 +3729,8 @@ struct sk_buff *tcp_get_timestamping_opt_stats(const struct sock *sk, nla_put_u32(stats, TCP_NLA_SRTT, tp->srtt_us >> 3); nla_put_u16(stats, TCP_NLA_TIMEOUT_REHASH, tp->timeout_rehash); nla_put_u32(stats, TCP_NLA_BYTES_NOTSENT, - max_t(int, 0, tp->write_seq - tp->snd_nxt)); + max_t(int, 0, + READ_ONCE(tp->write_seq) - READ_ONCE(tp->snd_nxt))); nla_put_u64_64bit(stats, TCP_NLA_EDT, orig_skb->skb_mstamp_ns, TCP_NLA_PAD); diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c index bcd5fc484f7779..76cd974887774d 100644 --- a/net/ipv4/tcp_bpf.c +++ b/net/ipv4/tcp_bpf.c @@ -277,6 +277,9 @@ static int tcp_bpf_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, if (unlikely(flags & MSG_ERRQUEUE)) return inet_recv_error(sk, msg, len, addr_len); + if (!len) + return 0; + psock = sk_psock_get(sk); if (unlikely(!psock)) return tcp_recvmsg(sk, msg, len, nonblock, flags, addr_len); diff --git a/net/ipv4/udp_tunnel_core.c b/net/ipv4/udp_tunnel_core.c index d70f683d3c4959..4b6f44c481abfb 100644 --- a/net/ipv4/udp_tunnel_core.c +++ b/net/ipv4/udp_tunnel_core.c @@ -222,4 +222,52 @@ struct metadata_dst *udp_tun_rx_dst(struct sk_buff *skb, unsigned short family, } EXPORT_SYMBOL_GPL(udp_tun_rx_dst); +struct rtable *udp_tunnel_dst_lookup(struct sk_buff *skb, + struct net_device *dev, + struct net *net, int oif, + __be32 *saddr, + const struct ip_tunnel_key *key, + __be16 sport, __be16 dport, u8 tos, + struct dst_cache *dst_cache) +{ + struct rtable *rt = NULL; + struct flowi4 fl4; + +#ifdef CONFIG_DST_CACHE + if (dst_cache) { + rt = dst_cache_get_ip4(dst_cache, saddr); + if (rt) + return rt; + } +#endif + + memset(&fl4, 0, sizeof(fl4)); + fl4.flowi4_mark = skb->mark; + fl4.flowi4_proto = IPPROTO_UDP; + fl4.flowi4_oif = oif; + fl4.daddr = key->u.ipv4.dst; + fl4.saddr = key->u.ipv4.src; + fl4.fl4_dport = dport; + fl4.fl4_sport = sport; + fl4.flowi4_tos = RT_TOS(tos); + + rt = ip_route_output_key(net, &fl4); + if (IS_ERR(rt)) { + netdev_dbg(dev, "no route to %pI4\n", &fl4.daddr); + return ERR_PTR(-ENETUNREACH); + } + if (rt->dst.dev == dev) { /* is this necessary? */ + netdev_dbg(dev, "circular route to %pI4\n", &fl4.daddr); + ip_rt_put(rt); + return ERR_PTR(-ELOOP); + } +#ifdef CONFIG_DST_CACHE + if (dst_cache) + dst_cache_set_ip4(dst_cache, &rt->dst, fl4.saddr); +#endif + *saddr = fl4.saddr; + return rt; +} +EXPORT_SYMBOL_GPL(udp_tunnel_dst_lookup); + MODULE_LICENSE("GPL"); diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index cdad9019c77c46..924f3d7901f09c 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -361,6 +361,10 @@ static int ipv6_srh_rcv(struct sk_buff *skb) hdr = (struct ipv6_sr_hdr *)skb_transport_header(skb); idev = __in6_dev_get(skb->dev); + if (!idev) { + kfree_skb(skb); + return -1; + } accept_seg6 = net->ipv6.devconf_all->seg6_enabled; if (accept_seg6 > idev->cnf.seg6_enabled) @@ -476,6 +480,7 @@ static int ipv6_rpl_srh_rcv(struct sk_buff *skb) struct inet6_dev *idev; struct ipv6hdr *oldhdr; struct in6_addr addr; + unsigned int chdr_len; unsigned char *buf; int accept_rpl_seg; int i, err; @@ -597,8 +602,10 @@ looped_back: skb_pull(skb, ((hdr->hdrlen + 1) << 3)); skb_postpull_rcsum(skb, oldhdr, sizeof(struct ipv6hdr) + ((hdr->hdrlen + 1) << 3)); - if (unlikely(!hdr->segments_left)) { - if (pskb_expand_head(skb, sizeof(struct ipv6hdr) + ((chdr->hdrlen + 1) << 3), 0, + chdr_len = sizeof(struct ipv6hdr) + ((chdr->hdrlen + 1) << 3); + if (unlikely(!hdr->segments_left || + skb_headroom(skb) < chdr_len + skb->mac_len)) { + if (pskb_expand_head(skb, chdr_len + skb->mac_len, 0, GFP_ATOMIC)) { __IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_OUTDISCARDS); kfree_skb(skb); @@ -608,7 +615,7 @@ looped_back: oldhdr = ipv6_hdr(skb); } - skb_push(skb, ((chdr->hdrlen + 1) << 3) + sizeof(struct ipv6hdr)); + skb_push(skb, chdr_len); skb_reset_network_header(skb); skb_mac_header_rebuild(skb); skb_set_transport_header(skb, sizeof(struct ipv6hdr)); diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 65846f44518947..35e99974aa882a 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -867,7 +867,6 @@ static int icmpv6_rcv(struct sk_buff *skb) struct net *net = dev_net(skb->dev); struct net_device *dev = icmp6_dev(skb); struct inet6_dev *idev = __in6_dev_get(dev); - const struct in6_addr *saddr, *daddr; struct icmp6hdr *hdr; u8 type; bool success = false; @@ -894,12 +893,10 @@ static int icmpv6_rcv(struct sk_buff *skb) __ICMP6_INC_STATS(dev_net(dev), idev, ICMP6_MIB_INMSGS); - saddr = &ipv6_hdr(skb)->saddr; - daddr = &ipv6_hdr(skb)->daddr; - if (skb_checksum_validate(skb, IPPROTO_ICMPV6, ip6_compute_pseudo)) { net_dbg_ratelimited("ICMPv6 checksum failed [%pI6c > %pI6c]\n", - saddr, daddr); + &ipv6_hdr(skb)->saddr, + &ipv6_hdr(skb)->daddr); goto csum_error; } @@ -972,7 +969,8 @@ static int icmpv6_rcv(struct sk_buff *skb) break; net_dbg_ratelimited("icmpv6: msg of unknown type [%pI6c > %pI6c]\n", - saddr, daddr); + &ipv6_hdr(skb)->saddr, + &ipv6_hdr(skb)->daddr); /* * error of unknown type. diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 1a5b4b176e188f..01dbd0f51f12d0 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -2300,10 +2300,11 @@ static int ip6erspan_changelink(struct net_device *dev, struct nlattr *tb[], struct nlattr *data[], struct netlink_ext_ack *extack) { - struct ip6gre_net *ign = net_generic(dev_net(dev), ip6gre_net_id); + struct ip6_tnl *t = netdev_priv(dev); struct __ip6_tnl_parm p; - struct ip6_tnl *t; + struct ip6gre_net *ign; + ign = net_generic(t->net, ip6gre_net_id); t = ip6gre_changelink_common(dev, tb, data, &p, extack); if (IS_ERR(t)) return PTR_ERR(t); diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 99ee18b3a953e3..764c003f982496 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1262,74 +1262,6 @@ struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6, } EXPORT_SYMBOL_GPL(ip6_sk_dst_lookup_flow); -/** - * ip6_dst_lookup_tunnel - perform route lookup on tunnel - * @skb: Packet for which lookup is done - * @dev: Tunnel device - * @net: Network namespace of tunnel device - * @sock: Socket which provides route info - * @saddr: Memory to store the src ip address - * @info: Tunnel information - * @protocol: IP protocol - * @use_cache: Flag to enable cache usage - * This function performs a route lookup on a tunnel - * - * It returns a valid dst pointer and stores src address to be used in - * tunnel in param saddr on success, else a pointer encoded error code. - */ - -struct dst_entry *ip6_dst_lookup_tunnel(struct sk_buff *skb, - struct net_device *dev, - struct net *net, - struct socket *sock, - struct in6_addr *saddr, - const struct ip_tunnel_info *info, - u8 protocol, - bool use_cache) -{ - struct dst_entry *dst = NULL; -#ifdef CONFIG_DST_CACHE - struct dst_cache *dst_cache; -#endif - struct flowi6 fl6; - __u8 prio; - -#ifdef CONFIG_DST_CACHE - dst_cache = (struct dst_cache *)&info->dst_cache; - if (use_cache) { - dst = dst_cache_get_ip6(dst_cache, saddr); - if (dst) - return dst; - } -#endif - memset(&fl6, 0, sizeof(fl6)); - fl6.flowi6_mark = skb->mark; - fl6.flowi6_proto = protocol; - fl6.daddr = info->key.u.ipv6.dst; - fl6.saddr = info->key.u.ipv6.src; - prio = info->key.tos; - fl6.flowlabel = ip6_make_flowinfo(prio, info->key.label); - - dst = ipv6_stub->ipv6_dst_lookup_flow(net, sock->sk, &fl6, - NULL); - if (IS_ERR(dst)) { - netdev_dbg(dev, "no route to %pI6\n", &fl6.daddr); - return ERR_PTR(-ENETUNREACH); - } - if (dst->dev == dev) { /* is this necessary? */ - netdev_dbg(dev, "circular route to %pI6\n", &fl6.daddr); - dst_release(dst); - return ERR_PTR(-ELOOP); - } -#ifdef CONFIG_DST_CACHE - if (use_cache) - dst_cache_set_ip6(dst_cache, dst, &fl6.saddr); -#endif - *saddr = fl6.saddr; - return dst; -} -EXPORT_SYMBOL_GPL(ip6_dst_lookup_tunnel); - static inline struct ipv6_opt_hdr *ip6_opt_dup(struct ipv6_opt_hdr *src, gfp_t gfp) { diff --git a/net/ipv6/ip6_udp_tunnel.c b/net/ipv6/ip6_udp_tunnel.c index cdc4d4ee242066..7aef559e60ec53 100644 --- a/net/ipv6/ip6_udp_tunnel.c +++ b/net/ipv6/ip6_udp_tunnel.c @@ -1,3 +1,4 @@ + // SPDX-License-Identifier: GPL-2.0-only #include #include @@ -111,4 +112,72 @@ int udp_tunnel6_xmit_skb(struct dst_entry *dst, struct sock *sk, } EXPORT_SYMBOL_GPL(udp_tunnel6_xmit_skb); +/** + * udp_tunnel6_dst_lookup - perform route lookup on UDP tunnel + * @skb: Packet for which lookup is done + * @dev: Tunnel device + * @net: Network namespace of tunnel device + * @sock: Socket which provides route info + * @saddr: Memory to store the src ip address + * @info: Tunnel information + * @protocol: IP protocol + * @use_cache: Flag to enable cache usage + * This function performs a route lookup on a UDP tunnel + * + * It returns a valid dst pointer and stores src address to be used in + * tunnel in param saddr on success, else a pointer encoded error code. + */ + +struct dst_entry *udp_tunnel6_dst_lookup(struct sk_buff *skb, + struct net_device *dev, + struct net *net, + struct socket *sock, + struct in6_addr *saddr, + const struct ip_tunnel_info *info, + u8 protocol, + bool use_cache) +{ + struct dst_entry *dst = NULL; +#ifdef CONFIG_DST_CACHE + struct dst_cache *dst_cache; +#endif + struct flowi6 fl6; + __u8 prio; + +#ifdef CONFIG_DST_CACHE + dst_cache = (struct dst_cache *)&info->dst_cache; + if (use_cache) { + dst = dst_cache_get_ip6(dst_cache, saddr); + if (dst) + return dst; + } +#endif + memset(&fl6, 0, sizeof(fl6)); + fl6.flowi6_mark = skb->mark; + fl6.flowi6_proto = protocol; + fl6.daddr = info->key.u.ipv6.dst; + fl6.saddr = info->key.u.ipv6.src; + prio = info->key.tos; + fl6.flowlabel = ip6_make_flowinfo(prio, info->key.label); + + dst = ipv6_stub->ipv6_dst_lookup_flow(net, sock->sk, &fl6, + NULL); + if (IS_ERR(dst)) { + netdev_dbg(dev, "no route to %pI6\n", &fl6.daddr); + return ERR_PTR(-ENETUNREACH); + } + if (dst->dev == dev) { /* is this necessary? */ + netdev_dbg(dev, "circular route to %pI6\n", &fl6.daddr); + dst_release(dst); + return ERR_PTR(-ELOOP); + } +#ifdef CONFIG_DST_CACHE + if (use_cache) + dst_cache_set_ip6(dst_cache, dst, &fl6.saddr); +#endif + *saddr = fl6.saddr; + return dst; +} +EXPORT_SYMBOL_GPL(udp_tunnel6_dst_lookup); + MODULE_LICENSE("GPL"); diff --git a/net/ipv6/netfilter/ip6t_eui64.c b/net/ipv6/netfilter/ip6t_eui64.c index d704f7ed300c24..da69a27e8332c1 100644 --- a/net/ipv6/netfilter/ip6t_eui64.c +++ b/net/ipv6/netfilter/ip6t_eui64.c @@ -22,8 +22,7 @@ eui64_mt6(const struct sk_buff *skb, struct xt_action_param *par) unsigned char eui64[8]; if (!(skb_mac_header(skb) >= skb->head && - skb_mac_header(skb) + ETH_HLEN <= skb->data) && - par->fragoff != 0) { + skb_mac_header(skb) + ETH_HLEN <= skb->data)) { par->hotdrop = true; return false; } diff --git a/net/ipv6/netfilter/ip6t_hbh.c b/net/ipv6/netfilter/ip6t_hbh.c index e7a3fb9355ee34..450dd53846a2f7 100644 --- a/net/ipv6/netfilter/ip6t_hbh.c +++ b/net/ipv6/netfilter/ip6t_hbh.c @@ -168,6 +168,10 @@ static int hbh_mt6_check(const struct xt_mtchk_param *par) pr_debug("unknown flags %X\n", optsinfo->invflags); return -EINVAL; } + if (optsinfo->optsnr > IP6T_OPTS_OPTSNR) { + pr_debug("too many supported opts specified\n"); + return -EINVAL; + } if (optsinfo->flags & IP6T_OPTS_NSTRICT) { pr_debug("Not strict - not implemented"); diff --git a/net/ipv6/seg6_hmac.c b/net/ipv6/seg6_hmac.c index f82fcd8908e149..b52985c867c29e 100644 --- a/net/ipv6/seg6_hmac.c +++ b/net/ipv6/seg6_hmac.c @@ -245,6 +245,8 @@ bool seg6_hmac_validate_skb(struct sk_buff *skb) struct inet6_dev *idev; idev = __in6_dev_get(skb->dev); + if (!idev) + return false; srh = (struct ipv6_sr_hdr *)skb_transport_header(skb); diff --git a/net/ipv6/xfrm6_protocol.c b/net/ipv6/xfrm6_protocol.c index ea2f805d3b014c..9b586fcec4850b 100644 --- a/net/ipv6/xfrm6_protocol.c +++ b/net/ipv6/xfrm6_protocol.c @@ -88,8 +88,10 @@ int xfrm6_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi, dst = ip6_route_input_lookup(dev_net(skb->dev), skb->dev, &fl6, skb, flags); - if (dst->error) + if (dst->error) { + dst_release(dst); goto drop; + } skb_dst_set(skb, dst); } diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 83615f5968dd54..b03de90e3d4187 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -1083,6 +1083,11 @@ static int l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb, uns uh->source = inet->inet_sport; uh->dest = inet->inet_dport; udp_len = uhlen + session->hdr_len + data_len; + if (udp_len > U16_MAX) { + kfree_skb(skb); + ret = NET_XMIT_DROP; + goto out_unlock; + } uh->len = htons(udp_len); /* Calculate UDP checksum if configured to do so */ diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 30ad46cfcad86b..b923cd755a68c6 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1869,8 +1869,10 @@ bool ieee80211_tx_prepare_skb(struct ieee80211_hw *hw, struct ieee80211_tx_data tx; struct sk_buff *skb2; - if (ieee80211_tx_prepare(sdata, &tx, NULL, skb) == TX_DROP) + if (ieee80211_tx_prepare(sdata, &tx, NULL, skb) == TX_DROP) { + kfree_skb(skb); return false; + } info->band = band; info->control.vif = vif; diff --git a/net/netfilter/ipset/ip_set_hash_ipmark.c b/net/netfilter/ipset/ip_set_hash_ipmark.c index cbb05cb188f224..22531a1adc3d46 100644 --- a/net/netfilter/ipset/ip_set_hash_ipmark.c +++ b/net/netfilter/ipset/ip_set_hash_ipmark.c @@ -149,7 +149,7 @@ hash_ipmark4_uadt(struct ip_set *set, struct nlattr *tb[], if (retried) ip = ntohl(h->next.ip); - for (; ip <= ip_to; ip++, i++) { + for (; ip <= ip_to; i++) { e.ip = htonl(ip); if (i > IPSET_MAX_RANGE) { hash_ipmark4_data_next(&h->next, &e); @@ -161,6 +161,10 @@ hash_ipmark4_uadt(struct ip_set *set, struct nlattr *tb[], return ret; ret = 0; + + if (ip == ip_to) + break; + ip++; } return ret; } diff --git a/net/netfilter/ipset/ip_set_hash_ipport.c b/net/netfilter/ipset/ip_set_hash_ipport.c index c560f7873ecaf5..6eb0c97bdc75df 100644 --- a/net/netfilter/ipset/ip_set_hash_ipport.c +++ b/net/netfilter/ipset/ip_set_hash_ipport.c @@ -174,7 +174,7 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[], if (retried) ip = ntohl(h->next.ip); - for (; ip <= ip_to; ip++) { + for (; ip <= ip_to;) { p = retried && ip == ntohl(h->next.ip) ? ntohs(h->next.port) : port; for (; p <= port_to; p++, i++) { @@ -191,6 +191,9 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[], ret = 0; } + if (ip == ip_to) + break; + ip++; } return ret; } diff --git a/net/netfilter/ipset/ip_set_hash_ipportip.c b/net/netfilter/ipset/ip_set_hash_ipportip.c index b7eb8d1e77d9cd..e6b3f77cc686c8 100644 --- a/net/netfilter/ipset/ip_set_hash_ipportip.c +++ b/net/netfilter/ipset/ip_set_hash_ipportip.c @@ -181,7 +181,7 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[], if (retried) ip = ntohl(h->next.ip); - for (; ip <= ip_to; ip++) { + for (; ip <= ip_to;) { p = retried && ip == ntohl(h->next.ip) ? ntohs(h->next.port) : port; for (; p <= port_to; p++, i++) { @@ -198,6 +198,9 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[], ret = 0; } + if (ip == ip_to) + break; + ip++; } return ret; } diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c index 16c5641ced53cf..504fb9cf8618df 100644 --- a/net/netfilter/ipset/ip_set_hash_ipportnet.c +++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c @@ -273,7 +273,7 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[], p = port; ip2 = ip2_from; } - for (; ip <= ip_to; ip++) { + for (; ip <= ip_to;) { e.ip = htonl(ip); for (; p <= port_to; p++) { e.port = htons(p); @@ -297,6 +297,9 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[], ip2 = ip2_from; } p = port; + if (ip == ip_to) + break; + ip++; } return ret; } diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c index f82834349ca2c6..9e199f00eea73c 100644 --- a/net/netfilter/ipvs/ip_vs_xmit.c +++ b/net/netfilter/ipvs/ip_vs_xmit.c @@ -103,6 +103,18 @@ __ip_vs_dst_check(struct ip_vs_dest *dest) return dest_dst; } +/* Based on ip_exceeds_mtu(). */ +static bool ip_vs_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu) +{ + if (skb->len <= mtu) + return false; + + if (skb_is_gso(skb) && skb_gso_validate_network_len(skb, mtu)) + return false; + + return true; +} + static inline bool __mtu_check_toobig_v6(const struct sk_buff *skb, u32 mtu) { @@ -112,10 +124,9 @@ __mtu_check_toobig_v6(const struct sk_buff *skb, u32 mtu) */ if (IP6CB(skb)->frag_max_size > mtu) return true; /* largest fragment violate MTU */ - } - else if (skb->len > mtu && !skb_is_gso(skb)) { + } else if (ip_vs_exceeds_mtu(skb, mtu)) return true; /* Packet size violate MTU size */ - } + return false; } @@ -240,7 +251,7 @@ static inline bool ensure_mtu_is_adequate(struct netns_ipvs *ipvs, int skb_af, return true; if (unlikely(ip_hdr(skb)->frag_off & htons(IP_DF) && - skb->len > mtu && !skb_is_gso(skb) && + ip_vs_exceeds_mtu(skb, mtu) && !ip_vs_iph_icmp(ipvsh))) { icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu)); diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index befc9d2bc0b520..46bdc380811640 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -3474,7 +3474,7 @@ ctnetlink_change_expect(struct nf_conntrack_expect *x, #if IS_ENABLED(CONFIG_NF_NAT) static const struct nla_policy exp_nat_nla_policy[CTA_EXPECT_NAT_MAX+1] = { - [CTA_EXPECT_NAT_DIR] = { .type = NLA_U32 }, + [CTA_EXPECT_NAT_DIR] = NLA_POLICY_MAX(NLA_BE32, IP_CT_DIR_REPLY), [CTA_EXPECT_NAT_TUPLE] = { .type = NLA_NESTED }, }; #endif diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c index 6b2a215b278624..4a376c9a6c73cb 100644 --- a/net/netfilter/nf_conntrack_proto_sctp.c +++ b/net/netfilter/nf_conntrack_proto_sctp.c @@ -484,9 +484,13 @@ int nf_conntrack_sctp_packet(struct nf_conn *ct, if (!ih) goto out_unlock; - if (ct->proto.sctp.init[dir] && ct->proto.sctp.init[!dir]) - ct->proto.sctp.init[!dir] = 0; - ct->proto.sctp.init[dir] = 1; + /* Do not record INIT matching peer vtag (stale or retransmitted INIT). */ + if (old_state == SCTP_CONNTRACK_NONE || + ct->proto.sctp.vtag[!dir] != ih->init_tag) { + if (ct->proto.sctp.init[dir] && ct->proto.sctp.init[!dir]) + ct->proto.sctp.init[!dir] = 0; + ct->proto.sctp.init[dir] = 1; + } pr_debug("Setting vtag %x for dir %d\n", ih->init_tag, !dir); ct->proto.sctp.vtag[!dir] = ih->init_tag; @@ -595,7 +599,8 @@ nla_put_failure: } static const struct nla_policy sctp_nla_policy[CTA_PROTOINFO_SCTP_MAX+1] = { - [CTA_PROTOINFO_SCTP_STATE] = { .type = NLA_U8 }, + [CTA_PROTOINFO_SCTP_STATE] = NLA_POLICY_MAX(NLA_U8, + SCTP_CONNTRACK_HEARTBEAT_SENT), [CTA_PROTOINFO_SCTP_VTAG_ORIGINAL] = { .type = NLA_U32 }, [CTA_PROTOINFO_SCTP_VTAG_REPLY] = { .type = NLA_U32 }, }; diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c index dcb0a5e592775f..4326d5ea0400d2 100644 --- a/net/netfilter/nf_conntrack_sip.c +++ b/net/netfilter/nf_conntrack_sip.c @@ -181,6 +181,57 @@ static int sip_parse_addr(const struct nf_conn *ct, const char *cp, return 1; } +/* Parse optional port number after IP address. + * Returns false on malformed input, true otherwise. + * If port is non-NULL, stores parsed port in network byte order. + * If no port is present, sets *port to default SIP port. + */ +static bool sip_parse_port(const char *dptr, const char **endp, + const char *limit, __be16 *port) +{ + unsigned int p = 0; + int len = 0; + + if (dptr >= limit) + return false; + + if (*dptr != ':') { + if (port) + *port = htons(SIP_PORT); + if (endp) + *endp = dptr; + return true; + } + + dptr++; /* skip ':' */ + + while (dptr < limit && isdigit(*dptr)) { + p = p * 10 + (*dptr - '0'); + dptr++; + len++; + if (len > 5) /* max "65535" */ + return false; + } + + if (len == 0) + return false; + + /* reached limit while parsing port */ + if (dptr >= limit) + return false; + + if (p < 1024 || p > 65535) + return false; + + if (port) + *port = htons(p); + + if (endp) + *endp = dptr; + + return true; +} + /* skip ip address. returns its length. */ static int epaddr_len(const struct nf_conn *ct, const char *dptr, const char *limit, int *shift) @@ -193,11 +244,8 @@ static int epaddr_len(const struct nf_conn *ct, const char *dptr, return 0; } - /* Port number */ - if (*dptr == ':') { - dptr++; - dptr += digits_len(ct, dptr, limit, shift); - } + if (!sip_parse_port(dptr, &dptr, limit, NULL)) + return 0; return dptr - aux; } @@ -228,6 +276,51 @@ static int skp_epaddr_len(const struct nf_conn *ct, const char *dptr, return epaddr_len(ct, dptr, limit, shift); } +/* simple_strtoul stops after first non-number character. + * But as we're not dealing with c-strings, we can't rely on + * hitting \r,\n,\0 etc. before moving past end of buffer. + * + * This is a variant of simple_strtoul, but doesn't require + * a c-string. + * + * If value exceeds UINT_MAX, 0 is returned. + */ +static unsigned int sip_strtouint(const char *cp, unsigned int len, char **endp) +{ + const unsigned int max = sizeof("4294967295"); + unsigned int olen = len; + const char *s = cp; + u64 result = 0; + + if (len > max) + len = max; + + while (olen > 0 && isdigit(*s)) { + unsigned int value; + + if (len == 0) + goto err; + + value = *s - '0'; + result = result * 10 + value; + + if (result > UINT_MAX) + goto err; + s++; + len--; + olen--; + } + + if (endp) + *endp = (char *)s; + + return result; +err: + if (endp) + *endp = (char *)cp; + return 0; +} + /* Parse a SIP request line of the form: * * Request-Line = Method SP Request-URI SP SIP-Version CRLF @@ -241,7 +334,6 @@ int ct_sip_parse_request(const struct nf_conn *ct, { const char *start = dptr, *limit = dptr + datalen, *end; unsigned int mlen; - unsigned int p; int shift = 0; /* Skip method and following whitespace */ @@ -267,14 +359,8 @@ int ct_sip_parse_request(const struct nf_conn *ct, if (!sip_parse_addr(ct, dptr, &end, addr, limit, true)) return -1; - if (end < limit && *end == ':') { - end++; - p = simple_strtoul(end, (char **)&end, 10); - if (p < 1024 || p > 65535) - return -1; - *port = htons(p); - } else - *port = htons(SIP_PORT); + if (!sip_parse_port(end, &end, limit, port)) + return -1; if (end == dptr) return 0; @@ -509,7 +595,6 @@ int ct_sip_parse_header_uri(const struct nf_conn *ct, const char *dptr, union nf_inet_addr *addr, __be16 *port) { const char *c, *limit = dptr + datalen; - unsigned int p; int ret; ret = ct_sip_walk_headers(ct, dptr, dataoff ? *dataoff : 0, datalen, @@ -520,14 +605,8 @@ int ct_sip_parse_header_uri(const struct nf_conn *ct, const char *dptr, if (!sip_parse_addr(ct, dptr + *matchoff, &c, addr, limit, true)) return -1; - if (*c == ':') { - c++; - p = simple_strtoul(c, (char **)&c, 10); - if (p < 1024 || p > 65535) - return -1; - *port = htons(p); - } else - *port = htons(SIP_PORT); + if (!sip_parse_port(c, &c, limit, port)) + return -1; if (dataoff) *dataoff = c - dptr; @@ -609,7 +688,7 @@ int ct_sip_parse_numerical_param(const struct nf_conn *ct, const char *dptr, return 0; start += strlen(name); - *val = simple_strtoul(start, &end, 0); + *val = sip_strtouint(start, limit - start, (char **)&end); if (start == end) return -1; if (matchoff && matchlen) { @@ -1065,6 +1144,8 @@ static int process_sdp(struct sk_buff *skb, unsigned int protoff, mediaoff = sdpoff; for (i = 0; i < ARRAY_SIZE(sdp_media_types); ) { + char *end; + if (ct_sip_get_sdp_header(ct, *dptr, mediaoff, *datalen, SDP_HDR_MEDIA, SDP_HDR_UNSPEC, &mediaoff, &medialen) <= 0) @@ -1080,8 +1161,8 @@ static int process_sdp(struct sk_buff *skb, unsigned int protoff, mediaoff += t->len; medialen -= t->len; - port = simple_strtoul(*dptr + mediaoff, NULL, 10); - if (port == 0) + port = sip_strtouint(*dptr + mediaoff, *datalen - mediaoff, (char **)&end); + if (port == 0 || *dptr + mediaoff == end) continue; if (port < 1024 || port > 65535) { nf_ct_helper_log(skb, ct, "wrong port %u", port); @@ -1254,7 +1335,7 @@ static int process_register_request(struct sk_buff *skb, unsigned int protoff, */ if (ct_sip_get_header(ct, *dptr, 0, *datalen, SIP_HDR_EXPIRES, &matchoff, &matchlen) > 0) - expires = simple_strtoul(*dptr + matchoff, NULL, 10); + expires = sip_strtouint(*dptr + matchoff, *datalen - matchoff, NULL); ret = ct_sip_parse_header_uri(ct, *dptr, NULL, *datalen, SIP_HDR_CONTACT, NULL, @@ -1354,7 +1435,7 @@ static int process_register_response(struct sk_buff *skb, unsigned int protoff, if (ct_sip_get_header(ct, *dptr, 0, *datalen, SIP_HDR_EXPIRES, &matchoff, &matchlen) > 0) - expires = simple_strtoul(*dptr + matchoff, NULL, 10); + expires = sip_strtouint(*dptr + matchoff, *datalen - matchoff, NULL); while (1) { unsigned int c_expires = expires; @@ -1414,10 +1495,12 @@ static int process_sip_response(struct sk_buff *skb, unsigned int protoff, struct nf_conn *ct = nf_ct_get(skb, &ctinfo); unsigned int matchoff, matchlen, matchend; unsigned int code, cseq, i; + char *end; if (*datalen < strlen("SIP/2.0 200")) return NF_ACCEPT; - code = simple_strtoul(*dptr + strlen("SIP/2.0 "), NULL, 10); + code = sip_strtouint(*dptr + strlen("SIP/2.0 "), + *datalen - strlen("SIP/2.0 "), NULL); if (!code) { nf_ct_helper_log(skb, ct, "cannot get code"); return NF_DROP; @@ -1428,8 +1511,8 @@ static int process_sip_response(struct sk_buff *skb, unsigned int protoff, nf_ct_helper_log(skb, ct, "cannot parse cseq"); return NF_DROP; } - cseq = simple_strtoul(*dptr + matchoff, NULL, 10); - if (!cseq && *(*dptr + matchoff) != '0') { + cseq = sip_strtouint(*dptr + matchoff, *datalen - matchoff, (char **)&end); + if (*dptr + matchoff == end) { nf_ct_helper_log(skb, ct, "cannot get cseq"); return NF_DROP; } @@ -1478,6 +1561,7 @@ static int process_sip_request(struct sk_buff *skb, unsigned int protoff, for (i = 0; i < ARRAY_SIZE(sip_handlers); i++) { const struct sip_handler *handler; + char *end; handler = &sip_handlers[i]; if (handler->request == NULL) @@ -1494,8 +1578,8 @@ static int process_sip_request(struct sk_buff *skb, unsigned int protoff, nf_ct_helper_log(skb, ct, "cannot parse cseq"); return NF_DROP; } - cseq = simple_strtoul(*dptr + matchoff, NULL, 10); - if (!cseq && *(*dptr + matchoff) != '0') { + cseq = sip_strtouint(*dptr + matchoff, *datalen - matchoff, (char **)&end); + if (*dptr + matchoff == end) { nf_ct_helper_log(skb, ct, "cannot get cseq"); return NF_DROP; } @@ -1571,7 +1655,7 @@ static int sip_help_tcp(struct sk_buff *skb, unsigned int protoff, &matchoff, &matchlen) <= 0) break; - clen = simple_strtoul(dptr + matchoff, (char **)&end, 10); + clen = sip_strtouint(dptr + matchoff, datalen - matchoff, (char **)&end); if (dptr + matchoff == end) break; diff --git a/net/netfilter/nf_nat_amanda.c b/net/netfilter/nf_nat_amanda.c index 3bc7e0854efe4d..41c30065dae129 100644 --- a/net/netfilter/nf_nat_amanda.c +++ b/net/netfilter/nf_nat_amanda.c @@ -62,7 +62,7 @@ static unsigned int help(struct sk_buff *skb, return NF_DROP; } - sprintf(buffer, "%u", port); + snprintf(buffer, sizeof(buffer), "%u", port); if (!nf_nat_mangle_udp_packet(skb, exp->master, ctinfo, protoff, matchoff, matchlen, buffer, strlen(buffer))) { diff --git a/net/netfilter/nf_nat_sip.c b/net/netfilter/nf_nat_sip.c index f0a735e868518f..390ff2d3c6bce0 100644 --- a/net/netfilter/nf_nat_sip.c +++ b/net/netfilter/nf_nat_sip.c @@ -68,25 +68,27 @@ static unsigned int mangle_packet(struct sk_buff *skb, unsigned int protoff, } static int sip_sprintf_addr(const struct nf_conn *ct, char *buffer, + size_t size, const union nf_inet_addr *addr, bool delim) { if (nf_ct_l3num(ct) == NFPROTO_IPV4) - return sprintf(buffer, "%pI4", &addr->ip); + return scnprintf(buffer, size, "%pI4", &addr->ip); else { if (delim) - return sprintf(buffer, "[%pI6c]", &addr->ip6); + return scnprintf(buffer, size, "[%pI6c]", &addr->ip6); else - return sprintf(buffer, "%pI6c", &addr->ip6); + return scnprintf(buffer, size, "%pI6c", &addr->ip6); } } static int sip_sprintf_addr_port(const struct nf_conn *ct, char *buffer, + size_t size, const union nf_inet_addr *addr, u16 port) { if (nf_ct_l3num(ct) == NFPROTO_IPV4) - return sprintf(buffer, "%pI4:%u", &addr->ip, port); + return scnprintf(buffer, size, "%pI4:%u", &addr->ip, port); else - return sprintf(buffer, "[%pI6c]:%u", &addr->ip6, port); + return scnprintf(buffer, size, "[%pI6c]:%u", &addr->ip6, port); } static int map_addr(struct sk_buff *skb, unsigned int protoff, @@ -119,7 +121,7 @@ static int map_addr(struct sk_buff *skb, unsigned int protoff, if (nf_inet_addr_cmp(&newaddr, addr) && newport == port) return 1; - buflen = sip_sprintf_addr_port(ct, buffer, &newaddr, ntohs(newport)); + buflen = sip_sprintf_addr_port(ct, buffer, sizeof(buffer), &newaddr, ntohs(newport)); return mangle_packet(skb, protoff, dataoff, dptr, datalen, matchoff, matchlen, buffer, buflen); } @@ -212,7 +214,7 @@ static unsigned int nf_nat_sip(struct sk_buff *skb, unsigned int protoff, &addr, true) > 0 && nf_inet_addr_cmp(&addr, &ct->tuplehash[dir].tuple.src.u3) && !nf_inet_addr_cmp(&addr, &ct->tuplehash[!dir].tuple.dst.u3)) { - buflen = sip_sprintf_addr(ct, buffer, + buflen = sip_sprintf_addr(ct, buffer, sizeof(buffer), &ct->tuplehash[!dir].tuple.dst.u3, true); if (!mangle_packet(skb, protoff, dataoff, dptr, datalen, @@ -229,7 +231,7 @@ static unsigned int nf_nat_sip(struct sk_buff *skb, unsigned int protoff, &addr, false) > 0 && nf_inet_addr_cmp(&addr, &ct->tuplehash[dir].tuple.dst.u3) && !nf_inet_addr_cmp(&addr, &ct->tuplehash[!dir].tuple.src.u3)) { - buflen = sip_sprintf_addr(ct, buffer, + buflen = sip_sprintf_addr(ct, buffer, sizeof(buffer), &ct->tuplehash[!dir].tuple.src.u3, false); if (!mangle_packet(skb, protoff, dataoff, dptr, datalen, @@ -244,10 +246,11 @@ static unsigned int nf_nat_sip(struct sk_buff *skb, unsigned int protoff, if (ct_sip_parse_numerical_param(ct, *dptr, matchend, *datalen, "rport=", &poff, &plen, &n) > 0 && + n >= 1024 && n <= 65535 && htons(n) == ct->tuplehash[dir].tuple.dst.u.udp.port && htons(n) != ct->tuplehash[!dir].tuple.src.u.udp.port) { __be16 p = ct->tuplehash[!dir].tuple.src.u.udp.port; - buflen = sprintf(buffer, "%u", ntohs(p)); + buflen = scnprintf(buffer, sizeof(buffer), "%u", ntohs(p)); if (!mangle_packet(skb, protoff, dataoff, dptr, datalen, poff, plen, buffer, buflen)) { nf_ct_helper_log(skb, ct, "cannot mangle rport"); @@ -430,7 +433,8 @@ static unsigned int nf_nat_sip_expect(struct sk_buff *skb, unsigned int protoff, if (!nf_inet_addr_cmp(&exp->tuple.dst.u3, &exp->saved_addr) || exp->tuple.dst.u.udp.port != exp->saved_proto.udp.port) { - buflen = sip_sprintf_addr_port(ct, buffer, &newaddr, port); + buflen = sip_sprintf_addr_port(ct, buffer, sizeof(buffer), + &newaddr, port); if (!mangle_packet(skb, protoff, dataoff, dptr, datalen, matchoff, matchlen, buffer, buflen)) { nf_ct_helper_log(skb, ct, "cannot mangle packet"); @@ -450,8 +454,8 @@ static int mangle_content_len(struct sk_buff *skb, unsigned int protoff, { enum ip_conntrack_info ctinfo; struct nf_conn *ct = nf_ct_get(skb, &ctinfo); + char buffer[sizeof("4294967295")]; unsigned int matchoff, matchlen; - char buffer[sizeof("65536")]; int buflen, c_len; /* Get actual SDP length */ @@ -466,7 +470,7 @@ static int mangle_content_len(struct sk_buff *skb, unsigned int protoff, &matchoff, &matchlen) <= 0) return 0; - buflen = sprintf(buffer, "%u", c_len); + buflen = scnprintf(buffer, sizeof(buffer), "%u", c_len); return mangle_packet(skb, protoff, dataoff, dptr, datalen, matchoff, matchlen, buffer, buflen); } @@ -503,7 +507,7 @@ static unsigned int nf_nat_sdp_addr(struct sk_buff *skb, unsigned int protoff, char buffer[INET6_ADDRSTRLEN]; unsigned int buflen; - buflen = sip_sprintf_addr(ct, buffer, addr, false); + buflen = sip_sprintf_addr(ct, buffer, sizeof(buffer), addr, false); if (mangle_sdp_packet(skb, protoff, dataoff, dptr, datalen, sdpoff, type, term, buffer, buflen)) return 0; @@ -521,7 +525,7 @@ static unsigned int nf_nat_sdp_port(struct sk_buff *skb, unsigned int protoff, char buffer[sizeof("nnnnn")]; unsigned int buflen; - buflen = sprintf(buffer, "%u", port); + buflen = scnprintf(buffer, sizeof(buffer), "%u", port); if (!mangle_packet(skb, protoff, dataoff, dptr, datalen, matchoff, matchlen, buffer, buflen)) return 0; @@ -541,7 +545,7 @@ static unsigned int nf_nat_sdp_session(struct sk_buff *skb, unsigned int protoff unsigned int buflen; /* Mangle session description owner and contact addresses */ - buflen = sip_sprintf_addr(ct, buffer, addr, false); + buflen = sip_sprintf_addr(ct, buffer, sizeof(buffer), addr, false); if (mangle_sdp_packet(skb, protoff, dataoff, dptr, datalen, sdpoff, SDP_HDR_OWNER, SDP_HDR_MEDIA, buffer, buflen)) return 0; diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index d41560d4812d0f..8c967bd772ec35 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -346,10 +346,10 @@ static void __nfulnl_send(struct nfulnl_instance *inst) { if (inst->qlen > 1) { - struct nlmsghdr *nlh = nlmsg_put(inst->skb, 0, 0, - NLMSG_DONE, - sizeof(struct nfgenmsg), - 0); + struct nlmsghdr *nlh = nfnl_msg_put(inst->skb, 0, 0, + NLMSG_DONE, 0, + AF_UNSPEC, NFNETLINK_V0, + htons(inst->group_num)); if (WARN_ONCE(!nlh, "bad nlskb size: %u, tailroom %d\n", inst->skb->len, skb_tailroom(inst->skb))) { kfree_skb(inst->skb); diff --git a/net/netfilter/nfnetlink_osf.c b/net/netfilter/nfnetlink_osf.c index a2d7bfb4c1a690..eee87713420dc8 100644 --- a/net/netfilter/nfnetlink_osf.c +++ b/net/netfilter/nfnetlink_osf.c @@ -31,26 +31,18 @@ EXPORT_SYMBOL_GPL(nf_osf_fingers); static inline int nf_osf_ttl(const struct sk_buff *skb, int ttl_check, unsigned char f_ttl) { - struct in_device *in_dev = __in_dev_get_rcu(skb->dev); const struct iphdr *ip = ip_hdr(skb); - const struct in_ifaddr *ifa; - int ret = 0; - if (ttl_check == NF_OSF_TTL_TRUE) + switch (ttl_check) { + case NF_OSF_TTL_TRUE: return ip->ttl == f_ttl; - if (ttl_check == NF_OSF_TTL_NOCHECK) - return 1; - else if (ip->ttl <= f_ttl) + break; + case NF_OSF_TTL_NOCHECK: return 1; - - in_dev_for_each_ifa_rcu(ifa, in_dev) { - if (inet_ifa_match(ip->saddr, ifa)) { - ret = (ip->ttl == f_ttl); - break; - } + case NF_OSF_TTL_LESS: + default: + return ip->ttl <= f_ttl; } - - return ret; } struct nf_osf_hdr_ctx { @@ -64,9 +56,9 @@ struct nf_osf_hdr_ctx { static bool nf_osf_match_one(const struct sk_buff *skb, const struct nf_osf_user_finger *f, int ttl_check, - struct nf_osf_hdr_ctx *ctx) + const struct nf_osf_hdr_ctx *ctx) { - const __u8 *optpinit = ctx->optp; + const __u8 *optp = ctx->optp; unsigned int check_WSS = 0; int fmatch = FMATCH_WRONG; int foptsize, optnum; @@ -95,17 +87,17 @@ static bool nf_osf_match_one(const struct sk_buff *skb, check_WSS = f->wss.wc; for (optnum = 0; optnum < f->opt_num; ++optnum) { - if (f->opt[optnum].kind == *ctx->optp) { + if (f->opt[optnum].kind == *optp) { __u32 len = f->opt[optnum].length; - const __u8 *optend = ctx->optp + len; + const __u8 *optend = optp + len; fmatch = FMATCH_OK; - switch (*ctx->optp) { + switch (*optp) { case OSFOPT_MSS: - mss = ctx->optp[3]; + mss = optp[3]; mss <<= 8; - mss |= ctx->optp[2]; + mss |= optp[2]; mss = ntohs((__force __be16)mss); break; @@ -113,7 +105,7 @@ static bool nf_osf_match_one(const struct sk_buff *skb, break; } - ctx->optp = optend; + optp = optend; } else fmatch = FMATCH_OPT_WRONG; @@ -156,9 +148,6 @@ static bool nf_osf_match_one(const struct sk_buff *skb, } } - if (fmatch != FMATCH_OK) - ctx->optp = optpinit; - return fmatch == FMATCH_OK; } @@ -321,6 +310,10 @@ static int nfnl_osf_add_callback(struct net *net, struct sock *ctnl, if (f->opt_num > ARRAY_SIZE(f->opt)) return -EINVAL; + if (f->wss.wc >= OSF_WSS_MAX || + (f->wss.wc == OSF_WSS_MODULO && f->wss.val == 0)) + return -EINVAL; + for (i = 0; i < f->opt_num; i++) { if (!f->opt[i].length || f->opt[i].length > MAX_IPOPTLEN) return -EINVAL; diff --git a/net/netfilter/nft_bitwise.c b/net/netfilter/nft_bitwise.c index d6ab7aa14adc21..47129b8220e58e 100644 --- a/net/netfilter/nft_bitwise.c +++ b/net/netfilter/nft_bitwise.c @@ -149,7 +149,8 @@ static int nft_bitwise_init_shift(struct nft_bitwise *priv, if (err < 0) return err; - if (priv->data.data[0] >= BITS_PER_TYPE(u32)) { + if (!priv->data.data[0] || + priv->data.data[0] >= BITS_PER_TYPE(u32)) { nft_data_release(&priv->data, desc.type); return -EINVAL; } diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c index 241d99b061d8cb..5e4ea0f800d28e 100644 --- a/net/netfilter/nft_ct.c +++ b/net/netfilter/nft_ct.c @@ -1296,6 +1296,8 @@ static void nft_ct_expect_obj_eval(struct nft_object *obj, if (nf_ct_expect_related(exp, 0) != 0) regs->verdict.code = NF_DROP; + + nf_ct_expect_put(exp); } static const struct nla_policy nft_ct_expect_policy[NFTA_CT_EXPECT_MAX + 1] = { diff --git a/net/netfilter/nft_fwd_netdev.c b/net/netfilter/nft_fwd_netdev.c index 7730409f6f0911..09aff403884b55 100644 --- a/net/netfilter/nft_fwd_netdev.c +++ b/net/netfilter/nft_fwd_netdev.c @@ -113,6 +113,11 @@ static void nft_fwd_neigh_eval(const struct nft_expr *expr, goto out; } iph = ip_hdr(skb); + if (iph->ttl <= 1) { + verdict = NF_DROP; + goto out; + } + ip_decrease_ttl(iph); neigh_table = NEIGH_ARP_TABLE; break; @@ -129,6 +134,11 @@ static void nft_fwd_neigh_eval(const struct nft_expr *expr, goto out; } ip6h = ipv6_hdr(skb); + if (ip6h->hop_limit <= 1) { + verdict = NF_DROP; + goto out; + } + ip6h->hop_limit--; neigh_table = NEIGH_ND_TABLE; break; diff --git a/net/netfilter/nft_osf.c b/net/netfilter/nft_osf.c index 720dc9fba6d4fc..81207c172bbfdb 100644 --- a/net/netfilter/nft_osf.c +++ b/net/netfilter/nft_osf.c @@ -28,6 +28,11 @@ static void nft_osf_eval(const struct nft_expr *expr, struct nft_regs *regs, struct nf_osf_data data; struct tcphdr _tcph; + if (nft_pf(pkt) != NFPROTO_IPV4) { + regs->verdict.code = NFT_BREAK; + return; + } + if (pkt->tprot != IPPROTO_TCP) { regs->verdict.code = NFT_BREAK; return; @@ -119,7 +124,6 @@ static int nft_osf_validate(const struct nft_ctx *ctx, switch (ctx->family) { case NFPROTO_IPV4: - case NFPROTO_IPV6: case NFPROTO_INET: hooks = (1 << NF_INET_LOCAL_IN) | (1 << NF_INET_PRE_ROUTING) | diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c index baabbfe62a27f7..39623bb726a5ec 100644 --- a/net/netfilter/nft_set_pipapo.c +++ b/net/netfilter/nft_set_pipapo.c @@ -524,6 +524,9 @@ static struct nft_pipapo_elem *pipapo_get(const struct net *net, struct nft_pipapo_field *f; int i; + if (m->bsize_max == 0) + return ret; + res_map = kmalloc_array(m->bsize_max, sizeof(*res_map), GFP_ATOMIC); if (!res_map) { ret = ERR_PTR(-ENOMEM); @@ -1363,14 +1366,20 @@ static struct nft_pipapo_match *pipapo_clone(struct nft_pipapo_match *old) src->bsize * sizeof(*dst->lt) * src->groups * NFT_PIPAPO_BUCKETS(src->bb)); - if (src->rules > (INT_MAX / sizeof(*src->mt))) - goto out_mt; + if (src->rules > 0) { + if (src->rules > (INT_MAX / sizeof(*src->mt))) + goto out_mt; + + dst->mt = kvmalloc_array(src->rules, sizeof(*src->mt), + GFP_KERNEL); + if (!dst->mt) + goto out_mt; - dst->mt = kvmalloc(src->rules * sizeof(*src->mt), GFP_KERNEL); - if (!dst->mt) - goto out_mt; + memcpy(dst->mt, src->mt, src->rules * sizeof(*src->mt)); + } else { + dst->mt = NULL; + } - memcpy(dst->mt, src->mt, src->rules * sizeof(*src->mt)); src++; dst++; } diff --git a/net/netfilter/nft_set_pipapo_avx2.c b/net/netfilter/nft_set_pipapo_avx2.c index 7da371587f9a80..3f01952a3e10be 100644 --- a/net/netfilter/nft_set_pipapo_avx2.c +++ b/net/netfilter/nft_set_pipapo_avx2.c @@ -242,7 +242,7 @@ static int nft_pipapo_avx2_lookup_4b_2(unsigned long *map, unsigned long *fill, b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last); if (last) - return b; + ret = b; if (unlikely(ret == -1)) ret = b / XSAVE_YMM_SIZE; @@ -318,7 +318,7 @@ static int nft_pipapo_avx2_lookup_4b_4(unsigned long *map, unsigned long *fill, b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last); if (last) - return b; + ret = b; if (unlikely(ret == -1)) ret = b / XSAVE_YMM_SIZE; @@ -412,7 +412,7 @@ static int nft_pipapo_avx2_lookup_4b_8(unsigned long *map, unsigned long *fill, b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last); if (last) - return b; + ret = b; if (unlikely(ret == -1)) ret = b / XSAVE_YMM_SIZE; @@ -502,7 +502,7 @@ static int nft_pipapo_avx2_lookup_4b_12(unsigned long *map, unsigned long *fill, b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last); if (last) - return b; + ret = b; if (unlikely(ret == -1)) ret = b / XSAVE_YMM_SIZE; @@ -637,7 +637,7 @@ static int nft_pipapo_avx2_lookup_4b_32(unsigned long *map, unsigned long *fill, b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last); if (last) - return b; + ret = b; if (unlikely(ret == -1)) ret = b / XSAVE_YMM_SIZE; @@ -694,7 +694,7 @@ static int nft_pipapo_avx2_lookup_8b_1(unsigned long *map, unsigned long *fill, b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last); if (last) - return b; + ret = b; if (unlikely(ret == -1)) ret = b / XSAVE_YMM_SIZE; @@ -758,7 +758,7 @@ static int nft_pipapo_avx2_lookup_8b_2(unsigned long *map, unsigned long *fill, b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last); if (last) - return b; + ret = b; if (unlikely(ret == -1)) ret = b / XSAVE_YMM_SIZE; @@ -832,7 +832,7 @@ static int nft_pipapo_avx2_lookup_8b_4(unsigned long *map, unsigned long *fill, b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last); if (last) - return b; + ret = b; if (unlikely(ret == -1)) ret = b / XSAVE_YMM_SIZE; @@ -917,7 +917,7 @@ static int nft_pipapo_avx2_lookup_8b_6(unsigned long *map, unsigned long *fill, b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last); if (last) - return b; + ret = b; if (unlikely(ret == -1)) ret = b / XSAVE_YMM_SIZE; @@ -1010,7 +1010,7 @@ static int nft_pipapo_avx2_lookup_8b_16(unsigned long *map, unsigned long *fill, b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last); if (last) - return b; + ret = b; if (unlikely(ret == -1)) ret = b / XSAVE_YMM_SIZE; diff --git a/net/netfilter/xt_mac.c b/net/netfilter/xt_mac.c index 81649da57ba5d3..bd2354760895d2 100644 --- a/net/netfilter/xt_mac.c +++ b/net/netfilter/xt_mac.c @@ -38,25 +38,37 @@ static bool mac_mt(const struct sk_buff *skb, struct xt_action_param *par) return ret; } -static struct xt_match mac_mt_reg __read_mostly = { - .name = "mac", - .revision = 0, - .family = NFPROTO_UNSPEC, - .match = mac_mt, - .matchsize = sizeof(struct xt_mac_info), - .hooks = (1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_LOCAL_IN) | - (1 << NF_INET_FORWARD), - .me = THIS_MODULE, +static struct xt_match mac_mt_reg[] __read_mostly = { + { + .name = "mac", + .family = NFPROTO_IPV4, + .match = mac_mt, + .matchsize = sizeof(struct xt_mac_info), + .hooks = (1 << NF_INET_PRE_ROUTING) | + (1 << NF_INET_LOCAL_IN) | + (1 << NF_INET_FORWARD), + .me = THIS_MODULE, + }, + { + .name = "mac", + .family = NFPROTO_IPV6, + .match = mac_mt, + .matchsize = sizeof(struct xt_mac_info), + .hooks = (1 << NF_INET_PRE_ROUTING) | + (1 << NF_INET_LOCAL_IN) | + (1 << NF_INET_FORWARD), + .me = THIS_MODULE, + }, }; static int __init mac_mt_init(void) { - return xt_register_match(&mac_mt_reg); + return xt_register_matches(mac_mt_reg, ARRAY_SIZE(mac_mt_reg)); } static void __exit mac_mt_exit(void) { - xt_unregister_match(&mac_mt_reg); + xt_unregister_matches(mac_mt_reg, ARRAY_SIZE(mac_mt_reg)); } module_init(mac_mt_init); diff --git a/net/netfilter/xt_multiport.c b/net/netfilter/xt_multiport.c index 44a00f5acde8ae..a1691ff405d3c4 100644 --- a/net/netfilter/xt_multiport.c +++ b/net/netfilter/xt_multiport.c @@ -105,6 +105,28 @@ multiport_mt(const struct sk_buff *skb, struct xt_action_param *par) return ports_match_v1(multiinfo, ntohs(pptr[0]), ntohs(pptr[1])); } +static bool +multiport_valid_ranges(const struct xt_multiport_v1 *multiinfo) +{ + unsigned int i; + + for (i = 0; i < multiinfo->count; i++) { + if (!multiinfo->pflags[i]) + continue; + + if (++i >= multiinfo->count) + return false; + + if (multiinfo->pflags[i]) + return false; + + if (multiinfo->ports[i - 1] > multiinfo->ports[i]) + return false; + } + + return true; +} + static inline bool check(u_int16_t proto, u_int8_t ip_invflags, @@ -127,8 +149,10 @@ static int multiport_mt_check(const struct xt_mtchk_param *par) const struct ipt_ip *ip = par->entryinfo; const struct xt_multiport_v1 *multiinfo = par->matchinfo; - return check(ip->proto, ip->invflags, multiinfo->flags, - multiinfo->count) ? 0 : -EINVAL; + if (!check(ip->proto, ip->invflags, multiinfo->flags, multiinfo->count)) + return -EINVAL; + + return multiport_valid_ranges(multiinfo) ? 0 : -EINVAL; } static int multiport_mt6_check(const struct xt_mtchk_param *par) @@ -136,8 +160,10 @@ static int multiport_mt6_check(const struct xt_mtchk_param *par) const struct ip6t_ip6 *ip = par->entryinfo; const struct xt_multiport_v1 *multiinfo = par->matchinfo; - return check(ip->proto, ip->invflags, multiinfo->flags, - multiinfo->count) ? 0 : -EINVAL; + if (!check(ip->proto, ip->invflags, multiinfo->flags, multiinfo->count)) + return -EINVAL; + + return multiport_valid_ranges(multiinfo) ? 0 : -EINVAL; } static struct xt_match multiport_mt_reg[] __read_mostly = { diff --git a/net/netfilter/xt_owner.c b/net/netfilter/xt_owner.c index 50332888c8d233..7be2fe22b067e8 100644 --- a/net/netfilter/xt_owner.c +++ b/net/netfilter/xt_owner.c @@ -127,26 +127,39 @@ owner_mt(const struct sk_buff *skb, struct xt_action_param *par) return true; } -static struct xt_match owner_mt_reg __read_mostly = { - .name = "owner", - .revision = 1, - .family = NFPROTO_UNSPEC, - .checkentry = owner_check, - .match = owner_mt, - .matchsize = sizeof(struct xt_owner_match_info), - .hooks = (1 << NF_INET_LOCAL_OUT) | - (1 << NF_INET_POST_ROUTING), - .me = THIS_MODULE, +static struct xt_match owner_mt_reg[] __read_mostly = { + { + .name = "owner", + .revision = 1, + .family = NFPROTO_IPV4, + .checkentry = owner_check, + .match = owner_mt, + .matchsize = sizeof(struct xt_owner_match_info), + .hooks = (1 << NF_INET_LOCAL_OUT) | + (1 << NF_INET_POST_ROUTING), + .me = THIS_MODULE, + }, + { + .name = "owner", + .revision = 1, + .family = NFPROTO_IPV6, + .checkentry = owner_check, + .match = owner_mt, + .matchsize = sizeof(struct xt_owner_match_info), + .hooks = (1 << NF_INET_LOCAL_OUT) | + (1 << NF_INET_POST_ROUTING), + .me = THIS_MODULE, + } }; static int __init owner_mt_init(void) { - return xt_register_match(&owner_mt_reg); + return xt_register_matches(owner_mt_reg, ARRAY_SIZE(owner_mt_reg)); } static void __exit owner_mt_exit(void) { - xt_unregister_match(&owner_mt_reg); + xt_unregister_matches(owner_mt_reg, ARRAY_SIZE(owner_mt_reg)); } module_init(owner_mt_init); diff --git a/net/netfilter/xt_physdev.c b/net/netfilter/xt_physdev.c index ec6ed6fda96c59..6a596878d611f7 100644 --- a/net/netfilter/xt_physdev.c +++ b/net/netfilter/xt_physdev.c @@ -115,24 +115,33 @@ static int physdev_mt_check(const struct xt_mtchk_param *par) return 0; } -static struct xt_match physdev_mt_reg __read_mostly = { - .name = "physdev", - .revision = 0, - .family = NFPROTO_UNSPEC, - .checkentry = physdev_mt_check, - .match = physdev_mt, - .matchsize = sizeof(struct xt_physdev_info), - .me = THIS_MODULE, +static struct xt_match physdev_mt_reg[] __read_mostly = { + { + .name = "physdev", + .family = NFPROTO_IPV4, + .checkentry = physdev_mt_check, + .match = physdev_mt, + .matchsize = sizeof(struct xt_physdev_info), + .me = THIS_MODULE, + }, + { + .name = "physdev", + .family = NFPROTO_IPV6, + .checkentry = physdev_mt_check, + .match = physdev_mt, + .matchsize = sizeof(struct xt_physdev_info), + .me = THIS_MODULE, + }, }; static int __init physdev_mt_init(void) { - return xt_register_match(&physdev_mt_reg); + return xt_register_matches(physdev_mt_reg, ARRAY_SIZE(physdev_mt_reg)); } static void __exit physdev_mt_exit(void) { - xt_unregister_match(&physdev_mt_reg); + xt_unregister_matches(physdev_mt_reg, ARRAY_SIZE(physdev_mt_reg)); } module_init(physdev_mt_init); diff --git a/net/netfilter/xt_policy.c b/net/netfilter/xt_policy.c index cb6e8279010a4b..b5fa65558318f5 100644 --- a/net/netfilter/xt_policy.c +++ b/net/netfilter/xt_policy.c @@ -63,7 +63,7 @@ match_policy_in(const struct sk_buff *skb, const struct xt_policy_info *info, return 0; for (i = sp->len - 1; i >= 0; i--) { - pos = strict ? i - sp->len + 1 : 0; + pos = strict ? sp->len - i - 1 : 0; if (pos >= info->len) return 0; e = &info->pol[pos]; diff --git a/net/netfilter/xt_realm.c b/net/netfilter/xt_realm.c index 6df485f4403d02..61b2f1e58d1505 100644 --- a/net/netfilter/xt_realm.c +++ b/net/netfilter/xt_realm.c @@ -33,7 +33,7 @@ static struct xt_match realm_mt_reg __read_mostly = { .matchsize = sizeof(struct xt_realm_info), .hooks = (1 << NF_INET_POST_ROUTING) | (1 << NF_INET_FORWARD) | (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_LOCAL_IN), - .family = NFPROTO_UNSPEC, + .family = NFPROTO_IPV4, .me = THIS_MODULE }; diff --git a/net/nfc/digital_technology.c b/net/nfc/digital_technology.c index 3adf4589852aff..e29dd10f280ed7 100644 --- a/net/nfc/digital_technology.c +++ b/net/nfc/digital_technology.c @@ -424,6 +424,12 @@ static void digital_in_recv_sdd_res(struct nfc_digital_dev *ddev, void *arg, size = 4; } + if (target->nfcid1_len + size > NFC_NFCID1_MAXSIZE) { + PROTOCOL_ERR("4.7.2.1"); + rc = -EPROTO; + goto exit; + } + memcpy(target->nfcid1 + target->nfcid1_len, sdd_res->nfcid1 + offset, size); target->nfcid1_len += size; diff --git a/net/nfc/llcp_core.c b/net/nfc/llcp_core.c index 504245aeb4e2a8..e04634f22b49f4 100644 --- a/net/nfc/llcp_core.c +++ b/net/nfc/llcp_core.c @@ -1098,6 +1098,7 @@ static void nfc_llcp_recv_hdlc(struct nfc_llcp_local *local, if (sk->sk_state == LLCP_CLOSED) { release_sock(sk); nfc_llcp_sock_put(llcp_sock); + return; } /* Pass the payload upstream */ @@ -1189,6 +1190,7 @@ static void nfc_llcp_recv_disc(struct nfc_llcp_local *local, if (sk->sk_state == LLCP_CLOSED) { release_sock(sk); nfc_llcp_sock_put(llcp_sock); + return; } if (sk->sk_state == LLCP_CONNECTED) { diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index b493931433e993..1c69aa986633af 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -2032,9 +2032,40 @@ error: return err; } +static size_t ovs_vport_cmd_msg_size(void) +{ + size_t msgsize = NLMSG_ALIGN(sizeof(struct ovs_header)); + + msgsize += nla_total_size(sizeof(u32)); /* OVS_VPORT_ATTR_PORT_NO */ + msgsize += nla_total_size(sizeof(u32)); /* OVS_VPORT_ATTR_TYPE */ + msgsize += nla_total_size(IFNAMSIZ); /* OVS_VPORT_ATTR_NAME */ + msgsize += nla_total_size(sizeof(u32)); /* OVS_VPORT_ATTR_IFINDEX */ + msgsize += nla_total_size(sizeof(s32)); /* OVS_VPORT_ATTR_NETNSID */ + + /* OVS_VPORT_ATTR_STATS */ + msgsize += nla_total_size_64bit(sizeof(struct ovs_vport_stats)); + + /* OVS_VPORT_ATTR_UPCALL_STATS(OVS_VPORT_UPCALL_ATTR_SUCCESS + + * OVS_VPORT_UPCALL_ATTR_FAIL) + */ + msgsize += nla_total_size(nla_total_size_64bit(sizeof(u64)) + + nla_total_size_64bit(sizeof(u64))); + + /* OVS_VPORT_ATTR_UPCALL_PID */ + msgsize += nla_total_size(nr_cpu_ids * sizeof(u32)); + + /* OVS_VPORT_ATTR_OPTIONS(OVS_TUNNEL_ATTR_DST_PORT + + * OVS_TUNNEL_ATTR_EXTENSION(OVS_VXLAN_EXT_GBP)) + */ + msgsize += nla_total_size(nla_total_size(sizeof(u16)) + + nla_total_size(nla_total_size(0))); + + return msgsize; +} + static struct sk_buff *ovs_vport_cmd_alloc_info(void) { - return nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + return genlmsg_new(ovs_vport_cmd_msg_size(), GFP_KERNEL); } /* Called with ovs_mutex, only via ovs_dp_notify_wq(). */ @@ -2044,7 +2075,7 @@ struct sk_buff *ovs_vport_cmd_build_info(struct vport *vport, struct net *net, struct sk_buff *skb; int retval; - skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + skb = ovs_vport_cmd_alloc_info(); if (!skb) return ERR_PTR(-ENOMEM); diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c index 1c05d4bef33132..da733b92ae8a76 100644 --- a/net/openvswitch/vport.c +++ b/net/openvswitch/vport.c @@ -340,6 +340,9 @@ int ovs_vport_set_upcall_portids(struct vport *vport, const struct nlattr *ids) if (!nla_len(ids) || nla_len(ids) % sizeof(u32)) return -EINVAL; + if (nla_len(ids) / sizeof(u32) > nr_cpu_ids) + return -EINVAL; + old = ovsl_dereference(vport->upcall_portids); vport_portids = kmalloc(sizeof(*vport_portids) + nla_len(ids), diff --git a/net/phonet/pep.c b/net/phonet/pep.c index 87066e3d488701..612caf1fe37ae1 100644 --- a/net/phonet/pep.c +++ b/net/phonet/pep.c @@ -671,8 +671,23 @@ static int pep_do_rcv(struct sock *sk, struct sk_buff *skb) /* Look for an existing pipe handle */ sknode = pep_find_pipe(&pn->hlist, &dst, pipe_handle); - if (sknode) - return sk_receive_skb(sknode, skb, 1); + if (sknode) { + int rc; + + /* pep_do_rcv() runs from two contexts: from softirq via + * phonet_rcv() -> __sk_receive_skb() with BH disabled, + * and from process context via + * release_sock() -> __release_sock(), which drops + * the listener slock with spin_unlock_bh() before draining + * the backlog. The child pipe slock is taken below via + * bh_lock_sock_nested(), which does not itself disable BH, so + * disable BH here to keep both acquire contexts consistent. + */ + local_bh_disable(); + rc = sk_receive_skb(sknode, skb, 1); + local_bh_enable(); + return rc; + } switch (hdr->message_id) { case PNS_PEP_CONNECT_REQ: diff --git a/net/qrtr/ns.c b/net/qrtr/ns.c index 1da34d54092be6..c76eaf99e179a4 100644 --- a/net/qrtr/ns.c +++ b/net/qrtr/ns.c @@ -23,6 +23,7 @@ static struct { struct list_head lookups; struct workqueue_struct *workqueue; struct work_struct work; + void (*saved_data_ready)(struct sock *sk); int local_node; } qrtr_ns; @@ -796,6 +797,7 @@ int qrtr_ns_init(void) goto err_sock; } + qrtr_ns.saved_data_ready = qrtr_ns.sock->sk->sk_data_ready; qrtr_ns.sock->sk->sk_data_ready = qrtr_ns_data_ready; sq.sq_port = QRTR_PORT_CTRL; @@ -836,6 +838,10 @@ int qrtr_ns_init(void) return 0; err_wq: + write_lock_bh(&qrtr_ns.sock->sk->sk_callback_lock); + qrtr_ns.sock->sk->sk_data_ready = qrtr_ns.saved_data_ready; + write_unlock_bh(&qrtr_ns.sock->sk->sk_callback_lock); + destroy_workqueue(qrtr_ns.workqueue); err_sock: sock_release(qrtr_ns.sock); @@ -845,7 +851,12 @@ EXPORT_SYMBOL_GPL(qrtr_ns_init); void qrtr_ns_remove(void) { + write_lock_bh(&qrtr_ns.sock->sk->sk_callback_lock); + qrtr_ns.sock->sk->sk_data_ready = qrtr_ns.saved_data_ready; + write_unlock_bh(&qrtr_ns.sock->sk->sk_callback_lock); + cancel_work_sync(&qrtr_ns.work); + synchronize_net(); destroy_workqueue(qrtr_ns.workqueue); /* sock_release() expects the two references that were put during diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c index 0ec0ae1483492d..ca1b52372ab293 100644 --- a/net/rds/af_rds.c +++ b/net/rds/af_rds.c @@ -357,7 +357,8 @@ static int rds_cong_monitor(struct rds_sock *rs, sockptr_t optval, int optlen) return ret; } -static int rds_set_transport(struct rds_sock *rs, sockptr_t optval, int optlen) +static int rds_set_transport(struct net *net, struct rds_sock *rs, + sockptr_t optval, int optlen) { int t_type; @@ -373,6 +374,10 @@ static int rds_set_transport(struct rds_sock *rs, sockptr_t optval, int optlen) if (t_type < 0 || t_type >= RDS_TRANS_COUNT) return -EINVAL; + /* RDS/IB is restricted to the initial network namespace */ + if (t_type != RDS_TRANS_TCP && !net_eq(net, &init_net)) + return -EPROTOTYPE; + rs->rs_transport = rds_trans_get(t_type); return rs->rs_transport ? 0 : -ENOPROTOOPT; @@ -433,6 +438,7 @@ static int rds_setsockopt(struct socket *sock, int level, int optname, sockptr_t optval, unsigned int optlen) { struct rds_sock *rs = rds_sk_to_rs(sock->sk); + struct net *net = sock_net(sock->sk); int ret; if (level != SOL_RDS) { @@ -461,7 +467,7 @@ static int rds_setsockopt(struct socket *sock, int level, int optname, break; case SO_RDS_TRANSPORT: lock_sock(sock->sk); - ret = rds_set_transport(rs, optval, optlen); + ret = rds_set_transport(net, rs, optval, optlen); release_sock(sock->sk); break; case SO_TIMESTAMP_OLD: diff --git a/net/rds/connection.c b/net/rds/connection.c index 98c0d5ff9de9c6..cd41f83863c893 100644 --- a/net/rds/connection.c +++ b/net/rds/connection.c @@ -673,6 +673,13 @@ void rds_for_each_conn_info(struct socket *sock, unsigned int len, i++, head++) { hlist_for_each_entry_rcu(conn, head, c_hash_node) { + /* Zero the per-item buffer before handing it to the + * visitor so any field the visitor does not write - + * including implicit alignment padding - cannot leak + * stack contents to user space via rds_info_copy(). + */ + memset(buffer, 0, item_len); + /* XXX no c_lock usage.. */ if (!visitor(conn, buffer)) continue; @@ -722,6 +729,13 @@ static void rds_walk_conn_path_info(struct socket *sock, unsigned int len, */ cp = conn->c_path; + /* Zero the per-item buffer for the same reason as + * rds_for_each_conn_info(): any byte the visitor + * does not write (including alignment padding) must + * not leak stack contents via rds_info_copy(). + */ + memset(buffer, 0, item_len); + /* XXX no cp_lock usage.. */ if (!visitor(cp, buffer)) continue; diff --git a/net/rds/ib.c b/net/rds/ib.c index 24c9a9005a6fba..ec45664f387674 100644 --- a/net/rds/ib.c +++ b/net/rds/ib.c @@ -403,8 +403,8 @@ static void rds6_ib_ic_info(struct socket *sock, unsigned int len, * allowed to influence which paths have priority. We could call userspace * asserting this policy "routing". */ -static int rds_ib_laddr_check(struct net *net, const struct in6_addr *addr, - __u32 scope_id) +static int rds_ib_laddr_check_cm(struct net *net, const struct in6_addr *addr, + __u32 scope_id) { int ret; struct rdma_cm_id *cm_id; @@ -489,6 +489,26 @@ out: return ret; } +static int rds_ib_laddr_check(struct net *net, const struct in6_addr *addr, + __u32 scope_id) +{ + struct rds_ib_device *rds_ibdev = NULL; + + /* RDS/IB is restricted to the initial network namespace */ + if (!net_eq(net, &init_net)) + return -EPROTOTYPE; + + if (ipv6_addr_v4mapped(addr)) { + rds_ibdev = rds_ib_get_device(addr->s6_addr32[3]); + if (rds_ibdev) { + rds_ib_dev_put(rds_ibdev); + return 0; + } + } + + return rds_ib_laddr_check_cm(net, addr, scope_id); +} + static void rds_ib_unregister_client(void) { ib_unregister_client(&rds_ib_client); diff --git a/net/rds/ib.h b/net/rds/ib.h index 2ba71102b1f1f2..d6c1197731c1c2 100644 --- a/net/rds/ib.h +++ b/net/rds/ib.h @@ -384,6 +384,7 @@ void rds_ib_cm_connect_complete(struct rds_connection *conn, __rds_ib_conn_error(conn, KERN_WARNING "RDS/IB: " fmt) /* ib_rdma.c */ +struct rds_ib_device *rds_ib_get_device(__be32 ipaddr); int rds_ib_update_ipaddr(struct rds_ib_device *rds_ibdev, struct in6_addr *ipaddr); void rds_ib_add_conn(struct rds_ib_device *rds_ibdev, struct rds_connection *conn); diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c index 30fca2169aa7ab..468fd60d818ff3 100644 --- a/net/rds/ib_rdma.c +++ b/net/rds/ib_rdma.c @@ -47,7 +47,7 @@ struct rds_ib_dereg_odp_mr { static void rds_ib_odp_mr_worker(struct work_struct *work); -static struct rds_ib_device *rds_ib_get_device(__be32 ipaddr) +struct rds_ib_device *rds_ib_get_device(__be32 ipaddr) { struct rds_ib_device *rds_ibdev; struct rds_ib_ipaddr *i_ipaddr; diff --git a/net/rds/message.c b/net/rds/message.c index 8fa3d19c2e6674..987ef9ca5a8fd4 100644 --- a/net/rds/message.c +++ b/net/rds/message.c @@ -129,24 +129,34 @@ static void rds_rm_zerocopy_callback(struct rds_sock *rs, */ static void rds_message_purge(struct rds_message *rm) { + struct rds_znotifier *znotifier; unsigned long i, flags; - bool zcopy = false; + bool zcopy; if (unlikely(test_bit(RDS_MSG_PAGEVEC, &rm->m_flags))) return; spin_lock_irqsave(&rm->m_rs_lock, flags); + znotifier = rm->data.op_mmp_znotifier; + rm->data.op_mmp_znotifier = NULL; + zcopy = !!znotifier; + if (rm->m_rs) { struct rds_sock *rs = rm->m_rs; - if (rm->data.op_mmp_znotifier) { - zcopy = true; - rds_rm_zerocopy_callback(rs, rm->data.op_mmp_znotifier); + if (znotifier) { + rds_rm_zerocopy_callback(rs, znotifier); rds_wake_sk_sleep(rs); - rm->data.op_mmp_znotifier = NULL; } sock_put(rds_rs_to_sk(rs)); rm->m_rs = NULL; + } else if (znotifier) { + /* + * Zerocopy can fail before the message is queued on the + * socket, so there is no rs to carry the notification. + */ + mm_unaccount_pinned_pages(&znotifier->z_mmp); + kfree(rds_info_from_znotifier(znotifier)); } spin_unlock_irqrestore(&rm->m_rs_lock, flags); @@ -399,6 +409,7 @@ static int rds_message_zcopy_from_user(struct rds_message *rm, struct iov_iter * for (i = 0; i < rm->data.op_nents; i++) put_page(sg_page(&rm->data.op_sg[i])); + rm->data.op_nents = 0; mmp = &rm->data.op_mmp_znotifier->z_mmp; mm_unaccount_pinned_pages(mmp); ret = -EFAULT; diff --git a/net/rds/rdma.c b/net/rds/rdma.c index 3df0affff6b0f2..a02b29ad7f3496 100644 --- a/net/rds/rdma.c +++ b/net/rds/rdma.c @@ -326,10 +326,6 @@ static int __rds_rdma_map(struct rds_sock *rs, struct rds_get_mr_args *args, if (args->cookie_addr && put_user(cookie, (u64 __user *)(unsigned long)args->cookie_addr)) { - if (!need_odp) { - unpin_user_pages(pages, nr_pages); - kfree(sg); - } ret = -EFAULT; goto out; } diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c index 10dad2834d5b6e..2240e93b0048af 100644 --- a/net/rxrpc/call_object.c +++ b/net/rxrpc/call_object.c @@ -634,11 +634,9 @@ void rxrpc_put_call(struct rxrpc_call *call, enum rxrpc_call_trace op) _debug("call %d dead", call->debug_id); ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE); - if (!list_empty(&call->link)) { - write_lock(&rxnet->call_lock); - list_del_init(&call->link); - write_unlock(&rxnet->call_lock); - } + write_lock(&rxnet->call_lock); + list_del_rcu(&call->link); + write_unlock(&rxnet->call_lock); rxrpc_cleanup_call(call); } @@ -709,24 +707,20 @@ void rxrpc_destroy_all_calls(struct rxrpc_net *rxnet) _enter(""); if (!list_empty(&rxnet->calls)) { - write_lock(&rxnet->call_lock); + int shown = 0; - while (!list_empty(&rxnet->calls)) { - call = list_entry(rxnet->calls.next, - struct rxrpc_call, link); - _debug("Zapping call %p", call); + write_lock(&rxnet->call_lock); + list_for_each_entry(call, &rxnet->calls, link) { rxrpc_see_call(call); - list_del_init(&call->link); pr_err("Call %p still in use (%d,%s,%lx,%lx)!\n", call, refcount_read(&call->ref), rxrpc_call_states[call->state], call->flags, call->events); - write_unlock(&rxnet->call_lock); - cond_resched(); - write_lock(&rxnet->call_lock); + if (++shown >= 10) + break; } write_unlock(&rxnet->call_lock); diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c index 9081e842958442..205d2e49423890 100644 --- a/net/rxrpc/conn_event.c +++ b/net/rxrpc/conn_event.c @@ -293,6 +293,7 @@ static int rxrpc_process_event(struct rxrpc_connection *conn, u32 *_abort_code) { struct rxrpc_skb_priv *sp = rxrpc_skb(skb); + bool secured = false; __be32 wtmp; u32 abort_code; int loop, ret; @@ -337,6 +338,13 @@ static int rxrpc_process_event(struct rxrpc_connection *conn, _abort_code); case RXRPC_PACKET_TYPE_RESPONSE: + spin_lock_bh(&conn->state_lock); + if (conn->state != RXRPC_CONN_SERVICE_CHALLENGING) { + spin_unlock_bh(&conn->state_lock); + return 0; + } + spin_unlock_bh(&conn->state_lock); + ret = conn->security->verify_response(conn, skb, _abort_code); if (ret < 0) return ret; @@ -351,17 +359,18 @@ static int rxrpc_process_event(struct rxrpc_connection *conn, spin_lock(&conn->bundle->channel_lock); spin_lock_bh(&conn->state_lock); - if (conn->state == RXRPC_CONN_SERVICE_CHALLENGING) { conn->state = RXRPC_CONN_SERVICE; - spin_unlock_bh(&conn->state_lock); + secured = true; + } + spin_unlock_bh(&conn->state_lock); + + if (secured) { for (loop = 0; loop < RXRPC_MAXCALLS; loop++) rxrpc_call_is_secure( rcu_dereference_protected( conn->channels[loop].call, lockdep_is_held(&conn->bundle->channel_lock))); - } else { - spin_unlock_bh(&conn->state_lock); } spin_unlock(&conn->bundle->channel_lock); diff --git a/net/rxrpc/key.c b/net/rxrpc/key.c index ca4417127b10d7..3987c52a2b060c 100644 --- a/net/rxrpc/key.c +++ b/net/rxrpc/key.c @@ -754,6 +754,10 @@ static int rxrpc_preparse(struct key_preparsed_payload *prep) if (v1->security_index != RXRPC_SECURITY_RXKAD) goto error; + ret = -EKEYREJECTED; + if (v1->ticket_length > AFSTOKEN_RK_TIX_MAX) + goto error; + plen = sizeof(*token->kad) + v1->ticket_length; prep->quotalen = plen + sizeof(*token); @@ -933,6 +937,9 @@ int rxrpc_server_keyring(struct rxrpc_sock *rx, sockptr_t optval, int optlen) _enter(""); + if (rx->securities) + return -EINVAL; + if (optlen <= 0 || optlen > PAGE_SIZE - 1) return -EINVAL; diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c index 8967201fd8e54e..67553dfe6a3e42 100644 --- a/net/rxrpc/proc.c +++ b/net/rxrpc/proc.c @@ -10,6 +10,10 @@ #include #include "ar-internal.h" +#define RXRPC_PROC_ADDRBUF_SIZE \ + (sizeof("[xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:255.255.255.255]") + \ + sizeof(":12345")) + static const char *const rxrpc_conn_states[RXRPC_CONN__NR_STATES] = { [RXRPC_CONN_UNUSED] = "Unused ", [RXRPC_CONN_CLIENT] = "Client ", @@ -61,7 +65,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v) struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq)); unsigned long timeout = 0; rxrpc_seq_t tx_hard_ack, rx_hard_ack; - char lbuff[50], rbuff[50]; + char lbuff[RXRPC_PROC_ADDRBUF_SIZE], rbuff[RXRPC_PROC_ADDRBUF_SIZE]; if (v == &rxnet->calls) { seq_puts(seq, @@ -78,7 +82,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v) if (rx) { local = READ_ONCE(rx->local); if (local) - sprintf(lbuff, "%pISpc", &local->srx.transport); + scnprintf(lbuff, sizeof(lbuff), "%pISpc", &local->srx.transport); else strcpy(lbuff, "no_local"); } else { @@ -87,7 +91,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v) peer = call->peer; if (peer) - sprintf(rbuff, "%pISpc", &peer->srx.transport); + scnprintf(rbuff, sizeof(rbuff), "%pISpc", &peer->srx.transport); else strcpy(rbuff, "no_connection"); @@ -158,7 +162,7 @@ static int rxrpc_connection_seq_show(struct seq_file *seq, void *v) { struct rxrpc_connection *conn; struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq)); - char lbuff[50], rbuff[50]; + char lbuff[RXRPC_PROC_ADDRBUF_SIZE], rbuff[RXRPC_PROC_ADDRBUF_SIZE]; if (v == &rxnet->conn_proc_list) { seq_puts(seq, @@ -177,9 +181,9 @@ static int rxrpc_connection_seq_show(struct seq_file *seq, void *v) goto print; } - sprintf(lbuff, "%pISpc", &conn->params.local->srx.transport); + scnprintf(lbuff, sizeof(lbuff), "%pISpc", &conn->params.local->srx.transport); - sprintf(rbuff, "%pISpc", &conn->params.peer->srx.transport); + scnprintf(rbuff, sizeof(rbuff), "%pISpc", &conn->params.peer->srx.transport); print: seq_printf(seq, "UDP %-47.47s %-47.47s %4x %08x %s %3u" @@ -216,7 +220,7 @@ static int rxrpc_peer_seq_show(struct seq_file *seq, void *v) { struct rxrpc_peer *peer; time64_t now; - char lbuff[50], rbuff[50]; + char lbuff[RXRPC_PROC_ADDRBUF_SIZE], rbuff[RXRPC_PROC_ADDRBUF_SIZE]; if (v == SEQ_START_TOKEN) { seq_puts(seq, @@ -229,9 +233,9 @@ static int rxrpc_peer_seq_show(struct seq_file *seq, void *v) peer = list_entry(v, struct rxrpc_peer, hash_link); - sprintf(lbuff, "%pISpc", &peer->local->srx.transport); + scnprintf(lbuff, sizeof(lbuff), "%pISpc", &peer->local->srx.transport); - sprintf(rbuff, "%pISpc", &peer->srx.transport); + scnprintf(rbuff, sizeof(rbuff), "%pISpc", &peer->srx.transport); now = ktime_get_seconds(); seq_printf(seq, @@ -341,7 +345,7 @@ const struct seq_operations rxrpc_peer_seq_ops = { static int rxrpc_local_seq_show(struct seq_file *seq, void *v) { struct rxrpc_local *local; - char lbuff[50]; + char lbuff[RXRPC_PROC_ADDRBUF_SIZE]; if (v == SEQ_START_TOKEN) { seq_puts(seq, @@ -352,7 +356,7 @@ static int rxrpc_local_seq_show(struct seq_file *seq, void *v) local = hlist_entry(v, struct rxrpc_local, link); - sprintf(lbuff, "%pISpc", &local->srx.transport); + scnprintf(lbuff, sizeof(lbuff), "%pISpc", &local->srx.transport); seq_printf(seq, "UDP %-47.47s %3u %3u\n", diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c index 78782677393780..301b8acf78f55f 100644 --- a/net/rxrpc/recvmsg.c +++ b/net/rxrpc/recvmsg.c @@ -607,7 +607,8 @@ try_again: if (after(call->rx_top, call->rx_hard_ack) && call->rxtx_buffer[(call->rx_hard_ack + 1) & RXRPC_RXTX_BUFF_MASK]) - rxrpc_notify_socket(call); + if (!(flags & MSG_PEEK)) + rxrpc_notify_socket(call); break; default: ret = 0; @@ -642,11 +643,24 @@ error_unlock_call: error_requeue_call: if (!(flags & MSG_PEEK)) { write_lock_bh(&rx->recvmsg_lock); - list_add(&call->recvmsg_link, &rx->recvmsg_q); - write_unlock_bh(&rx->recvmsg_lock); + if (list_empty(&call->recvmsg_link)) { + list_add(&call->recvmsg_link, &rx->recvmsg_q); + trace_rxrpc_call(call->debug_id, + rxrpc_call_see_recvmsg_requeue, + refcount_read(&call->ref), + __builtin_return_address(0), NULL); + write_unlock_bh(&rx->recvmsg_lock); + } else if (list_is_first(&call->recvmsg_link, &rx->recvmsg_q)) { + write_unlock_bh(&rx->recvmsg_lock); + rxrpc_put_call(call, rxrpc_call_see_recvmsg_requeue_first); + } else { + list_move(&call->recvmsg_link, &rx->recvmsg_q); + write_unlock_bh(&rx->recvmsg_lock); + rxrpc_put_call(call, rxrpc_call_see_recvmsg_requeue_move); + } trace_rxrpc_recvmsg(call, rxrpc_recvmsg_requeue, 0, 0, 0, 0); } else { - rxrpc_put_call(call, rxrpc_call_put); + rxrpc_put_call(call, rxrpc_call_put_recvmsg_peek_nowait); } error_no_call: release_sock(&rx->sk); diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c index 5345e8eefd33c4..c9966722dcf788 100644 --- a/net/rxrpc/rxkad.c +++ b/net/rxrpc/rxkad.c @@ -941,8 +941,13 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn, sg_init_one(&sg[0], ticket, ticket_len); skcipher_request_set_callback(req, 0, NULL, NULL); skcipher_request_set_crypt(req, sg, sg, ticket_len, iv.x); - crypto_skcipher_decrypt(req); + ret = crypto_skcipher_decrypt(req); skcipher_request_free(req); + if (ret < 0) { + abort_code = RXKADBADTICKET; + ret = -EPROTO; + goto other_error; + } p = ticket; end = p + ticket_len; diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c index 1882fea7190352..0b24d096372527 100644 --- a/net/rxrpc/sendmsg.c +++ b/net/rxrpc/sendmsg.c @@ -641,7 +641,7 @@ rxrpc_new_client_call_for_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, memset(&cp, 0, sizeof(cp)); cp.local = rx->local; - cp.key = rx->key; + cp.key = key; cp.security_level = rx->min_sec_level; cp.exclusive = rx->exclusive | p->exclusive; cp.upgrade = p->upgrade; diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c index 4fa4fcb842ba7c..107dc690de0511 100644 --- a/net/sched/act_csum.c +++ b/net/sched/act_csum.c @@ -602,8 +602,12 @@ again: protocol = skb->protocol; orig_vlan_tag_present = true; } else { - struct vlan_hdr *vlan = (struct vlan_hdr *)skb->data; + struct vlan_hdr *vlan; + if (!pskb_may_pull(skb, VLAN_HLEN)) + goto drop; + + vlan = (struct vlan_hdr *)skb->data; protocol = vlan->h_vlan_encapsulated_proto; skb_pull(skb, VLAN_HLEN); skb_reset_network_header(skb); diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c index d9748c917a5036..adb421684440a7 100644 --- a/net/sched/act_ct.c +++ b/net/sched/act_ct.c @@ -289,9 +289,13 @@ static int tcf_ct_flow_table_get(struct net *net, struct tcf_ct_params *params) int err = -ENOMEM; mutex_lock(&zones_mutex); - ct_ft = rhashtable_lookup_fast(&zones_ht, &key, zones_params); - if (ct_ft && refcount_inc_not_zero(&ct_ft->ref)) + rcu_read_lock(); + ct_ft = rhashtable_lookup(&zones_ht, &key, zones_params); + if (ct_ft && refcount_inc_not_zero(&ct_ft->ref)) { + rcu_read_unlock(); goto out_unlock; + } + rcu_read_unlock(); ct_ft = kzalloc(sizeof(*ct_ft), GFP_KERNEL); if (!ct_ft) @@ -589,22 +593,25 @@ static bool tcf_ct_skb_nfct_cached(struct net *net, struct sk_buff *skb, if (!ct) return false; if (!net_eq(net, read_pnet(&ct->ct_net))) - return false; + goto drop_ct; if (nf_ct_zone(ct)->id != zone_id) - return false; + goto drop_ct; /* Force conntrack entry direction. */ if (force && CTINFO2DIR(ctinfo) != IP_CT_DIR_ORIGINAL) { if (nf_ct_is_confirmed(ct)) nf_ct_kill(ct); - nf_conntrack_put(&ct->ct_general); - nf_ct_set(skb, NULL, IP_CT_UNTRACKED); - - return false; + goto drop_ct; } return true; + +drop_ct: + nf_conntrack_put(&ct->ct_general); + nf_ct_set(skb, NULL, IP_CT_UNTRACKED); + + return false; } /* Trim the skb to the length specified by the IP/IPv6 header, diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c index edf9a6e328d220..2be03c8d13cb01 100644 --- a/net/sched/sch_cake.c +++ b/net/sched/sch_cake.c @@ -619,7 +619,7 @@ static bool cake_update_flowkeys(struct flow_keys *keys, } port = rev ? tuple.src.u.all : tuple.dst.u.all; if (port != keys->ports.dst) { - port = keys->ports.dst; + keys->ports.dst = port; upd = true; } } @@ -2313,10 +2313,11 @@ static void cake_set_rate(struct cake_tin_data *b, u64 rate, u32 mtu, byte_target_ns = (byte_target * rate_ns) >> rate_shft; - b->cparams.target = max((byte_target_ns * 3) / 2, target_ns); - b->cparams.interval = max(rtt_est_ns + - b->cparams.target - target_ns, - b->cparams.target * 2); + WRITE_ONCE(b->cparams.target, + max((byte_target_ns * 3) / 2, target_ns)); + WRITE_ONCE(b->cparams.interval, + max(rtt_est_ns + b->cparams.target - target_ns, + b->cparams.target * 2)); b->cparams.mtu_time = byte_target_ns; b->cparams.p_inc = 1 << 24; /* 1/256 */ b->cparams.p_dec = 1 << 20; /* 1/4096 */ @@ -2933,9 +2934,9 @@ static int cake_dump_stats(struct Qdisc *sch, struct gnet_dump *d) PUT_TSTAT_U32(BACKLOG_BYTES, b->tin_backlog); PUT_TSTAT_U32(TARGET_US, - ktime_to_us(ns_to_ktime(b->cparams.target))); + ktime_to_us(ns_to_ktime(READ_ONCE(b->cparams.target)))); PUT_TSTAT_U32(INTERVAL_US, - ktime_to_us(ns_to_ktime(b->cparams.interval))); + ktime_to_us(ns_to_ktime(READ_ONCE(b->cparams.interval)))); PUT_TSTAT_U32(SENT_PACKETS, b->packets); PUT_TSTAT_U32(DROPPED_PACKETS, b->tin_dropped); diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c index f3805bee995bba..7283f96dead624 100644 --- a/net/sched/sch_choke.c +++ b/net/sched/sch_choke.c @@ -60,7 +60,6 @@ struct choke_sched_data { u32 forced_drop; /* Forced drops, qavg > max_thresh */ u32 forced_mark; /* Forced marks, qavg > max_thresh */ u32 pdrop; /* Drops due to queue limits */ - u32 other; /* Drops due to drop() calls */ u32 matched; /* Drops to flow match */ } stats; @@ -230,7 +229,7 @@ static int choke_enqueue(struct sk_buff *skb, struct Qdisc *sch, /* Draw a packet at random from queue and compare flow */ if (choke_match_random(q, skb, &idx)) { - q->stats.matched++; + WRITE_ONCE(q->stats.matched, q->stats.matched + 1); choke_drop_by_idx(sch, idx, to_free); goto congestion_drop; } @@ -242,11 +241,13 @@ static int choke_enqueue(struct sk_buff *skb, struct Qdisc *sch, qdisc_qstats_overlimit(sch); if (use_harddrop(q) || !use_ecn(q) || !INET_ECN_set_ce(skb)) { - q->stats.forced_drop++; + WRITE_ONCE(q->stats.forced_drop, + q->stats.forced_drop + 1); goto congestion_drop; } - q->stats.forced_mark++; + WRITE_ONCE(q->stats.forced_mark, + q->stats.forced_mark + 1); } else if (++q->vars.qcount) { if (red_mark_probability(p, &q->vars, q->vars.qavg)) { q->vars.qcount = 0; @@ -254,11 +255,13 @@ static int choke_enqueue(struct sk_buff *skb, struct Qdisc *sch, qdisc_qstats_overlimit(sch); if (!use_ecn(q) || !INET_ECN_set_ce(skb)) { - q->stats.prob_drop++; + WRITE_ONCE(q->stats.prob_drop, + q->stats.prob_drop + 1); goto congestion_drop; } - q->stats.prob_mark++; + WRITE_ONCE(q->stats.prob_mark, + q->stats.prob_mark + 1); } } else q->vars.qR = red_random(p); @@ -273,7 +276,7 @@ static int choke_enqueue(struct sk_buff *skb, struct Qdisc *sch, return NET_XMIT_SUCCESS; } - q->stats.pdrop++; + WRITE_ONCE(q->stats.pdrop, q->stats.pdrop + 1); return qdisc_drop(skb, sch, to_free); congestion_drop: @@ -461,11 +464,12 @@ static int choke_dump_stats(struct Qdisc *sch, struct gnet_dump *d) { struct choke_sched_data *q = qdisc_priv(sch); struct tc_choke_xstats st = { - .early = q->stats.prob_drop + q->stats.forced_drop, - .marked = q->stats.prob_mark + q->stats.forced_mark, - .pdrop = q->stats.pdrop, - .other = q->stats.other, - .matched = q->stats.matched, + .early = READ_ONCE(q->stats.prob_drop) + + READ_ONCE(q->stats.forced_drop), + .marked = READ_ONCE(q->stats.prob_mark) + + READ_ONCE(q->stats.forced_mark), + .pdrop = READ_ONCE(q->stats.pdrop), + .matched = READ_ONCE(q->stats.matched), }; return gnet_stats_copy_app(d, &st, sizeof(st)); diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c index 3c1efe360defad..10bdc0de394cc5 100644 --- a/net/sched/sch_fq_codel.c +++ b/net/sched/sch_fq_codel.c @@ -559,6 +559,8 @@ static int fq_codel_dump_stats(struct Qdisc *sch, struct gnet_dump *d) }; struct list_head *pos; + sch_tree_lock(sch); + st.qdisc_stats.maxpacket = q->cstats.maxpacket; st.qdisc_stats.drop_overlimit = q->drop_overlimit; st.qdisc_stats.ecn_mark = q->cstats.ecn_mark; @@ -567,7 +569,6 @@ static int fq_codel_dump_stats(struct Qdisc *sch, struct gnet_dump *d) st.qdisc_stats.memory_usage = q->memory_usage; st.qdisc_stats.drop_overmemory = q->drop_overmemory; - sch_tree_lock(sch); list_for_each(pos, &q->new_flows) st.qdisc_stats.new_flows_len++; diff --git a/net/sched/sch_fq_pie.c b/net/sched/sch_fq_pie.c index d4bfa3382e118e..b62a1c0c4817f9 100644 --- a/net/sched/sch_fq_pie.c +++ b/net/sched/sch_fq_pie.c @@ -499,18 +499,19 @@ nla_put_failure: static int fq_pie_dump_stats(struct Qdisc *sch, struct gnet_dump *d) { struct fq_pie_sched_data *q = qdisc_priv(sch); - struct tc_fq_pie_xstats st = { - .packets_in = q->stats.packets_in, - .overlimit = q->stats.overlimit, - .overmemory = q->overmemory, - .dropped = q->stats.dropped, - .ecn_mark = q->stats.ecn_mark, - .new_flow_count = q->new_flow_count, - .memory_usage = q->memory_usage, - }; + struct tc_fq_pie_xstats st = { 0 }; struct list_head *pos; sch_tree_lock(sch); + + st.packets_in = q->stats.packets_in; + st.overlimit = q->stats.overlimit; + st.overmemory = q->overmemory; + st.dropped = q->stats.dropped; + st.ecn_mark = q->stats.ecn_mark; + st.new_flow_count = q->new_flow_count; + st.memory_usage = q->memory_usage; + list_for_each(pos, &q->new_flows) st.new_flows_len++; diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c index f4132dc25ac05b..db3b695d072be3 100644 --- a/net/sched/sch_gred.c +++ b/net/sched/sch_gred.c @@ -817,7 +817,6 @@ static int gred_dump(struct Qdisc *sch, struct sk_buff *skb) opt.Wlog = q->parms.Wlog; opt.Plog = q->parms.Plog; opt.Scell_log = q->parms.Scell_log; - opt.other = q->stats.other; opt.early = q->stats.prob_drop; opt.forced = q->stats.forced_drop; opt.pdrop = q->stats.pdrop; @@ -883,8 +882,6 @@ append_opt: goto nla_put_failure; if (nla_put_u32(skb, TCA_GRED_VQ_STAT_PDROP, q->stats.pdrop)) goto nla_put_failure; - if (nla_put_u32(skb, TCA_GRED_VQ_STAT_OTHER, q->stats.other)) - goto nla_put_failure; nla_nest_end(skb, vq); } diff --git a/net/sched/sch_hhf.c b/net/sched/sch_hhf.c index 433bddcbc0c724..73cabb4451ce7a 100644 --- a/net/sched/sch_hhf.c +++ b/net/sched/sch_hhf.c @@ -198,7 +198,8 @@ static struct hh_flow_state *seek_list(const u32 hash, return NULL; list_del(&flow->flowchain); kfree(flow); - q->hh_flows_current_cnt--; + WRITE_ONCE(q->hh_flows_current_cnt, + q->hh_flows_current_cnt - 1); } else if (flow->hash_id == hash) { return flow; } @@ -226,7 +227,7 @@ static struct hh_flow_state *alloc_new_hh(struct list_head *head, } if (q->hh_flows_current_cnt >= q->hh_flows_limit) { - q->hh_flows_overlimit++; + WRITE_ONCE(q->hh_flows_overlimit, q->hh_flows_overlimit + 1); return NULL; } /* Create new entry. */ @@ -234,7 +235,7 @@ static struct hh_flow_state *alloc_new_hh(struct list_head *head, if (!flow) return NULL; - q->hh_flows_current_cnt++; + WRITE_ONCE(q->hh_flows_current_cnt, q->hh_flows_current_cnt + 1); INIT_LIST_HEAD(&flow->flowchain); list_add_tail(&flow->flowchain, head); @@ -309,7 +310,7 @@ static enum wdrr_bucket_idx hhf_classify(struct sk_buff *skb, struct Qdisc *sch) return WDRR_BUCKET_FOR_NON_HH; flow->hash_id = hash; flow->hit_timestamp = now; - q->hh_flows_total_cnt++; + WRITE_ONCE(q->hh_flows_total_cnt, q->hh_flows_total_cnt + 1); /* By returning without updating counters in q->hhf_arrays, * we implicitly implement "shielding" (see Optimization O1). @@ -403,7 +404,7 @@ static int hhf_enqueue(struct sk_buff *skb, struct Qdisc *sch, return NET_XMIT_SUCCESS; prev_backlog = sch->qstats.backlog; - q->drop_overlimit++; + WRITE_ONCE(q->drop_overlimit, q->drop_overlimit + 1); /* Return Congestion Notification only if we dropped a packet from this * bucket. */ @@ -681,10 +682,10 @@ static int hhf_dump_stats(struct Qdisc *sch, struct gnet_dump *d) { struct hhf_sched_data *q = qdisc_priv(sch); struct tc_hhf_xstats st = { - .drop_overlimit = q->drop_overlimit, - .hh_overlimit = q->hh_flows_overlimit, - .hh_tot_count = q->hh_flows_total_cnt, - .hh_cur_count = q->hh_flows_current_cnt, + .drop_overlimit = READ_ONCE(q->drop_overlimit), + .hh_overlimit = READ_ONCE(q->hh_flows_overlimit), + .hh_tot_count = READ_ONCE(q->hh_flows_total_cnt), + .hh_cur_count = READ_ONCE(q->hh_flows_current_cnt), }; return gnet_stats_copy_app(d, &st, sizeof(st)); diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 951156d7e5485a..3e3bced82c564d 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -210,43 +210,43 @@ static bool loss_4state(struct netem_sched_data *q) * next state and if the next packet has to be transmitted or lost. * The four states correspond to: * TX_IN_GAP_PERIOD => successfully transmitted packets within a gap period - * LOST_IN_BURST_PERIOD => isolated losses within a gap period - * LOST_IN_GAP_PERIOD => lost packets within a burst period - * TX_IN_GAP_PERIOD => successfully transmitted packets within a burst period + * LOST_IN_GAP_PERIOD => isolated losses within a gap period + * LOST_IN_BURST_PERIOD => lost packets within a burst period + * TX_IN_BURST_PERIOD => successfully transmitted packets within a burst period */ switch (clg->state) { case TX_IN_GAP_PERIOD: if (rnd < clg->a4) { - clg->state = LOST_IN_BURST_PERIOD; - return true; - } else if (clg->a4 < rnd && rnd < clg->a1 + clg->a4) { clg->state = LOST_IN_GAP_PERIOD; return true; - } else if (clg->a1 + clg->a4 < rnd) { + } else if (rnd < clg->a1 + clg->a4) { + clg->state = LOST_IN_BURST_PERIOD; + return true; + } else { clg->state = TX_IN_GAP_PERIOD; } break; case TX_IN_BURST_PERIOD: if (rnd < clg->a5) { - clg->state = LOST_IN_GAP_PERIOD; + clg->state = LOST_IN_BURST_PERIOD; return true; } else { clg->state = TX_IN_BURST_PERIOD; } break; - case LOST_IN_GAP_PERIOD: + case LOST_IN_BURST_PERIOD: if (rnd < clg->a3) clg->state = TX_IN_BURST_PERIOD; - else if (clg->a3 < rnd && rnd < clg->a2 + clg->a3) { + else if (rnd < clg->a2 + clg->a3) { clg->state = TX_IN_GAP_PERIOD; - } else if (clg->a2 + clg->a3 < rnd) { - clg->state = LOST_IN_GAP_PERIOD; + } else { + clg->state = LOST_IN_BURST_PERIOD; return true; } break; - case LOST_IN_BURST_PERIOD: + case LOST_IN_GAP_PERIOD: clg->state = TX_IN_GAP_PERIOD; break; } @@ -512,7 +512,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, 1<<(prandom_u32() % 8); } - if (unlikely(q->t_len >= sch->limit)) { + if (unlikely(sch->q.qlen >= sch->limit)) { /* re-link segs, so that qdisc_drop_all() frees them all */ skb->next = segs; qdisc_drop_all(skb, sch, to_free); @@ -815,6 +815,29 @@ static int get_dist_table(struct disttable **tbl, const struct nlattr *attr) return 0; } +static int validate_slot(const struct nlattr *attr, struct netlink_ext_ack *extack) +{ + const struct tc_netem_slot *c = nla_data(attr); + + if (c->min_delay < 0 || c->max_delay < 0) { + NL_SET_ERR_MSG_ATTR(extack, attr, "negative slot delay"); + return -EINVAL; + } + if (c->min_delay > c->max_delay) { + NL_SET_ERR_MSG_ATTR(extack, attr, "slot min delay greater than max delay"); + return -EINVAL; + } + if (c->dist_delay < 0 || c->dist_jitter < 0) { + NL_SET_ERR_MSG_ATTR(extack, attr, "negative dist delay"); + return -EINVAL; + } + if (c->max_packets < 0 || c->max_bytes < 0) { + NL_SET_ERR_MSG_ATTR(extack, attr, "negative slot limit"); + return -EINVAL; + } + return 0; +} + static void get_slot(struct netem_sched_data *q, const struct nlattr *attr) { const struct tc_netem_slot *c = nla_data(attr); @@ -1030,6 +1053,12 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt, goto table_free; } + if (tb[TCA_NETEM_SLOT]) { + ret = validate_slot(tb[TCA_NETEM_SLOT], extack); + if (ret) + goto table_free; + } + sch_tree_lock(sch); /* backup q->clg and q->loss_model */ old_clg = q->clg; diff --git a/net/sched/sch_pie.c b/net/sched/sch_pie.c index 47f5d4adb5a336..4d0f86c3ae7038 100644 --- a/net/sched/sch_pie.c +++ b/net/sched/sch_pie.c @@ -89,7 +89,7 @@ static int pie_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch, bool enqueue = false; if (unlikely(qdisc_qlen(sch) >= sch->limit)) { - q->stats.overlimit++; + WRITE_ONCE(q->stats.overlimit, q->stats.overlimit + 1); goto out; } @@ -101,7 +101,7 @@ static int pie_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch, /* If packet is ecn capable, mark it if drop probability * is lower than 10%, else drop it. */ - q->stats.ecn_mark++; + WRITE_ONCE(q->stats.ecn_mark, q->stats.ecn_mark + 1); enqueue = true; } @@ -111,15 +111,15 @@ static int pie_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch, if (!q->params.dq_rate_estimator) pie_set_enqueue_time(skb); - q->stats.packets_in++; + WRITE_ONCE(q->stats.packets_in, q->stats.packets_in + 1); if (qdisc_qlen(sch) > q->stats.maxq) - q->stats.maxq = qdisc_qlen(sch); + WRITE_ONCE(q->stats.maxq, qdisc_qlen(sch)); return qdisc_enqueue_tail(skb, sch); } out: - q->stats.dropped++; + WRITE_ONCE(q->stats.dropped, q->stats.dropped + 1); q->vars.accu_prob = 0; return qdisc_drop(skb, sch, to_free); } @@ -215,16 +215,14 @@ void pie_process_dequeue(struct sk_buff *skb, struct pie_params *params, * packet timestamp. */ if (!params->dq_rate_estimator) { - vars->qdelay = now - pie_get_enqueue_time(skb); + WRITE_ONCE(vars->qdelay, + backlog ? now - pie_get_enqueue_time(skb) : 0); if (vars->dq_tstamp != DTIME_INVALID) dtime = now - vars->dq_tstamp; vars->dq_tstamp = now; - if (backlog == 0) - vars->qdelay = 0; - if (dtime == 0) return; @@ -263,11 +261,11 @@ void pie_process_dequeue(struct sk_buff *skb, struct pie_params *params, count = count / dtime; if (vars->avg_dq_rate == 0) - vars->avg_dq_rate = count; + WRITE_ONCE(vars->avg_dq_rate, count); else - vars->avg_dq_rate = + WRITE_ONCE(vars->avg_dq_rate, (vars->avg_dq_rate - - (vars->avg_dq_rate >> 3)) + (count >> 3); + (vars->avg_dq_rate >> 3)) + (count >> 3)); /* If the queue has receded below the threshold, we hold * on to the last drain rate calculated, else we reset @@ -372,12 +370,12 @@ void pie_calculate_probability(struct pie_params *params, struct pie_vars *vars, if (qdelay > (PSCHED_NS2TICKS(250 * NSEC_PER_MSEC))) delta += MAX_PROB / (100 / 2); - vars->prob += delta; + WRITE_ONCE(vars->prob, vars->prob + delta); if (delta > 0) { /* prevent overflow */ if (vars->prob < oldprob) { - vars->prob = MAX_PROB; + WRITE_ONCE(vars->prob, MAX_PROB); /* Prevent normalization error. If probability is at * maximum value already, we normalize it here, and * skip the check to do a non-linear drop in the next @@ -388,7 +386,7 @@ void pie_calculate_probability(struct pie_params *params, struct pie_vars *vars, } else { /* prevent underflow */ if (vars->prob > oldprob) - vars->prob = 0; + WRITE_ONCE(vars->prob, 0); } /* Non-linear drop in probability: Reduce drop probability quickly if @@ -397,9 +395,9 @@ void pie_calculate_probability(struct pie_params *params, struct pie_vars *vars, if (qdelay == 0 && qdelay_old == 0 && update_prob) /* Reduce drop probability to 98.4% */ - vars->prob -= vars->prob / 64; + WRITE_ONCE(vars->prob, vars->prob - vars->prob / 64); - vars->qdelay = qdelay; + WRITE_ONCE(vars->qdelay, qdelay); vars->backlog_old = backlog; /* We restart the measurement cycle if the following conditions are met @@ -493,22 +491,22 @@ static int pie_dump_stats(struct Qdisc *sch, struct gnet_dump *d) { struct pie_sched_data *q = qdisc_priv(sch); struct tc_pie_xstats st = { - .prob = q->vars.prob << BITS_PER_BYTE, - .delay = ((u32)PSCHED_TICKS2NS(q->vars.qdelay)) / + .prob = READ_ONCE(q->vars.prob) << BITS_PER_BYTE, + .delay = ((u32)PSCHED_TICKS2NS(READ_ONCE(q->vars.qdelay))) / NSEC_PER_USEC, - .packets_in = q->stats.packets_in, - .overlimit = q->stats.overlimit, - .maxq = q->stats.maxq, - .dropped = q->stats.dropped, - .ecn_mark = q->stats.ecn_mark, + .packets_in = READ_ONCE(q->stats.packets_in), + .overlimit = READ_ONCE(q->stats.overlimit), + .maxq = READ_ONCE(q->stats.maxq), + .dropped = READ_ONCE(q->stats.dropped), + .ecn_mark = READ_ONCE(q->stats.ecn_mark), }; /* avg_dq_rate is only valid if dq_rate_estimator is enabled */ - st.dq_rate_estimating = q->params.dq_rate_estimator; + st.dq_rate_estimating = READ_ONCE(q->params.dq_rate_estimator); /* unscale and return dq_rate in bytes per sec */ - if (q->params.dq_rate_estimator) - st.avg_dq_rate = q->vars.avg_dq_rate * + if (st.dq_rate_estimating) + st.avg_dq_rate = READ_ONCE(q->vars.avg_dq_rate) * (PSCHED_TICKS_PER_SEC) >> PIE_SCALE; return gnet_stats_copy_app(d, &st, sizeof(st)); diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c index 1b69b7b90d8580..779f8779c762ad 100644 --- a/net/sched/sch_red.c +++ b/net/sched/sch_red.c @@ -89,17 +89,20 @@ static int red_enqueue(struct sk_buff *skb, struct Qdisc *sch, case RED_PROB_MARK: qdisc_qstats_overlimit(sch); if (!red_use_ecn(q)) { - q->stats.prob_drop++; + WRITE_ONCE(q->stats.prob_drop, + q->stats.prob_drop + 1); goto congestion_drop; } if (INET_ECN_set_ce(skb)) { - q->stats.prob_mark++; + WRITE_ONCE(q->stats.prob_mark, + q->stats.prob_mark + 1); skb = tcf_qevent_handle(&q->qe_mark, sch, skb, to_free, &ret); if (!skb) return NET_XMIT_CN | ret; } else if (!red_use_nodrop(q)) { - q->stats.prob_drop++; + WRITE_ONCE(q->stats.prob_drop, + q->stats.prob_drop + 1); goto congestion_drop; } @@ -109,17 +112,20 @@ static int red_enqueue(struct sk_buff *skb, struct Qdisc *sch, case RED_HARD_MARK: qdisc_qstats_overlimit(sch); if (red_use_harddrop(q) || !red_use_ecn(q)) { - q->stats.forced_drop++; + WRITE_ONCE(q->stats.forced_drop, + q->stats.forced_drop + 1); goto congestion_drop; } if (INET_ECN_set_ce(skb)) { - q->stats.forced_mark++; + WRITE_ONCE(q->stats.forced_mark, + q->stats.forced_mark + 1); skb = tcf_qevent_handle(&q->qe_mark, sch, skb, to_free, &ret); if (!skb) return NET_XMIT_CN | ret; } else if (!red_use_nodrop(q)) { - q->stats.forced_drop++; + WRITE_ONCE(q->stats.forced_drop, + q->stats.forced_drop + 1); goto congestion_drop; } @@ -133,7 +139,8 @@ static int red_enqueue(struct sk_buff *skb, struct Qdisc *sch, sch->qstats.backlog += len; sch->q.qlen++; } else if (net_xmit_drop_count(ret)) { - q->stats.pdrop++; + WRITE_ONCE(q->stats.pdrop, + q->stats.pdrop + 1); qdisc_qstats_drop(sch); } return ret; @@ -153,7 +160,7 @@ static struct sk_buff *red_dequeue(struct Qdisc *sch) struct red_sched_data *q = qdisc_priv(sch); struct Qdisc *child = q->qdisc; - skb = child->dequeue(child); + skb = qdisc_dequeue_peeked(child); if (skb) { qdisc_bstats_update(sch, skb); qdisc_qstats_backlog_dec(sch, skb); @@ -461,10 +468,13 @@ static int red_dump_stats(struct Qdisc *sch, struct gnet_dump *d) dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_RED, &hw_stats_request); } - st.early = q->stats.prob_drop + q->stats.forced_drop; - st.pdrop = q->stats.pdrop; - st.other = q->stats.other; - st.marked = q->stats.prob_mark + q->stats.forced_mark; + st.early = READ_ONCE(q->stats.prob_drop) + + READ_ONCE(q->stats.forced_drop); + + st.pdrop = READ_ONCE(q->stats.pdrop); + + st.marked = READ_ONCE(q->stats.prob_mark) + + READ_ONCE(q->stats.forced_mark); return gnet_stats_copy_app(d, &st, sizeof(st)); } diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c index 9ded56228ea10b..1b04e760e47d6c 100644 --- a/net/sched/sch_sfb.c +++ b/net/sched/sch_sfb.c @@ -130,7 +130,7 @@ static void increment_one_qlen(u32 sfbhash, u32 slot, struct sfb_sched_data *q) sfbhash >>= SFB_BUCKET_SHIFT; if (b[hash].qlen < 0xFFFF) - b[hash].qlen++; + WRITE_ONCE(b[hash].qlen, b[hash].qlen + 1); b += SFB_NUMBUCKETS; /* next level */ } } @@ -159,7 +159,7 @@ static void decrement_one_qlen(u32 sfbhash, u32 slot, sfbhash >>= SFB_BUCKET_SHIFT; if (b[hash].qlen > 0) - b[hash].qlen--; + WRITE_ONCE(b[hash].qlen, b[hash].qlen - 1); b += SFB_NUMBUCKETS; /* next level */ } } @@ -179,12 +179,12 @@ static void decrement_qlen(const struct sk_buff *skb, struct sfb_sched_data *q) static void decrement_prob(struct sfb_bucket *b, struct sfb_sched_data *q) { - b->p_mark = prob_minus(b->p_mark, q->decrement); + WRITE_ONCE(b->p_mark, prob_minus(b->p_mark, q->decrement)); } static void increment_prob(struct sfb_bucket *b, struct sfb_sched_data *q) { - b->p_mark = prob_plus(b->p_mark, q->increment); + WRITE_ONCE(b->p_mark, prob_plus(b->p_mark, q->increment)); } static void sfb_zero_all_buckets(struct sfb_sched_data *q) @@ -202,11 +202,14 @@ static u32 sfb_compute_qlen(u32 *prob_r, u32 *avgpm_r, const struct sfb_sched_da const struct sfb_bucket *b = &q->bins[q->slot].bins[0][0]; for (i = 0; i < SFB_LEVELS * SFB_NUMBUCKETS; i++) { - if (qlen < b->qlen) - qlen = b->qlen; - totalpm += b->p_mark; - if (prob < b->p_mark) - prob = b->p_mark; + u32 b_qlen = READ_ONCE(b->qlen); + u32 b_mark = READ_ONCE(b->p_mark); + + if (qlen < b_qlen) + qlen = b_qlen; + totalpm += b_mark; + if (prob < b_mark) + prob = b_mark; b++; } *prob_r = prob; @@ -294,7 +297,8 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch, if (unlikely(sch->q.qlen >= q->limit)) { qdisc_qstats_overlimit(sch); - q->stats.queuedrop++; + WRITE_ONCE(q->stats.queuedrop, + q->stats.queuedrop + 1); goto drop; } @@ -347,7 +351,8 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch, if (unlikely(minqlen >= q->max)) { qdisc_qstats_overlimit(sch); - q->stats.bucketdrop++; + WRITE_ONCE(q->stats.bucketdrop, + q->stats.bucketdrop + 1); goto drop; } @@ -373,7 +378,8 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch, } if (sfb_rate_limit(skb, q)) { qdisc_qstats_overlimit(sch); - q->stats.penaltydrop++; + WRITE_ONCE(q->stats.penaltydrop, + q->stats.penaltydrop + 1); goto drop; } goto enqueue; @@ -388,14 +394,17 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch, * In either case, we want to start dropping packets. */ if (r < (p_min - SFB_MAX_PROB / 2) * 2) { - q->stats.earlydrop++; + WRITE_ONCE(q->stats.earlydrop, + q->stats.earlydrop + 1); goto drop; } } if (INET_ECN_set_ce(skb)) { - q->stats.marked++; + WRITE_ONCE(q->stats.marked, + q->stats.marked + 1); } else { - q->stats.earlydrop++; + WRITE_ONCE(q->stats.earlydrop, + q->stats.earlydrop + 1); goto drop; } } @@ -408,7 +417,8 @@ enqueue: sch->q.qlen++; increment_qlen(&cb, q); } else if (net_xmit_drop_count(ret)) { - q->stats.childdrop++; + WRITE_ONCE(q->stats.childdrop, + q->stats.childdrop + 1); qdisc_qstats_drop(sch); } return ret; @@ -597,12 +607,12 @@ static int sfb_dump_stats(struct Qdisc *sch, struct gnet_dump *d) { struct sfb_sched_data *q = qdisc_priv(sch); struct tc_sfb_xstats st = { - .earlydrop = q->stats.earlydrop, - .penaltydrop = q->stats.penaltydrop, - .bucketdrop = q->stats.bucketdrop, - .queuedrop = q->stats.queuedrop, - .childdrop = q->stats.childdrop, - .marked = q->stats.marked, + .earlydrop = READ_ONCE(q->stats.earlydrop), + .penaltydrop = READ_ONCE(q->stats.penaltydrop), + .bucketdrop = READ_ONCE(q->stats.bucketdrop), + .queuedrop = READ_ONCE(q->stats.queuedrop), + .childdrop = READ_ONCE(q->stats.childdrop), + .marked = READ_ONCE(q->stats.marked), }; st.maxqlen = sfb_compute_qlen(&st.maxprob, &st.avgprob, q); diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 16ab7b14806611..50f430280337da 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -36,11 +36,11 @@ static DEFINE_SPINLOCK(taprio_list_lock); struct sched_entry { struct list_head list; - /* The instant that this entry "closes" and the next one + /* The instant that this entry ends and the next one * should open, the qdisc will make some effort so that no * packet leaves after this time. */ - ktime_t close_time; + ktime_t end_time; ktime_t next_txtime; atomic_t budget; int index; @@ -53,7 +53,7 @@ struct sched_gate_list { struct rcu_head rcu; struct list_head entries; size_t num_entries; - ktime_t cycle_close_time; + ktime_t cycle_end_time; s64 cycle_time; s64 cycle_time_extension; s64 base_time; @@ -77,8 +77,6 @@ struct taprio_sched { struct sched_gate_list __rcu *admin_sched; struct hrtimer advance_timer; struct list_head taprio_list; - struct sk_buff *(*dequeue)(struct Qdisc *sch); - struct sk_buff *(*peek)(struct Qdisc *sch); u32 txtime_delay; }; @@ -415,18 +413,10 @@ done: return txtime; } -static int taprio_enqueue(struct sk_buff *skb, struct Qdisc *sch, - struct sk_buff **to_free) +static int taprio_enqueue_one(struct sk_buff *skb, struct Qdisc *sch, + struct Qdisc *child, struct sk_buff **to_free) { struct taprio_sched *q = qdisc_priv(sch); - struct Qdisc *child; - int queue; - - queue = skb_get_queue_mapping(skb); - - child = q->qdiscs[queue]; - if (unlikely(!child)) - return qdisc_drop(skb, sch, to_free); /* sk_flags are only safe to use on full sockets. */ if (skb->sk && sk_fullsock(skb->sk) && sock_flag(skb->sk, SOCK_TXTIME)) { @@ -444,7 +434,65 @@ static int taprio_enqueue(struct sk_buff *skb, struct Qdisc *sch, return qdisc_enqueue(skb, child, to_free); } -static struct sk_buff *taprio_peek_soft(struct Qdisc *sch) +/* Will not be called in the full offload case, since the TX queues are + * attached to the Qdisc created using qdisc_create_dflt() + */ +static int taprio_enqueue(struct sk_buff *skb, struct Qdisc *sch, + struct sk_buff **to_free) +{ + struct taprio_sched *q = qdisc_priv(sch); + struct Qdisc *child; + int queue; + + queue = skb_get_queue_mapping(skb); + + child = q->qdiscs[queue]; + if (unlikely(!child)) + return qdisc_drop(skb, sch, to_free); + + /* Large packets might not be transmitted when the transmission duration + * exceeds any configured interval. Therefore, segment the skb into + * smaller chunks. Skip it for the full offload case, as the driver + * and/or the hardware is expected to handle this. + */ + if (skb_is_gso(skb) && !FULL_OFFLOAD_IS_ENABLED(q->flags)) { + unsigned int slen = 0, numsegs = 0, len = qdisc_pkt_len(skb); + netdev_features_t features = netif_skb_features(skb); + struct sk_buff *segs, *nskb; + int ret; + + segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK); + if (IS_ERR_OR_NULL(segs)) + return qdisc_drop(skb, sch, to_free); + + skb_list_walk_safe(segs, segs, nskb) { + skb_mark_not_on_list(segs); + qdisc_skb_cb(segs)->pkt_len = segs->len; + slen += segs->len; + + ret = taprio_enqueue_one(segs, sch, child, to_free); + if (ret != NET_XMIT_SUCCESS) { + if (net_xmit_drop_count(ret)) + qdisc_qstats_drop(sch); + } else { + numsegs++; + } + } + + if (numsegs > 1) + qdisc_tree_reduce_backlog(sch, 1 - numsegs, len - slen); + consume_skb(skb); + + return numsegs > 0 ? NET_XMIT_SUCCESS : NET_XMIT_DROP; + } + + return taprio_enqueue_one(skb, sch, child, to_free); +} + +/* Will not be called in the full offload case, since the TX queues are + * attached to the Qdisc created using qdisc_create_dflt() + */ +static struct sk_buff *taprio_peek(struct Qdisc *sch) { struct taprio_sched *q = qdisc_priv(sch); struct net_device *dev = qdisc_dev(sch); @@ -488,44 +536,77 @@ static struct sk_buff *taprio_peek_soft(struct Qdisc *sch) return NULL; } -static struct sk_buff *taprio_peek_offload(struct Qdisc *sch) +static void taprio_set_budget(struct taprio_sched *q, struct sched_entry *entry) +{ + atomic_set(&entry->budget, + div64_u64((u64)entry->interval * 1000, + atomic64_read(&q->picos_per_byte))); +} + +static struct sk_buff *taprio_dequeue_from_txq(struct Qdisc *sch, int txq, + struct sched_entry *entry, + u32 gate_mask) { struct taprio_sched *q = qdisc_priv(sch); struct net_device *dev = qdisc_dev(sch); + struct Qdisc *child = q->qdiscs[txq]; struct sk_buff *skb; - int i; - - for (i = 0; i < dev->num_tx_queues; i++) { - struct Qdisc *child = q->qdiscs[i]; + ktime_t guard; + int prio; + int len; + u8 tc; - if (unlikely(!child)) - continue; + if (unlikely(!child)) + return NULL; - skb = child->ops->peek(child); + if (TXTIME_ASSIST_IS_ENABLED(q->flags)) { + skb = child->ops->dequeue(child); if (!skb) - continue; - - return skb; + return NULL; + goto skb_found; } - return NULL; -} + skb = child->ops->peek(child); + if (!skb) + return NULL; -static struct sk_buff *taprio_peek(struct Qdisc *sch) -{ - struct taprio_sched *q = qdisc_priv(sch); + prio = skb->priority; + tc = netdev_get_prio_tc_map(dev, prio); - return q->peek(sch); -} + if (!(gate_mask & BIT(tc))) + return NULL; -static void taprio_set_budget(struct taprio_sched *q, struct sched_entry *entry) -{ - atomic_set(&entry->budget, - div64_u64((u64)entry->interval * 1000, - atomic64_read(&q->picos_per_byte))); + len = qdisc_pkt_len(skb); + guard = ktime_add_ns(taprio_get_time(q), length_to_duration(q, len)); + + /* In the case that there's no gate entry, there's no + * guard band ... + */ + if (gate_mask != TAPRIO_ALL_GATES_OPEN && + ktime_after(guard, entry->end_time)) + return NULL; + + /* ... and no budget. */ + if (gate_mask != TAPRIO_ALL_GATES_OPEN && + atomic_sub_return(len, &entry->budget) < 0) + return NULL; + + skb = child->ops->dequeue(child); + if (unlikely(!skb)) + return NULL; + +skb_found: + qdisc_bstats_update(sch, skb); + qdisc_qstats_backlog_dec(sch, skb); + sch->q.qlen--; + + return skb; } -static struct sk_buff *taprio_dequeue_soft(struct Qdisc *sch) +/* Will not be called in the full offload case, since the TX queues are + * attached to the Qdisc created using qdisc_create_dflt() + */ +static struct sk_buff *taprio_dequeue(struct Qdisc *sch) { struct taprio_sched *q = qdisc_priv(sch); struct net_device *dev = qdisc_dev(sch); @@ -547,64 +628,9 @@ static struct sk_buff *taprio_dequeue_soft(struct Qdisc *sch) goto done; for (i = 0; i < dev->num_tx_queues; i++) { - struct Qdisc *child = q->qdiscs[i]; - ktime_t guard; - int prio; - int len; - u8 tc; - - if (unlikely(!child)) - continue; - - if (TXTIME_ASSIST_IS_ENABLED(q->flags)) { - skb = child->ops->dequeue(child); - if (!skb) - continue; - goto skb_found; - } - - skb = child->ops->peek(child); - if (!skb) - continue; - - prio = skb->priority; - tc = netdev_get_prio_tc_map(dev, prio); - - if (!(gate_mask & BIT(tc))) { - skb = NULL; - continue; - } - - len = qdisc_pkt_len(skb); - guard = ktime_add_ns(taprio_get_time(q), - length_to_duration(q, len)); - - /* In the case that there's no gate entry, there's no - * guard band ... - */ - if (gate_mask != TAPRIO_ALL_GATES_OPEN && - ktime_after(guard, entry->close_time)) { - skb = NULL; - continue; - } - - /* ... and no budget. */ - if (gate_mask != TAPRIO_ALL_GATES_OPEN && - atomic_sub_return(len, &entry->budget) < 0) { - skb = NULL; - continue; - } - - skb = child->ops->dequeue(child); - if (unlikely(!skb)) + skb = taprio_dequeue_from_txq(sch, i, entry, gate_mask); + if (skb) goto done; - -skb_found: - qdisc_bstats_update(sch, skb); - qdisc_qstats_backlog_dec(sch, skb); - sch->q.qlen--; - - goto done; } done: @@ -613,47 +639,13 @@ done: return skb; } -static struct sk_buff *taprio_dequeue_offload(struct Qdisc *sch) -{ - struct taprio_sched *q = qdisc_priv(sch); - struct net_device *dev = qdisc_dev(sch); - struct sk_buff *skb; - int i; - - for (i = 0; i < dev->num_tx_queues; i++) { - struct Qdisc *child = q->qdiscs[i]; - - if (unlikely(!child)) - continue; - - skb = child->ops->dequeue(child); - if (unlikely(!skb)) - continue; - - qdisc_bstats_update(sch, skb); - qdisc_qstats_backlog_dec(sch, skb); - sch->q.qlen--; - - return skb; - } - - return NULL; -} - -static struct sk_buff *taprio_dequeue(struct Qdisc *sch) -{ - struct taprio_sched *q = qdisc_priv(sch); - - return q->dequeue(sch); -} - static bool should_restart_cycle(const struct sched_gate_list *oper, const struct sched_entry *entry) { if (list_is_last(&entry->list, &oper->entries)) return true; - if (ktime_compare(entry->close_time, oper->cycle_close_time) == 0) + if (ktime_compare(entry->end_time, oper->cycle_end_time) == 0) return true; return false; @@ -661,7 +653,7 @@ static bool should_restart_cycle(const struct sched_gate_list *oper, static bool should_change_schedules(const struct sched_gate_list *admin, const struct sched_gate_list *oper, - ktime_t close_time) + ktime_t end_time) { ktime_t next_base_time, extension_time; @@ -670,18 +662,18 @@ static bool should_change_schedules(const struct sched_gate_list *admin, next_base_time = sched_base_time(admin); - /* This is the simple case, the close_time would fall after + /* This is the simple case, the end_time would fall after * the next schedule base_time. */ - if (ktime_compare(next_base_time, close_time) <= 0) + if (ktime_compare(next_base_time, end_time) <= 0) return true; - /* This is the cycle_time_extension case, if the close_time + /* This is the cycle_time_extension case, if the end_time * plus the amount that can be extended would fall after the * next schedule base_time, we can extend the current schedule * for that amount. */ - extension_time = ktime_add_ns(close_time, oper->cycle_time_extension); + extension_time = ktime_add_ns(end_time, oper->cycle_time_extension); /* FIXME: the IEEE 802.1Q-2018 Specification isn't clear about * how precisely the extension should be made. So after @@ -700,7 +692,7 @@ static enum hrtimer_restart advance_sched(struct hrtimer *timer) struct sched_gate_list *oper, *admin; struct sched_entry *entry, *next; struct Qdisc *sch = q->root; - ktime_t close_time; + ktime_t end_time; spin_lock(&q->current_entry_lock); entry = rcu_dereference_protected(q->current_entry, @@ -719,41 +711,42 @@ static enum hrtimer_restart advance_sched(struct hrtimer *timer) * entry of all schedules are pre-calculated during the * schedule initialization. */ - if (unlikely(!entry || entry->close_time == oper->base_time)) { + if (unlikely(!entry || entry->end_time == oper->base_time)) { next = list_first_entry(&oper->entries, struct sched_entry, list); - close_time = next->close_time; + end_time = next->end_time; goto first_run; } if (should_restart_cycle(oper, entry)) { next = list_first_entry(&oper->entries, struct sched_entry, list); - oper->cycle_close_time = ktime_add_ns(oper->cycle_close_time, - oper->cycle_time); + oper->cycle_end_time = ktime_add_ns(oper->cycle_end_time, + oper->cycle_time); } else { next = list_next_entry(entry, list); } - close_time = ktime_add_ns(entry->close_time, next->interval); - close_time = min_t(ktime_t, close_time, oper->cycle_close_time); + end_time = ktime_add_ns(entry->end_time, next->interval); + end_time = min_t(ktime_t, end_time, oper->cycle_end_time); - if (should_change_schedules(admin, oper, close_time)) { - /* Set things so the next time this runs, the new - * schedule runs. - */ - close_time = sched_base_time(admin); + if (should_change_schedules(admin, oper, end_time)) { switch_schedules(q, &admin, &oper); + /* After changing schedules, the next entry is the first one + * in the new schedule, with a pre-calculated end_time. + */ + next = list_first_entry(&oper->entries, struct sched_entry, list); + end_time = next->end_time; } - next->close_time = close_time; + next->end_time = end_time; taprio_set_budget(q, next); first_run: rcu_assign_pointer(q->current_entry, next); spin_unlock(&q->current_entry_lock); - hrtimer_set_expires(&q->advance_timer, close_time); + hrtimer_set_expires(&q->advance_timer, end_time); rcu_read_lock(); __netif_schedule(sch); @@ -1015,8 +1008,8 @@ static int taprio_get_start_time(struct Qdisc *sch, return 0; } -static void setup_first_close_time(struct taprio_sched *q, - struct sched_gate_list *sched, ktime_t base) +static void setup_first_end_time(struct taprio_sched *q, + struct sched_gate_list *sched, ktime_t base) { struct sched_entry *first; ktime_t cycle; @@ -1027,9 +1020,9 @@ static void setup_first_close_time(struct taprio_sched *q, cycle = sched->cycle_time; /* FIXME: find a better place to do this */ - sched->cycle_close_time = ktime_add_ns(base, cycle); + sched->cycle_end_time = ktime_add_ns(base, cycle); - first->close_time = ktime_add_ns(base, first->interval); + first->end_time = ktime_add_ns(base, first->interval); taprio_set_budget(q, first); rcu_assign_pointer(q->current_entry, NULL); } @@ -1550,17 +1543,6 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, q->advance_timer.function = advance_sched; } - if (FULL_OFFLOAD_IS_ENABLED(q->flags)) { - q->dequeue = taprio_dequeue_offload; - q->peek = taprio_peek_offload; - } else { - /* Be sure to always keep the function pointers - * in a consistent state. - */ - q->dequeue = taprio_dequeue_soft; - q->peek = taprio_peek_soft; - } - err = taprio_get_start_time(sch, new_admin, &start); if (err < 0) { NL_SET_ERR_MSG(extack, "Internal error: failed get start time"); @@ -1583,7 +1565,7 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, if (admin) call_rcu(&admin->rcu, taprio_free_sched_cb); } else { - setup_first_close_time(q, new_admin, start); + setup_first_end_time(q, new_admin, start); /* Protects against advance_sched() */ spin_lock_irqsave(&q->current_entry_lock, flags); @@ -1676,9 +1658,6 @@ static int taprio_init(struct Qdisc *sch, struct nlattr *opt, hrtimer_init(&q->advance_timer, CLOCK_TAI, HRTIMER_MODE_ABS); q->advance_timer.function = advance_sched; - q->dequeue = taprio_dequeue_soft; - q->peek = taprio_peek_soft; - q->root = sch; /* We only support static clockids. Use an invalid value as default @@ -1730,6 +1709,35 @@ static int taprio_init(struct Qdisc *sch, struct nlattr *opt, return taprio_change(sch, opt, extack); } +static void taprio_attach(struct Qdisc *sch) +{ + struct taprio_sched *q = qdisc_priv(sch); + struct net_device *dev = qdisc_dev(sch); + unsigned int ntx; + + /* Attach underlying qdisc */ + for (ntx = 0; ntx < dev->num_tx_queues; ntx++) { + struct Qdisc *qdisc = q->qdiscs[ntx]; + struct Qdisc *old; + + if (FULL_OFFLOAD_IS_ENABLED(q->flags)) { + qdisc->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT; + old = dev_graft_qdisc(qdisc->dev_queue, qdisc); + } else { + old = dev_graft_qdisc(qdisc->dev_queue, sch); + qdisc_refcount_inc(sch); + } + if (old) + qdisc_put(old); + } + + /* access to the child qdiscs is not needed in offload mode */ + if (FULL_OFFLOAD_IS_ENABLED(q->flags)) { + kfree(q->qdiscs); + q->qdiscs = NULL; + } +} + static struct netdev_queue *taprio_queue_get(struct Qdisc *sch, unsigned long cl) { @@ -1756,8 +1764,12 @@ static int taprio_graft(struct Qdisc *sch, unsigned long cl, if (dev->flags & IFF_UP) dev_deactivate(dev); - *old = q->qdiscs[cl - 1]; - q->qdiscs[cl - 1] = new; + if (FULL_OFFLOAD_IS_ENABLED(q->flags)) { + *old = dev_graft_qdisc(dev_queue, new); + } else { + *old = q->qdiscs[cl - 1]; + q->qdiscs[cl - 1] = new; + } if (new) new->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT; @@ -1991,6 +2003,7 @@ static struct Qdisc_ops taprio_qdisc_ops __read_mostly = { .change = taprio_change, .destroy = taprio_destroy, .reset = taprio_reset, + .attach = taprio_attach, .peek = taprio_peek, .dequeue = taprio_dequeue, .enqueue = taprio_enqueue, diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index c91f712ce1fab8..af75b940855681 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -1508,6 +1508,12 @@ static enum sctp_disposition sctp_sf_do_unexpected_init( /* Tag the variable length parameters. */ chunk->param_hdr.v = skb_pull(chunk->skb, sizeof(struct sctp_inithdr)); + if (asoc->state >= SCTP_STATE_ESTABLISHED) { + /* Discard INIT matching peer vtag after handshake completion (stale INIT). */ + if (ntohl(chunk->subh.init_hdr->init_tag) == asoc->peer.i.init_tag) + return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands); + } + /* Verify the INIT chunk before processing it. */ err_chunk = NULL; if (!sctp_verify_init(net, ep, asoc, chunk->chunk_hdr->type, diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 5ea0bad561a18d..8c7bdf01e32a17 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1988,6 +1988,15 @@ static int sctp_sendmsg(struct sock *sk, struct msghdr *msg, size_t msg_len) goto out_unlock; iov_iter_revert(&msg->msg_iter, err); + + /* sctp_sendmsg_to_asoc() may have released the socket + * lock (sctp_wait_for_sndbuf), during which other + * associations on ep->asocs could have been peeled + * off or freed. @asoc itself is revalidated by the + * base.dead and base.sk checks in sctp_wait_for_sndbuf, + * so re-derive the cached cursor from it. + */ + tmp = list_next_entry(asoc, asocs); } goto out_unlock; @@ -6871,7 +6880,7 @@ static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len, /* See if the user provided enough room for all the data */ num_chunks = ntohs(ch->param_hdr.length) - sizeof(struct sctp_paramhdr); - if (len < num_chunks) + if (len < sizeof(struct sctp_authchunks) + num_chunks) return -EINVAL; if (copy_to_user(to, ch->chunks, num_chunks)) diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c index dca448c98c9de8..2e1551c246999f 100644 --- a/net/smc/smc_clc.c +++ b/net/smc/smc_clc.c @@ -440,8 +440,8 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen, dclc = (struct smc_clc_msg_decline *)clcm; reason_code = SMC_CLC_DECL_PEERDECL; smc->peer_diagnosis = ntohl(dclc->peer_diagnosis); - if (((struct smc_clc_msg_decline *)buf)->hdr.typev2 & - SMC_FIRST_CONTACT_MASK) { + if ((dclc->hdr.typev2 & SMC_FIRST_CONTACT_MASK) && + smc->conn.lgr) { smc->conn.lgr->sync_err = 1; smc_lgr_terminate_sched(smc->conn.lgr); } diff --git a/net/strparser/strparser.c b/net/strparser/strparser.c index 8f0c915615181e..b03afd44a93599 100644 --- a/net/strparser/strparser.c +++ b/net/strparser/strparser.c @@ -45,6 +45,14 @@ static void strp_abort_strp(struct strparser *strp, int err) strp->stopped = 1; + if (strp->skb_head) { + kfree_skb(strp->skb_head); + strp->skb_head = NULL; + } + + strp->skb_nextp = NULL; + strp->need_bytes = 0; + if (strp->sk) { struct sock *sk = strp->sk; diff --git a/net/tipc/msg.c b/net/tipc/msg.c index 1fcd676133eb17..721f37d301a70b 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -183,8 +183,20 @@ int tipc_buf_append(struct sk_buff **headbuf, struct sk_buff **buf) if (fragid == LAST_FRAGMENT) { TIPC_SKB_CB(head)->validated = 0; - if (unlikely(!tipc_msg_validate(&head))) + + /* If the reassembled skb has been freed in + * tipc_msg_validate() because of an invalid truesize, + * then head will point to a newly allocated reassembled + * skb, while *headbuf points to freed reassembled skb. + * In such cases, correct *headbuf for freeing the newly + * allocated reassembled skb later. + */ + if (unlikely(!tipc_msg_validate(&head))) { + if (head != *headbuf) + *headbuf = head; goto err; + } + *buf = head; TIPC_SKB_CB(head)->tail = NULL; *headbuf = NULL; diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index a300d1ac13a885..1b8e003d5e70b9 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -730,23 +730,33 @@ static int tls_push_record(struct sock *sk, int flags, i = msg_pl->sg.end; sk_msg_iter_var_prev(i); + /* msg_pl->sg.data is a ring; data[MAX+1] is reserved for the wrap + * link (frags won't use it). 'i' is now the last filled entry: + * + * i end start + * v v v [ rsv ] + * [ d ][ d ][ ][ ]...[ ][ d ][ d ][ d ][chain] + * ^ END v + * `-----------------------------------------' + * + * Note that SGL does not allow chain-after-chain, so for TLS 1.3, + * we must make sure we don't create the wrap entry and then chain + * link to content_type immediately at index 0. + */ + if (i < msg_pl->sg.start) + sg_chain(msg_pl->sg.data, ARRAY_SIZE(msg_pl->sg.data), + msg_pl->sg.data); + rec->content_type = record_type; if (prot->version == TLS_1_3_VERSION) { /* Add content type to end of message. No padding added */ sg_set_buf(&rec->sg_content_type, &rec->content_type, 1); sg_mark_end(&rec->sg_content_type); - sg_chain(msg_pl->sg.data, msg_pl->sg.end + 1, - &rec->sg_content_type); + sg_chain(msg_pl->sg.data, i + 2, &rec->sg_content_type); } else { sg_mark_end(sk_msg_elem(msg_pl, i)); } - if (msg_pl->sg.end < msg_pl->sg.start) { - sg_chain(&msg_pl->sg.data[msg_pl->sg.start], - MAX_SKB_FRAGS - msg_pl->sg.start + 1, - msg_pl->sg.data); - } - i = msg_pl->sg.start; sg_chain(rec->sg_aead_in, 2, &msg_pl->sg.data[i]); diff --git a/net/unix/diag.c b/net/unix/diag.c index 486276a1782edd..699fba7b7591dc 100644 --- a/net/unix/diag.c +++ b/net/unix/diag.c @@ -25,18 +25,23 @@ static int sk_diag_dump_name(struct sock *sk, struct sk_buff *nlskb) static int sk_diag_dump_vfs(struct sock *sk, struct sk_buff *nlskb) { - struct dentry *dentry = unix_sk(sk)->path.dentry; + struct unix_diag_vfs uv; + struct dentry *dentry; + bool have_vfs = false; + unix_state_lock(sk); + dentry = unix_sk(sk)->path.dentry; if (dentry) { - struct unix_diag_vfs uv = { - .udiag_vfs_ino = d_backing_inode(dentry)->i_ino, - .udiag_vfs_dev = dentry->d_sb->s_dev, - }; - - return nla_put(nlskb, UNIX_DIAG_VFS, sizeof(uv), &uv); + uv.udiag_vfs_ino = d_backing_inode(dentry)->i_ino; + uv.udiag_vfs_dev = dentry->d_sb->s_dev; + have_vfs = true; } + unix_state_unlock(sk); - return 0; + if (!have_vfs) + return 0; + + return nla_put(nlskb, UNIX_DIAG_VFS, sizeof(uv), &uv); } static int sk_diag_dump_peer(struct sock *sk, struct sk_buff *nlskb) diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 3a5cde1a026ed1..27f2fbf56616cc 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -1642,12 +1642,12 @@ static void vsock_update_buffer_size(struct vsock_sock *vsk, const struct vsock_transport *transport, u64 val) { - if (val > vsk->buffer_max_size) - val = vsk->buffer_max_size; - if (val < vsk->buffer_min_size) val = vsk->buffer_min_size; + if (val > vsk->buffer_max_size) + val = vsk->buffer_max_size; + if (val != vsk->buffer_size && transport && transport->notify_buffer_size) transport->notify_buffer_size(vsk, &val); diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c index b4871cc1fd3935..974a33015f37cf 100644 --- a/net/vmw_vsock/hyperv_transport.c +++ b/net/vmw_vsock/hyperv_transport.c @@ -366,10 +366,10 @@ static void hvs_open_connection(struct vmbus_channel *chan) } else { sndbuf = max_t(int, sk->sk_sndbuf, RINGBUFFER_HVS_SND_SIZE); sndbuf = min_t(int, sndbuf, RINGBUFFER_HVS_MAX_SIZE); - sndbuf = ALIGN(sndbuf, HV_HYP_PAGE_SIZE); + sndbuf = VMBUS_RING_SIZE(sndbuf); rcvbuf = max_t(int, sk->sk_rcvbuf, RINGBUFFER_HVS_RCV_SIZE); rcvbuf = min_t(int, rcvbuf, RINGBUFFER_HVS_MAX_SIZE); - rcvbuf = ALIGN(rcvbuf, HV_HYP_PAGE_SIZE); + rcvbuf = VMBUS_RING_SIZE(rcvbuf); } ret = vmbus_open(chan, sndbuf, rcvbuf, NULL, 0, hvs_channel_cb, diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index cbe8d777d51191..79548967eba5ce 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -1089,8 +1089,6 @@ virtio_transport_recv_listen(struct sock *sk, struct virtio_vsock_pkt *pkt, return -ENOMEM; } - sk_acceptq_added(sk); - lock_sock_nested(child, SINGLE_DEPTH_NESTING); child->sk_state = TCP_ESTABLISHED; @@ -1112,6 +1110,7 @@ virtio_transport_recv_listen(struct sock *sk, struct virtio_vsock_pkt *pkt, return ret; } + sk_acceptq_added(sk); if (virtio_transport_space_update(child, pkt)) child->sk_write_space(child); diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c index 5a85e1ce2aa482..d31f47176b16b5 100644 --- a/net/vmw_vsock/vmci_transport.c +++ b/net/vmw_vsock/vmci_transport.c @@ -1158,7 +1158,7 @@ vmci_transport_recv_connecting_server(struct sock *listener, /* Close and cleanup the connection. */ vmci_transport_send_reset(pending, pkt); skerr = EPROTO; - err = pkt->type == VMCI_TRANSPORT_PACKET_TYPE_RST ? 0 : -EINVAL; + err = -EINVAL; goto destroy; } diff --git a/net/wireless/core.c b/net/wireless/core.c index 019f9767eda5f9..c6c5dd4e352093 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -1208,10 +1208,8 @@ void __cfg80211_leave(struct cfg80211_registered_device *rdev, /* must be handled by mac80211/driver, has no APIs */ break; case NL80211_IFTYPE_P2P_DEVICE: - cfg80211_stop_p2p_device(rdev, wdev); - break; case NL80211_IFTYPE_NAN: - cfg80211_stop_nan(rdev, wdev); + /* cannot happen, has no netdev */ break; case NL80211_IFTYPE_AP_VLAN: case NL80211_IFTYPE_MONITOR: diff --git a/net/wireless/scan.c b/net/wireless/scan.c index a09fb529100826..1cf62bd9b8f626 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -2176,6 +2176,9 @@ size_t cfg80211_merge_profile(const u8 *ie, size_t ielen, memcpy(merged_ie + copied_len, next_sub->data, next_sub->datalen); copied_len += next_sub->datalen; + + mbssid_elem = next_mbssid; + sub_elem = next_sub; } return copied_len; diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c index 42b19feb2b6e55..79df583b6ce069 100644 --- a/net/xdp/xdp_umem.c +++ b/net/xdp/xdp_umem.c @@ -199,7 +199,8 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr) if (!unaligned_chunks && chunks_rem) return -EINVAL; - if (headroom >= chunk_size - XDP_PACKET_HEADROOM) + if (headroom > chunk_size - XDP_PACKET_HEADROOM - + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) - 128) return -EINVAL; umem->size = size; diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index a55f8fe3e052f1..e046f7894feedd 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -2727,6 +2727,7 @@ const int xfrm_msg_min[XFRM_NR_MSGTYPES] = { [XFRM_MSG_GETSADINFO - XFRM_MSG_BASE] = sizeof(u32), [XFRM_MSG_NEWSPDINFO - XFRM_MSG_BASE] = sizeof(u32), [XFRM_MSG_GETSPDINFO - XFRM_MSG_BASE] = sizeof(u32), + [XFRM_MSG_MAPPING - XFRM_MSG_BASE] = XMSGSIZE(xfrm_user_mapping), [XFRM_MSG_SETDEFAULT - XFRM_MSG_BASE] = XMSGSIZE(xfrm_userpolicy_default), [XFRM_MSG_GETDEFAULT - XFRM_MSG_BASE] = XMSGSIZE(xfrm_userpolicy_default), }; @@ -3290,6 +3291,8 @@ static int build_polexpire(struct sk_buff *skb, struct xfrm_policy *xp, return err; } upe->hard = !!hard; + /* clear the padding bytes */ + memset(&upe->hard + 1, 0, sizeof(*upe) - offsetofend(typeof(*upe), hard)); nlmsg_end(skb, nlh); return 0; @@ -3493,6 +3496,7 @@ static int build_mapping(struct sk_buff *skb, struct xfrm_state *x, um = nlmsg_data(nlh); + memset(&um->id, 0, sizeof(um->id)); memcpy(&um->id.daddr, &x->id.daddr, sizeof(um->id.daddr)); um->id.spi = x->id.spi; um->id.family = x->props.family; diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 9a1c5ac4ba07f8..2dd453c3ecd251 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -502,6 +502,7 @@ our $signature_tags = qr{(?xi: Reviewed-by:| Reported-by:| Suggested-by:| + Assisted-by:| To:| Cc: )}; @@ -2789,6 +2790,15 @@ sub process { } } + # Assisted-by uses AGENT_NAME:MODEL_VERSION format, not email + if ($sign_off =~ /^Assisted-by:/i) { + if ($email !~ /^\S+:\S+/) { + WARN("BAD_SIGN_OFF", + "Assisted-by expects 'AGENT_NAME:MODEL_VERSION [TOOL1] [TOOL2]' format\n" . $herecurr); + } + next; + } + my ($email_name, $name_comment, $email_address, $comment) = parse_email($email); my $suggested_email = format_email(($email_name, $name_comment, $email_address, $comment)); if ($suggested_email eq "") { diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l index b3b7270300de58..16c8941b43cdc3 100644 --- a/scripts/dtc/dtc-lexer.l +++ b/scripts/dtc/dtc-lexer.l @@ -39,8 +39,6 @@ extern bool treesource_error; #define DPRINT(fmt, ...) do { } while (0) #endif -static int dts_version = 1; - #define BEGIN_DEFAULT() DPRINT("\n"); \ BEGIN(V1); \ @@ -101,7 +99,6 @@ static void PRINTF(1, 2) lexical_error(const char *fmt, ...); <*>"/dts-v1/" { DPRINT("Keyword: /dts-v1/\n"); - dts_version = 1; BEGIN_DEFAULT(); return DT_V1; } diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c index b1e5e7749e416d..4ce45910b0fd01 100644 --- a/security/integrity/ima/ima_crypto.c +++ b/security/integrity/ima/ima_crypto.c @@ -837,7 +837,7 @@ static int ima_calc_boot_aggregate_tfm(char *digest, u16 alg_id, } } if (!rc) - crypto_shash_final(shash, digest); + rc = crypto_shash_final(shash, digest); return rc; } diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c index 51ed2f34b276de..0c1056efbe0294 100644 --- a/sound/aoa/soundbus/i2sbus/core.c +++ b/sound/aoa/soundbus/i2sbus/core.c @@ -83,6 +83,7 @@ static void i2sbus_release_dev(struct device *dev) for (i = aoa_resource_i2smmio; i <= aoa_resource_rxdbdma; i++) free_irq(i2sdev->interrupts[i], i2sdev); i2sbus_control_remove_dev(i2sdev->control, i2sdev); + of_node_put(i2sdev->sound.ofdev.dev.of_node); mutex_destroy(&i2sdev->lock); kfree(i2sdev); } @@ -148,7 +149,6 @@ static int i2sbus_get_and_fixup_rsrc(struct device_node *np, int index, } /* Returns 1 if added, 0 for otherwise; don't return a negative value! */ -/* FIXME: look at device node refcounting */ static int i2sbus_add_dev(struct macio_dev *macio, struct i2sbus_control *control, struct device_node *np) @@ -179,8 +179,9 @@ static int i2sbus_add_dev(struct macio_dev *macio, i = 0; for_each_child_of_node(np, child) { if (of_node_name_eq(child, "sound")) { + of_node_put(sound); i++; - sound = child; + sound = of_node_get(child); } } if (i == 1) { @@ -206,6 +207,7 @@ static int i2sbus_add_dev(struct macio_dev *macio, } } } + of_node_put(sound); /* for the time being, until we can handle non-layout-id * things in some fabric, refuse to attach if there is no * layout-id property or we haven't been forced to attach. @@ -220,7 +222,7 @@ static int i2sbus_add_dev(struct macio_dev *macio, mutex_init(&dev->lock); spin_lock_init(&dev->low_lock); dev->sound.ofdev.archdata.dma_mask = macio->ofdev.archdata.dma_mask; - dev->sound.ofdev.dev.of_node = np; + dev->sound.ofdev.dev.of_node = of_node_get(np); dev->sound.ofdev.dev.dma_mask = &dev->sound.ofdev.archdata.dma_mask; dev->sound.ofdev.dev.parent = &macio->ofdev.dev; dev->sound.ofdev.dev.release = i2sbus_release_dev; @@ -328,6 +330,7 @@ static int i2sbus_add_dev(struct macio_dev *macio, for (i=0;i<3;i++) release_and_free_resource(dev->allocated_resource[i]); mutex_destroy(&dev->lock); + of_node_put(dev->sound.ofdev.dev.of_node); kfree(dev); return 0; } diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index c1fec932c49d1f..222ea652edf37c 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -40,15 +40,6 @@ #define COMPR_CODEC_CAPS_OVERFLOW #endif -/* TODO: - * - add substream support for multiple devices in case of - * SND_DYNAMIC_MINORS is not used - * - Multiple node representation - * driver should be able to register multiple nodes - */ - -static DEFINE_MUTEX(device_mutex); - struct snd_compr_file { unsigned long caps; struct snd_compr_stream stream; @@ -1170,72 +1161,6 @@ int snd_compress_new(struct snd_card *card, int device, } EXPORT_SYMBOL_GPL(snd_compress_new); -static int snd_compress_add_device(struct snd_compr *device) -{ - int ret; - - if (!device->card) - return -EINVAL; - - /* register the card */ - ret = snd_card_register(device->card); - if (ret) - goto out; - return 0; - -out: - pr_err("failed with %d\n", ret); - return ret; - -} - -static int snd_compress_remove_device(struct snd_compr *device) -{ - return snd_card_free(device->card); -} - -/** - * snd_compress_register - register compressed device - * - * @device: compressed device to register - */ -int snd_compress_register(struct snd_compr *device) -{ - int retval; - - if (device->name == NULL || device->ops == NULL) - return -EINVAL; - - pr_debug("Registering compressed device %s\n", device->name); - if (snd_BUG_ON(!device->ops->open)) - return -EINVAL; - if (snd_BUG_ON(!device->ops->free)) - return -EINVAL; - if (snd_BUG_ON(!device->ops->set_params)) - return -EINVAL; - if (snd_BUG_ON(!device->ops->trigger)) - return -EINVAL; - - mutex_init(&device->lock); - - /* register a compressed card */ - mutex_lock(&device_mutex); - retval = snd_compress_add_device(device); - mutex_unlock(&device_mutex); - return retval; -} -EXPORT_SYMBOL_GPL(snd_compress_register); - -int snd_compress_deregister(struct snd_compr *device) -{ - pr_debug("Removing compressed device %s\n", device->name); - mutex_lock(&device_mutex); - snd_compress_remove_device(device); - mutex_unlock(&device_mutex); - return 0; -} -EXPORT_SYMBOL_GPL(snd_compress_deregister); - MODULE_DESCRIPTION("ALSA Compressed offload framework"); MODULE_AUTHOR("Vinod Koul "); MODULE_LICENSE("GPL v2"); diff --git a/sound/core/control.c b/sound/core/control.c index 732eb515d2f59a..640bafb6605a56 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -1387,6 +1387,10 @@ static int snd_ctl_elem_init_enum_names(struct user_element *ue) buf_len = ue->info.value.enumerated.names_length; p = names; for (i = 0; i < ue->info.value.enumerated.items; ++i) { + if (buf_len == 0) { + kvfree(names); + return -EINVAL; + } name_len = strnlen(p, buf_len); if (name_len == 0 || name_len >= 64 || name_len == buf_len) { kvfree(names); diff --git a/sound/core/seq/oss/seq_oss_rw.c b/sound/core/seq/oss/seq_oss_rw.c index 537d5f423e206b..e89a2d8bf4f2f8 100644 --- a/sound/core/seq/oss/seq_oss_rw.c +++ b/sound/core/seq/oss/seq_oss_rw.c @@ -101,9 +101,9 @@ snd_seq_oss_write(struct seq_oss_devinfo *dp, const char __user *buf, int count, break; } fmt = (*(unsigned short *)rec.c) & 0xffff; - /* FIXME the return value isn't correct */ - return snd_seq_oss_synth_load_patch(dp, rec.s.dev, - fmt, buf, 0, count); + err = snd_seq_oss_synth_load_patch(dp, rec.s.dev, + fmt, buf, 0, count); + return err < 0 ? err : count; } if (ev_is_long(&rec)) { /* extended code */ diff --git a/sound/core/sound.c b/sound/core/sound.c index b75f78f2c4b8e2..93266542e318bb 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -213,9 +213,16 @@ static int snd_find_free_minor(int type, struct snd_card *card, int dev) case SNDRV_DEVICE_TYPE_RAWMIDI: case SNDRV_DEVICE_TYPE_PCM_PLAYBACK: case SNDRV_DEVICE_TYPE_PCM_CAPTURE: + if (snd_BUG_ON(!card)) + return -EINVAL; + minor = SNDRV_MINOR(card->number, type + dev); + break; case SNDRV_DEVICE_TYPE_COMPRESS: if (snd_BUG_ON(!card)) return -EINVAL; + if (dev < 0 || + dev >= SNDRV_MINOR_HWDEP - SNDRV_MINOR_COMPRESS) + return -EINVAL; minor = SNDRV_MINOR(card->number, type + dev); break; default: diff --git a/sound/firewire/fireworks/fireworks_command.c b/sound/firewire/fireworks/fireworks_command.c index 7e255fc2c6e405..f309f15df66934 100644 --- a/sound/firewire/fireworks/fireworks_command.c +++ b/sound/firewire/fireworks/fireworks_command.c @@ -151,10 +151,13 @@ efw_transaction(struct snd_efw *efw, unsigned int category, (be32_to_cpu(header->category) != category) || (be32_to_cpu(header->command) != command) || (be32_to_cpu(header->status) != EFR_STATUS_OK)) { + u32 st = be32_to_cpu(header->status); + dev_err(&efw->unit->device, "EFW command failed [%u/%u]: %s\n", be32_to_cpu(header->category), be32_to_cpu(header->command), - efr_status_names[be32_to_cpu(header->status)]); + st < ARRAY_SIZE(efr_status_names) ? + efr_status_names[st] : "unknown"); err = -EIO; goto end; } diff --git a/sound/firewire/tascam/tascam-hwdep.c b/sound/firewire/tascam/tascam-hwdep.c index 6f38335fe10bfd..74a5c90aacce88 100644 --- a/sound/firewire/tascam/tascam-hwdep.c +++ b/sound/firewire/tascam/tascam-hwdep.c @@ -73,6 +73,7 @@ static long tscm_hwdep_read_queue(struct snd_tscm *tscm, char __user *buf, length = rounddown(remained, sizeof(*entries)); if (length == 0) break; + tail_pos = head_pos + length / sizeof(*entries); spin_unlock_irq(&tscm->lock); if (copy_to_user(pos, &entries[head_pos], length)) diff --git a/sound/pci/asihpi/hpicmn.c b/sound/pci/asihpi/hpicmn.c index 7d1abaedb46acc..f06f44b13d3d2d 100644 --- a/sound/pci/asihpi/hpicmn.c +++ b/sound/pci/asihpi/hpicmn.c @@ -276,6 +276,12 @@ static short find_control(u16 control_index, return 0; } + if (control_index >= p_cache->control_count) { + HPI_DEBUG_LOG(VERBOSE, "control_index out of bounce %d\n", + control_index); + return 0; + } + *pI = p_cache->p_info[control_index]; if (!*pI) { HPI_DEBUG_LOG(VERBOSE, "Uncached Control %d\n", diff --git a/sound/pci/asihpi/hpimsgx.c b/sound/pci/asihpi/hpimsgx.c index 761fc62f68f16c..85a354cf082ff0 100644 --- a/sound/pci/asihpi/hpimsgx.c +++ b/sound/pci/asihpi/hpimsgx.c @@ -586,8 +586,10 @@ static u16 adapter_prepare(u16 adapter) HPI_ADAPTER_OPEN); hm.adapter_index = adapter; hw_entry_point(&hm, &hr); - memcpy(&rESP_HPI_ADAPTER_OPEN[adapter], &hr, - sizeof(rESP_HPI_ADAPTER_OPEN[0])); + memcpy(&rESP_HPI_ADAPTER_OPEN[adapter].h, &hr, + sizeof(rESP_HPI_ADAPTER_OPEN[adapter].h)); + memcpy(&rESP_HPI_ADAPTER_OPEN[adapter].a, &hr.u.ax.info, + sizeof(rESP_HPI_ADAPTER_OPEN[adapter].a)); if (hr.error) return hr.error; diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c index 06775519dab00b..fd821303999a3a 100644 --- a/sound/pci/ctxfi/ctatc.c +++ b/sound/pci/ctxfi/ctatc.c @@ -791,7 +791,8 @@ static int spdif_passthru_playback_get_resources(struct ct_atc *atc, struct src *src; int err; int n_amixer = apcm->substream->runtime->channels, i; - unsigned int pitch, rsr = atc->pll_rate; + unsigned int pitch; + unsigned int rsr = atc->pll_rate ? atc->pll_rate : atc->rsr; /* first release old resources */ atc_pcm_release_resources(atc, apcm); diff --git a/sound/pci/ctxfi/ctvmem.h b/sound/pci/ctxfi/ctvmem.h index 54818a3c245d8c..a3154e55bd444e 100644 --- a/sound/pci/ctxfi/ctvmem.h +++ b/sound/pci/ctxfi/ctvmem.h @@ -15,7 +15,7 @@ #ifndef CTVMEM_H #define CTVMEM_H -#define CT_PTP_NUM 4 /* num of device page table pages */ +#define CT_PTP_NUM 1 /* num of device page table pages */ #include #include diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 7ea036f820f54b..31cf426f026c98 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -5954,9 +5954,9 @@ static void alc_fixup_headset_mode_alc255_no_hp_mic(struct hda_codec *codec, struct alc_spec *spec = codec->spec; spec->parse_flags |= HDA_PINCFG_HEADSET_MIC; alc255_set_default_jack_type(codec); - } - else + } else { alc_fixup_headset_mode(codec, fix, action); + } } static void alc288_update_headset_jack_cb(struct hda_codec *codec, @@ -9291,6 +9291,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x8788, "HP OMEN 15", ALC285_FIXUP_HP_MUTE_LED), SND_PCI_QUIRK(0x103c, 0x87b7, "HP Laptop 14-fq0xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2), SND_PCI_QUIRK(0x103c, 0x87c8, "HP", ALC287_FIXUP_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x87cb, "HP Pavilion 15-eg0xxx", ALC287_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x87cc, "HP Pavilion 15-eg0xxx", ALC287_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x87d3, "HP Laptop 15-gw0xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2), SND_PCI_QUIRK(0x103c, 0x87df, "HP ProBook 430 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED), diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c index 31a8c4162d209c..b4bf411124fa0a 100644 --- a/sound/soc/codecs/ab8500-codec.c +++ b/sound/soc/codecs/ab8500-codec.c @@ -2505,13 +2505,13 @@ static int ab8500_codec_probe(struct snd_soc_component *component) return status; } fc = (struct filter_control *) - &ab8500_filter_controls[AB8500_FILTER_ANC_FIR].private_value; + ab8500_filter_controls[AB8500_FILTER_ANC_FIR].private_value; drvdata->anc_fir_values = (long *)fc->value; fc = (struct filter_control *) - &ab8500_filter_controls[AB8500_FILTER_ANC_IIR].private_value; + ab8500_filter_controls[AB8500_FILTER_ANC_IIR].private_value; drvdata->anc_iir_values = (long *)fc->value; fc = (struct filter_control *) - &ab8500_filter_controls[AB8500_FILTER_SID_FIR].private_value; + ab8500_filter_controls[AB8500_FILTER_SID_FIR].private_value; drvdata->sid_fir_values = (long *)fc->value; snd_soc_dapm_disable_pin(dapm, "ANC Configure Input"); diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c index 6af5c1735e2ed0..46d9c112c093ca 100644 --- a/sound/soc/fsl/fsl_easrc.c +++ b/sound/soc/fsl/fsl_easrc.c @@ -54,6 +54,9 @@ static int fsl_easrc_iec958_put_bits(struct snd_kcontrol *kcontrol, unsigned int regval = ucontrol->value.integer.value[0]; int ret; + if (regval < EASRC_WIDTH_16_BIT || regval > EASRC_WIDTH_24_BIT) + return -EINVAL; + ret = (easrc_priv->bps_iec958[mc->regbase] != regval); easrc_priv->bps_iec958[mc->regbase] = regval; @@ -70,8 +73,16 @@ static int fsl_easrc_iec958_get_bits(struct snd_kcontrol *kcontrol, struct soc_mreg_control *mc = (struct soc_mreg_control *)kcontrol->private_value; - ucontrol->value.enumerated.item[0] = easrc_priv->bps_iec958[mc->regbase]; + ucontrol->value.integer.value[0] = easrc_priv->bps_iec958[mc->regbase]; + + return 0; +} +static int fsl_easrc_iec958_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; + uinfo->count = 1; return 0; } @@ -81,11 +92,33 @@ static int fsl_easrc_get_reg(struct snd_kcontrol *kcontrol, struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); struct soc_mreg_control *mc = (struct soc_mreg_control *)kcontrol->private_value; - unsigned int regval; + struct fsl_asrc *easrc = snd_soc_component_get_drvdata(component); + unsigned int *regval = (unsigned int *)ucontrol->value.iec958.status; + int ret; + + ret = regmap_read(easrc->regmap, REG_EASRC_CS0(mc->regbase), ®val[0]); + if (ret) + return ret; - regval = snd_soc_component_read(component, mc->regbase); + ret = regmap_read(easrc->regmap, REG_EASRC_CS1(mc->regbase), ®val[1]); + if (ret) + return ret; + + ret = regmap_read(easrc->regmap, REG_EASRC_CS2(mc->regbase), ®val[2]); + if (ret) + return ret; + + ret = regmap_read(easrc->regmap, REG_EASRC_CS3(mc->regbase), ®val[3]); + if (ret) + return ret; + + ret = regmap_read(easrc->regmap, REG_EASRC_CS4(mc->regbase), ®val[4]); + if (ret) + return ret; - ucontrol->value.integer.value[0] = regval; + ret = regmap_read(easrc->regmap, REG_EASRC_CS5(mc->regbase), ®val[5]); + if (ret) + return ret; return 0; } @@ -97,22 +130,62 @@ static int fsl_easrc_set_reg(struct snd_kcontrol *kcontrol, struct soc_mreg_control *mc = (struct soc_mreg_control *)kcontrol->private_value; struct fsl_asrc *easrc = snd_soc_component_get_drvdata(component); - unsigned int regval = ucontrol->value.integer.value[0]; - bool changed; + unsigned int *regval = (unsigned int *)ucontrol->value.iec958.status; + bool changed, changed_all = false; int ret; - ret = regmap_update_bits_check(easrc->regmap, mc->regbase, - GENMASK(31, 0), regval, &changed); - if (ret != 0) + ret = pm_runtime_resume_and_get(component->dev); + if (ret) return ret; - return changed; + ret = regmap_update_bits_check(easrc->regmap, REG_EASRC_CS0(mc->regbase), + GENMASK(31, 0), regval[0], &changed); + if (ret != 0) + goto err; + changed_all |= changed; + + ret = regmap_update_bits_check(easrc->regmap, REG_EASRC_CS1(mc->regbase), + GENMASK(31, 0), regval[1], &changed); + if (ret != 0) + goto err; + changed_all |= changed; + + ret = regmap_update_bits_check(easrc->regmap, REG_EASRC_CS2(mc->regbase), + GENMASK(31, 0), regval[2], &changed); + if (ret != 0) + goto err; + changed_all |= changed; + + ret = regmap_update_bits_check(easrc->regmap, REG_EASRC_CS3(mc->regbase), + GENMASK(31, 0), regval[3], &changed); + if (ret != 0) + goto err; + changed_all |= changed; + + ret = regmap_update_bits_check(easrc->regmap, REG_EASRC_CS4(mc->regbase), + GENMASK(31, 0), regval[4], &changed); + if (ret != 0) + goto err; + changed_all |= changed; + + ret = regmap_update_bits_check(easrc->regmap, REG_EASRC_CS5(mc->regbase), + GENMASK(31, 0), regval[5], &changed); + if (ret != 0) + goto err; + changed_all |= changed; +err: + pm_runtime_put_autosuspend(component->dev); + + if (ret != 0) + return ret; + else + return changed_all; } #define SOC_SINGLE_REG_RW(xname, xreg) \ { .iface = SNDRV_CTL_ELEM_IFACE_PCM, .name = (xname), \ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \ - .info = snd_soc_info_xr_sx, .get = fsl_easrc_get_reg, \ + .info = fsl_easrc_iec958_info, .get = fsl_easrc_get_reg, \ .put = fsl_easrc_set_reg, \ .private_value = (unsigned long)&(struct soc_mreg_control) \ { .regbase = xreg, .regcount = 1, .nbits = 32, \ @@ -143,30 +216,10 @@ static const struct snd_kcontrol_new fsl_easrc_snd_controls[] = { SOC_SINGLE_VAL_RW("Context 2 IEC958 Bits Per Sample", 2), SOC_SINGLE_VAL_RW("Context 3 IEC958 Bits Per Sample", 3), - SOC_SINGLE_REG_RW("Context 0 IEC958 CS0", REG_EASRC_CS0(0)), - SOC_SINGLE_REG_RW("Context 1 IEC958 CS0", REG_EASRC_CS0(1)), - SOC_SINGLE_REG_RW("Context 2 IEC958 CS0", REG_EASRC_CS0(2)), - SOC_SINGLE_REG_RW("Context 3 IEC958 CS0", REG_EASRC_CS0(3)), - SOC_SINGLE_REG_RW("Context 0 IEC958 CS1", REG_EASRC_CS1(0)), - SOC_SINGLE_REG_RW("Context 1 IEC958 CS1", REG_EASRC_CS1(1)), - SOC_SINGLE_REG_RW("Context 2 IEC958 CS1", REG_EASRC_CS1(2)), - SOC_SINGLE_REG_RW("Context 3 IEC958 CS1", REG_EASRC_CS1(3)), - SOC_SINGLE_REG_RW("Context 0 IEC958 CS2", REG_EASRC_CS2(0)), - SOC_SINGLE_REG_RW("Context 1 IEC958 CS2", REG_EASRC_CS2(1)), - SOC_SINGLE_REG_RW("Context 2 IEC958 CS2", REG_EASRC_CS2(2)), - SOC_SINGLE_REG_RW("Context 3 IEC958 CS2", REG_EASRC_CS2(3)), - SOC_SINGLE_REG_RW("Context 0 IEC958 CS3", REG_EASRC_CS3(0)), - SOC_SINGLE_REG_RW("Context 1 IEC958 CS3", REG_EASRC_CS3(1)), - SOC_SINGLE_REG_RW("Context 2 IEC958 CS3", REG_EASRC_CS3(2)), - SOC_SINGLE_REG_RW("Context 3 IEC958 CS3", REG_EASRC_CS3(3)), - SOC_SINGLE_REG_RW("Context 0 IEC958 CS4", REG_EASRC_CS4(0)), - SOC_SINGLE_REG_RW("Context 1 IEC958 CS4", REG_EASRC_CS4(1)), - SOC_SINGLE_REG_RW("Context 2 IEC958 CS4", REG_EASRC_CS4(2)), - SOC_SINGLE_REG_RW("Context 3 IEC958 CS4", REG_EASRC_CS4(3)), - SOC_SINGLE_REG_RW("Context 0 IEC958 CS5", REG_EASRC_CS5(0)), - SOC_SINGLE_REG_RW("Context 1 IEC958 CS5", REG_EASRC_CS5(1)), - SOC_SINGLE_REG_RW("Context 2 IEC958 CS5", REG_EASRC_CS5(2)), - SOC_SINGLE_REG_RW("Context 3 IEC958 CS5", REG_EASRC_CS5(3)), + SOC_SINGLE_REG_RW("Context 0 IEC958 CS", 0), + SOC_SINGLE_REG_RW("Context 1 IEC958 CS", 1), + SOC_SINGLE_REG_RW("Context 2 IEC958 CS", 2), + SOC_SINGLE_REG_RW("Context 3 IEC958 CS", 3), }; /* @@ -1286,7 +1339,7 @@ static int fsl_easrc_request_context(int channels, struct fsl_asrc_pair *ctx) /* * Release the context * - * This funciton is mainly doing the revert thing in request context + * This function is mainly doing the revert thing in request context */ static void fsl_easrc_release_context(struct fsl_asrc_pair *ctx) { diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index e7310642be6a5a..de81858dee34ad 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2628,6 +2628,7 @@ int snd_soc_component_initialize(struct snd_soc_component *component, INIT_LIST_HEAD(&component->dobj_list); INIT_LIST_HEAD(&component->card_list); INIT_LIST_HEAD(&component->list); + INIT_LIST_HEAD(&component->card_aux_list); mutex_init(&component->io_mutex); component->name = fmt_single_name(dev, &component->id); diff --git a/sound/soc/sti/uniperif_player.c b/sound/soc/sti/uniperif_player.c index dd9013c4766491..da07f825f3c5f1 100644 --- a/sound/soc/sti/uniperif_player.c +++ b/sound/soc/sti/uniperif_player.c @@ -1028,8 +1028,13 @@ static int uni_player_parse_dt_audio_glue(struct platform_device *pdev, return PTR_ERR(regmap); } - player->clk_sel = regmap_field_alloc(regmap, regfield[0]); - player->valid_sel = regmap_field_alloc(regmap, regfield[1]); + player->clk_sel = devm_regmap_field_alloc(&pdev->dev, regmap, regfield[0]); + if (IS_ERR(player->clk_sel)) + return PTR_ERR(player->clk_sel); + + player->valid_sel = devm_regmap_field_alloc(&pdev->dev, regmap, regfield[1]); + if (IS_ERR(player->valid_sel)) + return PTR_ERR(player->valid_sel); return 0; } diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c index 1810c43d0833f9..962e5606c2c9ac 100644 --- a/sound/soc/stm/stm32_sai_sub.c +++ b/sound/soc/stm/stm32_sai_sub.c @@ -671,6 +671,7 @@ static int stm32_sai_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) break; /* Left justified */ case SND_SOC_DAIFMT_MSB: + cr1 |= SAI_XCR1_CKSTR; frcr |= SAI_XFRCR_FSPOL | SAI_XFRCR_FSDEF; break; /* Right justified */ @@ -678,9 +679,11 @@ static int stm32_sai_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) frcr |= SAI_XFRCR_FSPOL | SAI_XFRCR_FSDEF; break; case SND_SOC_DAIFMT_DSP_A: + cr1 |= SAI_XCR1_CKSTR; frcr |= SAI_XFRCR_FSPOL | SAI_XFRCR_FSOFF; break; case SND_SOC_DAIFMT_DSP_B: + cr1 |= SAI_XCR1_CKSTR; frcr |= SAI_XFRCR_FSPOL; break; default: diff --git a/sound/usb/6fire/chip.c b/sound/usb/6fire/chip.c index ad6f89845a5c2f..31b8989a021b61 100644 --- a/sound/usb/6fire/chip.c +++ b/sound/usb/6fire/chip.c @@ -54,11 +54,6 @@ static void usb6fire_chip_abort(struct sfire_chip *chip) usb6fire_comm_abort(chip); if (chip->control) usb6fire_control_abort(chip); - if (chip->card) { - snd_card_disconnect(chip->card); - snd_card_free_when_closed(chip->card); - chip->card = NULL; - } } } @@ -171,6 +166,7 @@ destroy_chip: static void usb6fire_chip_disconnect(struct usb_interface *intf) { struct sfire_chip *chip; + struct snd_card *card; chip = usb_get_intfdata(intf); if (chip) { /* if !chip, fw upload has been performed */ @@ -181,8 +177,19 @@ static void usb6fire_chip_disconnect(struct usb_interface *intf) chips[chip->regidx] = NULL; mutex_unlock(®ister_mutex); + /* + * Save card pointer before teardown. + * snd_card_free_when_closed() may free card (and + * the embedded chip) immediately, so it must be + * called last and chip must not be accessed after. + */ + card = chip->card; chip->shutdown = true; + if (card) + snd_card_disconnect(card); usb6fire_chip_abort(chip); + if (card) + snd_card_free_when_closed(card); } } } diff --git a/sound/usb/6fire/control.c b/sound/usb/6fire/control.c index 9bd8dcbb68e419..7c2274120c7657 100644 --- a/sound/usb/6fire/control.c +++ b/sound/usb/6fire/control.c @@ -290,15 +290,17 @@ static int usb6fire_control_input_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct control_runtime *rt = snd_kcontrol_chip(kcontrol); + int vol0 = ucontrol->value.integer.value[0] - 15; + int vol1 = ucontrol->value.integer.value[1] - 15; int changed = 0; - if (rt->input_vol[0] != ucontrol->value.integer.value[0]) { - rt->input_vol[0] = ucontrol->value.integer.value[0] - 15; + if (rt->input_vol[0] != vol0) { + rt->input_vol[0] = vol0; rt->ivol_updated &= ~(1 << 0); changed = 1; } - if (rt->input_vol[1] != ucontrol->value.integer.value[1]) { - rt->input_vol[1] = ucontrol->value.integer.value[1] - 15; + if (rt->input_vol[1] != vol1) { + rt->input_vol[1] = vol1; rt->ivol_updated &= ~(1 << 1); changed = 1; } diff --git a/sound/usb/caiaq/control.c b/sound/usb/caiaq/control.c index af459c49baf4c2..4598fb7e8be025 100644 --- a/sound/usb/caiaq/control.c +++ b/sound/usb/caiaq/control.c @@ -87,6 +87,7 @@ static int control_put(struct snd_kcontrol *kcontrol, struct snd_usb_caiaqdev *cdev = caiaqdev(chip->card); int pos = kcontrol->private_value; int v = ucontrol->value.integer.value[0]; + int ret; unsigned char cmd; switch (cdev->chip.usb_id) { @@ -103,6 +104,10 @@ static int control_put(struct snd_kcontrol *kcontrol, if (pos & CNT_INTVAL) { int i = pos & ~CNT_INTVAL; + unsigned char old = cdev->control_state[i]; + + if (old == v) + return 0; cdev->control_state[i] = v; @@ -113,10 +118,11 @@ static int control_put(struct snd_kcontrol *kcontrol, cdev->ep8_out_buf[0] = i; cdev->ep8_out_buf[1] = v; - usb_bulk_msg(cdev->chip.dev, - usb_sndbulkpipe(cdev->chip.dev, 8), - cdev->ep8_out_buf, sizeof(cdev->ep8_out_buf), - &actual_len, 200); + ret = usb_bulk_msg(cdev->chip.dev, + usb_sndbulkpipe(cdev->chip.dev, 8), + cdev->ep8_out_buf, + sizeof(cdev->ep8_out_buf), + &actual_len, 200); } else if (cdev->chip.usb_id == USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER)) { @@ -128,21 +134,36 @@ static int control_put(struct snd_kcontrol *kcontrol, offset = MASCHINE_BANK_SIZE; } - snd_usb_caiaq_send_command_bank(cdev, cmd, bank, - cdev->control_state + offset, - MASCHINE_BANK_SIZE); + ret = snd_usb_caiaq_send_command_bank(cdev, cmd, bank, + cdev->control_state + offset, + MASCHINE_BANK_SIZE); } else { - snd_usb_caiaq_send_command(cdev, cmd, - cdev->control_state, sizeof(cdev->control_state)); + ret = snd_usb_caiaq_send_command(cdev, cmd, + cdev->control_state, + sizeof(cdev->control_state)); + } + + if (ret < 0) { + cdev->control_state[i] = old; + return ret; } } else { - if (v) - cdev->control_state[pos / 8] |= 1 << (pos % 8); - else - cdev->control_state[pos / 8] &= ~(1 << (pos % 8)); + int idx = pos / 8; + unsigned char mask = 1 << (pos % 8); + unsigned char old = cdev->control_state[idx]; + unsigned char val = v ? (old | mask) : (old & ~mask); - snd_usb_caiaq_send_command(cdev, cmd, - cdev->control_state, sizeof(cdev->control_state)); + if (old == val) + return 0; + + cdev->control_state[idx] = val; + ret = snd_usb_caiaq_send_command(cdev, cmd, + cdev->control_state, + sizeof(cdev->control_state)); + if (ret < 0) { + cdev->control_state[idx] = old; + return ret; + } } return 1; @@ -640,4 +661,3 @@ int snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *cdev) return ret; } - diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c index 8a449f61d21457..ba1029f8eeb7e5 100644 --- a/sound/usb/caiaq/device.c +++ b/sound/usb/caiaq/device.c @@ -304,7 +304,7 @@ int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *cdev, tmp, sizeof(tmp)); } -static void setup_card(struct snd_usb_caiaqdev *cdev) +static int setup_card(struct snd_usb_caiaqdev *cdev) { int ret; char val[4]; @@ -339,8 +339,10 @@ static void setup_card(struct snd_usb_caiaqdev *cdev) snd_usb_caiaq_send_command(cdev, EP1_CMD_READ_IO, NULL, 0); if (!wait_event_timeout(cdev->ep1_wait_queue, - cdev->control_state[0] != 0xff, HZ)) - return; + cdev->control_state[0] != 0xff, HZ)) { + dev_err(dev, "Read timeout for control state\n"); + return -EINVAL; + } /* fix up some defaults */ if ((cdev->control_state[1] != 2) || @@ -361,33 +363,43 @@ static void setup_card(struct snd_usb_caiaqdev *cdev) cdev->spec.num_digital_audio_out + cdev->spec.num_digital_audio_in > 0) { ret = snd_usb_caiaq_audio_init(cdev); - if (ret < 0) + if (ret < 0) { dev_err(dev, "Unable to set up audio system (ret=%d)\n", ret); + return ret; + } } if (cdev->spec.num_midi_in + cdev->spec.num_midi_out > 0) { ret = snd_usb_caiaq_midi_init(cdev); - if (ret < 0) + if (ret < 0) { dev_err(dev, "Unable to set up MIDI system (ret=%d)\n", ret); + return ret; + } } #ifdef CONFIG_SND_USB_CAIAQ_INPUT ret = snd_usb_caiaq_input_init(cdev); - if (ret < 0) + if (ret < 0 && ret != -ENODEV) { dev_err(dev, "Unable to set up input system (ret=%d)\n", ret); + return ret; + } #endif /* finally, register the card and all its sub-instances */ ret = snd_card_register(cdev->chip.card); if (ret < 0) { dev_err(dev, "snd_card_register() returned %d\n", ret); - snd_card_free(cdev->chip.card); + return ret; } ret = snd_usb_caiaq_control_init(cdev); - if (ret < 0) + if (ret < 0) { dev_err(dev, "Unable to set up control system (ret=%d)\n", ret); + return ret; + } + + return 0; } static void card_free(struct snd_card *card) @@ -398,7 +410,7 @@ static void card_free(struct snd_card *card) snd_usb_caiaq_input_free(cdev); #endif snd_usb_caiaq_audio_free(cdev); - usb_reset_device(cdev->chip.dev); + usb_put_dev(cdev->chip.dev); } static int create_card(struct usb_device *usb_dev, @@ -424,7 +436,8 @@ static int create_card(struct usb_device *usb_dev, return err; cdev = caiaqdev(card); - cdev->chip.dev = usb_dev; + cdev->chip.dev = usb_get_dev(usb_dev); + card->private_free = card_free; cdev->chip.card = card; cdev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor), le16_to_cpu(usb_dev->descriptor.idProduct)); @@ -513,8 +526,10 @@ static int init_card(struct snd_usb_caiaqdev *cdev) snprintf(card->longname, sizeof(card->longname), "%s %s (%s)", cdev->vendor_name, cdev->product_name, usbpath); - setup_card(cdev); - card->private_free = card_free; + err = setup_card(cdev); + if (err < 0) + goto err_kill_urb; + return 0; err_kill_urb: diff --git a/sound/usb/caiaq/input.c b/sound/usb/caiaq/input.c index a9130891bb696d..5c70fdf61cc139 100644 --- a/sound/usb/caiaq/input.c +++ b/sound/usb/caiaq/input.c @@ -804,7 +804,7 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *cdev) default: /* no input methods supported on this device */ - ret = -EINVAL; + ret = -ENODEV; goto exit_free_idev; } diff --git a/sound/usb/format.c b/sound/usb/format.c index 593f1acd8fd337..54fda6b22c1064 100644 --- a/sound/usb/format.c +++ b/sound/usb/format.c @@ -395,7 +395,7 @@ static int parse_uac2_sample_rate_range(struct snd_usb_audio *chip, nr_rates++; if (nr_rates >= MAX_NR_RATES) { usb_audio_err(chip, "invalid uac2 rates\n"); - break; + return nr_rates; } skip_rate: diff --git a/sound/usb/midi.c b/sound/usb/midi.c index b09b7b3c0110e3..26b3ae2ad24b81 100644 --- a/sound/usb/midi.c +++ b/sound/usb/midi.c @@ -1906,15 +1906,17 @@ static struct usb_ms_endpoint_descriptor *find_usb_ms_endpoint_descriptor( while (extralen > 3) { struct usb_ms_endpoint_descriptor *ms_ep = (struct usb_ms_endpoint_descriptor *)extra; + int length = ms_ep->bLength; - if (ms_ep->bLength > 3 && + if (!length || length > extralen) + break; + + if (length > 3 && ms_ep->bDescriptorType == USB_DT_CS_ENDPOINT && ms_ep->bDescriptorSubtype == UAC_MS_GENERAL) return ms_ep; - if (!extra[0]) - break; - extralen -= extra[0]; - extra += extra[0]; + extralen -= length; + extra += length; } return NULL; } diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c index 5dd1cbe29d12bb..0d73775966b76d 100644 --- a/sound/usb/misc/ua101.c +++ b/sound/usb/misc/ua101.c @@ -915,8 +915,9 @@ find_format_descriptor(struct usb_interface *interface) struct uac_format_type_i_discrete_descriptor *desc; desc = (struct uac_format_type_i_discrete_descriptor *)extra; - if (desc->bLength > extralen) { - dev_err(&interface->dev, "descriptor overflow\n"); + if (desc->bLength < sizeof(struct usb_descriptor_header) || + desc->bLength > extralen) { + dev_err(&interface->dev, "invalid descriptor length\n"); return NULL; } if (desc->bLength == UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(1) && @@ -995,6 +996,13 @@ static int detect_usb_format(struct ua101 *ua) ua->capture.channels = fmt_capture->bNrChannels; ua->playback.channels = fmt_playback->bNrChannels; + if (!ua->capture.channels || !ua->playback.channels) { + dev_err(&ua->dev->dev, + "invalid channel count: capture %u, playback %u\n", + ua->capture.channels, ua->playback.channels); + return -EINVAL; + } + ua->capture.frame_bytes = fmt_capture->bSubframeSize * ua->capture.channels; ua->playback.frame_bytes = diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 1cbc23bcb80c21..7f64199139d311 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1199,6 +1199,13 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval, cval->min = -14208; /* Mute under it */ } break; + case USB_ID(0x31b2, 0x0111): /* MOONDROP JU Jiu */ + if (!strcmp(kctl->id.name, "PCM Playback Volume")) { + usb_audio_info(chip, + "set volume quirk for MOONDROP JU Jiu\n"); + cval->min = -10880; /* Mute under it */ + } + break; } } @@ -1741,10 +1748,11 @@ static void __build_feature_ctl(struct usb_mixer_interface *mixer, range = (cval->max - cval->min) / cval->res; /* - * There are definitely devices with a range of ~20,000, so let's be - * conservative and allow for a bit more. + * Are there devices with volume range more than 255? I use a bit more + * to be sure. 384 is a resolution magic number found on Logitech + * devices. It will definitively catch all buggy Logitech devices. */ - if (range > 65535) { + if (range > 384) { usb_audio_warn(mixer->chip, "Warning! Unlikely big volume range (=%u), cval->res is probably wrong.", range); diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index 7a4d449182d650..c796163d1e39e8 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -1420,15 +1420,17 @@ void snd_emuusb_set_samplerate(struct snd_usb_audio *chip, { struct usb_mixer_interface *mixer; struct usb_mixer_elem_info *cval; + int err; int unitid = 12; /* SampleRate ExtensionUnit ID */ list_for_each_entry(mixer, &chip->mixer_list, list) { if (mixer->id_elems[unitid]) { cval = mixer_elem_list_to_info(mixer->id_elems[unitid]); - snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, - cval->control << 8, - samplerate_id); - snd_usb_mixer_notify_id(mixer, unitid); + err = snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, + cval->control << 8, + samplerate_id); + if (!err) + snd_usb_mixer_notify_id(mixer, unitid); break; } } @@ -1923,7 +1925,7 @@ static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol, int err; reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a; - if (reg != list->kctl->private_value) + if (reg == list->kctl->private_value) return 0; kcontrol->private_value = reg; diff --git a/sound/usb/stream.c b/sound/usb/stream.c index 1bdb6a2f559667..d6fc0bc8c63180 100644 --- a/sound/usb/stream.c +++ b/sound/usb/stream.c @@ -353,6 +353,8 @@ snd_pcm_chmap_elem *convert_chmap_v3(struct uac3_cluster_header_descriptor if (len < sizeof(*cs_desc)) break; cs_len = le16_to_cpu(cs_desc->wLength); + if (cs_len < sizeof(*cs_desc)) + break; if (len < cs_len) break; cs_type = cs_desc->bSegmentType; @@ -992,7 +994,7 @@ snd_usb_get_audioformat_uac3(struct snd_usb_audio *chip, * and request Cluster Descriptor */ wLength = le16_to_cpu(hc_header.wLength); - if (wLength < sizeof(cluster)) + if (wLength < sizeof(*cluster)) return NULL; cluster = kzalloc(wLength, GFP_KERNEL); if (!cluster) diff --git a/tools/perf/util/branch.h b/tools/perf/util/branch.h index 17b2ccc61094bf..9a20b6fc8dda26 100644 --- a/tools/perf/util/branch.h +++ b/tools/perf/util/branch.h @@ -63,6 +63,9 @@ static inline struct branch_entry *perf_sample__branch_entries(struct perf_sampl { u64 *entry = (u64 *)sample->branch_stack; + if (entry == NULL) + return NULL; + entry++; if (sample->no_hw_idx) return (struct branch_entry *)entry; diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c index 53482ef53c4117..15f857fb0e7136 100644 --- a/tools/perf/util/expr.c +++ b/tools/perf/util/expr.c @@ -239,5 +239,6 @@ int expr__find_other(const char *expr, const char *one, if (one) expr__del_id(ctx, one); - return ret; + /* A positive value means syntax error, convert to -EINVAL */ + return ret > 0 ? -EINVAL : ret; } diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 9f0d36ba77f2d1..130c68dff4ce02 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -14,7 +14,6 @@ /* General helper functions */ void usage(const char *err) __noreturn; -void die(const char *err, ...) __noreturn __printf(1, 2); struct dirent; struct strlist; diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl index 512a3cc586fdd0..cadeaa54a71be3 100755 --- a/tools/testing/ktest/ktest.pl +++ b/tools/testing/ktest/ktest.pl @@ -98,6 +98,7 @@ my $test_type; my $build_type; my $build_options; my $final_post_ktest; +my $post_ktest_done = 0; my $pre_ktest; my $post_ktest; my $pre_test; @@ -1477,6 +1478,24 @@ sub get_test_name() { return $name; } +sub run_post_ktest { + my $cmd; + + return if ($post_ktest_done); + + if (defined($final_post_ktest)) { + $cmd = $final_post_ktest; + } elsif (defined($post_ktest)) { + $cmd = $post_ktest; + } else { + return; + } + + my $cp_post_ktest = eval_kernel_version($cmd); + run_command $cp_post_ktest; + $post_ktest_done = 1; +} + sub dodie { # avoid recursion @@ -1538,6 +1557,7 @@ sub dodie { if (defined($post_test)) { run_command $post_test; } + run_post_ktest; die @_, "\n"; } @@ -2419,7 +2439,7 @@ sub check_buildlog { my $save_no_reboot = $no_reboot; $no_reboot = 1; - if (-f $warnings_file) { + if (defined($warnings_file) && -f $warnings_file) { open(IN, $warnings_file) or dodie "Error opening $warnings_file"; @@ -4195,7 +4215,8 @@ sub __set_test_option { my $option = "$name\[$i\]"; - if (option_defined($option)) { + if (exists($opt{$option})) { + return undef if (!option_defined($option)); return $opt{$option}; } @@ -4203,7 +4224,8 @@ sub __set_test_option { if ($i >= $test && $i < $test + $repeat_tests{$test}) { $option = "$name\[$test\]"; - if (option_defined($option)) { + if (exists($opt{$option})) { + return undef if (!option_defined($option)); return $opt{$option}; } } @@ -4311,6 +4333,7 @@ sub cancel_test { send_email("KTEST: Your [$name] test was cancelled", "Your test started at $script_start_time was cancelled: sig int"); } + run_post_ktest; die "\nCaught Sig Int, test interrupted: $!\n" } @@ -4522,11 +4545,7 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) { success $i; } -if (defined($final_post_ktest)) { - - my $cp_final_post_ktest = eval_kernel_version $final_post_ktest; - run_command $cp_final_post_ktest; -} +run_post_ktest; if ($opt{"POWEROFF_ON_SUCCESS"}) { halt; diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c index c19a97dd02d496..07ce722b2533b3 100644 --- a/tools/testing/selftests/cgroup/test_memcontrol.c +++ b/tools/testing/selftests/cgroup/test_memcontrol.c @@ -833,8 +833,11 @@ static int tcp_server(const char *cgroup, void *arg) saddr.sin6_port = htons(srv_args->port); sk = socket(AF_INET6, SOCK_STREAM, 0); - if (sk < 0) + if (sk < 0) { + /* Pass back errno to the ctl_fd */ + write(ctl_fd, &errno, sizeof(errno)); return ret; + } if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) goto cleanup; @@ -964,6 +967,12 @@ static int test_memcg_sock(const char *root) goto cleanup; close(args.ctl[0]); + /* Skip if address family not supported by protocol */ + if (err == EAFNOSUPPORT) { + ret = KSFT_SKIP; + goto cleanup; + } + if (!err) break; if (err != EADDRINUSE) diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index 56e360e019ecc7..a3df78b7702c17 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -101,6 +101,7 @@ define INSTALL_RULE $(eval INSTALL_LIST = $(TEST_CUSTOM_PROGS)) $(INSTALL_SINGLE_RULE) $(eval INSTALL_LIST = $(TEST_GEN_PROGS_EXTENDED)) $(INSTALL_SINGLE_RULE) $(eval INSTALL_LIST = $(TEST_GEN_FILES)) $(INSTALL_SINGLE_RULE) + $(eval INSTALL_LIST = $(wildcard config settings)) $(INSTALL_SINGLE_RULE) endef install: all diff --git a/tools/testing/selftests/mqueue/setting b/tools/testing/selftests/mqueue/setting deleted file mode 100644 index a953c96aa16e1e..00000000000000 --- a/tools/testing/selftests/mqueue/setting +++ /dev/null @@ -1 +0,0 @@ -timeout=180 diff --git a/tools/testing/selftests/mqueue/settings b/tools/testing/selftests/mqueue/settings new file mode 100644 index 00000000000000..a953c96aa16e1e --- /dev/null +++ b/tools/testing/selftests/mqueue/settings @@ -0,0 +1 @@ +timeout=180