diff --git a/Documentation/process/submitting-patches.rst b/Documentation/process/submitting-patches.rst index 8ad6b93f91e6d..025272139539c 100644 --- a/Documentation/process/submitting-patches.rst +++ b/Documentation/process/submitting-patches.rst @@ -72,7 +72,7 @@ as you intend it to. The maintainer will thank you if you write your patch description in a form which can be easily pulled into Linux's source code management -system, ``git``, as a "commit log". See :ref:`explicit_in_reply_to`. +system, ``git``, as a "commit log". See :ref:`the_canonical_patch_format`. Solve only one problem per patch. If your description starts to get long, that's a sign that you probably need to split up your patch. diff --git a/Makefile b/Makefile index b8ce2ba174862..e58d682071a89 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 15 -SUBLEVEL = 44 +SUBLEVEL = 45 EXTRAVERSION = NAME = Trick or Treat diff --git a/arch/arm/boot/dts/s5pv210-aries.dtsi b/arch/arm/boot/dts/s5pv210-aries.dtsi index 160f8cd9a68da..2f57100a011a3 100644 --- a/arch/arm/boot/dts/s5pv210-aries.dtsi +++ b/arch/arm/boot/dts/s5pv210-aries.dtsi @@ -895,7 +895,7 @@ device-wakeup-gpios = <&gpg3 4 GPIO_ACTIVE_HIGH>; interrupt-parent = <&gph2>; interrupts = <5 IRQ_TYPE_LEVEL_HIGH>; - interrupt-names = "host-wake"; + interrupt-names = "host-wakeup"; }; }; diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index 0b2f684cd8ca5..a30c036577a32 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -1458,7 +1458,8 @@ static int kvm_init_vector_slots(void) base = kern_hyp_va(kvm_ksym_ref(__bp_harden_hyp_vecs)); kvm_init_vector_slot(base, HYP_VECTOR_SPECTRE_DIRECT); - if (kvm_system_needs_idmapped_vectors() && !has_vhe()) { + if (kvm_system_needs_idmapped_vectors() && + !is_protected_kvm_enabled()) { err = create_hyp_exec_mappings(__pa_symbol(__bp_harden_hyp_vecs), __BP_HARDEN_HYP_VECS_SZ, &base); if (err) diff --git a/arch/powerpc/kvm/book3s_hv_uvmem.c b/arch/powerpc/kvm/book3s_hv_uvmem.c index a7061ee3b1577..3fbe710ff8390 100644 --- a/arch/powerpc/kvm/book3s_hv_uvmem.c +++ b/arch/powerpc/kvm/book3s_hv_uvmem.c @@ -360,13 +360,15 @@ static bool kvmppc_gfn_is_uvmem_pfn(unsigned long gfn, struct kvm *kvm, static bool kvmppc_next_nontransitioned_gfn(const struct kvm_memory_slot *memslot, struct kvm *kvm, unsigned long *gfn) { - struct kvmppc_uvmem_slot *p; + struct kvmppc_uvmem_slot *p = NULL, *iter; bool ret = false; unsigned long i; - list_for_each_entry(p, &kvm->arch.uvmem_pfns, list) - if (*gfn >= p->base_pfn && *gfn < p->base_pfn + p->nr_pfns) + list_for_each_entry(iter, &kvm->arch.uvmem_pfns, list) + if (*gfn >= iter->base_pfn && *gfn < iter->base_pfn + iter->nr_pfns) { + p = iter; break; + } if (!p) return ret; /* diff --git a/arch/x86/kernel/cpu/sgx/encl.c b/arch/x86/kernel/cpu/sgx/encl.c index 7c63a1911fae9..3c24e6124d955 100644 --- a/arch/x86/kernel/cpu/sgx/encl.c +++ b/arch/x86/kernel/cpu/sgx/encl.c @@ -12,6 +12,92 @@ #include "encls.h" #include "sgx.h" +#define PCMDS_PER_PAGE (PAGE_SIZE / sizeof(struct sgx_pcmd)) +/* + * 32 PCMD entries share a PCMD page. PCMD_FIRST_MASK is used to + * determine the page index associated with the first PCMD entry + * within a PCMD page. + */ +#define PCMD_FIRST_MASK GENMASK(4, 0) + +/** + * reclaimer_writing_to_pcmd() - Query if any enclave page associated with + * a PCMD page is in process of being reclaimed. + * @encl: Enclave to which PCMD page belongs + * @start_addr: Address of enclave page using first entry within the PCMD page + * + * When an enclave page is reclaimed some Paging Crypto MetaData (PCMD) is + * stored. The PCMD data of a reclaimed enclave page contains enough + * information for the processor to verify the page at the time + * it is loaded back into the Enclave Page Cache (EPC). + * + * The backing storage to which enclave pages are reclaimed is laid out as + * follows: + * Encrypted enclave pages:SECS page:PCMD pages + * + * Each PCMD page contains the PCMD metadata of + * PAGE_SIZE/sizeof(struct sgx_pcmd) enclave pages. + * + * A PCMD page can only be truncated if it is (a) empty, and (b) not in the + * process of getting data (and thus soon being non-empty). (b) is tested with + * a check if an enclave page sharing the PCMD page is in the process of being + * reclaimed. + * + * The reclaimer sets the SGX_ENCL_PAGE_BEING_RECLAIMED flag when it + * intends to reclaim that enclave page - it means that the PCMD page + * associated with that enclave page is about to get some data and thus + * even if the PCMD page is empty, it should not be truncated. + * + * Context: Enclave mutex (&sgx_encl->lock) must be held. + * Return: 1 if the reclaimer is about to write to the PCMD page + * 0 if the reclaimer has no intention to write to the PCMD page + */ +static int reclaimer_writing_to_pcmd(struct sgx_encl *encl, + unsigned long start_addr) +{ + int reclaimed = 0; + int i; + + /* + * PCMD_FIRST_MASK is based on number of PCMD entries within + * PCMD page being 32. + */ + BUILD_BUG_ON(PCMDS_PER_PAGE != 32); + + for (i = 0; i < PCMDS_PER_PAGE; i++) { + struct sgx_encl_page *entry; + unsigned long addr; + + addr = start_addr + i * PAGE_SIZE; + + /* + * Stop when reaching the SECS page - it does not + * have a page_array entry and its reclaim is + * started and completed with enclave mutex held so + * it does not use the SGX_ENCL_PAGE_BEING_RECLAIMED + * flag. + */ + if (addr == encl->base + encl->size) + break; + + entry = xa_load(&encl->page_array, PFN_DOWN(addr)); + if (!entry) + continue; + + /* + * VA page slot ID uses same bit as the flag so it is important + * to ensure that the page is not already in backing store. + */ + if (entry->epc_page && + (entry->desc & SGX_ENCL_PAGE_BEING_RECLAIMED)) { + reclaimed = 1; + break; + } + } + + return reclaimed; +} + /* * Calculate byte offset of a PCMD struct associated with an enclave page. PCMD's * follow right after the EPC data in the backing storage. In addition to the @@ -47,6 +133,7 @@ static int __sgx_encl_eldu(struct sgx_encl_page *encl_page, unsigned long va_offset = encl_page->desc & SGX_ENCL_PAGE_VA_OFFSET_MASK; struct sgx_encl *encl = encl_page->encl; pgoff_t page_index, page_pcmd_off; + unsigned long pcmd_first_page; struct sgx_pageinfo pginfo; struct sgx_backing b; bool pcmd_page_empty; @@ -58,6 +145,11 @@ static int __sgx_encl_eldu(struct sgx_encl_page *encl_page, else page_index = PFN_DOWN(encl->size); + /* + * Address of enclave page using the first entry within the PCMD page. + */ + pcmd_first_page = PFN_PHYS(page_index & ~PCMD_FIRST_MASK) + encl->base; + page_pcmd_off = sgx_encl_get_backing_page_pcmd_offset(encl, page_index); ret = sgx_encl_get_backing(encl, page_index, &b); @@ -84,6 +176,7 @@ static int __sgx_encl_eldu(struct sgx_encl_page *encl_page, } memset(pcmd_page + b.pcmd_offset, 0, sizeof(struct sgx_pcmd)); + set_page_dirty(b.pcmd); /* * The area for the PCMD in the page was zeroed above. Check if the @@ -94,12 +187,20 @@ static int __sgx_encl_eldu(struct sgx_encl_page *encl_page, kunmap_atomic(pcmd_page); kunmap_atomic((void *)(unsigned long)pginfo.contents); - sgx_encl_put_backing(&b, false); + get_page(b.pcmd); + sgx_encl_put_backing(&b); sgx_encl_truncate_backing_page(encl, page_index); - if (pcmd_page_empty) + if (pcmd_page_empty && !reclaimer_writing_to_pcmd(encl, pcmd_first_page)) { sgx_encl_truncate_backing_page(encl, PFN_DOWN(page_pcmd_off)); + pcmd_page = kmap_atomic(b.pcmd); + if (memchr_inv(pcmd_page, 0, PAGE_SIZE)) + pr_warn("PCMD page not empty after truncate.\n"); + kunmap_atomic(pcmd_page); + } + + put_page(b.pcmd); return ret; } @@ -645,15 +746,9 @@ int sgx_encl_get_backing(struct sgx_encl *encl, unsigned long page_index, /** * sgx_encl_put_backing() - Unpin the backing storage * @backing: data for accessing backing storage for the page - * @do_write: mark pages dirty */ -void sgx_encl_put_backing(struct sgx_backing *backing, bool do_write) +void sgx_encl_put_backing(struct sgx_backing *backing) { - if (do_write) { - set_page_dirty(backing->pcmd); - set_page_dirty(backing->contents); - } - put_page(backing->pcmd); put_page(backing->contents); } diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.h index fec43ca65065b..d44e7372151f0 100644 --- a/arch/x86/kernel/cpu/sgx/encl.h +++ b/arch/x86/kernel/cpu/sgx/encl.h @@ -107,7 +107,7 @@ void sgx_encl_release(struct kref *ref); int sgx_encl_mm_add(struct sgx_encl *encl, struct mm_struct *mm); int sgx_encl_get_backing(struct sgx_encl *encl, unsigned long page_index, struct sgx_backing *backing); -void sgx_encl_put_backing(struct sgx_backing *backing, bool do_write); +void sgx_encl_put_backing(struct sgx_backing *backing); int sgx_encl_test_and_clear_young(struct mm_struct *mm, struct sgx_encl_page *page); diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c index 8471a8b9b48e8..00e09a2b933ac 100644 --- a/arch/x86/kernel/cpu/sgx/main.c +++ b/arch/x86/kernel/cpu/sgx/main.c @@ -170,6 +170,8 @@ static int __sgx_encl_ewb(struct sgx_epc_page *epc_page, void *va_slot, backing->pcmd_offset; ret = __ewb(&pginfo, sgx_get_epc_virt_addr(epc_page), va_slot); + set_page_dirty(backing->pcmd); + set_page_dirty(backing->contents); kunmap_atomic((void *)(unsigned long)(pginfo.metadata - backing->pcmd_offset)); @@ -287,6 +289,7 @@ static void sgx_reclaimer_write(struct sgx_epc_page *epc_page, sgx_encl_ewb(epc_page, backing); encl_page->epc_page = NULL; encl->secs_child_cnt--; + sgx_encl_put_backing(backing); if (!encl->secs_child_cnt && test_bit(SGX_ENCL_INITIALIZED, &encl->flags)) { ret = sgx_encl_get_backing(encl, PFN_DOWN(encl->size), @@ -299,7 +302,7 @@ static void sgx_reclaimer_write(struct sgx_epc_page *epc_page, sgx_encl_free_epc_page(encl->secs.epc_page); encl->secs.epc_page = NULL; - sgx_encl_put_backing(&secs_backing, true); + sgx_encl_put_backing(&secs_backing); } out: @@ -360,11 +363,14 @@ static void sgx_reclaim_pages(void) goto skip; page_index = PFN_DOWN(encl_page->desc - encl_page->encl->base); + + mutex_lock(&encl_page->encl->lock); ret = sgx_encl_get_backing(encl_page->encl, page_index, &backing[i]); - if (ret) + if (ret) { + mutex_unlock(&encl_page->encl->lock); goto skip; + } - mutex_lock(&encl_page->encl->lock); encl_page->desc |= SGX_ENCL_PAGE_BEING_RECLAIMED; mutex_unlock(&encl_page->encl->lock); continue; @@ -392,7 +398,6 @@ skip: encl_page = epc_page->owner; sgx_reclaimer_write(epc_page, &backing[i]); - sgx_encl_put_backing(&backing[i], true); kref_put(&encl_page->encl->refcount, sgx_encl_release); epc_page->flags &= ~SGX_EPC_PAGE_RECLAIMER_TRACKED; diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index d36b58e705b6c..9e3af56747e8f 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -188,7 +188,7 @@ void kvm_async_pf_task_wake(u32 token) { u32 key = hash_32(token, KVM_TASK_SLEEP_HASHBITS); struct kvm_task_sleep_head *b = &async_pf_sleepers[key]; - struct kvm_task_sleep_node *n; + struct kvm_task_sleep_node *n, *dummy = NULL; if (token == ~0) { apf_task_wake_all(); @@ -200,28 +200,41 @@ again: n = _find_apf_task(b, token); if (!n) { /* - * async PF was not yet handled. - * Add dummy entry for the token. + * Async #PF not yet handled, add a dummy entry for the token. + * Allocating the token must be down outside of the raw lock + * as the allocator is preemptible on PREEMPT_RT kernels. */ - n = kzalloc(sizeof(*n), GFP_ATOMIC); - if (!n) { + if (!dummy) { + raw_spin_unlock(&b->lock); + dummy = kzalloc(sizeof(*dummy), GFP_ATOMIC); + /* - * Allocation failed! Busy wait while other cpu - * handles async PF. + * Continue looping on allocation failure, eventually + * the async #PF will be handled and allocating a new + * node will be unnecessary. + */ + if (!dummy) + cpu_relax(); + + /* + * Recheck for async #PF completion before enqueueing + * the dummy token to avoid duplicate list entries. */ - raw_spin_unlock(&b->lock); - cpu_relax(); goto again; } - n->token = token; - n->cpu = smp_processor_id(); - init_swait_queue_head(&n->wq); - hlist_add_head(&n->link, &b->list); + dummy->token = token; + dummy->cpu = smp_processor_id(); + init_swait_queue_head(&dummy->wq); + hlist_add_head(&dummy->link, &b->list); + dummy = NULL; } else { apf_task_wake_one(n); } raw_spin_unlock(&b->lock); - return; + + /* A dummy token might be allocated and ultimately not used. */ + if (dummy) + kfree(dummy); } EXPORT_SYMBOL_GPL(kvm_async_pf_task_wake); diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index 556e7a3f35627..993daa6fb1287 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -750,9 +750,6 @@ int nested_svm_vmexit(struct vcpu_svm *svm) struct kvm_host_map map; int rc; - /* Triple faults in L2 should never escape. */ - WARN_ON_ONCE(kvm_check_request(KVM_REQ_TRIPLE_FAULT, vcpu)); - rc = kvm_vcpu_map(vcpu, gpa_to_gfn(svm->nested.vmcb12_gpa), &map); if (rc) { if (rc == -EINVAL) diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index c8c3212250618..4a4dc105552e3 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -676,7 +676,7 @@ static int sev_launch_measure(struct kvm *kvm, struct kvm_sev_cmd *argp) if (params.len > SEV_FW_BLOB_MAX_SIZE) return -EINVAL; - blob = kmalloc(params.len, GFP_KERNEL_ACCOUNT); + blob = kzalloc(params.len, GFP_KERNEL_ACCOUNT); if (!blob) return -ENOMEM; @@ -796,7 +796,7 @@ static int __sev_dbg_decrypt_user(struct kvm *kvm, unsigned long paddr, if (!IS_ALIGNED(dst_paddr, 16) || !IS_ALIGNED(paddr, 16) || !IS_ALIGNED(size, 16)) { - tpage = (void *)alloc_page(GFP_KERNEL); + tpage = (void *)alloc_page(GFP_KERNEL | __GFP_ZERO); if (!tpage) return -ENOMEM; @@ -1082,7 +1082,7 @@ static int sev_get_attestation_report(struct kvm *kvm, struct kvm_sev_cmd *argp) if (params.len > SEV_FW_BLOB_MAX_SIZE) return -EINVAL; - blob = kmalloc(params.len, GFP_KERNEL_ACCOUNT); + blob = kzalloc(params.len, GFP_KERNEL_ACCOUNT); if (!blob) return -ENOMEM; @@ -1164,7 +1164,7 @@ static int sev_send_start(struct kvm *kvm, struct kvm_sev_cmd *argp) return -EINVAL; /* allocate the memory to hold the session data blob */ - session_data = kmalloc(params.session_len, GFP_KERNEL_ACCOUNT); + session_data = kzalloc(params.session_len, GFP_KERNEL_ACCOUNT); if (!session_data) return -ENOMEM; @@ -1288,11 +1288,11 @@ static int sev_send_update_data(struct kvm *kvm, struct kvm_sev_cmd *argp) /* allocate memory for header and transport buffer */ ret = -ENOMEM; - hdr = kmalloc(params.hdr_len, GFP_KERNEL_ACCOUNT); + hdr = kzalloc(params.hdr_len, GFP_KERNEL_ACCOUNT); if (!hdr) goto e_unpin; - trans_data = kmalloc(params.trans_len, GFP_KERNEL_ACCOUNT); + trans_data = kzalloc(params.trans_len, GFP_KERNEL_ACCOUNT); if (!trans_data) goto e_free_hdr; diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 1546a10ecb564..5eae69c8123b2 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -4501,9 +4501,6 @@ void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 vm_exit_reason, /* trying to cancel vmlaunch/vmresume is a bug */ WARN_ON_ONCE(vmx->nested.nested_run_pending); - /* Similarly, triple faults in L2 should never escape. */ - WARN_ON_ONCE(kvm_check_request(KVM_REQ_TRIPLE_FAULT, vcpu)); - if (kvm_check_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu)) { /* * KVM_REQ_GET_NESTED_STATE_PAGES is also used to map diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 75da9c0d5ae37..23905ba3058ae 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7846,7 +7846,7 @@ int kvm_skip_emulated_instruction(struct kvm_vcpu *vcpu) } EXPORT_SYMBOL_GPL(kvm_skip_emulated_instruction); -static bool kvm_vcpu_check_breakpoint(struct kvm_vcpu *vcpu, int *r) +static bool kvm_vcpu_check_code_breakpoint(struct kvm_vcpu *vcpu, int *r) { if (unlikely(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) && (vcpu->arch.guest_debug_dr7 & DR7_BP_EN_MASK)) { @@ -7915,25 +7915,23 @@ static bool is_vmware_backdoor_opcode(struct x86_emulate_ctxt *ctxt) } /* - * Decode to be emulated instruction. Return EMULATION_OK if success. + * Decode an instruction for emulation. The caller is responsible for handling + * code breakpoints. Note, manually detecting code breakpoints is unnecessary + * (and wrong) when emulating on an intercepted fault-like exception[*], as + * code breakpoints have higher priority and thus have already been done by + * hardware. + * + * [*] Except #MC, which is higher priority, but KVM should never emulate in + * response to a machine check. */ int x86_decode_emulated_instruction(struct kvm_vcpu *vcpu, int emulation_type, void *insn, int insn_len) { - int r = EMULATION_OK; struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt; + int r; init_emulate_ctxt(vcpu); - /* - * We will reenter on the same instruction since we do not set - * complete_userspace_io. This does not handle watchpoints yet, - * those would be handled in the emulate_ops. - */ - if (!(emulation_type & EMULTYPE_SKIP) && - kvm_vcpu_check_breakpoint(vcpu, &r)) - return r; - r = x86_decode_insn(ctxt, insn, insn_len, emulation_type); trace_kvm_emulate_insn_start(vcpu); @@ -7966,6 +7964,15 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, if (!(emulation_type & EMULTYPE_NO_DECODE)) { kvm_clear_exception_queue(vcpu); + /* + * Return immediately if RIP hits a code breakpoint, such #DBs + * are fault-like and are higher priority than any faults on + * the code fetch itself. + */ + if (!(emulation_type & EMULTYPE_SKIP) && + kvm_vcpu_check_code_breakpoint(vcpu, &r)) + return r; + r = x86_decode_emulated_instruction(vcpu, emulation_type, insn, insn_len); if (r != EMULATION_OK) { diff --git a/crypto/Kconfig b/crypto/Kconfig index 55718de561375..a346b6f74bb39 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -1924,5 +1924,3 @@ source "crypto/asymmetric_keys/Kconfig" source "certs/Kconfig" endif # if CRYPTO - -source "lib/crypto/Kconfig" diff --git a/crypto/drbg.c b/crypto/drbg.c index 03c9ef768c227..761104e93d44a 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -1036,17 +1036,38 @@ static const struct drbg_state_ops drbg_hash_ops = { ******************************************************************/ static inline int __drbg_seed(struct drbg_state *drbg, struct list_head *seed, - int reseed) + int reseed, enum drbg_seed_state new_seed_state) { int ret = drbg->d_ops->update(drbg, seed, reseed); if (ret) return ret; - drbg->seeded = true; + drbg->seeded = new_seed_state; /* 10.1.1.2 / 10.1.1.3 step 5 */ drbg->reseed_ctr = 1; + switch (drbg->seeded) { + case DRBG_SEED_STATE_UNSEEDED: + /* Impossible, but handle it to silence compiler warnings. */ + fallthrough; + case DRBG_SEED_STATE_PARTIAL: + /* + * Require frequent reseeds until the seed source is + * fully initialized. + */ + drbg->reseed_threshold = 50; + break; + + case DRBG_SEED_STATE_FULL: + /* + * Seed source has become fully initialized, frequent + * reseeds no longer required. + */ + drbg->reseed_threshold = drbg_max_requests(drbg); + break; + } + return ret; } @@ -1066,12 +1087,10 @@ static inline int drbg_get_random_bytes(struct drbg_state *drbg, return 0; } -static void drbg_async_seed(struct work_struct *work) +static int drbg_seed_from_random(struct drbg_state *drbg) { struct drbg_string data; LIST_HEAD(seedlist); - struct drbg_state *drbg = container_of(work, struct drbg_state, - seed_work); unsigned int entropylen = drbg_sec_strength(drbg->core->flags); unsigned char entropy[32]; int ret; @@ -1082,26 +1101,15 @@ static void drbg_async_seed(struct work_struct *work) drbg_string_fill(&data, entropy, entropylen); list_add_tail(&data.list, &seedlist); - mutex_lock(&drbg->drbg_mutex); - ret = drbg_get_random_bytes(drbg, entropy, entropylen); if (ret) - goto unlock; - - /* Set seeded to false so that if __drbg_seed fails the - * next generate call will trigger a reseed. - */ - drbg->seeded = false; - - __drbg_seed(drbg, &seedlist, true); - - if (drbg->seeded) - drbg->reseed_threshold = drbg_max_requests(drbg); + goto out; -unlock: - mutex_unlock(&drbg->drbg_mutex); + ret = __drbg_seed(drbg, &seedlist, true, DRBG_SEED_STATE_FULL); +out: memzero_explicit(entropy, entropylen); + return ret; } /* @@ -1123,6 +1131,7 @@ static int drbg_seed(struct drbg_state *drbg, struct drbg_string *pers, unsigned int entropylen = drbg_sec_strength(drbg->core->flags); struct drbg_string data1; LIST_HEAD(seedlist); + enum drbg_seed_state new_seed_state = DRBG_SEED_STATE_FULL; /* 9.1 / 9.2 / 9.3.1 step 3 */ if (pers && pers->len > (drbg_max_addtl(drbg))) { @@ -1150,6 +1159,9 @@ static int drbg_seed(struct drbg_state *drbg, struct drbg_string *pers, BUG_ON((entropylen * 2) > sizeof(entropy)); /* Get seed from in-kernel /dev/urandom */ + if (!rng_is_initialized()) + new_seed_state = DRBG_SEED_STATE_PARTIAL; + ret = drbg_get_random_bytes(drbg, entropy, entropylen); if (ret) goto out; @@ -1206,7 +1218,7 @@ static int drbg_seed(struct drbg_state *drbg, struct drbg_string *pers, memset(drbg->C, 0, drbg_statelen(drbg)); } - ret = __drbg_seed(drbg, &seedlist, reseed); + ret = __drbg_seed(drbg, &seedlist, reseed, new_seed_state); out: memzero_explicit(entropy, entropylen * 2); @@ -1386,19 +1398,25 @@ static int drbg_generate(struct drbg_state *drbg, * here. The spec is a bit convoluted here, we make it simpler. */ if (drbg->reseed_threshold < drbg->reseed_ctr) - drbg->seeded = false; + drbg->seeded = DRBG_SEED_STATE_UNSEEDED; - if (drbg->pr || !drbg->seeded) { + if (drbg->pr || drbg->seeded == DRBG_SEED_STATE_UNSEEDED) { pr_devel("DRBG: reseeding before generation (prediction " "resistance: %s, state %s)\n", drbg->pr ? "true" : "false", - drbg->seeded ? "seeded" : "unseeded"); + (drbg->seeded == DRBG_SEED_STATE_FULL ? + "seeded" : "unseeded")); /* 9.3.1 steps 7.1 through 7.3 */ len = drbg_seed(drbg, addtl, true); if (len) goto err; /* 9.3.1 step 7.4 */ addtl = NULL; + } else if (rng_is_initialized() && + drbg->seeded == DRBG_SEED_STATE_PARTIAL) { + len = drbg_seed_from_random(drbg); + if (len) + goto err; } if (addtl && 0 < addtl->len) @@ -1491,50 +1509,15 @@ static int drbg_generate_long(struct drbg_state *drbg, return 0; } -static int drbg_schedule_async_seed(struct notifier_block *nb, unsigned long action, void *data) -{ - struct drbg_state *drbg = container_of(nb, struct drbg_state, - random_ready); - - schedule_work(&drbg->seed_work); - return 0; -} - static int drbg_prepare_hrng(struct drbg_state *drbg) { - int err; - /* We do not need an HRNG in test mode. */ if (list_empty(&drbg->test_data.list)) return 0; drbg->jent = crypto_alloc_rng("jitterentropy_rng", 0, 0); - INIT_WORK(&drbg->seed_work, drbg_async_seed); - - drbg->random_ready.notifier_call = drbg_schedule_async_seed; - err = register_random_ready_notifier(&drbg->random_ready); - - switch (err) { - case 0: - break; - - case -EALREADY: - err = 0; - fallthrough; - - default: - drbg->random_ready.notifier_call = NULL; - return err; - } - - /* - * Require frequent reseeds until the seed source is fully - * initialized. - */ - drbg->reseed_threshold = 50; - - return err; + return 0; } /* @@ -1577,7 +1560,7 @@ static int drbg_instantiate(struct drbg_state *drbg, struct drbg_string *pers, if (!drbg->core) { drbg->core = &drbg_cores[coreref]; drbg->pr = pr; - drbg->seeded = false; + drbg->seeded = DRBG_SEED_STATE_UNSEEDED; drbg->reseed_threshold = drbg_max_requests(drbg); ret = drbg_alloc_state(drbg); @@ -1628,11 +1611,6 @@ free_everything: */ static int drbg_uninstantiate(struct drbg_state *drbg) { - if (drbg->random_ready.notifier_call) { - unregister_random_ready_notifier(&drbg->random_ready); - cancel_work_sync(&drbg->seed_work); - } - if (!IS_ERR_OR_NULL(drbg->jent)) crypto_free_rng(drbg->jent); drbg->jent = NULL; diff --git a/crypto/ecrdsa.c b/crypto/ecrdsa.c index 6a3fd09057d0c..f7ed430206720 100644 --- a/crypto/ecrdsa.c +++ b/crypto/ecrdsa.c @@ -113,15 +113,15 @@ static int ecrdsa_verify(struct akcipher_request *req) /* Step 1: verify that 0 < r < q, 0 < s < q */ if (vli_is_zero(r, ndigits) || - vli_cmp(r, ctx->curve->n, ndigits) == 1 || + vli_cmp(r, ctx->curve->n, ndigits) >= 0 || vli_is_zero(s, ndigits) || - vli_cmp(s, ctx->curve->n, ndigits) == 1) + vli_cmp(s, ctx->curve->n, ndigits) >= 0) return -EKEYREJECTED; /* Step 2: calculate hash (h) of the message (passed as input) */ /* Step 3: calculate e = h \mod q */ vli_from_le64(e, digest, ndigits); - if (vli_cmp(e, ctx->curve->n, ndigits) == 1) + if (vli_cmp(e, ctx->curve->n, ndigits) >= 0) vli_sub(e, e, ctx->curve->n, ndigits); if (vli_is_zero(e, ndigits)) e[0] = 1; @@ -137,7 +137,7 @@ static int ecrdsa_verify(struct akcipher_request *req) /* Step 6: calculate point C = z_1P + z_2Q, and R = x_c \mod q */ ecc_point_mult_shamir(&cc, z1, &ctx->curve->g, z2, &ctx->pub_key, ctx->curve); - if (vli_cmp(cc.x, ctx->curve->n, ndigits) == 1) + if (vli_cmp(cc.x, ctx->curve->n, ndigits) >= 0) vli_sub(cc.x, cc.x, ctx->curve->n, ndigits); /* Step 7: if R == r signature is valid */ diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c index 8eb7fddfb9300..ed91af4319b5b 100644 --- a/drivers/bluetooth/hci_qca.c +++ b/drivers/bluetooth/hci_qca.c @@ -696,9 +696,9 @@ static int qca_close(struct hci_uart *hu) skb_queue_purge(&qca->tx_wait_q); skb_queue_purge(&qca->txq); skb_queue_purge(&qca->rx_memdump_q); - del_timer(&qca->tx_idle_timer); - del_timer(&qca->wake_retrans_timer); destroy_workqueue(qca->workqueue); + del_timer_sync(&qca->tx_idle_timer); + del_timer_sync(&qca->wake_retrans_timer); qca->hu = NULL; kfree_skb(qca->rx_skb); diff --git a/drivers/char/random.c b/drivers/char/random.c index ca17a658c2147..e2f1fce8dc977 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -163,7 +163,6 @@ int __cold register_random_ready_notifier(struct notifier_block *nb) spin_unlock_irqrestore(&random_ready_chain_lock, flags); return ret; } -EXPORT_SYMBOL(register_random_ready_notifier); /* * Delete a previously registered readiness callback function. @@ -178,7 +177,6 @@ int __cold unregister_random_ready_notifier(struct notifier_block *nb) spin_unlock_irqrestore(&random_ready_chain_lock, flags); return ret; } -EXPORT_SYMBOL(unregister_random_ready_notifier); static void __cold process_random_ready_list(void) { diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index a25815a6f6253..de92065394be9 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -400,7 +400,16 @@ ssize_t tpm2_get_tpm_pt(struct tpm_chip *chip, u32 property_id, u32 *value, if (!rc) { out = (struct tpm2_get_cap_out *) &buf.data[TPM_HEADER_SIZE]; - *value = be32_to_cpu(out->value); + /* + * To prevent failing boot up of some systems, Infineon TPM2.0 + * returns SUCCESS on TPM2_Startup in field upgrade mode. Also + * the TPM2_Getcapability command returns a zero length list + * in field upgrade mode. + */ + if (be32_to_cpu(out->property_cnt) > 0) + *value = be32_to_cpu(out->value); + else + rc = -ENODATA; } tpm_buf_destroy(&buf); return rc; diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c index 3af4c07a9342f..d3989b257f422 100644 --- a/drivers/char/tpm/tpm_ibmvtpm.c +++ b/drivers/char/tpm/tpm_ibmvtpm.c @@ -681,6 +681,7 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev, if (!wait_event_timeout(ibmvtpm->crq_queue.wq, ibmvtpm->rtce_buf != NULL, HZ)) { + rc = -ENODEV; dev_err(dev, "CRQ response timed out\n"); goto init_irq_cleanup; } diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index ca0361b2dbb07..f87aa2169e5f5 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -609,6 +609,13 @@ static bool check_version(struct fsl_mc_version *mc_version, u32 major, } #endif +static bool needs_entropy_delay_adjustment(void) +{ + if (of_machine_is_compatible("fsl,imx6sx")) + return true; + return false; +} + /* Probe routine for CAAM top (controller) level */ static int caam_probe(struct platform_device *pdev) { @@ -855,6 +862,8 @@ static int caam_probe(struct platform_device *pdev) * Also, if a handle was instantiated, do not change * the TRNG parameters. */ + if (needs_entropy_delay_adjustment()) + ent_delay = 12000; if (!(ctrlpriv->rng4_sh_init || inst_handles)) { dev_info(dev, "Entropy delay = %u\n", @@ -871,6 +880,15 @@ static int caam_probe(struct platform_device *pdev) */ ret = instantiate_rng(dev, inst_handles, gen_sk); + /* + * Entropy delay is determined via TRNG characterization. + * TRNG characterization is run across different voltages + * and temperatures. + * If worst case value for ent_dly is identified, + * the loop can be skipped for that platform. + */ + if (needs_entropy_delay_adjustment()) + break; if (ret == -EAGAIN) /* * if here, the loop will rerun, diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 57c1dda76b94a..1a27e4833adfa 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2863,7 +2863,7 @@ static void ilk_compute_wm_level(const struct drm_i915_private *dev_priv, } static void intel_read_wm_latency(struct drm_i915_private *dev_priv, - u16 wm[8]) + u16 wm[]) { struct intel_uncore *uncore = &dev_priv->uncore; diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 645a5f566d233..42b5b050b72d1 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -753,6 +753,7 @@ #define USB_DEVICE_ID_LENOVO_X1_COVER 0x6085 #define USB_DEVICE_ID_LENOVO_X1_TAB 0x60a3 #define USB_DEVICE_ID_LENOVO_X1_TAB3 0x60b5 +#define USB_DEVICE_ID_LENOVO_X12_TAB 0x60fe #define USB_DEVICE_ID_LENOVO_OPTICAL_USB_MOUSE_600E 0x600e #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_608D 0x608d #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_6019 0x6019 diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index e1afddb7b33d8..f382444dc2dba 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -2032,6 +2032,12 @@ static const struct hid_device_id mt_devices[] = { USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB3) }, + /* Lenovo X12 TAB Gen 1 */ + { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT, + HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, + USB_VENDOR_ID_LENOVO, + USB_DEVICE_ID_LENOVO_X12_TAB) }, + /* MosArt panels */ { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, MT_USB_DEVICE(USB_VENDOR_ID_ASUS, @@ -2176,6 +2182,9 @@ static const struct hid_device_id mt_devices[] = { { .driver_data = MT_CLS_GOOGLE, HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_TOUCH_ROSE) }, + { .driver_data = MT_CLS_GOOGLE, + HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, USB_VENDOR_ID_GOOGLE, + USB_DEVICE_ID_GOOGLE_WHISKERS) }, /* Generic MT device */ { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c index a6187cbec2c94..483428c5e30b9 100644 --- a/drivers/i2c/busses/i2c-ismt.c +++ b/drivers/i2c/busses/i2c-ismt.c @@ -82,6 +82,7 @@ #define ISMT_DESC_ENTRIES 2 /* number of descriptor entries */ #define ISMT_MAX_RETRIES 3 /* number of SMBus retries to attempt */ +#define ISMT_LOG_ENTRIES 3 /* number of interrupt cause log entries */ /* Hardware Descriptor Constants - Control Field */ #define ISMT_DESC_CWRL 0x01 /* Command/Write Length */ @@ -175,6 +176,8 @@ struct ismt_priv { u8 head; /* ring buffer head pointer */ struct completion cmp; /* interrupt completion */ u8 buffer[I2C_SMBUS_BLOCK_MAX + 16]; /* temp R/W data buffer */ + dma_addr_t log_dma; + u32 *log; }; static const struct pci_device_id ismt_ids[] = { @@ -411,6 +414,9 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr, memset(desc, 0, sizeof(struct ismt_desc)); desc->tgtaddr_rw = ISMT_DESC_ADDR_RW(addr, read_write); + /* Always clear the log entries */ + memset(priv->log, 0, ISMT_LOG_ENTRIES * sizeof(u32)); + /* Initialize common control bits */ if (likely(pci_dev_msi_enabled(priv->pci_dev))) desc->control = ISMT_DESC_INT | ISMT_DESC_FAIR; @@ -522,6 +528,9 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr, case I2C_SMBUS_BLOCK_PROC_CALL: dev_dbg(dev, "I2C_SMBUS_BLOCK_PROC_CALL\n"); + if (data->block[0] > I2C_SMBUS_BLOCK_MAX) + return -EINVAL; + dma_size = I2C_SMBUS_BLOCK_MAX; desc->tgtaddr_rw = ISMT_DESC_ADDR_RW(addr, 1); desc->wr_len_cmd = data->block[0] + 1; @@ -708,6 +717,8 @@ static void ismt_hw_init(struct ismt_priv *priv) /* initialize the Master Descriptor Base Address (MDBA) */ writeq(priv->io_rng_dma, priv->smba + ISMT_MSTR_MDBA); + writeq(priv->log_dma, priv->smba + ISMT_GR_SMTICL); + /* initialize the Master Control Register (MCTRL) */ writel(ISMT_MCTRL_MEIE, priv->smba + ISMT_MSTR_MCTRL); @@ -795,6 +806,12 @@ static int ismt_dev_init(struct ismt_priv *priv) priv->head = 0; init_completion(&priv->cmp); + priv->log = dmam_alloc_coherent(&priv->pci_dev->dev, + ISMT_LOG_ENTRIES * sizeof(u32), + &priv->log_dma, GFP_KERNEL); + if (!priv->log) + return -ENOMEM; + return 0; } diff --git a/drivers/i2c/busses/i2c-thunderx-pcidrv.c b/drivers/i2c/busses/i2c-thunderx-pcidrv.c index 12c90aa0900e6..a77cd86fe75ed 100644 --- a/drivers/i2c/busses/i2c-thunderx-pcidrv.c +++ b/drivers/i2c/busses/i2c-thunderx-pcidrv.c @@ -213,6 +213,7 @@ static int thunder_i2c_probe_pci(struct pci_dev *pdev, i2c->adap.bus_recovery_info = &octeon_i2c_recovery_info; i2c->adap.dev.parent = dev; i2c->adap.dev.of_node = pdev->dev.of_node; + i2c->adap.dev.fwnode = dev->fwnode; snprintf(i2c->adap.name, sizeof(i2c->adap.name), "Cavium ThunderX i2c adapter at %s", dev_name(dev)); i2c_set_adapdata(&i2c->adap, i2c); diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 154139bf7d22b..f30fd38c3773b 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -3435,6 +3435,11 @@ static int crypt_map(struct dm_target *ti, struct bio *bio) return DM_MAPIO_SUBMITTED; } +static char hex2asc(unsigned char c) +{ + return c + '0' + ((unsigned)(9 - c) >> 4 & 0x27); +} + static void crypt_status(struct dm_target *ti, status_type_t type, unsigned status_flags, char *result, unsigned maxlen) { @@ -3453,9 +3458,12 @@ static void crypt_status(struct dm_target *ti, status_type_t type, if (cc->key_size > 0) { if (cc->key_string) DMEMIT(":%u:%s", cc->key_size, cc->key_string); - else - for (i = 0; i < cc->key_size; i++) - DMEMIT("%02x", cc->key[i]); + else { + for (i = 0; i < cc->key_size; i++) { + DMEMIT("%c%c", hex2asc(cc->key[i] >> 4), + hex2asc(cc->key[i] & 0xf)); + } + } } else DMEMIT("-"); diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index e2a51c184a254..d5b8270869620 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -4478,8 +4478,6 @@ try_smaller_buffer: } if (should_write_sb) { - int r; - init_journal(ic, 0, ic->journal_sections, 0); r = dm_integrity_failed(ic); if (unlikely(r)) { diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c index 0e039a8c0bf2e..a3f2050b9c9b4 100644 --- a/drivers/md/dm-stats.c +++ b/drivers/md/dm-stats.c @@ -225,6 +225,7 @@ void dm_stats_cleanup(struct dm_stats *stats) atomic_read(&shared->in_flight[READ]), atomic_read(&shared->in_flight[WRITE])); } + cond_resched(); } dm_stat_free(&s->rcu_head); } @@ -330,6 +331,7 @@ static int dm_stats_create(struct dm_stats *stats, sector_t start, sector_t end, for (ni = 0; ni < n_entries; ni++) { atomic_set(&s->stat_shared[ni].in_flight[READ], 0); atomic_set(&s->stat_shared[ni].in_flight[WRITE], 0); + cond_resched(); } if (s->n_histogram_entries) { @@ -342,6 +344,7 @@ static int dm_stats_create(struct dm_stats *stats, sector_t start, sector_t end, for (ni = 0; ni < n_entries; ni++) { s->stat_shared[ni].tmp.histogram = hi; hi += s->n_histogram_entries + 1; + cond_resched(); } } @@ -362,6 +365,7 @@ static int dm_stats_create(struct dm_stats *stats, sector_t start, sector_t end, for (ni = 0; ni < n_entries; ni++) { p[ni].histogram = hi; hi += s->n_histogram_entries + 1; + cond_resched(); } } } @@ -497,6 +501,7 @@ static int dm_stats_list(struct dm_stats *stats, const char *program, } DMEMIT("\n"); } + cond_resched(); } mutex_unlock(&stats->mutex); @@ -774,6 +779,7 @@ static void __dm_stat_clear(struct dm_stat *s, size_t idx_start, size_t idx_end, local_irq_enable(); } } + cond_resched(); } } @@ -889,6 +895,8 @@ static int dm_stats_print(struct dm_stats *stats, int id, if (unlikely(sz + 1 >= maxlen)) goto buffer_overflow; + + cond_resched(); } if (clear) diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c index 88288c8d6bc8c..426299ceb33d7 100644 --- a/drivers/md/dm-verity-target.c +++ b/drivers/md/dm-verity-target.c @@ -1312,6 +1312,7 @@ bad: static struct target_type verity_target = { .name = "verity", + .features = DM_TARGET_IMMUTABLE, .version = {1, 8, 0}, .module = THIS_MODULE, .ctr = verity_ctr, diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index b9d062f0a02b2..e54d802ee0bb8 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -686,17 +686,17 @@ int raid5_calc_degraded(struct r5conf *conf) return degraded; } -static int has_failed(struct r5conf *conf) +static bool has_failed(struct r5conf *conf) { - int degraded; + int degraded = conf->mddev->degraded; - if (conf->mddev->reshape_position == MaxSector) - return conf->mddev->degraded > conf->max_degraded; + if (test_bit(MD_BROKEN, &conf->mddev->flags)) + return true; - degraded = raid5_calc_degraded(conf); - if (degraded > conf->max_degraded) - return 1; - return 0; + if (conf->mddev->reshape_position != MaxSector) + degraded = raid5_calc_degraded(conf); + + return degraded > conf->max_degraded; } struct stripe_head * @@ -2877,34 +2877,31 @@ static void raid5_error(struct mddev *mddev, struct md_rdev *rdev) unsigned long flags; pr_debug("raid456: error called\n"); + pr_crit("md/raid:%s: Disk failure on %s, disabling device.\n", + mdname(mddev), bdevname(rdev->bdev, b)); + spin_lock_irqsave(&conf->device_lock, flags); + set_bit(Faulty, &rdev->flags); + clear_bit(In_sync, &rdev->flags); + mddev->degraded = raid5_calc_degraded(conf); - if (test_bit(In_sync, &rdev->flags) && - mddev->degraded == conf->max_degraded) { - /* - * Don't allow to achieve failed state - * Don't try to recover this device - */ + if (has_failed(conf)) { + set_bit(MD_BROKEN, &conf->mddev->flags); conf->recovery_disabled = mddev->recovery_disabled; - spin_unlock_irqrestore(&conf->device_lock, flags); - return; + + pr_crit("md/raid:%s: Cannot continue operation (%d/%d failed).\n", + mdname(mddev), mddev->degraded, conf->raid_disks); + } else { + pr_crit("md/raid:%s: Operation continuing on %d devices.\n", + mdname(mddev), conf->raid_disks - mddev->degraded); } - set_bit(Faulty, &rdev->flags); - clear_bit(In_sync, &rdev->flags); - mddev->degraded = raid5_calc_degraded(conf); spin_unlock_irqrestore(&conf->device_lock, flags); set_bit(MD_RECOVERY_INTR, &mddev->recovery); set_bit(Blocked, &rdev->flags); set_mask_bits(&mddev->sb_flags, 0, BIT(MD_SB_CHANGE_DEVS) | BIT(MD_SB_CHANGE_PENDING)); - pr_crit("md/raid:%s: Disk failure on %s, disabling device.\n" - "md/raid:%s: Operation continuing on %d devices.\n", - mdname(mddev), - bdevname(rdev->bdev, b), - mdname(mddev), - conf->raid_disks - mddev->degraded); r5c_update_on_rdev_error(mddev, rdev); } diff --git a/drivers/media/i2c/imx412.c b/drivers/media/i2c/imx412.c index be3f6ea555597..84279a6808730 100644 --- a/drivers/media/i2c/imx412.c +++ b/drivers/media/i2c/imx412.c @@ -1011,7 +1011,7 @@ static int imx412_power_on(struct device *dev) struct imx412 *imx412 = to_imx412(sd); int ret; - gpiod_set_value_cansleep(imx412->reset_gpio, 1); + gpiod_set_value_cansleep(imx412->reset_gpio, 0); ret = clk_prepare_enable(imx412->inclk); if (ret) { @@ -1024,7 +1024,7 @@ static int imx412_power_on(struct device *dev) return 0; error_reset: - gpiod_set_value_cansleep(imx412->reset_gpio, 0); + gpiod_set_value_cansleep(imx412->reset_gpio, 1); return ret; } @@ -1040,10 +1040,10 @@ static int imx412_power_off(struct device *dev) struct v4l2_subdev *sd = dev_get_drvdata(dev); struct imx412 *imx412 = to_imx412(sd); - gpiod_set_value_cansleep(imx412->reset_gpio, 0); - clk_disable_unprepare(imx412->inclk); + gpiod_set_value_cansleep(imx412->reset_gpio, 1); + return 0; } diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index e1df2dc810a28..0b833572205f3 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -1910,6 +1910,11 @@ static int ftgmac100_probe(struct platform_device *pdev) /* AST2400 doesn't have working HW checksum generation */ if (np && (of_device_is_compatible(np, "aspeed,ast2400-mac"))) netdev->hw_features &= ~NETIF_F_HW_CSUM; + + /* AST2600 tx checksum with NCSI is broken */ + if (priv->use_ncsi && of_device_is_compatible(np, "aspeed,ast2600-mac")) + netdev->hw_features &= ~NETIF_F_HW_CSUM; + if (np && of_get_property(np, "no-hw-checksum", NULL)) netdev->hw_features &= ~(NETIF_F_HW_CSUM | NETIF_F_RXCSUM); netdev->features |= netdev->hw_features; diff --git a/drivers/net/ipa/ipa_endpoint.c b/drivers/net/ipa/ipa_endpoint.c index 87e42db1b61e6..477eb4051bed7 100644 --- a/drivers/net/ipa/ipa_endpoint.c +++ b/drivers/net/ipa/ipa_endpoint.c @@ -722,13 +722,15 @@ static void ipa_endpoint_init_aggr(struct ipa_endpoint *endpoint) if (endpoint->data->aggregation) { if (!endpoint->toward_ipa) { + u32 buffer_size; bool close_eof; u32 limit; val |= u32_encode_bits(IPA_ENABLE_AGGR, AGGR_EN_FMASK); val |= u32_encode_bits(IPA_GENERIC, AGGR_TYPE_FMASK); - limit = ipa_aggr_size_kb(IPA_RX_BUFFER_SIZE); + buffer_size = IPA_RX_BUFFER_SIZE - NET_SKB_PAD; + limit = ipa_aggr_size_kb(buffer_size); val |= aggr_byte_limit_encoded(version, limit); limit = IPA_AGGR_TIME_LIMIT; diff --git a/drivers/nfc/pn533/pn533.c b/drivers/nfc/pn533/pn533.c index d32aec0c334fe..6dc0af63440f4 100644 --- a/drivers/nfc/pn533/pn533.c +++ b/drivers/nfc/pn533/pn533.c @@ -2789,13 +2789,14 @@ void pn53x_common_clean(struct pn533 *priv) { struct pn533_cmd *cmd, *n; + /* delete the timer before cleanup the worker */ + del_timer_sync(&priv->listen_timer); + flush_delayed_work(&priv->poll_work); destroy_workqueue(priv->wq); skb_queue_purge(&priv->resp_q); - del_timer(&priv->listen_timer); - list_for_each_entry_safe(cmd, n, &priv->cmd_queue, queue) { list_del(&cmd->queue); kfree(cmd); diff --git a/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c b/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c index 2801ca7062732..68a5b627fb9b2 100644 --- a/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c +++ b/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c @@ -204,7 +204,7 @@ static const struct sunxi_desc_pin suniv_f1c100s_pins[] = { SUNXI_FUNCTION(0x0, "gpio_in"), SUNXI_FUNCTION(0x1, "gpio_out"), SUNXI_FUNCTION(0x2, "lcd"), /* D20 */ - SUNXI_FUNCTION(0x3, "lvds1"), /* RX */ + SUNXI_FUNCTION(0x3, "uart2"), /* RX */ SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 14)), SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 15), SUNXI_FUNCTION(0x0, "gpio_in"), diff --git a/fs/exfat/balloc.c b/fs/exfat/balloc.c index cc5cffc4a7691..e2113e0a848c4 100644 --- a/fs/exfat/balloc.c +++ b/fs/exfat/balloc.c @@ -148,7 +148,9 @@ int exfat_set_bitmap(struct inode *inode, unsigned int clu, bool sync) struct super_block *sb = inode->i_sb; struct exfat_sb_info *sbi = EXFAT_SB(sb); - WARN_ON(clu < EXFAT_FIRST_CLUSTER); + if (!is_valid_cluster(sbi, clu)) + return -EINVAL; + ent_idx = CLUSTER_TO_BITMAP_ENT(clu); i = BITMAP_OFFSET_SECTOR_INDEX(sb, ent_idx); b = BITMAP_OFFSET_BIT_IN_SECTOR(sb, ent_idx); @@ -166,7 +168,9 @@ void exfat_clear_bitmap(struct inode *inode, unsigned int clu, bool sync) struct exfat_sb_info *sbi = EXFAT_SB(sb); struct exfat_mount_options *opts = &sbi->options; - WARN_ON(clu < EXFAT_FIRST_CLUSTER); + if (!is_valid_cluster(sbi, clu)) + return; + ent_idx = CLUSTER_TO_BITMAP_ENT(clu); i = BITMAP_OFFSET_SECTOR_INDEX(sb, ent_idx); b = BITMAP_OFFSET_BIT_IN_SECTOR(sb, ent_idx); diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h index 1d6da61157c93..9f82a8a835eec 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -381,6 +381,14 @@ static inline int exfat_sector_to_cluster(struct exfat_sb_info *sbi, EXFAT_RESERVED_CLUSTERS; } +static inline bool is_valid_cluster(struct exfat_sb_info *sbi, + unsigned int clus) +{ + if (clus < EXFAT_FIRST_CLUSTER || sbi->num_clusters <= clus) + return false; + return true; +} + /* super.c */ int exfat_set_volume_dirty(struct super_block *sb); int exfat_clear_volume_dirty(struct super_block *sb); diff --git a/fs/exfat/fatent.c b/fs/exfat/fatent.c index e949e563443c9..421c273531049 100644 --- a/fs/exfat/fatent.c +++ b/fs/exfat/fatent.c @@ -81,14 +81,6 @@ int exfat_ent_set(struct super_block *sb, unsigned int loc, return 0; } -static inline bool is_valid_cluster(struct exfat_sb_info *sbi, - unsigned int clus) -{ - if (clus < EXFAT_FIRST_CLUSTER || sbi->num_clusters <= clus) - return false; - return true; -} - int exfat_ent_get(struct super_block *sb, unsigned int loc, unsigned int *content) { diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index c8845242d4225..fbfe293af72c9 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -834,6 +834,7 @@ static inline bool nfs_error_is_fatal_on_server(int err) case 0: case -ERESTARTSYS: case -EINTR: + case -ENOMEM: return false; } return nfs_error_is_fatal(err); diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 181bc3d9f5663..f9e2fa9cfbec5 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -7299,16 +7299,12 @@ nfsd4_release_lockowner(struct svc_rqst *rqstp, if (sop->so_is_open_owner || !same_owner_str(sop, owner)) continue; - /* see if there are still any locks associated with it */ - lo = lockowner(sop); - list_for_each_entry(stp, &sop->so_stateids, st_perstateowner) { - if (check_for_locks(stp->st_stid.sc_file, lo)) { - status = nfserr_locks_held; - spin_unlock(&clp->cl_lock); - return status; - } + if (atomic_read(&sop->so_count) != 1) { + spin_unlock(&clp->cl_lock); + return nfserr_locks_held; } + lo = lockowner(sop); nfs4_get_stateowner(sop); break; } diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c index d41d76979e121..7f85ec83e196f 100644 --- a/fs/ntfs3/super.c +++ b/fs/ntfs3/super.c @@ -668,9 +668,11 @@ static u32 format_size_gb(const u64 bytes, u32 *mb) static u32 true_sectors_per_clst(const struct NTFS_BOOT *boot) { - return boot->sectors_per_clusters <= 0x80 - ? boot->sectors_per_clusters - : (1u << (0 - boot->sectors_per_clusters)); + if (boot->sectors_per_clusters <= 0x80) + return boot->sectors_per_clusters; + if (boot->sectors_per_clusters >= 0xf4) /* limit shift to 2MB max */ + return 1U << (0 - boot->sectors_per_clusters); + return -EINVAL; } /* @@ -713,6 +715,8 @@ static int ntfs_init_from_boot(struct super_block *sb, u32 sector_size, /* cluster size: 512, 1K, 2K, 4K, ... 2M */ sct_per_clst = true_sectors_per_clst(boot); + if ((int)sct_per_clst < 0) + goto out; if (!is_power_of_2(sct_per_clst)) goto out; diff --git a/fs/pipe.c b/fs/pipe.c index 751d5b36c84bb..e08f0fe55584b 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -652,7 +652,7 @@ pipe_poll(struct file *filp, poll_table *wait) unsigned int head, tail; /* Epoll has some historical nasty semantics, this enables them */ - pipe->poll_usage = 1; + WRITE_ONCE(pipe->poll_usage, true); /* * Reading pipe state only -- no need for acquiring the semaphore. @@ -1244,30 +1244,33 @@ unsigned int round_pipe_size(unsigned long size) /* * Resize the pipe ring to a number of slots. + * + * Note the pipe can be reduced in capacity, but only if the current + * occupancy doesn't exceed nr_slots; if it does, EBUSY will be + * returned instead. */ int pipe_resize_ring(struct pipe_inode_info *pipe, unsigned int nr_slots) { struct pipe_buffer *bufs; unsigned int head, tail, mask, n; - /* - * We can shrink the pipe, if arg is greater than the ring occupancy. - * Since we don't expect a lot of shrink+grow operations, just free and - * allocate again like we would do for growing. If the pipe currently - * contains more buffers than arg, then return busy. - */ - mask = pipe->ring_size - 1; - head = pipe->head; - tail = pipe->tail; - n = pipe_occupancy(pipe->head, pipe->tail); - if (nr_slots < n) - return -EBUSY; - bufs = kcalloc(nr_slots, sizeof(*bufs), GFP_KERNEL_ACCOUNT | __GFP_NOWARN); if (unlikely(!bufs)) return -ENOMEM; + spin_lock_irq(&pipe->rd_wait.lock); + mask = pipe->ring_size - 1; + head = pipe->head; + tail = pipe->tail; + + n = pipe_occupancy(head, tail); + if (nr_slots < n) { + spin_unlock_irq(&pipe->rd_wait.lock); + kfree(bufs); + return -EBUSY; + } + /* * The pipe array wraps around, so just start the new one at zero * and adjust the indices. @@ -1299,6 +1302,8 @@ int pipe_resize_ring(struct pipe_inode_info *pipe, unsigned int nr_slots) pipe->tail = tail; pipe->head = head; + spin_unlock_irq(&pipe->rd_wait.lock); + /* This might have made more room for writers */ wake_up_interruptible(&pipe->wr_wait); return 0; diff --git a/include/crypto/drbg.h b/include/crypto/drbg.h index 88e4d145f7cda..a6c3b8e7deb64 100644 --- a/include/crypto/drbg.h +++ b/include/crypto/drbg.h @@ -105,6 +105,12 @@ struct drbg_test_data { struct drbg_string *testentropy; /* TEST PARAMETER: test entropy */ }; +enum drbg_seed_state { + DRBG_SEED_STATE_UNSEEDED, + DRBG_SEED_STATE_PARTIAL, /* Seeded with !rng_is_initialized() */ + DRBG_SEED_STATE_FULL, +}; + struct drbg_state { struct mutex drbg_mutex; /* lock around DRBG */ unsigned char *V; /* internal state 10.1.1.1 1a) */ @@ -127,16 +133,14 @@ struct drbg_state { struct crypto_wait ctr_wait; /* CTR mode async wait obj */ struct scatterlist sg_in, sg_out; /* CTR mode SGLs */ - bool seeded; /* DRBG fully seeded? */ + enum drbg_seed_state seeded; /* DRBG fully seeded? */ bool pr; /* Prediction resistance enabled? */ bool fips_primed; /* Continuous test primed? */ unsigned char *prev; /* FIPS 140-2 continuous test value */ - struct work_struct seed_work; /* asynchronous seeding support */ struct crypto_rng *jent; const struct drbg_state_ops *d_ops; const struct drbg_core *core; struct drbg_string test_data; - struct notifier_block random_ready; }; static inline __u8 drbg_statelen(struct drbg_state *drbg) diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index fc5642431b923..c0b6ec6bf65b7 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -71,7 +71,7 @@ struct pipe_inode_info { unsigned int files; unsigned int r_counter; unsigned int w_counter; - unsigned int poll_usage; + bool poll_usage; struct page *tmp_page; struct fasync_struct *fasync_readers; struct fasync_struct *fasync_writers; diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h index 13807ea94cd2b..2d524782f53b7 100644 --- a/include/net/netfilter/nf_conntrack_core.h +++ b/include/net/netfilter/nf_conntrack_core.h @@ -58,8 +58,13 @@ static inline int nf_conntrack_confirm(struct sk_buff *skb) int ret = NF_ACCEPT; if (ct) { - if (!nf_ct_is_confirmed(ct)) + if (!nf_ct_is_confirmed(ct)) { ret = __nf_conntrack_confirm(skb); + + if (ret == NF_ACCEPT) + ct = (struct nf_conn *)skb_nfct(skb); + } + if (likely(ret == NF_ACCEPT)) nf_ct_deliver_cached_events(ct); } diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c index fc0f77f91224b..7efae3af62017 100644 --- a/kernel/bpf/stackmap.c +++ b/kernel/bpf/stackmap.c @@ -119,7 +119,6 @@ static struct bpf_map *stack_map_alloc(union bpf_attr *attr) return ERR_PTR(-E2BIG); cost = n_buckets * sizeof(struct stack_map_bucket *) + sizeof(*smap); - cost += n_buckets * (value_size + sizeof(struct stack_map_bucket)); smap = bpf_map_area_alloc(cost, bpf_map_attr_numa_node(attr)); if (!smap) return ERR_PTR(-ENOMEM); diff --git a/kernel/bpf/trampoline.c b/kernel/bpf/trampoline.c index 2660fbced9ad4..4fa75791b45e2 100644 --- a/kernel/bpf/trampoline.c +++ b/kernel/bpf/trampoline.c @@ -414,7 +414,7 @@ int bpf_trampoline_link_prog(struct bpf_prog *prog, struct bpf_trampoline *tr) { enum bpf_tramp_prog_type kind; int err = 0; - int cnt; + int cnt = 0, i; kind = bpf_attach_type_to_tramp(prog); mutex_lock(&tr->mutex); @@ -425,7 +425,10 @@ int bpf_trampoline_link_prog(struct bpf_prog *prog, struct bpf_trampoline *tr) err = -EBUSY; goto out; } - cnt = tr->progs_cnt[BPF_TRAMP_FENTRY] + tr->progs_cnt[BPF_TRAMP_FEXIT]; + + for (i = 0; i < BPF_TRAMP_MAX; i++) + cnt += tr->progs_cnt[i]; + if (kind == BPF_TRAMP_REPLACE) { /* Cannot attach extension if fentry/fexit are in use. */ if (cnt) { @@ -503,16 +506,19 @@ out: void bpf_trampoline_put(struct bpf_trampoline *tr) { + int i; + if (!tr) return; mutex_lock(&trampoline_mutex); if (!refcount_dec_and_test(&tr->refcnt)) goto out; WARN_ON_ONCE(mutex_is_locked(&tr->mutex)); - if (WARN_ON_ONCE(!hlist_empty(&tr->progs_hlist[BPF_TRAMP_FENTRY]))) - goto out; - if (WARN_ON_ONCE(!hlist_empty(&tr->progs_hlist[BPF_TRAMP_FEXIT]))) - goto out; + + for (i = 0; i < BPF_TRAMP_MAX; i++) + if (WARN_ON_ONCE(!hlist_empty(&tr->progs_hlist[i]))) + goto out; + /* This code will be executed even when the last bpf_tramp_image * is alive. All progs are detached from the trampoline and the * trampoline image is patched with jmp into epilogue to skip diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index d2b119b4fbe74..25ee8d9572c6f 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -4587,6 +4587,11 @@ static int check_helper_mem_access(struct bpf_verifier_env *env, int regno, return check_packet_access(env, regno, reg->off, access_size, zero_size_allowed); case PTR_TO_MAP_KEY: + if (meta && meta->raw_mode) { + verbose(env, "R%d cannot write into %s\n", regno, + reg_type_str(env, reg->type)); + return -EACCES; + } return check_mem_region_access(env, regno, reg->off, access_size, reg->map_ptr->key_size, false); case PTR_TO_MAP_VALUE: @@ -4597,13 +4602,23 @@ static int check_helper_mem_access(struct bpf_verifier_env *env, int regno, return check_map_access(env, regno, reg->off, access_size, zero_size_allowed); case PTR_TO_MEM: + if (type_is_rdonly_mem(reg->type)) { + if (meta && meta->raw_mode) { + verbose(env, "R%d cannot write into %s\n", regno, + reg_type_str(env, reg->type)); + return -EACCES; + } + } return check_mem_region_access(env, regno, reg->off, access_size, reg->mem_size, zero_size_allowed); case PTR_TO_BUF: if (type_is_rdonly_mem(reg->type)) { - if (meta && meta->raw_mode) + if (meta && meta->raw_mode) { + verbose(env, "R%d cannot write into %s\n", regno, + reg_type_str(env, reg->type)); return -EACCES; + } buf_info = "rdonly"; max_access = &env->prog->aux->max_rdonly_access; diff --git a/lib/Kconfig b/lib/Kconfig index fa4b10322efcd..e052f843afedc 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -121,6 +121,8 @@ config INDIRECT_IOMEM_FALLBACK mmio accesses when the IO memory address is not a registered emulated region. +source "lib/crypto/Kconfig" + config CRC_CCITT tristate "CRC-CCITT functions" help diff --git a/lib/assoc_array.c b/lib/assoc_array.c index 04c98799c3baf..70304b8f15ace 100644 --- a/lib/assoc_array.c +++ b/lib/assoc_array.c @@ -1462,6 +1462,7 @@ int assoc_array_gc(struct assoc_array *array, struct assoc_array_ptr *cursor, *ptr; struct assoc_array_ptr *new_root, *new_parent, **new_ptr_pp; unsigned long nr_leaves_on_tree; + bool retained; int keylen, slot, nr_free, next_slot, i; pr_devel("-->%s()\n", __func__); @@ -1538,6 +1539,7 @@ continue_node: goto descend; } +retry_compress: pr_devel("-- compress node %p --\n", new_n); /* Count up the number of empty slots in this node and work out the @@ -1555,6 +1557,7 @@ continue_node: pr_devel("free=%d, leaves=%lu\n", nr_free, new_n->nr_leaves_on_branch); /* See what we can fold in */ + retained = false; next_slot = 0; for (slot = 0; slot < ASSOC_ARRAY_FAN_OUT; slot++) { struct assoc_array_shortcut *s; @@ -1604,9 +1607,14 @@ continue_node: pr_devel("[%d] retain node %lu/%d [nx %d]\n", slot, child->nr_leaves_on_branch, nr_free + 1, next_slot); + retained = true; } } + if (retained && new_n->nr_leaves_on_branch <= ASSOC_ARRAY_FAN_OUT) { + pr_devel("internal nodes remain despite enough space, retrying\n"); + goto retry_compress; + } pr_devel("after: %lu\n", new_n->nr_leaves_on_branch); nr_leaves_on_tree = new_n->nr_leaves_on_branch; diff --git a/lib/crypto/Kconfig b/lib/crypto/Kconfig index 8620f38e117c0..e8e525650cf29 100644 --- a/lib/crypto/Kconfig +++ b/lib/crypto/Kconfig @@ -1,5 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 +menu "Crypto library routines" + config CRYPTO_LIB_AES tristate @@ -31,7 +33,7 @@ config CRYPTO_ARCH_HAVE_LIB_CHACHA config CRYPTO_LIB_CHACHA_GENERIC tristate - select CRYPTO_ALGAPI + select XOR_BLOCKS help This symbol can be depended upon by arch implementations of the ChaCha library interface that require the generic code as a @@ -40,7 +42,8 @@ config CRYPTO_LIB_CHACHA_GENERIC of CRYPTO_LIB_CHACHA. config CRYPTO_LIB_CHACHA - tristate + tristate "ChaCha library interface" + depends on CRYPTO depends on CRYPTO_ARCH_HAVE_LIB_CHACHA || !CRYPTO_ARCH_HAVE_LIB_CHACHA select CRYPTO_LIB_CHACHA_GENERIC if CRYPTO_ARCH_HAVE_LIB_CHACHA=n help @@ -65,7 +68,7 @@ config CRYPTO_LIB_CURVE25519_GENERIC of CRYPTO_LIB_CURVE25519. config CRYPTO_LIB_CURVE25519 - tristate + tristate "Curve25519 scalar multiplication library" depends on CRYPTO_ARCH_HAVE_LIB_CURVE25519 || !CRYPTO_ARCH_HAVE_LIB_CURVE25519 select CRYPTO_LIB_CURVE25519_GENERIC if CRYPTO_ARCH_HAVE_LIB_CURVE25519=n help @@ -100,7 +103,7 @@ config CRYPTO_LIB_POLY1305_GENERIC of CRYPTO_LIB_POLY1305. config CRYPTO_LIB_POLY1305 - tristate + tristate "Poly1305 library interface" depends on CRYPTO_ARCH_HAVE_LIB_POLY1305 || !CRYPTO_ARCH_HAVE_LIB_POLY1305 select CRYPTO_LIB_POLY1305_GENERIC if CRYPTO_ARCH_HAVE_LIB_POLY1305=n help @@ -109,14 +112,18 @@ config CRYPTO_LIB_POLY1305 is available and enabled. config CRYPTO_LIB_CHACHA20POLY1305 - tristate + tristate "ChaCha20-Poly1305 AEAD support (8-byte nonce library version)" depends on CRYPTO_ARCH_HAVE_LIB_CHACHA || !CRYPTO_ARCH_HAVE_LIB_CHACHA depends on CRYPTO_ARCH_HAVE_LIB_POLY1305 || !CRYPTO_ARCH_HAVE_LIB_POLY1305 + depends on CRYPTO select CRYPTO_LIB_CHACHA select CRYPTO_LIB_POLY1305 + select CRYPTO_ALGAPI config CRYPTO_LIB_SHA256 tristate config CRYPTO_LIB_SM4 tristate + +endmenu diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c index af9302141bcf6..e5c5315da2741 100644 --- a/lib/percpu-refcount.c +++ b/lib/percpu-refcount.c @@ -76,6 +76,7 @@ int percpu_ref_init(struct percpu_ref *ref, percpu_ref_func_t *release, data = kzalloc(sizeof(*ref->data), gfp); if (!data) { free_percpu((void __percpu *)ref->percpu_count_ptr); + ref->percpu_count_ptr = 0; return -ENOMEM; } diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index b897ce3b399a1..439deb8decbcc 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1743,11 +1743,40 @@ static enum fullness_group putback_zspage(struct size_class *class, */ static void lock_zspage(struct zspage *zspage) { - struct page *page = get_first_page(zspage); + struct page *curr_page, *page; - do { - lock_page(page); - } while ((page = get_next_page(page)) != NULL); + /* + * Pages we haven't locked yet can be migrated off the list while we're + * trying to lock them, so we need to be careful and only attempt to + * lock each page under migrate_read_lock(). Otherwise, the page we lock + * may no longer belong to the zspage. This means that we may wait for + * the wrong page to unlock, so we must take a reference to the page + * prior to waiting for it to unlock outside migrate_read_lock(). + */ + while (1) { + migrate_read_lock(zspage); + page = get_first_page(zspage); + if (trylock_page(page)) + break; + get_page(page); + migrate_read_unlock(zspage); + wait_on_page_locked(page); + put_page(page); + } + + curr_page = page; + while ((page = get_next_page(curr_page))) { + if (trylock_page(page)) { + curr_page = page; + } else { + get_page(page); + migrate_read_unlock(zspage); + wait_on_page_locked(page); + put_page(page); + migrate_read_lock(zspage); + } + } + migrate_read_unlock(zspage); } static int zs_init_fs_context(struct fs_context *fc) diff --git a/net/core/filter.c b/net/core/filter.c index 821278b906b71..707e2e48d7691 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -1688,7 +1688,7 @@ BPF_CALL_5(bpf_skb_store_bytes, struct sk_buff *, skb, u32, offset, if (unlikely(flags & ~(BPF_F_RECOMPUTE_CSUM | BPF_F_INVALIDATE_HASH))) return -EINVAL; - if (unlikely(offset > 0xffff)) + if (unlikely(offset > INT_MAX)) return -EFAULT; if (unlikely(bpf_try_make_writable(skb, offset + len))) return -EFAULT; @@ -1723,7 +1723,7 @@ BPF_CALL_4(bpf_skb_load_bytes, const struct sk_buff *, skb, u32, offset, { void *ptr; - if (unlikely(offset > 0xffff)) + if (unlikely(offset > INT_MAX)) goto err_clear; ptr = skb_header_pointer(skb, offset, len, to); diff --git a/net/key/af_key.c b/net/key/af_key.c index 92e9d75dba2f4..339d95df19d32 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -2900,7 +2900,7 @@ static int count_ah_combs(const struct xfrm_tmpl *t) break; if (!aalg->pfkey_supported) continue; - if (aalg_tmpl_set(t, aalg)) + if (aalg_tmpl_set(t, aalg) && aalg->available) sz += sizeof(struct sadb_comb); } return sz + sizeof(struct sadb_prop); @@ -2918,7 +2918,7 @@ static int count_esp_combs(const struct xfrm_tmpl *t) if (!ealg->pfkey_supported) continue; - if (!(ealg_tmpl_set(t, ealg))) + if (!(ealg_tmpl_set(t, ealg) && ealg->available)) continue; for (k = 1; ; k++) { @@ -2929,7 +2929,7 @@ static int count_esp_combs(const struct xfrm_tmpl *t) if (!aalg->pfkey_supported) continue; - if (aalg_tmpl_set(t, aalg)) + if (aalg_tmpl_set(t, aalg) && aalg->available) sz += sizeof(struct sadb_comb); } } diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 2feb88ffcd81f..79e8fc687fdd4 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -222,12 +222,18 @@ err_register: } static void nft_netdev_unregister_hooks(struct net *net, - struct list_head *hook_list) + struct list_head *hook_list, + bool release_netdev) { - struct nft_hook *hook; + struct nft_hook *hook, *next; - list_for_each_entry(hook, hook_list, list) + list_for_each_entry_safe(hook, next, hook_list, list) { nf_unregister_net_hook(net, &hook->ops); + if (release_netdev) { + list_del(&hook->list); + kfree_rcu(hook, rcu); + } + } } static int nf_tables_register_hook(struct net *net, @@ -253,9 +259,10 @@ static int nf_tables_register_hook(struct net *net, return nf_register_net_hook(net, &basechain->ops); } -static void nf_tables_unregister_hook(struct net *net, - const struct nft_table *table, - struct nft_chain *chain) +static void __nf_tables_unregister_hook(struct net *net, + const struct nft_table *table, + struct nft_chain *chain, + bool release_netdev) { struct nft_base_chain *basechain; const struct nf_hook_ops *ops; @@ -270,11 +277,19 @@ static void nf_tables_unregister_hook(struct net *net, return basechain->type->ops_unregister(net, ops); if (nft_base_chain_netdev(table->family, basechain->ops.hooknum)) - nft_netdev_unregister_hooks(net, &basechain->hook_list); + nft_netdev_unregister_hooks(net, &basechain->hook_list, + release_netdev); else nf_unregister_net_hook(net, &basechain->ops); } +static void nf_tables_unregister_hook(struct net *net, + const struct nft_table *table, + struct nft_chain *chain) +{ + return __nf_tables_unregister_hook(net, table, chain, false); +} + static void nft_trans_commit_list_add_tail(struct net *net, struct nft_trans *trans) { struct nftables_pernet *nft_net = nft_pernet(net); @@ -2778,27 +2793,31 @@ static struct nft_expr *nft_expr_init(const struct nft_ctx *ctx, err = nf_tables_expr_parse(ctx, nla, &expr_info); if (err < 0) - goto err1; + goto err_expr_parse; + + err = -EOPNOTSUPP; + if (!(expr_info.ops->type->flags & NFT_EXPR_STATEFUL)) + goto err_expr_stateful; err = -ENOMEM; expr = kzalloc(expr_info.ops->size, GFP_KERNEL); if (expr == NULL) - goto err2; + goto err_expr_stateful; err = nf_tables_newexpr(ctx, &expr_info, expr); if (err < 0) - goto err3; + goto err_expr_new; return expr; -err3: +err_expr_new: kfree(expr); -err2: +err_expr_stateful: owner = expr_info.ops->type->owner; if (expr_info.ops->type->release_ops) expr_info.ops->type->release_ops(expr_info.ops); module_put(owner); -err1: +err_expr_parse: return ERR_PTR(err); } @@ -4147,6 +4166,9 @@ static int nft_set_desc_concat_parse(const struct nlattr *attr, u32 len; int err; + if (desc->field_count >= ARRAY_SIZE(desc->field_len)) + return -E2BIG; + err = nla_parse_nested_deprecated(tb, NFTA_SET_FIELD_MAX, attr, nft_concat_policy, NULL); if (err < 0) @@ -4156,9 +4178,8 @@ static int nft_set_desc_concat_parse(const struct nlattr *attr, return -EINVAL; len = ntohl(nla_get_be32(tb[NFTA_SET_FIELD_LEN])); - - if (len * BITS_PER_BYTE / 32 > NFT_REG32_COUNT) - return -E2BIG; + if (!len || len > U8_MAX) + return -EINVAL; desc->field_len[desc->field_count++] = len; @@ -4169,7 +4190,8 @@ static int nft_set_desc_concat(struct nft_set_desc *desc, const struct nlattr *nla) { struct nlattr *attr; - int rem, err; + u32 num_regs = 0; + int rem, err, i; nla_for_each_nested(attr, nla, rem) { if (nla_type(attr) != NFTA_LIST_ELEM) @@ -4180,6 +4202,12 @@ static int nft_set_desc_concat(struct nft_set_desc *desc, return err; } + for (i = 0; i < desc->field_count; i++) + num_regs += DIV_ROUND_UP(desc->field_len[i], sizeof(u32)); + + if (num_regs > NFT_REG32_COUNT) + return -E2BIG; + return 0; } @@ -5318,9 +5346,6 @@ struct nft_expr *nft_set_elem_expr_alloc(const struct nft_ctx *ctx, return expr; err = -EOPNOTSUPP; - if (!(expr->ops->type->flags & NFT_EXPR_STATEFUL)) - goto err_set_elem_expr; - if (expr->ops->type->flags & NFT_EXPR_GC) { if (set->flags & NFT_SET_TIMEOUT) goto err_set_elem_expr; @@ -7196,13 +7221,25 @@ static void nft_unregister_flowtable_hook(struct net *net, FLOW_BLOCK_UNBIND); } -static void nft_unregister_flowtable_net_hooks(struct net *net, - struct list_head *hook_list) +static void __nft_unregister_flowtable_net_hooks(struct net *net, + struct list_head *hook_list, + bool release_netdev) { - struct nft_hook *hook; + struct nft_hook *hook, *next; - list_for_each_entry(hook, hook_list, list) + list_for_each_entry_safe(hook, next, hook_list, list) { nf_unregister_net_hook(net, &hook->ops); + if (release_netdev) { + list_del(&hook->list); + kfree_rcu(hook); + } + } +} + +static void nft_unregister_flowtable_net_hooks(struct net *net, + struct list_head *hook_list) +{ + __nft_unregister_flowtable_net_hooks(net, hook_list, false); } static int nft_register_flowtable_net_hooks(struct net *net, @@ -9595,9 +9632,10 @@ static void __nft_release_hook(struct net *net, struct nft_table *table) struct nft_chain *chain; list_for_each_entry(chain, &table->chains, list) - nf_tables_unregister_hook(net, table, chain); + __nf_tables_unregister_hook(net, table, chain, true); list_for_each_entry(flowtable, &table->flowtables, list) - nft_unregister_flowtable_net_hooks(net, &flowtable->hook_list); + __nft_unregister_flowtable_net_hooks(net, &flowtable->hook_list, + true); } static void __nft_release_hooks(struct net *net) @@ -9736,7 +9774,11 @@ static int __net_init nf_tables_init_net(struct net *net) static void __net_exit nf_tables_pre_exit_net(struct net *net) { + struct nftables_pernet *nft_net = nft_pernet(net); + + mutex_lock(&nft_net->commit_mutex); __nft_release_hooks(net); + mutex_unlock(&nft_net->commit_mutex); } static void __net_exit nf_tables_exit_net(struct net *net) diff --git a/sound/usb/clock.c b/sound/usb/clock.c index 98345a695dccb..ccca9efa7d33f 100644 --- a/sound/usb/clock.c +++ b/sound/usb/clock.c @@ -572,6 +572,17 @@ static int set_sample_rate_v2v3(struct snd_usb_audio *chip, /* continue processing */ } + /* FIXME - TEAC devices require the immediate interface setup */ + if (USB_ID_VENDOR(chip->usb_id) == 0x0644) { + bool cur_base_48k = (rate % 48000 == 0); + bool prev_base_48k = (prev_rate % 48000 == 0); + if (cur_base_48k != prev_base_48k) { + usb_set_interface(chip->dev, fmt->iface, fmt->altsetting); + if (chip->quirk_flags & QUIRK_FLAG_IFACE_DELAY) + msleep(50); + } + } + validation: /* validate clock after rate change */ if (!uac_clock_source_is_valid(chip, fmt, clock)) diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 729e26f5ac4c7..9e65a42cc9b77 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -439,16 +439,21 @@ static int configure_endpoints(struct snd_usb_audio *chip, /* stop any running stream beforehand */ if (stop_endpoints(subs, false)) sync_pending_stops(subs); + if (subs->sync_endpoint) { + err = snd_usb_endpoint_configure(chip, subs->sync_endpoint); + if (err < 0) + return err; + } err = snd_usb_endpoint_configure(chip, subs->data_endpoint); if (err < 0) return err; snd_usb_set_format_quirk(subs, subs->cur_audiofmt); - } - - if (subs->sync_endpoint) { - err = snd_usb_endpoint_configure(chip, subs->sync_endpoint); - if (err < 0) - return err; + } else { + if (subs->sync_endpoint) { + err = snd_usb_endpoint_configure(chip, subs->sync_endpoint); + if (err < 0) + return err; + } } return 0; diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 40a5e3eb4ef26..78eb41b621d63 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -2672,6 +2672,7 @@ YAMAHA_DEVICE(0x7010, "UB99"), .altset_idx = 1, .attributes = 0, .endpoint = 0x82, + .ep_idx = 1, .ep_attr = USB_ENDPOINT_XFER_ISOC, .datainterval = 1, .maxpacksize = 0x0126, @@ -2875,6 +2876,7 @@ YAMAHA_DEVICE(0x7010, "UB99"), .altset_idx = 1, .attributes = 0x4, .endpoint = 0x81, + .ep_idx = 1, .ep_attr = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, .maxpacksize = 0x130, @@ -3391,6 +3393,7 @@ YAMAHA_DEVICE(0x7010, "UB99"), .altset_idx = 1, .attributes = 0, .endpoint = 0x03, + .ep_idx = 1, .rates = SNDRV_PCM_RATE_96000, .ep_attr = USB_ENDPOINT_XFER_ISOC | USB_ENDPOINT_SYNC_ASYNC, diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index ab9f3da49941f..fbbe59054c3fb 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1822,6 +1822,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { QUIRK_FLAG_IGNORE_CTL_ERROR), DEVICE_FLG(0x06f8, 0xd002, /* Hercules DJ Console (Macintosh Edition) */ QUIRK_FLAG_IGNORE_CTL_ERROR), + DEVICE_FLG(0x0711, 0x5800, /* MCT Trigger 5 USB-to-HDMI */ + QUIRK_FLAG_GET_SAMPLE_RATE), DEVICE_FLG(0x074d, 0x3553, /* Outlaw RR2150 (Micronas UAC3553B) */ QUIRK_FLAG_GET_SAMPLE_RATE), DEVICE_FLG(0x08bb, 0x2702, /* LineX FM Transmitter */