diff --git a/Makefile b/Makefile index 8baae12a4e60e..ad598ce284944 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 4 PATCHLEVEL = 14 -SUBLEVEL = 313 +SUBLEVEL = 314 EXTRAVERSION = NAME = Petit Gorille diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi index c3440adc763ce..c1329359359a0 100644 --- a/arch/arm/boot/dts/rk3288.dtsi +++ b/arch/arm/boot/dts/rk3288.dtsi @@ -910,7 +910,7 @@ status = "disabled"; }; - spdif: sound@ff88b0000 { + spdif: sound@ff8b0000 { compatible = "rockchip,rk3288-spdif", "rockchip,rk3066-spdif"; reg = <0x0 0xff8b0000 0x0 0x10000>; #sound-dai-cells = <0>; diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 42e4cd20fbbed..7c635e4328b87 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -500,9 +500,7 @@ long arch_ptrace(struct task_struct *child, long request, } return 0; case PTRACE_GET_LAST_BREAK: - put_user(child->thread.last_break, - (unsigned long __user *) data); - return 0; + return put_user(child->thread.last_break, (unsigned long __user *)data); case PTRACE_ENABLE_TE: if (!MACHINE_HAS_TE) return -EIO; @@ -854,9 +852,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, } return 0; case PTRACE_GET_LAST_BREAK: - put_user(child->thread.last_break, - (unsigned int __user *) data); - return 0; + return put_user(child->thread.last_break, (unsigned int __user *)data); } return compat_ptrace_request(child, request, addr, data); } diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile index 2f15a2ac4209c..2040ddb824c2d 100644 --- a/arch/x86/purgatory/Makefile +++ b/arch/x86/purgatory/Makefile @@ -20,6 +20,9 @@ KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes -fno-zero-initia KBUILD_CFLAGS += -m$(BITS) KBUILD_CFLAGS += $(call cc-option,-fno-PIE) +AFLAGS_REMOVE_setup-x86_$(BITS).o += -Wa,-gdwarf-2 +AFLAGS_REMOVE_entry64.o += -Wa,-gdwarf-2 + $(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE $(call if_changed,ld) diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index e015b86be6b09..e47f9eff0115c 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -400,7 +400,7 @@ static struct iio_trigger *at91_adc_allocate_trigger(struct iio_dev *indio, trig = devm_iio_trigger_alloc(&indio->dev, "%s-dev%d-%s", indio->name, indio->id, trigger_name); if (!trig) - return NULL; + return ERR_PTR(-ENOMEM); trig->dev.parent = indio->dev.parent; iio_trigger_set_drvdata(trig, indio); diff --git a/drivers/iio/counter/104-quad-8.c b/drivers/iio/counter/104-quad-8.c index 181585ae6e171..bdb07694e2e83 100644 --- a/drivers/iio/counter/104-quad-8.c +++ b/drivers/iio/counter/104-quad-8.c @@ -64,9 +64,6 @@ static int quad8_read_raw(struct iio_dev *indio_dev, { struct quad8_iio *const priv = iio_priv(indio_dev); const int base_offset = priv->base + 2 * chan->channel; - unsigned int flags; - unsigned int borrow; - unsigned int carry; int i; switch (mask) { @@ -76,12 +73,7 @@ static int quad8_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT; } - flags = inb(base_offset + 1); - borrow = flags & BIT(0); - carry = !!(flags & BIT(1)); - - /* Borrow XOR Carry effectively doubles count range */ - *val = (borrow ^ carry) << 24; + *val = 0; /* Reset Byte Pointer; transfer Counter to Output Latch */ outb(0x11, base_offset + 1); diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c index 20ae8652adf44..0849f4d76ff20 100644 --- a/drivers/memstick/core/memstick.c +++ b/drivers/memstick/core/memstick.c @@ -416,6 +416,7 @@ static struct memstick_dev *memstick_alloc_card(struct memstick_host *host) return card; err_out: host->card = old_card; + kfree_const(card->dev.kobj.name); kfree(card); return NULL; } @@ -471,8 +472,10 @@ static void memstick_check(struct work_struct *work) put_device(&card->dev); host->card = NULL; } - } else + } else { + kfree_const(card->dev.kobj.name); kfree(card); + } } out_power_off: diff --git a/drivers/net/dsa/b53/b53_mmap.c b/drivers/net/dsa/b53/b53_mmap.c index ef63d24fef814..985eb0bbf7dbd 100644 --- a/drivers/net/dsa/b53/b53_mmap.c +++ b/drivers/net/dsa/b53/b53_mmap.c @@ -207,6 +207,18 @@ static int b53_mmap_write64(struct b53_device *dev, u8 page, u8 reg, return 0; } +static int b53_mmap_phy_read16(struct b53_device *dev, int addr, int reg, + u16 *value) +{ + return -EIO; +} + +static int b53_mmap_phy_write16(struct b53_device *dev, int addr, int reg, + u16 value) +{ + return -EIO; +} + static const struct b53_io_ops b53_mmap_ops = { .read8 = b53_mmap_read8, .read16 = b53_mmap_read16, @@ -218,6 +230,8 @@ static const struct b53_io_ops b53_mmap_ops = { .write32 = b53_mmap_write32, .write48 = b53_mmap_write48, .write64 = b53_mmap_write64, + .phy_read16 = b53_mmap_phy_read16, + .phy_write16 = b53_mmap_phy_write16, }; static int b53_mmap_probe(struct platform_device *pdev) diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index cb3ff3c2fb03f..d41ebc50eeaa2 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -5250,31 +5250,6 @@ static void e1000_watchdog_task(struct work_struct *work) ew32(TARC(0), tarc0); } - /* disable TSO for pcie and 10/100 speeds, to avoid - * some hardware issues - */ - if (!(adapter->flags & FLAG_TSO_FORCE)) { - switch (adapter->link_speed) { - case SPEED_10: - case SPEED_100: - e_info("10/100 speed: disabling TSO\n"); - netdev->features &= ~NETIF_F_TSO; - netdev->features &= ~NETIF_F_TSO6; - break; - case SPEED_1000: - netdev->features |= NETIF_F_TSO; - netdev->features |= NETIF_F_TSO6; - break; - default: - /* oops */ - break; - } - if (hw->mac.type == e1000_pch_spt) { - netdev->features &= ~NETIF_F_TSO; - netdev->features &= ~NETIF_F_TSO6; - } - } - /* enable transmits in the hardware, need to do this * after setting TARC(0) */ @@ -7211,6 +7186,32 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) NETIF_F_RXCSUM | NETIF_F_HW_CSUM); + /* disable TSO for pcie and 10/100 speeds to avoid + * some hardware issues and for i219 to fix transfer + * speed being capped at 60% + */ + if (!(adapter->flags & FLAG_TSO_FORCE)) { + switch (adapter->link_speed) { + case SPEED_10: + case SPEED_100: + e_info("10/100 speed: disabling TSO\n"); + netdev->features &= ~NETIF_F_TSO; + netdev->features &= ~NETIF_F_TSO6; + break; + case SPEED_1000: + netdev->features |= NETIF_F_TSO; + netdev->features |= NETIF_F_TSO6; + break; + default: + /* oops */ + break; + } + if (hw->mac.type == e1000_pch_spt) { + netdev->features &= ~NETIF_F_TSO; + netdev->features &= ~NETIF_F_TSO6; + } + } + /* Set user-changeable features (subset of all device features) */ netdev->hw_features = netdev->features; netdev->hw_features |= NETIF_F_RXFCS; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index de8a713db078f..50aa53988b483 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -7378,8 +7378,11 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired) pf->hw.aq.asq_last_status)); } /* reinit the misc interrupt */ - if (pf->flags & I40E_FLAG_MSIX_ENABLED) + if (pf->flags & I40E_FLAG_MSIX_ENABLED) { ret = i40e_setup_misc_vector(pf); + if (ret) + goto end_unlock; + } /* Add a filter to drop all Flow control frames from any VSI from being * transmitted. By doing so we stop a malicious VF from sending out @@ -10078,15 +10081,15 @@ static int i40e_add_vsi(struct i40e_vsi *vsi) vsi->id = ctxt.vsi_number; } - vsi->active_filters = 0; - clear_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state); spin_lock_bh(&vsi->mac_filter_hash_lock); + vsi->active_filters = 0; /* If macvlan filters already exist, force them to get loaded */ hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, hlist) { f->state = I40E_FILTER_NEW; f_count++; } spin_unlock_bh(&vsi->mac_filter_hash_lock); + clear_bit(__I40E_VSI_OVERFLOW_PROMISC, vsi->state); if (f_count) { vsi->flags |= I40E_VSI_FLAG_FILTER_CHANGED; diff --git a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv_multi.c b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv_multi.c index 0094b92a233ba..31c0d6ee81b16 100644 --- a/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv_multi.c +++ b/drivers/net/ethernet/mellanox/mlxfw/mlxfw_mfa2_tlv_multi.c @@ -62,6 +62,8 @@ mlxfw_mfa2_tlv_next(const struct mlxfw_mfa2_file *mfa2_file, if (tlv->type == MLXFW_MFA2_TLV_MULTI_PART) { multi = mlxfw_mfa2_tlv_multi_get(mfa2_file, tlv); + if (!multi) + return NULL; tlv_len = NLA_ALIGN(tlv_len + be16_to_cpu(multi->total_len)); } diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 9e18389309cf4..067ebdd0d5898 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -452,8 +452,13 @@ static struct page *xdp_linearize_page(struct receive_queue *rq, int page_off, unsigned int *len) { - struct page *page = alloc_page(GFP_ATOMIC); + int tailroom = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); + struct page *page; + if (page_off + *len + tailroom > PAGE_SIZE) + return NULL; + + page = alloc_page(GFP_ATOMIC); if (!page) return NULL; diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 252414a9293db..a141db3f0dc7c 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -991,10 +991,8 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue, /* No crossing a page as the payload mustn't fragment. */ if (unlikely((txreq.offset + txreq.size) > XEN_PAGE_SIZE)) { - netdev_err(queue->vif->dev, - "txreq.offset: %u, size: %u, end: %lu\n", - txreq.offset, txreq.size, - (unsigned long)(txreq.offset&~XEN_PAGE_MASK) + txreq.size); + netdev_err(queue->vif->dev, "Cross page boundary, txreq.offset: %u, size: %u\n", + txreq.offset, txreq.size); xenvif_fatal_tx_err(queue->vif); break; } diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 42d876034741c..bdd06b26e2de1 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -2983,7 +2983,7 @@ megasas_fw_crash_buffer_show(struct device *cdev, spin_lock_irqsave(&instance->crashdump_lock, flags); buff_offset = instance->fw_crash_buffer_offset; - if (!instance->crash_dump_buf && + if (!instance->crash_dump_buf || !((instance->fw_crash_state == AVAILABLE) || (instance->fw_crash_state == COPYING))) { dev_err(&instance->pdev->dev, diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 80ab7ef027247..5f18599b0e5fd 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -351,11 +351,18 @@ static int scsi_vpd_inquiry(struct scsi_device *sdev, unsigned char *buffer, if (result) return -EIO; - /* Sanity check that we got the page back that we asked for */ + /* + * Sanity check that we got the page back that we asked for and that + * the page size is not 0. + */ if (buffer[1] != page) return -EIO; - return get_unaligned_be16(&buffer[2]) + 4; + result = get_unaligned_be16(&buffer[2]); + if (!result) + return -EIO; + + return result + 4; } /** diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 1569fce143210..c8e8f37eb122e 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -212,7 +212,7 @@ out: /* * write the buffer to the inline inode. * If 'create' is set, we don't need to do the extra copy in the xattr - * value since it is already handled by ext4_xattr_ibody_inline_set. + * value since it is already handled by ext4_xattr_ibody_set. * That saves us one memcpy. */ static void ext4_write_inline_data(struct inode *inode, struct ext4_iloc *iloc, @@ -294,7 +294,7 @@ static int ext4_create_inline_data(handle_t *handle, BUG_ON(!is.s.not_found); - error = ext4_xattr_ibody_inline_set(handle, inode, &i, &is); + error = ext4_xattr_ibody_set(handle, inode, &i, &is); if (error) { if (error == -ENOSPC) ext4_clear_inode_state(inode, @@ -366,7 +366,7 @@ static int ext4_update_inline_data(handle_t *handle, struct inode *inode, i.value = value; i.value_len = len; - error = ext4_xattr_ibody_inline_set(handle, inode, &i, &is); + error = ext4_xattr_ibody_set(handle, inode, &i, &is); if (error) goto out; @@ -439,7 +439,7 @@ static int ext4_destroy_inline_data_nolock(handle_t *handle, if (error) goto out; - error = ext4_xattr_ibody_inline_set(handle, inode, &i, &is); + error = ext4_xattr_ibody_set(handle, inode, &i, &is); if (error) goto out; @@ -1951,8 +1951,7 @@ int ext4_inline_data_truncate(struct inode *inode, int *has_inline) i.value = value; i.value_len = i_size > EXT4_MIN_INLINE_DATA_SIZE ? i_size - EXT4_MIN_INLINE_DATA_SIZE : 0; - err = ext4_xattr_ibody_inline_set(handle, inode, - &i, &is); + err = ext4_xattr_ibody_set(handle, inode, &i, &is); if (err) goto out_error; } diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 3ee3e382015ff..4f39932ef3c8f 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -2222,7 +2222,7 @@ int ext4_xattr_ibody_find(struct inode *inode, struct ext4_xattr_info *i, return 0; } -int ext4_xattr_ibody_inline_set(handle_t *handle, struct inode *inode, +int ext4_xattr_ibody_set(handle_t *handle, struct inode *inode, struct ext4_xattr_info *i, struct ext4_xattr_ibody_find *is) { @@ -2247,30 +2247,6 @@ int ext4_xattr_ibody_inline_set(handle_t *handle, struct inode *inode, return 0; } -static int ext4_xattr_ibody_set(handle_t *handle, struct inode *inode, - struct ext4_xattr_info *i, - struct ext4_xattr_ibody_find *is) -{ - struct ext4_xattr_ibody_header *header; - struct ext4_xattr_search *s = &is->s; - int error; - - if (EXT4_I(inode)->i_extra_isize == 0) - return -ENOSPC; - error = ext4_xattr_set_entry(i, s, handle, inode, false /* is_block */); - if (error) - return error; - header = IHDR(inode, ext4_raw_inode(&is->iloc)); - if (!IS_LAST_ENTRY(s->first)) { - header->h_magic = cpu_to_le32(EXT4_XATTR_MAGIC); - ext4_set_inode_state(inode, EXT4_STATE_XATTR); - } else { - header->h_magic = cpu_to_le32(0); - ext4_clear_inode_state(inode, EXT4_STATE_XATTR); - } - return 0; -} - static int ext4_xattr_value_same(struct ext4_xattr_search *s, struct ext4_xattr_info *i) { diff --git a/fs/ext4/xattr.h b/fs/ext4/xattr.h index 2dce080d88008..3f79b88137c17 100644 --- a/fs/ext4/xattr.h +++ b/fs/ext4/xattr.h @@ -198,9 +198,9 @@ extern int ext4_xattr_ibody_find(struct inode *inode, struct ext4_xattr_info *i, extern int ext4_xattr_ibody_get(struct inode *inode, int name_index, const char *name, void *buffer, size_t buffer_size); -extern int ext4_xattr_ibody_inline_set(handle_t *handle, struct inode *inode, - struct ext4_xattr_info *i, - struct ext4_xattr_ibody_find *is); +extern int ext4_xattr_ibody_set(handle_t *handle, struct inode *inode, + struct ext4_xattr_info *i, + struct ext4_xattr_ibody_find *is); extern struct mb_cache *ext4_xattr_create_cache(void); extern void ext4_xattr_destroy_cache(struct mb_cache *); diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index 107dda8b5cb61..368b8ee5a316e 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -444,6 +444,23 @@ static int nilfs_segctor_reset_segment_buffer(struct nilfs_sc_info *sci) return 0; } +/** + * nilfs_segctor_zeropad_segsum - zero pad the rest of the segment summary area + * @sci: segment constructor object + * + * nilfs_segctor_zeropad_segsum() zero-fills unallocated space at the end of + * the current segment summary block. + */ +static void nilfs_segctor_zeropad_segsum(struct nilfs_sc_info *sci) +{ + struct nilfs_segsum_pointer *ssp; + + ssp = sci->sc_blk_cnt > 0 ? &sci->sc_binfo_ptr : &sci->sc_finfo_ptr; + if (ssp->offset < ssp->bh->b_size) + memset(ssp->bh->b_data + ssp->offset, 0, + ssp->bh->b_size - ssp->offset); +} + static int nilfs_segctor_feed_segment(struct nilfs_sc_info *sci) { sci->sc_nblk_this_inc += sci->sc_curseg->sb_sum.nblocks; @@ -452,6 +469,7 @@ static int nilfs_segctor_feed_segment(struct nilfs_sc_info *sci) * The current segment is filled up * (internal code) */ + nilfs_segctor_zeropad_segsum(sci); sci->sc_curseg = NILFS_NEXT_SEGBUF(sci->sc_curseg); return nilfs_segctor_reset_segment_buffer(sci); } @@ -556,6 +574,7 @@ static int nilfs_segctor_add_file_block(struct nilfs_sc_info *sci, goto retry; } if (unlikely(required)) { + nilfs_segctor_zeropad_segsum(sci); err = nilfs_segbuf_extend_segsum(segbuf); if (unlikely(err)) goto failed; @@ -1544,6 +1563,7 @@ static int nilfs_segctor_collect(struct nilfs_sc_info *sci, nadd = min_t(int, nadd << 1, SC_MAX_SEGDELTA); sci->sc_stage = prev_stage; } + nilfs_segctor_zeropad_segsum(sci); nilfs_segctor_truncate_segments(sci, sci->sc_curseg, nilfs->ns_sufile); return 0; diff --git a/include/net/ipv6.h b/include/net/ipv6.h index cc57e136228b4..7f7e90c1992fa 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -942,6 +942,8 @@ void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, __be16 port, void ipv6_local_error(struct sock *sk, int err, struct flowi6 *fl6, u32 info); void ipv6_local_rxpmtu(struct sock *sk, struct flowi6 *fl6, u32 mtu); +void inet6_cleanup_sock(struct sock *sk); +void inet6_sock_destruct(struct sock *sk); int inet6_release(struct socket *sock); int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len); int inet6_getname(struct socket *sock, struct sockaddr *uaddr, int *uaddr_len, diff --git a/include/net/udp.h b/include/net/udp.h index 07135de001668..d7bbb2e0c82c1 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -251,7 +251,7 @@ static inline int udp_rqueue_get(struct sock *sk) } /* net/ipv4/udp.c */ -void udp_destruct_sock(struct sock *sk); +void udp_destruct_common(struct sock *sk); void skb_consume_udp(struct sock *sk, struct sk_buff *skb, int len); int __udp_enqueue_schedule_skb(struct sock *sk, struct sk_buff *skb); void udp_skb_destructor(struct sock *sk, struct sk_buff *skb); diff --git a/include/net/udplite.h b/include/net/udplite.h index 9185e45b997ff..c59ba86668af0 100644 --- a/include/net/udplite.h +++ b/include/net/udplite.h @@ -24,14 +24,6 @@ static __inline__ int udplite_getfrag(void *from, char *to, int offset, return copy_from_iter_full(to, len, &msg->msg_iter) ? 0 : -EFAULT; } -/* Designate sk as UDP-Lite socket */ -static inline int udplite_sk_init(struct sock *sk) -{ - udp_init_sock(sk); - udp_sk(sk)->pcflag = UDPLITE_BIT; - return 0; -} - /* * Checksumming routines */ diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 7ab40491485bc..8ecfc8e68507d 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -485,7 +485,7 @@ TRACE_EVENT(f2fs_truncate_partial_nodes, TP_STRUCT__entry( __field(dev_t, dev) __field(ino_t, ino) - __field(nid_t, nid[3]) + __array(nid_t, nid, 3) __field(int, depth) __field(int, err) ), diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h index 121aa71fcb5cc..ebeae6acf747a 100644 --- a/net/dccp/dccp.h +++ b/net/dccp/dccp.h @@ -291,6 +291,7 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb, int dccp_rcv_established(struct sock *sk, struct sk_buff *skb, const struct dccp_hdr *dh, const unsigned int len); +void dccp_destruct_common(struct sock *sk); int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized); void dccp_destroy_sock(struct sock *sk); diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index b2a26e41f932f..88732ab4887c6 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -1000,6 +1000,12 @@ static const struct inet_connection_sock_af_ops dccp_ipv6_mapped = { #endif }; +static void dccp_v6_sk_destruct(struct sock *sk) +{ + dccp_destruct_common(sk); + inet6_sock_destruct(sk); +} + /* NOTE: A lot of things set to zero explicitly by call to * sk_alloc() so need not be done here. */ @@ -1012,17 +1018,12 @@ static int dccp_v6_init_sock(struct sock *sk) if (unlikely(!dccp_v6_ctl_sock_initialized)) dccp_v6_ctl_sock_initialized = 1; inet_csk(sk)->icsk_af_ops = &dccp_ipv6_af_ops; + sk->sk_destruct = dccp_v6_sk_destruct; } return err; } -static void dccp_v6_destroy_sock(struct sock *sk) -{ - dccp_destroy_sock(sk); - inet6_destroy_sock(sk); -} - static struct timewait_sock_ops dccp6_timewait_sock_ops = { .twsk_obj_size = sizeof(struct dccp6_timewait_sock), }; @@ -1045,7 +1046,7 @@ static struct proto dccp_v6_prot = { .accept = inet_csk_accept, .get_port = inet_csk_get_port, .shutdown = dccp_shutdown, - .destroy = dccp_v6_destroy_sock, + .destroy = dccp_destroy_sock, .orphan_count = &dccp_orphan_count, .max_header = MAX_DCCP_HEADER, .obj_size = sizeof(struct dccp6_sock), diff --git a/net/dccp/proto.c b/net/dccp/proto.c index e552009b6cc5e..794be8ab05f43 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -171,12 +171,18 @@ const char *dccp_packet_name(const int type) EXPORT_SYMBOL_GPL(dccp_packet_name); -static void dccp_sk_destruct(struct sock *sk) +void dccp_destruct_common(struct sock *sk) { struct dccp_sock *dp = dccp_sk(sk); ccid_hc_tx_delete(dp->dccps_hc_tx_ccid, sk); dp->dccps_hc_tx_ccid = NULL; +} +EXPORT_SYMBOL_GPL(dccp_destruct_common); + +static void dccp_sk_destruct(struct sock *sk) +{ + dccp_destruct_common(sk); inet_sock_destruct(sk); } diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 16573afc30695..21429419abb52 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1380,7 +1380,7 @@ drop: } EXPORT_SYMBOL_GPL(__udp_enqueue_schedule_skb); -void udp_destruct_sock(struct sock *sk) +void udp_destruct_common(struct sock *sk) { /* reclaim completely the forward allocated memory */ struct udp_sock *up = udp_sk(sk); @@ -1393,10 +1393,14 @@ void udp_destruct_sock(struct sock *sk) kfree_skb(skb); } udp_rmem_release(sk, total, 0, true); +} +EXPORT_SYMBOL_GPL(udp_destruct_common); +static void udp_destruct_sock(struct sock *sk) +{ + udp_destruct_common(sk); inet_sock_destruct(sk); } -EXPORT_SYMBOL_GPL(udp_destruct_sock); int udp_init_sock(struct sock *sk) { @@ -1404,7 +1408,6 @@ int udp_init_sock(struct sock *sk) sk->sk_destruct = udp_destruct_sock; return 0; } -EXPORT_SYMBOL_GPL(udp_init_sock); void skb_consume_udp(struct sock *sk, struct sk_buff *skb, int len) { diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c index 59f10fe9782e5..460379bf79890 100644 --- a/net/ipv4/udplite.c +++ b/net/ipv4/udplite.c @@ -19,6 +19,14 @@ struct udp_table udplite_table __read_mostly; EXPORT_SYMBOL(udplite_table); +/* Designate sk as UDP-Lite socket */ +static int udplite_sk_init(struct sock *sk) +{ + udp_init_sock(sk); + udp_sk(sk)->pcflag = UDPLITE_BIT; + return 0; +} + static int udplite_rcv(struct sk_buff *skb) { return __udp4_lib_rcv(skb, &udplite_table, IPPROTO_UDPLITE); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index e729c9c3aa49f..d402d438bb0a5 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -107,6 +107,13 @@ static __inline__ struct ipv6_pinfo *inet6_sk_generic(struct sock *sk) return (struct ipv6_pinfo *)(((u8 *)sk) + offset); } +void inet6_sock_destruct(struct sock *sk) +{ + inet6_cleanup_sock(sk); + inet_sock_destruct(sk); +} +EXPORT_SYMBOL_GPL(inet6_sock_destruct); + static int inet6_create(struct net *net, struct socket *sock, int protocol, int kern) { @@ -199,7 +206,7 @@ lookup_protocol: inet->hdrincl = 1; } - sk->sk_destruct = inet_sock_destruct; + sk->sk_destruct = inet6_sock_destruct; sk->sk_family = PF_INET6; sk->sk_protocol = protocol; @@ -480,6 +487,12 @@ void inet6_destroy_sock(struct sock *sk) } EXPORT_SYMBOL_GPL(inet6_destroy_sock); +void inet6_cleanup_sock(struct sock *sk) +{ + inet6_destroy_sock(sk); +} +EXPORT_SYMBOL_GPL(inet6_cleanup_sock); + /* * This does both peername and sockname. */ diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 3c099742c58ea..434a277fb6283 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -178,9 +178,6 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, if (optlen < sizeof(int)) goto e_inval; if (val == PF_INET) { - struct ipv6_txoptions *opt; - struct sk_buff *pktopt; - if (sk->sk_type == SOCK_RAW) break; @@ -211,7 +208,6 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, break; } - fl6_free_socklist(sk); __ipv6_sock_mc_close(sk); __ipv6_sock_ac_close(sk); @@ -246,14 +242,14 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, sk->sk_socket->ops = &inet_dgram_ops; sk->sk_family = PF_INET; } - opt = xchg((__force struct ipv6_txoptions **)&np->opt, - NULL); - if (opt) { - atomic_sub(opt->tot_len, &sk->sk_omem_alloc); - txopt_put(opt); - } - pktopt = xchg(&np->pktoptions, NULL); - kfree_skb(pktopt); + + /* Disable all options not to allocate memory anymore, + * but there is still a race. See the lockless path + * in udpv6_sendmsg() and ipv6_local_rxpmtu(). + */ + np->rxopt.all = 0; + + inet6_cleanup_sock(sk); /* * ... and add it to the refcnt debug socks count diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c index e17358c1adba7..d5cdba8213a44 100644 --- a/net/ipv6/ping.c +++ b/net/ipv6/ping.c @@ -26,11 +26,6 @@ #include #include -static void ping_v6_destroy(struct sock *sk) -{ - inet6_destroy_sock(sk); -} - /* Compatibility glue so we can support IPv6 when it's compiled as a module */ static int dummy_ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len) @@ -178,7 +173,6 @@ struct proto pingv6_prot = { .owner = THIS_MODULE, .init = ping_init_sock, .close = ping_close, - .destroy = ping_v6_destroy, .connect = ip6_datagram_connect_v6_only, .disconnect = __udp_disconnect, .setsockopt = ipv6_setsockopt, diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index b0eaec92d887f..f4010f9ccf237 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -1258,8 +1258,6 @@ static void raw6_destroy(struct sock *sk) lock_sock(sk); ip6_flush_pending_frames(sk); release_sock(sk); - - inet6_destroy_sock(sk); } static int rawv6_init_sk(struct sock *sk) diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index f9fcf7e70fdbf..56e7c98aac113 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1754,12 +1754,6 @@ static int tcp_v6_init_sock(struct sock *sk) return 0; } -static void tcp_v6_destroy_sock(struct sock *sk) -{ - tcp_v4_destroy_sock(sk); - inet6_destroy_sock(sk); -} - #ifdef CONFIG_PROC_FS /* Proc filesystem TCPv6 sock list dumping. */ static void get_openreq6(struct seq_file *seq, @@ -1953,7 +1947,7 @@ struct proto tcpv6_prot = { .accept = inet_csk_accept, .ioctl = tcp_ioctl, .init = tcp_v6_init_sock, - .destroy = tcp_v6_destroy_sock, + .destroy = tcp_v4_destroy_sock, .shutdown = tcp_shutdown, .setsockopt = tcp_setsockopt, .getsockopt = tcp_getsockopt, diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 0d4f82f9ebfd5..ea681360a522f 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -66,6 +66,19 @@ static bool udp6_lib_exact_dif_match(struct net *net, struct sk_buff *skb) return false; } +static void udpv6_destruct_sock(struct sock *sk) +{ + udp_destruct_common(sk); + inet6_sock_destruct(sk); +} + +int udpv6_init_sock(struct sock *sk) +{ + skb_queue_head_init(&udp_sk(sk)->reader_queue); + sk->sk_destruct = udpv6_destruct_sock; + return 0; +} + static u32 udp6_ehashfn(const struct net *net, const struct in6_addr *laddr, const u16 lport, @@ -1446,8 +1459,6 @@ void udpv6_destroy_sock(struct sock *sk) if (encap_destroy) encap_destroy(sk); } - - inet6_destroy_sock(sk); } /* @@ -1552,7 +1563,7 @@ struct proto udpv6_prot = { .connect = ip6_datagram_connect, .disconnect = udp_disconnect, .ioctl = udp_ioctl, - .init = udp_init_sock, + .init = udpv6_init_sock, .destroy = udpv6_destroy_sock, .setsockopt = udpv6_setsockopt, .getsockopt = udpv6_getsockopt, diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h index 7903e21c178b9..e5d067b09ccfa 100644 --- a/net/ipv6/udp_impl.h +++ b/net/ipv6/udp_impl.h @@ -12,6 +12,7 @@ int __udp6_lib_rcv(struct sk_buff *, struct udp_table *, int); void __udp6_lib_err(struct sk_buff *, struct inet6_skb_parm *, u8, u8, int, __be32, struct udp_table *); +int udpv6_init_sock(struct sock *sk); int udp_v6_get_port(struct sock *sk, unsigned short snum); int udpv6_getsockopt(struct sock *sk, int level, int optname, diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c index 2784cc363f2b5..1724db8bd4ff1 100644 --- a/net/ipv6/udplite.c +++ b/net/ipv6/udplite.c @@ -14,6 +14,13 @@ #include #include "udp_impl.h" +static int udplitev6_sk_init(struct sock *sk) +{ + udpv6_init_sock(sk); + udp_sk(sk)->pcflag = UDPLITE_BIT; + return 0; +} + static int udplitev6_rcv(struct sk_buff *skb) { return __udp6_lib_rcv(skb, &udplite_table, IPPROTO_UDPLITE); @@ -39,7 +46,7 @@ struct proto udplitev6_prot = { .connect = ip6_datagram_connect, .disconnect = udp_disconnect, .ioctl = udp_ioctl, - .init = udplite_sk_init, + .init = udplitev6_sk_init, .destroy = udpv6_destroy_sock, .setsockopt = udpv6_setsockopt, .getsockopt = udpv6_getsockopt, diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index 7b0963712c22f..a241ead3dd921 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -277,8 +277,6 @@ static void l2tp_ip6_destroy_sock(struct sock *sk) l2tp_tunnel_closeall(tunnel); sock_put(sk); } - - inet6_destroy_sock(sk); } static int l2tp_ip6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len) diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index 4701019768955..2832e16b6c2e1 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -432,15 +432,16 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, } else weight = 1; - if (tb[TCA_QFQ_LMAX]) { + if (tb[TCA_QFQ_LMAX]) lmax = nla_get_u32(tb[TCA_QFQ_LMAX]); - if (lmax < QFQ_MIN_LMAX || lmax > (1UL << QFQ_MTU_SHIFT)) { - pr_notice("qfq: invalid max length %u\n", lmax); - return -EINVAL; - } - } else + else lmax = psched_mtu(qdisc_dev(sch)); + if (lmax < QFQ_MIN_LMAX || lmax > (1UL << QFQ_MTU_SHIFT)) { + pr_notice("qfq: invalid max length %u\n", lmax); + return -EINVAL; + } + inv_w = ONE_FP / weight; weight = ONE_FP / inv_w; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index fac24f329c1d0..8dd368168a84a 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -4497,13 +4497,17 @@ static void sctp_destroy_sock(struct sock *sk) } /* Triggered when there are no references on the socket anymore */ -static void sctp_destruct_sock(struct sock *sk) +static void sctp_destruct_common(struct sock *sk) { struct sctp_sock *sp = sctp_sk(sk); /* Free up the HMAC transform. */ crypto_free_shash(sp->hmac); +} +static void sctp_destruct_sock(struct sock *sk) +{ + sctp_destruct_common(sk); inet_sock_destruct(sk); } @@ -8134,7 +8138,7 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk, newsk->sk_reuse = sk->sk_reuse; newsk->sk_shutdown = sk->sk_shutdown; - newsk->sk_destruct = sctp_destruct_sock; + newsk->sk_destruct = sk->sk_destruct; newsk->sk_family = sk->sk_family; newsk->sk_protocol = IPPROTO_SCTP; newsk->sk_backlog_rcv = sk->sk_prot->backlog_rcv; @@ -8351,11 +8355,20 @@ struct proto sctp_prot = { #if IS_ENABLED(CONFIG_IPV6) -#include -static void sctp_v6_destroy_sock(struct sock *sk) +static void sctp_v6_destruct_sock(struct sock *sk) +{ + sctp_destruct_common(sk); + inet6_sock_destruct(sk); +} + +static int sctp_v6_init_sock(struct sock *sk) { - sctp_destroy_sock(sk); - inet6_destroy_sock(sk); + int ret = sctp_init_sock(sk); + + if (!ret) + sk->sk_destruct = sctp_v6_destruct_sock; + + return ret; } struct proto sctpv6_prot = { @@ -8365,8 +8378,8 @@ struct proto sctpv6_prot = { .disconnect = sctp_disconnect, .accept = sctp_accept, .ioctl = sctp_ioctl, - .init = sctp_init_sock, - .destroy = sctp_v6_destroy_sock, + .init = sctp_v6_init_sock, + .destroy = sctp_destroy_sock, .shutdown = sctp_shutdown, .setsockopt = sctp_setsockopt, .getsockopt = sctp_getsockopt, diff --git a/scripts/asn1_compiler.c b/scripts/asn1_compiler.c index c1b7ef3e24c1c..15d829dd961a4 100644 --- a/scripts/asn1_compiler.c +++ b/scripts/asn1_compiler.c @@ -629,7 +629,7 @@ int main(int argc, char **argv) p = strrchr(argv[1], '/'); p = p ? p + 1 : argv[1]; grammar_name = strdup(p); - if (!p) { + if (!grammar_name) { perror(NULL); exit(1); } diff --git a/tools/testing/selftests/sigaltstack/current_stack_pointer.h b/tools/testing/selftests/sigaltstack/current_stack_pointer.h new file mode 100644 index 0000000000000..ea9bdf3a90b16 --- /dev/null +++ b/tools/testing/selftests/sigaltstack/current_stack_pointer.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#if __alpha__ +register unsigned long sp asm("$30"); +#elif __arm__ || __aarch64__ || __csky__ || __m68k__ || __mips__ || __riscv +register unsigned long sp asm("sp"); +#elif __i386__ +register unsigned long sp asm("esp"); +#elif __loongarch64 +register unsigned long sp asm("$sp"); +#elif __ppc__ +register unsigned long sp asm("r1"); +#elif __s390x__ +register unsigned long sp asm("%15"); +#elif __sh__ +register unsigned long sp asm("r15"); +#elif __x86_64__ +register unsigned long sp asm("rsp"); +#elif __XTENSA__ +register unsigned long sp asm("a1"); +#else +#error "implement current_stack_pointer equivalent" +#endif diff --git a/tools/testing/selftests/sigaltstack/sas.c b/tools/testing/selftests/sigaltstack/sas.c index 228c2ae47687d..6069d97bf5063 100644 --- a/tools/testing/selftests/sigaltstack/sas.c +++ b/tools/testing/selftests/sigaltstack/sas.c @@ -19,6 +19,7 @@ #include #include "../kselftest.h" +#include "current_stack_pointer.h" #ifndef SS_AUTODISARM #define SS_AUTODISARM (1U << 31) @@ -40,12 +41,6 @@ void my_usr1(int sig, siginfo_t *si, void *u) stack_t stk; struct stk_data *p; -#if __s390x__ - register unsigned long sp asm("%15"); -#else - register unsigned long sp asm("sp"); -#endif - if (sp < (unsigned long)sstack || sp >= (unsigned long)sstack + SIGSTKSZ) { ksft_exit_fail_msg("SP is not on sigaltstack\n");