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authorAlice Ferrazzi <alicef@gentoo.org>2023-04-26 18:35:25 +0900
committerAlice Ferrazzi <alicef@gentoo.org>2023-04-26 18:35:25 +0900
commit5b51e599cab5e515fb29636f309faf959f2ca63c (patch)
tree516b74a79faa286187343106af123f7cddca827b
parentLinux patch 4.14.313 (diff)
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Linux patch 4.14.3144.14-325
Signed-off-by: Alice Ferrazzi <alicef@gentoo.org>
-rw-r--r--0000_README4
-rw-r--r--1313_linux-4.14.314.patch1116
2 files changed, 1120 insertions, 0 deletions
diff --git a/0000_README b/0000_README
index dbc1bc22..ea9baee1 100644
--- a/0000_README
+++ b/0000_README
@@ -1295,6 +1295,10 @@ Patch: 1312_linux-4.14.313.patch
From: https://www.kernel.org
Desc: Linux 4.14.313
+Patch: 1313_linux-4.14.314.patch
+From: https://www.kernel.org
+Desc: Linux 4.14.314
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1313_linux-4.14.314.patch b/1313_linux-4.14.314.patch
new file mode 100644
index 00000000..1fdbe6ff
--- /dev/null
+++ b/1313_linux-4.14.314.patch
@@ -0,0 +1,1116 @@
+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 <net/transp_v6.h>
+ #include <net/ping.h>
+
+-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 <linux/export.h>
+ #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 <net/transp_v6.h>
+-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 <errno.h>
+
+ #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");