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linux/fs/xfs
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Darrick J. Wong ad4497a92c xfs: advance the findparent inode scan cursor while holding ILOCK 
LOLLM pointed out a race condition in xrep_findparent_scan -- the
directory live update hook holds the directory ILOCK when it calls the
xchk_iscan_want_live_update predicate to figure out if it needs to
remember the live update, but xrep_findparent_scan drops the directory
ILOCK before advancing the cursor.  Therefore, it's possible for a live
update to check the scan cursor after the scan drops the ILOCK but
before the scan updates its cursor.  If this happens, we'll fail to
record the live update.  Fix this by moving the cursor update logic
inside xrep_findparent_walk_directory.

Note that for non-directories it's ok to advance the cursor without
holding any ILOCK because the findparent scan only cares about directory
parents, not the children.

Cc: stable@vger.kernel.org # v6.10
Fixes: a07b455762 ("xfs: scan the filesystem to repair a directory dotdot entry")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Assisted-by: LOLLM # finding obvious bugs
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
2026-09-11 08:45:11 +02:00
..
libxfs xfs: fix under-reservation of blocks when repairing sf directories 2026-09-11 08:37:30 +02:00
scrub xfs: advance the findparent inode scan cursor while holding ILOCK 2026-09-11 08:45:11 +02:00
Kconfig xfs: XFS_ONLINE_SCRUB_STATS should depend on DEBUG_FS 2025-10-21 09:52:59 +02:00
Makefile xfs: split ioend handling into a separate source file 2026-08-21 09:09:54 +02:00
xfs_acl.c xfs: directly include xfs_platform.h 2026-01-21 12:57:16 +01:00
xfs_acl.h
xfs_aops.c xfs: split ioend handling into a separate source file 2026-08-21 09:09:54 +02:00
xfs_aops.h xfs: split ioend handling into a separate source file 2026-08-21 09:09:54 +02:00
xfs_attr_inactive.c xfs: close crash window in attr dabtree inactivation 2026-03-23 10:47:28 +01:00
xfs_attr_item.c xfs: remove the i_ino field in struct xfs_inode 2026-06-09 09:14:41 +02:00
xfs_attr_item.h xfs: don't use a xfs_log_iovec for attr_item names and values 2025-07-24 17:30:15 +02:00
xfs_attr_list.c xfs: remove the i_ino field in struct xfs_inode 2026-06-09 09:14:41 +02:00
xfs_bio_io.c xfs: directly include xfs_platform.h 2026-01-21 12:57:16 +01:00
xfs_bmap_item.c xfs: remove the i_ino field in struct xfs_inode 2026-06-09 09:14:41 +02:00
xfs_bmap_item.h xfs: add helpers to compute log item overhead 2025-05-07 14:25:30 -07:00
xfs_bmap_util.c xfs: add support for FALLOC_FL_WRITE_ZEROES 2026-07-22 15:12:10 +02:00
xfs_bmap_util.h xfs: add support for FALLOC_FL_WRITE_ZEROES 2026-07-22 15:12:10 +02:00
xfs_buf_item_recover.c xfs: remove _XBF_LOGRECOVERY 2026-08-10 08:34:43 +02:00
xfs_buf_item.c xfs: remove _XBF_LOGRECOVERY 2026-08-10 08:34:43 +02:00
xfs_buf_item.h xfs: remove several unused and never-implemented declarations 2026-09-07 08:21:54 +02:00
xfs_buf_mem.c xfs: switch (back) to a per-buftarg buffer hash 2026-03-30 16:34:05 +02:00
xfs_buf_mem.h
xfs_buf.c xfs: mark slab-allocated xfs_buf backing memory as __GFP_RECLAIMABLE 2026-09-07 07:50:35 +02:00
xfs_buf.h xfs: hide b_flags manipulation from code outside of xfs_buf.c 2026-08-10 08:34:43 +02:00
xfs_dahash_test.c xfs: directly include xfs_platform.h 2026-01-21 12:57:16 +01:00
xfs_dahash_test.h
xfs_dir2_readdir.c xfs: remove the i_ino field in struct xfs_inode 2026-06-09 09:14:41 +02:00
xfs_discard.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
xfs_discard.h xfs: ignore discard return value 2025-12-16 08:49:56 +01:00
xfs_dquot_item_recover.c xfs: new patches for Linux 7.3 2026-08-17 16:41:57 -07:00
xfs_dquot_item.c xfs: save ailp before dropping the AIL lock in push callbacks 2026-03-18 09:40:31 +01:00
xfs_dquot_item.h
xfs_dquot.c xfs: fix ilock leak on error in xfs_dq_get_next_id 2026-08-03 10:21:33 +02:00
xfs_dquot.h xfs: remove xfs_qm_dqput and optimize dropping dquot references 2025-11-11 11:45:58 +01:00
xfs_drain.c xfs: directly include xfs_platform.h 2026-01-21 12:57:16 +01:00
xfs_drain.h
xfs_error.c xfs: remove the i_ino field in struct xfs_inode 2026-06-09 09:14:41 +02:00
xfs_error.h xfs: allow setting errortags at mount time 2026-01-30 10:41:42 +01:00
xfs_exchmaps_item.c xfs: actually recover intended file sizes in xfs_xmi_item_recover_intent 2026-09-07 07:50:35 +02:00
xfs_exchmaps_item.h
xfs_exchrange.c xfs: don't modify file attributes or poke fsnotify for dry runs 2026-09-07 07:50:35 +02:00
xfs_exchrange.h
xfs_export.c xfs: new code for Linux 7.2 2026-06-16 11:50:40 +05:30
xfs_export.h
xfs_extent_busy.c xfs: fix the lock annotation in xfs_extent_busy_update_extent 2026-09-07 07:50:34 +02:00
xfs_extent_busy.h xfs: don't allocate the xfs_extent_busy structure for zoned RTGs 2025-07-18 17:42:31 +02:00
xfs_extfree_item.c xfs: fix integer overflow in deferred intent sort comparators 2026-04-07 13:08:27 +02:00
xfs_extfree_item.h xfs: remove the xfs_efd_log_format_t typedef 2025-09-16 12:25:05 +02:00
xfs_file.c xfs: avoid extra cache flushes for multi-device file systems in xfs_fsync 2026-09-10 16:26:37 +02:00
xfs_file.h
xfs_filestream.c xfs: remove the i_ino field in struct xfs_inode 2026-06-09 09:14:41 +02:00
xfs_filestream.h
xfs_fsmap.c xfs: replace ns_capable_noaudit 2026-08-21 09:09:54 +02:00
xfs_fsmap.h
xfs_fsops.c xfs: hide b_flags manipulation from code outside of xfs_buf.c 2026-08-10 08:34:43 +02:00
xfs_fsops.h
xfs_globals.c xfs: directly include xfs_platform.h 2026-01-21 12:57:16 +01:00
xfs_handle.c xfs: remove the i_ino field in struct xfs_inode 2026-06-09 09:14:41 +02:00
xfs_handle.h
xfs_health.c xfs: don't report half-built inodes to fserror 2026-02-25 13:58:49 +01:00
xfs_healthmon.c xfs: take hm->lock in xfs_ioc_health_monitor() before insert 2026-09-10 16:43:48 +02:00
xfs_healthmon.h xfs: port healthmon event list to list_head 2026-09-07 07:50:36 +02:00
xfs_hooks.c xfs: directly include xfs_platform.h 2026-01-21 12:57:16 +01:00
xfs_hooks.h
xfs_icache.c xfs: fix the lock annotation on xfs_iget_cache_hit 2026-09-07 07:50:34 +02:00
xfs_icache.h
xfs_icreate_item.c xfs: directly include xfs_platform.h 2026-01-21 12:57:16 +01:00
xfs_icreate_item.h
xfs_inode_item_recover.c xfs: remove _XBF_LOGRECOVERY 2026-08-10 08:34:43 +02:00
xfs_inode_item.c xfs: store an agbno in struct xfs_imap 2026-06-09 09:14:42 +02:00
xfs_inode_item.h xfs: rework datasync tracking and execution 2025-09-23 15:12:43 +02:00
xfs_inode.c xfs: hide b_flags manipulation from code outside of xfs_buf.c 2026-08-10 08:34:43 +02:00
xfs_inode.h xfs: remove several unused and never-implemented declarations 2026-09-07 08:21:54 +02:00
xfs_ioctl.c xfs: replace ns_capable_noaudit 2026-08-21 09:09:54 +02:00
xfs_ioctl.h tree-wide: s/struct fileattr/struct file_kattr/g 2025-07-04 16:14:39 +02:00
xfs_ioctl32.c xfs: directly include xfs_platform.h 2026-01-21 12:57:16 +01:00
xfs_ioctl32.h
xfs_ioend.c xfs: split ioend handling into a separate source file 2026-08-21 09:09:54 +02:00
xfs_ioend.h xfs: split ioend handling into a separate source file 2026-08-21 09:09:54 +02:00
xfs_iomap.c xfs: factor out a xfs_iomap_set_anon_write helper 2026-08-21 09:09:54 +02:00
xfs_iomap.h xfs: set IOMAP_F_INTEGRITY for zoned writes on integrity devices 2026-09-10 16:26:37 +02:00
xfs_iops.c xfs: replace ns_capable_noaudit 2026-08-21 09:09:54 +02:00
xfs_iops.h xfs: refine atomic write size check in xfs_file_write_iter() 2025-05-07 14:25:31 -07:00
xfs_itable.c xfs: store an agbno in struct xfs_imap 2026-06-09 09:14:42 +02:00
xfs_itable.h xfs: remove XFS_IBULK_SAME_AG 2025-08-11 14:03:31 +02:00
xfs_iunlink_item.c xfs: store an agbno in struct xfs_imap 2026-06-09 09:14:42 +02:00
xfs_iunlink_item.h
xfs_iwalk.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
xfs_iwalk.h
xfs_log_cil.c xfs: also flush the RT device cache in xlog_write_iclog 2026-09-10 16:26:37 +02:00
xfs_log_priv.h xfs: improve lock annotations in the log code 2026-09-07 07:50:34 +02:00
xfs_log_recover.c xfs: remove _XBF_LOGRECOVERY 2026-08-10 08:34:43 +02:00
xfs_log.c xfs: also flush the RT device cache in xlog_write_iclog 2026-09-10 16:26:37 +02:00
xfs_log.h xfs: remove several unused and never-implemented declarations 2026-09-07 08:21:54 +02:00
xfs_message.c xfs: drop the experimental warning for the zoned allocator 2026-06-09 09:14:41 +02:00
xfs_message.h xfs: drop the experimental warning for the zoned allocator 2026-06-09 09:14:41 +02:00
xfs_mount.c xfs: shut down the filesystem on a failed mount 2026-06-12 09:57:02 +02:00
xfs_mount.h xfs: update BDI {io,ra}_pages values based on the RT device limits 2026-07-22 15:06:24 +02:00
xfs_mru_cache.c xfs: fix the lock annotation in xfs_mru_cache_lookup 2026-09-07 07:50:34 +02:00
xfs_mru_cache.h
xfs_notify_failure.c xfs: Fix typo in comment 2026-05-11 12:58:38 +02:00
xfs_notify_failure.h
xfs_platform.h xfs: remove kmem_to_page() 2026-08-21 09:09:54 +02:00
xfs_pnfs.c vfs-7.2-rc1.exportfs 2026-06-15 02:38:54 +05:30
xfs_pnfs.h exportfs: split out the ops for layout-based block device access 2026-05-11 11:11:48 +02:00
xfs_pwork.c xfs: directly include xfs_platform.h 2026-01-21 12:57:16 +01:00
xfs_pwork.h
xfs_qm_bhv.c xfs: directly include xfs_platform.h 2026-01-21 12:57:16 +01:00
xfs_qm_syscalls.c xfs: return default quota limits for IDs without a dquot 2026-03-31 12:51:41 +02:00
xfs_qm.c vfs-7.3-rc1.misc 2026-08-17 12:56:12 -07:00
xfs_qm.h xfs: make qi_dquots a 64-bit value 2025-11-11 11:45:57 +01:00
xfs_quota.h
xfs_quotaops.c xfs: remove the i_ino field in struct xfs_inode 2026-06-09 09:14:41 +02:00
xfs_refcount_item.c xfs: fix integer overflow in deferred intent sort comparators 2026-04-07 13:08:27 +02:00
xfs_refcount_item.h xfs: add helpers to compute log item overhead 2025-05-07 14:25:30 -07:00
xfs_reflink.c xfs: resample the data fork mapping after cycling ILOCK 2026-07-14 11:00:14 +02:00
xfs_reflink.h xfs: use the new ->i_state accessors 2025-10-20 20:22:27 +02:00
xfs_rmap_item.c xfs: fix integer overflow in deferred intent sort comparators 2026-04-07 13:08:27 +02:00
xfs_rmap_item.h xfs: add helpers to compute log item overhead 2025-05-07 14:25:30 -07:00
xfs_rtalloc.c xfs: propagate errors from xfs_rtginode_load 2026-07-20 11:17:32 +02:00
xfs_rtalloc.h
xfs_stats.c xfs: remove metafile inodes from the active inode stat 2026-02-25 13:58:48 +01:00
xfs_stats.h xfs: remove metafile inodes from the active inode stat 2026-02-25 13:58:48 +01:00
xfs_super.c xfs: don't flush and invalidate internal RT device twice in xfs_shutdown_devices 2026-08-21 09:09:54 +02:00
xfs_super.h
xfs_symlink.c xfs: remove the i_ino field in struct xfs_inode 2026-06-09 09:14:41 +02:00
xfs_symlink.h
xfs_sysctl.c xfs: directly include xfs_platform.h 2026-01-21 12:57:16 +01:00
xfs_sysctl.h xfs: remove deprecated sysctl knobs 2025-09-05 08:48:23 -07:00
xfs_sysfs.c xfs: tie zoned sysfs lifetime to zone info 2026-07-08 14:54:04 +02:00
xfs_sysfs.h xfs: tie zoned sysfs lifetime to zone info 2026-07-08 14:54:04 +02:00
xfs_trace.c xfs: autonomous self healing of filesystems [v7] 2026-01-28 10:02:20 +01:00
xfs_trace.h xfs: merge healthmon insert/push helpers 2026-09-07 07:50:36 +02:00
xfs_trans_ail.c xfs: add lock annotations to xfs_ail_delete* 2026-09-07 07:50:34 +02:00
xfs_trans_buf.c xfs: split an assert in xfs_trans_log_buf 2026-08-21 09:09:54 +02:00
xfs_trans_dquot.c xfs: remove the i_ino field in struct xfs_inode 2026-06-09 09:14:41 +02:00
xfs_trans_priv.h xfs: remove the leftover xfs_{set,clear}_li_failed infrastructure 2025-04-14 10:24:30 +02:00
xfs_trans.c xfs: restore nofs context unconditionally in xfs_trans_roll 2026-08-10 08:43:56 +02:00
xfs_trans.h xfs: fix incorrect context handling in xfs_trans_roll 2026-01-21 12:59:10 +01:00
xfs_verify_media.c xfs: fix media verification ioctl for internal rt volumes 2026-09-07 07:50:33 +02:00
xfs_verify_media.h xfs: add media verification ioctl 2026-01-20 18:06:52 -08:00
xfs_xattr.c xfs: remove the i_ino field in struct xfs_inode 2026-06-09 09:14:41 +02:00
xfs_xattr.h
xfs_zone_alloc.c xfs: add lock annotations to xfs_try_open_zone 2026-09-07 07:50:34 +02:00
xfs_zone_alloc.h xfs: factor out a xfs_zone_mark_free helper 2026-06-10 08:25:13 +02:00
xfs_zone_gc.c xfs: restore bi_bdev in xfs_zone_gc_write_chunk 2026-08-21 09:09:54 +02:00
xfs_zone_info.c xfs: untangle the open zones reporting in mountinfo 2026-04-07 13:28:47 +02:00
xfs_zone_priv.h xfs: reduce special casing for the open GC zone 2026-04-07 13:28:47 +02:00
xfs_zone_space_resv.c xfs: prevent race in zoned space reservations 2026-09-07 07:50:33 +02:00