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linux/fs/ext4
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Eric Whitney 0ca3768534 ext4: correct inline offset when handling xattrs in inode body 
commit 6909cf5c41 upstream.

When run on a file system where the inline_data feature has been
enabled, xfstests generic/269, generic/270, and generic/476 cause ext4
to emit error messages indicating that inline directory entries are
corrupted.  This occurs because the inline offset used to locate
inline directory entries in the inode body is not updated when an
xattr in that shared region is deleted and the region is shifted in
memory to recover the space it occupied.  If the deleted xattr precedes
the system.data attribute, which points to the inline directory entries,
that attribute will be moved further up in the region.  The inline
offset continues to point to whatever is located in system.data's former
location, with unfortunate effects when used to access directory entries
or (presumably) inline data in the inode body.

Cc: stable@kernel.org
Signed-off-by: Eric Whitney <enwlinux@gmail.com>
Link: https://lore.kernel.org/r/20230522181520.1570360-1-enwlinux@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2023-07-27 08:50:31 +02:00
..
.kunitconfig ext4: add .kunitconfig fragment to enable ext4-specific tests 2021-02-11 23:16:30 -05:00
acl.c fs/ext4: fix comments mentioning i_mutex 2022-02-03 10:57:53 -05:00
acl.h vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
balloc.c ext4: drop the call to ext4_error() from ext4_get_group_info() 2023-06-21 16:01:01 +02:00
bitmap.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
block_validity.c ext4: add ext4_sb_block_valid() refactored out of ext4_inode_block_valid() 2022-02-25 21:34:56 -05:00
crypto.c ext4: refactor and move ext4_ioctl_get_encryption_pwsalt() 2022-05-21 22:24:24 -04:00
dir.c ext4: fix spelling errors in comments 2022-05-11 15:19:06 -04:00
ext4.h ext4: add lockdep annotations for i_data_sem for ea_inode's 2023-06-09 10:34:26 +02:00
ext4_extents.h ext4: fix sparse warnings 2021-08-30 23:36:50 -04:00
ext4_jbd2.c ext4: use ext4_debug() instead of jbd_debug() 2022-08-02 23:52:19 -04:00
ext4_jbd2.h fs/ext4: fix comments mentioning i_mutex 2022-02-03 10:57:53 -05:00
extents.c ext4: fix use-after-free read in ext4_find_extent for bigalloc + inline 2023-05-11 23:03:36 +09:00
extents_status.c ext4: fix data races when using cached status extents 2023-05-17 11:53:57 +02:00
extents_status.h ext4: fix extent_status trace points 2020-01-25 02:03:03 -05:00
fast_commit.c ext4: use ext4_fc_tl_mem in fast-commit replay path 2023-03-11 13:55:22 +01:00
fast_commit.h ext4: add missing validation of fast-commit record lengths 2023-01-07 11:12:00 +01:00
file.c The first two changes that involve files outside of fs/ext4: 2022-10-06 17:45:53 -07:00
fsmap.c ext4: fix another off-by-one fsmap error on 1k block filesystems 2023-03-17 08:50:16 +01:00
fsmap.h ext4: fsmap: fix the block/inode bitmap comment 2021-06-24 09:48:29 -04:00
fsync.c block: use an on-stack bio in blkdev_issue_flush 2021-01-27 09:51:48 -07:00
hash.c ext4: improve error handling from ext4_dirhash() 2023-05-17 11:53:58 +02:00
ialloc.c ext4: allow ext4_get_group_info() to fail 2023-05-24 17:32:33 +01:00
indirect.c ext4: only update i_reserved_data_blocks on successful block allocation 2023-07-23 13:49:34 +02:00
inline.c ext4: bail out of ext4_xattr_ibody_get() fails for any reason 2023-05-17 11:53:58 +02:00
inode-test.c fs: ext4: Modify inode-test.c to use KUnit parameterized testing feature 2020-12-02 16:07:25 -07:00
inode.c ext4: only update i_reserved_data_blocks on successful block allocation 2023-07-23 13:49:34 +02:00
ioctl.c ext4: fix to check return value of freeze_bdev() in ext4_shutdown() 2023-07-23 13:49:34 +02:00
Kconfig ext: EXT4_KUNIT_TESTS should depend on EXT4_FS instead of selecting it 2021-02-11 23:12:59 -05:00
Makefile ext4: move ext4 crypto code to its own file crypto.c 2022-05-21 22:24:24 -04:00
mballoc.c ext4: fix wrong unit use in ext4_mb_new_blocks 2023-07-23 13:49:33 +02:00
mballoc.h ext4: use buckets for cr 1 block scan instead of rbtree 2022-09-21 22:12:03 -04:00
migrate.c ext4: fix warning in 'ext4_da_release_space' 2022-11-06 01:07:59 -04:00
mmp.c ext4: reflect error codes from ext4_multi_mount_protect() to its callers 2023-05-24 17:32:33 +01:00
move_extent.c ext4: factor out ext4_free_ext_path() 2022-09-30 23:46:54 -04:00
namei.c ext4: Remove ext4 locking of moved directory 2023-07-19 16:22:12 +02:00
orphan.c ext4: remove trailing newline from ext4_msg() message 2023-01-07 11:11:58 +01:00
page-io.c ext4: fix cgroup writeback accounting with fs-layer encryption 2023-03-17 08:50:16 +01:00
readpage.c fscrypt: stop using PG_error to track error status 2022-09-06 15:15:56 -07:00
resize.c ext4: fix corrupt backup group descriptors after online resize 2023-01-07 11:12:01 +01:00
super.c ext4: turn quotas off if mount failed after enabling quotas 2023-07-23 13:49:34 +02:00
symlink.c ext4: fix reading leftover inlined symlinks 2022-08-02 23:37:50 -04:00
sysfs.c ext4: Fix function prototype mismatch for ext4_feat_ktype 2023-02-25 11:25:43 +01:00
truncate.h ext4: Convert to use mapping->invalidate_lock 2021-07-13 14:29:00 +02:00
verity.c fs: ext4: initialize fsdata in pagecache_write() 2023-01-07 11:11:58 +01:00
xattr.c ext4: correct inline offset when handling xattrs in inode body 2023-07-27 08:50:31 +02:00
xattr.h ext4: remove EA inode entry from mbcache on inode eviction 2022-08-02 23:56:25 -04:00
xattr_hurd.c acl: handle idmapped mounts 2021-01-24 14:27:17 +01:00
xattr_security.c acl: handle idmapped mounts 2021-01-24 14:27:17 +01:00
xattr_trusted.c acl: handle idmapped mounts 2021-01-24 14:27:17 +01:00
xattr_user.c acl: handle idmapped mounts 2021-01-24 14:27:17 +01:00