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OpenCloudOS-Kernel/fs/ocfs2
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Ferry Meng c726dea9d0 ocfs2: strict bound check before memcmp in ocfs2_xattr_find_entry() 
[ Upstream commit af77c4fc1871847b528d58b7fdafb4aa1f6a9262 ]

xattr in ocfs2 maybe 'non-indexed', which saved with additional space
requested.  It's better to check if the memory is out of bound before
memcmp, although this possibility mainly comes from crafted poisonous
images.

Link: https://lkml.kernel.org/r/20240520024024.1976129-2-joseph.qi@linux.alibaba.com
Signed-off-by: Ferry Meng <mengferry@linux.alibaba.com>
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reported-by: lei lu <llfamsec@gmail.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Jun Piao <piaojun@huawei.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Mark Fasheh <mark@fasheh.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2024-09-30 16:25:12 +02:00
..
cluster ocfs2: cluster: fix potential deadlock on &o2net_debug_lock 2023-08-18 10:18:59 -07:00
dlm ocfs2/dlm: use bitmap API instead of hand-writing it 2022-11-18 13:55:06 -08:00
dlmfs ocfs2: convert to new timestamp accessors 2024-06-27 13:49:14 +02:00
Kconfig fs: add CONFIG_BUFFER_HEAD 2023-08-02 09:13:09 -06:00
Makefile
…
acl.c ocfs2: convert to new timestamp accessors 2024-06-27 13:49:14 +02:00
acl.h fs: port ->set_acl() to pass mnt_idmap 2023-01-19 09:24:27 +01:00
alloc.c ocfs2: convert to new timestamp accessors 2024-06-27 13:49:14 +02:00
alloc.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
aops.c ocfs2: fix DIO failure due to insufficient transaction credits 2024-07-05 09:33:54 +02:00
aops.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
blockcheck.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
blockcheck.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
buffer_head_io.c fs/buffer: Combine two submit_bh() and ll_rw_block() arguments 2022-07-14 12:14:32 -06:00
buffer_head_io.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
dcache.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
dcache.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
dir.c ocfs2: add bounds checking to ocfs2_check_dir_entry() 2024-07-27 11:34:08 +02:00
dir.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
dlmglue.c ocfs2: convert to new timestamp accessors 2024-06-27 13:49:14 +02:00
dlmglue.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
export.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
export.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
extent_map.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
extent_map.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
file.c ocfs2: convert to new timestamp accessors 2024-06-27 13:49:14 +02:00
file.h fs: port ->permission() to pass mnt_idmap 2023-01-19 09:24:28 +01:00
filecheck.c ocfs2: use default_groups in kobj_type 2022-01-15 16:30:24 +02:00
filecheck.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
heartbeat.c ocfs2: fix a typo in a comment 2022-07-29 18:12:36 -07:00
heartbeat.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
inode.c ocfs2: convert to new timestamp accessors 2024-06-27 13:49:14 +02:00
inode.h quota: Properly annotate i_dquot arrays with __rcu 2024-03-26 18:19:46 -04:00
ioctl.c ocfs2: reduce ioctl stack usage 2023-04-21 14:54:34 -07:00
ioctl.h fs: port ->fileattr_set() to pass mnt_idmap 2023-01-19 09:24:27 +01:00
journal.c ocfs2: fix DIO failure due to insufficient transaction credits 2024-07-05 09:33:54 +02:00
journal.h ocfs2: fix DIO failure due to insufficient transaction credits 2024-07-05 09:33:54 +02:00
localalloc.c ocfs2: remove redundant assignment to variable bit_off 2023-06-23 17:04:04 -07:00
localalloc.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
locks.c filelock: move file locking definitions to separate header file 2023-01-11 06:52:32 -05:00
locks.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
mmap.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
mmap.h
…
move_extents.c ocfs2: convert to new timestamp accessors 2024-06-27 13:49:14 +02:00
move_extents.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
namei.c ocfs2: update inode fsync transaction id in ocfs2_unlink and ocfs2_link 2024-06-27 13:49:14 +02:00
namei.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
ocfs1_fs_compat.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
ocfs2.h ocfs2: fix NULL pointer dereference in ocfs2_abort_trigger() 2024-06-27 13:49:12 +02:00
ocfs2_fs.h ocfs2: replace zero-length arrays with DECLARE_FLEX_ARRAY() helper 2022-10-03 14:21:42 -07:00
ocfs2_ioctl.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
ocfs2_lockid.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
ocfs2_lockingver.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
ocfs2_trace.h ocfs2: fix DIO failure due to insufficient transaction credits 2024-07-05 09:33:54 +02:00
quota.h
…
quota_global.c fs/ocfs2: Fix spelling typo in comment 2022-07-17 17:31:43 -07:00
quota_local.c ocfs2: correct return value of ocfs2_local_free_info() 2023-06-09 17:44:22 -07:00
refcounttree.c ocfs2: convert to new timestamp accessors 2024-06-27 13:49:14 +02:00
refcounttree.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
reservations.c ocfs2: change return type of ocfs2_resmap_init 2022-04-29 14:37:58 -07:00
reservations.h ocfs2: change return type of ocfs2_resmap_init 2022-04-29 14:37:58 -07:00
resize.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
resize.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
slot_map.c Revert "ocfs2: mount shared volume without ha stack" 2022-07-18 15:09:15 -07:00
slot_map.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
stack_o2cb.c ocfs2: use bitmap API in fill_node_map 2022-11-18 13:55:06 -08:00
stack_user.c fs: dlm: fix F_CANCELLK to cancel pending request 2023-07-20 17:25:04 -05:00
stackglue.c ocfs2: fix memory leak in ocfs2_stack_glue_init() 2022-11-18 13:55:09 -08:00
stackglue.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
suballoc.c ocfs2: fix a deadlock when commit trans 2022-01-30 09:56:58 +02:00
suballoc.h fs/ocfs2/suballoc.h: fix spelling typo in comment 2022-10-03 14:21:42 -07:00
super.c ocfs2: fix NULL pointer dereference in ocfs2_abort_trigger() 2024-06-27 13:49:12 +02:00
super.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
symlink.c ocfs2: Convert ocfs2 to read_folio 2022-05-09 16:21:46 -04:00
symlink.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
sysfile.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
sysfile.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
uptodate.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
uptodate.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
xattr.c ocfs2: strict bound check before memcmp in ocfs2_xattr_find_entry() 2024-09-30 16:25:12 +02:00
xattr.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00