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linux/fs/ocfs2
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Lizhi Xu df944dc46d ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate 
commit 33b525cef4 upstream.

When doing cleanup, if flags without OCFS2_BH_READAHEAD, it may trigger
NULL pointer dereference in the following ocfs2_set_buffer_uptodate() if
bh is NULL.

Link: https://lkml.kernel.org/r/20240902023636.1843422-3-joseph.qi@linux.alibaba.com
Fixes: cf76c78595 ("ocfs2: don't put and assigning null to bh allocated outside")
Signed-off-by: Lizhi Xu <lizhi.xu@windriver.com>
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reported-by: Heming Zhao <heming.zhao@suse.com>
Suggested-by: Heming Zhao <heming.zhao@suse.com>
Cc: <stable@vger.kernel.org>	[4.20+]
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-10-17 15:10:32 +02:00
..
cluster ocfs2: remove redundant initialization of variable ret 2021-06-29 10:53:46 -07:00
dlm ocfs2: remove redundant assignment to pointer queue 2021-06-29 10:53:46 -07:00
dlmfs ocfs2: dlmfs: fix error handling of user_dlm_destroy_lock 2022-06-09 10:23:22 +02:00
acl.c vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
acl.h vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
alloc.c ocfs2: fix data corruption after conversion from inline format 2021-10-18 20:22:03 -10:00
alloc.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
aops.c ocfs2: fix uninit-value in ocfs2_get_block() 2024-10-17 15:10:31 +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 ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate 2024-10-17 15:10:32 +02:00
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 10:46:16 +02:00
dir.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
dlmglue.c ocfs2: fix freeing uninitialized resource on ocfs2_dlm_shutdown 2023-04-13 16:48:26 +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: fix races between hole punching and AIO+DIO 2024-07-05 09:14:21 +02:00
file.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
filecheck.c ocfs2: fix snprintf() checking 2021-06-29 10:53:46 -07:00
filecheck.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
heartbeat.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
heartbeat.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
inode.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
inode.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
ioctl.c ocfs2: convert to fileattr 2021-04-12 15:04:30 +02:00
ioctl.h ocfs2: convert to fileattr 2021-04-12 15:04:30 +02:00
journal.c ocfs2: fix null-ptr-deref when journal load failed. 2024-10-17 15:10:31 +02:00
journal.h ocfs2: fix DIO failure due to insufficient transaction credits 2024-07-05 09:14:45 +02:00
Kconfig ocfs2: replace HTTP links with HTTPS ones 2020-08-07 11:33:22 -07:00
localalloc.c ocfs2: fix the la space leak when unmounting an ocfs2 volume 2024-10-17 15:10:31 +02:00
localalloc.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
locks.c fs: remove mandatory file locking support 2021-08-23 06:15:36 -04:00
locks.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
Makefile
mmap.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
mmap.h
move_extents.c ocfs2: fix non-auto defrag path not working issue 2023-03-10 09:39:59 +01:00
move_extents.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
namei.c ocfs2: use coarse time for new created files 2024-07-05 09:14:21 +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_fs.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -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 09:14:45 +02:00
ocfs2.h Revert "ocfs2: mount shared volume without ha stack" 2022-08-03 12:03:41 +02:00
quota_global.c ocfs2: fix crash when mount with quota enabled 2022-04-08 14:22:56 +02:00
quota_local.c ocfs2: cancel dqi_sync_work before freeing oinfo 2024-10-17 15:10:31 +02:00
quota.h
refcounttree.c ocfs2: reserve space for inline xattr before attaching reflink tree 2024-10-17 15:10:31 +02:00
refcounttree.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
reservations.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
reservations.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -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" 2022-08-03 12:03:41 +02:00
slot_map.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
stack_o2cb.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
stack_user.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
stackglue.c ocfs2: fix memory leak in ocfs2_stack_glue_init() 2022-12-31 13:14:02 +01:00
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 2022-02-01 17:27:05 +01:00
suballoc.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
super.c ocfs2: fix use-after-free when unmounting read-only filesystem 2023-06-21 15:59:14 +02:00
super.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
symlink.c treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00
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: reserve space for inline xattr before attaching reflink tree 2024-10-17 15:10:31 +02:00
xattr.h treewide: remove editor modelines and cruft 2021-05-07 00:26:34 -07:00