ocfs2: add bounds checking to ocfs2_check_dir_entry()

This adds sanity checks for ocfs2_dir_entry to make sure all members of
ocfs2_dir_entry don't stray beyond valid memory region.

Link: https://lkml.kernel.org/r/20240626104433.163270-1-llfamsec@gmail.com
Signed-off-by: lei lu <llfamsec@gmail.com>
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
lei lu 2024-06-26 18:44:33 +08:00 • committed by Andrew Morton
commit 255547c6bb