ext4: cleanup in-core orphan list if ext4_truncate() failed to get a transaction handle
In ext4_orphan_cleanup(), if ext4_truncate() failed to get a transaction
handle, it didn't remove the inode from the in-core orphan list, which
may probably trigger below error dump in ext4_destroy_inode() during the
final iput() and could lead to memory corruption on the later orphan
list changes.
EXT4-fs (sda): Inode 6291467 (
00000000b8247c67): orphan list check failed!
00000000b8247c67:
0001f30a 00000004 00000000 00000023 ............#...
00000000e24cde71:
00000006 014082a3 00000000 00000000 ......@.........
0000000072c6a5ee:
00000000 00000000 00000000 00000000 ................
...
This patch fix this by cleanup in-core orphan list manually if
ext4_truncate() return error.
Cc: stable@kernel.org
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20210507071904.160808-1-yi.zhang@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>