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| author | Theodore Ts'o <tytso@mit.edu> | 2023-03-17 21:53:52 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2023-03-17 21:53:52 -0400 |
| commit | 70e42feab2e20618ddd0cbfc4ab4b08628236ecd (patch) | |
| tree | e5d7cb0bf3ac2b4207ad1e7db3e96bfe09fc3134 /fs/ext4/namei.c | |
| parent | eeac8ede17557680855031c6f305ece2378af326 (diff) | |
| download | linux-70e42feab2e20618ddd0cbfc4ab4b08628236ecd.tar.gz linux-70e42feab2e20618ddd0cbfc4ab4b08628236ecd.tar.bz2 linux-70e42feab2e20618ddd0cbfc4ab4b08628236ecd.zip | |
ext4: fix possible double unlock when moving a directory
Fixes: 0813299c586b ("ext4: Fix possible corruption when moving a directory")
Link: https://lore.kernel.org/r/5efbe1b9-ad8b-4a4f-b422-24824d2b775c@kili.mountain
Reported-by: Dan Carpenter <error27@gmail.com>
Reported-by: syzbot+0c73d1d8b952c5f3d714@syzkaller.appspotmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/namei.c')
| -rw-r--r-- | fs/ext4/namei.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 31e21de56432..a5010b5b8a8c 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -3884,10 +3884,8 @@ static int ext4_rename(struct mnt_idmap *idmap, struct inode *old_dir, goto end_rename; } retval = ext4_rename_dir_prepare(handle, &old); - if (retval) { - inode_unlock(old.inode); + if (retval) goto end_rename; - } } /* * If we're renaming a file within an inline_data dir and adding or |