android/android_kernel_asus_sm8350
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ext4: fix possible double unlock when moving a directory

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commit 70e42feab2e20618ddd0cbfc4ab4b08628236ecd upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Theodore Ts'o 2023-03-17 21:53:52 -04:00 committed by Greg Kroah-Hartman
parent 6a1bd14d5e
commit c16cbd8233
1 changed files with 1 additions and 3 deletions
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4
fs/ext4/namei.c
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@ -3866,10 +3866,8 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
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