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Fix a double unlock bug on an error path in ext4, found by smatch and

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syzkaller.
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Merge tag 'ext4_for_linus_urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 fix from Ted Ts'o:
 "Fix a double unlock bug on an error path in ext4, found by smatch and
  syzkaller"

* tag 'ext4_for_linus_urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: fix possible double unlock when moving a directory
This commit is contained in:
Linus Torvalds 2023-03-19 09:38:26 -07:00
commit 995bba436b
1 changed files with 1 additions and 3 deletions
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4
fs/ext4/namei.c
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@ -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