[PATCH] ubifs: Fix a potential space leak problem while linking tmpfile

[Richard Weinberger]

----- Ursprüngliche Mail -----
>>> Perhaps I misunderstood what commit 32fe905c17f001 ("ubifs: Fix
>>> O_TMPFILE corner case in ubifs_link()") wanted to fix.
>>> I think orphan area is used to remind filesystem don't forget to delete
>>> inodes (whose nlink is 0) in next unclean rebooting. Generally, the file
>>> system is not corrupted caused by replaying orphan nodes.
>>> Ralph reported a filesystem corruption in combination with overlayfs.
>>> Can you tell me the details about that problem? Thanks.
>> On my test bed I didn't see a fs corruption, what I saw was a failing orphan
>> self test while playing with O_TMPFILE and linkat().
> Do we have a reproducer, or can I get the fail testcase? Is it a xfstest
> case?

I think xfstests triggered it, yes.
Later today I can check. :)

Thanks,
//richard