Re: [PATCH linux-next] mqueue: fix IPC namespace use-after-free

From: Giuseppe Scrivano
Date: Tue Dec 19 2017 - 12:03:18 EST


Dmitry Vyukov <dvyukov@xxxxxxxxxx> writes:

>> Unrelated issue, but register_filesystem() should be the last thing
>> module_init() of a filesystem driver does. It's a separate story,
>> in any case...
>
> Giuseppe, what report is this?
> If there is a reproducer, you can ask syzbot to test a patch.

I have tried locally the reproducer and the issue seems fixed both in
Al's patch and in my version.

In any case, the original issue was:

https://groups.google.com/forum/#!msg/syzkaller-bugs/1XBaqnPSXzs/VF-eCSPuCQAJ

Thanks,
Giuseppe