Re: [syzbot] INFO: task hung in ext4_put_super

Pavel Skripkin
2021-07-16T11:23:09Z

On Fri, 16 Jul 2021 03:17:09 -0700
syzbot <syzbot+deb25600c2fd79ffd367@syzkaller.appspotmail.com> wrote:

> syzbot suspects this issue was fixed by commit:
>
> commit 618f003199c6188e01472b03cdbba227f1dc5f24
> Author: Pavel Skripkin <paskripkin@gmail.com>
> Date: Fri Apr 30 18:50:46 2021 +0000
>
> ext4: fix memory leak in ext4_fill_super
>
> bisection log:
> https://syzkaller.appspot.com/x/bisect.txt?x=17ebaa22300000 start
> commit: 2f7b98d1e55c Merge tag 'drm-fixes-2021-04-16' of
> git://ano.. git tree: upstream kernel config:
> https://syzkaller.appspot.com/x/.config?x=398c4d0fe6f66e68 dashboard
> link: https://syzkaller.appspot.com/bug?extid=deb25600c2fd79ffd367
> syz repro:
> https://syzkaller.appspot.com/x/repro.syz?x=170d645ad00000 C
> reproducer: https://syzkaller.appspot.com/x/repro.c?x=16a03a2ed00000
>
> If the result looks correct, please mark the issue as fixed by
> replying with:
>
> #syz fix: ext4: fix memory leak in ext4_fill_super
>
> For information about bisection process see:
> https://goo.gl/tpsmEJ#bisection

This looks correct. I've tested this patch a long time ago, but forgot
to mark it as fixed.

#syz fix: ext4: fix memory leak in ext4_fill_super

With regards,
Pavel Skripkin