Re: INFO: rcu detected stall in sys_open (2)

From: Dmitry Vyukov
Date: Thu Dec 17 2020 - 03:19:41 EST


On Wed, Dec 16, 2020 at 2:40 PM syzbot
<syzbot+7ee926c5e237e614ccb1@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 1d0e850a49a5b56f8f3cb51e74a11e2fedb96be6
> Author: David Howells <dhowells@xxxxxxxxxx>
> Date: Fri Oct 16 12:21:14 2020 +0000
>
> afs: Fix cell removal
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=128ceadf500000
> start commit: c85fb28b Merge tag 'arm64-fixes' of git://git.kernel.org/p..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=de7f697da23057c7
> dashboard link: https://syzkaller.appspot.com/bug?extid=7ee926c5e237e614ccb1
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1227c177900000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13553f60500000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: afs: Fix cell removal
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

#syz fix: afs: Fix cell removal