Re: INFO: rcu detected stall in __se_sys_mount

From: Dmitry Vyukov
Date: Tue Dec 08 2020 - 01:33:57 EST


On Mon, Dec 7, 2020 at 9:06 PM syzbot
<syzbot+3f2db34df769d77edf8c@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=162cebcf500000
> 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=3f2db34df769d77edf8c
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11df5d4f900000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=157851e0500000
>
> 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