netdev - Re: INFO: rcu detected stall in exit

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Date:   Wed, 11 Nov 2020 12:12:06 +0100
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     syzbot <syzbot+1a14a0f8ce1a06d4415f@...kaller.appspotmail.com>
Cc:     a@...table.cc, b.a.t.m.a.n@...ts.open-mesh.org,
        David Miller <davem@...emloft.net>,
        David Howells <dhowells@...hat.com>,
        Frédéric Weisbecker <fweisbec@...il.com>,
        linux-afs@...ts.infradead.org, LKML <linux-kernel@...r.kernel.org>,
        Linux-MM <linux-mm@...ck.org>, mareklindner@...mailbox.ch,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Ingo Molnar <mingo@...nel.org>,
        netdev <netdev@...r.kernel.org>, sw@...onwunderlich.de,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Al Viro <viro@...iv.linux.org.uk>
Subject: Re: INFO: rcu detected stall in exit_group

On Mon, Nov 9, 2020 at 12:03 PM syzbot
<syzbot+1a14a0f8ce1a06d4415f@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 1d0e850a49a5b56f8f3cb51e74a11e2fedb96be6
> Author: David Howells <dhowells@...hat.com>
> Date:   Fri Oct 16 12:21:14 2020 +0000
>
>     afs: Fix cell removal
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14b65c3a500000
> start commit:   34d4ddd3 Merge tag 'linux-kselftest-5.9-rc5' of git://git...
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=a9075b36a6ae26c9
> dashboard link: https://syzkaller.appspot.com/bug?extid=1a14a0f8ce1a06d4415f
> userspace arch: i386
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10c6642d900000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=132d00fd900000
>
> 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