linux-kernel - Re: WARNING in irqentry

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Date:   Thu, 12 Nov 2020 10:37:34 +0100
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     syzbot <syzbot+d4336c84ed0099fdbe47@...kaller.appspotmail.com>,
        LKML <linux-kernel@...r.kernel.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: WARNING in irqentry_exit

On Thu, Nov 12, 2020 at 3:01 AM syzbot
<syzbot+d4336c84ed0099fdbe47@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 4d004099a668c41522242aa146a38cc4eb59cb1e
> Author: Peter Zijlstra <peterz@...radead.org>
> Date:   Fri Oct 2 09:04:21 2020 +0000
>
>     lockdep: Fix lockdep recursion
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1202919a500000
> start commit:   f873db9a Merge tag 'io_uring-5.9-2020-08-21' of git://git...
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=a0437fdd630bee11
> dashboard link: https://syzkaller.appspot.com/bug?extid=d4336c84ed0099fdbe47
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15312a66900000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13b01641900000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: lockdep: Fix lockdep recursion
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

#syz fix: lockdep: Fix lockdep recursion