linux-kernel - Re: [syzbot] [mm?] kernel BUG in validate

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Date:   Fri, 11 Aug 2023 14:10:02 +0200
From:   Aleksandr Nogikh <nogikh@...gle.com>
To:     syzbot <syzbot+70b97abe3e253d1c3f8e@...kaller.appspotmail.com>
Cc:     akpm@...ux-foundation.org, jonathan.cameron@...wei.com,
        krzysztof.kozlowski@...aro.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, luca@...tu.xyz, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [mm?] kernel BUG in validate_mm (2)

#syz fix: mm: validate the mm before dropping the mmap lock

On Mon, Aug 7, 2023 at 2:11 PM Aleksandr Nogikh <nogikh@...gle.com> wrote:
>
> On Mon, Aug 7, 2023 at 3:49 AM syzbot
> <syzbot+70b97abe3e253d1c3f8e@...kaller.appspotmail.com> wrote:
> >
> > syzbot suspects this issue was fixed by commit:
> >
> > commit ef513aa7aa5038d2f53e9f2932af5006f37ed0b6
> > Author: Luca Weiss <luca@...tu.xyz>
> > Date:   Thu Apr 13 23:17:49 2023 +0000
> >
> >     dt-bindings: iio: adc: qcom,spmi-vadc: Allow 1/16 for pre-scaling
> >
> > bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11aeb085a80000
> > start commit:   a901a3568fd2 Merge tag 'iomap-6.5-merge-1' of git://git.ke..
> > git tree:       upstream
> > kernel config:  https://syzkaller.appspot.com/x/.config?x=f5e1158c5b2f83bb
> > dashboard link: https://syzkaller.appspot.com/bug?extid=70b97abe3e253d1c3f8e
> > syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1511d490a80000
> > C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=130e5cfb280000
> >
> > If the result looks correct, please mark the issue as fixed by replying with:
> >
> > #syz fix: dt-bindings: iio: adc: qcom,spmi-vadc: Allow 1/16 for pre-scaling
>
> No, that's wrong. Please ignore the email.
>
> >
> > For information about bisection process see: https://goo.gl/tpsmEJ#bisection
> >