linux-kernel - Re: [syzbot] general protection fault in reweight

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Message-ID: <CACT4Y+Yqd_a6Mqb4uGSw=Vtx1ppqGxRRURGi1+RCnjYhXnko9w@mail.gmail.com>
Date:   Thu, 12 May 2022 15:00:41 +0200
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     syzbot <syzbot+8d9571494fc49db5aca1@...kaller.appspotmail.com>
Cc:     akpm@...ux-foundation.org, brauner@...nel.org, ccross@...gle.com,
        christian.brauner@...ntu.com, david@...hat.com,
        dietmar.eggemann@....com, ebiederm@...ssion.com, legion@...nel.org,
        linux-kernel@...r.kernel.org, pcc@...gle.com, peterz@...radead.org,
        syzkaller-bugs@...glegroups.com, tadeusz.struk@...aro.org
Subject: Re: [syzbot] general protection fault in reweight_entity

On Tue, 15 Mar 2022 at 20:23, syzbot
<syzbot+8d9571494fc49db5aca1@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 13765de8148f71fa795e0a6607de37c49ea5915a
> Author: Tadeusz Struk <tadeusz.struk@...aro.org>
> Date:   Thu Feb 3 16:18:46 2022 +0000
>
>     sched/fair: Fix fault in reweight_entity
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1230bdd9700000
> start commit:   b81b1829e7e3 Merge tag 'scsi-fixes' of git://git.kernel.or..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=266de9da75c71a45
> dashboard link: https://syzkaller.appspot.com/bug?extid=8d9571494fc49db5aca1
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10209674700000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1645552c700000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: sched/fair: Fix fault in reweight_entity

Yes, it is:

#syz fix: sched/fair: Fix fault in reweight_entity