linux-kernel - Re: [syzbot] [gfs2?] KASAN: use-after-free Read in qd

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Message-ID: <CANp29Y7UVO8QGJUC-WB=CT_MKJVUzpJ2pH+e6WAcwqX_4FPgpA@mail.gmail.com>
Date:   Wed, 26 Jul 2023 17:09:43 +0200
From:   Aleksandr Nogikh <nogikh@...gle.com>
To:     syzbot <syzbot+3f6a670108ce43356017@...kaller.appspotmail.com>
Cc:     agruenba@...hat.com, andersson@...nel.org,
        cluster-devel@...hat.com, dmitry.baryshkov@...aro.org,
        eadavis@...a.com, konrad.dybcio@...aro.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        rpeterso@...hat.com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [gfs2?] KASAN: use-after-free Read in qd_unlock (2)

On Wed, Jul 26, 2023 at 5:03 PM syzbot
<syzbot+3f6a670108ce43356017@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 41a37d157a613444c97e8f71a5fb2a21116b70d7
> Author: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Date:   Mon Dec 26 04:21:51 2022 +0000
>
>     arm64: dts: qcom: qcs404: use symbol names for PCIe resets
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17b48111a80000
> start commit:   [unknown]
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=fe56f7d193926860
> dashboard link: https://syzkaller.appspot.com/bug?extid=3f6a670108ce43356017
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1209f878c80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=111a48ab480000
>
> If the result looks correct, please mark the issue as fixed by replying with:

No, it's quite unlikely.

>
> #syz fix: arm64: dts: qcom: qcs404: use symbol names for PCIe resets
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
> --
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