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From:   Aleksandr Nogikh <nogikh@google.com>
Date:   Wed, 19 Jul 2023 19:56:42 +0200
Message-ID: <CANp29Y6QHom7Db6y3azXS0MACKSW6hUQzypZs7qrB-3TtxO1zA@mail.gmail.com>
Subject: Re: [syzbot] [crypto?] general protection fault in shash_ahash_update
To:     syzbot <syzbot+88f4b1e6cf88da11f5cd@syzkaller.appspotmail.com>
Cc:     Jiadong.Zhu@amd.com, alexander.deucher@amd.com,
        davem@davemloft.net, dhowells@redhat.com,
        herbert@gondor.apana.org.au, linux-crypto@vger.kernel.org,
        linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
        pabeni@redhat.com, syzkaller-bugs@googlegroups.com
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On Wed, Jul 19, 2023 at 7:42=E2=80=AFPM syzbot
<syzbot+88f4b1e6cf88da11f5cd@syzkaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 1dbcf770cc2d15baf8a1e8174d6fd014a68b45ca
> Author: Jiadong Zhu <Jiadong.Zhu@amd.com>
> Date:   Wed May 24 03:42:19 2023 +0000
>
>     drm/amdgpu: Reset CP_VMID_PREEMPT after trailing fence signaled
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=3D1622cafaa8=
0000
> start commit:   9a94d764e9bc Merge tag 'mlx5-updates-2023-06-16' of git:/=
/..
> git tree:       net-next
> kernel config:  https://syzkaller.appspot.com/x/.config?x=3Da4a7d74e6a7c3=
211
> dashboard link: https://syzkaller.appspot.com/bug?extid=3D88f4b1e6cf88da1=
1f5cd
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=3D1152c4ff280=
000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=3D1307cbcf28000=
0
>
> If the result looks correct, please mark the issue as fixed by replying w=
ith:

No, that's unrelated.

>
> #syz fix: drm/amdgpu: Reset CP_VMID_PREEMPT after trailing fence signaled
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisect=
ion
>