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Subject: Re: KASAN: slab-out-of-bounds Read in fbcon_get_font
To:     syzbot <syzbot+4455ca3b3291de891abc@syzkaller.appspotmail.com>,
        aryabinin@virtuozzo.com, b.zolnierkie@samsung.com,
        daniel.thompson@linaro.org, daniel.vetter@ffwll.ch,
        dri-devel@lists.freedesktop.org, dvyukov@google.com,
        ghalat@redhat.com, gleb@kernel.org, gwshan@linux.vnet.ibm.com,
        hpa@zytor.com, jmorris@namei.org, kasan-dev@googlegroups.com,
        kvm@vger.kernel.org, linux-fbdev@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        linux-security-module@vger.kernel.org,
        maarten.lankhorst@linux.intel.com, mingo@redhat.com,
        mpe@ellerman.id.au, penguin-kernel@i-love.sakura.ne.jp,
        ruscur@russell.cc, sam@ravnborg.org, serge@hallyn.com,
        stewart@linux.vnet.ibm.com, syzkaller-bugs@googlegroups.com,
        takedakn@nttdata.co.jp, tglx@linutronix.de, x86@kernel.org
References: <0000000000003e640e0598e7abc3@google.com>
From:   Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <41c082f5-5d22-d398-3bdd-3f4bf69d7ea3@redhat.com>
Date:   Thu, 5 Dec 2019 11:13:17 +0100
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On 04/12/19 22:41, syzbot wrote:
> syzbot has bisected this bug to:
>=20
> commit 2de50e9674fc4ca3c6174b04477f69eb26b4ee31
> Author: Russell Currey <ruscur@russell.cc>
> Date:=C2=A0=C2=A0 Mon Feb 8 04:08:20 2016 +0000
>=20
> =C2=A0=C2=A0=C2=A0 powerpc/powernv: Remove support for p5ioc2
>=20
> bisection log:=C2=A0 https://syzkaller.appspot.com/x/bisect.txt?x=3D127a0=
42ae00000
> start commit:=C2=A0=C2=A0 76bb8b05 Merge tag 'kbuild-v5.5' of
> git://git.kernel.org/p..
> git tree:=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 upstream
> final crash:=C2=A0=C2=A0=C2=A0 https://syzkaller.appspot.com/x/report.txt=
?x=3D117a042ae00000
> console output: https://syzkaller.appspot.com/x/log.txt?x=3D167a042ae0000=
0
> kernel config:=C2=A0 https://syzkaller.appspot.com/x/.config?x=3Ddd226651=
cb0f364b
> dashboard link:
> https://syzkaller.appspot.com/bug?extid=3D4455ca3b3291de891abc
> syz repro:=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 https://syzkaller.appspot.com/x/=
repro.syz?x=3D11181edae00000
> C reproducer:=C2=A0=C2=A0 https://syzkaller.appspot.com/x/repro.c?x=3D105=
cbb7ae00000
>=20
> Reported-by: syzbot+4455ca3b3291de891abc@syzkaller.appspotmail.com
> Fixes: 2de50e9674fc ("powerpc/powernv: Remove support for p5ioc2")
>=20
> For information about bisection process see:
> https://goo.gl/tpsmEJ#bisection
>=20

Why is everybody being CC'd, even if the bug has nothing to do with the
person's subsystem?

Thanks,

Paolo