From: Paolo Bonzini <pbonzini@redhat.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: syzbot <syzbot+4455ca3b3291de891abc@syzkaller.appspotmail.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Daniel Thompson <daniel.thompson@linaro.org>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
DRI <dri-devel@lists.freedesktop.org>,
ghalat@redhat.com, Gleb Natapov <gleb@kernel.org>,
gwshan@linux.vnet.ibm.com, "H. Peter Anvin" <hpa@zytor.com>,
James Morris <jmorris@namei.org>,
kasan-dev <kasan-dev@googlegroups.com>,
KVM list <kvm@vger.kernel.org>,
Linux Fbdev development list <linux-fbdev@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-security-module <linux-security-module@vger.kernel.org>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Ingo Molnar <mingo@redhat.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
Russell Currey <ruscur@russell.cc>,
Sam Ravnborg <sam@ravnborg.org>,
"Serge E. Hallyn" <serge@hallyn.com>,
stewart@linux.vnet.ibm.com,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
Kentaro Takeda <takedakn@nttdata.co.jp>,
Thomas Gleixner <tglx@linutronix.de>,
the arch/x86 maintainers <x86@kernel.org>
Subject: Re: KASAN: slab-out-of-bounds Read in fbcon_get_font
Date: Thu, 5 Dec 2019 11:53:02 +0100 [thread overview]
Message-ID: <e03140c6-8ff5-9abb-1af6-17a5f68d1829@redhat.com> (raw)
In-Reply-To: <CACT4Y+ZHCmTu4tdfP+iCswU3r6+_NBM9M-pAZEypVSZ9DEq3TQ@mail.gmail.com>
On 05/12/19 11:31, Dmitry Vyukov wrote:
>> Ah, and because the machine is a KVM guest, kvm_wait appears in a lot of
>> backtrace and I get to share syzkaller's joy every time. :)
> I don't see any mention of "kvm" in the crash report.
It's there in the stack trace, not sure if this is what triggered my Cc:
[<ffffffff810c7c3a>] kvm_wait+0xca/0xe0 arch/x86/kernel/kvm.c:612
Paolo
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Linux Fbdev development list <linux-fbdev@vger.kernel.org>,
KVM list <kvm@vger.kernel.org>,
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
"H. Peter Anvin" <hpa@zytor.com>,
DRI <dri-devel@lists.freedesktop.org>,
ghalat@redhat.com, Russell Currey <ruscur@russell.cc>,
Sam Ravnborg <sam@ravnborg.org>,
syzbot <syzbot+4455ca3b3291de891abc@syzkaller.appspotmail.com>,
Kentaro Takeda <takedakn@nttdata.co.jp>,
stewart@linux.vnet.ibm.com,
Daniel Thompson <daniel.thompson@linaro.org>,
Michael Ellerman <mpe@ellerman.id.au>,
the arch/x86 maintainers <x86@kernel.org>,
James Morris <jmorris@namei.org>,
kasan-dev <kasan-dev@googlegroups.com>,
Ingo Molnar <mingo@redhat.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
"Serge E. Hallyn" <serge@hallyn.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Gleb Natapov <gleb@kernel.org>,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
gwshan@linux.vnet.ibm.com, Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
linux-security-module <linux-security-module@vger.kernel.org>
Subject: Re: KASAN: slab-out-of-bounds Read in fbcon_get_font
Date: Thu, 05 Dec 2019 10:53:02 +0000 [thread overview]
Message-ID: <e03140c6-8ff5-9abb-1af6-17a5f68d1829@redhat.com> (raw)
In-Reply-To: <CACT4Y+ZHCmTu4tdfP+iCswU3r6+_NBM9M-pAZEypVSZ9DEq3TQ@mail.gmail.com>
On 05/12/19 11:31, Dmitry Vyukov wrote:
>> Ah, and because the machine is a KVM guest, kvm_wait appears in a lot of
>> backtrace and I get to share syzkaller's joy every time. :)
> I don't see any mention of "kvm" in the crash report.
It's there in the stack trace, not sure if this is what triggered my Cc:
[<ffffffff810c7c3a>] kvm_wait+0xca/0xe0 arch/x86/kernel/kvm.c:612
Paolo
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: Linux Fbdev development list <linux-fbdev@vger.kernel.org>,
KVM list <kvm@vger.kernel.org>,
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
"H. Peter Anvin" <hpa@zytor.com>,
DRI <dri-devel@lists.freedesktop.org>,
ghalat@redhat.com, Russell Currey <ruscur@russell.cc>,
Sam Ravnborg <sam@ravnborg.org>,
syzbot <syzbot+4455ca3b3291de891abc@syzkaller.appspotmail.com>,
Kentaro Takeda <takedakn@nttdata.co.jp>,
stewart@linux.vnet.ibm.com,
Daniel Thompson <daniel.thompson@linaro.org>,
Michael Ellerman <mpe@ellerman.id.au>,
the arch/x86 maintainers <x86@kernel.org>,
James Morris <jmorris@namei.org>,
kasan-dev <kasan-dev@googlegroups.com>,
Ingo Molnar <mingo@redhat.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
"Serge E. Hallyn" <serge@hallyn.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Gleb Natapov <gleb@kernel.org>,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
gwshan@linux.vnet.ibm.com, Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
linux-security-module <linux-security-module@vger.kernel.org>
Subject: Re: KASAN: slab-out-of-bounds Read in fbcon_get_font
Date: Thu, 5 Dec 2019 11:53:02 +0100 [thread overview]
Message-ID: <e03140c6-8ff5-9abb-1af6-17a5f68d1829@redhat.com> (raw)
In-Reply-To: <CACT4Y+ZHCmTu4tdfP+iCswU3r6+_NBM9M-pAZEypVSZ9DEq3TQ@mail.gmail.com>
On 05/12/19 11:31, Dmitry Vyukov wrote:
>> Ah, and because the machine is a KVM guest, kvm_wait appears in a lot of
>> backtrace and I get to share syzkaller's joy every time. :)
> I don't see any mention of "kvm" in the crash report.
It's there in the stack trace, not sure if this is what triggered my Cc:
[<ffffffff810c7c3a>] kvm_wait+0xca/0xe0 arch/x86/kernel/kvm.c:612
Paolo
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next prev parent reply other threads:[~2019-12-05 10:53 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-03 22:25 KASAN: slab-out-of-bounds Read in fbcon_get_font syzbot
2019-12-03 22:25 ` syzbot
2019-12-03 22:25 ` syzbot
2019-12-03 22:37 ` Daniel Vetter
2019-12-03 22:37 ` Daniel Vetter
2019-12-03 22:37 ` Daniel Vetter
2019-12-04 6:33 ` Dmitry Vyukov
2019-12-04 6:33 ` Dmitry Vyukov
2019-12-04 6:33 ` Dmitry Vyukov
2019-12-04 9:15 ` Daniel Vetter
2019-12-04 9:15 ` Daniel Vetter
2019-12-04 9:15 ` Daniel Vetter
2019-12-04 20:49 ` Andrey Ryabinin
2019-12-04 20:49 ` Andrey Ryabinin
2019-12-04 20:49 ` Andrey Ryabinin
2019-12-04 21:41 ` syzbot
2019-12-04 21:41 ` syzbot
2019-12-04 21:41 ` syzbot
2019-12-05 1:59 ` Tetsuo Handa
2019-12-05 1:59 ` Tetsuo Handa
2019-12-05 10:13 ` Paolo Bonzini
2019-12-05 10:13 ` Paolo Bonzini
2019-12-05 10:13 ` Paolo Bonzini
2019-12-05 10:16 ` Dmitry Vyukov
2019-12-05 10:16 ` Dmitry Vyukov
2019-12-05 10:16 ` Dmitry Vyukov
2019-12-05 10:22 ` Paolo Bonzini
2019-12-05 10:22 ` Paolo Bonzini
2019-12-05 10:22 ` Paolo Bonzini
2019-12-05 10:31 ` Dmitry Vyukov
2019-12-05 10:31 ` Dmitry Vyukov
2019-12-05 10:31 ` Dmitry Vyukov
2019-12-05 10:53 ` Paolo Bonzini [this message]
2019-12-05 10:53 ` Paolo Bonzini
2019-12-05 10:53 ` Paolo Bonzini
2019-12-05 11:27 ` Dmitry Vyukov
2019-12-05 11:27 ` Dmitry Vyukov
2019-12-05 11:27 ` Dmitry Vyukov
2019-12-05 11:29 ` Paolo Bonzini
2019-12-05 11:29 ` Paolo Bonzini
2019-12-05 11:29 ` Paolo Bonzini
2019-12-05 10:41 ` Tetsuo Handa
2019-12-05 10:41 ` Tetsuo Handa
2019-12-05 10:41 ` Tetsuo Handa
2019-12-05 11:35 ` Dmitry Vyukov
2019-12-05 11:35 ` Dmitry Vyukov
2019-12-05 11:35 ` Dmitry Vyukov
2019-12-05 11:36 ` Dmitry Vyukov
2019-12-05 11:36 ` Dmitry Vyukov
2019-12-05 11:36 ` Dmitry Vyukov
2019-12-05 10:30 ` Tetsuo Handa
2019-12-05 10:30 ` Tetsuo Handa
2019-12-05 10:30 ` Tetsuo Handa
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