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([2001:b07:6468:f312:63a7:c72e:ea0e:6045]) by smtp.gmail.com with ESMTPSA id o18sm6406465wrx.59.2021.06.07.06.58.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 07 Jun 2021 06:58:21 -0700 (PDT) Subject: Re: [syzbot] WARNING in x86_emulate_instruction To: Dmitry Vyukov , Wanpeng Li , Thomas Gleixner , syzkaller Cc: syzbot , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , jarkko@kernel.org, Jim Mattson , Joerg Roedel , kan.liang@linux.intel.com, kvm , LKML , linux-sgx@vger.kernel.org, Ingo Molnar , Peter Zijlstra , Sean Christopherson , steve.wahl@hpe.com, syzkaller-bugs , Vitaly Kuznetsov , Wanpeng Li , the arch/x86 maintainers References: <000000000000f3fc9305c2e24311@google.com> <87v9737pt8.ffs@nanos.tec.linutronix.de> <0f6e6423-f93a-5d96-f452-4e08dbad9b23@redhat.com> <87sg277muh.ffs@nanos.tec.linutronix.de> From: Paolo Bonzini Message-ID: Date: Mon, 7 Jun 2021 15:58:19 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/06/21 12:34, Dmitry Vyukov wrote: > On Fri, May 28, 2021 at 2:34 AM Wanpeng Li wrote: >> >> On Fri, 28 May 2021 at 08:31, Thomas Gleixner wrote: >>> >>> On Fri, May 28 2021 at 01:21, Paolo Bonzini wrote: >>>> On 28/05/21 00:52, Thomas Gleixner wrote: >>>>> >>>>> So this is stale for a week now. It's fully reproducible and nobody >>>>> can't be bothered to look at that? >>>>> >>>>> What's wrong with you people? >>>> >>>> Actually there's a patch on list ("KVM: X86: Fix warning caused by stale >>>> emulation context"). Take care. >>> >>> That's useful, but does not change the fact that nobody bothered to >>> reply to this report ... >> >> Will do it next time. Have a nice evening, guys! > > There was an idea to do this automatically by syzbot: > > dashboard/app: notify bug report about fix patches > https://github.com/google/syzkaller/issues/1574 > > Namely: if syzbot discovers a fix anywhere (by the hash), it could > send a notification email to the bug report email thread. > The downside is that the robot sends even more emails, so I am not > sure how it will be accepted. Any opinions? I would like it. Usually somebody replies _before_ they start working on it, but sometimes they send a patch right away. Paolo