From: syzbot <syzbot+00be5da1d75f1cc95f6b@syzkaller.appspotmail.com>
To: bp@alien8.de, hpa@zytor.com, jmattson@google.com,
joro@8bytes.org, kvm@vger.kernel.org, linmiaohe@huawei.com,
linux-kernel@vger.kernel.org, mingo@redhat.com,
pbonzini@redhat.com, rkrcmar@redhat.com,
sean.j.christopherson@intel.com, syzkaller-bugs@googlegroups.com,
tglx@linutronix.de, vkuznets@redhat.com, wanpengli@tencent.com,
x86@kernel.org
Subject: Re: WARNING in vcpu_enter_guest
Date: Sat, 21 Mar 2020 20:31:04 -0700 [thread overview]
Message-ID: <000000000000f725a005a1692508@google.com> (raw)
In-Reply-To: <000000000000f965b8059877e5e6@google.com>
syzbot has bisected this bug to:
commit 9446e6fce0ab9dfd44b96f630b4e3a0a0ab879fd
Author: Paolo Bonzini <pbonzini@redhat.com>
Date: Wed Feb 12 12:27:10 2020 +0000
KVM: x86: fix WARN_ON check of an unsigned less than zero
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1744891de00000
start commit: 5076190d mm: slub: be more careful about the double cmpxch..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=14c4891de00000
console output: https://syzkaller.appspot.com/x/log.txt?x=10c4891de00000
kernel config: https://syzkaller.appspot.com/x/.config?x=9f894bd92023de02
dashboard link: https://syzkaller.appspot.com/bug?extid=00be5da1d75f1cc95f6b
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10bb4023e00000
Reported-by: syzbot+00be5da1d75f1cc95f6b@syzkaller.appspotmail.com
Fixes: 9446e6fce0ab ("KVM: x86: fix WARN_ON check of an unsigned less than zero")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
prev parent reply other threads:[~2020-03-22 3:31 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-29 8:20 WARNING in vcpu_enter_guest syzbot
2020-03-19 10:35 ` syzbot
2020-03-19 14:49 ` Sean Christopherson
2020-03-19 15:14 ` Paolo Bonzini
2020-03-19 17:35 ` Sean Christopherson
2020-03-19 17:39 ` Sean Christopherson
2020-03-19 17:44 ` Paolo Bonzini
2020-03-20 0:18 ` Thomas Gleixner
2020-03-20 10:33 ` Paolo Bonzini
2020-03-20 13:33 ` Thomas Gleixner
2020-03-22 3:31 ` syzbot [this message]
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