syzbot


kernel BUG at arch/x86/kvm/mmu/mmu.c:LINE!
Status: fixed on 2020/02/18 14:31
Reported-by: syzbot+c9d1fb51ac9d0d10c39d@syzkaller.appspotmail.com
Fix commit: 005ba37c mm: thp: KVM: Explicitly check for THP when populating secondary MMU
First crash: 71d, last: 59d

Cause bisection: introduced by (bisect log):

commit 73bf1fc58dc4376d0111a4c1c9eab27e2759f468
Author: David S. Miller <davem@davemloft.net>
Date: Tue May 22 18:44:20 2018 +0000

  Merge branch 'net-ipv6-Fix-route-append-and-replace-use-cases'

Crash: WARNING in __static_key_slow_dec_cpuslocked (log)
Repro: C syz .config

Sample crash report:

Crashes (6):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-selinux-root 2019/12/13 04:34 upstream ae4b064e 08003f64 .config log report syz C bp@alien8.de, hpa@zytor.com, jmattson@google.com, joro@8bytes.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, rkrcmar@redhat.com, sean.j.christopherson@intel.com, tglx@linutronix.de, vkuznets@redhat.com, wanpengli@tencent.com, x86@kernel.org
ci-upstream-kasan-gce-root 2019/12/12 22:39 upstream ae4b064e 08003f64 .config log report syz C bp@alien8.de, hpa@zytor.com, jmattson@google.com, joro@8bytes.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, rkrcmar@redhat.com, sean.j.christopherson@intel.com, tglx@linutronix.de, vkuznets@redhat.com, wanpengli@tencent.com, x86@kernel.org
ci-upstream-kasan-gce 2019/12/12 15:54 upstream 687dec9b d973f528 .config log report syz C bp@alien8.de, hpa@zytor.com, jmattson@google.com, joro@8bytes.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, rkrcmar@redhat.com, sean.j.christopherson@intel.com, tglx@linutronix.de, vkuznets@redhat.com, wanpengli@tencent.com, x86@kernel.org
ci-upstream-kasan-gce-386 2019/12/12 20:43 upstream ae4b064e 08003f64 .config log report syz C bp@alien8.de, hpa@zytor.com, jmattson@google.com, joro@8bytes.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, rkrcmar@redhat.com, sean.j.christopherson@intel.com, tglx@linutronix.de, vkuznets@redhat.com, wanpengli@tencent.com, x86@kernel.org
ci-upstream-linux-next-kasan-gce-root 2019/12/24 05:52 linux-next 7ddd09fc be5c2c81 .config log report syz C bp@alien8.de, hpa@zytor.com, jmattson@google.com, joro@8bytes.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, rkrcmar@redhat.com, sean.j.christopherson@intel.com, tglx@linutronix.de, vkuznets@redhat.com, wanpengli@tencent.com, x86@kernel.org
ci-upstream-kasan-gce 2019/12/12 15:19 upstream 687dec9b d973f528 .config log report bp@alien8.de, hpa@zytor.com, jmattson@google.com, joro@8bytes.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, rkrcmar@redhat.com, sean.j.christopherson@intel.com, tglx@linutronix.de, vkuznets@redhat.com, wanpengli@tencent.com, x86@kernel.org