syzbot


WARNING in free_loaded_vmcs (2)
Status: fixed on 2019/04/02 11:50
Reported-by: syzbot+01bc9e7a8a3f138b71cf@syzkaller.appspotmail.com
Fix commit: 5bea5123 KVM: VMX: check nested state and CR4.VMXE against SMM
First crash: 319d, last: 294d

Bisection: introduced by (bisect log):

commit 8fcc4b5923af5de58b80b53a069453b135693304
Author: Jim Mattson <jmattson@google.com>
Date: Tue Jul 10 09:27:20 2018 +0000

  kvm: nVMX: Introduce KVM_CAP_NESTED_STATE

Tree: upstream
Crash: WARNING in free_loaded_vmcs (log)
Repro: syz .config
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream WARNING in free_loaded_vmcs C 170 573d 581d 4/13 fixed on 2018/01/25 08:31

Sample crash report:

All crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce 2018/09/04 02:40 upstream 60c1f892 a4718693 .config log report syz hpa@zytor.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, rkrcmar@redhat.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-kasan-gce-root 2018/09/04 09:03 upstream 60c1f892 a4718693 .config log report syz hpa@zytor.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, rkrcmar@redhat.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-linux-next-kasan-gce-root 2018/09/04 16:53 linux-next f2b6e66e a4718693 .config log report syz hpa@zytor.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, rkrcmar@redhat.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-kasan-gce 2018/08/10 06:36 upstream 112cbae2 1fb62d58 .config log report hpa@zytor.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, rkrcmar@redhat.com, tglx@linutronix.de, x86@kernel.org
ci-upstream-kasan-gce 2018/09/04 00:03 upstream 60c1f892 a4718693 .config log report hpa@zytor.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, rkrcmar@redhat.com, tglx@linutronix.de, x86@kernel.org