syzbot


WARNING in enter_vmx_operation
Status: fixed on 2019/04/02 11:50
Reported-by: syzbot+ab5d7a5d0fc0c7518f6d@syzkaller.appspotmail.com
Fix commit: 5bea5123 KVM: VMX: check nested state and CR4.VMXE against SMM
First crash: 302d, last: 287d

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

Sample crash report:

All crashes (8):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2018/08/29 03:50 upstream 3f16503b b771b17e .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 2018/09/11 10:59 upstream 11da3a7f 8c88323f .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-selinux-root 2018/09/11 01:50 upstream 11da3a7f f167cb6b .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 2018/09/10 11:44 upstream 11da3a7f 6b5120a4 .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 2018/09/09 14:45 linux-next f2b6e66e 6b5120a4 .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 2018/08/29 02:53 upstream 3f16503b b771b17e .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-linux-next-kasan-gce-root 2018/08/27 00:25 linux-next e27bc174 758cd203 .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-linux-next-kasan-gce-root 2018/09/09 13:21 linux-next f2b6e66e 6b5120a4 .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