Messages in this thread | | | Date | Tue, 25 Jan 2022 20:21:57 +0000 | From | Sean Christopherson <> | Subject | Re: [syzbot] WARNING in free_loaded_vmcs (3) |
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On Mon, Jan 24, 2022, syzbot wrote: > WARNING: CPU: 0 PID: 3606 at arch/x86/kvm/vmx/vmx.c:2665 free_loaded_vmcs arch/x86/kvm/vmx/vmx.c:2665 [inline] > WARNING: CPU: 0 PID: 3606 at arch/x86/kvm/vmx/vmx.c:2665 free_loaded_vmcs+0x158/0x1a0 arch/x86/kvm/vmx/vmx.c:2656
KVM gets confused if userspace abuses KVM_SET_VCPU_EVENTS to toggle SMM on/off while the vCPU is post-VMXON, I'll send a patch.
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