From: Maxim Levitsky mlevitsk@redhat.com
commit 81b4b56d4f8130bbb99cf4e2b48082e5b4cfccb9 upstream.
If we are emulating an invalid guest state, we don't have a correct exit reason, and thus we shouldn't do anything in this function.
Signed-off-by: Maxim Levitsky mlevitsk@redhat.com Message-Id: 20210826095750.1650467-2-mlevitsk@redhat.com Cc: stable@vger.kernel.org Fixes: 95b5a48c4f2b ("KVM: VMX: Handle NMIs, #MCs and async #PFs in common irqs-disabled fn", 2019-06-18) Signed-off-by: Paolo Bonzini pbonzini@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/x86/kvm/vmx/vmx.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -6452,6 +6452,9 @@ static void vmx_handle_exit_irqoff(struc { struct vcpu_vmx *vmx = to_vmx(vcpu);
+ if (vmx->emulation_required) + return; + if (vmx->exit_reason.basic == EXIT_REASON_EXTERNAL_INTERRUPT) handle_external_interrupt_irqoff(vcpu); else if (vmx->exit_reason.basic == EXIT_REASON_EXCEPTION_NMI)