[PATCH 2/3] KVM: VMX: avoid guest hang on invalid invvpid instruction

[Paolo Bonzini]

A guest executing an invalid invvpid instruction would hang
because the instruction pointer was not updated.

Reported-by: jmont...@redhat.com
Cc: sta...@vger.kernel.org
Fixes: 99b83ac893b84ed1a62ad6d1f2b6cc32026b9e85
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
 arch/x86/kvm/vmx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 17b20b52d30e..728f31bd350e 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -7458,6 +7458,7 @@ static int handle_invvpid(struct kvm_vcpu *vcpu)
        if (!(types & (1UL << type))) {
                nested_vmx_failValid(vcpu,
                        VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
+               skip_emulated_instruction(vcpu);
                return 1;
        }
 
-- 
1.8.3.1