Commit f6870ee9 authored Mar 18, 2016 by Paolo Bonzini

KVM: VMX: avoid guest hang on invalid invvpid instruction



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

Reported-by:  <jmontleo@redhat.com>
Tested-by:  <jmontleo@redhat.com>
Cc: stable@vger.kernel.org
Fixes: 99b83ac8
Reviewed-by: David Matlack <dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

parent 2849eb4f

arch/x86/kvm/vmx.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}

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