Commit 7aae44c9 authored Mar 18, 2016 by Paolo Bonzini Committed by Sasha Levin Apr 18, 2016

KVM: VMX: avoid guest hang on invalid invept instruction



[ Upstream commit 2849eb4f99d54925c543db12917127f88b3c38ff ]

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

Cc: stable@vger.kernel.org
Fixes: bfd0a56b
Reviewed-by: David Matlack <dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

parent 65d83d87

arch/x86/kvm/vmx.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -6740,6 +6740,7 @@ static int handle_invept(struct kvm_vcpu *vcpu)
		if (!(types & (1UL << type))) {
		nested_vmx_failValid(vcpu,
		VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
		skip_emulated_instruction(vcpu);
		return 1;
		}