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KVM: VMX: avoid guest hang on invalid invvpid instruction

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commit f6870ee9e5 upstream.

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
Fixes: 99b83ac893
Reviewed-by: David Matlack <dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Paolo Bonzini
2016-03-18 16:53:42 +01:00
committed by Greg Kroah-Hartman
parent c44b175bf0
commit f9153f95f2
1 changed files with 1 additions and 0 deletions
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arch/x86/kvm/vmx.c
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@@ -7399,6 +7399,7 @@ 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;
}