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KVM: VMX: avoid guest hang on invalid invvpid instruction

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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: 99b83ac893
Reviewed-by: David Matlack <dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2016-03-18 16:53:42 +01:00
parent 2849eb4f99
commit f6870ee9e5
1 changed files with 1 additions and 0 deletions
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arch/x86/kvm/vmx.c
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@ -7458,6 +7458,7 @@ static int handle_invvpid(struct kvm_vcpu *vcpu)
if (!(types & (1UL << type))) { if (!(types & (1UL << type))) {
nested_vmx_failValid(vcpu, nested_vmx_failValid(vcpu,
VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID); VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID);
skip_emulated_instruction(vcpu);
return 1; return 1;
} }