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KVM: VMX: avoid guest hang on invalid invept instruction

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commit 2849eb4f99 upstream.

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

Fixes: bfd0a56b90
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 16:53:29 +01:00
committed by Greg Kroah-Hartman
parent 4e2fa4bbba
commit c44b175bf0
1 changed files with 1 additions and 0 deletions
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arch/x86/kvm/vmx.c
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@@ -7340,6 +7340,7 @@ static int handle_invept(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;
} }