Messages in this thread Patch in this message | | | From | linmiaohe <> | Subject | [PATCH] KVM: nVMX: set rflags to specify success in handle_invvpid() default case | Date | Thu, 23 Jan 2020 11:14:01 +0800 |
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From: Miaohe Lin <linmiaohe@huawei.com>
In handle_invvpid() default case, we just skip emulated instruction and forget to set rflags to specify success. This would result in indefinite rflags value and thus indeterminate return value for guest.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> --- Chinese New Year is coming. Happy Spring Festival! ^_^ --- arch/x86/kvm/vmx/nested.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index 7608924ee8c1..985d3307ec56 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -5165,7 +5165,7 @@ static int handle_invvpid(struct kvm_vcpu *vcpu) break; default: WARN_ON_ONCE(1); - return kvm_skip_emulated_instruction(vcpu); + break; } return nested_vmx_succeed(vcpu); -- 2.19.1
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