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-rw-r--r--arch/x86/kvm/svm/nested.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index 6ea047e6882e..a7c3b3030e59 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -345,8 +345,12 @@ int nested_svm_vmrun(struct vcpu_svm *svm)
struct kvm_host_map map;
u64 vmcb_gpa;
- vmcb_gpa = svm->vmcb->save.rax;
+ if (is_smm(&svm->vcpu)) {
+ kvm_queue_exception(&svm->vcpu, UD_VECTOR);
+ return 1;
+ }
+ vmcb_gpa = svm->vmcb->save.rax;
ret = kvm_vcpu_map(&svm->vcpu, gpa_to_gfn(vmcb_gpa), &map);
if (ret == -EINVAL) {
kvm_inject_gp(&svm->vcpu, 0);