Commit f13882d8 authored by Gleb Natapov's avatar Gleb Natapov Committed by Marcelo Tosatti
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KVM: VMX: Fix check guest state validity if a guest is in VM86 mode

If guest vcpu is in VM86 mode the vcpu state should be checked as if in
real mode.

Signed-off-by: default avatarGleb Natapov <>
Signed-off-by: default avatarMarcelo Tosatti <>
parent 26539bd0
...@@ -3605,7 +3605,7 @@ static bool guest_state_valid(struct kvm_vcpu *vcpu) ...@@ -3605,7 +3605,7 @@ static bool guest_state_valid(struct kvm_vcpu *vcpu)
return true; return true;
/* real mode guest state checks */ /* real mode guest state checks */
if (!is_protmode(vcpu)) { if (!is_protmode(vcpu) || (vmx_get_rflags(vcpu) & X86_EFLAGS_VM)) {
if (!rmode_segment_valid(vcpu, VCPU_SREG_CS)) if (!rmode_segment_valid(vcpu, VCPU_SREG_CS))
return false; return false;
if (!rmode_segment_valid(vcpu, VCPU_SREG_SS)) if (!rmode_segment_valid(vcpu, VCPU_SREG_SS))
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