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Commit f13882d8 authored by Gleb Natapov's avatar Gleb Natapov Committed by Marcelo Tosatti
Browse files

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 <gleb@redhat.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent 26539bd0

arch/x86/kvm/vmx.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -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))