KVM: nSVM: Clear GIF on nested #VMEXIT(INVALID)

commit f85a6ce upstream.

According to the APM, GIF is set to 0 on any #VMEXIT, including
an #VMEXIT(INVALID) due to failed consistency checks. Clear GIF on
consistency check failures.

Fixes: 3d6368e ("KVM: SVM: Add VMRUN handler")
Cc: stable@vger.kernel.org
Signed-off-by: Yosry Ahmed <yosry@kernel.org>
Link: https://patch.msgid.link/20260303003421.2185681-11-yosry@kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Yosry Ahmed

arch/x86/kvm/svm/nested.c

@@ -884,6 +884,7 @@ int nested_svm_vmrun(struct kvm_vcpu *vcpu)
 		vmcb12->control.exit_code_hi = -1u;
 		vmcb12->control.exit_info_1  = 0;
 		vmcb12->control.exit_info_2  = 0;
+		svm_set_gif(svm, false);
 		goto out;
 	}