KVM: x86: nSVM: leave nested mode on vCPU free

commit 917401f26a6af5756d89b550a8e1bd50cf42b07e upstream.

If the VM was terminated while nested, we free the nested state
while the vCPU still is in nested mode.

Soon a warning will be added for this condition.

Cc: stable@vger.kernel.org
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20221103141351.50662-2-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 3116d24..4704f09 100644 (file)
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1427,6 +1427,7 @@ static void svm_free_vcpu(struct kvm_vcpu *vcpu)
         */
        svm_clear_current_vmcb(svm->vmcb);
 
+       svm_leave_nested(vcpu);
        svm_free_nested(svm);
 
        sev_free_vcpu(vcpu);