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

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commit 917401f26a 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>
This commit is contained in:
Maxim Levitsky
2022-11-03 16:13:43 +02:00
committed by Greg Kroah-Hartman
parent d925dd3e44
commit 7e5cb13091
1 changed files with 1 additions and 0 deletions
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1
arch/x86/kvm/svm/svm.c
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@@ -1357,6 +1357,7 @@ static void svm_free_vcpu(struct kvm_vcpu *vcpu)
*/
svm_clear_current_vmcb(svm->vmcb);
svm_leave_nested(vcpu);
svm_free_nested(svm);
__free_page(pfn_to_page(__sme_clr(svm->vmcb_pa) >> PAGE_SHIFT));