iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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>
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/x86/kvm/svm/svm.c
View File

@ -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));