Re: [PATCH 0/3] KVM: SVM: SEV{-ES} bug fixes

[Paolo Bonzini]

On 31/03/21 05:19, Sean Christopherson wrote:
> Misc bug fixes in SEV/SEV-ES to protect against a malicious userspace.
> All found by inspection, I didn't actually crash the host to to prove that
> userspace could hose the kernel in any of these cases.  Boot tested an SEV
> guest, though the SEV-ES side of patch 2 is essentially untested as I
> don't have an SEV-ES setup at this time.
>
> Sean Christopherson (3):
>    KVM: SVM: Use online_vcpus, not created_vcpus, to iterate over vCPUs
>    KVM: SVM: Do not set sev->es_active until KVM_SEV_ES_INIT completes
>    KVM: SVM: Do not allow SEV/SEV-ES initialization after vCPUs are
>      created
>
>   arch/x86/kvm/svm/sev.c | 37 ++++++++++++++++++-------------------
>   1 file changed, 18 insertions(+), 19 deletions(-)

Queued, thanks.

Paolo