linux-kernel - Re: [PATCH 0/6] KVM: SEV: Bug fix, cleanups and enhancements

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Tue, 16 Nov 2021 13:35:12 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Peter Gonda <pgonda@...gle.com>,
        Marc Orr <marcorr@...gle.com>,
        Nathan Tempelman <natet@...gle.com>,
        Brijesh Singh <brijesh.singh@....com>,
        Tom Lendacky <thomas.lendacky@....com>
Subject: Re: [PATCH 0/6] KVM: SEV: Bug fix, cleanups and enhancements

On 11/9/21 22:50, Sean Christopherson wrote:
> Bug fix for COPY_ENC_CONTEXT_FROM that IIRC is very belated feedback (git
> says its been sitting in my local repo since at least early September).
> 
> The other patches are tangentially related cleanups and enhancements for
> the SEV and SEV-ES info, e.g. active flag, ASID, etc...
> 
> Booted an SEV guest, otherwise it's effectively all compile-tested only.
> 
> Sean Christopherson (6):
>    KVM: SEV: Disallow COPY_ENC_CONTEXT_FROM if target has created vCPUs
>    KVM: SEV: Explicitly document that there are no TOCTOU races in copy
>      ASID
>    KVM: SEV: Set sev_info.active after initial checks in sev_guest_init()
>    KVM: SEV: WARN if SEV-ES is marked active but SEV is not
>    KVM: SEV: Drop a redundant setting of sev->asid during initialization
>    KVM: SEV: Fix typo in and tweak name of cmd_allowed_from_miror()
> 
>   arch/x86/kvm/svm/sev.c | 42 +++++++++++++++++++++++++++---------------
>   arch/x86/kvm/svm/svm.h |  2 +-
>   2 files changed, 28 insertions(+), 16 deletions(-)
> 

Queued all except 2.

Paolo