linux-kernel - Re: [PATCH 3/4] x86,module: Detect VMX vs SLD conflicts

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

Message-ID: <92c36ea2-98c3-9320-0618-aa225d2fbc9e@redhat.com>
Date:   Tue, 7 Apr 2020 17:28:04 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Greg KH <gregkh@...uxfoundation.org>
Cc:     tglx@...utronix.de, linux-kernel@...r.kernel.org,
        hch@...radead.org, sean.j.christopherson@...el.com,
        mingo@...hat.com, bp@...en8.de, hpa@...or.com, x86@...nel.org,
        kenny@...ix.com, jeyu@...nel.org, rasmus.villemoes@...vas.dk,
        fenghua.yu@...el.com, xiaoyao.li@...el.com, nadav.amit@...il.com,
        thellstrom@...are.com, tony.luck@...el.com, rostedt@...dmis.org,
        jannh@...gle.com, keescook@...omium.org, David.Laight@...lab.com,
        dcovelli@...are.com, mhiramat@...nel.org
Subject: Re: [PATCH 3/4] x86,module: Detect VMX vs SLD conflicts

On 07/04/20 17:24, Peter Zijlstra wrote:
> The thing I worry about is them lying about "intree", is there anything
> that avoids that?

In QEMU we generate a random-ish number on every build (actually an SHA
of the version and a bunch of other things) and include that in the
modules as the "in tree" marker.

Paolo