linux-kernel - Re: [PATCH -v1.2] kvm/emulate: Fix SETcc emulation function offsets with SLS

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 for Android: free password hash cracker in your pocket

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

Date:   Sat, 19 Mar 2022 14:41:20 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Jamie Heilman <jamie@...ible.transient.net>,
        linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        Sean Christopherson <seanjc@...gle.com>, kvm@...r.kernel.org
Subject: Re: [PATCH -v1.2] kvm/emulate: Fix SETcc emulation function offsets
 with SLS

On 3/19/22 14:36, Borislav Petkov wrote:
> On Sat, Mar 19, 2022 at 02:24:06PM +0100, Paolo Bonzini wrote:
>> Sorry for responding late, I was sick the past few days.  Go ahead and apply
>> it to tip/x86/core with the rest of the SLS and IBT patches.  If you place
>> it in front of the actual insertion of the INT3 it will even be bisectable,
>> but I'm not sure if your commit hashes are already frozen.
> 
> I think they are and we need this fix in 5.17 where the SLS stuff went
> in. I'll send it to Linus tomorrow.

Nah, don't worry.  I'll take care of it, I'm still not 100% on top of 
things but I can handle one patch. :)

Paolo

>> Just one thing:
> 
> Yeah, peterz can then do this ontop, before sending the IBT pile.
> 
> Thx for letting us know!
>