linux-kernel - Re: [PATCH x86 kvm] Fix register corruption in pvclock_scale

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: <1308735302.6920.172.camel@zakaz.uk.xensource.com>
Date:	Wed, 22 Jun 2011 10:35:02 +0100
From:	Ian Campbell <Ian.Campbell@...rix.com>
To:	Avi Kivity <avi@...hat.com>
CC:	Zachary Amsden <zamsden@...hat.com>, kvm <kvm@...r.kernel.org>,
	Linux-kernel <linux-kernel@...r.kernel.org>,
	Ulrich Obergfell <uobergfe@...hat.com>
Subject: Re: [PATCH x86 kvm] Fix register corruption in pvclock_scale_delta

On Sun, 2011-06-19 at 15:44 +0300, Avi Kivity wrote:
> On 06/16/2011 06:50 AM, Zachary Amsden wrote:
> > The 128-bit multiply in pvclock.h was missing an output constraint for 
> > EDX which caused a register corruption to appear.

Was there any particular symptom associated with corruption at that
particular point or just general badness?

>   Thanks to Ulrich 
> > for diagnosing the EDX corruption and Avi for providing this fix 
> > (which now I am sending back to you Avi..)
> 
> Applied and queued, thanks.

Seems like a stable candidate also?

Ian.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/