linux-kernel - Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt direction flag

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]

Date:	Thu, 06 Mar 2008 14:15:00 +0000
From:	Andrew Haley <aph@...hat.com>
To:	Olivier Galibert <galibert@...ox.com>,
	Paolo Bonzini <bonzini@....org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Chris Lattner <clattner@...le.com>,
	Michael Matz <matz@...e.de>,
	Richard Guenther <richard.guenther@...il.com>,
	Joe Buck <Joe.Buck@...opsys.com>, Jan Hubicka <hubicka@....cz>,
	Aurelien Jarno <aurelien@...el32.net>,
	linux-kernel@...r.kernel.org, gcc@....gnu.org
Subject: Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt direction
   flag

Olivier Galibert wrote:
> On Thu, Mar 06, 2008 at 03:03:15PM +0100, Paolo Bonzini wrote:
>> Olivier Galibert wrote:
>>> On Wed, Mar 05, 2008 at 05:12:07PM -0800, H. Peter Anvin wrote:
>>>> It's a kernel bug, and it needs to be fixed.
>>> I'm not convinced.  It's been that way for 15 years, it's that way in
>>> the BSD kernels, at that point it's a feature.  The bug is in the
>>> documentation, nowhere else.  And in gcc for blindly trusting the
>>> documentation.
>> No, the bug *in the kernel* was already present (if you had a signal 
>> raised during a call to memmove).  It's just more visible with GCC 4.3.
> 
> I'm curious, since when paper documentation became the Truth and
> reality became a bug?

Isn't that the definition of a bug?  That a program does not meet
its specification?

Andrew.

--
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/