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Date: Thu, 28 Jun 2001 23:46:59 +0200
From: Ralf Baechle <ralf@uni-koblenz.de>
To: "Ryan W. Maple" <ryan@guardiandigital.com>
Cc: Justin Guyett <justin@soze.net>, james bond <difda@hotmail.com>,
        linux-kernel@vger.kernel.org
Subject: Re: BIG PROBLEM
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In-Reply-To: <Pine.LNX.4.10.10106281734140.11669-100000@mastermind.inside.guardiandigital.com>; from ryan@guardiandigital.com on Thu, Jun 28, 2001 at 05:35:14PM -0400
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On Thu, Jun 28, 2001 at 05:35:14PM -0400, Ryan W. Maple wrote:

> Check out:  http://bugs.debian.org/85478
> 
>   "When klogd's LogLine() function encounters a null byte in state
>    PARSING_TEXT, it will loop infinitely.  More precisely, copyin()
>    will treat the null byte as a delimiter - unlike LogLine(), which
>    will invoke copyin() ever and ever again."
> 
> Kinda off-topic, but I just wanted to prove that the bug was in klogd and
> not the kernel. :)

The kernel definately shouldn't communicate with the user using NUL chars.

  Ralf