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Date: Tue, 5 Jul 2011 21:49:22 +0400
From: Vasiliy Kulikov <segoon@openwall.com>
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Subject: Re: [kernel-hardening] Re: [PATCH v2] kernel: escape non-ASCII and
 control characters in printk()
To: kernel-hardening@lists.openwall.com
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Ingo Molnar <mingo@elte.hu>, Andrew Morton <akpm@linux-foundation.org>, James Morris <jmorris@namei.org>, Namhyung Kim <namhyung@gmail.com>, Greg Kroah-Hartman <gregkh@suse.de>, linux-kernel@vger.kernel.org
List-ID: <kernel-hardening.lists.openwall.com>

On Sun, Jul 03, 2011 at 10:42 -0700, Linus Torvalds wrote:
> So saying "%s is for pure 7-bit ASCII with no control codes" is
> annoying, but would really fix it.

Hmm..  It breaks usb UTF-8 strings for sure.  I see some printks in
debugging code.  There might be other users of UTF-8 strings fed to
printk().

-- 
Vasiliy Kulikov
http://www.openwall.com - bringing security into open computing environments