linux-kernel - Re: [PATCH] staging: dgnc: fix potential format string flaw

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Message-ID: <1378875632.606.5.camel@joe-AO722>
Date:	Tue, 10 Sep 2013 22:00:32 -0700
From:	Joe Perches <joe@...ches.com>
To:	Kees Cook <keescook@...omium.org>
Cc:	linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Lidza Louina <lidza.louina@...il.com>,
	Tushar Behera <tushar.behera@...aro.org>,
	devel@...verdev.osuosl.org
Subject: Re: [PATCH] staging: dgnc: fix potential format string flaw

On Tue, 2013-09-10 at 21:41 -0700, Kees Cook wrote:
> Make sure that format strings cannot leak into printk() calls from the
> msgbuf string.

	printf(string);
vs
	printf("%s", string);

How does this help?


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