linux-kernel - Re: [PATCH] uinput strnlen bugfix

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Message-ID: <20110206165524.GG22170@cathedrallabs.org>
Date:	Sun, 6 Feb 2011 11:55:24 -0500
From:	Aristeu Rozanski <aris@...hedrallabs.org>
To:	David Herrmann <dh.herrmann@...glemail.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] uinput strnlen bugfix

On Sun, Feb 06, 2011 at 05:49:23PM +0100, David Herrmann wrote:
> The uinput device driver (drivers/input/misc/uinput.c) incorrectly
> computes the size of new device names. This patch fixes this. The diff
> is against 2.6.37 but the bug also exists in the most recent git
> sources.
> 
> strnlen() never returns negative numbers so the result should be
> incremented after checking for zero. Otherwise the test will always be
> false. This bug allows empty input device names.
> 
> Please CC me, I'm not subscribed to the mailing list.
and where's the patch? :^)

-- 
Aristeu

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