linux-kernel - Re: [PATCH] mfd: Fix off-by-one value range checking for tps65912_i2c

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Message-ID: <20110704152346.GK3021@sortiz-mobl>
Date:	Mon, 4 Jul 2011 17:23:46 +0200
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Axel Lin <axel.lin@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Margarita Olaya Cabrera <magi@...mlogic.co.uk>,
	Liam Girdwood <lrg@...com>
Subject: Re: [PATCH] mfd: Fix off-by-one value range checking for
 tps65912_i2c_write

Hi Axel,

On Fri, Jun 24, 2011 at 10:37:57PM +0800, Axel Lin wrote:
> From c5124060f13296bfc8cbbbb8298cf4b9b1faa1e9 Mon Sep 17 00:00:00 2001
> From: Axel Lin <axel.lin@...il.com>
> Date: Fri, 24 Jun 2011 15:34:16 +0800
> Subject: [PATCH] mfd: Fix off-by-one value range checking for tps65912_i2c_write
> 
> If bytes == (TPS6591X_MAX_REGISTER + 1), we have a buffer overflow when
> doing memcpy(&msg[1], src, bytes).
Patch applied, thanks.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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