linux-kernel - Re: [PATCH v2] nvmem/mxs-ocotp: fix buffer overflow in read

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Date:	Mon, 2 May 2016 16:50:51 +0200
From:	Stefan Wahren <stefan.wahren@...e.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Stanislav Meduna <stano@...una.org>
Cc:	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] nvmem/mxs-ocotp: fix buffer overflow in read

Hi Stano,

Am 02.05.2016 um 16:44 schrieb Greg Kroah-Hartman:
> On Mon, May 02, 2016 at 03:55:53PM +0200, Stefan Wahren wrote:
>> Hi Srinivas,
>> hi Greg,
>>
>> Am 27.04.2016 um 14:39 schrieb Stanislav Meduna:
>>> This patch fixes the issue where the mxs_ocotp_read is reading
>>> the ocotp in reg_size steps but decrements the remaining size
>>> by 1. The number of iterations is thus four times higher,
>>> overwriting the area behind the output buffer.
>>>
>>> Fixes: c01e9a11ab6f ("nvmem: add driver for ocotp in i.MX23 and i.MX28")
>>> Tested-by: Stefan Wahren <stefan.wahren@...e.com>
>>> Signed-off-by: Stanislav Meduna <stano@...una.org>
>> any change to get this critical fix into 4.6?
> This is the first I've seen this patch :(

sorry for this.

>
> Can you resend it in a format I can apply it in?

Could you please resend V2 to Greg?

Thanks
Stefan

>
> thanks,
>
> greg k-h
>
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