linux-kernel - Re: [PATCH] arch: sparc: prom: looping issue, need additional length check in the outside looping

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Date:	Wed, 19 Jun 2013 17:24:20 +0800
From:	Chen Gang <gang.chen@...anux.com>
To:	David Miller <davem@...emloft.net>
CC:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	sam@...nborg.org, sparclinux@...r.kernel.org
Subject: Re: [PATCH] arch: sparc: prom: looping issue, need additional length
 check in the outside looping

On 06/19/2013 05:13 PM, David Miller wrote:
> From: Chen Gang <gang.chen@...anux.com>
> Date: Thu, 30 May 2013 11:35:22 +0800
> 
>>
>> When "cp >= barg_buf + BARG_LEN-2", it breaks internel looping 'while',
>> but outside loop 'for' still has effect, so "*cp++ = ' '" will continue
>> repeating which may cause memory overflow.
>>
>> So need additional length check for it in the outside looping.
>>
>> Also beautify the related code which found by "./scripts/checkpatch.pl"
> 
> Applied.
> 
> 

Thank you very much.


-- 
Chen Gang

Asianux Corporation
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