linux-kernel - Re: [PATCH] mm: fix mmap overflow checking

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Date:	Sat, 08 Sep 2012 10:07:39 +0800
From:	Wanlong Gao <gaowanlong@...fujitsu.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
CC:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>, open@...ck.org,
	"list@...ck.org:MEMORY MANAGEMENT" <linux-mm@...ck.org>
Subject: Re: [PATCH] mm: fix mmap overflow checking

On 09/08/2012 09:58 AM, KOSAKI Motohiro wrote:
>>> I've seen the exactly same patch from another fujitsu guys several
>>> month ago. and as I pointed
>>> out at that time, this line don't work when 32bit kernel + mmap2 syscall case.
>>>
>>> Please don't think do_mmap_pgoff() is for mmap(2) specific and read a
>>> past thread before resend
>>> a patch.
>>
>> So, what's your opinion about this bug? How to fix it in your mind?
> 
> Fix glibc instead of kernel.
> 

OK, I will send a patch to glibc community. Thank you.

Wanlong Gao

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