netdev - Re: [2.6 PATCH] IPV6: Check length of optval provided by user in setsockopt()

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Message-Id: <20080411.161544.75421417.yoshfuji@linux-ipv6.org>
Date:	Fri, 11 Apr 2008 16:15:44 +0900 (JST)
From:	YOSHIFUJI Hideaki / 吉藤英明 
	<yoshfuji@...ux-ipv6.org>
To:	wangchen@...fujitsu.com
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	yoshfuji@...ux-ipv6.org
Subject: Re: [2.6 PATCH] IPV6: Check length of optval provided by user in
 setsockopt()

In article <47F97BEF.2070205@...fujitsu.com> (at Mon, 07 Apr 2008 09:42:07 +0800), Wang Chen <wangchen@...fujitsu.com> says:

> YOSHIFUJI Hideaki said the following on 2008-3-31 18:53:
> > POSIX, as we have some comments in that file ;-).
> > If it is shorter than expected, -EINVAL, otherwise, no error.
> > We need to fix other sites as well.
> > 
> 
> Check length of setsockopt's optval, which provided by user, before copy it
> from user space.
> For POSIX compliant, return -EINVAL for setsockopt of short lengths.
> 
> Signed-off-by: Wang Chen <wangchen@...fujitsu.com>

Applied, thanks.

--yoshfuji
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