From: Wang Chen <wangchen@cn.fujitsu.com>
Date: Mon, 7 Apr 2008 01:42:07 +0000 (+0800)
Subject: [IPV6]: Check length of optval provided by user in setsockopt().
X-Git-Tag: v2.6.26-rc1~1138^2~123^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a28398ba6112be28c6a92aacf06aca1979b454b7;p=pandora-kernel.git

[IPV6]: Check length of optval provided by user in setsockopt().

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@cn.fujitsu.com>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
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