From: Paul Kot <pawlkt@gmail.com>
Date: Sat, 10 Dec 2011 14:28:34 +0000 (+0100)
Subject: batman-adv: bat_socket_read missing checks
X-Git-Tag: v3.2.41~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=83257435faca1827b17e7e6e1766f9c0c216595d;p=pandora-kernel.git

batman-adv: bat_socket_read missing checks

commit c00b6856fc642b234895cfabd15b289e76726430 upstream.

Writing a icmp_packet_rr and then reading icmp_packet can lead to kernel
memory corruption, if __user *buf is just below TASK_SIZE.

Signed-off-by: Paul Kot <pawlkt@gmail.com>
[sven@narfation.org: made it checkpatch clean]
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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