From: roel kluin <roel.kluin@gmail.com>
Date: Wed, 29 Jul 2009 23:46:59 +0000 (+0000)
Subject: ipv4: ARP neigh procfs buffer overflow
X-Git-Tag: v2.6.31-rc6~68^2~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a3e8ee682003685b8b9c98c89340a42e48c3e813;p=pandora-kernel.git

ipv4: ARP neigh procfs buffer overflow

If arp_format_neigh_entry() can be called with n->dev->addr_len == 0, then a
write to hbuffer[-1] occurs.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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