From: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Date: Tue, 25 Jul 2006 23:45:12 +0000 (-0700)
Subject: [IPV4] ipmr: ip multicast route bug fix.
X-Git-Tag: v2.6.18-rc3~30^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=722874909271a807b243a797c2958e0a12992964;p=pandora-kernel.git

[IPV4] ipmr: ip multicast route bug fix.

IP multicast route code was reusing an skb which causes use after free
and double free.

From: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>

Note, it is real skb_clone(), not alloc_skb(). Equeued skb contains
the whole half-prepared netlink message plus room for the rest.
It could be also skb_copy(), if we want to be puristic about mangling
cloned data, but original copy is really not going to be used.

Acked-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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