tree 341d9c20eacdf8f452d8e2eea61fe2d40923179d
parent b6e77a5346d8a739227ed73c2269966a4fd652b4
author Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> 1153871112 -0700
committer David S. Miller <davem@davemloft.net> 1153871112 -0700

[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>