From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] arp: fix possible crash in arp_rcv()
Date: Sun, 10 Feb 2013 20:40:54 -0500 (EST)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 08 Feb 2013 20:48:21 -0800

> From: Eric Dumazet <edumazet@google.com>
> 
> We should call skb_share_check() before pskb_may_pull(), or we
> can crash in pskb_expand_head()
> 
> Signed-off-by: Eric Dumazet <edumazet@google.com>

It's just a very odd set of combined circumstances we would
need for this to trigger and also cause a real problem of
any kind.

In any event, the fix is of course correct, and thus applied
to 'net'.  Thanks Eric!