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From: David Miller <davem@davemloft.net>
Subject: Re: Possible NULL dereference caused by -stable commit
 ef81bb40bf15f350fe865f31fa42f1082772a576
Date: Wed, 28 Sep 2011 13:12:42 -0400 (EDT)
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From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 28 Sep 2011 14:09:09 +0200

> All we need here is not the route but inet_peer, so that inet_getid()
> can be called on it.

It's not exactly that simple, you have to parse all hop-by-hop options
to get the correct "destination" address.