Re: [BUG] A panic caused by null pointer dereference aftering updating to

[David Miller]

From: Eric Dumazet <eric.dumazet@xxxxxxxxx>
Date: Mon, 14 Apr 2014 10:54:42 -0700

> On Mon, 2014-04-14 at 13:49 -0400, David Miller wrote:
> 
>> Yep that would handle the l2tp cases, but vxlan needs something different
>> since it goes through iptunnel_xmit().
>> 
>> So perhaps as a quick fix we can add an 'sk' arg to both
>> ip_queue_xmit() and ip_local_out().
> 
> Right, I am working on this right now.

Thanks a lot Eric.

BTW, it occurs to me that there may be some other spots in the output path
that expect that if SKB is ETH_P_IP then skb->sk is IP socket.  For example
somewhere in netfilter or packet classifier paths.

Just FYI... that was one of the things I was going to audit.
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