From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rick Jones <rick.jones2@hp.com>
Subject: Re: [PATCH net-next 1/2] ipv4: ip_tunnel: use net namespace from
 rtable not socket
Date: Wed, 08 Apr 2015 10:31:06 -0700
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References: <46878d19779a655995b36701de854cb23a3bf4b5.1428505261.git.hannes@stressinduktion.org> <20150408.120958.1217271670558706137.davem@davemloft.net>
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Cc: netdev@vger.kernel.org
To: David Miller <davem@davemloft.net>, hannes@stressinduktion.org
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On 04/08/2015 09:09 AM, David Miller wrote:
> From: Hannes Frederic Sowa <hannes@stressinduktion.org>
> Date: Wed,  8 Apr 2015 17:01:22 +0200
>
>> The socket parameter might legally be NULL, thus sock_net is sometimes
>> causing a NULL pointer dereference. Using net_device pointer in dst_entry
>> is more reliable.
>>
>> Fixes: b6a7719aedd7e5c ("ipv4: hash net ptr into fragmentation bucket selection")
>> Reported-by: Rick Jones <rick.jones2@hp.com>
>> Cc: Rick Jones <rick.jones2@hp.com>
>> Cc: David S. Miller <davem@davemloft.net>
>> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
>
> Applied.

Horses, barn doors, crossed i's and dotted t's but I can report that 
with that in place the problem I reported in "VxLAN system wedge in 
4.0.0-rc5+ from davem net-next?" no longer happens.

rick