netdev - Re: pull request (net): ipsec 2016-05-04

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Message-Id: <20160504.164828.439672981604295842.davem@davemloft.net>
Date:	Wed, 04 May 2016 16:48:28 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	steffen.klassert@...unet.com
Cc:	herbert@...dor.apana.org.au, netdev@...r.kernel.org
Subject: Re: pull request (net): ipsec 2016-05-04

From: Steffen Klassert <steffen.klassert@...unet.com>
Date: Wed, 4 May 2016 07:40:51 +0200

> 1) The flowcache can hit an OOM condition if too
>    many entries are in the gc_list. Fix this by
>    counting the entries in the gc_list and refuse
>    new allocations if the value is too high.
> 
> 2) The inner headers are invalid after a xfrm transformation,
>    so reset the skb encapsulation field to ensure nobody tries
>    access the inner headers. Otherwise tunnel devices stacked
>    on top of xfrm may build the outer headers based on wrong
>    informations.
> 
> 3) Add pmtu handling to vti, we need it to report
>    pmtu informations for local generated packets.
> 
> Please pull or let me know if there are problems.

Pulled, thanks Steffen.

While build testing this I was worried that it might be possible
to create a situation where IP_VTI=y yet IPV6=m and therefore have
a unresolvable reference to icmpv6_send().

However I was not able to create such a configuration, as hard as
I tried. :-)