netdev - Re: [patch net-next 2/3] netfilter: ip6_tables: use reasm skb for matching

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Message-ID: <1383754334.4291.174.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Wed, 06 Nov 2013 08:12:14 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Jiri Pirko <jiri@...nulli.us>
Cc:	Patrick McHardy <kaber@...sh.net>, Florian Westphal <fw@...len.de>,
	netdev@...r.kernel.org, davem@...emloft.net, pablo@...filter.org,
	netfilter-devel@...r.kernel.org, yoshfuji@...ux-ipv6.org,
	kadlec@...ckhole.kfki.hu, mleitner@...hat.com,
	kuznet@....inr.ac.ru, jmorris@...ei.org, wensong@...ux-vs.org,
	horms@...ge.net.au, ja@....bg, edumazet@...gle.com,
	pshelar@...ira.com, jasowang@...hat.com,
	alexander.h.duyck@...el.com, coreteam@...filter.org
Subject: Re: [patch net-next 2/3] netfilter: ip6_tables: use reasm skb for
 matching

On Wed, 2013-11-06 at 16:29 +0100, Jiri Pirko wrote:

> I'm working on it atm.

Note that we have a similar problem in general with GRO and forwading.

We do no check against output mtu, if the packet is GSO.

skb_is_gso() being true bypasses the safety checks.


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