netdev - Re: [PATCH v3 -next] ip: reject too-big defragmented DF-skb when forwarding

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Message-Id: <20150525.000940.93491597643033970.davem@davemloft.net>
Date:	Mon, 25 May 2015 00:09:40 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	fw@...len.de
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH v3 -next] ip: reject too-big defragmented DF-skb when
 forwarding

From: Florian Westphal <fw@...len.de>
Date: Fri, 22 May 2015 00:06:40 +0200

> Send icmp pmtu error if we find that the largest fragment of df-skb
> exceeded the output path mtu.
> 
> The ip output path will still catch this later on but we can avoid the
> forward/postrouting hook traversal by rejecting right away.
> 
> This is what ipv6 already does.
> 
> Acked-by: Hannes Frederic Sowa <hannes@...essinduktion.org>
> Signed-off-by: Florian Westphal <fw@...len.de>

Applied, thank you.
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