netdev - Re: [PATCH] net: clear local_df when passing skb between namespaces

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Date:	Thu, 05 Dec 2013 23:43:20 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	hannes@...essinduktion.org
Cc:	Fred.L.Templin@...ing.com, netdev@...r.kernel.org
Subject: Re: [PATCH] net: clear local_df when passing skb between namespaces

From: Hannes Frederic Sowa <hannes@...essinduktion.org>
Date: Thu, 5 Dec 2013 23:29:19 +0100

> We must clear local_df when passing the skb between namespaces as the
> packet is not local to the new namespace any more and thus may not get
> fragmented by local rules. Fred Templin noticed that other namespaces
> do fragment IPv6 packets while forwarding. Instead they should have send
> back a PTB.
> 
> The same problem should be present when forwarding DF-IPv4 packets
> between namespaces.
> 
> Reported-by: Templin, Fred L <Fred.L.Templin@...ing.com>
> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

Applied and queued up for -stable, thanks Hannes.
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