netdev - Re: [PATCH 2/2] ipv6: don't deliver packets with zero length to raw sockets

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Message-Id: <20170421.105332.1898209845543083717.davem@davemloft.net>
Date:   Fri, 21 Apr 2017 10:53:32 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     jbainbri@...hat.com
Cc:     sd@...asysnail.net, kuznet@....inr.ac.ru, jmorris@...ei.org,
        yoshfuji@...ux-ipv6.org, kaber@...sh.net, netdev@...r.kernel.org
Subject: Re: [PATCH 2/2] ipv6: don't deliver packets with zero length to
 raw sockets

From: Jamie Bainbridge <jbainbri@...hat.com>
Date: Fri, 21 Apr 2017 21:18:00 +1000

> I cannot see the use in delivering a skb with zero bytes after the
> network header to a raw socket.

Then it cannot be used to look at zero length UDP packets, which are
completely legal and used.

So we must deliver it.