netdev - Re: [PATCH net] gtp: make sure only SOCK

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Message-Id: <20200123.111742.1881735229122461538.davem@davemloft.net>
Date:   Thu, 23 Jan 2020 11:17:42 +0100 (CET)
From:   David Miller <davem@...emloft.net>
To:     edumazet@...gle.com
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com,
        pablo@...filter.org, syzkaller@...glegroups.com
Subject: Re: [PATCH net] gtp: make sure only SOCK_DGRAM UDP sockets are
 accepted

From: Eric Dumazet <edumazet@...gle.com>
Date: Tue, 21 Jan 2020 23:17:14 -0800

> A malicious user could use RAW sockets and fool
> GTP using them as standard SOCK_DGRAM UDP sockets.
 ...
> Fixes: 459aa660eb1d ("gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)")
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>
> Cc: Pablo Neira <pablo@...filter.org>
> Reported-by: syzbot <syzkaller@...glegroups.com>

Also applied and queued up for -stable, thanks.