From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net] l2tp: avoid use-after-free caused by
 l2tp_ip_backlog_recv
Date: Sun, 26 Feb 2017 22:58:10 -0500 (EST)
Message-ID: <20170226.225810.2068448520693487748.davem@davemloft.net>
References: <20170226165819.27660-1-phueber@kernsp.in>
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From: Paul Hüber <phueber@kernsp.in>
Date: Sun, 26 Feb 2017 17:58:19 +0100

> l2tp_ip_backlog_recv may not return -1 if the packet gets dropped.
> The return value is passed up to ip_local_deliver_finish, which treats
> negative values as an IP protocol number for resubmission.
> 
> Signed-off-by: Paul Hüber <phueber@kernsp.in>

Applied and queued up for -stable, thanks.