netdev - Re: [PATCH net] udp: fix secpath leak

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Message-Id: <20170901.103022.450258953816266474.davem@davemloft.net>
Date:   Fri, 01 Sep 2017 10:30:22 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     pabeni@...hat.com
Cc:     netdev@...r.kernel.org, yossiku@...lanox.com, paul@...l-moore.com
Subject: Re: [PATCH net] udp: fix secpath leak

From: Paolo Abeni <pabeni@...hat.com>
Date: Fri,  1 Sep 2017 14:42:30 +0200

> From: Yossi Kuperman <yossiku@...lanox.com>
> 
> After commit dce4551cb2ad ("udp: preserve head state for IP_CMSG_PASSSEC")
> we preserve the secpath for the whole skb lifecycle, but we also
> end up leaking a reference to it.
> 
> We must clear the head state on skb reception, if secpath is
> present.
> 
> Fixes: dce4551cb2ad ("udp: preserve head state for IP_CMSG_PASSSEC")
> Signed-off-by: Yossi Kuperman <yossiku@...lanox.com>
> Signed-off-by: Paolo Abeni <pabeni@...hat.com>

Applied.