linux-kernel - Re: [PATCH net] ipv6: fix tunnel error handling

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Message-Id: <20151103.105247.855059013530025317.davem@davemloft.net>
Date:	Tue, 03 Nov 2015 10:52:47 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	mkubecek@...e.cz
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	kuznet@....inr.ac.ru, jmorris@...ei.org, yoshfuji@...ux-ipv6.org,
	kaber@...sh.net, miyazawa@...ux-ipv6.org
Subject: Re: [PATCH net] ipv6: fix tunnel error handling

From: Michal Kubecek <mkubecek@...e.cz>
Date: Tue,  3 Nov 2015 08:51:07 +0100 (CET)

> Both tunnel6_protocol and tunnel46_protocol share the same error
> handler, tunnel6_err(), which traverses through tunnel6_handlers list.
> For ipip6 tunnels, we need to traverse tunnel46_handlers as we do e.g.
> in tunnel46_rcv(). Current code can generate an ICMPv6 error message
> with an IPv4 packet embedded in it.
> 
> Fixes: 73d605d1abbd ("[IPSEC]: changing API of xfrm6_tunnel_register")
> Signed-off-by: Michal Kubecek <mkubecek@...e.cz>

Good catch, applied and queued up for -stable.
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