Date: Thu, 29 Jun 2017 14:35:37 +0200
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Ben Hutchings <ben.hutchings@codethink.co.uk>
Cc: "David S. Miller" <davem@davemloft.net>, linux-kernel@vger.kernel.org,
        stable@vger.kernel.org, "Jonathan T. Leighton" <jtleight@udel.edu>,
        Sasha Levin <alexander.levin@verizon.com>
Subject: Re: [PATCH 4.4 09/46] ipv6: Inhibit IPv4-mapped src address on the
 wire.
Message-ID: <20170629123537.GA8251@kroah.com>
References: <20170615175218.286057711@linuxfoundation.org>
 <20170615175218.730377582@linuxfoundation.org>
 <1498738415.1935.31.camel@codethink.co.uk>
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On Thu, Jun 29, 2017 at 01:13:35PM +0100, Ben Hutchings wrote:
> On Thu, 2017-06-15 at 19:52 +0200, Greg Kroah-Hartman wrote:
> > 4.4-stable review patch.  If anyone has any objections, please let me know.
> > 
> > ------------------
> > 
> > From: "Jonathan T. Leighton" <jtleight@udel.edu>
> > 
> > 
> > [ Upstream commit ec5e3b0a1d41fbda0cc33a45bc9e54e91d9d12c7 ]
> > 
> > This patch adds a check for the problematic case of an IPv4-mapped IPv6
> > source address and a destination address that is neither an IPv4-mapped
> > IPv6 address nor in6addr_any, and returns an appropriate error. The
> > check in done before returning from looking up the route.
> 
> I think this needs to be followed by:
> 
> commit 00ea1ceebe0d9f2dc1cc2b7bd575a00100c27869
> Author: Willem de Bruijn <willemb@google.com>
> Date:   Sat Feb 18 19:00:45 2017 -0500
> 
>     ipv6: release dst on error in ip6_dst_lookup_tail
> 
> Ben.

Ah, nice catch.  Same thing goes for 4.9-stable, I'll go queue these up
there, thanks!

greg k-h