On Tue, Dec 17, 2013 at 02:40:02PM -0500, David Miller wrote:
> From: Nicolas Dichtel <nicolas.dichtel@xxxxxxxxx>
> Date: Fri, 13 Dec 2013 10:06:35 +0100
>
> > The upstream commit bb8140947a24 ("ip6tnl: allow to use rtnl ops on fb tunnel")
> > (backported into linux-3.10.y) left a bug which was fixed upstream by commit
> > 1e9f3d6f1c40 ("ip6tnl: fix use after free of fb_tnl_dev").
> >
> > The problem is a bit different in linux-3.10.y, because there is no x-netns
> > support (upstream commit 0bd8762824e7 ("ip6tnl: add x-netns support")).
> > When ip6_tunnel.ko is unloaded, FB device is deleted by rtnl_link_unregister()
> > and then we try to delete it again in ip6_tnl_destroy_tunnels().
> >
> > This patch removes the second deletion.
> >
> > Reported-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
> > Suggested-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
> > Signed-off-by: Nicolas Dichtel <nicolas.dichtel@xxxxxxxxx>
>
> Greg please queue this up for 3.10 -stable if you haven't already.
As I'm picking the networking patches into the 3.11 kernel as well, I
believe this fix is also applicable. I'm queuing it for the 3.11 kernel.
Cheers,
--
Luis
>
> Thanks a lot.
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