Le 19/12/2013 11:07, Luis Henriques a écrit :
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.
Yes, I agree.
Regards,
Nicolas
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