From: Nicolas Dichtel <[email protected]>
Date: Thu, 14 Nov 2013 15:47:03 +0100
> Bug has been introduced by commit bb8140947a24 ("ip6tnl: allow to use rtnl ops
> on fb tunnel").
>
> When ip6_tunnel.ko is unloaded, FB device is delete by rtnl_link_unregister()
> and then we try to use the pointer in ip6_tnl_destroy_tunnels().
>
> Let's add an handler for dellink, which will never remove the FB tunnel. With
> this patch it will no more be possible to remove it via 'ip link del ip6tnl0',
> but it's safer.
>
> The same fix was already proposed by Willem de Bruijn <[email protected]> for
> sit interfaces.
>
> CC: Willem de Bruijn <[email protected]>
> Reported-by: Steven Rostedt <[email protected]>
> Signed-off-by: Nicolas Dichtel <[email protected]>
Applied and queued up for -stable, thanks for being so proactive about this
Nicolas.
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