This is a note to let you know that I've just added the patch titled
Revert "ip6tnl: fix use after free of fb_tnl_dev"
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
revert-ip6tnl-fix-use-after-free-of-fb_tnl_dev.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Tue Feb 4 09:07:36 PST 2014
From: Nicolas Dichtel <nicolas.dichtel@xxxxxxxxx>
Date: Fri, 31 Jan 2014 09:24:05 +0100
Subject: Revert "ip6tnl: fix use after free of fb_tnl_dev"
From: Nicolas Dichtel <nicolas.dichtel@xxxxxxxxx>
[ No relevant upstream commit. ]
This reverts commit 22c3ec552c29cf4bd4a75566088950fe57d860c4.
This patch is not the right fix, it introduces a memory leak when a netns is
destroyed (the FB device is never deleted).
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@xxxxxxxxx>
Reported-by: Steven Rostedt <srostedt@xxxxxxxxxx>
Tested-by: Steven Rostedt <srostedt@xxxxxxxxxx> (and our entire MRG team)
Tested-by: "Luis Claudio R. Goncalves" <lgoncalv@xxxxxxxxxx>
Tested-by: John Kacur <jkacur@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/ipv6/ip6_tunnel.c | 2 ++
1 file changed, 2 insertions(+)
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1711,6 +1711,8 @@ static void __net_exit ip6_tnl_destroy_t
}
}
+ t = rtnl_dereference(ip6n->tnls_wc[0]);
+ unregister_netdevice_queue(t->dev, &list);
unregister_netdevice_many(&list);
}
Patches currently in stable-queue which might be from nicolas.dichtel@xxxxxxxxx are
queue-3.10/sit-fix-double-free-of-fb_tunnel_dev-on-exit.patch
queue-3.10/ip6tnl-fix-double-free-of-fb_tnl_dev-on-exit.patch
queue-3.10/revert-ip6tnl-fix-use-after-free-of-fb_tnl_dev.patch
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