From: David Miller <davem@davemloft.net>
To: nicolas.dichtel@6wind.com
Cc: netdev@vger.kernel.org, gregkh@linuxfoundation.org,
rostedt@goodmis.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org, williams@redhat.com,
linux-rt-users@vger.kernel.org, lclaudio@uudg.org
Subject: Re: [PATCH linux-3.10.y] ip6tnl: fix use after free of fb_tnl_dev
Date: Tue, 17 Dec 2013 14:40:02 -0500 (EST) [thread overview]
Message-ID: <20131217.144002.1716319550180883592.davem@davemloft.net> (raw)
In-Reply-To: <1386925595-4995-1-git-send-email-nicolas.dichtel@6wind.com>
From: Nicolas Dichtel <nicolas.dichtel@6wind.com>
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@goodmis.org>
> Suggested-by: Steven Rostedt <rostedt@goodmis.org>
> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Greg please queue this up for 3.10 -stable if you haven't already.
Thanks a lot.
next prev parent reply other threads:[~2013-12-17 19:40 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-14 2:14 [BUG] stable v3.10.16+ introduced by "ip6tnl: allow to use rtnl ops on fb tunnel" Steven Rostedt
2013-11-14 14:47 ` [PATCH net] ip6tnl: fix use after free of fb_tnl_dev Nicolas Dichtel
2013-11-14 15:40 ` Willem de Bruijn
2013-11-14 22:05 ` David Miller
2013-11-14 22:18 ` Steven Rostedt
2013-12-09 0:25 ` [BUG] stable v3.10.16+ introduced by "ip6tnl: allow to use rtnl ops on fb tunnel" Greg Kroah-Hartman
2013-12-09 14:48 ` Steven Rostedt
2013-12-09 14:54 ` Steven Rostedt
2013-12-11 21:53 ` David Miller
2013-12-12 9:53 ` Nicolas Dichtel
2013-12-12 20:35 ` David Miller
2013-12-13 9:06 ` [PATCH linux-3.10.y] ip6tnl: fix use after free of fb_tnl_dev Nicolas Dichtel
2013-12-17 19:40 ` David Miller [this message]
2013-12-17 19:54 ` Greg KH
2013-12-19 10:07 ` Luis Henriques
2013-12-19 10:23 ` Nicolas Dichtel
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