From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Gao feng <gaofeng@cn.fujitsu.com>
Cc: netfilter-devel@vger.kernel.org, netdev@vger.kernel.org,
lclaudio@uudg.org, williams@redhat.com
Subject: Re: [PATCH] nfnetlink_log: unset nf_loggers for net namespace when unload nfnetlink_log
Date: Fri, 20 Dec 2013 10:39:27 +0100 [thread overview]
Message-ID: <20131220093927.GA13151@localhost> (raw)
In-Reply-To: <1387177162-2725-1-git-send-email-gaofeng@cn.fujitsu.com>
On Mon, Dec 16, 2013 at 02:59:22PM +0800, Gao feng wrote:
> Steven Rostedt and Arnaldo Carvalho de Melo reported a panic
> when access the files /proc/sys/net/netfilter/nf_log/*.
>
> This problem will occur when we do
> echo nfnetlink_log > /proc/sys/net/netfilter/nf_log/any_file
> ,rmmod nfnetlink_log, and then access the files.
>
> Since the nf_loggers of netns hasn't been unset, it will point
> to the memory that has been freed.
>
> This bug is introduced by commit 9368a53c471b42a1bd99117d590ce2ccdc8dc3c2
> "netfilter: nfnetlink_log: add net namespace support for nfnetlink_log"
Applied, thanks.
prev parent reply other threads:[~2013-12-20 9:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-14 15:10 [BUG][3.10.15] reading from /proc/sys/net/netfilter/nf_log/* Steven Rostedt
2013-12-16 6:55 ` Gao feng
2013-12-18 20:55 ` Steven Rostedt
2013-12-18 21:08 ` Florian Westphal
2013-12-18 21:11 ` Steven Rostedt
2013-12-19 2:09 ` Gao feng
2013-12-16 6:59 ` [PATCH] nfnetlink_log: unset nf_loggers for net namespace when unload nfnetlink_log Gao feng
2013-12-20 9:39 ` Pablo Neira Ayuso [this message]
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