netdev - Warning when unloading the nf_conntack module (regression?)

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Message-ID: <20080803143730.7747e9a8@infradead.org>
Date:	Sun, 3 Aug 2008 14:37:30 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	netdev@...r.kernel.org
Subject: Warning when unloading the nf_conntack module (regression?)

The warning below started showing up on kerneloops.org in the top 20 and it appears to
be new in 2.6.27-rc (e.g. a regression)...

It happens when nf_conntrack is rmmod'd


The reports:
http://www.kerneloops.org/search.php?search=nf_conntrack_acct_fini

The warning:

WARNING: at kernel/sysctl.c:1966 unregister_sysctl_table+0xcc/0x103()

Modules : nf_conntrack(-)

Call Trace:
 [<ffffffff81043bc8>] warn_on_slowpath+0x65/0x98
 [<ffffffff8104abdf>] unregister_sysctl_table+0xcc/0x103
 [<ffffffffa0306655>] nf_conntrack_acct_fini+0x15/0x23 [nf_conntrack]
 [<ffffffffa03018a1>] nf_conntrack_cleanup+0x84/0x86 [nf_conntrack]
 [<ffffffffa0306944>] nf_conntrack_standalone_fini+0x40/0x42 [nf_conntrack] 
 [<ffffffff810700d0>] sys_delete_module+0x202/0x263
 [<ffffffff8101034a>] system_call_fastpath+0x16/0x1b


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