From: Sasha Levin <sasha.levin@oracle.com>
To: pablo@netfilter.org, kaber@trash.net, kadlec@blackhole.kfki.hu,
"David S. Miller" <davem@davemloft.net>
Cc: netfilter-devel@vger.kernel.org, coreteam@netfilter.org,
netdev@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: netfilter: active obj WARN when cleaning up
Date: Sat, 07 Sep 2013 09:10:13 -0400 [thread overview]
Message-ID: <522B25B5.6000808@oracle.com> (raw)
Hi all,
While fuzzing with trinity inside a KVM tools guest, running latest -next kernel, I've
stumbled on the following:
[ 418.311956] ------------[ cut here ]------------
[ 418.312449] WARNING: CPU: 6 PID: 4178 at lib/debugobjects.c:260 debug_print_object+0x8d/0xb0()
[ 418.313243] ODEBUG: free active (active state 0) object type: timer_list hint:
delayed_work_timer_fn+0x0/0x20
[ 418.314038] Modules linked in:
[ 418.314038] CPU: 6 PID: 4178 Comm: kworker/u16:2 Tainted: G W
3.11.0-next-20130906-sasha #3984
[ 418.314038] Workqueue: netns cleanup_net
[ 418.314038] 0000000000000104 ffff880410371a58 ffffffff841b7815 0000000000000104
[ 418.314038] ffff880410371aa8 ffff880410371a98 ffffffff8112540c ffff880410371a78
[ 418.314038] ffffffff853ea0ab ffff8800bdc68b80 ffffffff85a65c00 ffffffff87676658
[ 418.314038] Call Trace:
[ 418.314038] [<ffffffff841b7815>] dump_stack+0x52/0x87
[ 418.320315] [<ffffffff8112540c>] warn_slowpath_common+0x8c/0xc0
[ 418.321040] [<ffffffff811254f6>] warn_slowpath_fmt+0x46/0x50
[ 418.321101] [<ffffffff81a60ded>] debug_print_object+0x8d/0xb0
[ 418.321101] [<ffffffff811444e0>] ? __queue_work+0x390/0x390
[ 418.321101] [<ffffffff81a61605>] __debug_check_no_obj_freed+0xa5/0x220
[ 418.321101] [<ffffffff81249e76>] ? kmem_cache_destroy+0x86/0xe0
[ 418.321101] [<ffffffff81a61795>] debug_check_no_obj_freed+0x15/0x20
[ 418.321101] [<ffffffff812874d7>] kmem_cache_free+0x197/0x340
[ 418.321101] [<ffffffff81249e76>] kmem_cache_destroy+0x86/0xe0
[ 418.321101] [<ffffffff83d5d681>] nf_conntrack_cleanup_net_list+0x131/0x170
[ 418.321101] [<ffffffff83d5ec5d>] nf_conntrack_pernet_exit+0x5d/0x70
[ 418.321101] [<ffffffff83cda1ce>] ops_exit_list+0x5e/0x70
[ 418.321101] [<ffffffff83cda80b>] cleanup_net+0xfb/0x1c0
[ 418.321101] [<ffffffff81145c28>] process_one_work+0x338/0x550
[ 418.321101] [<ffffffff81145b50>] ? process_one_work+0x260/0x550
[ 418.321883] [<ffffffff81147605>] worker_thread+0x215/0x350
[ 418.321883] [<ffffffff811473f0>] ? manage_workers+0x180/0x180
[ 418.321883] [<ffffffff81150887>] kthread+0xe7/0xf0
[ 418.321883] [<ffffffff811507a0>] ? __init_kthread_worker+0x70/0x70
[ 418.321883] [<ffffffff841c7a2c>] ret_from_fork+0x7c/0xb0
[ 418.321883] [<ffffffff811507a0>] ? __init_kthread_worker+0x70/0x70
[ 418.321883] ---[ end trace c974221542b61d0d ]---
Thanks,
Sasha
next reply other threads:[~2013-09-07 13:10 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-07 13:10 Sasha Levin [this message]
2013-11-26 19:11 ` netfilter: active obj WARN when cleaning up Sasha Levin
2013-11-26 23:07 ` Pablo Neira Ayuso
2013-11-26 23:13 ` Sasha Levin
2013-11-27 10:45 ` Thomas Gleixner
2013-11-27 11:39 ` Russell King - ARM Linux
2013-11-27 13:29 ` Thomas Gleixner
2013-11-27 13:32 ` Russell King - ARM Linux
2013-11-27 13:40 ` Russell King - ARM Linux
2013-11-27 13:44 ` Thomas Gleixner
2013-11-27 23:34 ` Greg KH
2013-12-02 16:33 ` Christoph Lameter
2013-12-02 16:40 ` Greg KH
2013-12-02 17:18 ` Christoph Lameter
2013-12-02 17:26 ` Greg KH
2013-12-02 19:00 ` Christoph Lameter
2013-12-02 19:08 ` Greg KH
2013-12-02 19:41 ` Christoph Lameter
2013-12-02 21:22 ` Greg KH
2013-12-02 21:55 ` Christoph Lameter
2013-12-02 22:22 ` Greg KH
2013-12-03 15:22 ` Christoph Lameter
2013-12-17 19:53 ` Sasha Levin
2013-12-17 20:37 ` Christoph Lameter
2013-12-17 22:09 ` Sasha Levin
2013-12-17 22:01 ` Thomas Gleixner
2013-12-19 12:12 ` Bart Van Assche
2013-12-19 14:20 ` Bart Van Assche
2013-11-27 13:41 ` Thomas Gleixner
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