From: Dave Jones <davej@redhat.com>
To: axboe@kernel.dk
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: MAX_LOCKDEP_ENTRIES too low (called from ioc_release_fn)
Date: Wed, 17 Oct 2012 21:53:12 -0400 [thread overview]
Message-ID: <20121018015312.GA29865@redhat.com> (raw)
Triggered while fuzz testing..
BUG: MAX_LOCKDEP_ENTRIES too low!
turning off the locking correctness validator.
Pid: 22788, comm: kworker/2:1 Not tainted 3.7.0-rc1+ #34
Call Trace:
[<ffffffff810decdd>] add_lock_to_list.isra.29.constprop.45+0xdd/0xf0
[<ffffffff810e2871>] __lock_acquire+0x1121/0x1ba0
[<ffffffff810e3a12>] lock_acquire+0xa2/0x220
[<ffffffff8117bad2>] ? free_one_page+0x32/0x450
[<ffffffff816c5a59>] ? sub_preempt_count+0x79/0xd0
[<ffffffff816c0800>] _raw_spin_lock+0x40/0x80
[<ffffffff8117bad2>] ? free_one_page+0x32/0x450
[<ffffffff8117bad2>] free_one_page+0x32/0x450
[<ffffffff8117bf41>] ? __free_pages_ok.part.58+0x51/0x110
[<ffffffff8117bf9c>] __free_pages_ok.part.58+0xac/0x110
[<ffffffff8117cd73>] __free_pages+0x73/0x90
[<ffffffff811cb4f3>] __free_slab+0xd3/0x1b0
[<ffffffff811cb609>] discard_slab+0x39/0x50
[<ffffffff816b77db>] __slab_free+0x378/0x3a3
[<ffffffff81341289>] ? ioc_release_fn+0x99/0xe0
[<ffffffff81341289>] ? ioc_release_fn+0x99/0xe0
[<ffffffff811cd4e2>] kmem_cache_free+0x2f2/0x320
[<ffffffff816c5a59>] ? sub_preempt_count+0x79/0xd0
[<ffffffff81341289>] ioc_release_fn+0x99/0xe0
[<ffffffff81095a37>] process_one_work+0x207/0x780
[<ffffffff810959c7>] ? process_one_work+0x197/0x780
[<ffffffff813411f0>] ? get_io_context+0x20/0x20
[<ffffffff8109638e>] worker_thread+0x15e/0x440
[<ffffffff81096230>] ? rescuer_thread+0x240/0x240
[<ffffffff8109d0cd>] kthread+0xed/0x100
[<ffffffff810de02e>] ? put_lock_stats.isra.25+0xe/0x40
[<ffffffff8109cfe0>] ? kthread_create_on_node+0x160/0x160
[<ffffffff816c9dac>] ret_from_fork+0x7c/0xb0
[<ffffffff8109cfe0>] ? kthread_create_on_node+0x160/0x160
next reply other threads:[~2012-10-18 1:53 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-18 1:53 Dave Jones [this message]
2012-10-18 5:53 ` MAX_LOCKDEP_ENTRIES too low (called from ioc_release_fn) Jens Axboe
2012-10-19 5:21 ` Dave Jones
2012-10-19 12:49 ` Peter Zijlstra
2012-10-19 19:29 ` Dave Jones
2012-10-23 19:50 ` MAX_LOCKDEP_ENTRIES too low Dave Jones
2012-10-24 20:24 ` pi futex oops in __lock_acquire Dave Jones
2012-10-25 4:44 ` Darren Hart
2012-10-25 11:09 ` Dave Jones
2012-11-20 16:46 ` Dave Jones
2012-11-20 17:27 ` Darren Hart
2012-11-20 23:10 ` Darren Hart
2012-11-21 0:30 ` Darren Hart
2012-11-21 17:37 ` Darren Hart
2012-11-21 17:46 ` Dave Jones
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