From: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
To: Christoph Lameter <clameter@sgi.com>
Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: 2.6.22-rc2-mm1
Date: Wed, 23 May 2007 23:05:24 +0200 [thread overview]
Message-ID: <4654AC94.6080601@googlemail.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0705231016330.20031@schroedinger.engr.sgi.com>
Christoph Lameter napisał(a):
> On Wed, 23 May 2007, Michal Piotrowski wrote:
>
>> Christoph, this looks like a bug in SLUB.
>
> Please boot with slub_debug to find the bad code that overwrites a slab
> object after it was freed.
>
>
[ 19.096577] Real Time Clock Driver v1.12ac
[ 21.650315] *** SLUB kmalloc-8: Redzone Active@0xc90f6d20 slab 0xc528c530
[ 21.657365] offset=3360 flags=0x400000c3 inuse=61 freelist=0xc90f6d58
[ 21.664349] Bytes b4 0xc90f6d10: 00 00 00 00 00 00 00 00 5a 5a 5a 5a 5a 5a 5a 5a ........ZZZZZZZZ
[ 21.674305] Object 0xc90f6d20: 31 30 31 39 2e 30 30 35 1019.005
[ 21.684259] Redzone 0xc90f6d28: 00 cc cc cc .ллл
[ 21.694265] FreePointer 0xc90f6d2c -> 0xc90f6d58
[ 21.699061] Last alloc: get_modalias+0x61/0xf5 jiffies_ago=53 cpu=1 pid=554
[ 21.706362] Filler 0xc90f6d50: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
[ 21.716364] [<c010523d>] dump_trace+0x63/0x1eb
[ 21.721117] [<c01053df>] show_trace_log_lvl+0x1a/0x2f
[ 21.726466] [<c010601d>] show_trace+0x12/0x14
[ 21.731096] [<c0106035>] dump_stack+0x16/0x18
[ 21.735790] [<c017e0fa>] object_err+0x143/0x14b
[ 21.740575] [<c017e2cc>] check_object+0x66/0x234
[ 21.745582] [<c017eb43>] __slab_free+0x239/0x384
[ 21.750503] [<c017f446>] kfree+0xa6/0xc6
[ 21.754706] [<c02e2335>] get_modalias+0xb9/0xf5
[ 21.759517] [<c02e23b7>] dmi_dev_uevent+0x27/0x3c
[ 21.764537] [<c027866a>] dev_uevent+0x1ad/0x1da
[ 21.769429] [<c0205024>] kobject_uevent_env+0x20a/0x45b
[ 21.774970] [<c020527f>] kobject_uevent+0xa/0xf
[ 21.779834] [<c02779f1>] store_uevent+0x4f/0x58
[ 21.784678] [<c027758e>] dev_attr_store+0x29/0x2f
[ 21.789688] [<c01bec4f>] sysfs_write_file+0x16e/0x19c
[ 21.795022] [<c0183ba7>] vfs_write+0xd1/0x15a
[ 21.799673] [<c01841d7>] sys_write+0x3d/0x72
[ 21.804284] [<c0104112>] sysenter_past_esp+0x5f/0x99
[ 21.809606] [<b7f7b410>] 0xb7f7b410
[ 21.813379] =======================
[ 21.817083] @@@ SLUB kmalloc-8: Restoring redzone (0xcc) from 0xc90f6d28-0xc90f6d2b
Here is another one
[ 0.182216] PM: Adding info for No Bus:id
[ 0.182333] *** SLUB kmalloc-8: Redzone Active@0xc7838188 slab 0xc521cfc0
[ 0.182395] offset=392 flags=0x400000c3 inuse=8 freelist=0xc78381c0
[ 0.182455] Bytes b4 0xc7838178: 00 00 00 00 00 00 00 00 5a 5a 5a 5a 5a 5a 5a 5a ........ZZZZZZZZ
[ 0.183299] Object 0xc7838188: 31 30 31 39 2e 30 30 35 1019.005
[ 0.184141] Redzone 0xc7838190: 00 cc cc cc .ллл
[ 0.184980] FreePointer 0xc7838194 -> 0xc78381c0
[ 0.185038] Last alloc: get_modalias+0x61/0xf5 jiffies_ago=0 cpu=0 pid=1
[ 0.185196] Filler 0xc78381b8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
[ 0.186043] [<c010523d>] dump_trace+0x63/0x1eb
[ 0.186155] [<c01053df>] show_trace_log_lvl+0x1a/0x2f
[ 0.186262] [<c010601d>] show_trace+0x12/0x14
[ 0.186368] [<c0106035>] dump_stack+0x16/0x18
[ 0.187567] [<c017e0fa>] object_err+0x143/0x14b
[ 0.187677] [<c017e2cc>] check_object+0x66/0x234
[ 0.187788] [<c017eb43>] __slab_free+0x239/0x384
[ 0.187895] [<c017f446>] kfree+0xa6/0xc6
[ 0.188001] [<c02e2335>] get_modalias+0xb9/0xf5
[ 0.188111] [<c02e23b7>] dmi_dev_uevent+0x27/0x3c
[ 0.188219] [<c027866a>] dev_uevent+0x1ad/0x1da
[ 0.188328] [<c0205024>] kobject_uevent_env+0x20a/0x45b
[ 0.188438] [<c020527f>] kobject_uevent+0xa/0xf
[ 0.188544] [<c02782bd>] device_add+0x274/0x45f
[ 0.188650] [<c02784ba>] device_register+0x12/0x15
[ 0.188761] [<c0504d25>] dmi_id_init+0x256/0x26c
[ 0.188869] [<c04ec505>] kernel_init+0x14e/0x2bf
[ 0.188976] [<c0104e0b>] kernel_thread_helper+0x7/0x10
[ 0.189083] =======================
[ 0.189143] @@@ SLUB kmalloc-8: Restoring redzone (0xcc) from 0xc7838190-0xc7838193
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.22-rc2-mm1/mm-dmesg
http://www.stardust.webpages.pl/files/tbf/bitis-gabonica/2.6.22-rc2-mm1/mm-config
Regards,
Michal
--
Michal K. K. Piotrowski
Kernel Monkeys
(http://kernel.wikidot.com/start)
next prev parent reply other threads:[~2007-05-23 21:06 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-23 7:42 2.6.22-rc2-mm1 Andrew Morton
2007-05-23 7:48 ` 2.6.22-rc2-mm1 Andrew Morton
2007-05-23 9:22 ` 2.6.22-rc2-mm1 Rafael J. Wysocki
2007-05-23 14:47 ` 2.6.22-rc2-mm1 Alan Stern
2007-05-23 15:54 ` 2.6.22-rc2-mm1 Andrew Morton
2007-05-23 16:09 ` 2.6.22-rc2-mm1 Oleg Nesterov
2007-05-23 17:00 ` 2.6.22-rc2-mm1 Alan Stern
2007-05-23 16:21 ` 2.6.22-rc2-mm1 Oleg Nesterov
2007-05-23 18:41 ` 2.6.22-rc2-mm1 Alan Stern
2007-05-23 9:47 ` 2.6.22-rc2-mm1 Michal Piotrowski
2007-05-23 17:18 ` 2.6.22-rc2-mm1 Christoph Lameter
2007-05-23 21:05 ` Michal Piotrowski [this message]
2007-05-23 22:01 ` 2.6.22-rc2-mm1 Andrew Morton
2007-05-23 22:18 ` 2.6.22-rc2-mm1 Michal Piotrowski
2007-05-23 22:27 ` 2.6.22-rc2-mm1 Christoph Lameter
2007-05-23 22:37 ` 2.6.22-rc2-mm1 Andrew Morton
2007-05-23 23:36 ` 2.6.22-rc2-mm1 Christoph Lameter
2007-05-24 1:21 ` 2.6.22-rc2-mm1 Randy Dunlap
2007-05-24 2:43 ` 2.6.22-rc2-mm1 Christoph Lameter
2007-05-24 3:00 ` 2.6.22-rc2-mm1 Christoph Lameter
2007-05-24 3:26 ` 2.6.22-rc2-mm1 Randy Dunlap
2007-05-24 7:31 ` 2.6.22-rc2-mm1 Ingo Molnar
2007-05-24 16:40 ` 2.6.22-rc2-mm1 Christoph Lameter
2007-05-24 21:20 ` 2.6.22-rc2-mm1 Christoph Lameter
2007-05-24 21:29 ` 2.6.22-rc2-mm1 Andrew Morton
2007-05-24 21:55 ` 2.6.22-rc2-mm1 Randy Dunlap
2007-05-24 22:35 ` 2.6.22-rc2-mm1 Christoph Lameter
2007-05-24 22:53 ` 2.6.22-rc2-mm1 Andrew Morton
2007-05-30 21:34 ` [PATCH 1/3] hexdump: more output formatting Randy Dunlap
2007-05-30 21:42 ` Christoph Lameter
2007-05-30 21:45 ` Randy Dunlap
2007-05-31 1:45 ` [PATCH 1/3 v2] " Randy Dunlap
2007-05-30 21:56 ` [PATCH 1/3] " Satyam Sharma
2007-05-30 22:03 ` Randy Dunlap
2007-05-30 22:11 ` Satyam Sharma
2007-05-30 22:18 ` Christoph Lameter
2007-05-30 22:41 ` Satyam Sharma
2007-05-30 22:44 ` Randy Dunlap
2007-05-30 22:48 ` Satyam Sharma
2007-05-30 22:59 ` Randy Dunlap
2007-05-30 22:25 ` Randy Dunlap
2007-05-30 22:36 ` Jesper Juhl
2007-05-30 23:04 ` Randy Dunlap
2007-05-30 23:07 ` Jesper Juhl
2007-05-30 21:34 ` [PATCH 2/3 -mm] slub: use lib/hexdump Randy Dunlap
2007-05-30 21:45 ` Christoph Lameter
2007-05-30 21:48 ` Randy Dunlap
2007-05-30 21:51 ` Christoph Lameter
2007-05-30 21:54 ` Randy Dunlap
2007-05-30 22:03 ` Christoph Lameter
2007-05-30 22:06 ` Randy Dunlap
2007-05-31 1:39 ` Randy Dunlap
2007-05-23 22:24 ` 2.6.22-rc2-mm1 Christoph Lameter
2007-05-23 12:01 ` 2.6.22-rc2-mm1 Gabriel C
2007-05-23 16:01 ` 2.6.22-rc2-mm1 Andrew Morton
2007-05-23 15:02 ` 2.6.22-rc2-mm1 William Lee Irwin III
2007-05-23 15:28 ` 2.6.22-rc2-mm1 William Lee Irwin III
2007-05-23 16:08 ` 2.6.22-rc2-mm1 William Lee Irwin III
2007-05-23 16:29 ` 2.6.22-rc2-mm1 William Lee Irwin III
2007-05-23 17:27 ` 2.6.22-rc2-mm1 William Lee Irwin III
2007-05-23 23:17 ` 2.6.22-rc2-mm1 Zan Lynx
2007-05-23 23:27 ` 2.6.22-rc2-mm1 Andrew Morton
2007-05-23 23:40 ` 2.6.22-rc2-mm1 Jiri Kosina
2007-05-24 3:28 ` 2.6.22-rc2-mm1 Dmitry Torokhov
2007-05-24 7:28 ` 2.6.22-rc2-mm1 Jiri Kosina
2007-05-30 14:08 ` [PATCH] Input: i8042 - cleanup of debug code (was Re: 2.6.22-rc2-mm1) Jiri Kosina
2007-05-30 14:27 ` Dmitry Torokhov
2007-05-30 14:30 ` Jiri Kosina
[not found] ` <1180058760.7001.6.camel@oberon.rnd.esoft.com>
2007-05-25 7:23 ` 2.6.22-rc2-mm1 Jiri Kosina
2007-05-23 23:50 ` 2.6.22-rc2-mm1 Andrew Morton
2007-05-24 10:36 ` rmmod e1000 hangs (Was Re: 2.6.22-rc2-mm1) Jeremy Fitzhardinge
2007-05-24 10:47 ` Herbert Xu
2007-05-24 10:54 ` Herbert Xu
2007-05-24 14:44 ` Kok, Auke
2007-05-25 12:54 ` Herbert Xu
2007-05-25 13:04 ` Herbert Xu
2007-05-25 13:32 ` Herbert Xu
2007-05-25 22:12 ` Kok, Auke
2007-05-25 23:48 ` Jeff Garzik
2007-05-26 0:10 ` Herbert Xu
2007-05-25 21:20 ` idle=poll burns my box [was Re: 2.6.22-rc2-mm1] J.A. Magallón
2007-05-25 21:52 ` Andrew Morton
2007-05-26 15:59 ` 2.6.22-rc2-mm1 Tilman Schmidt
2007-05-26 16:01 ` 2.6.22-rc2-mm1 Andrew Morton
2007-05-27 22:16 ` 2.6.22-rc2-mm1 Tilman Schmidt
2007-05-27 22:41 ` 2.6.22-rc2-mm1 Kay Sievers
2007-05-28 17:22 ` 2.6.22-rc2-mm1 Cornelia Huck
2007-05-29 7:56 ` 2.6.22-rc2-mm1 Kay Sievers
2007-05-29 7:25 ` 2.6.22-rc2-mm1 Cornelia Huck
2007-05-29 14:43 ` 2.6.22-rc2-mm1 Matt Mackall
2007-05-29 16:55 ` 2.6.22-rc2-mm1 Tilman Schmidt
2007-05-29 17:25 ` 2.6.22-rc2-mm1 Cornelia Huck
2007-06-01 12:38 ` 2.6.22-rc2-mm1 Greg KH
2007-07-03 8:50 ` 2.6.22-rc2-mm1 Cornelia Huck
2007-07-12 6:00 ` 2.6.22-rc2-mm1 Greg KH
2007-05-28 10:27 ` 2.6.22-rc2-mm1 - a different BUG: at mm/slab.c:777 __find_general_cachep() Valdis.Kletnieks
2007-05-28 10:43 ` Pekka Enberg
2007-05-28 11:12 ` Valdis.Kletnieks
2007-05-29 4:22 ` 2.6.22-rc2-mm1: SLUB Randy Dunlap
2007-05-29 17:13 ` Christoph Lameter
2007-05-29 18:13 ` Randy Dunlap
2007-05-29 18:30 ` Christoph Lameter
2007-05-29 18:32 ` Christoph Lameter
2007-05-29 18:59 ` Randy Dunlap
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