2.6.23-rc1-mm1 Reiser4 / SLUB padding overwritten error

From: Zan Lynx
Date: Tue Jul 31 2007 - 17:39:22 EST

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I was just going along, playing some music and typing in gnome-terminals
when the system froze up.

System is AMD-64, Reiser4 filesystem.

This was taken off netconsole and I think some bits of it are missing,
or perhaps that Padding stuff just prints like that.

=============================================================================
BUG kmalloc-128: Padding overwritten. 0x000000000000003a-0x00000000fffffffe
-----------------------------------------------------------------------------

INFO: Slab 0xffff810001481e20 used=18 fp=0xffff81000d1cc000 flags=0x40000000000000c3

Call Trace:
[<ffffffff802a9389>] slab_err+0x99/0xc0
[<ffffffff8028d987>] pagevec_lookup+0x17/0x20
[<ffffffff802a94f3>] slab_pad_check+0xe3/0x120
[<ffffffff802a95ab>] check_slab+0x7b/0x90
[<ffffffff802aae39>] __slab_alloc+0x109/0x700
[<ffffffff80342ab3>] blocknr_set_add+0x113/0x180
[<ffffffff80342ab3>] blocknr_set_add+0x113/0x180
[<ffffffff802ab707>] kmem_cache_alloc+0xc7/0xd0
[<ffffffff80342ab3>] blocknr_set_add+0x113/0x180
[<ffffffff8033544e>] reiser4_dealloc_blocks+0x21e/0x260
[<ffffffff80367579>] kill_hook_extent+0x389/0x4a0
[<ffffffff803671f0>] kill_hook_extent+0x0/0x4a0
[<ffffffff8035b362>] call_kill_hooks+0x82/0xa0
[<ffffffff8036bd36>] max_item_key_by_coord+0x36/0x50
[<ffffffff8035b210>] kill_units+0x0/0xa0
[<ffffffff8035bf53>] prepare_for_compact+0x753/0x790
[<ffffffff8035dd50>] kill_tail+0x0/0x50
[<ffffffff8035b2b0>] kill_head+0x0/0x30
[<ffffffff8032a930>] jload_gfp+0x80/0x210
[<ffffffff8032ca02>] lock_carry_node+0x1e2/0x360
[<ffffffff8035c0ac>] kill_node40+0x3c/0xe0
[<ffffffff8032dbe4>] carry_cut+0x54/0x70
[<ffffffff8032d62e>] reiser4_carry+0xfe/0x2b0
[<ffffffff8032cc54>] reiser4_post_carry+0x54/0xe0
[<ffffffff80331dd1>] kill_node_content+0x161/0x880
[<ffffffff8032a930>] jload_gfp+0x80/0x210
[<ffffffff80332d8d>] cut_tree_worker_common+0x17d/0x3e0
[<ffffffff80332c10>] cut_tree_worker_common+0x0/0x3e0
[<ffffffff80330cb4>] reiser4_cut_tree_object+0x124/0x230
[<ffffffff80334a85>] reiser4_grab_space+0x45/0xa0
[<ffffffff80334cf7>] reiser4_grab_reserved+0x47/0x150
[<ffffffff8034f236>] cut_file_items+0xc6/0x1d0
[<ffffffff8034fdc0>] reiser4_update_file_size+0x0/0x90
[<ffffffff8034f741>] truncate_file_body+0xc1/0x400
[<ffffffff802331cb>] enqueue_entity+0xbb/0x270
[<ffffffff80232900>] enqueue_task+0x50/0x70
[<ffffffff80232cdd>] update_curr+0x13d/0x240
[<ffffffff802a999b>] check_bytes_and_report+0x4b/0x100
[<ffffffff802a9e64>] check_object+0x224/0x260
[<ffffffff802a9648>] init_object+0x88/0xa0
[<ffffffff802aae02>] __slab_alloc+0xd2/0x700
[<ffffffff802a999b>] check_bytes_and_report+0x4b/0x100
[<ffffffff8053717f>] _spin_unlock_irq+0x2f/0x50
[<ffffffff80536381>] __down_write_nested+0xa1/0xc0
[<ffffffff80352611>] get_exclusive_access+0x11/0x20
[<ffffffff8034fd3d>] delete_object_unix_file+0x5d/0xe0
[<ffffffff803332f3>] reiser4_init_context+0x63/0x80
[<ffffffff803435ae>] reiser4_delete_inode+0x7e/0xd0
[<ffffffff80343530>] reiser4_delete_inode+0x0/0xd0
[<ffffffff802c5d5a>] generic_delete_inode+0x7a/0x100
[<ffffffff802c26b1>] d_kill+0x41/0x70
[<ffffffff802c3816>] dput+0x86/0x160
[<ffffffff802bb12a>] sys_renameat+0x23a/0x260
[<ffffffff802aa4ed>] __slab_free+0xad/0x380
[<ffffffff80536db6>] _spin_lock_irqsave+0x46/0x60
[<ffffffff8053657c>] trace_hardirqs_on_thunk+0x35/0x37
[<ffffffff8020c1de>] system_call+0x7e/0x83

INFO: lockdep is turned off.
Padding 0xffff81000d1cc000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
6b 6b 6b 6b 6b a5 bb bb 0d 81 ïïïïïïïï.ï....ïï
bb ff ff 00 35 oï2.ïïïï....r5..
d7 01 00 d4 ff ff 00 00 35 d7 ff 1c ff 00 00 ïï....ïï........
6b 6b 6b 6b 6b Padding 0xffff81000d1cc140: 6b 6b cc cc cc c4 00 ff 25 ff Padding 0xffff81000d1cc160: 00 1a 79 ff 00 19 80 ff 00 32 00 4c ff 00 5a 5a 5a 6b 6b 6b 6b 6b 6b Padding 0xffff81000d1cc1a0: 6b 6b 6b kkkkkkkkkkkkkkkk
6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
Padding 0xffff81000d1cc1e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b Padding 0xffff81000d1cc200: 04 d4 ff ï.!.....ïï2.ïïïï
00 72 00 01 00 5a 5a 5a 78 65 ZZZZZZZZ\x2fdevi
65 78 63 30 3a Padding 0xffff81000d1cc270: 78 30 3a 3a 2e 32 66 62 78 33 2\x2fusb3\x2f3-1
78 2d 32 78 2d Padding 0xffff81000d1cc2a0: 31 32 33 32 .2.1\x2f3-1.2.1:
2e 78 69 75 78 1.1\x2finput\x2f
6e 74 78 int\x2fusbdev3.5
70 00 cc cc 1c ff 2c 80 ff ff ff ff ïï....ïïM6,.ïïïï
Padding 0xffff81000d1cc480: 00 00 00 00 30 1a 00 00 fd 00 Padding 0xffff81000d1cc490: 00 00 00 00 00 00 00 00 5a 5a ........ZZZZZZZZ
78 64 30 32 73 Padding 0xffff81000d1cc4e0: 32 2d 78 33 2e 32 32 31 2e 78 2\x2f3-1.2.1\x2f
31 2e 2e 5c 66 6e 5c 66 70 5c Padding 0xffff81000d1cc520: 6d 73 6b 6b 2fmouse2.kkkkkkï
cc cc cc 0d ff Padding 0xffff81000d1cc540: 2c ff 00 00 00 Padding 0xffff81000d1cc550: ff 00 26 ff ff 00 00 00 fd 00 ........b.ïï....
5a 5a 5a 32 65 ZZZZZZZZ\x2fdevi
65 78 32 66 70 63 69 30 30 30 30 3a 30 ces\x2fpci0000:0
Padding 0xffff81000d1cc590: 30 3a 3a 0\x2f0000:00:02.
32 32 62 78 33 Padding 0xffff81000d1cc5b0: 78 2d 32 32 31 2e Padding 0xffff81000d1cc5e0: 74 36 6b 6b cc cc cc 40 0d ff 2c ff @ï....ïïM6,.ïïïï
00 1a 91 ff 00 Padding 0xffff81000d1cc620: 00 00 00 00 00 00 00 00 5a 5a ........ZZZZZZZZ
78 64 63 5c 32 \x2fdevices\x2fp
69 30 30 32 30 ci0000:00\x2f000
30 30 32 32 73 33 32 2d 78 33 2e 32 32 31 32 78 2\x2f3-1.2.1\x2f
Padding 0xffff81000d1cc690: 33 2d 31 2e 32 2e 31 3a 31 2e 30 5c 78 66 Padding 0xffff81000d1cc6a0: 75 78 69 74 Padding 0xffff81000d1cc6b0: 65 6e 00 6b 6b Padding 0xffff81000d1cc6c0: 00 Padding 0xffff81000d1cc6f0: 00 00 00 00 00 5a 5a 5a 32 76 Padding 0xffff81000d1cc710: 73 32 63 30 30 30 66 30 30 30 0\x2f0000:00:02.
5c 75 33 32 2d Padding 0xffff81000d1cc740: 66 2d 32 66 31 2e 5c 32 2d 2e .2.1\x2f3-1.2.1:
30 32 69 75 32 69 75 76 65 6e 74 36 input6\x2fevent6
Padding 0xffff81000d1cc910: 00 6b 6b 6b 6b 6b 6b cc cc cc Padding 0xffff81000d1cc920: 0d ff 36 ff `ï....ïïM6,.ïïïï
00 46 00 fd 00 ....F.....ïï....
00 00 00 00 00 00 00 00 5a 5a 5a 5c 64 69 73 32 Padding 0xffff81000d1cc990: 33 5c 33 2e 32 32 31 31 32 Padding 0xffff81000d1cc9b0: 31 31 2e 78 75 73 6e 6f 74 78 sb_endpoint\x2fu
64 33 5f 38 6b Padding 0xffff81000d1cc9e0: cc cc ca 0d ïïïïïïïï(ï....ïï
36 ff 00 00 00 Padding 0xffff81000d1cca00: fd 00 00 00 Padding 0xffff81000d1cca10: 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
Padding 0xffff81000d1cca20: 5a 5a 5c 66 69 63 5c 66 69 30 ces\x2fpci0000:0
30 32 30 3a 30 0\x2f0000:00:02.
5c 66 62 32 2d Padding 0xffff81000d1cca60: 32 2e 78 33 \x2f3-1.2\x2f3-1
32 78 33 2e 64 35 65 32 a5 cc cc _ep82.kïïïïïïïï
1c 81 36 80 ff 1a 05 00 00 00 00 00 00 00 ................
00 00 00 5a 5a Padding 0xffff81000d1ccaf0: 32 65 69 73 32 Padding 0xffff81000d1ccb00: 30 30 30 32 30 30 30 30 32 32 62 Padding 0xffff81000d1ccb20: 33 5c 78 32 66 33 2d 31 5c 78 32 66 33 2d 31 2e Padding 0xffff81000d1ccb30: 78 33 2e 31 32 Padding 0xffff81000d1ccb40: 31 2e 2e 78 69 6e 74 66 70 37 nput\x2finput7\x
66 6e 00 6b 6b Padding 0xffff81000d1ccb70: cc cc ce 00 ff ï.ïï.....&,.ïïïï
00 00 fd 00 Padding 0xffff81000d1ccbb0: 5a 5a 5c 66 76 Padding 0xffff81000d1ccbc0: 73 66 69 30 ces\x2fpci0000:0
5c 66 30 30 30 0\x2f0000:00:02.
78 75 5c 32 32 31 5c 66 31 2e 31 66 31 2e .2.1\x2f3-1.2.1:
2e 32 6e 74 32 Padding 0xffff81000d1ccc20: 70 5c 66 00 6b 6b 6b 6b 6b 6b a5 cc cc cc cc cc cc cc cc 10 1c ff 36 ff .ï....ïïM6,.ïïïï
00 b0 d2 ff 00 Padding 0xffff81000d1ccdf0: 00 00 00 00 Padding 0xffff81000d1cce00: 00 00 5a 5a 5a 09 00 83 00 ........(.....ïï
00 14 00 ce 01 00 ca 01 00 b7 00 ïï......LïX.....
b8 00 00 00 00 Padding 0xffff81000d1cce70: 57 00 02 00 00 c3 00 00 00 00 ÃW.............
cc cc cc 1c 81 Padding 0xffff81000d1ccea0: 34 ff 00 00 00 Padding 0xffff81000d1cceb0: 21 32 ff Padding 0xffff81000d1ccec0: 00 00 00 21 01 00 00 00 ....r5..ï.!.....
Padding 0xffff81000d1cced0: 5a 5a 5a 5a 5a 5a 5a 5a 78 64 ZZZZZZZZ\x2fdevi
73 78 63 30 30 Padding 0xffff81000d1ccef0: 32 30 30 30 Padding 0xffff81000d1ccf00: 78 73 5c 32 2d 5c 66 31 78 33 31 32 78 33 78 76 37 00 6b a5 cc cc .kkkkkkïïïïïïïï
00 00 4d 80 ff Padding 0xffff81000d1ccf70: 00 00 fd 00 Padding 0xffff81000d1ccf80: 00 00 00 00 ................
00 00 5a 5a 5aFIX kmalloc-128: Restoring 0xffff81000d1cc000-0xffff81000d1ccfff=0x5a
-----------------------------------------------------------------------------
age=11936128522596731725 cpu=1515870810 pid=1515870810
INFO: Slab 0xffff810001481e20 used=18 fp=0xffff81000d1cc000 flags=0x40000000000000c3
Object 0xffff81000d1cc000: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
5a 5a 5a 5a 5a 5a Object 0xffff81000d1cc050: 5a 5a 5a Object 0xffff81000d1cc060: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
[<ffffffff802a9a15>] check_bytes_and_report+0xc5/0x100
[<ffffffff80342ab3>] blocknr_set_add+0x113/0x180
[<ffffffff80367579>] kill_hook_extent+0x389/0x4a0
[<ffffffff8036bd36>] max_item_key_by_coord+0x36/0x50
[<ffffffff8035b2b0>] kill_head+0x0/0x30
[<ffffffff8020c1de>] system_call+0x7e/0x83
Unable to handle kernel paging request at ffff80fffffffff8 RIP:
[<ffffffff803356e5>] count_deleted_blocks_actor+0x5/0x20
PGD 0
Oops: 0000 [1] PREEMPT SMP
CPU 0
Modules linked in: nls_iso8859_1 isofs nls_base netconsole usb_storage usbhid hid libusual snd_pcm_oss snd_mixer_oss sg ipv6 evdev snd_intel8x0 snd_ac97_codec ac97_bus psmouse snd_pcm ehci_hcd snd_timer serio_raw ohci_hcd snd snd_page_alloc usbcore
Pid: 7793, comm: gnome-volume-ma Not tainted 2.6.23-rc1-mm1 #1
RIP: 0010:[<ffffffff803356e5>] [<ffffffff803356e5>] count_deleted_blocks_actor+0x5/0x20
RSP: 0018:ffff8100150b9ca0 EFLAGS: 00010282
RAX: 000000000d1ccea0 RBX: 0000000000d1ccea RCX: ffff8100150b9d10
RDX: ffff80fffffffff8 RSI: ffff80fffffffff0 RDI: ffff810020c27400
RBP: ffff81000d1cce10 R08: 000000005a5a5a5a R09: 0000000000000000
R10: ffffffff80335902 R11: 000000000000009a R12: ffff81000d1cce90
R13: ffff810003dcbc01 R14: ffff8100150b9d10 R15: ffffffff803356e0
FS: 00002b66943fe730(0000) GS:ffffffff806bf000(0000) knlGS:00000000f63c69d0
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: ffff80fffffffff8 CR3: 0000000008a8e000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process gnome-volume-ma (pid: 7793, threadinfo ffff8100150b8000, task ffff810009280fd0)
Stack: ffffffff80342939 ffff810003dcbc38 0000000003dcb9f8 ffff810020c27458
ffff810020c27400 5a5a5a5a5a5a5a5a ffff810020c27400 ffff810003dcbc38
ffff810003dcb9f8 ffff810003dcbc08 ffff8100150b9d10 ffff810008c82480
Call Trace:
[<ffffffff80342939>] blocknr_set_iterator+0xc9/0x130
[<ffffffff80335927>] txnmgr_count_deleted_blocks+0xc7/0x100
[<ffffffff803438b6>] reiser4_statfs+0x76/0x120
[<ffffffff802ae8f7>] vfs_statfs+0x67/0x80
[<ffffffff802aeb2a>] vfs_statfs_native+0x2a/0x70
[<ffffffff802aec95>] sys_statfs+0x85/0xc0
[<ffffffff802afceb>] do_readv_writev+0x16b/0x220
[<ffffffff802b0133>] vfs_read+0x173/0x180
[<ffffffff8020c1de>] system_call+0x7e/0x83

48 02 01 c0 66 48 31 c3 BUG: sleeping function called from invalid context at kernel/rwsem.c:20
[<ffffffff80257615>] down_read+0x15/0x40
[<ffffffff802a999b>] check_bytes_and_report+0x4b/0x100
[<ffffffff803356e0>] count_deleted_blocks_actor+0x0/0x20
[<ffffffff80342939>] blocknr_set_iterator+0xc9/0x130
[<ffffffff802aeb2a>] vfs_statfs_native+0x2a/0x70
[<ffffffff8053657c>] trace_hardirqs_on_thunk+0x35/0x37
BUG: scheduling while atomic: gnome-volume-ma/0x10000003/7793
[<ffffffff8023d72f>] release_console_sem+0x4f/0x220
[<ffffffff80533fb2>] cond_resched+0x32/0x40
[<ffffffff80539bb3>] do_page_fault+0x613/0x8b0
[<ffffffff803356e0>] count_deleted_blocks_actor+0x0/0x20
[<ffffffff803356e5>] count_deleted_blocks_actor+0x5/0x20
[<ffffffff802ae8f7>] vfs_statfs+0x67/0x80
[<ffffffff802b0133>] vfs_read+0x173/0x180
INFO: lockdep is turned off.
SysRq : Emergency Sync
BUG: spinlock lockup on CPU#0, ktxnmgrd:sda2:r/539, ffff810003dcbc08

Call Trace:
[<ffffffff803db034>] _raw_spin_lock+0x134/0x140
[<ffffffff80337e64>] commit_some_atoms+0x34/0x150
[<ffffffff80337e64>] commit_some_atoms+0x34/0x150
[<ffffffff80342510>] ktxnmgrd+0x0/0x1a0
[<ffffffff80342651>] ktxnmgrd+0x141/0x1a0
[<ffffffff80342510>] ktxnmgrd+0x0/0x1a0
[<ffffffff80253cab>] kthread+0x4b/0x80
[<ffffffff8020d098>] child_rip+0xa/0x12
[<ffffffff8020c780>] restore_args+0x0/0x30
[<ffffffff80253c60>] kthread+0x0/0x80
[<ffffffff8020d08e>] child_rip+0x0/0x12

INFO: lockdep is turned off.
NMI backtrace for cpu 0

Call Trace:
<NMI> [<ffffffff805388e9>] nmi_watchdog_tick+0x159/0x1e0
[<ffffffff80537d86>] default_do_nmi+0x76/0x1e0
[<ffffffff805389ad>] do_nmi+0x3d/0x60
[<ffffffff80537a9f>] nmi+0x7f/0x80
[<ffffffff8023d72f>] release_console_sem+0x4f/0x220
[<ffffffff803cc378>] __delay+0x8/0x20
<<EOE>> [<ffffffff8021edff>] __trigger_all_cpu_backtrace+0x1f/0x40
[<ffffffff803db039>] _raw_spin_lock+0x139/0x140
[<ffffffff80337e64>] commit_some_atoms+0x34/0x150
[<ffffffff80337e64>] commit_some_atoms+0x34/0x150
[<ffffffff80342510>] ktxnmgrd+0x0/0x1a0
[<ffffffff80342651>] ktxnmgrd+0x141/0x1a0
[<ffffffff80342510>] ktxnmgrd+0x0/0x1a0
[<ffffffff80253cab>] kthread+0x4b/0x80
[<ffffffff8020d098>] child_rip+0xa/0x12
[<ffffffff8020c780>] restore_args+0x0/0x30
[<ffffffff80253c60>] kthread+0x0/0x80
[<ffffffff8020d08e>] child_rip+0x0/0x12

INFO: lockdep is turned off.
Hangcheck: hangcheck value past margin!
SysRq : Resetting

--
Zan Lynx <zlynx@xxxxxxx>

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