BUG kmalloc-1024: Poison overwritten

From: Justin Mattock
Date: Fri Jun 26 2009 - 16:09:40 EST

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I think this might of happened because I
shut the machine off half way during boot:

[ 5.588728] =============================================================================
[ 5.588730] BUG kmalloc-1024: Poison overwritten
[ 5.588731] -----------------------------------------------------------------------------
[ 5.588732]
[ 5.588733] INFO: 0xf4fe90c0-0xf4fe9103. First byte 0x24 instead of 0x6b
[ 5.588735] INFO: Slab 0xc1c8bd00 objects=15 used=4 fp=0xf4fe90c0
flags=0x400040c3
[ 5.588737] INFO: Object 0xf4fe90c0 @offset=4288 fp=0xf4fe94f0
[ 5.588737]
[ 5.588739] Bytes b4 0xf4fe90b0: 74 8c 05 00 80 1a 06 00 1c c8 06
00 20 a1 07 00 t........È...¡..
[ 5.588744] Object 0xf4fe90c0: 24 b8 08 00 2b 2c 0a 00 00 35 0c
00 40 42 0f 00 $¸..+,...5..@xxx
[ 5.588748] Object 0xf4fe90d0: 55 58 14 00 80 84 1e 00 15 16 05
00 74 8c 05 00 UX..........t...
[ 5.588753] Object 0xf4fe90e0: 80 1a 06 00 1c c8 06 00 20 a1 07
00 24 b8 08 00 .....È...¡..$¸..
[ 5.588758] Object 0xf4fe90f0: 2b 2c 0a 00 00 35 0c 00 40 42 0f
00 55 58 14 00 +,...5..@xxxxxxx
[ 5.588763] Object 0xf4fe9100: 80 84 1e 00 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b ....kkkkkkkkkkkk
[ 5.588767] Object 0xf4fe9110: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588772] Object 0xf4fe9120: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588777] Object 0xf4fe9130: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588781] Object 0xf4fe9140: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588786] Object 0xf4fe9150: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588791] Object 0xf4fe9160: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588795] Object 0xf4fe9170: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588800] Object 0xf4fe9180: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588805] Object 0xf4fe9190: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588809] Object 0xf4fe91a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588814] Object 0xf4fe91b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588819] Object 0xf4fe91c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588824] Object 0xf4fe91d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588828] Object 0xf4fe91e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588833] Object 0xf4fe91f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588838] Object 0xf4fe9200: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588842] Object 0xf4fe9210: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588847] Object 0xf4fe9220: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588852] Object 0xf4fe9230: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588856] Object 0xf4fe9240: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588861] Object 0xf4fe9250: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588866] Object 0xf4fe9260: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588870] Object 0xf4fe9270: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588875] Object 0xf4fe9280: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588880] Object 0xf4fe9290: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588884] Object 0xf4fe92a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588889] Object 0xf4fe92b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588894] Object 0xf4fe92c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588898] Object 0xf4fe92d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588903] Object 0xf4fe92e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588908] Object 0xf4fe92f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588912] Object 0xf4fe9300: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588917] Object 0xf4fe9310: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588922] Object 0xf4fe9320: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588926] Object 0xf4fe9330: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588931] Object 0xf4fe9340: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588936] Object 0xf4fe9350: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588940] Object 0xf4fe9360: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588945] Object 0xf4fe9370: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588950] Object 0xf4fe9380: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588954] Object 0xf4fe9390: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588959] Object 0xf4fe93a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588964] Object 0xf4fe93b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588969] Object 0xf4fe93c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588973] Object 0xf4fe93d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588978] Object 0xf4fe93e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588983] Object 0xf4fe93f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588987] Object 0xf4fe9400: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588992] Object 0xf4fe9410: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.588997] Object 0xf4fe9420: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.589001] Object 0xf4fe9430: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.589004] Object 0xf4fe9440: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.589004] Object 0xf4fe9450: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.589004] Object 0xf4fe9460: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.589004] Object 0xf4fe9470: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.589004] Object 0xf4fe9480: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.589004] Object 0xf4fe9490: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.589004] Object 0xf4fe94a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 5.589004] Object 0xf4fe94b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b a5 kkkkkkkkkkkkkkk¥
[ 5.589004] Redzone 0xf4fe94c0: bb bb bb bb
»»»»
[ 5.589004] Padding 0xf4fe94e8: 5a 5a 5a 5a 5a 5a 5a 5a
ZZZZZZZZ
[ 5.589004] Pid: 265, comm: khubd Not tainted 2.6.31-rc1-00017-ga127d30 #2
[ 5.589004] Call Trace:
[ 5.589004] [<c10a4309>] print_trailer+0xe2/0xea
[ 5.589004] [<c10a439d>] check_bytes_and_report+0x8c/0xaf
[ 5.589004] [<c10a4495>] check_object+0xa5/0x190
[ 5.589004] [<c10a59b2>] __slab_alloc+0x381/0x497
[ 5.589004] [<c10a5a2c>] ? __slab_alloc+0x3fb/0x497
[ 5.589004] [<c10a619a>] __kmalloc_track_caller+0xc4/0x141
[ 5.589004] [<c115b8d2>] ? kobject_uevent_env+0x242/0x352
[ 5.589004] [<c115b8d2>] ? kobject_uevent_env+0x242/0x352
[ 5.589004] [<c1274f62>] __alloc_skb+0x49/0x108
[ 5.589004] [<c115b8d2>] kobject_uevent_env+0x242/0x352
[ 5.589004] [<c13197ca>] ? mutex_unlock+0x8/0xa
[ 5.589004] [<c115b9ec>] kobject_uevent+0xa/0xc
[ 5.589004] [<c11d31ec>] device_add+0x32e/0x469
[ 5.589004] [<c1150030>] ? blk_start_queue+0x42/0x6f
[ 5.589004] [<c11d3339>] device_register+0x12/0x15
[ 5.589004] [<c1237742>] video_register_device_index+0x34b/0x3fa
[ 5.589004] [<c12377fb>] video_register_device+0xa/0xc
[ 5.589004] [<f932cf1d>] uvc_probe+0x956/0xa6b [uvcvideo]
[ 5.589004] [<c121d292>] usb_probe_interface+0xcc/0x11a
[ 5.589004] [<c11d4c5c>] driver_probe_device+0x79/0xed
[ 5.589004] [<c11d4d59>] __device_attach+0x2a/0x2e
[ 5.589004] [<c11d4440>] bus_for_each_drv+0x3d/0x67
[ 5.589004] [<c11d4dc3>] device_attach+0x47/0x5b
[ 5.589004] [<c11d4d2f>] ? __device_attach+0x0/0x2e
[ 5.589004] [<c11d42dd>] bus_attach_device+0x21/0x4b
[ 5.589004] [<c11d31f3>] device_add+0x335/0x469
[ 5.589004] [<c10a5d72>] ? kfree+0xa1/0xad
[ 5.589004] [<c121c19e>] ? usb_set_configuration+0x480/0x50a
[ 5.589004] [<c121c1ce>] usb_set_configuration+0x4b0/0x50a
[ 5.589004] [<c122246c>] ? usb_choose_configuration+0x123/0x172
[ 5.589004] [<c12224ff>] generic_probe+0x44/0x7d
[ 5.589004] [<c121c40a>] usb_probe_device+0x1e/0x20
[ 5.589004] [<c11d4c5c>] driver_probe_device+0x79/0xed
[ 5.589004] [<c11d4d59>] __device_attach+0x2a/0x2e
[ 5.589004] [<c11d4440>] bus_for_each_drv+0x3d/0x67
[ 5.589004] [<c11d4dc3>] device_attach+0x47/0x5b
[ 5.589004] [<c11d4d2f>] ? __device_attach+0x0/0x2e
[ 5.589004] [<c11d42dd>] bus_attach_device+0x21/0x4b
[ 5.589004] [<c11d31f3>] device_add+0x335/0x469
[ 5.589004] [<c121bd0f>] ? usb_cache_string+0xb4/0xc3
[ 5.589004] [<c1216e57>] ? usb_configure_device+0xba/0xcc
[ 5.589004] [<c1216ff1>] usb_new_device+0x52/0xa2
[ 5.589004] [<c12180e1>] hub_thread+0x7bf/0xbca
[ 5.589004] [<c1050f0d>] ? autoremove_wake_function+0x0/0x2f
[ 5.589004] [<c1032f67>] ? complete+0x34/0x3e
[ 5.589004] [<c1217922>] ? hub_thread+0x0/0xbca
[ 5.589004] [<c1050c8f>] kthread+0x66/0x6b
[ 5.589004] [<c1050c29>] ? kthread+0x0/0x6b
[ 5.589004] [<c1018b9f>] kernel_thread_helper+0x7/0x10
[ 5.589004] FIX kmalloc-1024: Restoring 0xf4fe90c0-0xf4fe9103=0x6b
[ 5.589004]
[ 5.589004] FIX kmalloc-1024: Marking all objects used

--
Justin P. Mattock
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Next message: Oleg Nesterov: "Re: [PATCH 1/2] exec: Make do_coredump more robust and safer whenusing pipes in core_pattern: recursive dump detection"
Previous message: Oleg Nesterov: "Re: [PATCH 2/2] exec: Make do_coredump more robust and safer whenusing pipes in core_pattern: wait for core collectors"
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