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SubjectRe: BUG kmalloc-2048: Poison overwritten
Date
On Monday, 2 of June 2008, Justin Mattock wrote:
> I received this after the second simultaneous suspend: (I will try and
> see if this is re creatable or not)

Suspend to RAM or hibernation?

> [ 232.270737] BUG: unable to handle kernel paging request at 6b6b6c6b
> [ 232.270743] IP: [<c013f96d>] module_put+0x12/0x2b
> [ 232.270750] *pde = 00000000
> [ 232.270753] Oops: 0002 [#1] SMP
> [ 232.270757] Modules linked in: hci_usb cpufreq_ondemand
> cpufreq_performance cpufreq_powersave rfcomm hidp l2cap bluetooth fan
> ipmi_watchdog ipmi_msghandler uinput wlan_tkip ieee80211_crypt_tkip
> ieee80211_crypt arpt_mangle arptable_filter arp_tables
> nf_conntrack_ipv4 nf_conntrack iptable_mangle iptable_filter ip_tables
> x_tables intelfb i2c_i810 i2c_algo_bit coretemp eeprom acpi_cpufreq
> fglrx(P) applesmc joydev uvcvideo appletouch wlan_scan_sta
> ath_rate_sample firewire_ohci firewire_core snd_hda_intel ath_pci
> snd_pcm wlan ohci1394 intel_agp evdev ath_hal(P) snd_timer ieee1394
> pata_acpi thermal ehci_hcd uhci_hcd snd_page_alloc snd_hwdep agpgart
> video button processor
> [ 232.270800]
> [ 232.270802] Pid: 2690, comm: btdelconn Tainted: P
> (2.6.26-rc4-00033-g5463508 #4)
> [ 232.270805] EIP: 0060:[<c013f96d>] EFLAGS: 00010246 CPU: 0
> [ 232.270808] EIP is at module_put+0x12/0x2b
> [ 232.270810] EAX: 00000000 EBX: 00000000 ECX: c020f49b EDX: 6b6b6b6b
> [ 232.270812] ESI: f4858830 EDI: f572aab8 EBP: f4893f78 ESP: f4893f78
> [ 232.270815] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
> [ 232.270817] Process btdelconn (pid: 2690, ti=f4892000 task=f7fe6220
> task.ti=f4892000)
> [ 232.270819] Stack: f4893f8c f8bcb705 f572aaac f5b8bcb0 f572aaa8
> f4893fa8 c012f90d f5b8bcc0
> [ 232.270826] f8bcb6a6 f5b8bcb0 f4893fb0 f5b8bcc8 f4893fd0
> c0130119 00000000 f7fe6220
> [ 232.270832] c01324cd f4893fbc f4893fbc f5b8bcb0 c0130063
> 00000000 f4893fe0 c013240d
> [ 232.270838] Call Trace:
> [ 232.270842] [<f8bcb705>] ? del_conn+0x5f/0x64 [bluetooth]
> [ 232.270854] [<c012f90d>] ? run_workqueue+0x78/0xfb
> [ 232.270859] [<f8bcb6a6>] ? del_conn+0x0/0x64 [bluetooth]
> [ 232.270869] [<c0130119>] ? worker_thread+0xb6/0xc2
> [ 232.270873] [<c01324cd>] ? autoremove_wake_function+0x0/0x30
> [ 232.270878] [<c0130063>] ? worker_thread+0x0/0xc2
> [ 232.270882] [<c013240d>] ? kthread+0x3b/0x62
> [ 232.270885] [<c01323d2>] ? kthread+0x0/0x62
> [ 232.270889] [<c01044ef>] ? kernel_thread_helper+0x7/0x10
> [ 232.270896] =======================
> [ 232.270897] Code: 84 00 00 00 e8 45 fa 0c 00 89 f8 e8 3e fa 0c 00
> 5a 89 f0 59 5b 5e 5f 5d c3 55 85 c0 89 e5 89 c2 74 20 64 a1 04 d0 50
> c0 c1 e0 06 <ff> 8c 02 00 01 00 00 83 3a 02 75 0b 8b 82 88 01 00 00 e8
> 00 a6
> [ 232.270932] EIP: [<c013f96d>] module_put+0x12/0x2b SS:ESP 0068:f4893f78
> [ 232.270937] ---[ end trace c436afcb6083d3a0 ]---
> [ 232.297190] =============================================================================
> [ 232.297190] BUG kmalloc-2048: Poison overwritten
> [ 232.297190] -----------------------------------------------------------------------------
> [ 232.297190]
> [ 232.297190] INFO: 0xf4858848-0xf4858848. First byte 0x6a instead of 0x6b
> [ 232.297190] INFO: Allocated in hci_alloc_dev+0x15/0x51 [bluetooth]
> age=19928 cpu=0 pid=2815
> [ 232.297190] INFO: Freed in bt_release+0xe/0x10 [bluetooth] age=1
> cpu=0 pid=2690
> [ 232.297190] INFO: Slab 0xc1690b00 objects=15 used=12 fp=0xf4858830
> flags=0x400020c3
> [ 232.297190] INFO: Object 0xf4858830 @offset=2096 fp=0xf485b950
> [ 232.297190]
> [ 232.297190] Bytes b4 0xf4858820: 10 0a 00 00 40 93 ff ff 5a 5a 5a
> 5a 5a 5a 5a 5a ....@.ÿÿZZZZZZZZ
> [ 232.297190] Object 0xf4858830: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
> [ 232.297190] Object 0xf4858840: 6b 6b 6b 6b 6b 6b 6b 6b 6a 6b 6b
> 6b 6b 6b 6b 6b kkkkkkkkjkkkkkkk
> [ 232.297190] Object 0xf4858850: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
> [ 232.297190] Object 0xf4858860: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
> [ 232.297190] Object 0xf4858870: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
> [ 232.297190] Object 0xf4858880: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
> [ 232.297190] Object 0xf4858890: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
> [ 232.297190] Object 0xf48588a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
> 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
> [ 232.297190] Redzone 0xf4859030: bb bb bb bb
> »»»»
> [ 232.297190] Padding 0xf4859058: 5a 5a 5a 5a 5a 5a 5a 5a
> ZZZZZZZZ
> [ 232.297190] Pid: 1390, comm: knodemgrd_0 Tainted: P D
> 2.6.26-rc4-00033-g5463508 #4
> [ 232.297190] [<c016d1ab>] print_trailer+0xc8/0xd0
> [ 232.297190] [<c016d226>] check_bytes_and_report+0x73/0x8f
> [ 232.297190] [<c016d497>] check_object+0xa4/0x18c
> [ 232.297190] [<c016e051>] __slab_alloc+0x387/0x45f
> [ 232.297190] [<c016f08d>] __kmalloc+0x85/0xdb
> [ 232.297190] [<f8ae935b>] ? hpsb_alloc_packet+0x17/0x51 [ieee1394]
> [ 232.297190] [<c016d1d4>] ? check_bytes_and_report+0x21/0x8f
> [ 232.297190] [<f8ae935b>] hpsb_alloc_packet+0x17/0x51 [ieee1394]
> [ 232.297190] [<f8ae93ac>] create_reply_packet+0x17/0x77 [ieee1394]
> [ 232.297190] [<f8ae97c6>] hpsb_packet_received+0x3ba/0x5db [ieee1394]
> [ 232.297190] [<c016e089>] ? __slab_alloc+0x3bf/0x45f
> [ 232.297190] [<f8ae9b29>] hpsb_send_packet+0x142/0x192 [ieee1394]
> [ 232.297190] [<f8ae9bc3>] hpsb_send_packet_and_wait+0x31/0x47 [ieee1394]
> [ 232.297190] [<f8aeac66>] hpsb_read+0x5d/0xb3 [ieee1394]
> [ 232.297190] [<f8aed865>] nodemgr_bus_read+0x40/0x149 [ieee1394]
> [ 232.297190] [<f8af0382>] csr1212_read_keyval+0x2c0/0x3be [ieee1394]
> [ 232.297190] [<f8af0655>] csr1212_parse_csr+0x1d5/0x211 [ieee1394]
> [ 232.297190] [<f8aee756>] nodemgr_host_thread+0x343/0x7b9 [ieee1394]
> [ 232.297190] [<f8aee413>] ? nodemgr_host_thread+0x0/0x7b9 [ieee1394]
> [ 232.297190] [<c013240d>] kthread+0x3b/0x62
> [ 232.297190] [<c01323d2>] ? kthread+0x0/0x62
> [ 232.297190] [<c01044ef>] kernel_thread_helper+0x7/0x10
> [ 232.297190] =======================
> [ 232.297190] FIX kmalloc-2048: Restoring 0xf4858848-0xf4858848=0x6b
> [ 232.297190]
> [ 232.297190] FIX kmalloc-2048: Marking all objects used
>
> Hopefully this is nothing serious,
> regards;
--
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