Description:
Kernel Core Dump when using USB-stick

Additional info:
kernel26
/var/log/kernel.log

usb 4-4: new high speed USB device using ehci_hcd and address 3
usb 4-4: configuration #1 chosen from 1 choice
Initializing USB Mass Storage driver...
scsi3 : SCSI emulation for USB Mass Storage devices
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
usb-storage: device found at 3
usb-storage: waiting for device to settle before scanning
scsi 3:0:0:0: Direct-Access SWISSBIT Victorinox 2.0 2.00 PQ: 0 ANSI: 2
ready
sd 3:0:0:0: [sdb] 1021696 512-byte hardware sectors (523 MB)
sd 3:0:0:0: [sdb] Write Protect is off
sd 3:0:0:0: [sdb] Mode Sense: 03 00 00 00
sd 3:0:0:0: [sdb] Assuming drive cache: write through
BUG: unable to handle kernel NULL pointer dereference at virtual address 0000003c
printing eip: c01b09ac *pde = 00000000
Oops: 0002 [#1] PREEMPT SMP
Modules linked in: usb_storage ipv6 sg snd_seq_oss snd_seq_midi_event snd_seq quickcam snd_pcm_oss snd_mixer_oss videodev v4l2_common v4l1_compat snd_cmipci gameport snd_pcm snd_page_alloc snd_opl3_lib parport_pc snd_timer snd_hwdep snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore sata_promise libata ppdev lp parport ppp_generic slhc serio_raw i2c_i801 psmouse i2c_core ehci_hcd shpchp uhci_hcd pci_hotplug intel_agp agpgart evdev thermal processor fan button battery ac fuse 8139too mii rtc_cmos rtc_core rtc_lib usbcore xfs ide_cd cdrom ide_disk generic ext3 jbd mbcache sd_mod ide_generic piix ide_core dm_mod

Pid: 4876, comm: usb-stor-scan Not tainted (2.6.24-ARCH #1)
EIP: 0060:[<c01b09ac>] EFLAGS: 00010293 CPU: 0
EIP is at bd_set_size+0x8c/0xa0
EAX: 00000000 EBX: f79c56c0 ECX: 00000000 EDX: 00000200
ESI: 1f2e0000 EDI: 00000000 EBP: f79c56c0 ESP: f3e45b50
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Process usb-stor-scan (pid: 4876, ti=f3e44000 task=f611a550 task.ti=f3e44000)
Stack: f79c56c0 00000000 f46f39c0 f79c56c0 c01b1b0c 00000000 00000000 f79c56cc
f8830500 00000000 00000000 00000022 f3e45ca4 f79c56c0 c01b1c6a 00000000
00000000 00000000 00000000 f3e45c1c 00000000 00000000 00000000 00000001
Call Trace:
[<c01b1b0c>] do_open+0x25c/0x2d0
[<c01b1c6a>] __blkdev_get+0x7a/0xa0
[<c01b1ca2>] blkdev_get+0x12/0x20
[<c01cc725>] register_disk+0x1d5/0x200
[<c0245a41>] add_disk+0x41/0x50
[<c02448f0>] exact_match+0x0/0x10
[<c0245810>] exact_lock+0x0/0x10
[<f882db66>] sd_probe+0x246/0x390 [sd_mod]
[<c02bae2c>] driver_probe_device+0x8c/0x1d0
[<c0383289>] klist_next+0x69/0xd0
[<c02ba3b4>] bus_for_each_drv+0x44/0x70
[<c02bb0d6>] device_attach+0x86/0x90
[<c02bb010>] __device_attach+0x0/0x10
[<c02ba1d5>] bus_attach_device+0x45/0x90
[<c02b92a9>] device_add+0x459/0x520
[<c02cd22d>] scsi_sysfs_add_sdev+0x4d/0x1e0
[<c02bdd4a>] attribute_container_device_trigger+0xaa/0xc0
[<c02cac6c>] scsi_probe_and_add_lun+0x96c/0x980
[<c02cb2c8>] __scsi_scan_target+0xe8/0x620
[<c0138b61>] del_timer_sync+0x11/0x20
[<c03846d4>] schedule_timeout+0x94/0xf0
[<c012a5cd>] finish_task_switch+0x1d/0xa0
[<c0138680>] process_timeout+0x0/0x10
[<c03846c8>] schedule_timeout+0x88/0xf0
[<c0383cb5>] wait_for_common+0xc5/0x120
[<c03850d4>] __mutex_lock_slowpath+0x234/0x2e0
[<c02cb859>] scsi_scan_channel+0x59/0xa0
[<c02cb949>] scsi_scan_host_selected+0xa9/0x120
[<c02cba2f>] do_scsi_scan_host+0x6f/0x80
[<f8c0081d>] usb_stor_scan_thread+0x15d/0x1a0 [usb_storage]
[<c01441b0>] autoremove_wake_function+0x0/0x50
[<f8c006c0>] usb_stor_scan_thread+0x0/0x1a0 [usb_storage]
[<c0143ea9>] kthread+0x39/0x70
[<c0143e70>] kthread+0x0/0x70
[<c0106243>] kernel_thread_helper+0x7/0x14
=======================
Code: 00 89 55 60 8d 76 00 d1 ea 83 c1 01 81 fa 00 01 00 00 77 f3 89 48 60 5b 5e 5f 5d c3 8d 76 00 0f b7 d0 8b 45 04 81 fa ff 0f 00 00 <89> 70 3c 89 48 40 77 c6 89 d1 31 db eb 9b 8d b6 00 00 00 00 8b
EIP: [<c01b09ac>] bd_set_size+0x8c/0xa0 SS:ESP 0068:f3e45b50
---[ end trace 465243cf4fe20726 ]---



Steps to reproduce:
1. Use USB-stick