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Subject[OOPS] null ptr dereference, 2.6.6, ov511 usb webcam
drivers/usb/media/ov511.c: USB OV511 video device found
drivers/usb/media/ov511.c: model: AverMedia InterCam Elite
drivers/usb/media/ov511.c: Sensor is an OV7610
drivers/usb/media/ov511.c: Device at usb-0000:00:07.2-2.3 registered to
minor 0
Unable to handle kernel NULL pointer dereference at virtual address 00000095
printing eip:
c0390179
*pde = 00000000
Oops: 0002 [#1]
PREEMPT
CPU: 0
EIP: 0060:[<c0390179>] Not tainted
EFLAGS: 00010282 (2.6.6)
EIP is at ov51x_v4l1_ioctl+0x29/0x90
eax: dbc0d494 ebx: 00000095 ecx: 00000095 edx: d617bf00
esi: 00000001 edi: d617bf00 ebp: dbb71bc0 esp: daccdf80
ds: 007b es: 007b ss: 0068
Process camsource (pid: 8158, threadinfo=daccd000 task=d625d1b0)
Stack: 080630b0 08063068 80887614 80887614 c0632d00 d617bf00 ffffffe7
c015e4a9
0806319c dbb71bc0 00000000 3b7e2d4c 00000007 08063138 0806319c
daccd000
c0103e89 00000007 80887614 0806319c 08063138 0806319c 40b2fa48
00000036
Call Trace:
[<c015e4a9>] sys_ioctl+0xe9/0x240
[<c0103e89>] sysenter_past_esp+0x52/0x71

Code: ff 8e 94 00 00 00 0f 88 cb 25 00 00 31 c0 85 c0 ba fc ff ff

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