BUG: unable to handle kernel NULL pointer dereference at 00000040
IP: [<c0484430>] apparmor_bprm_set_creds+0x370/0x400
*pde = 00000000 
Oops: 0000 [#8] SMP 
last sysfs file: /sys/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT1/voltage_now
Modules linked in: isofs michael_mic arc4 ecb lib80211_crypt_tkip aes_i586 aes_generic lib80211_crypt_ccmp binfmt_misc ppdev snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore snd_page_alloc joydev pcmcia yenta_socket rsrc_nonstatic pcmcia_core ipw2200 psmouse libipw lib80211 iptable_filter serio_raw ip_tables x_tables lp parport fbcon tileblit font bitblit softcursor usbhid sky2 ohci1394 ieee1394 i915 drm i2c_algo_bit intel_agp agpgart video output

Pid: 3261, comm: imagel Tainted: G      D W  (2.6.31-14-generic #48-Ubuntu) Satellite M45
EIP: 0060:[<c0484430>] EFLAGS: 00010246 CPU: 0
EIP is at apparmor_bprm_set_creds+0x370/0x400
EAX: fffffffe EBX: de02d400 ECX: de1c5f00 EDX: de02d5e2
ESI: 00000000 EDI: ddd7e700 EBP: de1c5f44 ESP: de1c5eb4
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process imagel (pid: 3261, ti=de1c4000 task=dda6cb60 task.ti=de1c4000)
Stack:
 de1c5f00 00000000 00000000 de1c5ed0 c01ce8b0 de1849f8 df001080 de1c5eec
<0> c01ce8ff 00000000 00000000 de1849f8 00000000 de1849f8 00000000 000000d0
<0> fffffffe c070715a 00000000 de02d5e2 00000000 00000000 00000000 00000000
Call Trace:
 [<c01ce8b0>] ? __vma_link_rb+0x30/0x40
 [<c01ce8ff>] ? __vma_link+0x3f/0x80
 [<c02c783c>] ? security_bprm_set_creds+0xc/0x10
 [<c01ecdd1>] ? prepare_binprm+0xa1/0xf0
 [<c01ed3bb>] ? T.626+0x3b/0x50
 [<c01edb2e>] ? do_execve+0x17e/0x2c0
 [<c0318c45>] ? strncpy_from_user+0x35/0x60
 [<c0101a28>] ? sys_execve+0x28/0x60
 [<c010336c>] ? syscall_call+0x7/0xb
Code: 24 8b 44 24 18 e8 71 f4 ff ff 3d 00 f0 ff ff 89 c1 76 a7 0f b7 44 24 60 f6 c4 40 74 50 c7 44 24 48 5f 71 70 c0 e9 98 fe ff ff 90 <f6> 46 40 08 0f 84 e6 fe ff ff e9 d9 fe ff ff 90 8b 54 24 4c 8b 
EIP: [<c0484430>] apparmor_bprm_set_creds+0x370/0x400 SS:ESP 0068:de1c5eb4
CR2: 0000000000000040
---[ end trace a7919e7f17c0a72e ]---