BUG: unable to handle kernel NULL pointer dereference at 00000040
IP: [<c0484430>] apparmor_bprm_set_creds+0x370/0x400
*pde = 00000000 
Oops: 0000 [#1] SMP 
last sysfs file: /sys/devices/system/cpu/sched_mc_power_savings
Modules linked in: ipt_REJECT ipt_LOG xt_limit xt_tcpudp xt_state ipt_addrtype snd_hda_codec_analog nls_iso8859_1 nls_cp437 vfat fat snd_hda_intel snd_hda_codec ip6table_filter snd_usb_audio ip6_tables snd_pcm_oss snd_mixer_oss snd_pcm snd_usb_lib nf_nat_irc snd_seq_dummy nf_conntrack_irc snd_seq_oss nf_nat_ftp nf_nat snd_seq_midi nf_conntrack_ipv4 snd_seq_midi_event nf_defrag_ipv4 snd_rawmidi snd_seq nf_conntrack_ftp nf_conntrack snd_hwdep snd_timer snd_seq_device snd tun pwc soundcore snd_page_alloc videodev iptable_filter nvidia(P) ip_tables ppdev asus_atk0110 v4l1_compat k8temp i2c_nforce2 agpgart x_tables usblp parport_pc lp parport dm_raid45 xor usbhid floppy forcedeth

Pid: 2115, comm: hamachi Tainted: P           (2.6.31-14-generic #48-Ubuntu) System Product Name
EIP: 0060:[<c0484430>] EFLAGS: 00010246 CPU: 0
EIP is at apparmor_bprm_set_creds+0x370/0x400
EAX: fffffffe EBX: f6144200 ECX: f6a43f00 EDX: f662cce2
ESI: 00000000 EDI: f6a8af00 EBP: f6a43f44 ESP: f6a43eb4
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process hamachi (pid: 2115, ti=f6a42000 task=f55a4b60 task.ti=f6a42000)
Stack:
 f6a43f00 00000000 00000000 f6a43ed0 c01ce8b0 f64bf948 f70010c0 f6a43eec
<0> c01ce8ff 00000000 00000000 f64bf948 00000000 f64bf948 00000000 000000d0
<0> fffffffe c070715a 00000000 f662cce2 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:f6a43eb4
CR2: 0000000000000040
---[ end trace a1139a839544523c ]---