BUG: unable to handle kernel NULL pointer dereference at 00000038
IP: [<c04e7486>] sock_sendmsg+0xd6/0x100
*pde = 24084067 *pte = 00000000 
Oops: 0000 [#1] SMP 
last sysfs file: /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/PNP0C0A:00/power_supply/BAT0/voltage_now
Modules linked in: ppp_async crc_ccitt parport_pc ppdev snd_hda_codec_realtek rfcomm binfmt_misc sco bnep l2cap arc4 snd_hda_intel joydev snd_hda_codec ath9k snd_hwdep i915 snd_pcm ath9k_common snd_seq_midi ath9k_hw ath drm_kms_helper snd_rawmidi mac80211 snd_seq_midi_event snd_seq snd_timer drm snd_seq_device uvcvideo eeepc_wmi btusb sparse_keymap cfg80211 bluetooth intel_agp snd psmouse videodev i2c_algo_bit v4l1_compat serio_raw video led_class output soundcore agpgart snd_page_alloc lp parport ahci libahci atl1c

Pid: 1679, comm: wvdial Not tainted 2.6.35-22-generic #33-Ubuntu 1005HA/1005HA
EIP: 0060:[<c04e7486>] EFLAGS: 00210246 CPU: 1
EIP is at sock_sendmsg+0xd6/0x100
EAX: f2dbdbe0 EBX: 00000000 ECX: f2dbdcbc EDX: e44f1500
ESI: 00000004 EDI: f2dbdcbc EBP: f2dbdc9c ESP: f2dbdbd8
 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
Process wvdial (pid: 1679, ti=f2dbc000 task=ecb4e580 task.ti=f2dbc000)
Stack:
 00000004 00000000 dfd4473b c1a08700 00000000 00000001 ffffffff 00000000
<0> 00000000 00000000 00000000 00000000 ecb4e580 00000000 00000000 ffffffff
<0> f2dbdcd8 f2dbdc50 f2dbdc68 dfd4473b f2dbdd1c 00136222 00000000 00000000
Call Trace:
 [<c04e74e5>] ? kernel_sendmsg+0x35/0x50
 [<f82af13e>] ? rfcomm_send_frame+0x3e/0x50 [rfcomm]
 [<f82af1ab>] ? rfcomm_send_disc+0x5b/0x60 [rfcomm]
 [<f82b0939>] ? __rfcomm_dlc_close+0x1f9/0x240 [rfcomm]
 [<c05c7979>] ? mutex_lock+0x19/0x40
 [<f82b0b59>] ? rfcomm_dlc_close+0x29/0x50 [rfcomm]
 [<f82b49f0>] ? rfcomm_tty_close+0x50/0x1d0 [rfcomm]
 [<c03d9534>] ? tty_release+0x134/0x5e0
 [<c05c6dcd>] ? schedule+0x77d/0x7a0
 [<c012ce18>] ? default_spin_lock_flags+0x8/0x10
 [<f82b43ca>] ? rfcomm_tty_open+0x1ea/0x2d0 [rfcomm]
 [<c03d9c76>] ? tty_driver_install_tty+0xc6/0xd0
 [<c0142d20>] ? default_wake_function+0x0/0x20
 [<c03da7b6>] ? tty_open+0x4a6/0x560
 [<c021bf7d>] ? chrdev_open+0xcd/0x1c0
 [<c0216cd4>] ? __dentry_open+0xc4/0x280
 [<c0216f79>] ? nameidata_to_filp+0x59/0x70
 [<c021beb0>] ? chrdev_open+0x0/0x1c0
 [<c022228f>] ? finish_open+0xbf/0x1a0
 [<c022afc1>] ? dput+0x91/0x130
 [<c0223436>] ? do_last+0x66/0x3a0
 [<c02251bd>] ? do_filp_open+0x19d/0x4c0
 [<c0216a65>] ? do_sys_open+0x55/0x150
 [<c0219f9d>] ? fput+0x1d/0x30
 [<c021691c>] ? filp_close+0x4c/0x80
 [<c0216bce>] ? sys_open+0x2e/0x40
 [<c05c90a4>] ? syscall_call+0x7/0xb
Code: 89 7d d0 89 75 c0 e8 9a bf e1 ff 85 c0 75 1f 8b 43 18 89 da 89 f9 89 34 24 89 85 40 ff ff ff 8b 9d 40 ff ff ff 8d 85 44 ff ff ff <ff> 53 38 3d ef fd ff ff 74 10 8b 5d f4 8b 75 f8 8b 7d fc 89 ec 
EIP: [<c04e7486>] sock_sendmsg+0xd6/0x100 SS:ESP 0068:f2dbdbd8
CR2: 0000000000000038
---[ end trace 9d674b3752f466a0 ]---