Unable to handle kernel NULL pointer dereference at virtual address 000005b4
  printing eip: 022ce2d5
*pde = 00000000
Oops: 0000 [#1]
Modules linked in: bttv video_buf(U) v4l2_common(U) btcx_risc lirc_i2c(U) lirc_dev(U) msp3400(U) saa7115(U) tuner(U) tveeprom(U) ivtv(U) i2c_algo_bit i2c_core videodev lp autofs4 smbfs sunrpc xfs dm_mod nvidia(U) md5 ipv6 parport_pc parport emu10k1_gp gameport snd_emu10k1(U) snd_rawmidi(U) snd_seq_device(U) snd_ac97_codec(U) snd_pcm_oss(U) snd_mixer_oss(U) snd_pcm(U) snd_timer(U) snd_page_alloc(U) snd_util_mem(U) snd_hwdep(U) snd(U) soundcore sk98lin ext3 jbd
CPU:    0
EIP:    0060:[<022ce2d5>]    Tainted: PF  VLI
EFLAGS: 00010a47   (2.6.9-1.681_FC3)
EIP is at tcp_sendmsg+0x42b/0xe50
eax: ffc9700c   ebx: 12494e34   ecx: 0000e700   edx: 00000000
esi: 000005b4   edi: ffffffff   ebp: 19ed7600   esp: 12494e18
ds: 007b   es: 007b   ss: 0068
Process ncftp (pid: 3513, threadinfo=12494000 task=1154e5f0)
Stack: 0d43d4a0 12494e6c 12bd73e0 021c855f 153610e0 08707828 00008000 00000000
       000005b4 00000000 00000000 19ed7868 12494ed0 00000000 00000000 7fffffff
       023783e0 19ed7600 12494eac 12494ef8 022ead6e 00008000 023794a0 12494eac Call Trace:
 [<021c855f>] socket_has_perm+0x51/0x5f
 [<022ead6e>] inet_sendmsg+0x38/0x42
 [<022a43c1>] sock_aio_write+0x107/0x114
 [<02165b9a>] do_sync_write+0x97/0xc9
 [<021c784d>] selinux_file_permission+0x114/0x11d
 [<0211d26f>] autoremove_wake_function+0x0/0x2d
 [<02165c92>] vfs_write+0xc6/0xe2 
 [<02165d4c>] sys_write+0x3c/0x62
Code: <3>Debug: sleeping function called from invalid context at include/linux/rwsem.h:43
in_atomic():0[expected: 0], irqs_disabled():1 
 [<0211cbcb>] __might_sleep+0x7d/0x8a 
 [<0215e726>] rw_vm+0x20e/0x47a 
 [<022ce2aa>] tcp_sendmsg+0x400/0xe50 
 [<022ce2aa>] tcp_sendmsg+0x400/0xe50 
 [<0215ee70>] get_user_size+0x30/0x57 
 [<022ce2aa>] tcp_sendmsg+0x400/0xe50 
 [<0210682b>] show_registers+0x109/0x15e 
 [<02106a2f>] die+0x14a/0x241 
 [<0211937e>] do_page_fault+0x0/0x511 
 [<0211937e>] do_page_fault+0x0/0x511 
 [<02119733>] do_page_fault+0x3b5/0x511
 [<022ce2d5>] tcp_sendmsg+0x42b/0xe50 
 [<228f9b0a>] SkGeIsrOnePort+0x1ac/0x323 [sk98lin] 
 [<02107f51>] handle_IRQ_event+0x25/0x4f 
 [<021c3f3a>] avc_has_perm_noaudit+0x8d/0xda 
 [<0215222e>] follow_page_pte+0xec/0xfd 
 [<0211937e>] do_page_fault+0x0/0x511 
 [<022ce2d5>] tcp_sendmsg+0x42b/0xe50 
 [<021c855f>] socket_has_perm+0x51/0x5f 
 [<022ead6e>] inet_sendmsg+0x38/0x42 
 [<022a43c1>] sock_aio_write+0x107/0x114 
 [<02165b9a>] do_sync_write+0x97/0xc9 
 [<021c784d>] selinux_file_permission+0x114/0x11d
 [<0211d26f>] autoremove_wake_function+0x0/0x2d 
 [<02165c92>] vfs_write+0xc6/0xe2 
 [<02165d4c>] sys_write+0x3c/0x62
 Bad EIP value.