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代码出错如下,看不懂,是空指针问题吗,出在哪里?
Unable to handle kernel NULL pointer dereference at virtual address 00000004
printing eip:
fc079c36
*pde = 00000000
Oops: 0000 [#1]
Modules linked in: seclient cfs_ss nfs osd_target osd_fs nfsd exportfs lockd parport_pc lp parport autofs4 rfcomm l2cap bluetooth sunrpc acpiphp dm_mod video button battery ac md5 ipv6 uhci_hcd ehci_hcd i2c_piix4 i2c_core shpchp gameport snd_rawmidi snd_ac97_codec snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc pcnet32 mii floppy ext3 jbd mptscsih mptbase sd_mod scsi_mod
CPU: 0
EIP: 0060:[<fc079c36>] Tainted: GF VLI
EFLAGS: 00210286 (2.6.12)
EIP is at cfs_mkdir+0xa6/0x2a0 [seclient]
eax: 00000000 ebx: fc088e80 ecx: ffffffff edx: 0000c401
esi: e8ee6400 edi: 000041ed ebp: ee0b04ac esp: ed4f1f10
ds: 007b es: 007b ss: 0068
Process mkdir (pid: 4744, threadinfo=ed4f1000 task=eddd0aa0)
Stack: fc082e25 00000000 00000000 00000000 00000000 00000000 f591e6bc f0397000
00000000 00000017 00000000 fc088e80 00000000 ee0b04ac f591e6bc c019602f
000001ed f591e6bc f7e08000 ee0b04ac ed4f1000 c019610c f287aaec efd97800
Call Trace:
[<c019602f>] vfs_mkdir+0xdf/0x130
[<c019610c>] sys_mkdir+0x8c/0xd0
[<c0108809>] do_syscall_trace+0x109/0x13d
[<c0103b95>] syscall_call+0x7/0xb
Code: 8b 74 24 30 8b 7c 24 34 8b 6c 24 38 83 c4 3c c3 90 8d 74 26 00 c7 04 24 25 2e 08 fc 81 cf 00 40 00 00 e8 3e 94 0a c4 8b 44 24 28 <8b> 58 04 8b 70 08 c7 04 24 29 2e 08 fc e8 28 94 0a c4 c7 04 24
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