[clug] What can i do ? When i rmmod the modules .

[=?gb2312?B?uN+35UDN+NLX?=]

unable to handle kernel NULL pointer dereference at virtual address 000004a0
 printing eip:
c689a16e
*pde = 00000000
Oops: 0000
myfirewall ipt_MASQUERADE iptable_nat ip_conntrack autofs pcnet32 mii ipt_REJE
CPU:    0
EIP:    0010:[<c689a16e>]    Tainted: P
EFLAGS: 00000296

EIP is at fini [myfirewall] 0x1e (2.4.18-14)
eax: 00000000   ebx: c689a000   ecx: c0305480   edx: c03861a8
esi: fffffff0   edi: 00000000   ebp: c3387f8c   esp: c3387f78
ds: 0018   es: 0018   ss: 0018
Process rmmod (pid: 1033, stackpage=c3387000)
Stack: 0000001d c0305480 c1038030 c03054dc 00000203 bfffeb18 c011ce2a c689a000
       c689a000 fffffff0 c32eb000 c011c1a7 c689a000 00000000 00001000 c3386000
       00000001 08073ad8 c010910f bffffc9a bffffba4 0805cb7e 00000001 08073ad8
Call Trace: [<c011ce2a>] free_module [kernel] 0xba (0xc3387f90))
[<c011c1a7>] sys_delete_module [kernel] 0xa7 (0xc3387fa4))
[<c010910f>] system_call [kernel] 0x33 (0xc3387fc0))

Code: ff b0 a0 04 00 00 e8 37 ed 94 f9 83 c4 10 c9 c3 55 89 e5 83
 ./k: line 1:  1033 Segmentation fault      rmmod myfirewall

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