是否在受到攻击？

wx2000

这是我的一台RH linux中的/var/log/messages文件中的内容， 大部分都是这类信息：

Jun 11 13:18:06 mail kernel: Stack: c94ae000 c01091cb 0000000b c01456fb ce366000 ce366000 0000000b 0000000
0
Jun 11 13:18:07 mail kernel:        bffffc6c 0000000b 00000000 00000a3a 00000020 bffff2c8 cfc098ce 0000000
0
Jun 11 13:18:07 mail kernel:        00000000 00000000 00000000 00000000 00000000 00000000 00000000 0000002
b
Jun 11 13:18:07 mail kernel: Call Trace: [system_call+51/56] [getname+91/160]
Jun 11 13:18:07 mail kernel: Call Trace: [<c01091cb>] [<c01456fb>]
Jun 11 13:18:07 mail kernel:
Jun 11 13:18:07 mail kernel: Code: 8b 51 04 83 fa ff 0f 84 56 01 00 00 83 fa fc 77 07 c7 41 04
Jun 11 13:18:07 mail kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000004
Jun 11 13:18:07 mail kernel:  printing eip:
Jun 11 13:18:07 mail kernel: cfc096da
Jun 11 13:18:07 mail kernel: pgd entry c254f000: 0000000000000000
Jun 11 13:18:07 mail kernel: pmd entry c254f000: 0000000000000000
Jun 11 13:18:07 mail kernel: ... pmd not present!
Jun 11 13:18:07 mail kernel: Oops: 0000
Jun 11 13:18:07 mail kernel: CPU:    0
Jun 11 13:18:07 mail kernel: EIP:    0010:[ipchains:__insmod_ipchains_O/lib/modules/2.4.2-2smp/kernel/net/
ipv4/+-13461798/96]
Jun 11 13:18:07 mail kernel: EIP:    0010:[<cfc096da>]
Jun 11 13:18:07 mail kernel: EFLAGS: 00010286
Jun 11 13:18:07 mail kernel: eax: bffffc5c   ebx: c67f6000   ecx: 00000000   edx: 00000000
Jun 11 13:18:07 mail kernel: esi: c01091cb   edi: 0000000b   ebp: c67f7fb8   esp: c67f7f84
Jun 11 13:18:07 mail kernel: ds: 0018   es: 0018   ss: 0018
Jun 11 13:18:07 mail kernel: Process grep (pid: 12070, stackpage=c67f7000)