Oops with 2.6.16.18 caused by tun?

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Unable to handle kernel NULL pointer dereference at virtual address 00000049
printing eip:
c01fa39e
*pde = 00000000
Oops: 0002 [#1]
Modules linked in: tun
CPU:    0
EIP:    0060:[<c01fa39e>]    Not tainted VLI
EFLAGS: 00210206   (2.6.16.18 #1)
EIP is at cdrom_read_block+0xa1/0xba
eax: dc720a60   ebx: dc720a60   ecx: 00000074   edx: dcdc1f48
esi: 00000040   edi: 080e11d8   ebp: 080e11e0   esp: dcdc1ec4
ds: 007b   es: 007b   ss: 0068
Process tincd (pid: 1124, threadinfo=dcdc0000 task=dcd8e5b0)
Stack: <0>c0207ec7 8f020002 3213cf55 00000000 00000000 dcdc1f7c 00000052 00000052 c020c278 00000052 00000052 00000052 00000000 c020c993 000000f0 dcdc1f7c deb2ac34 00000000 dcdc1f7c 00000004 00000004 00000052 deb2ac34 00200286
Call Trace:
[<c0207ec7>] sys_sendto+0xf5/0x116
[<c020c278>] memcpy_toiovec+0x25/0x47
[<c020c993>] skb_copy_datagram_iovec+0x3b/0x19e
[<e0930cff>] tun_chr_readv+0x305/0x30f [tun]
[<c0208585>] sys_socketcall+0xeb/0x181
[<c0102331>] syscall_call+0x7/0xb
Code: 00 88 46 07 89 5e 10 74 16 81 fd 30 09 00 00 74 14 81 fd 20 09 00 00 75 12 c6 46 09 58 eb 10 c6 46 09 78 eb 0a c6 46 09 f8 eb 04 <c6> 46 09 10 8b 4c 24 0c 89 f2 8b 44 24 08 ff 51 3c 83 c4 14 5b
It is vanilla 2.6.16.18, i386

Petr

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