I reported this previously and it was verified.
Is this a bug in netlink or what? Who should I report this to?
Original Oops report:
http://mailman.ds9a.nl/pipermail/lartc/2004q2/012614.html
Thanks.
Linux rebecca 2.6.4 #1 Mon Sep 27 15:16:48 EDT 2004 i686 GNU/Linux
Sep 27 19:02:58 rebecca kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000000
Sep 27 19:02:58 rebecca kernel: printing eip:
Sep 27 19:02:58 rebecca kernel: 00000000
Sep 27 19:02:58 rebecca kernel: *pde = 00000000
Sep 27 19:02:58 rebecca kernel: Oops: 0000 [#1]
Sep 27 19:02:58 rebecca kernel: CPU: 0
Sep 27 19:02:58 rebecca kernel: EIP: 0060:[<00000000>] Not tainted
Sep 27 19:02:58 rebecca kernel: EFLAGS: 00010246
Sep 27 19:02:58 rebecca kernel: EIP is at 0x0
Sep 27 19:02:58 rebecca kernel: eax: 00000000 ebx: c61e00c0 ecx: 00000002
edx: c8949760
Sep 27 19:02:58 rebecca kernel: esi: 00000645 edi: c66139a0 ebp: c62c4290
esp: c6133b6c
Sep 27 19:02:58 rebecca kernel: ds: 007b es: 007b ss: 0068
Sep 27 19:02:58 rebecca kernel: Process tc (pid: 1605, threadinfo=c6132000
task=c6b186e0)
Sep 27 19:02:58 rebecca kernel: Stack: c022c644 c42303a0 00000000 c6d5b8a0
00000001 c0143330 c6d5b8a0 c6b31da0
Sep 27 19:02:58 rebecca kernel: 40016c70 c8949760 00000000 c42303a0
c42ce400 c61e00c0 00000f60 c0218cf7
Sep 27 19:02:58 rebecca kernel: 00001000 000000d0 c40de2e0 00000645
c40de2e0 c40de2e0 c61e00c0 00000645
Sep 27 19:02:58 rebecca kernel: Call Trace:
Sep 27 19:02:58 rebecca kernel: [tc_dump_tfilter+180/608]
tc_dump_tfilter+0xb4/0x260
Sep 27 19:02:58 rebecca kernel: [handle_mm_fault+224/336]
handle_mm_fault+0xe0/0x150
Sep 27 19:02:58 rebecca kernel: [alloc_skb+71/240] alloc_skb+0x47/0xf0
Sep 27 19:02:58 rebecca kernel: [netlink_dump+89/464] netlink_dump+0x59/0x1d0
Sep 27 19:02:58 rebecca kernel: [netlink_dump_start+167/240]
netlink_dump_start+0xa7/0xf0
Sep 27 19:02:58 rebecca kernel: [rtnetlink_rcv+911/976]
rtnetlink_rcv+0x38f/0x3d0
Sep 27 19:02:58 rebecca kernel: [tc_dump_tfilter+0/608]
tc_dump_tfilter+0x0/0x260
Sep 27 19:02:58 rebecca kernel: [rtnetlink_done+0/16] rtnetlink_done+0x0/0x10
Sep 27 19:02:58 rebecca kernel: [netlink_dump_start+167/240]
netlink_dump_start+0xa7/0xf0
Sep 27 19:02:58 rebecca kernel: [rtnetlink_rcv+439/976]
rtnetlink_rcv+0x1b7/0x3d0
Sep 27 19:02:58 rebecca kernel: [rtnetlink_rcv+0/976] rtnetlink_rcv+0x0/0x3d0
Sep 27 19:02:58 rebecca kernel: [default_wake_function+0/32]
default_wake_function+0x0/0x20
Sep 27 19:02:58 rebecca kernel: [netlink_data_ready+90/112]
netlink_data_ready+0x5a/0x70
Sep 27 19:02:58 rebecca kernel: [netlink_unicast+620/784]
netlink_unicast+0x26c/0x310
Sep 27 19:02:58 rebecca kernel: [default_wake_function+0/32]
default_wake_function+0x0/0x20
Sep 27 19:02:58 rebecca kernel: [default_wake_function+0/32]
default_wake_function+0x0/0x20
Sep 27 19:02:58 rebecca kernel: [alloc_skb+71/240] alloc_skb+0x47/0xf0
Sep 27 19:02:58 rebecca kernel: [netlink_sendmsg+530/784]
netlink_sendmsg+0x212/0x310
Sep 27 19:02:58 rebecca kernel: [netlink_recvmsg+434/544]
netlink_recvmsg+0x1b2/0x220
Sep 27 19:02:58 rebecca kernel: [sock_sendmsg+152/208] sock_sendmsg+0x98/0xd0
Sep 27 19:02:58 rebecca kernel: [sock_recvmsg+150/192] sock_recvmsg+0x96/0xc0
Sep 27 19:02:58 rebecca kernel: [move_addr_to_kernel+86/160]
move_addr_to_kernel+0x56/0xa0
Sep 27 19:02:58 rebecca kernel: [verify_iovec+97/224] verify_iovec+0x61/0xe0
Sep 27 19:02:58 rebecca kernel: [sys_sendmsg+457/656] sys_sendmsg+0x1c9/0x290
Sep 27 19:02:58 rebecca kernel: [do_no_page+413/800] do_no_page+0x19d/0x320
Sep 27 19:02:58 rebecca kernel: [handle_mm_fault+224/336]
handle_mm_fault+0xe0/0x150
Sep 27 19:02:58 rebecca kernel: [expand_stack+45/160] expand_stack+0x2d/0xa0
Sep 27 19:02:58 rebecca kernel: [do_page_fault+300/1328]
do_page_fault+0x12c/0x530
Sep 27 19:02:58 rebecca kernel: [sys_socket+61/96] sys_socket+0x3d/0x60
Sep 27 19:02:58 rebecca kernel: [sys_socketcall+610/672]
sys_socketcall+0x262/0x2a0
Sep 27 19:02:58 rebecca kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Sep 27 19:02:58 rebecca kernel:
Sep 27 19:02:58 rebecca kernel: Code: Bad EIP value.
ksymoops 2.4.9 on i686 2.6.4. Options used
-V (default)
-k /proc/kallsyms (specified)
-l /proc/modules (default)
-o /lib/modules/2.6.4/ (default)
-m /boot/System.map-2.6.4 (specified)
Warning (read_ksyms): no kernel symbols in ksyms, is /proc/kallsyms a valid
ksyms file?
No modules in ksyms, skipping objects
No ksyms, skipping lsmod
Sep 27 19:02:58 rebecca kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000000
Sep 27 19:02:58 rebecca kernel: 00000000
Sep 27 19:02:58 rebecca kernel: *pde = 00000000
Sep 27 19:02:58 rebecca kernel: Oops: 0000 [#1]
Sep 27 19:02:58 rebecca kernel: CPU: 0
Sep 27 19:02:58 rebecca kernel: EIP: 0060:[<00000000>] Not tainted
Sep 27 19:02:58 rebecca kernel: EFLAGS: 00010246
Sep 27 19:02:58 rebecca kernel: eax: 00000000 ebx: c61e00c0 ecx: 00000002
edx: c8949760
Sep 27 19:02:58 rebecca kernel: esi: 00000645 edi: c66139a0 ebp: c62c4290
esp: c6133b6c
Sep 27 19:02:58 rebecca kernel: ds: 007b es: 007b ss: 0068
Sep 27 19:02:58 rebecca kernel: Stack: c022c644 c42303a0 00000000 c6d5b8a0
00000001 c0143330 c6d5b8a0 c6b31da0
Sep 27 19:02:58 rebecca kernel: 40016c70 c8949760 00000000 c42303a0
c42ce400 c61e00c0 00000f60 c0218cf7
Sep 27 19:02:58 rebecca kernel: 00001000 000000d0 c40de2e0 00000645
c40de2e0 c40de2e0 c61e00c0 00000645
Sep 27 19:02:58 rebecca kernel: Call Trace:
Warning (Oops_read): Code line not seen, dumping what data is available
>>EIP; 00000000 Before first symbol
>>ebx; c61e00c0 <__crc_end_buffer_async_write+212c2/16a711>
>>edx; c8949760 <__crc_svc_reserve+227f3d/27ddd3>
>>edi; c66139a0 <__crc_pci_find_class+10e591/2f36d8>
>>ebp; c62c4290 <__crc_end_buffer_async_write+105492/16a711>
>>esp; c6133b6c <__crc_alloc_netdev+c86b/97afd>
Sep 27 19:02:58 rebecca kernel: Code: Bad EIP value.
--
Jason Boxman
Perl Programmer / *NIX Systems Administrator
Shimberg Center for Affordable Housing | University of Florida
http://edseek.com/ - Linux and FOSS stuff
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