* whoops in kernel 2.6.9
@ 2005-02-14 0:29 Konstantin V. Gavrilenko
2005-02-14 1:31 ` Herbert Xu
0 siblings, 1 reply; 2+ messages in thread
From: Konstantin V. Gavrilenko @ 2005-02-14 0:29 UTC (permalink / raw)
To: linux-kernel
Whoops happened when tried to do
#ip route del blackhole to xxx.xxx.xxx.xxx
output of dmesg, and lsmod
Unable to handle kernel NULL pointer dereference at virtual address 00000000
printing eip:
c031ce3b
*pde = 00000000
Oops: 0002 [#1]
PREEMPT
Modules linked in: sch_sfq sch_htb cls_u32 sch_ingress ipt_mark ipt_MARK
ipt_limit ipt_state ipt_MASQUERADE ipt_REJECT ipt_mac ipt_LOG ip_nat_irc
ip_nat_ftp ip_conntrack_irc ip_conntrack_ftp iptable_mangle ipt_conntrack
iptable_nat ip_conntrack iptable_filter ip_tables esp4 nfs lockd sunrpc twofish
serpent aes_i586 blowfish sha256 crypto_null eeprom w83781d i2c_sensor i2c_piix4
i2c_core tulip 8139too mii 3c59x
CPU: 0
EIP: 0060:[<c031ce3b>] Not tainted VLI
EFLAGS: 00010246 (2.6.9-gentoo-r1)
EIP is at fib_release_info+0x8b/0xf0
eax: 00000000 ebx: ddb64a80 ecx: 00000000 edx: ddb64ae4
esi: ddb64ae8 edi: 00000000 ebp: dfc57bd0 esp: d6c5fc24
ds: 007b es: 007b ss: 0068
Process ip (pid: 7663, threadinfo=d6c5e000 task=c1543aa0)
Stack: 824b088e 00000001 defd1768 df7a7500 c031fc35 ddb64a80 defd1760 df7a7500
00000020 000000fe dfc57bc0 df5cf2b8 0058489c c17a8fc0 00000020 defd1760
746747ca dfc57bd0 dfc57bc0 dffe6a20 dfc57bc0 c031c58a dfc10c60 dfc57bd0
Call Trace:
[<c031fc35>] fn_hash_delete+0x1e5/0x2a0
[<c031c58a>] inet_rtm_delroute+0x6a/0x80
[<c02da291>] rtnetlink_rcv+0x2e1/0x3a0
[<c02e5f4f>] netlink_data_ready+0x5f/0x70
[<c02e54b2>] netlink_sendskb+0x32/0x60
[<c02e5bc6>] netlink_sendmsg+0x216/0x310
[<c01cc8a4>] ext3_mark_inode_dirty+0x64/0x70
[<c01cc91b>] ext3_dirty_inode+0x6b/0xd0
[<c02c70ca>] sock_sendmsg+0xda/0x100
[<c0141f4b>] do_page_cache_readahead+0x9b/0x1a0
[<c013a5c9>] find_get_page+0x29/0x70
[<c013ebaa>] buffered_rmqueue+0xfa/0x1f0
[<c0211318>] copy_from_user+0x68/0xa0
[<c011bce0>] autoremove_wake_function+0x0/0x60
[<c02c8d4f>] sys_sendmsg+0x18f/0x1f0
[<c014ab2e>] handle_mm_fault+0xde/0x1a0
[<c011878c>] do_page_fault+0x3ac/0x5ae
[<c02c6e1c>] sockfd_lookup+0x1c/0x80
[<c02c8a76>] sys_setsockopt+0x76/0xc0
[<c0211318>] copy_from_user+0x68/0xa0
[<c02c91f2>] sys_socketcall+0x242/0x260
[<c010b7aa>] do_gettimeofday+0x1a/0xd0
[<c01183e0>] do_page_fault+0x0/0x5ae
[<c0105cf5>] error_code+0x2d/0x38
[<c01052eb>] syscall_call+0x7/0xb
Code: 43 08 00 01 10 00 c7 41 04 00 02 20 00 31 ff 8d 53 64 3b 7b 5c 7d 32 89 f6
8d bc 27 00 00 00 00 8b 42 04 8d 72 04 8b 4e 04 85 c0 <89> 01 74 03 89 48 04 c7
42 04 00 01 10 00 47 83 c2 2c c7 46 04
<6>note: ip[7663] exited with preempt_count 1
Debug: sleeping function called from invalid context at include/linux/rwsem.h:43
in_atomic():1, irqs_disabled():0
[<c011b8a7>] __might_sleep+0xb7/0xe0
[<c011e457>] printk+0x17/0x20
[<c01204d0>] do_exit+0xb0/0x450
[<c010655d>] die+0x18d/0x190
[<c011e457>] printk+0x17/0x20
[<c011861f>] do_page_fault+0x23f/0x5ae
[<c033b03e>] schedule+0x2be/0x500
[<c02cb2d4>] kfree_skbmem+0x24/0x30
[<c02cb3a3>] __kfree_skb+0xc3/0x160
[<c02e5807>] netlink_broadcast+0x197/0x2a0
[<c01183e0>] do_page_fault+0x0/0x5ae
[<c0105cf5>] error_code+0x2d/0x38
[<c031ce3b>] fib_release_info+0x8b/0xf0
[<c031fc35>] fn_hash_delete+0x1e5/0x2a0
[<c031c58a>] inet_rtm_delroute+0x6a/0x80
[<c02da291>] rtnetlink_rcv+0x2e1/0x3a0
[<c02e5f4f>] netlink_data_ready+0x5f/0x70
[<c02e54b2>] netlink_sendskb+0x32/0x60
[<c02e5bc6>] netlink_sendmsg+0x216/0x310
[<c01cc8a4>] ext3_mark_inode_dirty+0x64/0x70
[<c01cc91b>] ext3_dirty_inode+0x6b/0xd0
[<c02c70ca>] sock_sendmsg+0xda/0x100
[<c0141f4b>] do_page_cache_readahead+0x9b/0x1a0
[<c013a5c9>] find_get_page+0x29/0x70
[<c013ebaa>] buffered_rmqueue+0xfa/0x1f0
[<c0211318>] copy_from_user+0x68/0xa0
[<c011bce0>] autoremove_wake_function+0x0/0x60
[<c02c8d4f>] sys_sendmsg+0x18f/0x1f0
[<c014ab2e>] handle_mm_fault+0xde/0x1a0
[<c011878c>] do_page_fault+0x3ac/0x5ae
[<c02c6e1c>] sockfd_lookup+0x1c/0x80
[<c02c8a76>] sys_setsockopt+0x76/0xc0
[<c0211318>] copy_from_user+0x68/0xa0
[<c02c91f2>] sys_socketcall+0x242/0x260
[<c010b7aa>] do_gettimeofday+0x1a/0xd0
[<c01183e0>] do_page_fault+0x0/0x5ae
[<c0105cf5>] error_code+0x2d/0x38
[<c01052eb>] syscall_call+0x7/0xb
bad: scheduling while atomic!
[<c033b26c>] schedule+0x4ec/0x500
[<c0148da3>] unmap_page_range+0x53/0x80
[<c0148f96>] unmap_vmas+0x1c6/0x1f0
[<c014d9ce>] exit_mmap+0x7e/0x160
[<c011bff5>] mmput+0x65/0xb0
[<c012052f>] do_exit+0x10f/0x450
[<c010655d>] die+0x18d/0x190
[<c011e457>] printk+0x17/0x20
[<c011861f>] do_page_fault+0x23f/0x5ae
[<c033b03e>] schedule+0x2be/0x500
[<c02cb2d4>] kfree_skbmem+0x24/0x30
[<c02cb3a3>] __kfree_skb+0xc3/0x160
[<c02e5807>] netlink_broadcast+0x197/0x2a0
[<c01183e0>] do_page_fault+0x0/0x5ae
[<c0105cf5>] error_code+0x2d/0x38
[<c031ce3b>] fib_release_info+0x8b/0xf0
[<c031fc35>] fn_hash_delete+0x1e5/0x2a0
[<c031c58a>] inet_rtm_delroute+0x6a/0x80
[<c02da291>] rtnetlink_rcv+0x2e1/0x3a0
[<c02e5f4f>] netlink_data_ready+0x5f/0x70
[<c02e54b2>] netlink_sendskb+0x32/0x60
[<c02e5bc6>] netlink_sendmsg+0x216/0x310
[<c01cc8a4>] ext3_mark_inode_dirty+0x64/0x70
[<c01cc91b>] ext3_dirty_inode+0x6b/0xd0
[<c02c70ca>] sock_sendmsg+0xda/0x100
[<c0141f4b>] do_page_cache_readahead+0x9b/0x1a0
[<c013a5c9>] find_get_page+0x29/0x70
[<c013ebaa>] buffered_rmqueue+0xfa/0x1f0
[<c0211318>] copy_from_user+0x68/0xa0
[<c011bce0>] autoremove_wake_function+0x0/0x60
[<c02c8d4f>] sys_sendmsg+0x18f/0x1f0
[<c014ab2e>] handle_mm_fault+0xde/0x1a0
[<c011878c>] do_page_fault+0x3ac/0x5ae
[<c02c6e1c>] sockfd_lookup+0x1c/0x80
[<c02c8a76>] sys_setsockopt+0x76/0xc0
[<c0211318>] copy_from_user+0x68/0xa0
[<c02c91f2>] sys_socketcall+0x242/0x260
[<c010b7aa>] do_gettimeofday+0x1a/0xd0
[<c01183e0>] do_page_fault+0x0/0x5ae
[<c0105cf5>] error_code+0x2d/0x38
[<c01052eb>] syscall_call+0x7/0xb
gate / # lsmod
Module Size Used by
sch_sfq 4640 7
sch_htb 22944 1
cls_u32 7652 16
sch_ingress 2912 1
ipt_mark 1248 5
ipt_MARK 1536 1
ipt_limit 1824 8
ipt_state 1376 6
ipt_MASQUERADE 3528 0
ipt_REJECT 5600 2
ipt_mac 1472 49
ipt_LOG 6176 8
ip_nat_irc 3728 0
ip_nat_ftp 4368 0
ip_conntrack_irc 70640 1 ip_nat_irc
ip_conntrack_ftp 71600 1 ip_nat_ftp
iptable_mangle 2048 1
ipt_conntrack 1920 0
iptable_nat 28932 4 ipt_MASQUERADE,ip_nat_irc,ip_nat_ftp
ip_conntrack 51836 8
ipt_state,ipt_MASQUERADE,ip_nat_irc,ip_nat_ftp,ip_conntrack_irc,ip_conntrack_ftp,ipt_conntrack,iptable_nat
iptable_filter 2112 1
ip_tables 19520 12
ipt_mark,ipt_MARK,ipt_limit,ipt_state,ipt_MASQUERADE,ipt_REJECT,ipt_mac,ipt_LOG,iptable_mangle,ipt_conntrack,iptable_nat,iptable_filter
esp4 6368 6
nfs 216804 2
lockd 63592 2 nfs
sunrpc 133764 6 nfs,lockd
twofish 38304 0
serpent 13248 0
aes_i586 38196 6
blowfish 9888 0
sha256 9312 0
crypto_null 1920 0
eeprom 6624 0
w83781d 34160 0
i2c_sensor 2944 2 eeprom,w83781d
i2c_piix4 6960 0
i2c_core 19440 4 eeprom,w83781d,i2c_sensor,i2c_piix4
tulip 42272 0
8139too 20544 0
mii 3872 1 8139too
3c59x 35176 0
--
Respectfully,
Konstantin V. Gavrilenko
Arhont Ltd - Information Security
web: http://www.arhont.com
http://www.wi-foo.com
e-mail: k.gavrilenko@arhont.com
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2005-02-14 0:29 whoops in kernel 2.6.9 Konstantin V. Gavrilenko
2005-02-14 1:31 ` Herbert Xu
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