Re: [Bugme-new] [Bug 8961] New: BUG triggered by oidentd in netlink code
From: Andrew Morton <akpm@linux-foundation.org>
Date: 2007-08-31 01:08:51
On Thu, 30 Aug 2007 07:41:31 -0700 (PDT) bugme-daemon@bugzilla.kernel.org wrote:
http://bugzilla.kernel.org/show_bug.cgi?id=8961
This looks serious.
Summary: BUG triggered by oidentd in netlink code
Product: Other
Version: 2.5
KernelVersion: 2.6.22.3
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
AssignedTo: other_other@kernel-bugs.osdl.org
ReportedBy: link@miggy.org
Most recent kernel where this bug did not occur: 2.6.21.2
Distribution: Debian/Etch
Hardware Environment: uk2.net host server
lspci says->
00:00.0 Host bridge: Intel Corporation 82845G/GL[Brookdale-G]/GE/PE DRAM
Controller/Host-Hub Interface (rev 03)
00:02.0 VGA compatible controller: Intel Corporation 82845G/GL[Brookdale-G]/GE
Chipset Integrated Graphics Device (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
USB UHCI Controller #3 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI
Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 82)
00:1f.0 ISA bridge: Intel Corporation 82801DB/DBL (ICH4/ICH4-L) LPC Interface
Bridge (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801DB (ICH4) IDE Controller (rev 02)
00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 02)
03:06.0 RAID bus controller: 3ware Inc 7xxx/8xxx-series PATA/SATA-RAID (rev 01)
03:0a.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL-8139/8139C/8139C+ (rev 10)
Software Environment: oidentd
Problem Description:
Something in oidentd's use of netlink is triggering a BUG
Steps to reproduce:
Setup a Debian/Etch box, install oidentd, run a 2.6.22.3 kernel, ensure there
are sufficient connections to the oidentd service and wait.
'Oops' output:
Aug 29 23:28:44 bowl kernel: [349587.500440] BUG: unable to handle kernel NULL
pointer dereference<1>BUG: unable to handle kernel NULL pointer dereference at
virtual address 00000054
Aug 29 23:28:44 bowl kernel: [349587.500454] printing eip:
Aug 29 23:28:45 bowl kernel: [349587.500457] c03318ae
Aug 29 23:28:45 bowl kernel: [349587.500459] *pde = 00000000
Aug 29 23:28:45 bowl kernel: [349587.500464] Oops: 0000 [#1]
Aug 29 23:28:45 bowl kernel: [349587.500466] PREEMPT SMP
Aug 29 23:28:46 bowl kernel: [349587.500474] Modules linked in: w83627hf
hwmon_vid i2c_isa
Aug 29 23:28:46 bowl kernel: [349587.500483] CPU: 0
Aug 29 23:28:47 bowl kernel: [349587.500485] EIP: 0060:[<c03318ae>] Not
tainted VLI
Aug 29 23:28:47 bowl kernel: [349587.500487] EFLAGS: 00010246 (2.6.22.3 #1)
Aug 29 23:28:47 bowl kernel: [349587.500499] EIP is at netlink_rcv_skb+0xa/0x7e
Aug 29 23:28:48 bowl kernel: [349587.500506] eax: 00000000 ebx: 00000000
ecx: c148d2a0 edx: c0398819
Aug 29 23:28:48 bowl kernel: [349587.500510] esi: 00000000 edi: c0398819
ebp: c7a21c8c esp: c7a21c80
Aug 29 23:28:48 bowl kernel: [349587.500517] ds: 007b es: 007b fs: 00d8
gs: 0033 ss: 0068
Aug 29 23:28:50 bowl kernel: [349587.500521] Process oidentd (pid: 17943,
ti=c7a20000 task=cee231c0 task.ti=c7a20000)
Aug 29 23:28:51 bowl kernel: [349587.500527] Stack: 00000000 c7a21cac f7c8ba78
c7a21ca4 c0331962 c0398819 f7c8ba00 0000004c
Aug 29 23:28:52 bowl kernel: [349587.500542] f736f000 c7a21cb4 c03988e3
00000001 f7c8ba00 c7a21cc4 c03312a5 0000004c
Aug 29 23:28:54 bowl kernel: [349587.500558] f7c8ba00 c7a21cd4 c0330681
f7c8ba00 e4695280 c7a21d00 c03307c6 7fffffff
Aug 29 23:28:54 bowl kernel: [349587.500578] Call Trace:
Aug 29 23:28:54 bowl kernel: [349587.500581] [<c010361a>]
show_trace_log_lvl+0x1c/0x33
Aug 29 23:28:55 bowl kernel: [349587.500591] [<c01036d4>]
show_stack_log_lvl+0x8d/0xaa
Aug 29 23:28:57 bowl kernel: [349587.500595] [<c010390e>]
show_registers+0x1cb/0x321
Aug 29 23:28:59 bowl kernel: [349587.500604] [<c0103bff>] die+0x112/0x1e1
Aug 29 23:29:00 bowl kernel: [349587.500607] [<c01132d2>]
do_page_fault+0x229/0x565
Aug 29 23:29:05 bowl kernel: [349587.500618] [<c03c8d3a>] error_code+0x72/0x78
Aug 29 23:29:07 bowl kernel: [349587.500625] [<c0331962>]
netlink_run_queue+0x40/0x76
Aug 29 23:29:07 bowl kernel: [349587.500632] [<c03988e3>]
inet_diag_rcv+0x1f/0x2c
Aug 29 23:29:07 bowl kernel: [349587.500639] [<c03312a5>]
netlink_data_ready+0x57/0x59
Aug 29 23:29:08 bowl kernel: [349587.500643] [<c0330681>]
netlink_sendskb+0x24/0x45
Aug 29 23:29:08 bowl kernel: [349587.500651] [<c03307c6>]
netlink_unicast+0x100/0x116
Aug 29 23:29:08 bowl kernel: [349587.500656] [<c0330f83>]
netlink_sendmsg+0x1c2/0x280
Aug 29 23:29:09 bowl kernel: [349587.500664] [<c02fcce9>]
sock_sendmsg+0xba/0xd5
Aug 29 23:29:12 bowl kernel: [349587.500671] [<c02fe4d1>]
sys_sendmsg+0x17b/0x1e8
Aug 29 23:29:12 bowl kernel: [349587.500676] [<c02fe92d>]
sys_socketcall+0x230/0x24d
Aug 29 23:29:13 bowl kernel: [349587.500684] [<c01028d2>] syscall_call+0x7/0xb
Aug 29 23:29:13 bowl kernel: [349587.500691] =======================
Aug 29 23:29:13 bowl kernel: [349587.500693] Code: f0 ff 4e 18 0f 94 c0 84 c0
0f 84 66 ff ff ff 89 f0 e8 86 e2 fc ff e9 5a ff ff ff f0 ff 40 10 eb be 55 89
e5 57 89 d7 56 89 c6 53 <8b> 50 54 83 fa 10 72 55 8b 9e 9c 00 00 00 31 c9 8b 03
83 f8 0f
Aug 29 23:29:13 bowl kernel: [349587.500770] EIP: [<c03318ae>]
netlink_rcv_skb+0xa/0x7e SS:ESP 0068:c7a21c80
Aug 29 23:29:13 bowl kernel: [349587.501851] at virtual address 00000054
Aug 29 23:29:13 bowl kernel: [349587.501913] printing eip:
Aug 29 23:29:14 bowl kernel: [349587.501963] c03318ae
Aug 29 23:29:14 bowl kernel: [349587.502022] *pde = 00000000
Aug 29 23:29:15 bowl kernel: [349587.502079] Oops: 0000 [#2]
Aug 29 23:29:15 bowl kernel: [349587.502136] PREEMPT SMP
Aug 29 23:29:15 bowl kernel: [349587.502271] Modules linked in: w83627hf
hwmon_vid i2c_isa
Aug 29 23:29:16 bowl kernel: [349587.502489] CPU: 1
Aug 29 23:29:16 bowl kernel: [349587.502490] EIP: 0060:[<c03318ae>] Not
tainted VLI
Aug 29 23:29:17 bowl kernel: [349587.502491] EFLAGS: 00010246 (2.6.22.3 #1)
Aug 29 23:29:17 bowl kernel: [349587.502647] EIP is at netlink_rcv_skb+0xa/0x7e
Aug 29 23:29:17 bowl kernel: [349587.502691] eax: 00000000 ebx: 00000000
ecx: c14346a0 edx: c0398819
Aug 29 23:29:17 bowl kernel: [349587.502737] esi: 00000000 edi: c0398819
ebp: e37f3c8c esp: e37f3c80
Aug 29 23:29:17 bowl kernel: [349587.502783] ds: 007b es: 007b fs: 00d8
gs: 0033 ss: 0068
Aug 29 23:29:17 bowl kernel: [349587.502828] Process oidentd (pid: 17945,
ti=e37f2000 task=dc69e6e0 task.ti=e37f2000)
Aug 29 23:29:18 bowl kernel: [349587.502875] Stack: 00000000 e37f3cac f7c8ba78
e37f3ca4 c0331962 c0398819 f7c8ba00 0000004c
Aug 29 23:29:18 bowl kernel: [349587.503198] f736f000 e37f3cb4 c03988e3
00000001 f7c8ba00 e37f3cc4 c03312a5 0000004c
Aug 29 23:29:18 bowl kernel: [349587.503519] f7c8ba00 e37f3cd4 c0330681
f7c8ba00 e1a35a80 e37f3d00 c03307c6 7fffffff
Aug 29 23:29:18 bowl kernel: [349587.503839] Call Trace:
Aug 29 23:29:18 bowl kernel: [349587.503917] [<c010361a>]
show_trace_log_lvl+0x1c/0x33
Aug 29 23:29:18 bowl kernel: [349587.503994] [<c01036d4>]
show_stack_log_lvl+0x8d/0xaa
Aug 29 23:29:18 bowl kernel: [349587.504067] [<c010390e>]
show_registers+0x1cb/0x321
Aug 29 23:29:18 bowl kernel: [349587.504142] [<c0103bff>] die+0x112/0x1e1
Aug 29 23:29:18 bowl kernel: [349587.504215] [<c01132d2>]
do_page_fault+0x229/0x565
Aug 29 23:29:18 bowl kernel: [349587.504290] [<c03c8d3a>] error_code+0x72/0x78
Aug 29 23:29:18 bowl kernel: [349587.504366] [<c0331962>]
netlink_run_queue+0x40/0x76
Aug 29 23:29:18 bowl kernel: [349587.504440] [<c03988e3>]
inet_diag_rcv+0x1f/0x2c
Aug 29 23:29:18 bowl kernel: [349587.504514] [<c03312a5>]
netlink_data_ready+0x57/0x59
Aug 29 23:29:18 bowl kernel: [349587.504589] [<c0330681>]
netlink_sendskb+0x24/0x45
Aug 29 23:29:18 bowl kernel: [349587.504662] [<c03307c6>]
netlink_unicast+0x100/0x116
Aug 29 23:29:19 bowl kernel: [349587.504736] [<c0330f83>]
netlink_sendmsg+0x1c2/0x280
Aug 29 23:29:19 bowl kernel: [349587.504809] [<c02fcce9>]
sock_sendmsg+0xba/0xd5
Aug 29 23:29:19 bowl kernel: [349587.504885] [<c02fe4d1>]
sys_sendmsg+0x17b/0x1e8
Aug 29 23:29:19 bowl kernel: [349587.504958] [<c02fe92d>]
sys_socketcall+0x230/0x24d
Aug 29 23:29:19 bowl kernel: [349587.505032] [<c01028d2>] syscall_call+0x7/0xb
Aug 29 23:29:19 bowl kernel: [349587.505105] =======================
Aug 29 23:29:19 bowl kernel: [349587.505146] Code: f0 ff 4e 18 0f 94 c0 84 c0
0f 84 66 ff ff ff 89 f0 e8 86 e2 fc ff e9 5a ff ff ff f0 ff 40 10 eb be 55 89
e5 57 89 d7 56 89 c6 53 <8b> 50 54 83 fa 10 72 55 8b 9e 9c 00 00 00 31 c9 8b 03
83 f8 0f
Aug 29 23:29:19 bowl kernel: [349587.507160] EIP: [<c03318ae>]
netlink_rcv_skb+0xa/0x7e SS:ESP 0068:e37f3c80
Aug 29 23:43:48 bowl kernel: [350485.786725] BUG: unable to handle kernel NULL
pointer dereference<1>BUG: unable to handle kernel NULL pointer dereference at
virtual address 00000054
Aug 29 23:43:48 bowl kernel: [350485.786739] printing eip:
Aug 29 23:43:48 bowl kernel: [350485.786743] c03318ae
Aug 29 23:43:48 bowl kernel: [350485.786745] *pde = 00000000
Aug 29 23:43:48 bowl kernel: [350485.786750] Oops: 0000 [#3]
Aug 29 23:43:49 bowl kernel: [350485.786751] PREEMPT SMP
Aug 29 23:43:49 bowl kernel: [350485.786755] Modules linked in: w83627hf
hwmon_vid i2c_isa
Aug 29 23:43:49 bowl kernel: [350485.786763] CPU: 0
Aug 29 23:43:49 bowl kernel: [350485.786765] EIP: 0060:[<c03318ae>] Not
tainted VLI
Aug 29 23:43:49 bowl kernel: [350485.786766] EFLAGS: 00010246 (2.6.22.3 #1)
Aug 29 23:43:49 bowl kernel: [350485.786781] EIP is at netlink_rcv_skb+0xa/0x7e
Aug 29 23:43:49 bowl kernel: [350485.786785] eax: 00000000 ebx: 00000000
ecx: c148d2a0 edx: c0398819
Aug 29 23:43:49 bowl kernel: [350485.786789] esi: 00000000 edi: c0398819
ebp: dee05c8c esp: dee05c80
Aug 29 23:43:50 bowl kernel: [350485.786792] ds: 007b es: 007b fs: 00d8
gs: 0033 ss: 0068
Aug 29 23:43:50 bowl kernel: [350485.786795] Process oidentd (pid: 21495,
ti=dee04000 task=dc69e6e0 task.ti=dee04000)
Aug 29 23:43:50 bowl kernel: [350485.786798] Stack: 00000000 dee05cac f7c8ba78
dee05ca4 c0331962 c0398819 f7c8ba00 0000004c
Aug 29 23:43:50 bowl kernel: [350485.786807] f736f000 dee05cb4 c03988e3
00000001 f7c8ba00 dee05cc4 c03312a5 0000004c
Aug 29 23:43:51 bowl kernel: [350485.786816] f7c8ba00 dee05cd4 c0330681
f7c8ba00 e4695980 dee05d00 c03307c6 7fffffff
Aug 29 23:43:51 bowl kernel: [350485.786829] Call Trace:
Aug 29 23:43:51 bowl kernel: [350485.786832] [<c010361a>]
show_trace_log_lvl+0x1c/0x33
Aug 29 23:43:51 bowl kernel: [350485.786839] [<c01036d4>]
show_stack_log_lvl+0x8d/0xaa
Aug 29 23:43:52 bowl kernel: [350485.786844] [<c010390e>]
show_registers+0x1cb/0x321
Aug 29 23:43:52 bowl kernel: [350485.786848] [<c0103bff>] die+0x112/0x1e1
Aug 29 23:43:52 bowl kernel: [350485.786852] [<c01132d2>]
do_page_fault+0x229/0x565
Aug 29 23:43:52 bowl kernel: [350485.786859] [<c03c8d3a>] error_code+0x72/0x78
Aug 29 23:43:52 bowl kernel: [350485.786870] [<c0331962>]
netlink_run_queue+0x40/0x76
Aug 29 23:43:52 bowl kernel: [350485.786875] [<c03988e3>]
inet_diag_rcv+0x1f/0x2c
Aug 29 23:43:52 bowl kernel: [350485.786880] [<c03312a5>]
netlink_data_ready+0x57/0x59
Aug 29 23:43:53 bowl kernel: [350485.786885] [<c0330681>]
netlink_sendskb+0x24/0x45
Aug 29 23:43:53 bowl kernel: [350485.786889] [<c03307c6>]
netlink_unicast+0x100/0x116
Aug 29 23:43:53 bowl kernel: [350485.786893] [<c0330f83>]
netlink_sendmsg+0x1c2/0x280
Aug 29 23:43:53 bowl kernel: [350485.786898] [<c02fcce9>]
sock_sendmsg+0xba/0xd5
Aug 29 23:43:53 bowl kernel: [350485.786909] [<c02fe4d1>]
sys_sendmsg+0x17b/0x1e8
Aug 29 23:43:53 bowl kernel: [350485.786914] [<c02fe92d>]
sys_socketcall+0x230/0x24d
Aug 29 23:43:53 bowl kernel: [350485.786919] [<c01028d2>] syscall_call+0x7/0xb
Aug 29 23:43:53 bowl kernel: [350485.786923] =======================
Aug 29 23:43:53 bowl kernel: [350485.786926] Code: f0 ff 4e 18 0f 94 c0 84 c0
0f 84 66 ff ff ff 89 f0 e8 86 e2 fc ff e9 5a ff ff ff f0 ff 40 10 eb be 55 89
e5 57 89 d7 56 89 c6 53 <8b> 50 54 83 fa 10 72 55 8b 9e 9c 00 00 00 31 c9 8b 03
83 f8 0f
Aug 29 23:43:53 bowl kernel: [350485.786976] EIP: [<c03318ae>]
netlink_rcv_skb+0xa/0x7e SS:ESP 0068:dee05c80
Aug 29 23:43:53 bowl kernel: [350485.790485] at virtual address 00000054
Aug 29 23:43:53 bowl kernel: [350485.790557] printing eip:
Aug 29 23:43:53 bowl kernel: [350485.790613] c03318ae
Aug 29 23:43:53 bowl kernel: [350485.790665] *pde = 00000000
Aug 29 23:43:53 bowl kernel: [350485.790727] Oops: 0000 [#4]
Aug 29 23:43:53 bowl kernel: [350485.790779] PREEMPT SMP
Aug 29 23:43:53 bowl kernel: [350485.790907] Modules linked in: w83627hf
hwmon_vid i2c_isa
Aug 29 23:43:53 bowl kernel: [350485.791103] CPU: 1
Aug 29 23:43:53 bowl kernel: [350485.791104] EIP: 0060:[<c03318ae>] Not
tainted VLI
Aug 29 23:43:54 bowl kernel: [350485.791106] EFLAGS: 00010246 (2.6.22.3 #1)
Aug 29 23:43:54 bowl kernel: [350485.791241] EIP is at netlink_rcv_skb+0xa/0x7e
Aug 29 23:43:56 bowl kernel: [350485.791286] eax: 00000000 ebx: 00000000
ecx: c153a920 edx: c0398819
Aug 29 23:43:57 bowl kernel: [350485.791336] esi: 00000000 edi: c0398819
ebp: eaa85c8c esp: eaa85c80
Aug 29 23:43:57 bowl kernel: [350485.791389] ds: 007b es: 007b fs: 00d8
gs: 0033 ss: 0068
Aug 29 23:43:57 bowl kernel: [350485.791441] Process oidentd (pid: 21497,
ti=eaa84000 task=caca0330 task.ti=eaa84000)
Aug 29 23:43:57 bowl kernel: [350485.791492] Stack: 00000000 eaa85cac f7c8ba78
eaa85ca4 c0331962 c0398819 f7c8ba00 0000004c
Aug 29 23:43:57 bowl kernel: [350485.791825] f736f000 eaa85cb4 c03988e3
00000001 f7c8ba00 eaa85cc4 c03312a5 0000004c
Aug 29 23:43:57 bowl kernel: [350485.792158] f7c8ba00 eaa85cd4 c0330681
f7c8ba00 e9d49180 eaa85d00 c03307c6 7fffffff
Aug 29 23:43:57 bowl kernel: [350485.792491] Call Trace:
Aug 29 23:43:57 bowl kernel: [350485.792572] [<c010361a>]
show_trace_log_lvl+0x1c/0x33
Aug 29 23:43:57 bowl kernel: [350485.792653] [<c01036d4>]
show_stack_log_lvl+0x8d/0xaa
Aug 29 23:43:57 bowl kernel: [350485.792731] [<c010390e>]
show_registers+0x1cb/0x321
Aug 29 23:43:58 bowl kernel: [350485.792808] [<c0103bff>] die+0x112/0x1e1
Aug 29 23:43:58 bowl kernel: [350485.792885] [<c01132d2>]
do_page_fault+0x229/0x565
Aug 29 23:43:58 bowl kernel: [350485.792963] [<c03c8d3a>] error_code+0x72/0x78
Aug 29 23:43:58 bowl kernel: [350485.793043] [<c0331962>]
netlink_run_queue+0x40/0x76
Aug 29 23:43:58 bowl kernel: [350485.793123] [<c03988e3>]
inet_diag_rcv+0x1f/0x2c
Aug 29 23:43:58 bowl kernel: [350485.793208] [<c03312a5>]
netlink_data_ready+0x57/0x59
Aug 29 23:43:58 bowl kernel: [350485.793290] [<c0330681>]
netlink_sendskb+0x24/0x45
Aug 29 23:43:58 bowl kernel: [350485.793373] [<c03307c6>]
netlink_unicast+0x100/0x116
Aug 29 23:43:59 bowl kernel: [350485.793455] [<c0330f83>]
netlink_sendmsg+0x1c2/0x280
Aug 29 23:43:59 bowl kernel: [350485.793538] [<c02fcce9>]
sock_sendmsg+0xba/0xd5
Aug 29 23:43:59 bowl kernel: [350485.793641] [<c02fe4d1>]
sys_sendmsg+0x17b/0x1e8
Aug 29 23:43:59 bowl kernel: [350485.793732] [<c02fe92d>]
sys_socketcall+0x230/0x24d
Aug 29 23:43:59 bowl kernel: [350485.793822] [<c01028d2>] syscall_call+0x7/0xb
Aug 29 23:44:00 bowl kernel: [350485.793919] =======================
Aug 29 23:44:00 bowl kernel: [350485.793964] Code: f0 ff 4e 18 0f 94 c0 84 c0
0f 84 66 ff ff ff 89 f0 e8 86 e2 fc ff e9 5a ff ff ff f0 ff 40 10 eb be 55 89
e5 57 89 d7 56 89 c6 53 <8b> 50 54 83 fa 10 72 55 8b 9e 9c 00 00 00 31 c9 8b 03
83 f8 0f
Aug 29 23:44:00 bowl kernel: [350485.796458] EIP: [<c03318ae>]
netlink_rcv_skb+0xa/0x7e SS:ESP 0068:eaa85c80
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