* BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0
@ 2007-10-17 6:40 Krzysztof Oledzki
2007-10-17 6:57 ` Eric Dumazet
0 siblings, 1 reply; 9+ messages in thread
From: Krzysztof Oledzki @ 2007-10-17 6:40 UTC (permalink / raw)
To: netdev
[-- Attachment #1: Type: TEXT/PLAIN, Size: 1836 bytes --]
Hello,
Today I found in my logs:
BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0
printing eip:
78395f65
*pde = 00000000
Oops: 0000 [#1]
PREEMPT SMP
CPU: 0
EIP: 0060:[<78395f65>] Not tainted VLI
EFLAGS: 00210286 (2.6.22.9 #1)
EIP is at __ip_route_output_key+0x412/0x722
eax: 80000000 ebx: 00000000 ecx: 5dd2b1c3 edx: 00000000
esi: 00000000 edi: d44c7e30 ebp: ec8c4980 esp: d44c7ddc
ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
Process smtpd (pid: 12479, ti=d44c6000 task=9e759510 task.ti=d44c6000)
Stack: d44c7e7c d44c7e7c d44c7eb8 00000000 d44c7e7c 00000000 00000000 00000005
00000000 ffffffff 5dd2b1c3 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00030000 00000000 d44c7e7c
Call Trace:
[<78396280>] ip_route_output_flow+0xb/0x3e
[<783b2b29>] ip4_datagram_connect+0x1c9/0x308
[<783ba70a>] inet_dgram_connect+0x45/0x4e
[<7837135e>] sys_connect+0x72/0x9c
[<78371607>] sock_map_fd+0x41/0x4a
[<7840d1b1>] _spin_lock+0x33/0x3e
[<7840d623>] _spin_unlock+0x25/0x3b
[<78371607>] sock_map_fd+0x41/0x4a
[<78372792>] sys_socketcall+0x8f/0x242
[<7813e99c>] trace_hardirqs_on+0x122/0x14c
[<78103dc6>] sysenter_past_esp+0x8f/0x99
[<78103d96>] sysenter_past_esp+0x5f/0x99
=======================
Code: fa e0 00 00 00 75 07 c6 44 24 56 05 eb 14 81 fa f0 00 00 00 0f 84 e1 02 00 00 84 c0 0f 84 d9 02 00 00 8b 44 24 0c 0d 00 00 00 80 <f6> 86 b0 00 00 00 08 0f 44 44 24 0c 89 44 24 0c b8 01 00 00 00
EIP: [<78395f65>] __ip_route_output_key+0x412/0x722 SS:ESP 0068:d44c7ddc
Shortly before it there was:
Oct 17 07:17:55 cougar postfix/master[3400]: warning: process /usr/lib/postfix/smtpd pid 12479 killed by signal 11
Best regards,
Krzysztof Olędzki
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0
2007-10-17 6:40 BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0 Krzysztof Oledzki
@ 2007-10-17 6:57 ` Eric Dumazet
2007-10-17 8:21 ` Krzysztof Oledzki
0 siblings, 1 reply; 9+ messages in thread
From: Eric Dumazet @ 2007-10-17 6:57 UTC (permalink / raw)
To: Krzysztof Oledzki; +Cc: netdev
Krzysztof Oledzki a écrit :
> Hello,
>
> Today I found in my logs:
>
> BUG: unable to handle kernel NULL pointer dereference at virtual address
> 000000b0
> printing eip:
> 78395f65
> *pde = 00000000
> Oops: 0000 [#1]
> PREEMPT SMP
> CPU: 0
> EIP: 0060:[<78395f65>] Not tainted VLI
> EFLAGS: 00210286 (2.6.22.9 #1)
> EIP is at __ip_route_output_key+0x412/0x722
> eax: 80000000 ebx: 00000000 ecx: 5dd2b1c3 edx: 00000000
> esi: 00000000 edi: d44c7e30 ebp: ec8c4980 esp: d44c7ddc
> ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
> Process smtpd (pid: 12479, ti=d44c6000 task=9e759510 task.ti=d44c6000)
> Stack: d44c7e7c d44c7e7c d44c7eb8 00000000 d44c7e7c 00000000 00000000
> 00000005
> 00000000 ffffffff 5dd2b1c3 00000000 00000000 00000000 00000000
> 00000000
> 00000000 00000000 00000000 00000000 00000000 00030000 00000000
> d44c7e7c
> Call Trace:
> [<78396280>] ip_route_output_flow+0xb/0x3e
> [<783b2b29>] ip4_datagram_connect+0x1c9/0x308
> [<783ba70a>] inet_dgram_connect+0x45/0x4e
> [<7837135e>] sys_connect+0x72/0x9c
> [<78371607>] sock_map_fd+0x41/0x4a
> [<7840d1b1>] _spin_lock+0x33/0x3e
> [<7840d623>] _spin_unlock+0x25/0x3b
> [<78371607>] sock_map_fd+0x41/0x4a
> [<78372792>] sys_socketcall+0x8f/0x242
> [<7813e99c>] trace_hardirqs_on+0x122/0x14c
> [<78103dc6>] sysenter_past_esp+0x8f/0x99
> [<78103d96>] sysenter_past_esp+0x5f/0x99
> =======================
> Code: fa e0 00 00 00 75 07 c6 44 24 56 05 eb 14 81 fa f0 00 00 00 0f 84
> e1 02 00 00 84 c0 0f 84 d9 02 00 00 8b 44 24 0c 0d 00 00 00 80 <f6> 86
> b0 00 00 00 08 0f 44 44 24 0c 89 44 24 0c b8 01 00 00 00
> EIP: [<78395f65>] __ip_route_output_key+0x412/0x722 SS:ESP 0068:d44c7ddc
>
> Shortly before it there was:
> Oct 17 07:17:55 cougar postfix/master[3400]: warning: process
> /usr/lib/postfix/smtpd pid 12479 killed by signal 11
>
> Best regards,
>
>
> Krzysztof Olędzki
Hello Krzysztof
Could you give us some details about this ? kernel version at least.
(you could for example take a look at REPORTING-BUGS, or run
scripts/ver_linux)
Thanks
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0
2007-10-17 6:57 ` Eric Dumazet
@ 2007-10-17 8:21 ` Krzysztof Oledzki
2007-10-17 10:38 ` Eric Dumazet
0 siblings, 1 reply; 9+ messages in thread
From: Krzysztof Oledzki @ 2007-10-17 8:21 UTC (permalink / raw)
To: Eric Dumazet; +Cc: netdev
[-- Attachment #1: Type: TEXT/PLAIN, Size: 2969 bytes --]
On Wed, 17 Oct 2007, Eric Dumazet wrote:
> Krzysztof Oledzki a écrit :
>> Hello,
>>
>> Today I found in my logs:
>>
>> BUG: unable to handle kernel NULL pointer dereference at virtual address
>> 000000b0
>> printing eip:
>> 78395f65
>> *pde = 00000000
>> Oops: 0000 [#1]
>> PREEMPT SMP
>> CPU: 0
>> EIP: 0060:[<78395f65>] Not tainted VLI
>> EFLAGS: 00210286 (2.6.22.9 #1)
>> EIP is at __ip_route_output_key+0x412/0x722
>> eax: 80000000 ebx: 00000000 ecx: 5dd2b1c3 edx: 00000000
>> esi: 00000000 edi: d44c7e30 ebp: ec8c4980 esp: d44c7ddc
>> ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
>> Process smtpd (pid: 12479, ti=d44c6000 task=9e759510 task.ti=d44c6000)
>> Stack: d44c7e7c d44c7e7c d44c7eb8 00000000 d44c7e7c 00000000 00000000
>> 00000005
>> 00000000 ffffffff 5dd2b1c3 00000000 00000000 00000000 00000000
>> 00000000
>> 00000000 00000000 00000000 00000000 00000000 00030000 00000000
>> d44c7e7c
>> Call Trace:
>> [<78396280>] ip_route_output_flow+0xb/0x3e
>> [<783b2b29>] ip4_datagram_connect+0x1c9/0x308
>> [<783ba70a>] inet_dgram_connect+0x45/0x4e
>> [<7837135e>] sys_connect+0x72/0x9c
>> [<78371607>] sock_map_fd+0x41/0x4a
>> [<7840d1b1>] _spin_lock+0x33/0x3e
>> [<7840d623>] _spin_unlock+0x25/0x3b
>> [<78371607>] sock_map_fd+0x41/0x4a
>> [<78372792>] sys_socketcall+0x8f/0x242
>> [<7813e99c>] trace_hardirqs_on+0x122/0x14c
>> [<78103dc6>] sysenter_past_esp+0x8f/0x99
>> [<78103d96>] sysenter_past_esp+0x5f/0x99
>> =======================
>> Code: fa e0 00 00 00 75 07 c6 44 24 56 05 eb 14 81 fa f0 00 00 00 0f 84 e1
>> 02 00 00 84 c0 0f 84 d9 02 00 00 8b 44 24 0c 0d 00 00 00 80 <f6> 86 b0 00
>> 00 00 08 0f 44 44 24 0c 89 44 24 0c b8 01 00 00 00
>> EIP: [<78395f65>] __ip_route_output_key+0x412/0x722 SS:ESP 0068:d44c7ddc
>>
>> Shortly before it there was:
>> Oct 17 07:17:55 cougar postfix/master[3400]: warning: process
>> /usr/lib/postfix/smtpd pid 12479 killed by signal 11
>>
>> Best regards,
>>
>>
>> Krzysztof Olędzki
>
> Hello Krzysztof
>
> Could you give us some details about this ? kernel version at least.
Yes, I was little to hurry sending this bug report. Anyway, it is 2.6.22.9
like mentioned in the oops: EFLAGS: 00210286 (2.6.22.9 #1)
> (you could for example take a look at REPORTING-BUGS, or run
> scripts/ver_linux)
Linux cougar 2.6.22.9 #1 SMP PREEMPT Wed Oct 3 10:24:19 CEST 2007 i686 Intel(R) Pentium(R) D CPU 3.20GHz GenuineIntel GNU/Linux
Gnu C 4.1.2
Gnu make 3.81
binutils 2.17
util-linux 2.12r
mount 2.12r
module-init-tools 3.2.2
e2fsprogs 1.40.2
Linux C Library > libc.2.5
Dynamic linker (ldd) 2.5
Procps 3.2.7
Net-tools 1.60
Kbd 1.12
Sh-utils 6.9
Best regards,
Krzysztof OLędzki
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0
2007-10-17 8:21 ` Krzysztof Oledzki
@ 2007-10-17 10:38 ` Eric Dumazet
2007-10-17 10:53 ` Krzysztof Oledzki
0 siblings, 1 reply; 9+ messages in thread
From: Eric Dumazet @ 2007-10-17 10:38 UTC (permalink / raw)
To: Krzysztof Oledzki; +Cc: netdev
Krzysztof Oledzki a écrit :
>
>
> On Wed, 17 Oct 2007, Eric Dumazet wrote:
>
>> Krzysztof Oledzki a écrit :
>>> Hello,
>>>
>>> Today I found in my logs:
>>>
>>> BUG: unable to handle kernel NULL pointer dereference at virtual
>>> address 000000b0
>>> printing eip:
>>> 78395f65
>>> *pde = 00000000
>>> Oops: 0000 [#1]
>>> PREEMPT SMP
>>> CPU: 0
>>> EIP: 0060:[<78395f65>] Not tainted VLI
>>> EFLAGS: 00210286 (2.6.22.9 #1)
>>> EIP is at __ip_route_output_key+0x412/0x722
>>> eax: 80000000 ebx: 00000000 ecx: 5dd2b1c3 edx: 00000000
>>> esi: 00000000 edi: d44c7e30 ebp: ec8c4980 esp: d44c7ddc
>>> ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
>>> Process smtpd (pid: 12479, ti=d44c6000 task=9e759510 task.ti=d44c6000)
>>> Stack: d44c7e7c d44c7e7c d44c7eb8 00000000 d44c7e7c 00000000 00000000
>>> 00000005
>>> 00000000 ffffffff 5dd2b1c3 00000000 00000000 00000000 00000000
>>> 00000000
>>> 00000000 00000000 00000000 00000000 00000000 00030000 00000000
>>> d44c7e7c
>>> Call Trace:
>>> [<78396280>] ip_route_output_flow+0xb/0x3e
>>> [<783b2b29>] ip4_datagram_connect+0x1c9/0x308
>>> [<783ba70a>] inet_dgram_connect+0x45/0x4e
>>> [<7837135e>] sys_connect+0x72/0x9c
>>> [<78371607>] sock_map_fd+0x41/0x4a
>>> [<7840d1b1>] _spin_lock+0x33/0x3e
>>> [<7840d623>] _spin_unlock+0x25/0x3b
>>> [<78371607>] sock_map_fd+0x41/0x4a
>>> [<78372792>] sys_socketcall+0x8f/0x242
>>> [<7813e99c>] trace_hardirqs_on+0x122/0x14c
>>> [<78103dc6>] sysenter_past_esp+0x8f/0x99
>>> [<78103d96>] sysenter_past_esp+0x5f/0x99
>>> =======================
>>> Code: fa e0 00 00 00 75 07 c6 44 24 56 05 eb 14 81 fa f0 00 00 00 0f
>>> 84 e1 02 00 00 84 c0 0f 84 d9 02 00 00 8b 44 24 0c 0d 00 00 00 80
>>> <f6> 86 b0 00 00 00 08 0f 44 44 24 0c 89 44 24 0c b8 01 00 00 00
>>> EIP: [<78395f65>] __ip_route_output_key+0x412/0x722 SS:ESP 0068:d44c7ddc
>>>
>>> Shortly before it there was:
>>> Oct 17 07:17:55 cougar postfix/master[3400]: warning: process
>>> /usr/lib/postfix/smtpd pid 12479 killed by signal 11
>>>
>>> Best regards,
>>>
>>>
>>> Krzysztof Olędzki
>>
>> Hello Krzysztof
>>
>> Could you give us some details about this ? kernel version at least.
>
> Yes, I was little to hurry sending this bug report. Anyway, it is
> 2.6.22.9 like mentioned in the oops: EFLAGS: 00210286 (2.6.22.9 #1)
>
>> (you could for example take a look at REPORTING-BUGS, or run
>> scripts/ver_linux)
>
> Linux cougar 2.6.22.9 #1 SMP PREEMPT Wed Oct 3 10:24:19 CEST 2007 i686
> Intel(R) Pentium(R) D CPU 3.20GHz GenuineIntel GNU/Linux
>
> Gnu C 4.1.2
> Gnu make 3.81
> binutils 2.17
> util-linux 2.12r
> mount 2.12r
> module-init-tools 3.2.2
> e2fsprogs 1.40.2
> Linux C Library > libc.2.5
> Dynamic linker (ldd) 2.5
> Procps 3.2.7
> Net-tools 1.60
> Kbd 1.12
> Sh-utils 6.9
>
Yes indeed, version was on your initial report.
It seems this kernel is unusual (VMSPLIT_2G_OPT instead of stdandard
VMSPLIT_3G), any chance you provide full .config ?
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0
2007-10-17 10:38 ` Eric Dumazet
@ 2007-10-17 10:53 ` Krzysztof Oledzki
2007-10-17 13:54 ` Eric Dumazet
0 siblings, 1 reply; 9+ messages in thread
From: Krzysztof Oledzki @ 2007-10-17 10:53 UTC (permalink / raw)
To: Eric Dumazet; +Cc: netdev
[-- Attachment #1: Type: TEXT/PLAIN, Size: 3483 bytes --]
On Wed, 17 Oct 2007, Eric Dumazet wrote:
> Krzysztof Oledzki a écrit :
>>
>>
>> On Wed, 17 Oct 2007, Eric Dumazet wrote:
>>
>>> Krzysztof Oledzki a écrit :
>>>> Hello,
>>>>
>>>> Today I found in my logs:
>>>>
>>>> BUG: unable to handle kernel NULL pointer dereference at virtual address
>>>> 000000b0
>>>> printing eip:
>>>> 78395f65
>>>> *pde = 00000000
>>>> Oops: 0000 [#1]
>>>> PREEMPT SMP
>>>> CPU: 0
>>>> EIP: 0060:[<78395f65>] Not tainted VLI
>>>> EFLAGS: 00210286 (2.6.22.9 #1)
>>>> EIP is at __ip_route_output_key+0x412/0x722
>>>> eax: 80000000 ebx: 00000000 ecx: 5dd2b1c3 edx: 00000000
>>>> esi: 00000000 edi: d44c7e30 ebp: ec8c4980 esp: d44c7ddc
>>>> ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
>>>> Process smtpd (pid: 12479, ti=d44c6000 task=9e759510 task.ti=d44c6000)
>>>> Stack: d44c7e7c d44c7e7c d44c7eb8 00000000 d44c7e7c 00000000 00000000
>>>> 00000005
>>>> 00000000 ffffffff 5dd2b1c3 00000000 00000000 00000000 00000000
>>>> 00000000
>>>> 00000000 00000000 00000000 00000000 00000000 00030000 00000000
>>>> d44c7e7c
>>>> Call Trace:
>>>> [<78396280>] ip_route_output_flow+0xb/0x3e
>>>> [<783b2b29>] ip4_datagram_connect+0x1c9/0x308
>>>> [<783ba70a>] inet_dgram_connect+0x45/0x4e
>>>> [<7837135e>] sys_connect+0x72/0x9c
>>>> [<78371607>] sock_map_fd+0x41/0x4a
>>>> [<7840d1b1>] _spin_lock+0x33/0x3e
>>>> [<7840d623>] _spin_unlock+0x25/0x3b
>>>> [<78371607>] sock_map_fd+0x41/0x4a
>>>> [<78372792>] sys_socketcall+0x8f/0x242
>>>> [<7813e99c>] trace_hardirqs_on+0x122/0x14c
>>>> [<78103dc6>] sysenter_past_esp+0x8f/0x99
>>>> [<78103d96>] sysenter_past_esp+0x5f/0x99
>>>> =======================
>>>> Code: fa e0 00 00 00 75 07 c6 44 24 56 05 eb 14 81 fa f0 00 00 00 0f 84
>>>> e1 02 00 00 84 c0 0f 84 d9 02 00 00 8b 44 24 0c 0d 00 00 00 80 <f6> 86 b0
>>>> 00 00 00 08 0f 44 44 24 0c 89 44 24 0c b8 01 00 00 00
>>>> EIP: [<78395f65>] __ip_route_output_key+0x412/0x722 SS:ESP 0068:d44c7ddc
>>>>
>>>> Shortly before it there was:
>>>> Oct 17 07:17:55 cougar postfix/master[3400]: warning: process
>>>> /usr/lib/postfix/smtpd pid 12479 killed by signal 11
>>>>
>>>> Best regards,
>>>>
>>>>
>>>> Krzysztof Olędzki
>>>
>>> Hello Krzysztof
>>>
>>> Could you give us some details about this ? kernel version at least.
>>
>> Yes, I was little to hurry sending this bug report. Anyway, it is 2.6.22.9
>> like mentioned in the oops: EFLAGS: 00210286 (2.6.22.9 #1)
>>
>>> (you could for example take a look at REPORTING-BUGS, or run
>>> scripts/ver_linux)
>>
>> Linux cougar 2.6.22.9 #1 SMP PREEMPT Wed Oct 3 10:24:19 CEST 2007 i686
>> Intel(R) Pentium(R) D CPU 3.20GHz GenuineIntel GNU/Linux
>>
>> Gnu C 4.1.2
>> Gnu make 3.81
>> binutils 2.17
>> util-linux 2.12r
>> mount 2.12r
>> module-init-tools 3.2.2
>> e2fsprogs 1.40.2
>> Linux C Library > libc.2.5
>> Dynamic linker (ldd) 2.5
>> Procps 3.2.7
>> Net-tools 1.60
>> Kbd 1.12
>> Sh-utils 6.9
>>
>
> Yes indeed, version was on your initial report.
>
> It seems this kernel is unusual (VMSPLIT_2G_OPT instead of stdandard
> VMSPLIT_3G), any chance you provide full .config ?
Attached, both .config and dmesg.
Thank you.
Best regards,
Krzysztof Olędzki
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[-- Attachment #3: Type: APPLICATION/octet-stream, Size: 8674 bytes --]
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0
2007-10-17 10:53 ` Krzysztof Oledzki
@ 2007-10-17 13:54 ` Eric Dumazet
2007-10-18 11:22 ` Krzysztof Oledzki
0 siblings, 1 reply; 9+ messages in thread
From: Eric Dumazet @ 2007-10-17 13:54 UTC (permalink / raw)
To: Krzysztof Oledzki; +Cc: netdev
Krzysztof Oledzki a écrit :
>
>
> On Wed, 17 Oct 2007, Eric Dumazet wrote:
>
>> Krzysztof Oledzki a écrit :
>>>
>>>
>>> On Wed, 17 Oct 2007, Eric Dumazet wrote:
>>>
>>>> Krzysztof Oledzki a écrit :
>>>>> Hello,
>>>>>
>>>>> Today I found in my logs:
>>>>>
>>>>> BUG: unable to handle kernel NULL pointer dereference at virtual
>>>>> address 000000b0
>>>>> printing eip:
>>>>> 78395f65
>>>>> *pde = 00000000
>>>>> Oops: 0000 [#1]
>>>>> PREEMPT SMP
>>>>> CPU: 0
>>>>> EIP: 0060:[<78395f65>] Not tainted VLI
>>>>> EFLAGS: 00210286 (2.6.22.9 #1)
>>>>> EIP is at __ip_route_output_key+0x412/0x722
>>>>> eax: 80000000 ebx: 00000000 ecx: 5dd2b1c3 edx: 00000000
>>>>> esi: 00000000 edi: d44c7e30 ebp: ec8c4980 esp: d44c7ddc
>>>>> ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
>>>>> Process smtpd (pid: 12479, ti=d44c6000 task=9e759510 task.ti=d44c6000)
>>>>> Stack: d44c7e7c d44c7e7c d44c7eb8 00000000 d44c7e7c 00000000
>>>>> 00000000 00000005
>>>>> 00000000 ffffffff 5dd2b1c3 00000000 00000000 00000000
>>>>> 00000000 00000000
>>>>> 00000000 00000000 00000000 00000000 00000000 00030000
>>>>> 00000000 d44c7e7c
>>>>> Call Trace:
>>>>> [<78396280>] ip_route_output_flow+0xb/0x3e
>>>>> [<783b2b29>] ip4_datagram_connect+0x1c9/0x308
>>>>> [<783ba70a>] inet_dgram_connect+0x45/0x4e
>>>>> [<7837135e>] sys_connect+0x72/0x9c
>>>>> [<78371607>] sock_map_fd+0x41/0x4a
>>>>> [<7840d1b1>] _spin_lock+0x33/0x3e
>>>>> [<7840d623>] _spin_unlock+0x25/0x3b
>>>>> [<78371607>] sock_map_fd+0x41/0x4a
>>>>> [<78372792>] sys_socketcall+0x8f/0x242
>>>>> [<7813e99c>] trace_hardirqs_on+0x122/0x14c
>>>>> [<78103dc6>] sysenter_past_esp+0x8f/0x99
>>>>> [<78103d96>] sysenter_past_esp+0x5f/0x99
>>>>> =======================
>>>>> Code: fa e0 00 00 00 75 07 c6 44 24 56 05 eb 14 81 fa f0 00 00 00
>>>>> 0f 84 e1 02 00 00 84 c0 0f 84 d9 02 00 00 8b 44 24 0c 0d 00 00 00
>>>>> 80 <f6> 86 b0 00 00 00 08 0f 44 44 24 0c 89 44 24 0c b8 01 00 00 00
>>>>> EIP: [<78395f65>] __ip_route_output_key+0x412/0x722 SS:ESP
>>>>> 0068:d44c7ddc
>>>>>
>>>>> Shortly before it there was:
>>>>> Oct 17 07:17:55 cougar postfix/master[3400]: warning: process
>>>>> /usr/lib/postfix/smtpd pid 12479 killed by signal 11
>>>>>
>>>>> Best regards,
>>>>>
>>>>>
>>>>> Krzysztof Olędzki
>>>>
>>>> Hello Krzysztof
>>>>
>>>> Could you give us some details about this ? kernel version at least.
>>>
>>> Yes, I was little to hurry sending this bug report. Anyway, it is
>>> 2.6.22.9 like mentioned in the oops: EFLAGS: 00210286 (2.6.22.9 #1)
>>>
>>>> (you could for example take a look at REPORTING-BUGS, or run
>>>> scripts/ver_linux)
>>>
>>> Linux cougar 2.6.22.9 #1 SMP PREEMPT Wed Oct 3 10:24:19 CEST 2007
>>> i686 Intel(R) Pentium(R) D CPU 3.20GHz GenuineIntel GNU/Linux
>>>
>>> Gnu C 4.1.2
>>> Gnu make 3.81
>>> binutils 2.17
>>> util-linux 2.12r
>>> mount 2.12r
>>> module-init-tools 3.2.2
>>> e2fsprogs 1.40.2
>>> Linux C Library > libc.2.5
>>> Dynamic linker (ldd) 2.5
>>> Procps 3.2.7
>>> Net-tools 1.60
>>> Kbd 1.12
>>> Sh-utils 6.9
>>>
>>
>> Yes indeed, version was on your initial report.
>>
>> It seems this kernel is unusual (VMSPLIT_2G_OPT instead of stdandard
>> VMSPLIT_3G), any chance you provide full .config ?
>
> Attached, both .config and dmesg.
>
Hum, you are using IPT_TPROXY thing, which is not in linux-2.6.22.9
I have no idea how this can taint the kernel, since you provide no information.
Try to reproduce the problem with a genuine kernel.
Thank you
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0
2007-10-17 13:54 ` Eric Dumazet
@ 2007-10-18 11:22 ` Krzysztof Oledzki
2007-10-18 11:46 ` Patrick McHardy
0 siblings, 1 reply; 9+ messages in thread
From: Krzysztof Oledzki @ 2007-10-18 11:22 UTC (permalink / raw)
To: Eric Dumazet; +Cc: netdev
[-- Attachment #1: Type: TEXT/PLAIN, Size: 4054 bytes --]
On Wed, 17 Oct 2007, Eric Dumazet wrote:
> Krzysztof Oledzki a écrit :
>>
>>
>> On Wed, 17 Oct 2007, Eric Dumazet wrote:
>>
>>> Krzysztof Oledzki a écrit :
>>>>
>>>>
>>>> On Wed, 17 Oct 2007, Eric Dumazet wrote:
>>>>
>>>>> Krzysztof Oledzki a écrit :
>>>>>> Hello,
>>>>>>
>>>>>> Today I found in my logs:
>>>>>>
>>>>>> BUG: unable to handle kernel NULL pointer dereference at virtual
>>>>>> address 000000b0
>>>>>> printing eip:
>>>>>> 78395f65
>>>>>> *pde = 00000000
>>>>>> Oops: 0000 [#1]
>>>>>> PREEMPT SMP
>>>>>> CPU: 0
>>>>>> EIP: 0060:[<78395f65>] Not tainted VLI
>>>>>> EFLAGS: 00210286 (2.6.22.9 #1)
>>>>>> EIP is at __ip_route_output_key+0x412/0x722
>>>>>> eax: 80000000 ebx: 00000000 ecx: 5dd2b1c3 edx: 00000000
>>>>>> esi: 00000000 edi: d44c7e30 ebp: ec8c4980 esp: d44c7ddc
>>>>>> ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068
>>>>>> Process smtpd (pid: 12479, ti=d44c6000 task=9e759510 task.ti=d44c6000)
>>>>>> Stack: d44c7e7c d44c7e7c d44c7eb8 00000000 d44c7e7c 00000000 00000000
>>>>>> 00000005
>>>>>> 00000000 ffffffff 5dd2b1c3 00000000 00000000 00000000 00000000
>>>>>> 00000000
>>>>>> 00000000 00000000 00000000 00000000 00000000 00030000 00000000
>>>>>> d44c7e7c
>>>>>> Call Trace:
>>>>>> [<78396280>] ip_route_output_flow+0xb/0x3e
>>>>>> [<783b2b29>] ip4_datagram_connect+0x1c9/0x308
>>>>>> [<783ba70a>] inet_dgram_connect+0x45/0x4e
>>>>>> [<7837135e>] sys_connect+0x72/0x9c
>>>>>> [<78371607>] sock_map_fd+0x41/0x4a
>>>>>> [<7840d1b1>] _spin_lock+0x33/0x3e
>>>>>> [<7840d623>] _spin_unlock+0x25/0x3b
>>>>>> [<78371607>] sock_map_fd+0x41/0x4a
>>>>>> [<78372792>] sys_socketcall+0x8f/0x242
>>>>>> [<7813e99c>] trace_hardirqs_on+0x122/0x14c
>>>>>> [<78103dc6>] sysenter_past_esp+0x8f/0x99
>>>>>> [<78103d96>] sysenter_past_esp+0x5f/0x99
>>>>>> =======================
>>>>>> Code: fa e0 00 00 00 75 07 c6 44 24 56 05 eb 14 81 fa f0 00 00 00 0f 84
>>>>>> e1 02 00 00 84 c0 0f 84 d9 02 00 00 8b 44 24 0c 0d 00 00 00 80 <f6> 86
>>>>>> b0 00 00 00 08 0f 44 44 24 0c 89 44 24 0c b8 01 00 00 00
>>>>>> EIP: [<78395f65>] __ip_route_output_key+0x412/0x722 SS:ESP
>>>>>> 0068:d44c7ddc
>>>>>>
>>>>>> Shortly before it there was:
>>>>>> Oct 17 07:17:55 cougar postfix/master[3400]: warning: process
>>>>>> /usr/lib/postfix/smtpd pid 12479 killed by signal 11
>>>>>>
>>>>>> Best regards,
>>>>>>
>>>>>>
>>>>>> Krzysztof Olędzki
>>>>>
>>>>> Hello Krzysztof
>>>>>
>>>>> Could you give us some details about this ? kernel version at least.
>>>>
>>>> Yes, I was little to hurry sending this bug report. Anyway, it is
>>>> 2.6.22.9 like mentioned in the oops: EFLAGS: 00210286 (2.6.22.9 #1)
>>>>
>>>>> (you could for example take a look at REPORTING-BUGS, or run
>>>>> scripts/ver_linux)
>>>>
>>>> Linux cougar 2.6.22.9 #1 SMP PREEMPT Wed Oct 3 10:24:19 CEST 2007 i686
>>>> Intel(R) Pentium(R) D CPU 3.20GHz GenuineIntel GNU/Linux
>>>>
>>>> Gnu C 4.1.2
>>>> Gnu make 3.81
>>>> binutils 2.17
>>>> util-linux 2.12r
>>>> mount 2.12r
>>>> module-init-tools 3.2.2
>>>> e2fsprogs 1.40.2
>>>> Linux C Library > libc.2.5
>>>> Dynamic linker (ldd) 2.5
>>>> Procps 3.2.7
>>>> Net-tools 1.60
>>>> Kbd 1.12
>>>> Sh-utils 6.9
>>>>
>>>
>>> Yes indeed, version was on your initial report.
>>>
>>> It seems this kernel is unusual (VMSPLIT_2G_OPT instead of stdandard
>>> VMSPLIT_3G), any chance you provide full .config ?
>>
>> Attached, both .config and dmesg.
>>
>
> Hum, you are using IPT_TPROXY thing, which is not in linux-2.6.22.9
It is only compiled in, not used at the moment.
> I have no idea how this can taint the kernel, since you provide no
> information.
>
> Try to reproduce the problem with a genuine kernel.
OK. Thank you.
Best regards,
Krzysztof Olędzki
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0
2007-10-18 11:22 ` Krzysztof Oledzki
@ 2007-10-18 11:46 ` Patrick McHardy
2007-10-18 13:15 ` Krzysztof Oledzki
0 siblings, 1 reply; 9+ messages in thread
From: Patrick McHardy @ 2007-10-18 11:46 UTC (permalink / raw)
To: Krzysztof Oledzki; +Cc: Eric Dumazet, netdev
Krzysztof Oledzki wrote:
>> Hum, you are using IPT_TPROXY thing, which is not in linux-2.6.22.9
>
> It is only compiled in, not used at the moment.
But at least the previous version (before those patches posted a week
ago) touches the routing code in exactly that function.
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0
2007-10-18 11:46 ` Patrick McHardy
@ 2007-10-18 13:15 ` Krzysztof Oledzki
0 siblings, 0 replies; 9+ messages in thread
From: Krzysztof Oledzki @ 2007-10-18 13:15 UTC (permalink / raw)
To: Patrick McHardy; +Cc: Eric Dumazet, netdev
[-- Attachment #1: Type: TEXT/PLAIN, Size: 406 bytes --]
On Thu, 18 Oct 2007, Patrick McHardy wrote:
> Krzysztof Oledzki wrote:
>>> Hum, you are using IPT_TPROXY thing, which is not in linux-2.6.22.9
>>
>> It is only compiled in, not used at the moment.
>
> But at least the previous version (before those patches posted a week
> ago) touches the routing code in exactly that function.
Right. Thank you.
Best regards,
Krzysztof Olędzki
^ permalink raw reply [flat|nested] 9+ messages in thread
end of thread, other threads:[~2007-10-18 13:15 UTC | newest]
Thread overview: 9+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2007-10-17 6:40 BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0 Krzysztof Oledzki
2007-10-17 6:57 ` Eric Dumazet
2007-10-17 8:21 ` Krzysztof Oledzki
2007-10-17 10:38 ` Eric Dumazet
2007-10-17 10:53 ` Krzysztof Oledzki
2007-10-17 13:54 ` Eric Dumazet
2007-10-18 11:22 ` Krzysztof Oledzki
2007-10-18 11:46 ` Patrick McHardy
2007-10-18 13:15 ` Krzysztof Oledzki
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