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Old 01-06-2011, 07:17 AM
 
Default ppp/pppoe(?) issue with hardened-source-2.6.36-r6

On 6 Jan 2011 at 10:57, ungift-ed wrote:

> Jan 5 21:36:57 gate kernel: PAX: suspicious general protection fault: 0000 [#1]

can you please follow http://en.wikibooks.org/wiki/Grsecurity/Reporting_Bugs ?
also try the latest grsec or PaX patch directly as we've fixed some bugs since
-r6 or even -r7.
 
Old 01-06-2011, 07:57 AM
ungift-ed
 
Default ppp/pppoe(?) issue with hardened-source-2.6.36-r6

Jan 5 21:36:57 gate kernel: PAX: suspicious general protection fault: 0000 [#1]
Jan 5 21:36:57 gate kernel: last sysfs file: /sys/devices/platform/w83627hf.656/beep_enable
Jan 5 21:36:57 gate kernel: Modules linked in:
Jan 5 21:36:57 gate kernel:
Jan 5 21:36:57 gate kernel: Pid: 5032, comm: pppd Not tainted 2.6.36-hardened-r6 #15 i845 /
Jan 5 21:36:57 gate kernel: EIP: 0060:[<001f08d8>] EFLAGS: 00010096 CPU: 0
Jan 5 21:36:57 gate kernel: EAX: 11f61f2b EBX: eee3d5b0 ECX: 00000246 EDX: eee3d5b0
Jan 5 21:36:57 gate kernel: ESI: eed33a80 EDI: eee3d5a0 EBP: ebc08d80 ESP: edffded4
Jan 5 21:36:57 gate kernel: DS: 0068 ES: 0068 FS: 0000 GS: 00e0 SS: 0068
Jan 5 21:36:57 gate kernel: Process pppd (pid: 5032, ti=edffc000 task=ebc08d80 task.ti=edffc000)
Jan 5 21:36:57 gate kernel: Stack:
Jan 5 21:36:57 gate kernel: eee3d5b0 001d02b4 edc551dc 000005de ebc08d80 000005de eee3d5bc 16fe7f22
Jan 5 21:36:57 gate kernel: <0> 00000000 ebc08d80 00026875 eee3d5bc eee3d5bc 000005de 00000000 eed33a80
Jan 5 21:36:57 gate kernel: <0> 000005de 16fe7f22 001d020f 0008ee62 edffdf5c edffc000 0002c042 16fe9000
Jan 5 21:36:57 gate kernel: Call Trace:
Jan 5 21:36:57 gate kernel: [<001d02b4>] ? ppp_read+0xa5/0x160
Jan 5 21:36:57 gate kernel: [<00026875>] ? default_wake_function+0x0/0x8
Jan 5 21:36:57 gate kernel: [<001d020f>] ? ppp_read+0x0/0x160
Jan 5 21:36:57 gate kernel: [<0008ee62>] ? vfs_read+0xa6/0x1a5
Jan 5 21:36:57 gate kernel: [<0002c042>] ? sys_waitpid+0x27/0x2b
Jan 5 21:36:57 gate kernel: [<0003f65e>] ? kfifo_copy_in+0xa/0x4d
Jan 5 21:36:57 gate kernel: [<0008f008>] ? sys_read+0x41/0x6a
Jan 5 21:36:57 gate kernel: [<00292a3d>] ? syscall_call+0x7/0xb
Jan 5 21:36:57 gate kernel: Code: 00 83 c2 01 66 89 11 01 58 4c 01 58 50 01 98 a8 00 00 00 5b 5e 5f c3 53 89 c2 9c 59 fa 8b 00 39 c2 74 23 85 c0 74 1b 83 6a 08 01 <8b> 18 8b 50 04 c7 40 04 00 00 00 00 c7 00 00 00 00 00 89 53 04
Jan 5 21:36:57 gate kernel: EIP: [<001f08d8>] SS:ESP 0068:edffded4
Jan 5 21:36:57 gate kernel: ---[ end trace f28719e89bfaa4f3 ]---
Jan 5 21:36:57 gate kernel: PAX: suspicious general protection fault: 0000 [#2]
Jan 5 21:36:57 gate kernel: last sysfs file: /sys/devices/platform/w83627hf.656/beep_enable
Jan 5 21:36:57 gate kernel: Modules linked in:
Jan 5 21:36:57 gate kernel:
Jan 5 21:36:57 gate kernel: Pid: 5032, comm: pppd Tainted: G D 2.6.36-hardened-r6 #15 i845 /
Jan 5 21:36:57 gate kernel: EIP: 0060:[<001d0432>] EFLAGS: 00010206 CPU: 0
Jan 5 21:36:57 gate kernel: EAX: 00000001 EBX: eee3d5a0 ECX: 00000000 EDX: 00000066
Jan 5 21:36:57 gate kernel: ESI: eee3d5e0 EDI: ef53201c EBP: ef805500 ESP: edffdd98
Jan 5 21:36:57 gate kernel: DS: 0068 ES: 0068 FS: 0000 GS: 00e0 SS: 0068
Jan 5 21:36:57 gate kernel: Process pppd (pid: 5032, ti=edffc000 task=ebc08d80 task.ti=edffc000)
Jan 5 21:36:57 gate kernel: Stack:
Jan 5 21:36:57 gate kernel: edfb4260 edfb4600 ef532000 001d0f12 edfb4600 001d2002 00000008 ef53201c
Jan 5 21:36:57 gate kernel: <0> ef532000 00000000 ef53201c ef805500 001ec1f4 00000000 eed33980 00000008
Jan 5 21:36:57 gate kernel: <0> 001ec250 ef805500 0008f4dc 00000001 00000000 00000000 cf1c9400 eed33988
Jan 5 21:36:57 gate kernel: Call Trace:
Jan 5 21:36:57 gate kernel: [<001d0f12>] ? pppox_unbind_sock+0x18/0x26
Jan 5 21:36:57 gate kernel: [<001d2002>] ? pppoe_release+0x3e/0x133
Jan 5 21:36:57 gate kernel: [<001ec1f4>] ? sock_release+0x14/0x61
Jan 5 21:36:57 gate kernel: [<001ec250>] ? sock_close+0xf/0x23
Jan 5 21:36:57 gate kernel: [<0008f4dc>] ? fput+0x97/0x1ca
Jan 5 21:36:57 gate kernel: [<0008c977>] ? filp_close+0x3e/0x5b
Jan 5 21:36:57 gate kernel: [<0002b019>] ? put_files_struct+0x6c/0xb7
Jan 5 21:36:57 gate kernel: [<000051f3>] ? do_general_protection+0x0/0x1ed
Jan 5 21:36:57 gate kernel: [<0002c748>] ? do_exit+0x5f2/0x640
Jan 5 21:36:57 gate kernel: [<0015981e>] ? vgacon_save_screen+0x4c/0x5f
Jan 5 21:36:57 gate kernel: [<000051f3>] ? do_general_protection+0x0/0x1ed
Jan 5 21:36:57 gate kernel: [<00291290>] ? printk+0x17/0x1f
Jan 5 21:36:57 gate kernel: [<000051f3>] ? do_general_protection+0x0/0x1ed
Jan 5 21:36:57 gate kernel: [<0002c7bf>] ? do_group_exit+0x29/0x60
Jan 5 21:36:57 gate kernel: [<00006a3b>] ? oops_end+0x56/0x74
Jan 5 21:36:57 gate kernel: [<00292fdc>] ? error_code+0x8c/0xa0
Jan 5 21:36:57 gate kernel: [<001f08d8>] ? skb_dequeue+0x14/0x33
Jan 5 21:36:57 gate kernel: [<00010096>] ? intel_pmu_disable_event+0x8d/0x199
Jan 5 21:36:57 gate kernel: [<001d02b4>] ? ppp_read+0xa5/0x160
Jan 5 21:36:57 gate kernel: [<00026875>] ? default_wake_function+0x0/0x8
Jan 5 21:36:57 gate kernel: [<001d020f>] ? ppp_read+0x0/0x160
Jan 5 21:36:57 gate kernel: [<0008ee62>] ? vfs_read+0xa6/0x1a5
Jan 5 21:36:57 gate kernel: [<0002c042>] ? sys_waitpid+0x27/0x2b
Jan 5 21:36:57 gate kernel: [<0003f65e>] ? kfifo_copy_in+0xa/0x4d
Jan 5 21:36:57 gate kernel: [<0008f008>] ? sys_read+0x41/0x6a
Jan 5 21:36:57 gate kernel: [<00292a3d>] ? syscall_call+0x7/0xb
Jan 5 21:36:57 gate kernel: Code: e8 b6 d8 e5 ff c7 43 3c 00 00 00 00 e8 8f db e5 ff 89 f0 e8 42 23 e7 ff 89 d8 e8 c7 df ff ff 8b 53 50 85 d2 74 7c a1 a0 97 a2 c1 <8b> 92 04 02 00 00 85 c0 74 69 3b 02 77 65 e8 7d d8 e5 ff 8b 53
Jan 5 21:36:57 gate kernel: EIP: [<001d0432>] SS:ESP 0068:edffdd98
Jan 5 21:36:57 gate kernel: ---[ end trace f28719e89bfaa4f4 ]---
Jan 5 21:36:57 gate kernel: Fixing recursive fault but reboot is needed!
 
Old 01-13-2011, 03:28 PM
ungift-ed
 
Default ppp/pppoe(?) issue with hardened-source-2.6.36-r6

On Thu, 06 Jan 2011 10:17:38 +0200
pageexec@freemail.hu wrote:

> On 6 Jan 2011 at 10:57, ungift-ed wrote:
>
> > Jan 5 21:36:57 gate kernel: PAX: suspicious general protection fault: 0000 [#1]
>
> can you please follow http://en.wikibooks.org/wiki/Grsecurity/Reporting_Bugs ?
> also try the latest grsec or PaX patch directly as we've fixed some bugs since
> -r6 or even -r7.

Thanks. But -r6 with pppoe patch from released 2.6.36.3 seems fixed my issue.
 

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