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Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to fix a race
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From: Luming Yu
Subject:
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to fix a race
Date: Monday, May 26, 2008 - 11:34 pm
On Tue, May 27, 2008 at 2:12 PM, Roland McGrath <roland@redhat.com> wrote:
quoted text
>> [<a00000010000a9f0>] skip_rbs_switch+0xe0/0x110 >> sp=e000000141c9fe30 bsp=e000000141c90cf8 >> [<a000000000010740>] __kernel_syscall_via_break+0x0/0x20 >> sp=e000000141ca0000 bsp=e000000141c90cf8 >> [<a0000001000971c0>] ptrace_stop+0xa0/0x3e0 >> sp=e00000014716fdb0 bsp=e000000147160ca8 >> [<a000000100097650>] ptrace_notify+0x150/0x1c0 >> sp=e00000014716fdb0 bsp=e000000147160c88 > > If this is a backtrace of a single thread on the same kernel stack, it has > a stack depth of over 84MB. You still need to follow the path inside
you are right, I just find outputs of two different thread are mixed! Please just ignore the call trace above.. --
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Messages in current thread:
[RFC PATCH] set TASK_TRACED before arch_ptrace code to fix ...
, Luming Yu
, (Wed May 21, 7:47 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Petr Tesarik
, (Thu May 22, 1:47 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Thu May 22, 2:16 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Roland McGrath
, (Thu May 22, 4:18 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Petr Tesarik
, (Thu May 22, 5:12 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Thu May 22, 6:24 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Roland McGrath
, (Thu May 22, 1:34 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Roland McGrath
, (Thu May 22, 1:39 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Thu May 22, 8:42 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Roland McGrath
, (Thu May 22, 9:19 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Thu May 22, 10:24 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Fri May 23, 5:33 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Roland McGrath
, (Sun May 25, 5:15 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Sun May 25, 6:30 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Mon May 26, 8:31 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Roland McGrath
, (Mon May 26, 9:04 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Mon May 26, 10:49 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Roland McGrath
, (Mon May 26, 11:12 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Petr Tesarik
, (Mon May 26, 11:25 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Mon May 26, 11:34 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Tue May 27, 1:48 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Wed May 28, 2:14 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Roland McGrath
, (Fri May 30, 1:05 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Mon Jun 2, 11:02 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Mon Jun 2, 11:04 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Petr Tesarik
, (Tue Jun 3, 2:01 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Petr Tesarik
, (Tue Jun 3, 7:32 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Roland McGrath
, (Tue Jun 3, 2:01 pm)
RE: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luck, Tony
, (Tue Jun 3, 2:31 pm)
RE: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Roland McGrath
, (Tue Jun 3, 3:13 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Tue Jun 3, 7:16 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Petr Tesarik
, (Wed Jun 4, 2:16 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Wed Jun 4, 6:49 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Petr Tesarik
, (Thu Jun 5, 4:16 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Roland McGrath
, (Thu Jun 5, 5:07 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Tue Jun 10, 1:23 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Mon Sep 8, 8:06 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Roland McGrath
, (Tue Sep 9, 10:55 pm)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Tue Sep 16, 1:50 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Roland McGrath
, (Wed Sep 17, 10:01 am)
Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to ...
, Luming Yu
, (Wed Sep 17, 10:44 pm)
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