Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to fix a race | KernelTrap

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to fix a race

view
thread

!MAILaRCHIVE_VOTE_RePLACE

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

[view in full thread]

From: Luming Yu <luming.yu@...>

To: Petr Tesarik <ptesarik@...>

Cc: Roland McGrath <roland@...>, LKML <linux-kernel@...>, <linux-ia64@...>

Subject: Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to fix a race

Date: Tuesday, June 3, 2008 - 2:04 am

On Tue, May 27, 2008 at 2:25 PM, Petr Tesarik <ptesarik@suse.cz> wrote:
quoted text> On Mon, 2008-05-26 at 23:12 -0700, Roland McGrath wrote:
>> >  [<a00000010000a9f0>] skip_rbs_switch+0xe0/0x110
>> >                                 sp=e000000141c9fe30 bsp=e000000141c90cf8
>> >  [<a000000000010740>] __kernel_syscall_via_break+0x0/0x20
>> >                                 sp=e000000141ca0000 bsp=e000000141c90cf8
>
> Indeed, there seems to be a large hole here. So, this is either a bug in
> the unwinder, or a bug in the RBS synchronization, which causes
> corruption. My test machine currently needs some work to run 2.6.25
> again, but I'll try your test case as soon as I re-install it later this
> week.

Just want to check if the test case works for you?
--
unsubscribe noticeTo unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

[RFC PATCH] set TASK_TRACED before arch_ptrace code to fix a..., Luming Yu, (Wed May 21, 10:47 pm)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Petr Tesarik, (Thu May 22, 4:47 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Thu May 22, 5:16 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Roland McGrath, (Thu May 22, 7:18 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Thu May 22, 9:24 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Roland McGrath, (Thu May 22, 4:34 pm)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Thu May 22, 11:42 pm)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Roland McGrath, (Fri May 23, 12:19 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Fri May 23, 1:24 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Roland McGrath, (Sun May 25, 8:15 pm)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Sun May 25, 9:30 pm)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Mon May 26, 11:31 pm)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Roland McGrath, (Tue May 27, 12:04 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Tue May 27, 1:49 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Roland McGrath, (Tue May 27, 2:12 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Tue May 27, 4:48 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Roland McGrath, (Fri May 30, 4:05 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Wed May 28, 5:14 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Tue Jun 3, 2:02 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Tue May 27, 2:34 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Petr Tesarik, (Tue May 27, 2:25 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Tue Jun 3, 2:04 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Petr Tesarik, (Tue Jun 3, 5:01 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Petr Tesarik, (Tue Jun 3, 10:32 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Tue Jun 3, 10:16 pm)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Petr Tesarik, (Wed Jun 4, 5:16 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Wed Jun 4, 9:49 pm)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Petr Tesarik, (Thu Jun 5, 7:16 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Roland McGrath, (Thu Jun 5, 8:07 pm)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Mon Sep 8, 11:06 pm)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Roland McGrath, (Wed Sep 10, 1:55 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Tue Sep 16, 4:50 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Roland McGrath, (Wed Sep 17, 1:01 pm)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Thu Sep 18, 1:44 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Roland McGrath, (Tue Jun 3, 5:01 pm)

RE: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luck, Tony, (Tue Jun 3, 5:31 pm)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Tue Jun 10, 4:23 am)

RE: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Roland McGrath, (Tue Jun 3, 6:13 pm)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Petr Tesarik, (Thu May 22, 8:12 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Luming Yu, (Fri May 23, 8:33 am)

Re: [RFC PATCH] set TASK_TRACED before arch_ptrace code to f..., Roland McGrath, (Thu May 22, 4:39 pm)

Navigation

Popular discussions


linux-kernel:
Greg KH	[GIT PATCH] driver core patches against 2.6.24
Tarkan Erimer	Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
Amit K. Arora	[RFC] Heads up on sys_fallocate()
Chuck Ebbert	Why do so many machines need "noapic"?
git:

linux-netdev:
Jarek Poplawski	[PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
David Miller	[GIT]: Networking
Gerrit Renker	[PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side)
Natalie Protasevich	[BUG] New Kernel Bugs
openbsd-misc:

Colocation donated by:

Who's online

There are currently 0 users and 432 guests online.

Syndicate