linux-kernel - Re: StackProtector Oopses

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Date:	Sat, 19 Apr 2008 00:41:07 +1000
From:	Reuben Farrelly <reuben-linuxkernel@...b.net>
To:	Arjan van de Ven <arjan@...radead.org>
CC:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: StackProtector Oopses - Re: 2.6.25-mm1



On 18/04/2008 11:51 PM, Arjan van de Ven wrote:
> On Fri, 18 Apr 2008 15:36:45 +0200
> Ingo Molnar <mingo@...e.hu> wrote:
> 
>> * Reuben Farrelly <reuben-linuxkernel@...b.net> wrote:
>>
>>> is enough to prevent my system booting, viz:
>> hm, does it boot up fine with the attached patch and stackprotector 
>> enabled? It appears that your system got to the self-test so 
>> stackprotector is working mostly - it's just that the self-test went 
>> wrong.
>>
> 
> yes it'll be interesting to see if this is due to the test triggering or due to
> something else.
> 
> Reuben:
> I assume your gcc is pretty vanilla and doesn't have weird patches in this area?

I think so.  Well, put it this way... I haven't made any changes to it, this is 
the standard/current gcc that has been in Gentoo Portage for the last while.

 > Can you do a (with the test enabled in the config/code) do a
 > make kernel/panic.s
 > and send me that file? (this allows me to see what code your gcc generated 
for the test)

Done - posted up in the web directory along with the other files (saves the 
possible grief of MUA mangling).

I'm about to reboot to try Ingo's test also.

Reuben

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