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Date:      Sun, 22 Sep 2013 11:47:28 -0400
From:      Eitan Adler <lists@eitanadler.com>
To:        Konstantin Tokarev <annulen@yandex.ru>
Cc:        Nathan Whitehorn <nwhitehorn@freebsd.org>, "freebsd-ports@freebsd.org" <freebsd-ports@freebsd.org>, Bryan Drewery <bdrewery@freebsd.org>
Subject:   Re: [CFT/HEADSUP] Ports now have Stack Protector support
Message-ID:  <CAF6rxgmz3cPmsX_C695%2Bc5U3xvw4CziwcsDHrSqm2tF3Lr_6pg@mail.gmail.com>
In-Reply-To: <348841379858514@web22j.yandex.ru>
References:  <523D792D.3060704@FreeBSD.org> <523DA68B.1020905@freebsd.org> <523DA8B1.8090303@FreeBSD.org> <523DAC7F.9080808@freebsd.org> <348841379858514@web22j.yandex.ru>

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On Sun, Sep 22, 2013 at 10:01 AM, Konstantin Tokarev <annulen@yandex.ru> wrote:
>
>
> 21.09.2013, 18:26, "Nathan Whitehorn" <nwhitehorn@freebsd.org>:
>> On 09/21/13 09:09, Bryan Drewery wrote:
>>
>>>  On 9/21/2013 9:00 AM, Nathan Whitehorn wrote:
>>>>  On 09/21/13 05:47, Bryan Drewery wrote:
>>>>>  Ports now support enabling Stack Protector [1] support on FreeBSD 10
>>>>>  i386 and amd64, and older releases on amd64 only currently.
>>>>  Why only those architectures?
>>>>  -Nathan
>>>  I was only able to test on amd64 and i386. And that took 37 exp-runs
>>>  over a month.
>>>
>>>  See commit and CHANGES for more discussion on why not i386 on <10:
>>>
>>>  http://svnweb.freebsd.org/ports?view=revision&revision=327697
>>
>> OK. If I set this on powerpc anyway, will it turn on? I'm happy to
>> (slowly) test it there.
>
> AFAIU, it's pointless to use stack protector on ppc because stack smashing
> attacks are just impossible here.

Could you explain why?

-- 
Eitan Adler



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