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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