From: Katherine Cox-Buday <cox.katherine.e@gmail.com>
To: zimoun <zimon.toutoune@gmail.com>
Cc: guix-devel@gnu.org, kiasoc5@tutanota.com,
Maxim Cournoyer <maxim.cournoyer@gmail.com>
Subject: Re: Hardened toolchain
Date: Mon, 02 May 2022 09:55:05 -0500 [thread overview]
Message-ID: <878rrkdlx2.fsf@gmail.com> (raw)
In-Reply-To: <87h76ccha7.fsf@gmail.com> (zimoun's message of "Fri, 29 Apr 2022 12:31:28 +0200")
zimoun <zimon.toutoune@gmail.com> writes:
> On Tue, 29 Mar 2022 at 12:15, Ludovic Courtès <ludo@gnu.org> wrote:
>
>> Stack smashing protection (SSP) may incur measurable run-time
>> overhead though so enabling that one by default may be less
>> consensual.
>
> That’s true and it could be an issue for HPC practitioners. However,
> quoting Wikipedia [1], for what it is worth:
>
> All Fedora packages are compiled with -fstack-protector since Fedora
> Core 5, and -fstack-protector-strong since Fedora 20.[19][20] Most
> packages in Ubuntu are compiled with -fstack-protector since 6.10.[21]
> Every Arch Linux package is compiled with -fstack-protector since
> 2011.[22] All Arch Linux packages built since 4 May 2014 use
> -fstack-protector-strong.[23] Stack protection is only used for some
> packages in Debian,[24] and only for the FreeBSD base system since
> 8.0.[25] Stack protection is standard in certain operating systems,
> including OpenBSD,[26] Hardened Gentoo[27] and DragonFly BSD.
For me at least, this is a compelling argument for also defaulting to more secure, but possibly slower, build flags. (Full disclosure: I would personally benefit from the security over performance model of defaults).
But I think we should state our reasons plainly in the documentation, and provide an easy way for those who need performance to "recompile the world".
--
Katherine
next prev parent reply other threads:[~2022-05-02 15:59 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-21 13:34 Hardened toolchain zimoun
[not found] ` <Mymdzxm--3-2@tutanota.com>
2022-03-22 19:06 ` zimoun
2022-03-22 20:02 ` kiasoc5--- via Development of GNU Guix and the GNU System distribution.
2022-03-25 19:39 ` kiasoc5--- via Development of GNU Guix and the GNU System distribution.
2022-03-25 22:54 ` zimoun
2022-03-26 19:33 ` kiasoc5--- via Development of GNU Guix and the GNU System distribution.
2022-03-26 22:02 ` kiasoc5--- via Development of GNU Guix and the GNU System distribution.
2022-03-27 20:06 ` zimoun
2022-03-27 20:22 ` Maxime Devos
2022-03-28 3:17 ` Maxim Cournoyer
2022-03-28 7:35 ` zimoun
2022-03-29 0:02 ` kiasoc5--- via Development of GNU Guix and the GNU System distribution.
2022-03-29 10:15 ` Ludovic Courtès
2022-04-14 18:59 ` kiasoc5--- via Development of GNU Guix and the GNU System distribution.
2022-04-15 15:18 ` jbranso
2022-04-15 16:04 ` Zhu Zihao
2022-04-15 16:34 ` raingloom
2022-04-26 11:07 ` Katherine Cox-Buday
2022-04-28 17:36 ` Aurora
2022-04-28 17:41 ` Katherine Cox-Buday
2022-04-28 19:53 ` Aurora
2022-04-28 17:50 ` Vagrant Cascadian
2022-04-28 19:54 ` Aurora
2022-04-29 10:31 ` zimoun
2022-04-29 15:51 ` kiasoc5--- via Development of GNU Guix and the GNU System distribution.
2022-05-02 14:55 ` Katherine Cox-Buday [this message]
2022-05-02 16:25 ` Maxime Devos
2022-05-02 17:41 ` zimoun
2022-05-02 21:10 ` Maxime Devos
-- strict thread matches above, loose matches on Subject: below --
2022-04-15 20:36 Nathan Dehnel
2022-04-16 3:51 ` raingloom
2022-03-21 4:31 kiasoc5--- via Development of GNU Guix and the GNU System distribution.
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