From: Paul Eggert <eggert@cs.ucla.edu>
To: Sam James <sam@gentoo.org>
Cc: noloader@gmail.com, Paul Koning <paulkoning@comcast.net>,
Jonathon Anderson <anderson.jonathonm@gmail.com>,
Andreas Schwab <schwab@linux-m68k.org>,
Michael Matz <matz@suse.de>, Martin Uecker <uecker@tugraz.at>,
Ian Lance Taylor <iant@golang.org>,
Sandra Loosemore <sloosemore@baylibre.com>,
Mark Wielaard <mark@klomp.org>,
overseers@sourceware.org, gcc@gcc.gnu.org,
binutils@sourceware.org, gdb@sourceware.org,
libc-alpha@sourceware.org
Subject: Re: Sourceware mitigating and preventing the next xz-backdoor
Date: Tue, 9 Apr 2024 15:53:57 -0700 [thread overview]
Message-ID: <695a04c9-b729-4034-8e0e-1ae3fe1e8b7c@cs.ucla.edu> (raw)
In-Reply-To: <87zfu2w508.fsf@gentoo.org>
On 4/9/24 15:22, Sam James wrote:
> Paul Eggert <eggert@cs.ucla.edu> writes:
>
>> On 4/9/24 14:58, Sam James wrote:
>>> Meson doesn't allow user-defined functions
>> Meson has ways to execute arbitrary user-defined code, so it's not
>> immune to this sort of exploit.
> To be clear - not saying it's immune.
Sure, but someone who's not expert in Meson could easily misread "Meson
doesn't allow user-defined functions" and think that this means Meson is
immune to an xz-style attack, which it's not.
> Just that it scopes the
> user-defined code part to clearly defined sections.
As does Autoconf. To a determined attacker I daresay there's not much
difference.
> I think it makes sense to optimise for ease of review.
Ease of review definitely a good thing, all other things being equal.
> It's just easy to go too far the other
> way too and not change anything
I'm certainly not advocating that! All I'm saying is that we should use
our limited development resources wisely.
next prev parent reply other threads:[~2024-04-09 22:53 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-29 20:39 Security warning about xz library compromise Mark Wielaard
2024-04-01 15:06 ` Sourceware mitigating and preventing the next xz-backdoor Mark Wielaard
2024-04-02 19:54 ` Sandra Loosemore
2024-04-02 20:03 ` Paul Eggert
2024-04-02 20:20 ` Paul Koning
2024-04-02 20:28 ` Ian Lance Taylor
2024-04-03 6:26 ` Martin Uecker
2024-04-03 14:00 ` Michael Matz
2024-04-03 14:14 ` Paul Koning
2024-04-03 14:32 ` Martin Uecker
2024-04-03 14:46 ` Jeffrey Walton
2024-04-03 16:02 ` Michael Matz
2024-04-03 16:26 ` Joel Sherrill
2024-04-03 16:32 ` Martin Uecker
2024-04-03 16:51 ` Andreas Schwab
2024-04-03 16:56 ` Jonathan Wakely
2024-04-03 18:46 ` Jonathon Anderson
2024-04-03 19:01 ` Martin Uecker
2024-04-05 21:15 ` Andrew Sutton
2024-04-06 13:00 ` Richard Biener
2024-04-06 15:59 ` Martin Uecker
2024-04-04 13:59 ` Michael Matz
2024-04-09 16:44 ` anderson.jonathonm
2024-04-09 17:57 ` Andreas Schwab
2024-04-09 19:59 ` Jonathon Anderson
2024-04-09 20:11 ` Paul Koning
2024-04-09 21:40 ` Jeffrey Walton
2024-04-09 21:50 ` Paul Eggert
2024-04-09 21:58 ` Sam James
2024-04-09 22:15 ` Paul Eggert
2024-04-09 22:22 ` Sam James
2024-04-09 22:53 ` Paul Eggert [this message]
2024-04-09 22:03 ` Jonathon Anderson
2024-04-09 22:10 ` Sam James
2024-04-09 21:54 ` Jonathon Anderson
2024-04-09 22:00 ` Sam James
2024-04-10 14:09 ` Frank Ch. Eigler
2024-04-10 18:47 ` Jonathon Anderson
2024-04-10 19:00 ` Frank Ch. Eigler
2024-04-10 10:26 ` Claudio Bantaloukas
2024-04-02 22:08 ` Guinevere Larsen
2024-04-02 22:21 ` Guinevere Larsen
2024-04-02 22:50 ` Jeffrey Walton
2024-04-02 23:20 ` Mark Wielaard
2024-04-02 23:34 ` Paul Koning
2024-04-03 0:37 ` Jeffrey Walton
2024-04-03 8:08 ` Florian Weimer
2024-04-03 13:53 ` Joel Sherrill
2024-04-04 10:25 ` Mark Wielaard
2024-04-10 16:30 ` Alejandro Colomar
2024-04-21 15:30 ` Mark Wielaard
2024-04-21 20:40 ` Alejandro Colomar
2024-04-21 20:52 ` Alejandro Colomar
2024-04-30 11:28 ` Alejandro Colomar
2024-04-03 14:04 ` Tom Tromey
2024-04-03 14:42 ` Jeff Law
2024-04-04 10:48 ` Mark Wielaard
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