From: Eli Zaretskii <eliz@gnu.org>
To: Markus Triska <triska@metalevel.at>
Cc: emacs-devel@gnu.org
Subject: Re: Using the GNU GMP Library for Bignums in Emacs
Date: Sat, 21 Apr 2018 20:09:55 +0300 [thread overview]
Message-ID: <83604kxz8c.fsf@gnu.org> (raw)
In-Reply-To: <87k1t05wz4.fsf@metalevel.at> (message from Markus Triska on Sat, 21 Apr 2018 18:46:07 +0200)
> From: Markus Triska <triska@metalevel.at>
> Date: Sat, 21 Apr 2018 18:46:07 +0200
>
> Using GMP has a significant downside if you run out of memory: There’s
> currently no defined way for the allocation functions to recover from an
> error such as out of memory, they must *terminate* program execution.
>
> Please see the following page for details:
>
> https://gmplib.org/manual/Custom-Allocation.html
>
> Thus, situtations where you can currently throw an Emacs error that can
> be handled in user code would instead terminate the Emacs process. This
> can for example arise from malicious input that involves very large
> integers as results (7^7^7^7 etc.), and of course also elsewhere.
>
> Also, it may become hard to stop long GMP calculations, whereas you can
> easily stop computations that are written in Elisp. Thus, long GMP
> calculations may lead to denial of editing attacks.
How are those dangers different from using any other external
library. Like the JSON library, for excample, or libxml2?
next prev parent reply other threads:[~2018-04-21 17:09 UTC|newest]
Thread overview: 281+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-21 14:15 Using the GNU GMP Library for Bignums in Emacs Siraphob (Ben) Phipathananunth
2018-04-21 14:34 ` Eli Zaretskii
2018-04-21 15:01 ` Siraphob (Ben) Phipathananunth
2018-04-21 15:23 ` Paul Eggert
2018-04-21 15:36 ` Eli Zaretskii
2018-04-21 15:40 ` Siraphob (Ben) Phipathananunth
2018-04-21 15:54 ` Eli Zaretskii
2018-04-21 16:08 ` Paul Eggert
2018-04-26 3:17 ` Tom Tromey
2018-04-26 3:33 ` Stefan Monnier
2018-04-27 15:56 ` Richard Stallman
2018-04-27 16:08 ` Stefan Monnier
2018-04-21 22:42 ` Richard Stallman
2018-04-22 2:48 ` dancol
2018-04-22 13:00 ` Philipp Stephani
2018-04-22 17:43 ` Paul Eggert
2018-04-22 18:04 ` Daniel Colascione
2018-04-22 18:34 ` Clément Pit-Claudel
2018-04-23 3:39 ` Richard Stallman
2018-04-22 8:00 ` Siraphob (Ben) Phipathananunth
2018-04-22 9:06 ` Paul Eggert
2018-04-23 5:19 ` Helmut Eller
2018-04-23 8:39 ` Andreas Schwab
2018-04-23 14:36 ` Paul Eggert
2018-04-23 19:22 ` Helmut Eller
2018-04-23 20:26 ` Paul Eggert
2018-04-23 3:36 ` Richard Stallman
2018-04-22 12:43 ` Helmut Eller
2018-04-22 17:47 ` Paul Eggert
2018-04-23 3:39 ` Richard Stallman
2018-04-23 4:41 ` Paul Eggert
2018-04-24 2:54 ` Richard Stallman
2018-04-24 4:35 ` Paul Eggert
2018-04-24 5:45 ` Helmut Eller
2018-06-03 23:44 ` Jefferson Carpenter
2018-04-25 1:05 ` Richard Stallman
2018-04-25 1:19 ` Paul Eggert
2018-04-25 22:40 ` Richard Stallman
2018-04-25 23:29 ` Paul Eggert
2018-04-30 3:07 ` Richard Stallman
2018-04-30 5:00 ` Michael Welsh Duggan
2018-04-30 12:34 ` Stefan Monnier
2018-05-01 3:01 ` Richard Stallman
2018-04-30 7:04 ` Paul Eggert
2018-05-01 3:01 ` Richard Stallman
2018-05-01 21:45 ` Paul Eggert
2018-05-03 3:34 ` Richard Stallman
2018-05-03 5:53 ` Paul Eggert
2018-05-03 6:26 ` Helmut Eller
2018-05-03 17:49 ` Eli Zaretskii
2018-05-03 18:26 ` Paul Eggert
2018-05-04 4:26 ` Richard Stallman
2018-05-05 5:03 ` Ken Raeburn
2018-05-06 3:12 ` Richard Stallman
2018-05-07 17:24 ` Ken Raeburn
2018-05-08 1:55 ` Richard Stallman
2018-05-07 18:40 ` Andreas Schwab
2018-05-03 18:51 ` Helmut Eller
[not found] ` <83sh78o6af.fsf@gnu.org>
2018-05-03 20:30 ` Helmut Eller
2018-05-03 21:48 ` Paul Eggert
2018-05-04 4:22 ` Richard Stallman
2018-04-24 2:54 ` Richard Stallman
2018-04-23 3:03 ` Stefan Monnier
2018-07-05 21:29 ` Tom Tromey
2018-07-05 21:53 ` John Wiegley
2018-07-06 20:43 ` Tom Tromey
2018-07-06 21:00 ` Paul Eggert
2018-07-07 4:27 ` Tom Tromey
2018-07-07 4:53 ` Paul Eggert
2018-07-07 6:20 ` Tom Tromey
2018-07-07 6:38 ` Paul Eggert
2018-07-09 5:37 ` Tom Tromey
2018-07-09 16:22 ` Paul Eggert
2018-07-09 22:56 ` Tom Tromey
2018-07-09 23:02 ` Paul Eggert
2018-07-09 23:13 ` Tom Tromey
2018-07-10 4:01 ` Tom Tromey
2018-07-10 13:46 ` Tom Tromey
2018-07-08 15:59 ` Tom Tromey
2018-07-09 5:43 ` Tom Tromey
2018-07-10 4:10 ` Stefan Monnier
2018-07-07 23:43 ` Richard Stallman
2018-07-08 4:58 ` Paul Eggert
2018-07-08 22:55 ` Richard Stallman
2018-07-08 5:01 ` Tom Tromey
2018-07-08 22:55 ` Richard Stallman
2018-07-09 5:39 ` Tom Tromey
2018-07-09 20:15 ` Stefan Monnier
2018-07-09 23:25 ` Paul Eggert
2018-07-10 3:41 ` Stefan Monnier
2018-07-10 5:32 ` Helmut Eller
2018-07-10 13:54 ` Stefan Monnier
2018-07-10 16:01 ` Paul Eggert
2018-07-10 16:48 ` Helmut Eller
2018-07-10 17:45 ` Paul Eggert
2018-07-10 19:14 ` Helmut Eller
2018-07-11 1:31 ` Stefan Monnier
2018-07-11 5:59 ` Helmut Eller
2018-07-11 14:23 ` Stefan Monnier
2018-07-11 2:04 ` Tom Tromey
2018-07-11 2:36 ` Paul Eggert
2018-07-10 20:33 ` Stefan Monnier
2018-07-11 1:52 ` Tom Tromey
2018-07-11 2:35 ` Paul Eggert
2018-07-11 3:16 ` Stefan Monnier
2018-07-11 3:30 ` Paul Eggert
2018-07-11 3:42 ` Stefan Monnier
2018-07-11 22:48 ` Richard Stallman
2018-07-12 4:51 ` Tom Tromey
2018-07-12 23:35 ` Richard Stallman
2018-07-15 15:02 ` Stefan Monnier
2018-07-18 10:20 ` Paul Eggert
2018-07-18 13:17 ` Stefan Monnier
2018-07-27 21:14 ` Making 'eq' == 'eql' in bignum branch Paul Eggert
2018-07-28 14:26 ` Stefan Monnier
2018-07-29 3:34 ` Paul Eggert
2018-07-29 4:09 ` Stefan Monnier
2018-07-29 14:35 ` Eli Zaretskii
2018-07-30 17:07 ` Stefan Monnier
2018-07-30 18:49 ` Eli Zaretskii
2018-07-30 20:10 ` Stefan Monnier
2018-07-30 21:58 ` Paul Eggert
2018-07-31 2:38 ` Eli Zaretskii
2018-07-31 7:10 ` Paul Eggert
2018-07-31 16:12 ` Eli Zaretskii
2018-07-31 22:44 ` Paul Eggert
2018-08-01 5:51 ` Eli Zaretskii
2018-08-01 6:43 ` Paul Eggert
2018-08-01 8:53 ` Eli Zaretskii
2018-08-03 7:40 ` Paul Eggert
2018-08-03 7:55 ` Eli Zaretskii
2018-08-10 11:12 ` Pip Cet
2018-08-10 15:15 ` Stefan Monnier
2018-08-10 15:43 ` Pip Cet
2018-08-10 15:55 ` Stefan Monnier
2018-08-10 16:52 ` John Yates
2018-08-10 19:45 ` Eli Zaretskii
2018-08-10 20:48 ` Paul Eggert
2018-08-10 7:05 ` Elias Mårtenson
2018-08-10 8:02 ` Paul Eggert
[not found] ` <<83d0v4p1si.fsf@gnu.org>
2018-07-31 15:08 ` Drew Adams
2018-07-31 16:24 ` Eli Zaretskii
2018-07-31 22:21 ` Paul Eggert
2018-08-20 0:04 ` Stefan Monnier
2018-08-20 1:33 ` Paul Eggert
2018-08-20 15:20 ` Stefan Monnier
2018-08-20 6:35 ` Pip Cet
2018-08-20 7:05 ` Paul Eggert
2018-08-20 7:19 ` Pip Cet
2018-08-20 7:27 ` Paul Eggert
2018-08-20 8:49 ` Andy Moreton
2018-08-20 16:03 ` Paul Eggert
2018-08-20 16:41 ` Andy Moreton
2018-08-20 16:51 ` Paul Eggert
2018-08-20 16:58 ` Andy Moreton
2018-08-20 19:50 ` Pip Cet
2018-08-20 21:54 ` Andy Moreton
2018-08-21 3:38 ` Richard Stallman
2018-08-20 17:23 ` Eli Zaretskii
2018-08-20 17:35 ` Paul Eggert
2018-08-20 15:13 ` Eli Zaretskii
2018-08-20 15:26 ` Stefan Monnier
2018-08-20 16:19 ` Eli Zaretskii
2018-08-21 15:01 ` Robert Pluim
2018-08-21 19:09 ` Robert Pluim
2018-08-21 19:35 ` Paul Eggert
2018-08-22 8:26 ` Lars Ingebrigtsen
2018-08-22 13:22 ` Herring, Davis
2018-08-22 13:28 ` Lars Ingebrigtsen
2018-08-22 13:55 ` Paul Eggert
2018-08-22 20:01 ` Stefan Monnier
2018-08-23 8:13 ` Robert Pluim
2018-08-23 13:45 ` Eli Zaretskii
2018-08-23 14:48 ` Robert Pluim
2018-08-23 18:43 ` Stefan Monnier
2018-08-24 9:51 ` Robert Pluim
2018-08-25 17:59 ` Stefan Monnier
2018-08-20 16:01 ` Paul Eggert
2018-08-20 16:26 ` Eli Zaretskii
2018-08-21 3:37 ` Richard Stallman
2018-08-20 15:12 ` Eli Zaretskii
2018-08-20 15:26 ` Lars Ingebrigtsen
2018-08-20 16:18 ` Eli Zaretskii
2018-08-22 19:59 ` Stefan Monnier
2018-08-21 3:38 ` Richard Stallman
2018-08-25 23:27 ` Paul Eggert
2018-08-26 12:45 ` Tramp and fixnum (was: Making 'eq' == 'eql' in bignum branch) Michael Albinus
2018-08-26 15:34 ` Paul Eggert
2018-08-26 16:06 ` Eli Zaretskii
2018-08-26 16:44 ` Tramp and fixnum Michael Albinus
2018-08-28 4:47 ` Tramp and fixnum (was: Making 'eq' == 'eql' in bignum branch) Paul Eggert
2018-08-26 16:49 ` Tramp and fixnum Michael Albinus
2018-08-28 4:48 ` Paul Eggert
2018-08-28 11:50 ` Michael Albinus
2018-08-28 14:33 ` Michael Albinus
2018-08-28 15:18 ` Paul Eggert
2018-08-29 8:09 ` Michael Albinus
2018-08-26 16:34 ` Making 'eq' == 'eql' in bignum branch Tom Tromey
2018-08-26 16:59 ` Stefan Monnier
2018-08-26 20:19 ` Alan Mackenzie
2018-08-26 20:31 ` Stefan Monnier
2018-08-27 2:31 ` Eli Zaretskii
2018-08-27 4:45 ` Stefan Monnier
2018-08-27 5:10 ` Paul Eggert
2018-08-27 14:59 ` Eli Zaretskii
2018-08-27 15:18 ` Stefan Monnier
2018-08-27 15:37 ` Eli Zaretskii
2018-08-27 15:47 ` Stefan Monnier
2018-08-27 18:57 ` Paul Eggert
2018-08-26 20:45 ` Richard Stallman
2018-08-26 22:10 ` Clément Pit-Claudel
2018-08-27 0:23 ` Paul Eggert
2018-08-27 22:50 ` Richard Stallman
2018-08-28 1:44 ` Paul Eggert
2018-08-28 14:12 ` Tom Tromey
2018-08-28 21:30 ` Richard Stallman
2018-08-28 22:03 ` Clément Pit-Claudel
2018-08-29 22:10 ` Richard Stallman
2018-08-28 18:03 ` Clément Pit-Claudel
2018-08-29 3:53 ` Stefan Monnier
2018-08-29 18:49 ` Clément Pit-Claudel
2018-08-28 1:33 ` Lars Ingebrigtsen
2018-08-28 2:25 ` Pip Cet
2018-08-28 3:45 ` Paul Eggert
2018-08-28 7:34 ` Ken Raeburn
2018-08-28 9:11 ` Helmut Eller
2018-08-28 12:15 ` Stefan Monnier
2018-08-28 18:00 ` Clément Pit-Claudel
2018-08-28 22:57 ` Pip Cet
2018-08-29 3:42 ` Herring, Davis
2018-08-29 5:40 ` Helmut Eller
2018-08-29 13:15 ` Pip Cet
2018-08-31 19:59 ` Alan Mackenzie
2018-08-31 20:30 ` Clément Pit-Claudel
2018-08-31 21:58 ` Alan Mackenzie
2018-09-01 1:26 ` Herring, Davis
2018-08-31 21:15 ` Stefan Monnier
2018-09-01 1:05 ` Herring, Davis
2018-09-02 10:57 ` Alan Mackenzie
2018-09-04 6:14 ` Herring, Davis
2018-09-01 4:47 ` Clément Pit-Claudel
2018-08-29 3:22 ` Elias Mårtenson
2018-08-29 18:56 ` Clément Pit-Claudel
2018-08-29 19:30 ` Stefan Monnier
2018-08-31 0:09 ` Stefan Monnier
2018-09-01 2:32 ` Richard Stallman
2018-08-31 16:41 ` Paul Eggert
2018-08-28 21:25 ` Richard Stallman
2018-08-30 19:13 ` Johan Bockgård
2018-08-30 21:14 ` Clément Pit-Claudel
2018-08-30 21:35 ` Tom Tromey
2018-08-30 21:56 ` Clément Pit-Claudel
2018-08-20 15:37 ` Stefan Monnier
2018-08-20 16:23 ` Eli Zaretskii
2018-08-20 16:12 ` Paul Eggert
2018-08-20 17:21 ` Helmut Eller
2018-08-20 14:02 ` Stefan Monnier
2018-07-18 15:55 ` Using the GNU GMP Library for Bignums in Emacs Eli Zaretskii
2018-07-18 21:42 ` Paul Eggert
2018-07-22 12:06 ` Ken Raeburn
2018-07-22 16:44 ` Paul Eggert
2018-08-01 7:57 ` Paul Eggert
2018-08-01 11:59 ` Eli Zaretskii
2018-08-02 2:06 ` Paul Eggert
2018-08-02 13:49 ` Eli Zaretskii
2018-07-22 19:57 ` Achim Gratz
2018-04-21 16:46 ` Markus Triska
2018-04-21 17:09 ` Eli Zaretskii [this message]
2018-04-21 17:27 ` Markus Triska
2018-04-21 18:37 ` Paul Eggert
2018-04-21 22:42 ` Richard Stallman
2018-04-22 2:43 ` Eli Zaretskii
2018-04-23 3:34 ` Richard Stallman
2018-04-23 4:21 ` Paul Eggert
2018-04-23 13:13 ` Stefan Monnier
2018-04-24 2:54 ` Richard Stallman
2018-04-24 4:34 ` Paul Eggert
2018-04-25 1:05 ` Richard Stallman
2018-04-23 15:18 ` Eli Zaretskii
2018-04-24 18:56 ` Emanuele Santoro
2018-04-26 15:52 ` Glenn Morris
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