From: Eli Zaretskii <eliz@gnu.org>
To: Philip Kaludercic <philipk@posteo.net>
Cc: michael_heerdegen@web.de, mail@daniel-mendler.de,
monnier@iro.umontreal.ca, 62009@debbugs.gnu.org
Subject: bug#62009: 29.0.60; Emacs crashes on setf symbol-name
Date: Fri, 10 Mar 2023 09:11:05 +0200 [thread overview]
Message-ID: <83a60l13p2.fsf@gnu.org> (raw)
In-Reply-To: <87v8j9zl3i.fsf@posteo.net> (message from Philip Kaludercic on Thu, 09 Mar 2023 21:11:13 +0000)
> From: Philip Kaludercic <philipk@posteo.net>
> Cc: Daniel Mendler <mail@daniel-mendler.de>, michael_heerdegen@web.de,
> monnier@iro.umontreal.ca, 62009@debbugs.gnu.org
> Date: Thu, 09 Mar 2023 21:11:13 +0000
>
> > AFAICT, they _are_ frozen. These names are in read-only memory, where
> > you cannot write. That's why Emacs crashes, AFAIU: the code is trying
> > to write to protected memory.
> >
> > Just don't do that, cause it's gonna hurt...
>
> Is it not possible to detect this before the illegal memory access, and
> raise a signal in Emacs Lisp?
It won't be easy, if at all possible. And I'm not sure we even want
to do that. What would be the purpose of supporting such a use of
Emacs?
next prev parent reply other threads:[~2023-03-10 7:11 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-06 19:26 bug#62009: 29.0.60; Emacs crashes on setf symbol-name Daniel Mendler
2023-03-07 4:40 ` Ruijie Yu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-03-07 15:45 ` Michael Heerdegen
2023-03-07 17:08 ` Daniel Mendler
2023-03-07 17:39 ` Eli Zaretskii
2023-03-09 21:11 ` Philip Kaludercic
2023-03-10 7:11 ` Eli Zaretskii [this message]
2023-03-10 8:45 ` Augusto Stoffel
2023-03-10 8:47 ` Augusto Stoffel
2023-03-10 11:50 ` Eli Zaretskii
2023-03-10 12:00 ` Daniel Mendler
2023-03-10 12:35 ` Eli Zaretskii
2023-03-10 12:45 ` Daniel Mendler
2023-03-10 12:57 ` Eli Zaretskii
2023-03-10 13:08 ` Daniel Mendler
2023-03-10 15:02 ` Eli Zaretskii
2023-03-11 15:16 ` Gregory Heytings
2023-03-11 15:37 ` Eli Zaretskii
2023-03-18 22:46 ` Gregory Heytings
2023-03-19 6:03 ` Eli Zaretskii
2023-03-19 21:20 ` Gregory Heytings
2023-03-10 11:49 ` Eli Zaretskii
2023-03-10 9:40 ` Gregory Heytings
2023-03-10 10:31 ` Daniel Mendler
2023-03-10 10:59 ` Gregory Heytings
2023-03-10 11:09 ` Daniel Mendler
2023-03-10 11:23 ` Augusto Stoffel
2023-03-10 12:09 ` Eli Zaretskii
2023-03-10 11:30 ` Robert Pluim
2023-03-10 11:36 ` Daniel Mendler
2023-03-10 12:13 ` Eli Zaretskii
2023-03-10 12:24 ` Daniel Mendler
2023-03-10 22:01 ` Dmitry Gutov
2023-03-10 11:57 ` Gregory Heytings
2023-03-10 12:12 ` Eli Zaretskii
2023-03-10 13:19 ` Robert Pluim
2023-03-11 7:07 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-03-13 8:07 ` Robert Pluim
2023-03-13 8:28 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-03-13 11:47 ` Eli Zaretskii
2023-03-13 11:50 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-03-13 11:46 ` Eli Zaretskii
2023-03-10 11:59 ` Eli Zaretskii
2023-03-10 11:53 ` Eli Zaretskii
2023-03-10 11:59 ` Gregory Heytings
2023-03-11 7:07 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2023-03-11 7:47 ` Eli Zaretskii
2023-03-10 18:56 ` Philip Kaludercic
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