GNU bug report logs - #58334
29.0.50; ASAN heap use after free in gui_produce_glyphs

Previous Next

Package: emacs;

Reported by: Gerd Möllmann <gerd.moellmann <at> gmail.com>

Date: Thu, 6 Oct 2022 15:04:01 UTC

Severity: normal

Found in version 29.0.50

Full log

View this message in rfc822 format

From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 58334 <at> debbugs.gnu.org, luangruo <at> yahoo.com
Subject: bug#58334: 29.0.50; ASAN heap use after free in gui_produce_glyphs
Date: Fri, 7 Oct 2022 14:34:08 +0200

On 22-10-07 14:14 , Eli Zaretskii wrote:
>> int count = inhibit_garbahe_collection ();
>> redisplay ();
>> unbind_to...
> 
> Could be dangerous, unless we also inhibit all the hooks that
> redisplay can call, because who knows what arbitrary Lisp can do to
> memory?  And some of the Lisp called by redisplay can't be easily
> disabled.  Example: the :eval forms in the mode line.

I don't care.  Then let them not write shitty Lisp :-).
This bug report was last modified 2 years and 309 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.