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From: "Gerd Möllmann" <gerd.moellmann@gmail.com>
To: Po Lu <luangruo@yahoo.com>
Cc: 58334@debbugs.gnu.org, Eli Zaretskii <eliz@gnu.org>
Subject: bug#58334: 29.0.50; ASAN heap use after free in gui_produce_glyphs
Date: Fri, 07 Oct 2022 07:06:31 +0200	[thread overview]
Message-ID: <m2mta89q94.fsf@Mini.fritz.box> (raw)
In-Reply-To: <87r0zkqxjb.fsf@yahoo.com> (Po Lu's message of "Fri, 07 Oct 2022 08:37:12 +0800")

Po Lu <luangruo@yahoo.com> writes:

> Gerd Möllmann <gerd.moellmann@gmail.com> writes:
>
>> Po Lu, is this also something for Haiku?
>
> Haiku calls Lisp in internal hooks (via safe_call) in
> gui_produce_glyphs.  It does not call redisplay itself in input
> callbacks during normal exxecution.
>
> An exception is made when control over user input is transferred to
> another GUI thread as part of a popup or dialog.  xselect.c and xmenu.c
> do pretty much the same thing.

So it can call redisplay in some cases, and we have to protect against
it?





  reply	other threads:[~2022-10-07  5:06 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-10-06 15:03 bug#58334: 29.0.50; ASAN heap use after free in gui_produce_glyphs Gerd Möllmann
2022-10-06 16:00 ` Eli Zaretskii
2022-10-06 18:01   ` Gerd Möllmann
2022-10-06 18:30     ` Eli Zaretskii
2022-10-06 18:36       ` Gerd Möllmann
2022-10-07 12:01         ` Eli Zaretskii
2022-10-07 12:03           ` Gerd Möllmann
2022-10-07 12:06             ` Eli Zaretskii
2022-10-07 12:08               ` Gerd Möllmann
2022-10-07 12:12                 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 12:16                   ` Eli Zaretskii
2022-10-07 12:23                     ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 12:14                 ` Eli Zaretskii
2022-10-07 12:34                   ` Gerd Möllmann
2022-10-07  0:37     ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07  5:06       ` Gerd Möllmann [this message]
2022-10-07  7:12         ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07  7:20           ` Gerd Möllmann
2022-10-07  0:46 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07  5:23   ` Gerd Möllmann
2022-10-07  7:03   ` Eli Zaretskii
2022-10-07  7:20     ` Gerd Möllmann
2022-10-07  8:07       ` Gerd Möllmann
2022-10-07  8:36         ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07  8:54           ` Gerd Möllmann
2022-10-07 10:28             ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 11:11               ` Gerd Möllmann
2022-10-07 11:19                 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 11:34                   ` Eli Zaretskii
2022-10-07 11:38                   ` Gerd Möllmann
2022-10-07 11:29               ` Eli Zaretskii
2022-10-07 12:16                 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 12:27                   ` Eli Zaretskii
2022-10-07 11:19             ` Eli Zaretskii
2022-10-07 11:34               ` Gerd Möllmann
2022-10-07 11:13           ` Eli Zaretskii
2022-10-07 11:08         ` Eli Zaretskii
2022-10-07 11:29           ` Gerd Möllmann
2022-10-07 11:44             ` Eli Zaretskii
2022-10-07 12:01               ` Gerd Möllmann
2022-10-07 12:05                 ` Eli Zaretskii
2022-10-07 12:14                 ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 12:17                   ` Gerd Möllmann
2022-10-07 12:22                     ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2022-10-07 12:36                       ` Gerd Möllmann
2022-10-08  6:58 ` Gerd Möllmann
2022-10-08  7:59   ` Eli Zaretskii

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