From: Eli Zaretskii <eliz@gnu.org>
To: Po Lu <luangruo@yahoo.com>
Cc: gerd.moellmann@gmail.com, 58334@debbugs.gnu.org
Subject: bug#58334: 29.0.50; ASAN heap use after free in gui_produce_glyphs
Date: Fri, 07 Oct 2022 14:29:19 +0300 [thread overview]
Message-ID: <83k05boos0.fsf@gnu.org> (raw)
In-Reply-To: <87zge8orla.fsf@yahoo.com> (message from Po Lu on Fri, 07 Oct 2022 18:28:33 +0800)
> From: Po Lu <luangruo@yahoo.com>
> Cc: Eli Zaretskii <eliz@gnu.org>, 58334@debbugs.gnu.org
> Date: Fri, 07 Oct 2022 18:28:33 +0800
>
> Gerd Möllmann <gerd.moellmann@gmail.com> writes:
>
> > Redisplay has two phases:
> >
> > 1. Building desired matrices, that is, what should be on the screen
> > after redisplay.
>
> Well, at least there's this in redisplay_internal (I think you wrote
> it):
>
> /* I don't think this happens but let's be paranoid. */
> if (redisplaying_p) <=================================
> return;
>
> So perhaps the right thing to do would be to replace the comment with
> one saying that process_pending_signals can potentially cause redisplay
> to be called within itself.
You don't need process_pending_signals, it's enough that some hook
calls 'redisplay' from Lisp.
next prev parent reply other threads:[~2022-10-07 11:29 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
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 [this message]
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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