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From: Eli Zaretskii <eliz@gnu.org>
To: Torsten Bronger <bronger@physik.rwth-aachen.de>
Cc: 45156@debbugs.gnu.org
Subject: bug#45156: 28.0.50; Segfault due to glyph_row being set to NULL
Date: Thu, 10 Dec 2020 15:54:55 +0200	[thread overview]
Message-ID: <83tust4vgw.fsf@gnu.org> (raw)
In-Reply-To: <87v9daaycw.fsf@physik.rwth-aachen.de> (message from Torsten Bronger on Thu, 10 Dec 2020 08:55:59 +0100)

> From: Torsten Bronger <bronger@physik.rwth-aachen.de>
> Date: Thu, 10 Dec 2020 08:55:59 +0100
> 
> I see Emacs segfaulting when moving the cursor upwards in a LaTeX
> document while tex-fold-mode is active.  The starting position of the
> cursor is important.
> 
> I placed all files to reproduce the bug at
> <http://wilson.bronger.org/emacs-glyph_row-bug.tar>.  The TeX file needs
> to be put in /tmp.  tex-fold-mode must be present.  Furthermore, place
> .emacs and .emacs.desktop in the proper positions, start current Git
> Emacs, and press the "cursor up" button.  Then, Emacs crashes for me.
> 
> The subject of this bug is just to give it a name.  I do not know
> whether glyph_row is the issue.  However, I bisected the problem, and it
> started with commit f425a774, which sets glyph_row to NULL in two
> places.  If I revert this commit, the problem is gone.

Ouch! what a terrible blunder!  Sorry about that; I see the problem
and am working on a solution.





  parent reply	other threads:[~2020-12-10 13:54 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-10  7:55 bug#45156: 28.0.50; Segfault due to glyph_row being set to NULL Torsten Bronger
2020-12-10  8:35 ` Stefan Kangas
2020-12-10  8:55   ` Torsten Bronger
2020-12-10 14:16     ` Stefan Kangas
2020-12-10 13:54 ` Eli Zaretskii [this message]
2020-12-10 15:12   ` Eli Zaretskii
2020-12-10 21:04     ` Torsten Bronger
2020-12-11  7:56       ` Eli Zaretskii
2021-04-30 11:03 ` Vasilij Schneidermann
2021-04-30 12:41   ` Eli Zaretskii
2021-04-30 13:10     ` Vasilij Schneidermann
2021-04-30 13:36       ` Eli Zaretskii
2021-04-30 15:05         ` Vasilij Schneidermann
2021-04-30 15:12           ` Eli Zaretskii
2021-04-30 14:17       ` Gregory Heytings
2021-04-30 15:03         ` Vasilij Schneidermann

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