GNU bug report logs - #35429
27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages

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From: Kaushal Modi <kaushal.modi <at> gmail.com>
To: 35429 <at> debbugs.gnu.org
Subject: bug#35429: 27.0.50; Arbitrary xdisp.c related crashes when working with overlay-using packages
Date: Thu, 25 Apr 2019 11:36:27 -0400

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Hello,

In the past one-two weeks, I have been noticing arbitrary crashes when
working in Org mode, with other packages like org-tree-slide and
artist-mode. My guess is that this has to do with packages dealing with
overlays.

I do not have a reproducible recipe, but this time, I got the full
backtrace (attached as gdb.txt).

The log shows the the beacon package caused this. For reference, here is
the source of beacon.el:
http://git.savannah.gnu.org/cgit/emacs/elpa.git/tree/packages/beacon/beacon.el

---


In GNU Emacs 27.0.50 (build 22, x86_64-pc-linux-gnu, GTK+ Version 2.24.23)
 of 2019-04-24 built on
Repository revision: c5358e831f05cdd110f12a4260e6fb607c66c0b4
Repository branch: master
Windowing system distributor 'Open Text', version 11.0.11505
System Description: Red Hat Enterprise Linux Workstation release 6.8
(Santiago)

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
C-c C-c is undefined

Configured using:
 'configure --with-modules
 --prefix=/home/kmodi/usr_local/apps/6/emacs/master
 '--program-transform-name=s/^ctags$/ctags_emacs/'
 --enable-checking=yes,glyphs --enable-check-lisp-object-type
 'CPPFLAGS=-I/home/kmodi/stowed/include
 -I/home/kmodi/usr_local/6/include -I/usr/include/freetype2
 -I/usr/include' 'CFLAGS=-ggdb3 -Og' 'CXXFLAGS=-ggdb3 -Og'
 'LDFLAGS=-L/home/kmodi/stowed/lib -L/home/kmodi/stowed/lib64
 -L/home/kmodi/usr_local/6/lib -L/home/kmodi/usr_local/6/lib64 -ggdb3''

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS GLIB
NOTIFY INOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF
XFT ZLIB TOOLKIT_SCROLL_BARS GTK2 X11 XDBE XIM MODULES THREADS PDUMPER
GMP

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix


--
Kaushal Modi

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[gdb.txt (text/plain, attachment)]

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