GNU bug report logs - #44113
28.0.50; crash with cairo and Noto Sans Javanese font

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#44113: closed (28.0.50; crash with cairo and Noto Sans
 Javanese font)
Date: Sat, 07 Nov 2020 08:16:02 +0000

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Your message dated Sat, 07 Nov 2020 10:15:05 +0200
with message-id <83tuu17fcm.fsf <at> gnu.org>
and subject line Re: bug#44113: 28.0.50; crash with cairo and Noto Sans Javanese font
has caused the debbugs.gnu.org bug report #44113,
regarding 28.0.50; crash with cairo and Noto Sans Javanese font
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Stephen Berman <stephen.berman <at> gmx.net>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.0.50; crash with cairo and Noto Sans Javanese font
Date: Wed, 21 Oct 2020 12:12:00 +0200

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I installed NotoSansJavanese-Regular.ttf and when I type `C-h h' to view
the Javanese script, Emacs immediately crashes.  It also crashes when I
just try to insert a character from that script, e.g. `C-x 8 RET #xa9b2
RET'.  I've attached the backtrace from gdb produced from the latter.
Emacs also crashes when trying to display a character from the Balinese
script with NotoSansBalinese-Regular.ttf installed.  The crashes do not
happen in emacs-27 built without cairo, but characters from the Javanese
and Balinese scripts are displayed there as tofu, as they are in Firefox
(e.g. https://en.wikipedia.org/wiki/Javanese_script), so maybe the fonts
are buggy; and indeed, when I uninstall them Emacs built with cairo does
not crash and the characters are displayed as tofu.  But it would be
better for Emacs with cairo not to crash with a buggy font, if possible.
If desired, I can send the fonts.

In GNU Emacs 28.0.50 (build 37, x86_64-pc-linux-gnu, GTK+ Version 3.24.17, cairo version 1.17.3)
 of 2020-10-20 built on strobe-jhalfs
Repository revision: 39271ed108380494667ab680fc71b800f9ea5097
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12008000
System Description: Linux From Scratch SVN-20200401

Configured using:
 'configure --with-xwidgets 'CFLAGS=-Og -g3''

Configured features:
XPM JPEG TIFF GIF PNG RSVG CAIRO SOUND DBUS GSETTINGS GLIB NOTIFY
INOTIFY ACL GNUTLS LIBXML2 FREETYPE HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS
GTK3 X11 XDBE XIM MODULES THREADS XWIDGETS LIBSYSTEMD PDUMPER LCMS2

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

[backtrace.gz (application/octet-stream, attachment)]

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: rpluim <at> gmail.com, stephen.berman <at> gmx.net, 44113-done <at> debbugs.gnu.org
Subject: Re: bug#44113: 28.0.50; crash with cairo and Noto Sans Javanese font
Date: Sat, 07 Nov 2020 10:15:05 +0200

> From: Lars Ingebrigtsen <larsi <at> gnus.org>
> Cc: Stephen Berman <stephen.berman <at> gmx.net>,  rpluim <at> gmail.com,
>   44113 <at> debbugs.gnu.org
> Date: Thu, 22 Oct 2020 14:38:12 +0200
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> > Yes, let's install that patch (I guess on the emacs-27 branch?).
> 
> I installed it on master, but we should cherry-pick it for emacs-27 in a
> couple of days (if there's no problems with it).

Thanks, I've now done that.

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