Your message dated Mon, 10 Aug 2026 01:32:28 +0200
with message-id <[email protected]>
and subject line fontforge: Importing image into glyph segfaults
has caused the Debian Bug report #969296,
regarding fontforge: Importing image into glyph segfaults
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--
969296: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=969296
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: fontforge
Version: 1:20190801~dfsg-5
Severity: normal
Dear Maintainer,
When:
1. FontForge is opened
2. "New" is selected in the dialogue
3. a strike is added via Elements->Bitmap Strikes Available
4. a cell is selected
5. a PNG is File->Imported (the one I'm using and that crashes
is attached)
FontForge segfaults with this trace:
-- >8 --
$ gdb fontforge
GNU gdb (Debian 9.2-1) 9.2
Copyright (C) 2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
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Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
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For help, type "help".
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Reading symbols from fontforge...
(No debugging symbols found in fontforge)
(gdb) run
Starting program: /usr/bin/fontforge
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
Copyright (c) 2000-2020. See AUTHORS for Contributors.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
Version: 20190801
Based on sources from 18:02 UTC 29-May-2020-ML-D-GDK3.
Program received signal SIGSEGV, Segmentation fault.
0xb7ccc402 in ?? () from /lib/libfontforgeexe.so.3
(gdb) bt
#0 0xb7ccc402 in () at /lib/libfontforgeexe.so.3
#1 0xb773c15d in () at /lib/libgdraw.so.6
#2 0xb773d93b in () at /lib/libgdraw.so.6
#3 0xb7786c5a in () at /lib/libgdraw.so.6
#4 0xb7787575 in () at /lib/libgdraw.so.6
#5 0xb762d667 in () at /lib/i386-linux-gnu/libgdk-3.so.0
#6 0xb7662f17 in () at /lib/i386-linux-gnu/libgdk-3.so.0
#7 0xb750fa6d in g_main_context_dispatch () at
/lib/i386-linux-gnu/libglib-2.0.so.0
#8 0xb750fd19 in () at /lib/i386-linux-gnu/libglib-2.0.so.0
#9 0xb750fdc4 in g_main_context_iteration () at
/lib/i386-linux-gnu/libglib-2.0.so.0
#10 0xb77855cc in () at /lib/libgdraw.so.6
#11 0xb7ccba0a in () at /lib/libfontforgeexe.so.3
#12 0xb7c6a210 in () at /lib/libfontforgeexe.so.3
#13 0xb7757d1e in () at /lib/libgdraw.so.6
#14 0xb7758299 in () at /lib/libgdraw.so.6
#15 0xb7786c5a in () at /lib/libgdraw.so.6
#16 0xb7787575 in () at /lib/libgdraw.so.6
#17 0xb762d667 in () at /lib/i386-linux-gnu/libgdk-3.so.0
#18 0xb7662f17 in () at /lib/i386-linux-gnu/libgdk-3.so.0
#19 0xb750fa6d in g_main_context_dispatch () at
/lib/i386-linux-gnu/libglib-2.0.so.0
#20 0xb750fd19 in () at /lib/i386-linux-gnu/libglib-2.0.so.0
#21 0xb750fdc4 in g_main_context_iteration () at
/lib/i386-linux-gnu/libglib-2.0.so.0
#22 0xb77856de in () at /lib/libgdraw.so.6
#23 0xb7dbde76 in fontforge_main () at /lib/libfontforgeexe.so.3
#24 0x00401087 in main ()
(gdb)
-- >8 --
-- System Information:
Debian Release: bullseye/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 5.7.0-3-686-pae (SMP w/2 CPU threads)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8),
LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages fontforge depends on:
ii fontforge-common 1:20190801~dfsg-5
ii libc6 2.31-3
ii libfontforge3 1:20190801~dfsg-5
ii libgdraw6 1:20190801~dfsg-5
fontforge recommends no packages.
Versions of packages fontforge suggests:
pn fontforge-doc <none>
pn fontforge-extras <none>
pn potrace <none>
pn python3-fontforge <none>
-- no debconf information
signature.asc
Description: PGP signature
--- End Message ---
--- Begin Message ---
Version: 1:20251009+git20260808~dfsg-2
Not reproducible for the current sid version. Likely fixes upstream: the crash
trace matches the CharView draw-outside-expose pattern reworked in
fontforge/fontforge#4949 (2022-07: "Fix drawing outside of expose calls") and
#5625 (2025-10: removed the cv->backimgs/back_img_out_of_date machinery that
triggered redraws right after image imports).
--- End Message ---
