Bug#1118948: eureka: segmentation fault after loading wads

[thresh]

Package: eureka
Version: 2.0.2-1
Severity: important
X-Debbugs-Cc: thresh90069 at gmail.com

output after running:
 
*** Eureka DOOM Editor v2.0.2 (C) 2020 The Eureka Team ***
 
Current time: 12:30 on 2025/10/25
Install dir: /usr/share/eureka
Home  dir: /home/thresh/.eureka
Cache dir: /home/thresh/.eureka
Reading config file: /home/thresh/.eureka/config.cfg
Detected Screen Size: 2242x1488
Reading recent list from: /home/thresh/.eureka/misc.cfg
Reading key bindings from: /usr/share/eureka/bindings.cfg
Reading key bindings from: /home/thresh/.eureka/bindings.cfg
Looking for IWADs....
Writing recent list to: /home/thresh/.eureka/misc.cfg
Loading Operation menus...
Opening WAD file: /home/thresh/doomwads/pwads/exp.wad
Parsing '__EUREKA' lump
Writing recent list to: /home/thresh/.eureka/misc.cfg
Opening WAD file: /home/thresh/doomwads/iwads/doom2.wad
Loading initial map : MAP14
Removing 14 unused vertices at end
 
----- Loading Resources -----
Game name: 'doom2'
IWAD file: '/home/thresh/doomwads/iwads/doom2.wad'
Loading Definitions : games/doom2.ugh
Port name: 'mbf'
Loading Definitions : ports/mbf.ugh
Opening WAD file: /home/thresh/doomwads/pwads/race_to_the_death-3.0.wad
Opening WAD file: /home/thresh/doomwads/iwads/doom2.wad
Loading Flats from WAD #1
Loading Flats from WAD #2
Loading Flats from WAD #3
Loading Textures from WAD #1
Loading Textures from WAD #2
Loading Textures from WAD #3
Closing WAD file: /home/thresh/doomwads/iwads/doom2.wad
Closing WAD file: /home/thresh/doomwads/pwads/race_to_the_death-3.0.wad
Closing WAD file: /home/thresh/doomwads/iwads/doom2.wad
Closing WAD file: /home/thresh/doomwads/pwads/exp.wad
 
FATAL ERROR: basic_string::substr: __pos (which is 1) > this->size() (which is 0)
 
FATAL ERROR: basic_string::substr: __pos (which is 1) > this->size() (which is 0)
 
Error: basic_string::substr: __pos (which is 1) > this->size() (which is 0) 
Segmentation fault

it only appears to happen on certain maps, however. i am not sure what in the maps causes it to crash. (https://www.dietwater.net/doomwads/exp.wad crashes it for example)
also does not occur on other wads.

-- System Information:
Debian Release: 13.1
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.12.48+deb13-amd64 (SMP w/16 CPU threads; PREEMPT)
Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8), LANGUAGE=en_CA:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages eureka depends on:
ii  libc6                   2.41-12
ii  libfltk-gl1.3t64        1.3.11-2
ii  libfltk-images1.3t64    1.3.11-2
ii  libfltk1.3t64           1.3.11-2
ii  libgcc-s1               14.2.0-19
ii  libglu1-mesa [libglu1]  9.0.2-1.1+b3
ii  libglx0                 1.7.0-1+b2
ii  libopengl0              1.7.0-1+b2
ii  libstdc++6              14.2.0-19
ii  libx11-6                2:1.8.12-1
ii  libxpm4                 1:3.5.17-1+b3
ii  zlib1g                  1:1.3.dfsg+really1.3.1-1+b1

Versions of packages eureka recommends:
ii  freedoom  0.13.0-2

eureka suggests no packages.

-- no debconf information