Crash caused by signal #11: Segmentation fault

Version: Dungeon Crawl Stone Soup 0.34-a0-729-gfeca0caa60
Platform: unix
Bits: 64
Game mode: tutorial
Tiles: online

Seed: 6106695008964305558, deterministic pregen: 1
Command line: /usr/games/crawl-git-feca0caa60 -name mallang -rc /dgldir/rcfiles/crawl-git/mallang.rc -macro /dgldir/rcfiles/crawl-git/mallang.macro -morgue /dgldir/morgue/mallang/ -tutorial -webtiles-socket /crawl-master/webserver/sockets/mallang:2025-09-04.13:09:01.sock -await-connection

RC options:
restart_after_game = false


Crash caused by signal #11: Segmentation fault

Obtained 24 stack frames.
/usr/games/crawl-git-feca0caa60(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x58e872083efe]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-git-feca0caa60(_Z13do_crash_dumpv+0x43a) [0x58e872091fba]: do_crash_dump()
/usr/games/crawl-git-feca0caa60(_Z20crash_signal_handleri+0x1fa) [0x58e8720843da]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x7033d3fc3330]: 
/lib/x86_64-linux-gnu/libc.so.6(isspace+0x12) [0x7033d3fb96a2]: 
/usr/games/crawl-git-feca0caa60(_Z18prompt_invent_itemPKc9menu_typei15operation_types13enum_bitfieldI14invprompt_flagLin1EEcS0_Pi+0x1d8) [0x58e87229a228]: prompt_invent_item(char const*, menu_type, int, operation_types, enum_bitfield<invprompt_flag, -1>, char, char const*, int*)
/usr/games/crawl-git-feca0caa60(_Z11adjust_itemiP8item_def+0x7d) [0x58e871ff4bbd]: adjust_item(int, item_def*)
/usr/games/crawl-git-feca0caa60(_Z13describe_itemR8item_defSt8functionIFvRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEb+0x311) [0x58e8720db8a1]: describe_item(item_def&, std::function<void (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&)>, bool)
/usr/games/crawl-git-feca0caa60(_ZN7InvMenu13examine_indexEi+0x108) [0x58e8722983b8]: InvMenu::examine_index(int)
/usr/games/crawl-git-feca0caa60(_ZN4Menu15process_commandE12command_type+0x6e8) [0x58e8723e0948]: Menu::process_command(command_type)
/usr/games/crawl-git-feca0caa60(+0x82dc2b) [0x58e8723d4c2b]: 
/usr/games/crawl-git-feca0caa60(_ZN2ui6Widget8on_eventERKNS_5EventE+0x74) [0x58e87276a144]: ui::Widget::on_event(ui::Event const&)
/usr/games/crawl-git-feca0caa60(_ZN2ui6UIRoot13deliver_eventERNS_5EventE+0x20a) [0x58e87276de2a]: ui::UIRoot::deliver_event(ui::Event&)
/usr/games/crawl-git-feca0caa60(_ZN2ui6UIRoot8on_eventER8wm_event+0x77) [0x58e87276e157]: ui::UIRoot::on_event(wm_event&)
/usr/games/crawl-git-feca0caa60(_ZN2ui11pump_eventsEi+0x68) [0x58e872773718]: ui::pump_events(int)
/usr/games/crawl-git-feca0caa60(_ZN4Menu7do_menuEv+0x43a) [0x58e8723d9c7a]: Menu::do_menu()
/usr/games/crawl-git-feca0caa60(_ZN4Menu4showEb+0xa8) [0x58e8723e11d8]: Menu::show(bool)
/usr/games/crawl-git-feca0caa60(_Z17display_inventoryv+0xbd) [0x58e8722994bd]: display_inventory()
/usr/games/crawl-git-feca0caa60(+0xc8d01a) [0x58e87283401a]: 
/usr/games/crawl-git-feca0caa60(+0xc8dba5) [0x58e872834ba5]: 
/usr/games/crawl-git-feca0caa60(main+0x1f7) [0x58e871fb8c27]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x7033d3fa81ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x7033d3fa828b]: 
/usr/games/crawl-git-feca0caa60(_start+0x25) [0x58e871fb9715]: 

Trying to run gdb.
GNU gdb (Ubuntu 15.0.50.20240403-0ubuntu1) 15.0.50.20240403-git
Copyright (C) 2024 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.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
    <http://www.gnu.org/software/gdb/documentation/>.

For help, type "help".
Type "apropos word" to search for commands related to "word".
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007033d408e7a7 in __GI___wait4 (pid=348812, stat_loc=0x0, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:30
#0  0x00007033d408e7a7 in __GI___wait4 (pid=348812, stat_loc=0x0, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:30
        sc_ret = -512
        sc_ret = <optimized out>
#1  0x000058e8720845ac in call_gdb (file=0x7033d41824e0 <_IO_2_1_stderr_>) at crash.cc:438
        gdb = <optimized out>
        attach_cmd = "attach 347151\000\000\000\000\000\000"
#2  0x000058e872091fd8 in do_crash_dump () at dbg-asrt.cc:673
        t = 1756991583
        dir = "/dgldir/morgue/mallang/"
        name = "/dgldir/morgue/mallang/crash-mallang-20250904-131303.txt", '\000' <repeats 123 times>
        signal_info = "Crash caused by signal #11: Segmentation fault"
        cause_msg = "Crash caused by signal #11: Segmentation fault"
        file = 0x7033d41824e0 <_IO_2_1_stderr_>
#3  0x000058e8720843da in crash_signal_handler (sig_num=11) at crash.cc:198
No locals.
#4  <signal handler called>
No locals.
#5  0x00007033d3fb96a2 in isspace (c=-1006) at ./ctype/ctype.c:34

Compilation info:
<<<<<<<<<<<
Compiled with GCC 13.3.0
Build platform: x86_64-linux-gnu
Platform: x86_64-linux-gnu
CFLAGS: -O2 -pipe -DUSE_TILE -DUSE_TILE_WEB -Wall -Wformat-security -Wundef -Wextra -Wno-missing-field-initializers -Wno-implicit-fallthrough -Wno-type-limits -Wno-uninitialized -Wno-array-bounds -Wno-format-zero-length -Wmissing-declarations -Wredundant-decls -Wno-parentheses -Wwrite-strings -Wshadow -pedantic -Wuninitialized -Iutil -I. -isystem /usr/include/lua5.1 -g -DWIZARD -DASSERTS -DREGEX_PCRE -DCLUA_BINDINGS -DDGAMELAUNCH -DSAVE_DIR_PATH="/crawl-master/crawl-git-feca0caa60/saves" -DSHARED_DIR_PATH="/crawl-master/crawl-git/saves" -DDATA_DIR_PATH="/crawl-master/crawl-git-feca0caa60/data/" -DWEB_DIR_PATH="/crawl-master/crawl-git-feca0caa60/data/web/" -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600
LDFLAGS: -rdynamic -fuse-ld=gold -O2
>>>>>>>>>>>

Place info:
branch = 0, depth = 2

Level id: D:2
Level build method = random_map_for_place, level layout type  = encompass, absdepth0 = 1
Level vaults:
    tutorial_lesson1_level2

Markers:
<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>

Messages:
<<<<<<<<<<<<<<<<<<<<<<
In this lesson you're going to learn how to move around and explore a level.
You can move with the [arrow keys].
You can reread all messages at any time with [Ctrl-P]. Also, press [Space] to
clear the --more-- prompts.
Found a staircase leading out of the dungeon.
You start removing your armour. You continue removing your +0 robe. x5
You finish removing your +0 robe. You drop a +0 robe.
Sorry, you're not good enough to have a special ability.
You aren't carrying anything.
Sorry, you're not good enough to have a special ability.
You aren't carrying anything.
You start putting on your armour. You continue putting on your +0 robe. x5
You finish putting on your +0 robe.
Okay, then.
There is a staircase leading out of the dungeon here.
Unknown command.
There is a staircase leading out of the dungeon here.
You start waiting.
Done waiting.
You start waiting.
Done waiting.
There is a staircase leading out of the dungeon here.
You start waiting.
Done waiting.
Unknown command.
Unknown command.
There is a staircase leading out of the dungeon here.
Unknown command.
Unknown command.
Unknown command.
Unknown command.
You start waiting.
Done waiting.
You start waiting.
Done waiting.
You're doing great! Now, explore a bit until you reach the next blue square.
You start waiting.
Done waiting.
Unknown command.
Unknown command.
Move diagonally with the [number pad] (try Numlock on/off) [vi keys]
  Numpad:     7 8 9       vi-keys:    y k u
               \|/                     \|/
              4-.-6                   h-.-l
               /|\                     /|\
              1 2 3                   b j n
You start waiting.
Done waiting.
A quicker way to “run” through a corridor is to press [Shift] along with the
[number pad] (try Numlock on/off) or [vi keys].
Found a stone staircase leading down.
When standing on a staircase leading downwards, you can enter the next level
with [>].
There is a stone staircase leading down here.
You start waiting.
Done waiting.
Unknown command.
Unknown command.
You climb downwards.
A new level! To begin with, head over to that door to the right.
Also, remember: You can reread old messages with [Ctrl-P].
There is a stone staircase leading up here.
You can't go down here!
You climb upwards.
When standing on a staircase leading downwards, you can enter the next level
with [>].
There is a stone staircase leading down here.
You can't go up here!
You can't go up here!
You climb downwards.
There is a stone staircase leading up here.
You can't go down here!
You climb upwards.
When standing on a staircase leading downwards, you can enter the next level
with [>].
There is a stone staircase leading down here.
You climb downwards.
There is a stone staircase leading up here.
You climb upwards.
When standing on a staircase leading downwards, you can enter the next level
with [>].
There is a stone staircase leading down here.
You climb downwards.
There is a stone staircase leading up here.
You can open a closed door by walking into it.
You can't go down here!
You can't go up here!
You can't go down here!
You can't go up here!
You open the door.
There is an open door here.
You open the door.
There is an open door here.
To close an open door, press [C].
You start removing your armour. You continue removing your +0 robe. x5
You finish removing your +0 robe.
You aren't wearing anything.
There is an open door here.
There is an open door here.
You can open a closed door by walking into it.
You aren't wearing anything.
You aren't wearing anything.
There is an open door here.
There is an open door here.
You aren't wearing anything.
To close an open door, press [C].
You aren't wearing anything.
There is an open door here.
Unknown command.
Unknown command.
You start waiting.
Done waiting.
You start waiting.
Done waiting.
Unknown command.
Unknown command.
Unknown command.
Unknown command.
You drop a +0 robe.
There is an open door here.
To close an open door, press [C].
To close an open door, press [C].
There is an open door here.
You see here a +0 robe.
You start waiting.
Done waiting.
Unknown command.
Unknown command.
Unknown command.
Unknown command.
Unknown command.
Unknown command.
Unknown command.
Unknown command.
You start waiting.
Done waiting.
There is an open door here.
You see here a +0 robe.
You see here a +0 robe.
You aren't carrying anything.
Sorry, you're not good enough to have a special ability.
You aren't carrying any potions.
Okay, then.
There is an open door here.
To close an open door, press [C].
There is an open door here.
You see here a +0 robe.
No target in view!
No target in view!
There is an open door here.
You see here a +0 robe.
No target in view!
No target in view!
No target in view!
You start waiting.
Done waiting.
No target in view!
No target in view!
No target in view!
You see here a +0 robe.
No target in view!
Unknown command.
Unknown command.
You aren't wearing anything.
You don't know any spells.
Press: ? - help, v - describe, . - travel, g - get item
Item here: a +0 robe.
The floor.
You see here a +0 robe.
Press: ? - help, v - describe, . - travel, g - get item
Item here: a +0 robe.
The floor.
You see here a +0 robe.
You see here a +0 robe.
You see here a +0 robe.
Press: ? - help, v - describe, . - travel, g - get item
Item here: a +0 robe.
The floor.
You see here a +0 robe.
Sorry, you're not good enough to have a special ability.
You aren't carrying any potions.
You start putting on your armour. You continue putting on your +0 robe. x5
You finish putting on your +0 robe.
There is an open door here.
To close an open door, press [C].
Why would you want to do that?
Why would you want to do that?
Note how you can move through shallow but not through deep water.
Why would you want to do that?
You enter the shallow water.
Moving in this stuff is going to be slow.
Why would you want to do that?
Why would you want to do that?
You open the door.
Found a stone staircase leading up.
There is an open door here.
When standing on a staircase leading upwards, you can enter the previous level
with [<].
There is a stone staircase leading up here.
There are no items here.
There are no items here.
There are no items here.
There are no items here.
There are no items here.
When standing on a staircase leading upwards, you can enter the previous level
with [<].
There is a stone staircase leading up here.
There are no items here.
There are no items here.
There are no items here.
Okay, then.
No target in view!
No target in view!
When standing on a staircase leading upwards, you can enter the previous level
with [<].
There is a stone staircase leading up here.
When standing on a staircase leading upwards, you can enter the previous level
with [<].
There is a stone staircase leading up here.
Unknown command.
Unknown command.
Unknown command.
Unknown command.
There is an open door here.
When standing on a staircase leading upwards, you can enter the previous level
with [<].
There is a stone staircase leading up here.
When standing on a staircase leading upwards, you can enter the previous level
with [<].
There is a stone staircase leading up here.
When standing on a staircase leading upwards, you can enter the previous level
with [<].
There is a stone staircase leading up here.
When standing on a staircase leading upwards, you can enter the previous level
with [<].
There is a stone staircase leading up here.
Unknown command.
Unknown command.
You swing at nothing.
When standing on a staircase leading upwards, you can enter the previous level
with [<].
There is a stone staircase leading up here.
You swing at nothing.
You swing at nothing.
When standing on a staircase leading upwards, you can enter the previous level
with [<].
There is a stone staircase leading up here.
You start waiting.
Done waiting.
You start waiting.
Done waiting.
There are no items here.
There are no items here.
There are no items here.
There is an open door here.
What are your orders?
 t - Shout!
Orders for allies: a - Attack new target.
                   r - Retreat!             s - Stop attacking.
                   g - Guard the area.      f - Follow me.
 Anything else - Cancel.
Okay, then.
There are no items here.
What are your orders?
 t - Shout!
Orders for allies: a - Attack new target.
                   r - Retreat!             s - Stop attacking.
                   g - Guard the area.      f - Follow me.
 Anything else - Cancel.
Guard this area!
There are no items here.
There is an open door here.
Adjust to which letter?  (? for menu, Esc to quit)
Huh?
Adjust to which letter?  (? for menu, Esc to quit)

>>>>>>>>>>>>>>>>>>>>>>

Version history:
Game started: 0.34-a0-729-gfeca0caa60

Game state:

mouse_enabled: 0, waiting_for_command: 0, terminal_resized: 0
io_inited: 1, need_save: 1, saving_game: 0, updating_scores: 0:
seen_hups: 1, map_stat_gen: 0, type: 2, arena_suspended: 0

prev_cmd = CMD_DISPLAY_INVENTORY
repeat_cmd = CMD_NO_CMD

Player:
{{{{{{{{{{{
Name:    [mallang]
Species: Human
Job:     Fighter

HP: 18/18; mods: 0/0
MP: 3/3; mod: 2
Stats: 16 8 12
Position: (49, 28), god: No God (0), turn_is_over: 0, banished: 0
Standing on/in/over feature: floor

Skills (mode: auto)
Name            | can_currently_train | train | training | level | points | progress
Fighting        |          X          |   1   |    43    |    3  |    301 | 1/200
Short Blades    |          X          |   1   |     0    |    0  |      0 | 0/50
Long Blades     |          X          |   1   |     0    |    0  |      0 | 0/50
Axes            |          X          |   1   |     0    |    0  |      0 | 0/50
Maces & Flails  |          X          |   1   |     0    |    0  |      0 | 0/50
Polearms        |          X          |   1   |     0    |    0  |      0 | 0/50
Staves          |          X          |   1   |     0    |    0  |      0 | 0/50
Ranged Weapons  |          X          |   1   |     0    |    0  |      0 | 0/50
Throwing        |          X          |   1   |     0    |    0  |      0 | 0/50
Armour          |          X          |   1   |    42    |    3  |    301 | 1/200
Dodging         |          X          |   1   |     0    |    0  |      0 | 0/50
Stealth         |          X          |   1   |     4    |    0  |      0 | 0/42
Shields         |          X          |   1   |     0    |    0  |      0 | 0/50
Unarmed Combat  |          X          |   1   |    11    |    2  |    151 | 1/150
Spellcasting    |          X          |   1   |     0    |    0  |      0 | 0/59
Conjurations    |          X          |   1   |     0    |    0  |      0 | 0/50
Hexes           |          X          |   1   |     0    |    0  |      0 | 0/50
Summonings      |          X          |   1   |     0    |    0  |      0 | 0/50
Necromancy      |          X          |   1   |     0    |    0  |      0 | 0/50
Translocations  |          X          |   1   |     0    |    0  |      0 | 0/50
Forgecraft      |          X          |   1   |     0    |    0  |      0 | 0/50
Fire Magic      |          X          |   1   |     0    |    0  |      0 | 0/50
Ice Magic       |          X          |   1   |     0    |    0  |      0 | 0/50
Air Magic       |          X          |   1   |     0    |    0  |      0 | 0/50
Earth Magic     |          X          |   1   |     0    |    0  |      0 | 0/50
Alchemy         |          X          |   1   |     0    |    0  |      0 | 0/50
Invocations     |          X          |   1   |     0    |    0  |      0 | 0/42
Evocations      |          X          |   1   |     0    |    0  |      0 | 0/50
Shapeshifting   |          X          |   1   |     0    |    0  |      0 | 0/59

Spell bugs:

Durations:

Attributes:

Mutations:
    explore regen: 1 (innate)

Inventory bugs:

Equipment:
    eq slot #3, inv slot #0: +0 robe

}}}}}}}}}}}

Webtiles message buffer: 
Webtiles JSON stack:

Screenshot:
       #≈≈≈
       #≈≈≈#
       #≈≈≈#
       #≈≈≈#
       #≈≈≈#
      ##≈≈≈##
#### ##.≈≈≈.## #####
.#.###.≈≈≈≈≈.###...#
.'.....≈≈≈≈≈...'@<.#
.#.###.≈≈≈≈≈.###...#
#### #.≈≈≈≈≈.# #####
     #.≈≈≈≈≈.#
     #..≈≈≈..#
     ##.≈≈≈.##
      #.~~~.#
      ##≈≈≈##
       #≈≈≈#

clua stack:


dlua stack:


Lua persistent data:
<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>

Lua marker contents:
<<<<<<<<<<<<<<<<<<<<<<
Lua marker 0 at (28, 28):
{{{{
CLASS: TriggerableFunction
repeated: true
listeners: 

func: 
    CLASS: FunctionWrapper
    name: tutorial_messenger_db
    fn: [type function]

props: 

triggerers: 
    1: 
        CLASS: DgnTriggerer
        type: player_move


activating: false
dgn_trigs_by_type: 
    4: 
        1: 1


activated: true
data: 
    onetime: false
    text: tutorial1 door
    exit: false
}}}}
Lua marker 1 at (35, 28):
{{{{
CLASS: TriggerableFunction
repeated: true
listeners: 

func: 
    CLASS: FunctionWrapper
    name: tutorial_messenger_db
    fn: [type function]

props: 

triggerers: 
    1: 
        CLASS: DgnTriggerer
        type: player_move


activating: false
dgn_trigs_by_type: 
    4: 
        1: 1


activated: true
data: 
    onetime: false
    text: tutorial1 close_door
    exit: false
}}}}
Lua marker 2 at (39, 31):
{{{{
CLASS: TriggerableFunction
repeated: true
listeners: 

func: 
    CLASS: FunctionWrapper
    name: tutorial_messenger_db
    fn: [type function]

props: 

triggerers: 
    1: 
        CLASS: DgnTriggerer
        type: player_move


activating: false
dgn_trigs_by_type: 
    4: 
        1: 1


activated: true
data: 
    onetime: false
    text: tutorial1 water
    exit: false
}}}}
Lua marker 3 at (50, 28):
{{{{
CLASS: TriggerableFunction
repeated: true
listeners: 

func: 
    CLASS: FunctionWrapper
    name: tutorial_messenger_db
    fn: [type function]

props: 

triggerers: 
    1: 
        CLASS: DgnTriggerer
        type: player_move


activating: false
dgn_trigs_by_type: 
    4: 
        1: 1


activated: true
data: 
    onetime: false
    text: tutorial1 upstairs
    exit: false
}}}}
>>>>>>>>>>>>>>>>>>>>>>