Crash caused by signal #11: Segmentation fault

Version: Dungeon Crawl Stone Soup 0.33.1
Platform: unix
Bits: 64
Game mode: tutorial
Tiles: online

Seed: 11104024072525831883, deterministic pregen: 1
Command line: /usr/games/crawl-0.33 -name mudcrab -rc /dgldir/rcfiles/crawl-0.33/mudcrab.rc -macro /dgldir/rcfiles/crawl-0.33/mudcrab.macro -morgue /dgldir/morgue/mudcrab/ -tutorial -webtiles-socket /crawl-master/webserver/sockets/mudcrab:2025-08-31.16:28:00.sock -await-connection

RC options:
restart_after_game = false


Crash caused by signal #11: Segmentation fault

Obtained 24 stack frames.
/usr/games/crawl-0.33(_Z17write_stack_traceP8_IO_FILE+0x3e) [0x63f4c442c7be]: write_stack_trace(_IO_FILE*)
/usr/games/crawl-0.33(_Z13do_crash_dumpv+0x43a) [0x63f4c443a83a]: do_crash_dump()
/usr/games/crawl-0.33(_Z20crash_signal_handleri+0x1fa) [0x63f4c442cc9a]: crash_signal_handler(int)
/lib/x86_64-linux-gnu/libc.so.6(+0x45330) [0x74504b491330]: 
/lib/x86_64-linux-gnu/libc.so.6(isspace+0x12) [0x74504b4876a2]: 
/usr/games/crawl-0.33(_Z18prompt_invent_itemPKc9menu_typei15operation_types13enum_bitfieldI14invprompt_flagLin1EEcS0_Pi+0x1e5) [0x63f4c4641185]: prompt_invent_item(char const*, menu_type, int, operation_types, enum_bitfield<invprompt_flag, -1>, char, char const*, int*)
/usr/games/crawl-0.33(_Z11adjust_itemi+0x5d) [0x63f4c439e20d]: adjust_item(int)
/usr/games/crawl-0.33(_Z13describe_itemR8item_defSt8functionIFvRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEb+0x2ff) [0x63f4c448316f]: describe_item(item_def&, std::function<void (std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&)>, bool)
/usr/games/crawl-0.33(_ZN7InvMenu13examine_indexEi+0x107) [0x63f4c463f8c7]: InvMenu::examine_index(int)
/usr/games/crawl-0.33(_ZN4Menu15process_commandE12command_type+0x6e8) [0x63f4c47838e8]: Menu::process_command(command_type)
/usr/games/crawl-0.33(+0x816dfb) [0x63f4c4777dfb]: 
/usr/games/crawl-0.33(_ZN2ui6Widget8on_eventERKNS_5EventE+0x74) [0x63f4c4b02744]: ui::Widget::on_event(ui::Event const&)
/usr/games/crawl-0.33(_ZN2ui6UIRoot13deliver_eventERNS_5EventE+0x20a) [0x63f4c4b0640a]: ui::UIRoot::deliver_event(ui::Event&)
/usr/games/crawl-0.33(_ZN2ui6UIRoot8on_eventER8wm_event+0x77) [0x63f4c4b06737]: ui::UIRoot::on_event(wm_event&)
/usr/games/crawl-0.33(_ZN2ui11pump_eventsEi+0x85) [0x63f4c4b0bd25]: ui::pump_events(int)
/usr/games/crawl-0.33(_ZN4Menu7do_menuEv+0x43a) [0x63f4c477c9ca]: Menu::do_menu()
/usr/games/crawl-0.33(_ZN4Menu4showEb+0xa8) [0x63f4c4784168]: Menu::show(bool)
/usr/games/crawl-0.33(_Z17display_inventoryv+0xa6) [0x63f4c4640426]: display_inventory()
/usr/games/crawl-0.33(+0xc694f6) [0x63f4c4bca4f6]: 
/usr/games/crawl-0.33(+0xc6a085) [0x63f4c4bcb085]: 
/usr/games/crawl-0.33(main+0x1f7) [0x63f4c43624a7]: 
/lib/x86_64-linux-gnu/libc.so.6(+0x2a1ca) [0x74504b4761ca]: 
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x8b) [0x74504b47628b]: 
/usr/games/crawl-0.33(_start+0x25) [0x63f4c4362ed5]: 

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".
0x000074504b55c7a7 in __GI___wait4 (pid=377357, stat_loc=0x0, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:30
#0  0x000074504b55c7a7 in __GI___wait4 (pid=377357, stat_loc=0x0, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:30
        sc_ret = -512
        sc_ret = <optimized out>
#1  0x000063f4c442ce6c in call_gdb (file=0x74504b6504e0 <_IO_2_1_stderr_>) at crash.cc:438
        gdb = <optimized out>
        attach_cmd = "attach 376748\000\000\000\000\000\000"
#2  0x000063f4c443a858 in do_crash_dump () at dbg-asrt.cc:673
        t = 1756657818
        dir = "/dgldir/morgue/mudcrab/"
        name = "/dgldir/morgue/mudcrab/crash-mudcrab-20250831-163018.txt", '\000' <repeats 123 times>
        signal_info = "Crash caused by signal #11: Segmentation fault"
        cause_msg = "Crash caused by signal #11: Segmentation fault"
        file = 0x74504b6504e0 <_IO_2_1_stderr_>
#3  0x000063f4c442cc9a in crash_signal_handler (sig_num=11) at crash.cc:198
No locals.
#4  <signal handler called>
No locals.
#5  0x000074504b4876a2 in isspace (c=-1010) 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-0.33/saves" -DDATA_DIR_PATH="/crawl-master/crawl-0.33/data/" -DWEB_DIR_PATH="/crawl-master/crawl-0.33/data/web/" -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600
LDFLAGS: -rdynamic -fuse-ld=gold -O2
>>>>>>>>>>>

Place info:
branch = 0, depth = 1

Level id: D:1
Level build method = random_map_for_place, level layout type  = encompass, absdepth0 = 0
Level vaults:
    tutorial_lesson3

Markers:
<<<<<<<<<<<<<<<<<<<<<<
Marker #8, type 0 at (47, 28): feature (stone_stairs_up_ii)
Marker #10, type 0 at (47, 30): feature (stone_stairs_up_iii)
Marker #12, type 0 at (49, 29): feature (stone_stairs_up_i)
>>>>>>>>>>>>>>>>>>>>>>

Messages:
<<<<<<<<<<<<<<<<<<<<<<
In this lesson you're going to learn about items and how to use them.
You can reread all messages at any time with [Ctrl-P]. Also, press [Space] to
clear the --more-- prompts.
Found a pair of boots.
Found three staircases leading out of the dungeon.
Pick up these boots with [,] and wear them with [e].
You see here a +0 pair of boots.
b - a +0 pair of boots
Pick up these boots with [,] and wear them with [e].
There are no items here.
You start putting on your armour.
You continue putting on your +0 pair of boots. x5
You finish putting on your +0 pair of boots.
Found a scroll labelled XUGIPP PIUV.
Some types of items, marked with a green frame, are picked up automatically as
you step on them.
Many items are unidentified when you find them. One way to find out what they
do is to use them. Try reading this scroll with [r].
c - a scroll labelled XUGIPP PIUV
Okay, then.
You open the door.
Found a scroll labelled IBOIBO ANNEFFI.
There is an open door here.
Autopickup does not work if there's a monster around. You can either pick up
this scroll now with [,] or you can fight the nearby enemy and pick it up
afterwards.
A goblin comes into view.
The goblin shouts!
You see here a scroll labelled IBOIBO ANNEFFI.
Okay, then.
d - a scroll labelled IBOIBO ANNEFFI
As you read the scroll labelled IBOIBO ANNEFFI, it crumbles to dust.
You assume a fearsome visage. The goblin looks frightened!
It was a scroll of fear.
A goblin opens the door.
Found a runed flail.
You hit the goblin.
You kill the goblin!
You see here a goblin corpse.
There is an open door here.
An item described as runed or glowing will always be enchanted, or have special
properties, or both. Once you step on top of such an item, its properties will
be revealed to you.
You see here a +0 flail of venom.
d - a +0 flail of venom
Your +0 flail of venom begins to drip with poison!
d - a +0 flail of venom (weapon)
Unknown command.
Unknown command.
You start waiting.
Done waiting.
To view the description of your new weapon, find and select it in your
inventory ([i]). Notice that all the item commands also work from the item
description screens.
Setting a skill training target for Maces & Flails at 14.0.
Unknown command.
Adjust to which letter?  (? for menu, Esc to quit)
i - a +0 flail of venom (weapon)
Adjust to which letter?  (? for menu, Esc to quit)

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

Version history:
Game started: 0.33.1

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:    [mudcrab]
Species: Human
Job:     Fighter

HP: 18/18; mods: 0/0
MP: 3/3; mod: 2
Stats: 16 8 12
Position: (35, 39), 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  |    305 | 5/200
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   |    44    |    3  |    306 | 6/200
Dodging         |          X          |   1   |     0    |    0  |      0 | 0/50
Stealth         |          X          |   1   |     0    |    0  |      0 | 0/42
Shields         |          X          |   1   |     0    |    0  |      0 | 0/50
Unarmed Combat  |          X          |   1   |    13    |    2  |    152 | 2/150
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
    eq slot #6, inv slot #1: +0 pair of boots
    eq slot #1, inv slot #8: +0 flail of venom

}}}}}}}}}}}

Webtiles message buffer: 
Webtiles JSON stack:

Screenshot:
#.##              #######
#..##
###.###
  ##..##
   ###†#
    ♣#'#♣
   ♣♣...♣♣
   ♣.....♣♣♣♣♣♣♣♣
   ♣.....@.......
   ♣.....♣♣♣♣♣♣♣♣
   ♣♣...♣♣
    ♣♣♣♣♣

clua stack:


dlua stack:


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

Lua marker contents:
<<<<<<<<<<<<<<<<<<<<<<
Lua marker 0 at (27, 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: tutorial3 scroll_noautopickup
    exit: false
}}}}
Lua marker 1 at (32, 39):
{{{{
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: tutorial3 ego_weapon
    exit: false
}}}}
Lua marker 2 at (35, 39):
{{{{
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: tutorial3 inventory
    exit: false
}}}}
Lua marker 3 at (38, 27):
{{{{
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: tutorial3 scroll
    exit: false
}}}}
Lua marker 4 at (41, 29):
{{{{
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: tutorial3 autopickup
    exit: false
}}}}
Lua marker 5 at (42, 39):
{{{{
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: tutorial3 battle
    exit: false
}}}}
Lua marker 6 at (45, 29):
{{{{
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: tutorial3 armour
    exit: false
}}}}
Lua marker 7 at (47, 28):
{{{{
CLASS: OneWayStair
props: 
    dst: tutorial_lesson3
    onclimb: 
        CLASS: FunctionWrapper
        name: tutorial3.exit
        fn: [type function]

}}}}
Lua marker 9 at (47, 30):
{{{{
CLASS: OneWayStair
props: 
    dst: tutorial_lesson3
    onclimb: 
        CLASS: FunctionWrapper
        name: tutorial3.exit
        fn: [type function]

}}}}
Lua marker 11 at (49, 29):
{{{{
CLASS: OneWayStair
props: 
    dst: tutorial_lesson3
    onclimb: 
        CLASS: FunctionWrapper
        name: tutorial3.exit
        fn: [type function]

}}}}
Lua marker 13 at (55, 38):
{{{{
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: tutorial3 downstairs
    exit: false
}}}}
Lua marker 14 at (55, 40):
{{{{
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: tutorial3 downstairs
    exit: false
}}}}
>>>>>>>>>>>>>>>>>>>>>>