bt
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1  0x00007ffff78a1535 in __GI_abort () at abort.c:79
#2  0x00007ffff78f8508 in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7ffff7a0328d "%s\n")
    at ../sysdeps/posix/libc_fatal.c:181
#3  0x00007ffff78fec1a in malloc_printerr (str=str@entry=0x7ffff7a01393 "corrupted double-linked list") at malloc.c:5341
#4  0x00007ffff78fee64 in malloc_consolidate (av=av@entry=0x7ffff7a3ac40 <main_arena>) at malloc.c:4488
#5  0x00007ffff790079a in _int_free (av=0x7ffff7a3ac40 <main_arena>, p=0x5555603ede30, have_lock=<optimized out>) at malloc.c:4392
#6  0x00007ffff7e4ed1f in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
#7  0x00007ffff7f39a39 in Mix_FreeChunk () from /usr/lib/x86_64-linux-gnu/libSDL2_mixer-2.0.so.0
#8  0x0000555555705a3f in FreeSound (ptr=0x5555603839a0) at sound.c:1127
#9  0x0000555555714fdf in deleteNodeFromList (node_first=0x555558bfedb8, 
    key=0x55555c949720 "/home/bryan/.rocksndiamonds/levels/Contributions/Contributions_2003/rnd_emanuel_schmieg/sounds/sirr.wav", 
    destructor_function=0x555555705a07 <FreeSound>) at misc.c:2084
#10 0x0000555555717b03 in deleteArtworkListEntry (artwork_info=0x555558bfed20, listnode=0x555560384068) at misc.c:3406
#11 0x0000555555717fc0 in FreeCustomArtworkList (artwork_info=0x555558bfed20, list=0x555558bfedb0, num_list_entries=0x555558bfed28)
    at misc.c:3570
#12 0x000055555571804f in FreeCustomArtworkLists (artwork_info=0x555558bfed20) at misc.c:3585
#13 0x0000555555705b4d in FreeAllSounds () at sound.c:1171
#14 0x0000555555646439 in CloseAllAndExit (exit_value=0) at init.c:6225
#15 0x000055555563a1d4 in main (argc=1, argv=0x7fffffffdae8) at main.c:7763
(gdb) # was trying to quit game
(gdb) # dialog went away, left at a frozen main screen (in gdb it freezes instead of crashing out)
