#0 0xf727597c in __mempcpy_ia32 () from /lib/libc.so.6
#1 0xf7267a14 in __GI__IO_default_xsputn () from /lib/libc.so.6
#2 0xf723aff3 in vfprintf () from /lib/libc.so.6
#3 0xf725b732 in vsprintf () from /lib/libc.so.6
#4 0xf724069f in sprintf () from /lib/libc.so.6
#5 0x081b664c in act_with_dam (str=0x83731f8 "tiny bits and pieces with $s %s#w.", hide_invisible=0, ch=0xc65ced8, obj=0x0, vict_obj=0x11f6ab40, type=6,
dam=10, did_crit=17 '\021') at comm.c:3275
#6 0x0806d7b4 in dam_message (dam=10, ch=0xc65ced8, victim=0x11f6ab40, did_crit=0 '\000', w_type=312, input_message=0x8456934 <damage_messages+180>)
at combat/dam_message.c:29
#7 0x08076f89 in damage_crit (ch=0xc65ced8, victim=0x11f6ab40, crit=0 '\000', dam=10, attacktype=312, special=0, fight_starter=1 '\001',
message=0x8456934 <damage_messages+180>) at combat/damage.c:914
#8 0x0807143d in hit (ch=0xc65ced8, victim=0x11f6ab40, type=-1) at combat/hit.c:452
#9 0x0809f990 in handle_npc_attacks (ch=0xc65ced8, vict=0x11f6ab40) at pulses/perform_violence.c:1113
#10 0x080a04e7 in perform_violence () at pulses/perform_violence.c:1349
#11 0x081ac023 in heartbeat (pulse=334800) at comm.c:1034
#12 0x081abdd5 in game_loop (mother_desc=3) at comm.c:946
#13 0x081aa8ed in init_game (port=9400) at comm.c:484
#14 0x081aa333 in main (argc=2, argv=0xffd99634) at comm.c:312
fourty7
commented
3 years ago 
Here's the stacktrace:
Here's the core filename: core.tmp.26397