Code:
bear@omg:~/omg9000$ gdb bin/omgmud lib/core
GNU gdb (Ubuntu 15.0.50.20240403-0ubuntu1) 15.0.50.20240403-git
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Reading symbols from bin/omgmud...
[New LWP 90383]
Downloading separate debug info for /lib/x86_64-linux-gnu/libcrypt.so.1
Downloading separate debug info for system-supplied DSO at 0x7ffd4390b000
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `omgmud -C3 9000'.
Program terminated with signal SIGABRT, Aborted.
Download failed: Invalid argument. Continuing without source file ./nptl/./nptl/pthread_kill.c.
#0 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>)
at ./nptl/pthread_kill.c:44
warning: 44 ./nptl/pthread_kill.c: No such file or directory
(gdb) bt
#0 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>)
at ./nptl/pthread_kill.c:44
#1 __pthread_kill_internal (signo=6, threadid=<optimized out>)
at ./nptl/pthread_kill.c:78
#2 __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6)
at ./nptl/pthread_kill.c:89
#3 0x000074cfaf44527e in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#4 0x000074cfaf4288ff in __GI_abort () at ./stdlib/abort.c:79
#5 0x000074cfaf4297b6 in __libc_message_impl (fmt=fmt@entry=0x74cfaf5ce8d7 "%s\n")
at ../sysdeps/posix/libc_fatal.c:134
#6 0x000074cfaf4a8ff5 in malloc_printerr (
str=str@entry=0x74cfaf5d1ac0 "double free or corruption (out)")
at ./malloc/malloc.c:5775
#7 0x000074cfaf4ab120 in _int_free_merge_chunk (av=0x74cfaf603ac0 <main_arena>,
p=0x58a41bb9dcc0, size=99136) at ./malloc/malloc.c:4676
#8 0x000074cfaf4addce in __GI___libc_free (mem=0x58a41bb9dcd0) at ./malloc/malloc.c:3398
#9 0x000058a3f1e03ca6 in free_char (ch=0x58a41bb9d970) at db.c:3945
#10 0x000058a3f1dfa91f in close_socket (d=d@entry=0x58a41bb9a230) at comm.c:2327
#11 0x000058a3f1dfc373 in game_loop (local_mother_desc=3) at comm.c:965
#12 0x000058a3f1d98282 in init_game (local_port=<optimized out>) at comm.c:559
#13 main (argc=<optimized out>, argv=<optimized out>) at comm.c:356
(gdb)
