Program received signal SIGSEGV, Segmentation fault.
0x00007ffff6417cb3 in vfprintf () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) where
#0  0x00007ffff6417cb3 in vfprintf () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff64d60c5 in __vsnprintf_chk ()
   from /lib/x86_64-linux-gnu/libc.so.6
#2  0x000000000046bf03 in vsnprintf (__ap=0x7fffffffc988,
    __fmt=0x68e568 "%s %s", __n=512,
    __s=0x8d8f00 <conoutfv(int, char const*, __va_list_tag*)::buf> "clients: 1/374\nOR (null):(null)\nith multiple players simultaneously.\n ")
    at /usr/include/x86_64-linux-gnu/bits/stdio2.h:78
#3  vformatstring (len=512, v=0x7fffffffc988, fmt=0x68e568 "%s %s",
    d=0x8d8f00 <conoutfv(int, char const*, __va_list_tag*)::buf> "clients: 1/374\nOR (null):(null)\nith multiple players simultaneously.\n ")
    at shared/tools.h:132
#4  conoutfv (args=0x7fffffffc988, fmt=0x68e568 "%s %s", type=1)
    at engine/console.cpp:31
#5  conoutf (fmt=fmt@entry=0x68e568 "%s %s") at engine/console.cpp:41
#6  0x000000000060cc5a in game::processservinfo () at fpsgame/extserver.h:134
#7  0x0000000000633a1d in game::updateworld () at fpsgame/fps.cpp:627
#8  0x000000000040e34d in main (argc=<optimized out>, argv=<optimized out>)
    at engine/main.cpp:1240