Program received signal SIGSEGV, Segmentation fault.
0x0804a173 in open_listen_socket (listen_address=0x804a6e0 "tcp:0.0.0.0:12345") at interface.c:213
213       *addr = '\0';
(gdb) print 0x804a6e0
$1 = 134522592
(gdb) print listen_address
$2 = 0x804a6e0 "tcp:0.0.0.0:12345"
(gdb) print addr
$3 = 0x804a6e3 ":0.0.0.0:12345"