#0  __GI_____strtol_l_internal (nptr=0x0, endptr=endptr@entry=0x0, base=base@entry=10, group=group@entry=0, loc=0x7ffff7546400 <_nl_global_locale>) at ../stdlib/strtol_l.c:293
#1  0x00007ffff71e4c82 in __strtol (nptr=<optimized out>, endptr=endptr@entry=0x0, base=base@entry=10) at ../stdlib/strtol.c:106
#2  0x00007ffff444c329 in atoi (__nptr=<optimized out>) at /usr/include/stdlib.h:241
#3  init_socket (loc_idx=<optimized out>) at socket_collector.c:325
#4  0x00007ffff444c933 in load_module (config=<optimized out>) at socket_collector.c:538
#5  0x0000555555559bd6 in register_module (resource_name=<optimized out>, config=config@entry=0x0, global=global@entry=false) at modules.c:132
#6  0x0000555555559e4a in register_modules (tree=<optimized out>) at modules.c:220
#7  0x0000555555557229 in main (argc=3, argv=0x7fffffffe988) at captagent.c:312