.
Thread 1 (process 17845):
#0  0x00002b6124eb5620 in strlen () from /lib/libc.so.6
#1  0x00002b6124e857a7 in vfprintf () from /lib/libc.so.6
#2  0x000000000040363e in ?? ()
#3  0x000000000040369a in ?? ()
#4  0x000000000040380c in ?? ()
#5  0x0000000000401b52 in ?? ()
#6  0x00002b6124e5c8e4 in __libc_start_main () from /lib/libc.so.6
#7  0x0000000000401609 in ?? ()
#8  0x00007fff85e87568 in ?? ()
#9  0x0000000000000000 in ?? ()