Invalid code! Try again. If you guess correctly you get:
0x555555555580 0x7fffffffde10 0x555555554b40 0x555555554b88 ... The pointer ( 0x555555554b40 ) matches the address of the saved RIP (confirmed by comparing to gdb ’s info frame ). https- bit.ly crackfire
from pwn import *
%p %p %p %p %p %p produces: