=> 0x7f405bb3d727 : mov 0x108(%rsp),%rcx 0x7f405bb3d72f : xor %fs:0x28,%rcx 0x7f405bb3d738 : mov %r8d,%eax 0x7f405bb3d73b : jne 0x7f405bb3d75c 0x7f405bb3d73d : add $0x118,%rsp 0x7f405bb3d744 : retq 0x7f405bb3d745 : nopl (%rax) 0x7f405bb3d748 : mov 0x207851(%rip),%rdx # 0x7f405bd44fa0 0x7f405bb3d74f : neg %eax 0x7f405bb3d751 : mov $0xffffffff,%r8d 0x7f405bb3d757 : mov %eax,%fs:(%rdx) 0x7f405bb3d75a : jmp 0x7f405bb3d710 0x7f405bb3d75c : callq 0x7f405bb307d0 <__stack_chk_fail@plt> 0x7f405bb3d761: nopw %cs:0x0(%rax,%rax,1) 0x7f405bb3d76b: nopl 0x0(%rax,%rax,1) 0x7f405bb3d770 : jmpq 0x7f405bb307e0 <__libc_system@plt>