=> 0x7fc918abbc67 : mov 0x108(%rsp),%rcx 0x7fc918abbc6f : xor %fs:0x28,%rcx 0x7fc918abbc78 : mov %r8d,%eax 0x7fc918abbc7b : jne 0x7fc918abbc9c 0x7fc918abbc7d : add $0x118,%rsp 0x7fc918abbc84 : retq 0x7fc918abbc85 : nopl (%rax) 0x7fc918abbc88 : mov 0x9309(%rip),%rdx # 0x7fc918ac4f98 0x7fc918abbc8f : neg %eax 0x7fc918abbc91 : mov $0xffffffff,%r8d 0x7fc918abbc97 : mov %eax,%fs:(%rdx) 0x7fc918abbc9a : jmp 0x7fc918abbc50 0x7fc918abbc9c : callq 0x7fc918aaf160 <__stack_chk_fail@plt> 0x7fc918abbca1: nopw %cs:0x0(%rax,%rax,1) 0x7fc918abbcab: nopl 0x0(%rax,%rax,1) 0x7fc918abbcb0 : jmpq 0x7fc918aaf170 <__libc_system@plt>