0x7fdf4961969b : cmp $0xfffffffffffff000,%rax 0x7fdf496196a1 : mov %eax,%edx 0x7fdf496196a3 : ja 0x7fdf496196a8 0x7fdf496196a5 : mov %edx,%eax 0x7fdf496196a7 : retq 0x7fdf496196a8 : mov 0x2088f1(%rip),%rax # 0x7fdf49821fa0 0x7fdf496196af : neg %edx 0x7fdf496196b1 : mov %edx,%fs:(%rax) 0x7fdf496196b4 : mov $0xffffffff,%edx 0x7fdf496196b9 : jmp 0x7fdf496196a5 0x7fdf496196bb: nop 0x7fdf496196bc: nop 0x7fdf496196bd: nop 0x7fdf496196be: nop 0x7fdf496196bf: nop 0x7fdf496196c0 : jmpq 0x7fdf4960fea8 <__libc_system@plt>