=> 0x7f13d1899d7f:	mov    0x10(%r14),%r8
   0x7f13d1899d83:	mov    %r14,%rax
   0x7f13d1899d86:	lea    0x8(%rsi),%rcx
   0x7f13d1899d8a:	cmpl   $0x0,%fs:0x18
   0x7f13d1899d93:	je     0x7f13d1899d96
   0x7f13d1899d95:	lock cmpxchg %r8,0x8(%rsi)
   0x7f13d1899d9b:	cmp    %rax,%r14
   0x7f13d1899d9e:	mov    %rax,%rdx
   0x7f13d1899da1:	jne    0x7f13d1899dab
   0x7f13d1899da3:	jmp    0x7f13d1899dcf
   0x7f13d1899da5:	nopl   (%rax)
   0x7f13d1899da8:	mov    %rax,%rdx
   0x7f13d1899dab:	test   %rdx,%rdx
   0x7f13d1899dae:	je     0x7f13d1899e08
   0x7f13d1899db0:	mov    0x10(%rdx),%rsi
   0x7f13d1899db4:	mov    %rdx,%rax