=> 0x7fbb7a5dd8b0 <free+64>:	mov    (%rax),%rbx
   0x7fbb7a5dd8b3 <free+67>:	mov    $0x1,%esi
   0x7fbb7a5dd8b8 <free+72>:	xor    %eax,%eax
   0x7fbb7a5dd8ba <free+74>:	cmpl   $0x0,0x327927(%rip)        # 0x7fbb7a9051e8
   0x7fbb7a5dd8c1 <free+81>:	je     0x7fbb7a5dd8cf <free+95>
   0x7fbb7a5dd8c3 <free+83>:	lock cmpxchg %esi,(%rbx)
   0x7fbb7a5dd8c7 <free+87>:	jne    0x7fbb7a5df800
   0x7fbb7a5dd8cd <free+93>:	jmp    0x7fbb7a5dd8d8 <free+104>
   0x7fbb7a5dd8cf <free+95>:	cmpxchg %esi,(%rbx)
   0x7fbb7a5dd8d2 <free+98>:	jne    0x7fbb7a5df800
   0x7fbb7a5dd8d8 <free+104>:	mov    %r8,%rsi
   0x7fbb7a5dd8db <free+107>:	mov    %rbx,%rdi
   0x7fbb7a5dd8de <free+110>:	callq  0x7fbb7a5d9200
   0x7fbb7a5dd8e3 <free+115>:	cmpl   $0x0,0x3278fe(%rip)        # 0x7fbb7a9051e8
   0x7fbb7a5dd8ea <free+122>:	je     0x7fbb7a5dd8f7 <free+135>
   0x7fbb7a5dd8ec <free+124>:	lock decl (%rbx)