=> 0x1f8422 <__kernel_vsyscall+2>:	ret    
   0x1f8423:	add    %ch,(%esi)
   0x1f8425:	jae    0x1f848f
   0x1f8427:	jae    0x1f849d
   0x1f8429:	jb     0x1f849f
   0x1f842b:	popa   
   0x1f842c:	bound  %eax,(%eax)
   0x1f842e:	cs
   0x1f842f:	push   $0x687361
   0x1f8434:	cs
   0x1f8435:	fs
   0x1f8436:	jns    0x1f84a6
   0x1f8438:	jae    0x1f84b3
   0x1f843a:	insl   (%dx),%es:(%edi)
   0x1f843b:	add    %ch,(%esi)
   0x1f843d:	fs