mlock2(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x0)
mlock2(&(0x7f0000fef000/0x1000)=nil, 0x1000, 0x1)
mlock2(&(0x7f0000fed000/0x12000)=nil, 0x12000, 0x0)