mbind(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x1, 0x0, 0x0, 0x0)
mlock(&(0x7f0000ffe000/0x2000)=nil, 0x2000)
mlock(&(0x7f0000ffc000/0x4000)=nil, 0x4000)