mbind(&(0x7f0000ff4000/0x4000)=nil, 0x4000, 0x1, 0x0, 0x0, 0x0)
mbind(&(0x7f0000ff3000/0x3000)=nil, 0x3000, 0x1, &(0x7f0000000000), 0x2, 0x0)