mbind(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x1, 0x0, 0x0, 0x0)
mbind(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x2, &(0x7f0000000000)=0x8000060f, 0x1f, 0x0)