mlock2(&(0x7f0000003000/0x2000)=nil, 0x2000, 0x1)
mbind(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, &(0x7f0000000000), 0x0, 0x0)
munlock(&(0x7f0000002000/0x3000)=nil, 0x3000)