mbind(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x0, &(0x7f0000000000), 0x0, 0x0)
mremap(&(0x7f0000002000/0x3000)=nil, 0x3000, 0x3000, 0x7, &(0x7f0000ffb000/0x3000)=nil)