mlock2(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x1)
mbind(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x0, &(0x7f0000000000), 0x0, 0x0)
munlock(&(0x7f0000ffb000/0x2000)=nil, 0x2000)