mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x2, 0xa031, 0xffffffffffffffff, 0x0)
munlock(&(0x7f0000ffb000/0x3000)=nil, 0x3000)
madvise(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x4)