madvise(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0xa)
mbind(&(0x7f0000ffb000/0x1000)=nil, 0x1000, 0x2, &(0x7f0000000000)=0x7fffffff, 0xff, 0x0)
mlock2(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0)