madvise(&(0x7f0000870000/0x4000)=nil, 0x4000, 0x17)
mremap(&(0x7f0000871000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000ffd000/0x1000)=nil)
madvise(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x14)
mbind(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0, 0x0, 0x0, 0x3)