mlock2(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0)
mremap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000ffc000/0x1000)=nil)
madvise(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x8)