r0 = socket$inet(0x2, 0x3, 0x1)
mmap(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0, 0x12, r0, 0x0)
madvise(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0)