r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x8a2c2, 0x0)
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x0, 0x1f012, r0, 0x0)
futex(0x0, 0x8, 0x0, 0x0, 0x0, 0x0)