r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0, 0x0)
copy_file_range(r1, &(0x7f0000000000), r0, &(0x7f0000000040), 0x0, 0x0)