unshare(0x28020600)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x105142, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0)
copy_file_range(r1, 0x0, r0, 0x0, 0x0, 0x0)