r0 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file1\x00', 0x105142, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0)
copy_file_range(r1, 0x0, r0, 0x0, 0x10001, 0x0)
unlink(&(0x7f0000000040)='./file1\x00')
ftruncate(r0, 0x0)