r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x121042, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x105142, 0x0)
r2 = openat(0xffffffffffffffff, &(0x7f0000000280)='/proc/self/exe\x00', 0x0, 0x0)
sendfile(r1, r2, 0x0, 0x100000001)
r3 = openat(0xffffffffffffffff, &(0x7f0000000280)='/proc/self/exe\x00', 0x0, 0x0)
sendfile(r0, r3, 0x0, 0x100000001)