r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1)
r1 = openat(0xffffffffffffffff, &(0x7f0000000280)='/proc/self/exe\x00', 0x0, 0x0)
sendfile(r0, r1, 0x0, 0xfffffffd)