r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, @fixed, 0x0, 0x1}, 0xe) r1 = dup2(r0, r0) listen(r1, 0x0)