r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
r1 = syz_init_net_socket$802154_raw(0x24, 0x3, 0x0)
r2 = dup2(r0, r1)
syz_genetlink_get_family_id$tipc2(&(0x7f0000000080), r2)