r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
r1 = dup2(r0, r0)
sendmsg$TIPC_NL_NODE_GET(r1, &(0x7f0000001200)={0x0, 0x0, &(0x7f00000011c0)={0x0, 0xf0ff7f}}, 0x0)