r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
shutdown(r0, 0x0)
recvmmsg(r0, &(0x7f0000002ac0)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x2, 0x0, 0x0)