r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
recvmmsg(r0, &(0x7f0000006340)=[{{0x0, 0x0, &(0x7f0000004780)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x9}}], 0x1, 0x0, 0x0)