r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2)
recvmmsg(r0, &(0x7f0000005280)=[{{0x0, 0x0, &(0x7f00000025c0)=[{0x0}, {0x0}], 0x2}}], 0x1, 0x40012000, 0x0)