Corpus for setsockopt$bt_BT_RCVMTU:

Coverage	Program
130	perf_event_open-syz_init_net_socket$bt_l2cap-bind$bt_l2cap-dup-setsockopt$bt_BT_RCVMTU
100	socket$inet6_udp-perf_event_open-syz_init_net_socket$bt_l2cap-dup-setsockopt$bt_BT_RCVMTU-getsockopt$bt_BT_CHANNEL_POLICY