Corpus for openat$loop_ctrl:

Coverage	Program
651	perf_event_open-socket$netlink-dup2-bind$inet6-openat$loop_ctrl-ioctl$LOOP_CTL_GET_FREE-ioctl$LOOP_CTL_REMOVE-ioctl$LOOP_CTL_REMOVE-syz_io_uring_setup-socket$inet-io_uring_enter-openat-write$tun-connect$inet6-bind$802154_dgram-setsockopt$IP_VS_SO_SET_ADDDEST-syz_io_uring_submit-ioctl$sock_SIOCGIFINDEX-socket$inet_udp