Corpus for openat$loop_ctrl:

Coverage	Program
4358	perf_event_open-socket$netlink-dup2-accept4$bt_l2cap-setsockopt$SO_TIMESTAMP-openat$loop_ctrl-ioctl$LOOP_CTL_GET_FREE-accept-ioctl$LOOP_CTL_REMOVE-ioctl$LOOP_CTL_REMOVE-ioctl$LOOP_CTL_REMOVE-syz_io_uring_setup-syz_genetlink_get_family_id$nl80211-write$binfmt_script-socket$inet_icmp_raw-sendmsg$NL80211_CMD_GET_MPP-setsockopt$IP_VS_SO_SET_ADDDEST
1845	socket$inet6_udp-setsockopt$inet6_tcp_TCP_REPAIR_OPTIONS-connect$inet6-perf_event_open-bind$packet-socket$packet-setsockopt$SO_TIMESTAMP-openat$loop_ctrl-dup3-dup3-setsockopt$sock_void