Corpus for fcntl$dupfd:

Coverage	Program
5043	seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_open_procfs-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$ieee802154-sendmsg$IEEE802154_ADD_IFACE-syz_init_net_socket$bt_hci-bind$bt_hci-fcntl$dupfd-ioctl$sock_bt_hci
2242	perf_event_open-socket$unix-bind$unix-fcntl$dupfd-connect$unix
2158	syz_init_net_socket$bt_hci-syz_open_dev$vcsa-fcntl$dupfd
1605	perf_event_open-syz_io_uring_setup-fcntl$dupfd-io_uring_register$IORING_REGISTER_BUFFERS
137	creat-fcntl$dupfd
114	perf_event_open-fcntl$dupfd
73	perf_event_open-fcntl$dupfd