Corpus for fcntl$dupfd:

Coverage	Program
9012	syz_io_uring_setup-perf_event_open-socket$netlink-ioctl$FIOCLEX-sendmsg$nl_generic-perf_event_open-ioctl$TUNATTACHFILTER-ioctl$PERF_EVENT_IOC_SET_OUTPUT-fsetxattr$security_selinux-socket$nl_generic-socket$inet-getsockname-sendmsg$NL80211_CMD_ADD_NAN_FUNCTION-fcntl$dupfd-perf_event_open-sendmsg$NL80211_CMD_LEAVE_MESH-ioctl$sock_SIOCGIFINDEX_80211-syz_80211_join_ibss-syz_mount_image$ext4
6197	socket$inet6_tcp-bind$inet6-connect$inet6-setsockopt$sock_timeval-socket$inet6_icmp-sendmsg$inet6-ioctl$SECCOMP_IOCTL_NOTIF_RECV-ioctl$MON_IOCT_RING_SIZE-ioctl$FS_IOC_FSGETXATTR-sendmsg$inet6-syz_open_dev$tty20-perf_event_open-socket$netlink-fcntl$dupfd-recvfrom$inet6
4738	openat-mmap$IORING_OFF_SQ_RING-creat-write$binfmt_elf64-syz_io_uring_complete-socket$inet6_icmp_raw-syz_io_uring_submit-mmap$IORING_OFF_SQ_RING-mmap$IORING_OFF_CQ_RING-syz_io_uring_submit-syz_io_uring_setup-io_uring_register$IORING_REGISTER_PERSONALITY-io_uring_register$IORING_UNREGISTER_PERSONALITY-syz_io_uring_setup-io_uring_register$IORING_REGISTER_PERSONALITY-syz_io_uring_submit-syz_io_uring_submit-perf_event_open-ioctl$EXT4_IOC_SWAP_BOOT-fcntl$dupfd
3494	openat$incfs-syz_open_dev$mouse-io_submit-ioctl$AUTOFS_DEV_IOCTL_EXPIRE-ioctl$BTRFS_IOC_DEFAULT_SUBVOL-perf_event_open-syz_open_dev$sg-fcntl$dupfd-ioctl$SG_IO-syz_init_net_socket$802154_raw-ioctl$F2FS_IOC_START_VOLATILE_WRITE-openat$procfs-ioctl$TUNSETVNETLE-syz_io_uring_setup-socket$netlink-fcntl$dupfd-dup
113	creat-openat$vcsu-fcntl$dupfd
87	setrlimit-syz_init_net_socket$bt_l2cap-fcntl$dupfd