Corpus for fcntl$dupfd:

Coverage	Program
4462	perf_event_open-openat$loop_ctrl-ioctl$LOOP_CTL_GET_FREE-ioctl$LOOP_CTL_REMOVE-perf_event_open-socket$netlink-fcntl$dupfd-fcntl$dupfd-ioctl$LOOP_CTL_REMOVE-sendmsg$nl_generic
3244	syz_mount_image$ext4-syz_mount_image$nfs4-mkdirat-perf_event_open-rename-socket$inet6_udplite-setsockopt$inet6_mreq-socket$inet6_udp-newfstatat-socket$netlink-socket$netlink-setsockopt$netlink_NETLINK_BROADCAST_ERROR-fcntl$dupfd-sendmsg$nl_generic-getsockopt$inet6_udp_int-sendmmsg$inet6
2251	ioctl$F2FS_IOC_WRITE_CHECKPOINT-writev-recvmsg$unix-perf_event_open-syz_mount_image$ext4-mount-write$P9_RREADLINK-fallocate-ioctl$FITRIM-umount2-mq_open-unlinkat-fcntl$dupfd
1185	perf_event_open-syz_mount_image$ext4-mount-syz_mount_image$tmpfs-epoll_create1-ioctl$BTRFS_IOC_GET_SUBVOL_INFO-stat-clock_gettime-socket$nl_xfrm-sendmsg$nl_xfrm-socket$netlink-socket$netlink-close-fcntl$dupfd-setsockopt$netlink_NETLINK_BROADCAST_ERROR
1095	perf_event_open-syz_open_dev$sg-fcntl$dupfd-ioctl$SG_IO
741	socket$nl_xfrm-socket$nl_generic-syz_genetlink_get_family_id$nl80211-open-socket$nl_generic-perf_event_open-socket$netlink-fcntl$dupfd-sendmsg$nl_generic
632	perf_event_open-socket$inet6_udp-setsockopt$inet6_udp_int-connect$inet6-sendmsg$inet-connect$inet6-fcntl$dupfd-sendmsg$inet6-ioctl$sock_ipv6_tunnel_SIOCADDPRL-ioctl$CDROMREADTOCENTRY-syz_io_uring_setup-ioctl$sock_SIOCGIFINDEX-mmap$IORING_OFF_CQ_RING-syz_io_uring_complete-sendmsg$MPTCP_PM_CMD_FLUSH_ADDRS-creat-ioctl$BTRFS_IOC_GET_SUBVOL_INFO-ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF-ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF
269	openat$rtc-ioctl$RTC_UIE_ON-openat$sysfs-perf_event_open-fcntl$dupfd-ioctl$RTC_ALM_SET-openat2$dir-lseek-fdatasync-dup3
144	perf_event_open-socket$inet6_udp-connect$inet6-fcntl$dupfd-write
112	perf_event_open-openat$loop_ctrl-ioctl$FS_IOC_GETFLAGS-ioctl$LOOP_CTL_REMOVE-perf_event_open-socket$netlink-fcntl$dupfd-sendmsg$nl_generic
112	perf_event_open-syz_open_procfs-syz_io_uring_setup-syz_io_uring_submit-syz_io_uring_submit-preadv-syz_io_uring_setup-ioctl$EXT4_IOC_GROUP_EXTEND-fcntl$dupfd-faccessat2-openat-dup3-ioctl$int_in-socket$netlink-syz_io_uring_submit-openat-syz_init_net_socket$bt_l2cap-connect$bt_l2cap-sendfile
87	prlimit64-socket$unix-perf_event_open-socket$netlink-fcntl$dupfd