Corpus for fcntl$dupfd:

Coverage	Program
2939	perf_event_open-openat$sndseq-openat$sndseq-ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE-ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS-ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO-fcntl$dupfd-ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE-ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS-syz_io_uring_setup-dup3-socket$nl_route-fcntl$dupfd-fork-ioctl$BTRFS_IOC_SNAP_CREATE_V2-socket$nl_xfrm-setsockopt$SO_ATTACH_FILTER
83	socket$inet_icmp_raw-socket$inet_icmp_raw-socket$inet_icmp_raw-prlimit64-socket$netlink-fcntl$dupfd
45	fcntl$dupfd