Corpus for dup2:

Coverage	Program
3510	creat-perf_event_open-openat-dup2
2132	perf_event_open-socket$inet6_tcp-setsockopt$inet6_tcp_int-ioctl$AUTOFS_DEV_IOCTL_ASKUMOUNT-mlock2-bind$inet6-mmap-creat-socket$inet6_udplite-dup2-fcntl$dupfd-connect$inet6-connect$inet6-sendmsg$inet6-ioctl$sock_SIOCGPGRP-perf_event_open-openat-mmap
1649	syz_open_procfs-syz_open_dev$vcsn-dup2
1318	socket$inet6_udp-connect$inet6-sendmmsg$inet6-socket$inet_icmp_raw-dup2
1221	perf_event_open-socket$nl_netfilter-dup2
960	openat$sr-setxattr$security_evm-perf_event_open-openat$procfs-unshare-fspick-dup2
749	syz_init_net_socket$bt_hci-bind$bt_hci-socket$inet6_udplite-dup2
698	socket$inet6_udplite-setsockopt$inet6_udp_encap-openat$autofs-socket$inet6_udplite-dup2
619	perf_event_open-openat$snapshot-socket$netlink-dup2
596	socket$packet-setsockopt$packet_fanout-socket$packet-setsockopt$packet_fanout-dup2
395	openat$selinux_attr-openat$sndtimer-ioctl$SNDRV_TIMER_IOCTL_SELECT-dup2
358	syz_init_net_socket$bt_hci-socket$netlink-dup2
216	syz_open_procfs-socket$inet_tcp-dup2
196	syz_open_procfs-openat$vga_arbiter-dup2
47	clone3-pipe-setsockopt$inet6_IPV6_XFRM_POLICY-socket$inet6_tcp-pkey_mprotect-pkey_mprotect-mmap$IORING_OFF_CQ_RING-io_uring_register$IORING_REGISTER_PERSONALITY-perf_event_open-dup2-setsockopt$inet6_IPV6_XFRM_POLICY
39	dup2-socket$nl_generic-dup-openat-openat-sendmsg$NL80211_CMD_DEL_TX_TS-sendmsg$nl_generic-ioctl$SCSI_IOCTL_PROBE_HOST-dup-socket$inet6_udp-perf_event_open-socket$nl_generic-sendmsg$nl_generic