Corpus for pipe2:

Coverage	Program
1762	perf_event_open-prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-semget$private-semctl$GETNCNT-mkdirat$cgroup_root-creat-semctl$GETALL-ioctl$PERF_EVENT_IOC_PERIOD-write-openat$bsg-semget-accept4$packet-ioctl$sock_SIOCGIFINDEX-semget$private-semctl$SEM_STAT-semget$private-semctl$GETNCNT-semctl$SEM_INFO-pipe2-mount$9p_fd
1574	perf_event_open-prlimit64-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-pipe2
816	io_uring_setup-eventfd2-io_uring_register$IORING_REGISTER_EVENTFD_ASYNC-io_uring_register$IORING_UNREGISTER_EVENTFD-pipe2
815	perf_event_open-pipe2-openat$zero-creat-write-openat$dir-sendfile-syz_mount_image$nfs4-sendmsg$netlink
782	pipe2
768	pipe2
684	pipe2
639	ioctl$BTRFS_IOC_SPACE_INFO-pipe2
468	perf_event_open-pipe2-ioctl$sock_inet6_tcp_SIOCINQ
352	pipe2