Corpus for pipe2:

Coverage	Program
4396	openat-perf_event_open-openat$sr-mmap-openat-pipe2-ioctl$EXT4_IOC_GROUP_EXTEND-ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS-io_uring_register$IORING_REGISTER_PERSONALITY-sendmsg$TIPC_CMD_RESET_LINK_STATS-mmap
2847	perf_event_open-openat-openat-prlimit64-pipe2
2294	openat-perf_event_open-openat$sr-mmap-pipe2-ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS-io_uring_register$IORING_REGISTER_PERSONALITY-mmap
565	pipe2
556	perf_event_open-pipe2