Corpus for mkdir:

Coverage	Program
4584	perf_event_open-socket$inet6_udp-setsockopt$inet6_udp_int-connect$inet6-sendmsg$inet-fcntl$dupfd-sendmsg$inet6-write-syz_open_procfs-readv-syz_open_procfs-syz_mount_image$ext4-mount$9p_unix-syz_mount_image$tmpfs-openat-mkdir-mount$bind-umount2-openat$dir-syz_open_procfs
4210	perf_event_open-syz_mount_image$ext4-openat$cgroup_subtree-getsockopt$inet_mreq-pkey_mprotect-setsockopt$inet6_tcp_TCP_FASTOPEN_KEY-ioctl$AUTOFS_DEV_IOCTL_CLOSEMOUNT-mount-syz_mount_image$ext4-syz_mount_image$tmpfs-mkdir-syz_open_dev$vcsn-timerfd_create-mount$bind-mount$9p_unix
3136	mkdir-inotify_init1-inotify_add_watch-syz_open_procfs-pread64
1719	syz_mount_image$ext4-mount-mkdir