Corpus for mkdir:

Coverage	Program
6617	perf_event_open-ioctl$SECCOMP_IOCTL_NOTIF_RECV-syz_open_procfs-readv-readv-readv-syz_open_procfs-ioctl$FIONREAD-ioctl$AUTOFS_DEV_IOCTL_PROTOVER-getdents-fsetxattr$trusted_overlay_nlink-syz_mount_image$ext4-mkdir-syz_open_dev$tty20-fsetxattr$security_selinux-write$P9_RXATTRCREATE-openat$bsg-mkdir-unshare
3051	perf_event_open-ioctl$SECCOMP_IOCTL_NOTIF_RECV-syz_open_procfs-readv-readv-syz_open_procfs-ioctl$FIONREAD-ioctl$AUTOFS_DEV_IOCTL_PROTOVER-getdents-fsetxattr$trusted_overlay_nlink-syz_mount_image$ext4-mkdir-mount$9p_unix-syz_open_dev$tty20-fsetxattr$security_selinux-write$P9_RXATTRCREATE-openat$bsg-sendfile-mkdir-unshare
2901	mkdir
860	syz_mount_image$ext4-mount-perf_event_open-mkdir