Corpus for open$dir:
Coverage Program
4838 syz_mount_image$vfat-openat-perf_event_open-openat-open$dir-sendfile-mq_timedsend-openat-copy_file_range-ftruncate-ioctl$FS_IOC_FSSETXATTR-ioctl$CDROM_SELECT_DISK-openat$hwrng-fcntl$notify
3902 perf_event_open-syz_mount_image$ext4-ioctl$sock_SIOCGIFINDEX_802154-ioctl$TUNSETPERSIST-mkdirat-syz_init_net_socket$nl_generic-openat-syz_io_uring_complete-open$dir-openat-mount$9p_fd-write$binfmt_elf64
3422 syz_mount_image$ext4-mount-open$dir-lseek
574 mknod$loop-open$dir-openat$dir