virtctl 上传一个 iso 文件报错求助

# 建 pv 写法大致如下
cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: PersistentVolume
metadata:
  name: pv001scratch4
spec:
  accessModes:
    - ReadWriteOnce
  capacity:
    storage: 10Gi
  hostPath:
    path: /data/pv001scratch4/
EOF

# 建 dv 写法大致如下
cat <<EOF |  kubectl apply -f -
apiVersion: cdi.kubevirt.io/v1beta1
kind: DataVolume
metadata:
  name: upload
spec:
  source:
      upload: {}
  pvc:
    accessModes:
      - ReadWriteMany
    resources:
      requests:
        storage: 6Gi
EOF

# dv pv 等 ready
[root@k8s1 data]# kubectl get dv,pvc,pv
NAME                                  PHASE         PROGRESS   RESTARTS   AGE
datavolume.cdi.kubevirt.io/upload     UploadReady   N/A                   4m32s

NAME                                                                           STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS      AGE
persistentvolumeclaim/upload                                                   Bound    pv-ww-win10                                10Gi       RWX                              4m32s
persistentvolumeclaim/upload-scratch                                           Bound    pv001scratch4                              10Gi       RWO                              4m32s

persistentvolume/pv001scratch4                              10Gi       RWO            Retain           Bound       default/upload-scratch                                                                      4m3s
persistentvolume/pv-ww-win10                                10Gi       RWX            Retain           Bound       default/upload                                                                              59m

# 执行权限错误，试过镜像文件，宿主机赋权限都没用
virtctl image-upload dv upload --no-create --image-path=/home/w/win10.iso --insecure --uploadproxy-url=https://10.96.3.216

Using existing PVC default/upload
Uploading data to https://10.96.3.216

 576.00 KiB / 4.95 GiB [>-----------------------------------------------------------------------------------------------------------------------------------------------------------------------]   0.01% 0s

unexpected return value 500, Saving stream failed: Unable to transfer source data to target file: could not open file "/data/disk.img": open /data/disk.img: permission denied

求懂的同志指教，感谢