git-clone: permission denied with Manila storage class

/ko-app/git-init -url=https://github.com/jboss-openshift/openshift-quickstarts.git -revision= -refspec= -path=/workspace/output/maven-run-ksvq5 -sslVerify=true -submodules=true -depth=1 -sparseCheckoutDirectories=
{"level":"warn","ts":1661331311.1979902,"caller":"git/git.go:271","msg":"SSH credentials have been provided but the URL(\"https://github.com/jboss-openshift/openshift-quickstarts.git\") is not a valid SSH URL. This warning can be safely ignored if the URL is for a public repo or you are using basic auth"}
{"level":"error","ts":1661331312.346624,"caller":"git/git.go:55","msg":"Error running git [fetch --recurse-submodules=yes --depth=1 origin --update-head-ok --force ]: exit status 128\nfatal: unable to open .git/objects/pack/tmp_pack_SewNPu: Permission denied\nfatal: fetch-pack: invalid index-pack output\n","stacktrace":"github.com/tektoncd/pipeline/pkg/git.run\n\t/go/src/github.com/tektoncd/pipeline/pkg/git/git.go:55\ngithub.com/tektoncd/pipeline/pkg/git.Fetch\n\t/go/src/github.com/tektoncd/pipeline/pkg/git/git.go:158\nmain.main\n\t/go/src/github.com/tektoncd/pipeline/cmd/git-init/main.go:53\nruntime.main\n\t/usr/lib/golang/src/runtime/proc.go:255"}
{"level":"fatal","ts":1661331312.3467414,"caller":"git-init/main.go:54","msg":"Error fetching git repository: failed to fetch []: exit status 128","stacktrace":"main.main\n\t/go/src/github.com/tektoncd/pipeline/cmd/git-init/main.go:54\nruntime.main\n\t/usr/lib/golang/src/runtime/proc.go:255"}

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: shared-pvc
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi
  storageClassName: csi-manila-ceph
---

apiVersion: tekton.dev/v1beta1
kind: Pipeline
metadata:
  name: maven-pipeline
spec:
  workspaces:
  - name: source
  - name: maven-settings
  tasks:
  - name: clone-git-repo
    taskRef:
      name: git-clone
      kind: ClusterTask
    workspaces:
    - name: output
      workspace: source
    params:
    - name: url
      value: https://github.com/jboss-openshift/openshift-quickstarts.git
    - name: deleteExisting
      value: "true"
    - name: subdirectory
      value: $(context.pipelineRun.name)
  - name: build
    taskRef:
      name: maven
      kind: ClusterTask
    params:
    - name: CONTEXT_DIR
      value: $(context.pipelineRun.name)/undertow-servlet
    runAfter:
    - clone-git-repo
    workspaces:
    - name: source
      workspace: source
    - name: maven-settings
      workspace: maven-settings
---

apiVersion: tekton.dev/v1beta1
kind: PipelineRun
metadata:
  generateName: maven-run-
spec:
  pipelineRef:
    name: maven-pipeline
  timeout: 15m
  workspaces:
  - name: source
    persistentVolumeClaim:
      claimName: shared-pvc
  - name: maven-settings
    configMap:
      name: maven-settings