diff --git a/cmd/kubeadm/app/util/runtime/runtime.go b/cmd/kubeadm/app/util/runtime/runtime.go index 3f833e9b6de..fa66a323d7d 100644 --- a/cmd/kubeadm/app/util/runtime/runtime.go +++ b/cmd/kubeadm/app/util/runtime/runtime.go @@ -293,5 +293,9 @@ func (runtime *CRIRuntime) SandboxImage() (string, error) { return "", errors.Wrap(err, "failed to unmarshal CRI info config") } + if c.SandboxImage == "" { + return "", errors.New("no 'sandboxImage' field in CRI info config") + } + return c.SandboxImage, nil }