Another example here, Google forked a GCS fuse driver and the author found out later and posted on HN about it: https://news.ycombinator.com/item?id=35790223

Edit: apparently Google did not use the author's codebase, instead using an Apache 2.0 licensed codebase [1] explained here [2].

[1]: https://github.com/kubernetes-sigs/gcp-filestore-csi-driver

[2]: https://news.ycombinator.com/item?id=35863944