public boolean hasNext() {
      while (!checkNotNull(iterator).hasNext()) {
        // this weird checkNotNull positioning appears required by our tests, which expect
        // both hasNext and next to throw NPE if an input iterator is null.

        topMetaIterator = getTopMetaIterator();
        if (topMetaIterator == null) {
          return false;
        }

        iterator = topMetaIterator.next();

- Fix CVE-2020-8555 for Gluster client connections. ([#97922](https://github.com/kubernetes/kubernetes/pull/97922), [@liggitt](https://github.com/liggitt)) [SIG Storage]
- Fix NPE in ephemeral storage eviction ([#98261](https://github.com/kubernetes/kubernetes/pull/98261), [@wzshiming](https://github.com/wzshiming)) [SIG Node]