Github user anmolnar commented on the issue:
https://github.com/apache/zookeeper/pull/628
@enixon @hanm I think that's the same `free()` issue. My feeling is that
it must be somewhere in test cleanup section (if there's any) when it tries to
free some resource twice.
The that I previously submitted was unrelated and I closed the PR without
merging it. So, the issue is still open.---
