collectiveidea/audited — pull request #141 by aduraj (2013-05-10 20:03:07+00:00)
Title: Sweeper code isn't thread-safe.

Sweeper is a singleton so its @controller variable may be changed or nullified by a different thread before the before_create method is called on an audit instance.
It results in an audit with wrong user and remote_address being created.