condor: condor_startd DoS when parsing policy definition that evaluates to ERROR or UNDEFINED

The policy definition evaluator in Condor 7.5.4, 8.0.0, and earlier does not properly handle attributes in a 1 PREEMPT, 2 SUSPEND, 3 CONTINUE, 4 WANTVACATE, or 5 KILL policy that evaluate to an Unconfigured, Undefined, or Error state, which allows remote authenticated users to cause a denial of...