they give you max another 7 days after cancellation of working permit. When they cancel work permit they not need your passport, but for the voiding at Immigration they need your passport.
Guys we have a rule that only people with real knowledge should post. This is all speculation. If the OP has a multiple entry Non O one year visa he can bounce every border , except POI PET.
The Policies are in place, but we believe that at least the racial profiling will stop, however you still required to to the 24hour report, 90day report, etc.