Take ITERATING_ALWAYS into account when setting failed state in PlayIterator

Fixes #15963

lib/ansible/executor/play_iterator.py

@@ -502,6 +502,8 @@ class PlayIterator:
         elif state.fail_state != self.FAILED_NONE:
             if state.run_state == self.ITERATING_RESCUE and state.fail_state&self.FAILED_RESCUE == 0:
                 return False
+            elif state.run_state == self.ITERATING_ALWAYS and state.fail_state&self.FAILED_ALWAYS == 0:
+                return False
             else:
                 return True
         elif state.run_state == self.ITERATING_TASKS and self._check_failed_state(state.tasks_child_state):

lib/ansible/plugins/strategy/linear.py

@@ -70,9 +70,12 @@ class StrategyModule(StrategyBase):
                              if state_task and state_task[1]]
 
         if host_tasks_to_run:
+            try:
                 lowest_cur_block = min(
                     (s.cur_block for h, (s, t) in host_tasks_to_run
                     if s.run_state != PlayIterator.ITERATING_COMPLETE))
+            except ValueError:
+                lowest_cur_block = None
         else:
             # empty host_tasks_to_run will just run till the end of the function
             # without ever touching lowest_cur_block