Merge pull request #8386 from zl03jsj/fix/dead_loop_on_remove_sector

fix: miner: dead loop on removing sector

extern/storage-sealing/fsm.go

@@ -320,7 +320,7 @@ var fsmPlanners = map[SectorState]func(events []statemachine.Event, state *Secto
 	FaultReported: final, // not really supported right now
 
 	FaultedFinal: final,
-	Removed:      final,
+	Removed:      finalRemoved,
 
 	FailedUnrecoverable: final,
 }
@@ -694,6 +694,12 @@ func (m *Sealing) ForceSectorState(ctx context.Context, id abi.SectorNumber, sta
 	return m.sectors.Send(id, SectorForceState{state})
 }
 
+// as sector has been removed, it's no needs to care about later events,
+// just returns length of events as `processed` is ok.
+func finalRemoved(events []statemachine.Event, state *SectorInfo) (uint64, error) {
+	return uint64(len(events)), nil
+}
+
 func final(events []statemachine.Event, state *SectorInfo) (uint64, error) {
 	if len(events) > 0 {
 		if gm, ok := events[0].User.(globalMutator); ok {