fix(stream): memory leak

source/dnode/vnode/src/tq/tq.c

@@ -1269,6 +1269,7 @@ int32_t tqProcessDelReq(STQ* pTq, void* pReq, int32_t len, int64_t ver) {
       if (streamTaskInput(pTask, (SStreamQueueItem*)pRefBlock) < 0) {
         qError("stream task input del failed, task id %d", pTask->taskId);
 
+        atomic_sub_fetch_32(pRef, 1);
         taosFreeQitem(pRefBlock);
         continue;
       }
@@ -1286,7 +1287,7 @@ int32_t tqProcessDelReq(STQ* pTq, void* pReq, int32_t len, int64_t ver) {
   int32_t ref = atomic_sub_fetch_32(pRef, 1);
   ASSERT(ref >= 0);
   if (ref == 0) {
-    taosMemoryFree(pDelBlock);
+    blockDataDestroy(pDelBlock);
     taosMemoryFree(pRef);
   }