From 6b327886e9a318e5d7a2c4df9e6bdefdbbd68d62 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Sun, 27 Aug 2023 00:27:04 +0800
Subject: [PATCH] fix(stream): add null ptr check.

---
 source/dnode/vnode/src/tq/tq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index aed1588a3a..5733d06770 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -1844,7 +1844,7 @@ int32_t tqProcessTaskUpdateReq(STQ* pTq, SRpcMsg* pMsg) {
   int64_t       keys[2] = {req.streamId, req.taskId};
   SStreamTask** ppTask = (SStreamTask**)taosHashGet(pMeta->pTasks, keys, sizeof(keys));
 
-  if (*ppTask == NULL) {
+  if (ppTask == NULL || *ppTask == NULL) {
     tqError("vgId:%d failed to acquire task:0x%x when handling update, it may have been dropped already", pMeta->vgId,
             req.taskId);
     rsp.code = TSDB_CODE_SUCCESS;