From 077058d6124981a26a3a5c38b3e0c1324751983e Mon Sep 17 00:00:00 2001
From: root <314218900@qq.com>
Date: Sat, 11 Jun 2022 11:26:33 +0800
Subject: [PATCH] fix: taosBenchmark subscribe crash #12434

---
 src/client/src/tscUtil.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 0e0f604643..11b51f97bd 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -4192,9 +4192,19 @@ static void tscSubqueryCompleteCallback(void* param, TAOS_RES* tres, int code) {
 
 int32_t doInitSubState(SSqlObj* pSql, int32_t numOfSubqueries) {
   //bug fix. Above doInitSubState level, the loop invocation with the same SSqlObj will be fail.
-  //assert(pSql->subState.numOfSub == 0 && pSql->pSubs == NULL && pSql->subState.states == NULL);
+  //assert(pSql->subState.numOfSub == 0 && pSql->pSubs == NULL && pSql->subState.states == NULL);  
+  if(pSql->pSubs) {
+    free(pSql->pSubs);
+    pSql->pSubs = NULL;
+  }
+  
+  if(pSql->subState.states) {
+    free(pSql->subState.states);
+    pSql->subState.states = NULL;
+  }
+  
   pSql->subState.numOfSub = numOfSubqueries;
-
+  
   pSql->pSubs = calloc(pSql->subState.numOfSub, POINTER_BYTES);
   pSql->subState.states = calloc(pSql->subState.numOfSub, sizeof(int8_t));
 
-- 
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