From 96cfd3f954ca7519ec9d20727eb25c7d53f49f5f Mon Sep 17 00:00:00 2001
From: dapan1121 <89396746@qq.com>
Date: Tue, 30 Mar 2021 19:03:59 +0800
Subject: [PATCH] fix double free issue

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

diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 0f5e607e22..858be75911 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -2187,6 +2187,8 @@ SSqlObj* createSubqueryObj(SSqlObj* pSql, int16_t tableIndex, __async_cb_func_t
   pnCmd->tagData.data = NULL;
   pnCmd->tagData.dataLen = 0;
 
+  pnCmd->pUdfInfo = taosArrayDup(pCmd->pUdfInfo);
+
   if (tscAddSubqueryInfo(pnCmd) != TSDB_CODE_SUCCESS) {
     terrno = TSDB_CODE_TSC_OUT_OF_MEMORY;
     goto _error;
-- 
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