From b442df747c9936a68e1786aae71a32ec3bc10ec7 Mon Sep 17 00:00:00 2001
From: Shuduo Sang <sangshuduo@gmail.com>
Date: Sat, 28 Mar 2020 11:57:17 +0800
Subject: [PATCH] fix use after free pSql.

---
 src/client/src/tscAsync.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/client/src/tscAsync.c b/src/client/src/tscAsync.c
index 9a85fbf8f6..34ecc25c59 100644
--- a/src/client/src/tscAsync.c
+++ b/src/client/src/tscAsync.c
@@ -347,8 +347,8 @@ void tscProcessAsyncRes(SSchedMsg *pMsg) {
   (*pSql->fp)(pSql->param, taosres, code);
 
   if (shouldFree) {
-    tscFreeSqlObj(pSql);
     tscTrace("%p Async sql is automatically freed in async res", pSql);
+    tscFreeSqlObj(pSql);
   }
 }
 
-- 
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