From 3e62ea504108980d19062ef4fde68ce2614de02e Mon Sep 17 00:00:00 2001
From: Shuduo Sang <sangshuduo@gmail.com>
Date: Thu, 5 Aug 2021 09:54:31 +0800
Subject: [PATCH] [TD-5790]<fix>: taosdemo memory corrupted. (#7170)

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

diff --git a/src/kit/taosdemo/taosdemo.c b/src/kit/taosdemo/taosdemo.c
index f9fe66f466..ba98fa395b 100644
--- a/src/kit/taosdemo/taosdemo.c
+++ b/src/kit/taosdemo/taosdemo.c
@@ -5182,7 +5182,7 @@ static int64_t generateStbRowData(
             dataLen += 1;
         }
 
-        if (dataLen > remainderBufLen)
+        if (dataLen > (remainderBufLen - (DOUBLE_BUFF_LEN + 1)))
             return 0;
     }