From b51cba2601a35207ed640e3a38e998690543d2d6 Mon Sep 17 00:00:00 2001
From: Shuduo Sang <sangshuduo@gmail.com>
Date: Wed, 4 Aug 2021 22:36:48 +0800
Subject: [PATCH] [TD-5790]<fix>: taosdemo memory corrupted. (#7159)

---
 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 d04bb2905f..d98d5bdf0b 100644
--- a/src/kit/taosdemo/taosdemo.c
+++ b/src/kit/taosdemo/taosdemo.c
@@ -5181,7 +5181,7 @@ static int64_t generateStbRowData(
             dataLen += 1;
         }
 
-        if (dataLen > remainderBufLen)
+        if (dataLen > (remainderBufLen - (DOUBLE_BUFF_LEN + 1)))
             return 0;
     }
 
-- 
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