[TD-5790]<fix>: taosdemo memory corrupted. (#7169)

fd891ad0 · sangshuduo · GitHub · d5adb474 · fd891ad0
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src/kit/taosdemo/taosdemo.c src/kit/taosdemo/taosdemo.c +1 -1

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--- a/src/kit/taosdemo/taosdemo.c
+++ b/src/kit/taosdemo/taosdemo.c
@@ -5183,7 +5183,7 @@ static int64_t generateStbRowData(
            dataLen += 1;
        }

-        if (dataLen > remainderBufLen)
+        if (dataLen > (remainderBufLen - (DOUBLE_BUFF_LEN + 1)))
            return 0;
    }