[TD-4872]<fix>: fix tasodemo buffer overflow with -O3

2021-06-24 11:36:41 +08:00 · 2021-06-24 11:36:41 +08:00 · ff492acbbf
parent ebd2fdc156
commit ff492acbbf
1 changed files with 1 additions and 1 deletions
--- a/src/kit/taosdemo/taosdemo.c
+++ b/src/kit/taosdemo/taosdemo.c
@ -5103,7 +5103,7 @@ static int32_t generateStbDataTail(
    } else {
        retLen = getRowDataFromSample(
                  data,
-                  remainderBufLen,
+                  remainderBufLen < MAX_DATA_SIZE ? remainderBufLen : MAX_DATA_SIZE,
                  startTime + superTblInfo->timeStampStep * k,
                  superTblInfo,
                  pSamplePos);