From a370d94857dc0b62c4379f96bd2aba3a8d9d28f8 Mon Sep 17 00:00:00 2001
From: Benguang Zhao <bgzhao@taosdata.com>
Date: Tue, 16 Aug 2022 11:38:45 +0800
Subject: [PATCH] fix(query): check the upper boundary of startPos in
 hashIntervalAgg

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

diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 3edd19e016..6ba582138c 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -1704,7 +1704,7 @@ static void hashIntervalAgg(SOperatorInfo* pOperatorInfo, SResultRowInfo* pResul
   while (1) {
     int32_t prevEndPos = (forwardStep - 1) * step + startPos;
     startPos = getNextQualifiedWindow(pQueryAttr, &nextWin, &pSDataBlock->info, tsCols, binarySearchForKey, prevEndPos);
-    if (startPos < 0) {
+    if (startPos < 0 || startPos >= pSDataBlock->info.rows) {
       break;
     }
 
-- 
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