From ca56f33bb3daf07753caaf9c3bfc68496f5100c2 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Fri, 25 Dec 2020 18:08:47 +0800
Subject: [PATCH] [TD-225] add extra bytes during malloc memory.

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

diff --git a/src/query/src/qResultbuf.c b/src/query/src/qResultbuf.c
index bc7243830d83..d45e76c2fd07 100644
--- a/src/query/src/qResultbuf.c
+++ b/src/query/src/qResultbuf.c
@@ -313,7 +313,7 @@ tFilePage* getNewDataBuf(SDiskbasedResultBuf* pResultBuf, int32_t groupId, int32
 
   // allocate buf
   if (availablePage == NULL) {
-    pi->pData = calloc(1, pResultBuf->pageSize + POINTER_BYTES);
+    pi->pData = calloc(1, pResultBuf->pageSize + POINTER_BYTES + 2);  // add extract bytes in case of zipped buffer increased.
   } else {
     pi->pData = availablePage;
   }