From bc96802a10a33a3fce3f6db15cf7c162c78ba505 Mon Sep 17 00:00:00 2001
From: xsren <285808407@qq.com>
Date: Wed, 18 Sep 2024 11:19:45 +0800
Subject: [PATCH] set pointer null after free

---
 source/util/src/tpagedbuf.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/source/util/src/tpagedbuf.c b/source/util/src/tpagedbuf.c
index e8303b563e..ffb11b156d 100644
--- a/source/util/src/tpagedbuf.c
+++ b/source/util/src/tpagedbuf.c
@@ -547,6 +547,7 @@ void* getBufPage(SDiskbasedBuf* pBuf, int32_t id) {
     int32_t code = lruListPushFront(pBuf->lruList, *pi);
     if (TSDB_CODE_SUCCESS != code) {
       taosMemoryFree((*pi)->pData);
+      (*pi)->pData = NULL;
       terrno = code;
       return NULL;
     }
@@ -557,7 +558,7 @@ void* getBufPage(SDiskbasedBuf* pBuf, int32_t id) {
       int32_t code = loadPageFromDisk(pBuf, *pi);
       if (code != 0) {
         taosMemoryFree((*pi)->pData);
-
+        (*pi)->pData = NULL;
         terrno = code;
         return NULL;
       }