From 2028db36235b7d76a7ce448d29e448070f3bdb25 Mon Sep 17 00:00:00 2001
From: kailixu <klxu@taosdata.com>
Date: Thu, 14 Nov 2024 10:00:07 +0800
Subject: [PATCH] enh: avoid invalid access of log file handle

---
 source/util/src/tlog.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/util/src/tlog.c b/source/util/src/tlog.c
index f70b145dbc..a0bf455cda 100644
--- a/source/util/src/tlog.c
+++ b/source/util/src/tlog.c
@@ -374,7 +374,7 @@ static OldFileKeeper *taosOpenNewFile() {
   }
 
   TdFilePtr pOldFile = tsLogObj.logHandle->pFile;
-  tsLogObj.logHandle->pFile = pFile;
+  atomic_store_ptr(&tsLogObj.logHandle->pFile, pFile);
   tsLogObj.lines = 0;
   tsLogObj.openInProgress = 0;
   OldFileKeeper *oldFileKeeper = taosMemoryMalloc(sizeof(OldFileKeeper));
@@ -666,7 +666,7 @@ static inline void taosPrintLogImp(ELogLevel level, int32_t dflag, const char *b
     if (tsAsyncLog) {
       TAOS_UNUSED(taosPushLogBuffer(tsLogObj.logHandle, buffer, len));
     } else {
-      TAOS_UNUSED(taosWriteFile(tsLogObj.logHandle->pFile, buffer, len));
+      TAOS_UNUSED(taosWriteFile(atomic_load_ptr(tsLogObj.logHandle->pFile), buffer, len));
     }
 
     if (tsNumOfLogLines > 0) {