From e9ea5d7f57d8c0bbecb883d9f256f9a8f24f1a74 Mon Sep 17 00:00:00 2001
From: ly0 <ly0@oceanbase.com>
Date: Wed, 3 Nov 2021 20:38:08 +0800
Subject: [PATCH] fix asan report heap overflow: str has no ending

---
 src/share/config/ob_common_config.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/share/config/ob_common_config.cpp b/src/share/config/ob_common_config.cpp
index 495975b03d..37e1fd4605 100644
--- a/src/share/config/ob_common_config.cpp
+++ b/src/share/config/ob_common_config.cpp
@@ -168,7 +168,7 @@ OB_DEF_DESERIALIZE(ObCommonConfig)
       ret = OB_ALLOCATE_MEMORY_FAILED;
       LOG_ERROR("ob tc malloc memory for buf fail", K(ret));
     } else {
-      MEMSET(copy_buf, '\0', config_str_length + 1);
+      MEMSET(copy_buf, '\0', data_len + 1);
       MEMCPY(copy_buf, buf + pos, data_len);
       if (OB_FAIL(add_extra_config(copy_buf))) {
         LOG_ERROR("Read server config failed", K(ret));
-- 
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