From 54ea1466fcdc7fa2517c73d042ec76ecf2b3192a Mon Sep 17 00:00:00 2001
From: xsren <285808407@qq.com>
Date: Fri, 27 Sep 2024 15:24:19 +0800
Subject: [PATCH 1/2] fix: cpy mem overflow

---
 source/dnode/mnode/impl/src/mndStreamTrans.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/dnode/mnode/impl/src/mndStreamTrans.c b/source/dnode/mnode/impl/src/mndStreamTrans.c
index 7171d44da4..c08478b359 100644
--- a/source/dnode/mnode/impl/src/mndStreamTrans.c
+++ b/source/dnode/mnode/impl/src/mndStreamTrans.c
@@ -324,7 +324,9 @@ void killAllCheckpointTrans(SMnode *pMnode, SVgroupChangeInfo *pChangeInfo) {
 
     size_t len = 0;
     void  *pKey = taosHashGetKey(pDb, &len);
-    tstrncpy(p, pKey, 128);
+    int cpLen = MIN(127, len);
+    TAOS_STRNCPY(p, pKey, cpLen);
+    p[cpLen] = '\0';
 
     int32_t code = doKillCheckpointTrans(pMnode, pKey, len);
     if (code) {

From 7198202611b0867a5ed7b1e4a88ec88b0920741f Mon Sep 17 00:00:00 2001
From: xsren <285808407@qq.com>
Date: Fri, 27 Sep 2024 18:21:01 +0800
Subject: [PATCH 2/2] fix: build on windows

---
 source/dnode/mnode/impl/src/mndStreamTrans.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/dnode/mnode/impl/src/mndStreamTrans.c b/source/dnode/mnode/impl/src/mndStreamTrans.c
index c08478b359..905a73ad48 100644
--- a/source/dnode/mnode/impl/src/mndStreamTrans.c
+++ b/source/dnode/mnode/impl/src/mndStreamTrans.c
@@ -324,7 +324,7 @@ void killAllCheckpointTrans(SMnode *pMnode, SVgroupChangeInfo *pChangeInfo) {
 
     size_t len = 0;
     void  *pKey = taosHashGetKey(pDb, &len);
-    int cpLen = MIN(127, len);
+    int cpLen = (127 < len) ? 127 : len;
     TAOS_STRNCPY(p, pKey, cpLen);
     p[cpLen] = '\0';