From cb024ca069bc0f8852171ac950f9d41b45fd73c0 Mon Sep 17 00:00:00 2001
From: yihaoDeng <luomoxyz@126.com>
Date: Mon, 5 Jun 2023 10:52:07 +0000
Subject: [PATCH] fix invalid free

---
 source/libs/stream/src/tstreamFileState.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/libs/stream/src/tstreamFileState.c b/source/libs/stream/src/tstreamFileState.c
index bc84509728..bfaeca89f6 100644
--- a/source/libs/stream/src/tstreamFileState.c
+++ b/source/libs/stream/src/tstreamFileState.c
@@ -419,7 +419,7 @@ int32_t deleteExpiredCheckPoint(SStreamFileState* pFileState, TSKEY mark) {
     if (code != 0 || len == 0 || val == NULL) {
       return TSDB_CODE_FAILED;
     }
-    memcpy(val, buf, len);
+    memcpy(buf, val, len);
     buf[len] = 0;
     maxCheckPointId = atol((char*)buf);
     taosMemoryFree(val);
@@ -433,7 +433,7 @@ int32_t deleteExpiredCheckPoint(SStreamFileState* pFileState, TSKEY mark) {
     if (code != 0) {
       return TSDB_CODE_FAILED;
     }
-    memcpy(val, buf, len);
+    memcpy(buf, val, len);
     buf[len] = 0;
     taosMemoryFree(val);