From 278fc08441d07ca4107954ad1b32003ea9743d08 Mon Sep 17 00:00:00 2001
From: Minglei Jin <mljin@taosdata.com>
Date: Thu, 8 Apr 2021 18:09:41 +0800
Subject: [PATCH] [TD-3710]<fix>: [sync/memory] fix peer connection invalid
 read post freeing

---
 src/sync/src/syncMain.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/sync/src/syncMain.c b/src/sync/src/syncMain.c
index 72442eee6c..2f1576940b 100644
--- a/src/sync/src/syncMain.c
+++ b/src/sync/src/syncMain.c
@@ -551,7 +551,10 @@ static void syncClosePeerConn(SSyncPeer *pPeer) {
   if (pPeer->peerFd >= 0) {
     pPeer->peerFd = -1;
     void *pConn = pPeer->pConn;
-    if (pConn != NULL) syncFreeTcpConn(pPeer->pConn);
+    if (pConn != NULL) {
+      syncFreeTcpConn(pPeer->pConn);
+      pPeer->pConn = NULL;
+    }
   }
 }