From 0b1cef9b51e8a07d7649dcef065ca67d1804300d Mon Sep 17 00:00:00 2001
From: yihaoDeng <luomoxyz@126.com>
Date: Fri, 9 Dec 2022 11:29:04 +0800
Subject: [PATCH] fix udfd crash

---
 source/libs/transport/src/transCli.c  | 1 +
 source/libs/transport/src/transComm.c | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/source/libs/transport/src/transCli.c b/source/libs/transport/src/transCli.c
index 060d1d3a98..bc0486bd4c 100644
--- a/source/libs/transport/src/transCli.c
+++ b/source/libs/transport/src/transCli.c
@@ -285,6 +285,7 @@ static void cliReleaseUnfinishedMsg(SCliConn* conn) {
     }
     destroyCmsg(msg);
   }
+  memset(conn->ctx, 0, sizeof(conn->ctx));
 }
 bool cliMaySendCachedMsg(SCliConn* conn) {
   if (!transQueueEmpty(&conn->cliMsgs)) {
diff --git a/source/libs/transport/src/transComm.c b/source/libs/transport/src/transComm.c
index ad8d57c97a..09f9a78ab8 100644
--- a/source/libs/transport/src/transComm.c
+++ b/source/libs/transport/src/transComm.c
@@ -282,6 +282,9 @@ void transCtxCleanup(STransCtx* ctx) {
 }
 
 void transCtxMerge(STransCtx* dst, STransCtx* src) {
+  if (src->args == NULL || src->freeFunc == NULL) {
+    return;
+  }
   if (dst->args == NULL) {
     dst->args = src->args;
     dst->brokenVal = src->brokenVal;
-- 
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