From fc905406d52d79266f27fbf0a9d0e96f6c260994 Mon Sep 17 00:00:00 2001
From: kailixu <klxu@taosdata.com>
Date: Mon, 4 Dec 2023 14:08:24 +0800
Subject: [PATCH] chore: validate tag val

---
 source/common/src/tdataformat.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/common/src/tdataformat.c b/source/common/src/tdataformat.c
index f97f9c0c11..5eebf05596 100644
--- a/source/common/src/tdataformat.c
+++ b/source/common/src/tdataformat.c
@@ -1247,6 +1247,7 @@ static int32_t tPutTagVal(uint8_t *p, STagVal *pTagVal, int8_t isJson) {
   if (isJson) {
     n += tPutCStr(p ? p + n : p, pTagVal->pKey);
   } else {
+    ASSERTS(pTagVal->cid > 0, "Invalid tag cid %" PRIi16, pTagVal->cid);
     n += tPutI16v(p ? p + n : p, pTagVal->cid);
   }