From 6b2846f941c678aff6c8f7a4b56863082d0bae2b Mon Sep 17 00:00:00 2001
From: Pengrongkun <pengrongkun94@qq.com>
Date: Tue, 19 Nov 2024 14:43:29 +0800
Subject: [PATCH] fix segmentation fault

---
 source/libs/parser/src/parser.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/source/libs/parser/src/parser.c b/source/libs/parser/src/parser.c
index c2714659ec..e2135bfd63 100644
--- a/source/libs/parser/src/parser.c
+++ b/source/libs/parser/src/parser.c
@@ -154,6 +154,9 @@ static int32_t parseSqlSyntax(SParseContext* pCxt, SQuery** pQuery, SParseMetaCa
 }
 
 static int32_t setValueByBindParam(SValueNode* pVal, TAOS_MULTI_BIND* pParam) {
+  if (!pParam || IS_NULL_TYPE(pParam->buffer_type)) {
+    return TSDB_CODE_APP_ERROR;
+  }
   if (IS_VAR_DATA_TYPE(pVal->node.resType.type)) {
     taosMemoryFreeClear(pVal->datum.p);
   }
@@ -441,6 +444,9 @@ int32_t qStmtBindParams(SQuery* pQuery, TAOS_MULTI_BIND* pParams, int32_t colIdx
 }
 
 static int32_t setValueByBindParam2(SValueNode* pVal, TAOS_STMT2_BIND* pParam) {
+  if (!pParam || IS_NULL_TYPE(pParam->buffer_type)) {
+    return TSDB_CODE_APP_ERROR;
+  }
   if (IS_VAR_DATA_TYPE(pVal->node.resType.type)) {
     taosMemoryFreeClear(pVal->datum.p);
   }