From c8308dbafd0f5212e944a47cec9e18f13ac99328 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Thu, 15 Jul 2021 17:36:16 +0800
Subject: [PATCH] [td-225]add malloc buffer check.

---
 src/mnode/src/mnodeTable.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/mnode/src/mnodeTable.c b/src/mnode/src/mnodeTable.c
index ea5611e683..6dc2f8ad28 100644
--- a/src/mnode/src/mnodeTable.c
+++ b/src/mnode/src/mnodeTable.c
@@ -3028,6 +3028,11 @@ static int32_t mnodeProcessMultiTableMetaMsg(SMnodeMsg *pMsg) {
   code = TSDB_CODE_SUCCESS;
 
   char* tmp = rpcMallocCont(pMultiMeta->contLen + 2);
+  if (tmp == NULL) {
+    code = TSDB_CODE_MND_OUT_OF_MEMORY;
+    goto _end;
+  }
+
   int32_t len = tsCompressString(pMultiMeta->meta, (int32_t)pMultiMeta->contLen - sizeof(SMultiTableMeta), 1,
       tmp + sizeof(SMultiTableMeta), (int32_t)pMultiMeta->contLen - sizeof(SMultiTableMeta) + 2, ONE_STAGE_COMP, NULL, 0);
 
-- 
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