From b6c2bbfee780c4bcd0e4305566a2f2f23ab62521 Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Wed, 3 Mar 2021 14:00:38 +0800
Subject: [PATCH] [TD-3154]<hotfix>: fix invalid write

---
 src/tsdb/src/tsdbMain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tsdb/src/tsdbMain.c b/src/tsdb/src/tsdbMain.c
index 69a35b3d78..8969f61596 100644
--- a/src/tsdb/src/tsdbMain.c
+++ b/src/tsdb/src/tsdbMain.c
@@ -597,7 +597,7 @@ int tsdbRestoreInfo(STsdbRepo *pRepo) {
           // Get the data in row
           ASSERT(pTable->lastRow == NULL);
           STSchema *pSchema = tsdbGetTableSchema(pTable);
-          pTable->lastRow = taosTMalloc(schemaTLen(pSchema));
+          pTable->lastRow = taosTMalloc(dataRowMaxBytesFromSchema(pSchema));
           if (pTable->lastRow == NULL) {
             terrno = TSDB_CODE_TDB_OUT_OF_MEMORY;
             tsdbDestroyReadH(&readh);
-- 
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