From 056b24c724690bd4b1a50bf8aaf83aa108f98d65 Mon Sep 17 00:00:00 2001
From: Tao Liu <tliu@taosdata.com>
Date: Wed, 27 May 2020 09:06:13 +0000
Subject: [PATCH] [TD-90] fix invalid read

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

diff --git a/src/common/src/tdataformat.c b/src/common/src/tdataformat.c
index 8c6e26d5e1..922c8bdea0 100644
--- a/src/common/src/tdataformat.c
+++ b/src/common/src/tdataformat.c
@@ -237,7 +237,7 @@ void * tdNewTagRowFromSchema(STSchema *pSchema, int16_t numofTags) {
   STagRow *row = malloc(size);
   if (row == NULL) return NULL;
 
-  int32_t datasize = pSchema->tlen - pSchema->flen;
+  int32_t datasize = pSchema->tlen;
   row->pData = malloc(datasize);
   if (NULL == row->pData) {
     free(row);
-- 
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