From a743dcd31cb4cc5eda34636b088438748c00f33f Mon Sep 17 00:00:00 2001
From: Shuduo Sang <sangshuduo@gmail.com>
Date: Mon, 9 Mar 2020 20:26:59 +0800
Subject: [PATCH] fix out-of-bounds read arrary data_type[]

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

diff --git a/src/kit/taosdemo/taosdemo.c b/src/kit/taosdemo/taosdemo.c
index 24855ab8b5..6364e70788 100644
--- a/src/kit/taosdemo/taosdemo.c
+++ b/src/kit/taosdemo/taosdemo.c
@@ -343,7 +343,7 @@ int main(int argc, char *argv[]) {
   if (strcasecmp(data_type[0], "BINARY") == 0 || strcasecmp(data_type[0], "BOOL") == 0) {
     do_aggreFunc = false;
   }
-  for (; count_data_type <= MAX_NUM_DATATYPE; count_data_type++) {
+  for (; count_data_type < MAX_NUM_DATATYPE; count_data_type++) {
     if (strcasecmp(data_type[count_data_type], "") == 0) {
       break;
     }
-- 
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