From 990583a70210eb16de87a6c129592db6d8b6776a Mon Sep 17 00:00:00 2001
From: Tatsuo Ishii <ishii@postgresql.org>
Date: Sat, 14 Sep 2024 22:41:30 +0900
Subject: [PATCH] Fix pool_push_pending_data().

Fix "insecure data handling".
Per Coverity (CID 1559731)
---
 src/protocol/pool_process_query.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/protocol/pool_process_query.c b/src/protocol/pool_process_query.c
index cdeaa0328..a17475ea2 100644
--- a/src/protocol/pool_process_query.c
+++ b/src/protocol/pool_process_query.c
@@ -5225,10 +5225,10 @@ pool_push_pending_data(POOL_CONNECTION * backend)
 
 		len_save = len;
 		len = ntohl(len);
+		len -= sizeof(len);
 		buf = NULL;
-		if ((len - sizeof(len)) > 0)
+		if (len  > 0)
 		{
-			len -= sizeof(len);
 			buf = palloc(len);
 			pool_read(backend, buf, len);
 		}