From: Tatsuo Ishii <ishii@postgresql.org>
Date: Fri, 18 Jul 2025 05:40:14 +0000 (+0900)
Subject: Fix memory leak.
X-Git-Tag: V4_7_0_BETA1~75
X-Git-Url: http://git.postgresql.org/gitweb/constraints.php?a=commitdiff_plain;h=1b63aeb31;p=pgpool2.git

Fix memory leak.

Fix resource leak in pool_push_pending_data pointed out by Coverity.

Backpatch-through: v4.2
---

diff --git a/src/protocol/pool_process_query.c b/src/protocol/pool_process_query.c
index b69cb3d52..467e50baa 100644
--- a/src/protocol/pool_process_query.c
+++ b/src/protocol/pool_process_query.c
@@ -5304,6 +5304,8 @@ pool_push_pending_data(POOL_CONNECTION *backend)
 			ereport(DEBUG1,
 					(errmsg("pool_push_pending_data: ERROR response found")));
 			pool_set_ignore_till_sync();
+			if (buf)
+				pfree(buf);
 			break;
 		}
 		num_pushed_messages++;