From 31c43d4b76b11e99d667dd035a85b716762e40a8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ondr=CC=8Cej=20Sury=CC=81?= <ondrej@isc.org>
Date: Thu, 27 Jul 2023 11:31:06 +0200
Subject: [PATCH] Free struct stub_glue_request in stub_glue_response()
 callback

When stub_glue_response() is called, the associated data is stored in
newly allocated struct stub_glue_request.  The allocated structure is
never freed in the callback, thus we leak a little bit of memory.
---
 lib/dns/zone.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/dns/zone.c b/lib/dns/zone.c
index dfbdb66040..e499444a93 100644
--- a/lib/dns/zone.c
+++ b/lib/dns/zone.c
@@ -12880,6 +12880,7 @@ cleanup:
 	}
 	dns_name_free(&sgr->name, zone->mctx);
 	dns_request_destroy(&request);
+	isc_mem_put(zone->mctx, sgr, sizeof(*sgr));
 
 	/* If last request, release all related resources */
 	if (atomic_fetch_sub_release(&stub->pending_requests, 1) == 1) {