From 07ef790cf84f43bded6059ef578c078b6ec9ce3f Mon Sep 17 00:00:00 2001
From: Otto Moerbeek <otto.moerbeek@open-xchange.com>
Date: Mon, 16 Jan 2023 14:25:11 +0100
Subject: [PATCH] Close fd on fdopen fail.

Originally suggested by @rgacogne, but not included in the merge of #12374
somehow.
---
 pdns/recursordist/negcache.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pdns/recursordist/negcache.cc b/pdns/recursordist/negcache.cc
index b526909517..542e99acba 100644
--- a/pdns/recursordist/negcache.cc
+++ b/pdns/recursordist/negcache.cc
@@ -278,6 +278,7 @@ size_t NegCache::doDump(int fd, size_t maxCacheEntries)
   }
   auto fp = std::unique_ptr<FILE, int (*)(FILE*)>(fdopen(newfd, "w"), fclose);
   if (!fp) {
+    close(newfd);
     return 0;
   }
   fprintf(fp.get(), "; negcache dump follows\n;\n");
-- 
2.47.2