From: Aki Tuomi <aki.tuomi@open-xchange.com>
Date: Tue, 29 Jul 2025 11:19:41 +0000 (+0300)
Subject: lib-master: Ensure cache fd is closed on exec
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6cb5306a93f44891fc4782c55b9e9b09a803782a;p=thirdparty%2Fdovecot%2Fcore.git

lib-master: Ensure cache fd is closed on exec

Prevents it from leaking by accident.
---

diff --git a/src/lib-master/master-service-settings.c b/src/lib-master/master-service-settings.c
index acdeab09e1..7d10707f3d 100644
--- a/src/lib-master/master-service-settings.c
+++ b/src/lib-master/master-service-settings.c
@@ -337,6 +337,8 @@ static int master_service_binary_config_cache_get(const char *cache_dir,
 	int fd = open(cache_path, O_RDONLY);
 	if (fd == -1 && errno != ENOENT)
 		i_error("Binary config cache: open(%s) failed: %m", cache_path);
+	else if (fd != -1)
+		fd_close_on_exec(fd, TRUE);
 	return fd;
 }