From 620b18e9d864196082577bc83b39c7ab13a8bace Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Tue, 5 May 2026 18:17:42 +0200
Subject: [PATCH] zeroconf: check for NULL before doing strdup

Reject zeroconf entries without name, type, domain or host_name.
---
 src/modules/zeroconf-utils/zeroconf.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/modules/zeroconf-utils/zeroconf.c b/src/modules/zeroconf-utils/zeroconf.c
index f11728307..f9ac118bc 100644
--- a/src/modules/zeroconf-utils/zeroconf.c
+++ b/src/modules/zeroconf-utils/zeroconf.c
@@ -178,6 +178,10 @@ static struct service *service_new(struct entry *e,
 	s->e = e;
 	spa_list_append(&e->services, &s->link);
 
+	if (info->name == NULL || info->type == NULL ||
+	    info->domain == NULL || info->host_name == NULL)
+		goto error;
+
 	s->info.interface = info->interface;
 	s->info.protocol = info->protocol;
 	s->info.name = strdup(info->name);