From 1775337a36d26daa7abc4e0ae849a1c9411c54a0 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Sat, 23 Nov 2024 02:29:17 +0900
Subject: [PATCH] namespace-util: refuse remote pidref in
 pidref_namespace_open()

---
 src/basic/namespace-util.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/basic/namespace-util.c b/src/basic/namespace-util.c
index 332e8cdfd5..f4b29a49ac 100644
--- a/src/basic/namespace-util.c
+++ b/src/basic/namespace-util.c
@@ -62,6 +62,9 @@ int pidref_namespace_open(
 
         assert(pidref_is_set(pidref));
 
+        if (pidref_is_remote(pidref))
+                return -EREMOTE;
+
         if (ret_pidns_fd) {
                 const char *pidns;