From: Matteo Croce <teknoraver@meta.com>
Date: Mon, 8 Jul 2024 23:24:50 +0000 (+0200)
Subject: use O_PATH to get the root fds
X-Git-Tag: v257-rc1~877^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e51d8e0aa4b151fd54c0a3e345690522272499f2;p=thirdparty%2Fsystemd.git

use O_PATH to get the root fds

`switch_root()` opens two file descriptors to do the switch but never
reads from them. Open them with O_PATH.
---

diff --git a/src/shared/switch-root.c b/src/shared/switch-root.c
index e64b6f6c8fc..621161a1c0f 100644
--- a/src/shared/switch-root.c
+++ b/src/shared/switch-root.c
@@ -58,7 +58,7 @@ int switch_root(const char *new_root,
         if (old_root_fd < 0)
                 return log_error_errno(errno, "Failed to open root directory: %m");
 
-        new_root_fd = open(new_root, O_DIRECTORY|O_CLOEXEC);
+        new_root_fd = open(new_root, O_PATH|O_DIRECTORY|O_CLOEXEC);
         if (new_root_fd < 0)
                 return log_error_errno(errno, "Failed to open target directory '%s': %m", new_root);