File 0003-firstboot-use-WRITE_STRING_FILE_LABEL-more.patch of Package systemd

From 4329f7d5feb6fa341b77e349a0f8883e48137cd4 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Tue, 17 Jun 2025 15:09:34 +0200
Subject: [PATCH 3/4] firstboot: use WRITE_STRING_FILE_LABEL more

Let's explicitly label 3 key files we generate in systemd-firstboot.

Addresses some more of #37857.
---
 src/firstboot/firstboot.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/firstboot/firstboot.c b/src/firstboot/firstboot.c
index 7c608f43df..191da96c9a 100644
--- a/src/firstboot/firstboot.c
+++ b/src/firstboot/firstboot.c
@@ -673,7 +673,7 @@ static int process_hostname(int rfd) {
                 return 0;
 
         r = write_string_file_at(pfd, f, arg_hostname,
-                                 WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_SYNC|WRITE_STRING_FILE_ATOMIC);
+                                 WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_SYNC|WRITE_STRING_FILE_ATOMIC|WRITE_STRING_FILE_LABEL);
         if (r < 0)
                 return log_error_errno(r, "Failed to write /etc/hostname: %m");
 
@@ -706,7 +706,7 @@ static int process_machine_id(int rfd) {
         }
 
         r = write_string_file_at(pfd, "machine-id", SD_ID128_TO_STRING(arg_machine_id),
-                                 WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_SYNC|WRITE_STRING_FILE_ATOMIC);
+                                 WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_SYNC|WRITE_STRING_FILE_ATOMIC|WRITE_STRING_FILE_LABEL);
         if (r < 0)
                 return log_error_errno(r, "Failed to write /etc/machine-id: %m");
 
@@ -1129,7 +1129,7 @@ static int process_kernel_cmdline(int rfd) {
         }
 
         r = write_string_file_at(pfd, "cmdline", arg_kernel_cmdline,
-                                 WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_SYNC|WRITE_STRING_FILE_ATOMIC);
+                                 WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_SYNC|WRITE_STRING_FILE_ATOMIC|WRITE_STRING_FILE_LABEL);
         if (r < 0)
                 return log_error_errno(r, "Failed to write /etc/kernel/cmdline: %m");
 
-- 
2.43.0