Give some systemd domain access to /proc/sys/kernel/random/boot_id

policy/modules/system/systemd.te

@@ -129,6 +129,8 @@ kernel_dgram_send(systemd_cgroups_t)
 # locale local policy
 #
 
+kernel_read_kernel_sysctls(systemd_locale_t)
+
 files_read_etc_files(systemd_locale_t)
 
 logging_send_syslog_msg(systemd_locale_t)
@@ -145,6 +147,8 @@ optional_policy(`
 # Hostnamed policy
 #
 
+kernel_read_kernel_sysctls(systemd_hostnamed_t)
+
 files_read_etc_files(systemd_hostnamed_t)
 
 logging_send_syslog_msg(systemd_hostnamed_t)
@@ -174,6 +178,8 @@ manage_fifo_files_pattern(systemd_logind_t, systemd_logind_var_run_t, systemd_lo
 manage_files_pattern(systemd_logind_t, systemd_logind_var_run_t, systemd_logind_var_run_t)
 files_search_pids(systemd_logind_t)
 
+kernel_read_kernel_sysctls(systemd_logind_t)
+
 auth_manage_faillog(systemd_logind_t)
 
 dev_rw_sysfs(systemd_logind_t)
@@ -236,6 +242,8 @@ logging_send_syslog_msg(systemd_sessions_t)
 allow systemd_tmpfiles_t self:capability  { fowner chown fsetid dac_override mknod };
 allow systemd_tmpfiles_t self:process { setfscreate getcap };
 
+kernel_read_kernel_sysctls(systemd_tmpfiles_t)
+
 dev_relabel_all_sysfs(systemd_tmpfiles_t)
 dev_read_urand(systemd_tmpfiles_t)
 dev_manage_all_dev_nodes(systemd_tmpfiles_t)