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From c47e288e8950e7e92e3c90972ca7ef8ef9fc6a7f Mon Sep 17 00:00:00 2001
From: Wenzong Fan <wenzong.fan@windriver.com>
Date: Fri, 15 Jan 2016 03:47:05 -0500
Subject: [PATCH] policy/modules/system/init: make init_t MLS trusted for
lowering/raising the leve of files
Fix security_validate_transition issues:
op=security_validate_transition seresult=denied \
oldcontext=system_u:object_r:device_t:s15:c0.c1023 \
newcontext=system_u:object_r:device_t:s0 \
taskcontext=system_u:system_r:init_t:s0-s15:c0.c1023 \
tclass=dir
op=security_validate_transition seresult=denied \
oldcontext=system_u:object_r:var_run_t:s0 \
newcontext=system_u:object_r:var_log_t:s0-s15:c0.c1023 \
taskcontext=system_u:system_r:init_t:s0-s15:c0.c1023 \
tclass=dir
Upstream-Status: Inappropriate [embedded specific]
Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
---
policy/modules/system/init.te | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/policy/modules/system/init.te b/policy/modules/system/init.te
index 97a75cf86..fee846cb5 100644
--- a/policy/modules/system/init.te
+++ b/policy/modules/system/init.te
@@ -229,6 +229,10 @@ mls_process_write_all_levels(init_t)
mls_fd_use_all_levels(init_t)
mls_process_set_level(init_t)
+# MLS trusted for lowering/raising the level of files
+mls_file_downgrade(init_t)
+mls_file_upgrade(init_t)
+
# the following one is needed for libselinux:is_selinux_enabled()
# otherwise the call fails and sysvinit tries to load the policy
# again when using the initramfs
--
2.25.1
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