From 6c5b261804536f91dd17603d8afeb9088b8f45cb Mon Sep 17 00:00:00 2001
From: topjohnwu <topjohnwu@gmail.com>
Date: Fri, 29 Oct 2021 03:12:48 -0700
Subject: [PATCH] Update spolicy rules

---
 native/jni/magiskpolicy/rules.cpp | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/native/jni/magiskpolicy/rules.cpp b/native/jni/magiskpolicy/rules.cpp
index 5e1addea5..e8126cfb9 100644
--- a/native/jni/magiskpolicy/rules.cpp
+++ b/native/jni/magiskpolicy/rules.cpp
@@ -30,6 +30,7 @@ void sepolicy::magisk_rules() {
     if (db->policyvers >= POLICYDB_VERSION_XPERMS_IOCTL) {
         allowxperm(SEPOL_PROC_DOMAIN, ALL, "blk_file", ALL);
         allowxperm(SEPOL_PROC_DOMAIN, ALL, "fifo_file", ALL);
+        allowxperm(SEPOL_PROC_DOMAIN, ALL, "chr_file", ALL);
     }
 
     // Create unconstrained file type
@@ -61,6 +62,7 @@ void sepolicy::magisk_rules() {
             allow(SEPOL_CLIENT_DOMAIN, type, "chr_file", "read");
             allow(SEPOL_CLIENT_DOMAIN, type, "chr_file", "write");
             allow(SEPOL_CLIENT_DOMAIN, type, "chr_file", "ioctl");
+            allowxperm(SEPOL_CLIENT_DOMAIN, type, "chr_file", "0x5404");
         }
 
         // Allow these processes to access MagiskSU
@@ -174,13 +176,16 @@ void sepolicy::magisk_rules() {
     // For changing file context
     allow("rootfs", "tmpfs", "filesystem", "associate");
 
-    // Allow Zygisk to prctl PR_SET_MM
-    allow("zygote", "zygote", "capability", "sys_resource");
-
-    // Allow hook
+    // Zygisk rules
+    allow("zygote", "zygote", "capability", "sys_resource");  // prctl PR_SET_MM
     allow("zygote", "zygote", "process", "execmem");
+    allow("zygote", "fs_type", "filesystem", "unmount");
     allow("system_server", "system_server", "process", "execmem");
 
+    // Shut llkd up
+    dontaudit("llkd", SEPOL_PROC_DOMAIN, "process", "ptrace");
+    dontaudit("llkd", SEPOL_CLIENT_DOMAIN, "process", "ptrace");
+
     // Allow update_engine/addon.d-v2 to run permissive on all ROMs
     permissive("update_engine");