补丁适用范围：RK356X ANDROID13.0

SDK需要选择userdebug版本

$ vim system/core/init/selinux.cpp@@ -123,6 +123,8 @@ EnforcingStatus StatusFromProperty() {}bool IsEnforcing() {
+    return false;
+if (ALLOW_PERMISSIVE_SELINUX) {return StatusFromProperty() == SELINUX_ENFORCING;}

$ vim system/extras/su/su.cpp@@ -80,8 +80,8 @@ void extract_uidgids(const char* uidgids, uid_t* uid, gid_t* gid, gid_t* gids, i}int main(int argc, char** argv) {
-    uid_t current_uid = getuid();
-    if (current_uid != AID_ROOT && current_uid != AID_SHELL) error(1, 0, "not allowed");
+    //uid_t current_uid = getuid();
+    //if (current_uid != AID_ROOT && current_uid != AID_SHELL) error(1, 0, "not allowed");// Handle -h and --help.++argv;

$ vim system/core/libcutils