From b9e6937996389579ce5f4caa2f38a3690fb4984f Mon Sep 17 00:00:00 2001
From: LoveSy <shana@zju.edu.cn>
Date: Tue, 9 May 2023 10:07:00 +0800
Subject: [PATCH] Make magisk node ro as well

---
 native/src/core/module.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/native/src/core/module.cpp b/native/src/core/module.cpp
index 612abbbe6..b3d5d849f 100644
--- a/native/src/core/module.cpp
+++ b/native/src/core/module.cpp
@@ -207,6 +207,7 @@ public:
             xsymlink("./magiskpolicy", dest.data());
         }
         create_and_mount("magisk", src);
+        xmount(nullptr, node_path().data(), nullptr, MS_REMOUNT | MS_BIND | MS_RDONLY, nullptr);
     }
 };