From 623dd15cbf9fd6215abe6ed0575d8dcf4128d4b4 Mon Sep 17 00:00:00 2001
From: weishu <twsxtd@gmail.com>
Date: Sat, 8 Nov 2025 08:37:14 +0000
Subject: [PATCH] kernel: Use real_parent to avoid interference from ptrace.

---
 kernel/ksud.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/ksud.c b/kernel/ksud.c
index 5a0703e2..818320c7 100644
--- a/kernel/ksud.c
+++ b/kernel/ksud.c
@@ -188,7 +188,7 @@ first_app_process:
 
         struct task_struct *init_task;
         rcu_read_lock();
-        init_task = rcu_dereference(current->parent);
+        init_task = rcu_dereference(current->real_parent);
         if (init_task) {
             task_work_add(init_task, &on_post_fs_data_cb, TWA_RESUME);
         }