From 30de57f5b4e681609e4be32bd37896ef011af268 Mon Sep 17 00:00:00 2001
From: Wang Han <416810799@qq.com>
Date: Sun, 23 Feb 2025 10:42:24 +0800
Subject: [PATCH] Fix reference count leak in nuke_ext4_sysfs() (#2467)

We need to call path_put() to decrease the refcount.
---
 kernel/core_hook.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/core_hook.c b/kernel/core_hook.c
index 109f97c13da6..db77e77417aa 100644
--- a/kernel/core_hook.c
+++ b/kernel/core_hook.c
@@ -236,10 +236,12 @@ static void nuke_ext4_sysfs() {
 	const char* name = sb->s_type->name;
 	if (strcmp(name, "ext4") != 0) {
 		pr_info("nuke but module aren't mounted\n");
+		path_put(&path);
 		return;
 	}
 
 	ext4_unregister_sysfs(sb);
+ 	path_put(&path);
 }
 
 int ksu_handle_prctl(int option, unsigned long arg2, unsigned long arg3,