linux-kernel - [PATCH 6/6] nilfs2: fix memory leak in nilfs_sysfs_delete_snapshot

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20210629022556.3985106-7-sunnanyong@huawei.com>
Date:   Tue, 29 Jun 2021 10:25:56 +0800
From:   Nanyong Sun <sunnanyong@...wei.com>
To:     <konishi.ryusuke@...il.com>
CC:     <linux-nilfs@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <sunnanyong@...wei.com>, <wangkefeng.wang@...wei.com>
Subject: [PATCH 6/6] nilfs2: fix memory leak in nilfs_sysfs_delete_snapshot_group

Kobject_put() should be used to cleanup the memory associated with
the kobject insead of kobject_del(). See the section "Kobject removal"
of "Documentation/core-api/kobject.rst".

Signed-off-by: Nanyong Sun <sunnanyong@...wei.com>
---
 fs/nilfs2/sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nilfs2/sysfs.c b/fs/nilfs2/sysfs.c
index 5ba87573ad3b..62f8a7ac19c8 100644
--- a/fs/nilfs2/sysfs.c
+++ b/fs/nilfs2/sysfs.c
@@ -202,7 +202,7 @@ int nilfs_sysfs_create_snapshot_group(struct nilfs_root *root)
 
 void nilfs_sysfs_delete_snapshot_group(struct nilfs_root *root)
 {
-	kobject_del(&root->snapshot_kobj);
+	kobject_put(&root->snapshot_kobj);
 }
 
 /************************************************************************
-- 
2.18.0.huawei.25