linux-kernel - Re: [PATCH] kobject: fix possible memory leak in kset_create_and

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Message-ID: <9c2e91e1-dd07-8a4b-999c-9a2d26ee5f07@huawei.com>
Date:   Mon, 17 Oct 2022 16:13:03 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     Greg KH <gregkh@...uxfoundation.org>
CC:     <linux-kernel@...r.kernel.org>, <rafael@...nel.org>
Subject: Re: [PATCH] kobject: fix possible memory leak in
 kset_create_and_add()

Hi,

On 2022/10/17 12:51, Greg KH wrote:
> On Mon, Oct 17, 2022 at 10:33:27AM +0800, Yang Yingliang wrote:
>> If kset_register() fails in kset_create_and_add(), the name allocated
>> in kset_create() will be leaked.
> How is kset_create_and_add() failing?  Is this in a real kernel, or
> created with a fake fault injection?
Inject fault while probing module qemu_fw_cfg, kset_create_and_add() may 
fail.

Thanks,
Yang
>
> thanks,
>
> greg k-h
> .