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From: Shuah Khan <skhan@linuxfoundation.org>
To: Hangyu Hua <hbh25y@gmail.com>,
	valentina.manea.m@gmail.com, shuah@kernel.org,
	gregkh@linuxfoundation.org, khoroshilov@ispras.ru
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	Shuah Khan <skhan@linuxfoundation.org>
Subject: Re: [PATCH v2] usb: usbip: fix a refcount leak in stub_probe()
Date: Thu, 7 Apr 2022 10:31:55 -0600	[thread overview]
Message-ID: <7c584e2d-1c23-3df9-7e4e-c4d9a9014224@linuxfoundation.org> (raw)
In-Reply-To: <20220407022204.10730-1-hbh25y@gmail.com>

On 4/6/22 8:22 PM, Hangyu Hua wrote:
> usb_get_dev() is called in stub_device_alloc(). When stub_probe() fails
> after that, usb_put_dev() needs to be called to release the reference.
> 
> Fix this by moving usb_put_dev() to sdev_free error path handling.
> 
> Fixes: 3ff67445750a ("usbip: fix error handling in stub_probe()")
> Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
> Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
> ---
> 
> v2: add more description of this patch.

Still missing details on how this problem was found. Please add them
to the commit log.

thanks,
-- Shuah

  reply	other threads:[~2022-04-07 16:32 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-07  2:22 Hangyu Hua
2022-04-07 16:31 ` Shuah Khan [this message]
2022-04-08  1:59   ` Hangyu Hua
2022-04-08 15:04     ` Shuah Khan
2022-04-11  5:29       ` Hangyu Hua
2022-04-11 19:38         ` Shuah Khan
2022-04-12  1:26           ` Hangyu Hua

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