linux-kernel - Re: [PATCH] media: uvc_v4l2: fix possible memory leak in uvc_ioctl_ctrl

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Message-ID: <CANiDSCvqQqOZ=uigeSz7ihe-y5XDLCRYD9+ZRULDE21td5rvEQ@mail.gmail.com>
Date:   Thu, 24 Mar 2022 18:17:18 +0100
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Hangyu Hua <hbh25y@...il.com>
Cc:     laurent.pinchart@...asonboard.com, mchehab@...nel.org,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: uvc_v4l2: fix possible memory leak in uvc_ioctl_ctrl_map

Isnt it a dupe of:
https://patchwork.linuxtv.org/project/linux-media/patch/20211008120914.69175-1-ribalda@chromium.org/
?

On Thu, 24 Mar 2022 at 18:13, Hangyu Hua <hbh25y@...il.com> wrote:
>
> map->name needs to be freed when uvc_ioctl_ctrl_map fails.
>
> Signed-off-by: Hangyu Hua <hbh25y@...il.com>
> ---
>  drivers/media/usb/uvc/uvc_v4l2.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
> index 711556d13d03..e46a2f3b06cb 100644
> --- a/drivers/media/usb/uvc/uvc_v4l2.c
> +++ b/drivers/media/usb/uvc/uvc_v4l2.c
> @@ -93,6 +93,7 @@ static int uvc_ioctl_ctrl_map(struct uvc_video_chain *chain,
>
>         kfree(map->menu_info);
>  free_map:
> +       kfree(map->name);
>         kfree(map);
>
>         return ret;
> --
> 2.25.1
>


-- 
Ricardo Ribalda