lkml.org 
[lkml]   [2020]   [Jan]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] media: usbtv: fix control-message timeouts
On Mon, Jan 13, 2020 at 06:18:18PM +0100, Johan Hovold wrote:
> The driver was issuing synchronous uninterruptible control requests
> without using a timeout. This could lead to the driver hanging on
> various user requests due to a malfunctioning (or malicious) device
> until the device is physically disconnected.
>
> The USB upper limit of five seconds per request should be more than
> enough.
>
> Fixes: f3d27f34fdd7 ("[media] usbtv: Add driver for Fushicai USBTV007 video frame grabber")
> Fixes: c53a846c48f2 ("[media] usbtv: add video controls")
> Cc: stable <stable@vger.kernel.org> # 3.11
> Cc: Lubomir Rintel <lkundrak@v3.sk>
> Signed-off-by: Johan Hovold <johan@kernel.org>

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

\
 
 \ /
  Last update: 2020-01-13 19:26    [W:0.059 / U:1.032 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site