Re: [PATCH] HID: i2c-hid: allocate hid buffers for real worst case

From: Jiri Kosina
Date: Wed Sep 13 2017 - 12:18:22 EST


On Fri, 8 Sep 2017, Dmitry Torokhov wrote:

> From: Adrian Salido <salidoa@xxxxxxxxxx>
>
> The buffer allocation is not currently accounting for an extra byte for
> the report id. This can cause an out of bounds access in function
> i2c_hid_set_or_send_report() with reportID > 15.
>
> Signed-off-by: Guenter Roeck <groeck@xxxxxxxxxxxx>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>

I've added the missing tags and applied to for-4.14/upstream-fixes

--
Jiri Kosina
SUSE Labs