Re: [PATCH v1] HID: make arrays usage and value to be the same

[Jiri Kosina]

On Sat, 5 Dec 2020, Will McVicker wrote:

> The HID subsystem allows an "HID report field" to have a different
> number of "values" and "usages" when it is allocated. When a field
> struct is created, the size of the usage array is guaranteed to be at
> least as large as the values array, but it may be larger. This leads to
> a potential out-of-bounds write in
> __hidinput_change_resolution_multipliers() and an out-of-bounds read in
> hidinput_count_leds().
> 
> To fix this, let's make sure that both the usage and value arrays are
> the same size.

Now applied, sorry for the delay and thanks for the fix.

-- 
Jiri Kosina
SUSE Labs