On 10/02/2014, 02:05 PM, Michael Ikey Doherty wrote:
> From: Jiri Kosina <jkosina@xxxxxxx>
>
> The report passed to us from transport driver could potentially be
> arbitrarily large, therefore we better sanity-check it so that
> magicmouse_emit_touch() gets only valid values of raw_id.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Reported-by: Steven Vittitoe <scvitti@xxxxxxxxxx>
> Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>
> ---
> drivers/hid/hid-picolcd_core.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/hid/hid-picolcd_core.c b/drivers/hid/hid-picolcd_core.c
> index acbb021..8aeba62 100644
> --- a/drivers/hid/hid-picolcd_core.c
> +++ b/drivers/hid/hid-picolcd_core.c
> @@ -350,6 +350,12 @@ static int picolcd_raw_event(struct hid_device *hdev,
> if (!data)
> return 1;
>
> + if (size > 64) {
> + hid_warn(hdev, "invalid size value (%d) for picolcd raw event\n",
> + size);
> + return 0;
> + }
> +
> if (report->id == REPORT_KEY_STATE) {
> if (data->input_keys)
> ret = picolcd_raw_keypad(data, report, raw_data+1, size-1);
>
Hi, what is this, please? Do you want it applied to stable or somewhere?
--
js
suse labs
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