On Sun, 12 Feb 2023 00:01:44 +0000, Pietro Borrello wrote:

bigben_probe() does not validate that the output report has the
needed report values in the first field.
A malicious device registering a report with one field and a single
value causes an head OOB write in bigben_worker() when
accessing report_field->value[1] to report_field->value[7].
Use hid_validate_values() which takes care of all the needed checks.

[...]

Applied, thanks!

[1/1] hid: bigben_probe(): validate report count
      commit: b94335f899542a0da5fafc38af8edcaf90195843

Best regards,
-- 
Benjamin Tissoires [off-list ref]