HID: roccat: isku: reject short button reports

The raw event callback runs before HID core validates and zero-pads the
report.  It passes the buffer to helpers which inspect data[0] and, for a
button report, read the complete struct isku_report_button.  A truncated
report can therefore cause an out-of-bounds read.

Require enough data for the button report before calling either helper.
Commit 47669bec44fe ("HID: asus: refactor the two workqueues and init
sequence") added the same kind of raw-event length validation to hid-asus.

Fixes: d41c2a7011df ("HID: roccat: Add support for Isku keyboard")
Cc: stable@vger.kernel.org
Signed-off-by: Jiale Yao <yaojiale02@163.com>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>

0 files changed, 0 insertions, 0 deletions