tree 74da0be0913dcd747df260a8432f2d8d8c708607
parent 57a95b41869b8f0d1949c24df2a9dac1ca7082ee
author Dmitry Torokhov <dmitry.torokhov@gmail.com> 1508802360 -0700
committer Dmitry Torokhov <dmitry.torokhov@gmail.com> 1509142481 -0700

Input: gtco - fix potential out-of-bound access

parse_hid_report_descriptor() has a while (i < length) loop, which
only guarantees that there's at least 1 byte in the buffer, but the
loop body can read multiple bytes which causes out-of-bounds access.

Reported-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Andrey Konovalov <andreyknvl@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>