tree 712539f6184df8a6a45354801ac48674a6c62c2f
parent 83882a5b5908de831111277d77adb2fe113e90a6
author Dan Carpenter <dan.carpenter@oracle.com> 1646121864 +0300
committer Todd Kjos <tkjos@google.com> 1660769106 -0700

usb: gadget: rndis: prevent integer overflow in rndis_set_response()

commit 65f3324f4b6fed78b8761c3b74615ecf0ffa81fa upstream.

If "BufOffset" is very large the "BufOffset + 8" operation can have an
integer overflow.

Cc: stable@kernel.org
Fixes: 38ea1eac7d88 ("usb: gadget: rndis: check size of RNDIS_MSG_SET command")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20220301080424.GA17208@kili
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>