tree a842188325e01d34cd8ba084b03c20e4f3cf850d
parent aa3e9c7480830f38390a61501386be4a03efb88d
author Szymon Heidrich <szymon.heidrich@gmail.com> 1643022840 +0100
committer Robin Peng <robinpeng@google.com> 1646616404 +0000

UPSTREAM: USB: gadget: validate interface OS descriptor requests

Stall the control endpoint in case provided index exceeds array size of
MAX_CONFIG_INTERFACES or when the retrieved function pointer is null.

Bug: 213172319
Signed-off-by: Szymon Heidrich <szymon.heidrich@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 75e5b4849b81e19e9efe1654b30d7f3151c33c2c)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I78f46b6f2140394a6bc6cff9f829c0742d7ad2fc
(cherry picked from commit c7732dbce590ef33ac2345f21efa6703f78b9e95)