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(parent: 179295c) | patch
USB: iowarrior: fix NULL-deref in write
authorJohan Hovold <johan@kernel.org>
Tue, 7 Mar 2017 15:11:04 +0000 (16:11 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 18 Mar 2017 11:09:58 +0000 (19:09 +0800)
commit6498086195b9d6939293d35e93b804228158eb7f
treea457a34e20f7b4fab57a1a4645781a4eb42f59d0tree | snapshot (tar.gz zip)
parent179295c38d23874357ca75af104fd6f1fe769cfdcommit | diff
USB: iowarrior: fix NULL-deref in write

commit de46e56653de7b3b54baa625bd582635008b8d05 upstream.

Make sure to verify that we have the required interrupt-out endpoint for
IOWarrior56 devices to avoid dereferencing a NULL-pointer in write
should a malicious device lack such an endpoint.

Fixes: 946b960d13c1 ("USB: add driver for iowarrior devices.")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/misc/iowarrior.c diff | blob | blame | history