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(parent: ce55817) | 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>
Tue, 18 Apr 2017 05:55:50 +0000 (07:55 +0200)
commitf7a5bdaa1ed2b86c9691a75c9e52f6ae723fe619
treea69861514f48defe61e415fa7f6a31af6ad7543atree | snapshot
parentce55817c633e5807f4645a60163f6cbc3f5af63bcommit | 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 | history
wrapfs-5.3.y