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(parent: ca157f6) | patch
watchdog: pcwd_usb: fix NULL-deref at probe
authorJohan Hovold <johan@kernel.org>
Mon, 13 Mar 2017 12:49:45 +0000 (13:49 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 25 May 2017 12:30:07 +0000 (14:30 +0200)
commitea99c2248495b60a1f1075b670f426875cc8e189
tree3ebd1c75758fc71b3b098ad3107a2eee2279e2f0tree | snapshot (tar.gz zip)
parentca157f64dc9c05c2c48dfa7985eb600531ff35f3commit | diff
watchdog: pcwd_usb: fix NULL-deref at probe

commit 46c319b848268dab3f0e7c4a5b6e9146d3bca8a4 upstream.

Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer should a malicious device lack endpoints.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/watchdog/pcwd_usb.c diff | blob | blame | history