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(parent: ddd6d24) | 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)
committerWim Van Sebroeck <wim@iguana.be>
Thu, 18 May 2017 16:51:34 +0000 (18:51 +0200)
commit46c319b848268dab3f0e7c4a5b6e9146d3bca8a4
tree3567d7523be2606c62ef1c2bc6ac141ef7ff4d7etree | snapshot (tar.gz zip)
parentddd6d240b26dcb8b8dc98bd493eba944dd97ebc8commit | diff
watchdog: pcwd_usb: fix NULL-deref at probe

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")
Cc: stable <stable@vger.kernel.org>
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>
drivers/watchdog/pcwd_usb.c diff | blob | blame | history