From: Oliver Neukum oneukum@suse.com
commit 849f5ae3a513c550cad741c68dd3d7eb2bcc2a2c upstream.
The endpoint type should also be checked before a device is accepted.
Reported-by: syzbot+5efc10c005014d061a74@syzkaller.appspotmail.com Signed-off-by: Oliver Neukum oneukum@suse.com Signed-off-by: Dmitry Torokhov dmitry.torokhov@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/input/joystick/iforce/iforce-usb.c | 5 +++++ 1 file changed, 5 insertions(+)
--- a/drivers/input/joystick/iforce/iforce-usb.c +++ b/drivers/input/joystick/iforce/iforce-usb.c @@ -141,7 +141,12 @@ static int iforce_usb_probe(struct usb_i return -ENODEV;
epirq = &interface->endpoint[0].desc; + if (!usb_endpoint_is_int_in(epirq)) + return -ENODEV; + epout = &interface->endpoint[1].desc; + if (!usb_endpoint_is_int_out(epout)) + return -ENODEV;
if (!(iforce = kzalloc(sizeof(struct iforce) + 32, GFP_KERNEL))) goto fail;