Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.4 22/28] Input: iforce - add sanity checks | Date | Tue, 13 Aug 2019 22:25:44 -0400 |
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From: Oliver Neukum <oneukum@suse.com>
[ Upstream commit 849f5ae3a513c550cad741c68dd3d7eb2bcc2a2c ]
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: Sasha Levin <sashal@kernel.org> --- drivers/input/joystick/iforce/iforce-usb.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c index db64adfbe1aff..3e1ea912b41d1 100644 --- a/drivers/input/joystick/iforce/iforce-usb.c +++ b/drivers/input/joystick/iforce/iforce-usb.c @@ -145,7 +145,12 @@ static int iforce_usb_probe(struct usb_interface *intf, 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; -- 2.20.1
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