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Commit 45bf48c3 authored by Oliver Neukum's avatar Oliver Neukum Committed by Greg Kroah-Hartman
Browse files

Input: iforce - add sanity checks 



commit 849f5ae3a513c550cad741c68dd3d7eb2bcc2a2c upstream.

The endpoint type should also be checked before a device
is accepted.

Reported-by: default avatar <syzbot+5efc10c005014d061a74@syzkaller.appspotmail.com>
Signed-off-by: default avatarOliver Neukum <oneukum@suse.com>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent be5ec202

drivers/input/joystick/iforce/iforce-usb.c

+5 −0
Original line number Diff line number Diff line
@@ -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;