diff options
| author | Oliver Neukum <oneukum@suse.com> | 2019-08-06 09:05:55 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-25 10:50:08 +0200 |
| commit | 6ab425b091ff31dd8e2e0d4220b4f6e91e3da1d5 (patch) | |
| tree | 6c80e857b0fc06e54d27cff0b3a8f02569b476ad /drivers/input | |
| parent | fbfcffcbe92ba39ec7d45674e8e987c7b5335d38 (diff) | |
Input: iforce - add sanity checks
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>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/joystick/iforce/iforce-usb.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c index e8724f1a4a25..f1d4d543d945 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; |