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| author |   Oliver Neukum <oneukum@suse.com> | 2019-08-06 09:05:55 -0700 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-08-06 09:10:57 -0700 |
| commit | 849f5ae3a513c550cad741c68dd3d7eb2bcc2a2c (patch) | |
| tree | 20c803402338fbae3ffc329294e94f210e8404cf /drivers/input/joystick | |
| parent | Input: applespi - use struct_size() helper (diff) | |
| download | linux-dev-849f5ae3a513c550cad741c68dd3d7eb2bcc2a2c.tar.xz linux-dev-849f5ae3a513c550cad741c68dd3d7eb2bcc2a2c.zip | |
Input: iforce - add sanity checks
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>
Diffstat (limited to 'drivers/input/joystick')
| -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 29abfeeef9a5..6c554c11a7ac 100644 --- a/drivers/input/joystick/iforce/iforce-usb.c +++ b/drivers/input/joystick/iforce/iforce-usb.c @@ -201,7 +201,12 @@ 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; iforce_usb = kzalloc(sizeof(*iforce_usb), GFP_KERNEL); if (!iforce_usb) |