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| author | Oliver Neukum <oneukum@suse.com> | 2019-08-06 19:05:55 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-25 11:47:49 +0300 |
| commit | f13de3d677d1084485c0e4978d6e9f8b44f9972d (patch) | |
| tree | c0dd6843c8569f77b92f991908b054cd3758a688 /drivers/input | |
| parent | 08b3af00a16188f3299ab6dc2c685947d61bd787 (diff) | |
| download | linux-f13de3d677d1084485c0e4978d6e9f8b44f9972d.tar.xz | |
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 78073259c9a1..c431df7401b4 100644 --- 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_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; |