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| author | Hans Petter Selasky <hselasky@FreeBSD.org> | 2022-03-03 09:24:02 +0000 |
|---|---|---|
| committer | Hans Petter Selasky <hselasky@FreeBSD.org> | 2022-03-03 09:24:43 +0000 |
| commit | fcca9fd98ce40d586e3b0147ba880b9104589269 (patch) | |
| tree | 24fab7f666413a5279478e11aaf375b134af6b96 /sys/dev/usb/input | |
| parent | 8ed5bb59e913c61e61a4232e8221f35256f72ad2 (diff) | |
| download | src-fcca9fd98ce40d586e3b0147ba880b9104589269.tar.gz src-fcca9fd98ce40d586e3b0147ba880b9104589269.zip | |
usbhid(4): Be more restrictive about what requests are allowed from user-space.
MFC after: 1 month
Sponsored by: NVIDIA Networking
Diffstat (limited to 'sys/dev/usb/input')
| -rw-r--r-- | sys/dev/usb/input/usbhid.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/dev/usb/input/usbhid.c b/sys/dev/usb/input/usbhid.c index ed76f6291a11..3b7886f0fada 100644 --- a/sys/dev/usb/input/usbhid.c +++ b/sys/dev/usb/input/usbhid.c @@ -69,6 +69,7 @@ __FBSDID("$FreeBSD$"); #include <dev/usb/usbhid.h> #include <dev/usb/usb_core.h> #include <dev/usb/usb_ioctl.h> +#include <dev/usb/usb_util.h> #define USB_DEBUG_VAR usbhid_debug #include <dev/usb/usb_debug.h> @@ -694,7 +695,9 @@ usbhid_ioctl(device_t dev, unsigned long cmd, uintptr_t data) sc, USBHID_CTRL_DT, UGETW(req.ctrl.wLength)); if (error) break; - + error = usb_check_request(sc->sc_udev, &req.ctrl); + if (error) + break; error = usbhid_sync_xfer( sc, USBHID_CTRL_DT, &req, ucr->ucr_data); if (error == 0) |