diff options
| author | Alex Shi <alex.shi@linaro.org> | 2016-07-17 12:16:24 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-07-17 12:16:24 +0800 |
| commit | fe4c808f845e2ff3a3fb6c66009ab69c8d01bf57 (patch) | |
| tree | 82ce8b6476c1c4c84ab05a49c94317f1ce8ac1b7 /drivers/usb/usbip/usbip_common.c | |
| parent | bbe8f0ee88a1eb4bb1e72e593b008faf387f30ac (diff) | |
| parent | 0ac0a856d986c1ab240753479f5e50fdfab82b14 (diff) | |
Merge tag 'v3.18.37' into linux-linaro-lsk-v3.18lsk-v3.18-16.07
This is the 3.18.37 stable release
Diffstat (limited to 'drivers/usb/usbip/usbip_common.c')
| -rw-r--r-- | drivers/usb/usbip/usbip_common.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c index facaaf003f19..e40da7759a0e 100644 --- a/drivers/usb/usbip/usbip_common.c +++ b/drivers/usb/usbip/usbip_common.c @@ -741,6 +741,17 @@ int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb) if (!(size > 0)) return 0; + if (size > urb->transfer_buffer_length) { + /* should not happen, probably malicious packet */ + if (ud->side == USBIP_STUB) { + usbip_event_add(ud, SDEV_EVENT_ERROR_TCP); + return 0; + } else { + usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); + return -EPIPE; + } + } + ret = usbip_recv(ud->tcp_socket, urb->transfer_buffer, size); if (ret != size) { dev_err(&urb->dev->dev, "recv xbuf, %d\n", ret); |