diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-05-05 09:57:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-05-05 09:57:27 +0200 |
| commit | e8c8ce54807b19e90ac84e609b13f7d4e337eab1 (patch) | |
| tree | ae7d65ae17d55aee197b605ce1a193fe594af614 /drivers/usb/usbip/usbip_common.c | |
| parent | 5db4298133d99b3dfc60d6899ac9df169769c899 (diff) | |
| parent | 04974df8049fc4240d22759a91e035082ccd18b4 (diff) | |
Merge tag 'v4.6-rc6' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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); |