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| author | Mark Brown <broonie@kernel.org> | 2016-05-04 14:41:51 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-05-04 14:41:51 +0100 |
| commit | 3d277b177918cd26215732fc23af0783ab4b37dd (patch) | |
| tree | 2033b4f517415e9e68eb066fa073b79a3884e03d /drivers/usb/usbip/usbip_common.c | |
| parent | f55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff) | |
| parent | 02da2d72174c61988eb4456b53f405e3ebdebce4 (diff) | |
| download | linux-3d277b177918cd26215732fc23af0783ab4b37dd.tar.bz2 | |
Merge tag 'v4.6-rc5' into spi-rockchip
Linux 4.6-rc5
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); |