tree 1a10a829712741d12df492bb2a56dae4cddb1248
parent 30a7acd573899fd8b8ac39236eff6468b195ac7d
author Shuah Khan <shuahkh@osg.samsung.com> 1513995826 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1515082046 +0100

usbip: fix vudc_rx: harden CMD_SUBMIT path to handle malicious input

Harden CMD_SUBMIT path to handle malicious input that could trigger
large memory allocations. Add checks to validate transfer_buffer_length
and number_of_packets to protect against bad input requesting for
unbounded memory allocations.

Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>