net: vmxnet: initialise local tx descriptor
In Vmxnet3 device emulator while processing transmit(tx) queue, when it reaches end of packet, it calls vmxnet3_complete_packet. In that local 'txcq_descr' object is not initialised, which could leak host memory bytes a guest. Reported-by: NLi Qiang <liqiang6-s@360.cn> Signed-off-by: NPrasad J Pandit <pjp@fedoraproject.org> Reviewed-by: NDmitry Fleytman <dmitry@daynix.com> Signed-off-by: NJason Wang <jasowang@redhat.com>
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