[dpdk-dev] [PATCH] vhost: fix segfault on bad descriptor address.

Yuanhan Liu yuanhan.liu at linux.intel.com
Sun Jul 10 15:17:31 CEST 2016


On Fri, Jul 08, 2016 at 02:48:56PM +0300, Ilya Maximets wrote:
> 
> Another point is that crash constantly happens on queue_id=3 (second RX queue) in
> my scenario. It is newly allocated virtqueue while reconfiguration from rxq=1 to
> rxq=2.

That's a valuable message: what's your DPDK HEAD commit while triggering
this issue?

	--yliu
> 
> Obviously, virtio needs to be fixed, but we need to check address anyway on
> vhost side, because we don't know what happens in guest in common case.
> 
> Best regards, Ilya Maximets.


More information about the dev mailing list