[dpdk-stable] [PATCH 3/4] vhost: fix potential use-after-free for memory region

[Maxime Coquelin]

On 2/22/19 3:42 AM, Tiwei Bie wrote:
> Reclaim outstanding zmbufs first before freeing memory regions,
> otherwise there could be use-after-free.
> 
> Fixes: b0a985d1f340 ("vhost: add dequeue zero copy")
> Cc:stable at dpdk.org
> 
> Signed-off-by: Tiwei Bie<tiwei.bie at intel.com>
> ---
>   lib/librte_vhost/vhost.h      |  6 +++++
>   lib/librte_vhost/vhost_user.c | 46 +++++++++++++++++++++++++----------
>   lib/librte_vhost/virtio_net.c |  6 -----
>   3 files changed, 39 insertions(+), 19 deletions(-)


Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>

Thanks,
Maxime