[dpdk-stable] [PATCH 2/4] vhost: fix potential use-after-free for zero copy mbuf

[Maxime Coquelin]

On 2/22/19 3:42 AM, Tiwei Bie wrote:
> Don't free the zero copy mbufs before they have been consumed,
> 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      | 12 ++++++++++++
>   lib/librte_vhost/vhost_user.c |  3 +++
>   lib/librte_vhost/virtio_net.c | 12 ------------
>   3 files changed, 15 insertions(+), 12 deletions(-)


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

Thanks,
Maxime