Re: [PATCH net] cls_flower: fix use after free in flower S/W path

[Cong Wang]

On Wed, Jun 20, 2018 at 10:34 AM, Paolo Abeni <pab...@redhat.com> wrote:
>
> +static void fl_mask_free(struct fl_flow_mask *mask)
> +{
> +       rhashtable_destroy(&mask->ht);

I don't believe you can call rhashtable_destroy() in BH
context, it acquires a mutex...