>>> On 15.08.17 at 14:30, <andrew.coop...@citrix.com> wrote:
> --- a/xen/common/grant_table.c
> +++ b/xen/common/grant_table.c
> @@ -2345,6 +2345,12 @@ __acquire_grant_for_copy(
> * non-zero refcount and hence a valid owner.
> */
> ASSERT(td);
> +
> + if ( td != rd )
> + {
> + ASSERT(td == act->trans_domain);
> + rcu_lock_domain(td);
> + }
> }
>
> act->pin += readonly ? GNTPIN_hstr_inc : GNTPIN_hstw_inc;
I think this is superseded by patch 2 of the XSA-226 series just sent.
Jan
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