Rusty Russell <ru...@rustcorp.com.au> writes:
> "Michael S. Tsirkin" <m...@redhat.com> writes:
>> On Wed, Jan 16, 2013 at 01:43:32PM +1030, Rusty Russell wrote:
>>> "Michael S. Tsirkin" <m...@redhat.com> writes:
>>> >> +static int resize_iovec(struct vringh_iov *iov, gfp_t gfp)
>>> >> +{
>>> >> + struct iovec *new;
>>> >> + unsigned int new_num = iov->max * 2;
>>> >
>>> > We must limit this I think, this is coming
>>> > from userspace. How about UIO_MAXIOV?
>>>
>>> We limit it to the ring size already;
>>
>> 1. do we limit it in case there's a loop in the descriptor ring?
I didn't get a chance to do these revisions, as I spent today debugging
the test framework. I won't get any more work on it until next week, so
I've posted a rough series anyway for feedback (can also be found
in my pending-rebases branch on kernel.org).
Thanks!
Rusty.
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