KASAN use-after-free report during piglit run

[Christian König]

Well I've found a minor bug in TTM (false positive warning), but was 
never able to reproduce this issue.

What hardware generation did you use for testing?

Christian.


Am 25.10.2017 um 17:54 schrieb Michel Dänzer:
> On 25/10/17 05:51 PM, Christian König wrote:
>> Going to take a look tomorrow.
> Thanks.
>
> FWIW, it's the line at drivers/dma-buf/reservation.c:485:
>
> 	if (!fence && wait_all) {
> 		struct reservation_object_list *fobj =
> 						rcu_dereference(obj->fence);
>
> 		if (fobj)
> 			shared_count = fobj->shared_count; <===
>
>