On Wed, Apr 20, 2016 at 03:08:19PM +0100, Tvrtko Ursulin wrote: > Otherwise execlists_check_remove_request when accessing > head_req->ctx is use after free. And I can demonstrate that easily > via gem-close-race. Put a > WARN_ON(atomic_read(&head_req->ctx->ref.refcount) == 0); and see. :) More to the point, could we do a 10s burst of close race for BAT. What's the likelihood of that capturing such faults? With lockdep/kmemcheck etc enabled? -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
