Allocine is reporting that Knock Knock, directed by Eli Roth, is expected to be shown in competition on September 5, 2015 and will be presented by Keanu Reeves who will also be honored at the festival. As part of the tribute the Festival organizers are also planning a retrospective of his most memorable films.
Variety has also reported on the tribute.
Update: The Deauville Festival’s website has posted the official notice on the tribute for Keanu here. Many thanks to betty for the link. Note, in the upper right corner you can choose to view the site in French or English.