https://bugzilla.kernel.org/show_bug.cgi?id=202445
--- Comment #8 from Clément Guérin (libcg@protonmail.com) --- Strange. It looks like this commit has been merged in the mainline kernel before rc1. https://github.com/torvalds/linux/commit/180db303ff466a3887c841e805568b92233...
This should be a legitimate bug then.