I sent the patch anyway, since it's kind of a robustness improvement,
I'd hope. If you fix BFQ also, please add:
Reported-by: Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx>
Root-caused-by: Kees Cook <keescook@xxxxxxxxxxxx>
:) I gotta task-switch to other things!
Thanks for the pointers, and thank you Oleksandr for providing the reproducer!