On Tue, May 06, 2025 at 11:52:20AM +0200, Florent Revest wrote:

> While staring at include/linux/mm.h, I was wondering why VM_UFFD_MINOR and
> VM_SHADOW_STACK share the same bit on arm64. I think I gained enough confidence
> now to call it a bug.

Yes, it's a bug - it'll be an add/add conflict with those coming in via
different trees.