On Fri, Jul 29, 2016 at 10:08:48AM +0200, Maxime Villard wrote:
> It is not possible to keep a sysctl, since VM_MIN_ADDRESS is a constant
> used in assembly, so it won't be turned to a variable.
So find a different solution to fix the bugs.
>
> Now, it is a little hard to know how many emulators or whatever rely on
> null to be available. But many (most?) systems don't allow null nowadays,
> and null dereferences are a well-known issue. It is more or less becoming
> a standard. If a software fails on NetBSD because of a null mmap, then it
> is likely to fail on many other systems.
Just because many newer ("hardened") systems break compatibility with
existing programs doesn't justify the same to be done to NetBSD.
>
> I will commit [3] soon.
I strongly object that.
Joerg
