Re: [RFC PATCH v2 5/8] mseal: Check seal flag for munmap(2)

[Linus Torvalds]

On Tue, 17 Oct 2023 at 02:08, <jef...@chromium.org> wrote:
>
> Of all the call paths that call into do_vmi_munmap(),
> this is the only place where checkSeals = MM_SEAL_MUNMAP.
> The rest has checkSeals = 0.

Why?

None of this makes sense.

So you say "we can't munmap in this *one* place, but all others ignore
the sealing".

Crazy.

             Linus