Re: [PATCH] binfmt_elf: Introduce KUnit test

[Alexey Dobriyan]

On Wed, Feb 23, 2022 at 09:43:32PM -0800, Kees Cook wrote:
> Adds simple KUnit test for some binfmt_elf internals: specifically a
> regression test for the problem fixed by commit 8904d9cd90ee ("ELF:
> fix overflow in total mapping size calculation").

This can be tested by small 2 segment program run from userspace.
Make 2 segments, swap them, and see executable rejected because mmap
gets too big an area.

	PT_ALEXEY