Re: [PATCH -mm 3/3] ELF, coredump: allow process with empty address space to coredump

[Alexey Dobriyan]

On Sun, Dec 22, 2019 at 05:44:21PM +0300, Alexey Dobriyan wrote:
> Unmapping whole address space at once with
> 
> 	munmap(0, (1ULL<<47) - 4096)
> 
> or equivalent will create empty coredump.

>  tools/testing/selftests/exec/Makefile            |    1 
>  tools/testing/selftests/exec/coredump-zero-vma.c |   38 +++++++++++++++++++++++

Oh, disreard this.
Test should fork and wait properly.