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Re: Preview: portable dumper

From: Stefan Monnier
Subject: Re: Preview: portable dumper
Date: Tue, 29 Nov 2016 17:01:31 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)

> Although your other advantages sound good, this one sounds worrisome. If
> Emacs maps the dump to the same place every time, we are giving up ASLR for
> the dump itself, and won't that pose a potential security risk? If so,
> perhaps it would be better to not mmap to the base address stored in the
> dump (unless we can determine that ASLR is not in use, I suppose).

I live very happily without ASLR for Emacs right now.  So I'm not
worried about limiting ASLR to a subset of Emacs's heap.


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