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bug#11398: 24.0.95; Segfault in unexec on Linux 3.3* with grsecurity/PaX
From: |
Eli Zaretskii |
Subject: |
bug#11398: 24.0.95; Segfault in unexec on Linux 3.3* with grsecurity/PaX |
Date: |
Wed, 28 Aug 2019 17:51:33 +0300 |
> From: Stefan Kangas <stefan@marxist.se>
> Date: Wed, 28 Aug 2019 15:52:27 +0200
> Cc: Jan Djärv <jan.h.d@swipnet.se>, 11398@debbugs.gnu.org
>
> Is this still an issue with Emacs 27.0.50 (current master branch)?
>
> etc/NEWS says:
>
> ** Emacs now uses a "portable dumper" instead of unexec.
> This improves compatibility with memory allocation on modern systems,
> and in particular better supports the Address Space Layout
> Randomization (ASLR) feature, a security technique used by most modern
> operating systems.
Due to pdumper, I don't believe this could be a problem anymore.