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Enable the kernel page allocator poisoning
Originally created by @intrigeri on #12089 (Redmine)
Following-up on #11886 (closed), extracting this bit so that we can close #11886 (closed) in Tails 2.10.
- http://kernsec.org/wiki/index.php/Kernel_Self_Protection_Project
- https://outflux.net/blog/archives/2016/09/30/security-things-in-linux-v4-6/
This requires CONFIG_PAGE_POISONING=y, requested for the Debian kernel
in https://bugs.debian.org/849450.
Feature Branch: bugfix/12354-drop-kexec-memory-wipe
Related issues
- Related to #12354 (closed)
- Blocked by #12122 (closed)
- Blocks #12090 (closed)
- Blocked by #12298 (closed)