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Date: Wed, 26 Jun 2019 16:28:35 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Alexander Potapenko <glider@...gle.com>
Cc: Christoph Lameter <cl@...ux.com>, Kees Cook <keescook@...omium.org>,
Masahiro Yamada <yamada.masahiro@...ionext.com>, Michal Hocko
<mhocko@...nel.org>, James Morris <jmorris@...ei.org>, "Serge E. Hallyn"
<serge@...lyn.com>, Nick Desaulniers <ndesaulniers@...gle.com>, Kostya
Serebryany <kcc@...gle.com>, Dmitry Vyukov <dvyukov@...gle.com>, Sandeep
Patil <sspatil@...roid.com>, Laura Abbott <labbott@...hat.com>, Randy
Dunlap <rdunlap@...radead.org>, Jann Horn <jannh@...gle.com>, Mark Rutland
<mark.rutland@....com>, Marco Elver <elver@...gle.com>, Qian Cai
<cai@....pw>, linux-mm@...ck.org, linux-security-module@...r.kernel.org,
kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH v8 1/2] mm: security: introduce init_on_alloc=1 and
init_on_free=1 boot options
On Wed, 26 Jun 2019 14:19:42 +0200 Alexander Potapenko <glider@...gle.com> wrote:
> v8:
> - addressed comments by Michal Hocko: revert kernel/kexec_core.c and
> apply initialization in dma_pool_free()
> - disable init_on_alloc/init_on_free if slab poisoning or page
> poisoning are enabled, as requested by Qian Cai
> - skip the redzone when initializing a freed heap object, as requested
> by Qian Cai and Kees Cook
> - use s->offset to address the freeptr (suggested by Kees Cook)
> - updated the patch description, added Signed-off-by: tag
v8 failed to incorporate
https://ozlabs.org/~akpm/mmots/broken-out/mm-security-introduce-init_on_alloc=1-and-init_on_free=1-boot-options-fix.patch
and
https://ozlabs.org/~akpm/mmots/broken-out/mm-security-introduce-init_on_alloc=1-and-init_on_free=1-boot-options-fix-2.patch
it's conventional to incorporate such fixes when preparing a new
version of a patch.
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