From: Kees Cook <keescook@chromium.org>
To: Jason Yan <yanaijie@huawei.com>
Cc: mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org,
diana.craciun@nxp.com, christophe.leroy@c-s.fr,
benh@kernel.crashing.org, paulus@samba.org, npiggin@gmail.com,
kernel-hardening@lists.openwall.com,
linux-kernel@vger.kernel.org, wangkefeng.wang@huawei.com,
yebin10@huawei.com, thunder.leizhen@huawei.com,
jingxiangfeng@huawei.com, fanchengyang@huawei.com
Subject: Re: [RFC PATCH 00/10] implement KASLR for powerpc/fsl_booke/32
Date: Fri, 26 Jul 2019 09:15:57 -0700
Message-ID: <201907260914.E37F9B041@keescook> (raw)
In-Reply-To: <877d818d-b3ec-1cea-d024-4ad6aea7af60@huawei.com>
On Fri, Jul 26, 2019 at 03:20:26PM +0800, Jason Yan wrote:
> The boot code only maps one 64M zone at early start. If the kernel crosses
> two 64M zones, we need to map two 64M zones. Keep the kernel in one 64M
> saves a lot of complex codes.
Ah-ha. Gotcha. Thanks for the clarification.
> Yes, if this feature can be accepted, I will start to work with powerpc64
> KASLR and other things like CONFIG_RANDOMIZE_MEMORY.
Awesome. :)
--
Kees Cook
next prev parent reply index
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-17 8:06 Jason Yan
2019-07-17 8:06 ` [RFC PATCH 01/10] powerpc: unify definition of M_IF_NEEDED Jason Yan
2019-07-29 10:59 ` Christophe Leroy
2019-07-17 8:06 ` [RFC PATCH 02/10] powerpc: move memstart_addr and kernstart_addr to init-common.c Jason Yan
2019-07-29 11:00 ` Christophe Leroy
2019-07-29 14:31 ` Christoph Hellwig
2019-07-30 0:47 ` Jason Yan
2019-07-17 8:06 ` [RFC PATCH 03/10] powerpc: introduce kimage_vaddr to store the kernel base Jason Yan
2019-07-29 11:00 ` Christophe Leroy
2019-07-29 14:32 ` Christoph Hellwig
2019-07-17 8:06 ` [RFC PATCH 04/10] powerpc/fsl_booke/32: introduce create_tlb_entry() helper Jason Yan
2019-07-29 11:05 ` Christophe Leroy
2019-07-29 13:26 ` Jason Yan
2019-07-17 8:06 ` [RFC PATCH 05/10] powerpc/fsl_booke/32: introduce reloc_kernel_entry() helper Jason Yan
2019-07-29 11:08 ` Christophe Leroy
2019-07-29 13:35 ` Jason Yan
2019-07-17 8:06 ` [RFC PATCH 06/10] powerpc/fsl_booke/32: implement KASLR infrastructure Jason Yan
2019-07-29 11:16 ` Christophe Leroy
2019-07-17 8:06 ` [RFC PATCH 07/10] powerpc/fsl_booke/32: randomize the kernel image offset Jason Yan
2019-07-29 11:33 ` Christophe Leroy
2019-07-29 13:53 ` Jason Yan
2019-07-17 8:06 ` [RFC PATCH 08/10] powerpc/fsl_booke/kaslr: clear the original kernel if randomized Jason Yan
2019-07-29 11:19 ` Christophe Leroy
2019-07-29 13:43 ` Jason Yan
2019-07-17 8:06 ` [RFC PATCH 09/10] powerpc/fsl_booke/kaslr: support nokaslr cmdline parameter Jason Yan
2019-07-29 11:38 ` Christophe Leroy
2019-07-29 14:04 ` Jason Yan
2019-07-17 8:06 ` [RFC PATCH 10/10] powerpc/fsl_booke/kaslr: dump out kernel offset information on panic Jason Yan
2019-07-29 11:43 ` Christophe Leroy
2019-07-29 14:08 ` Jason Yan
2019-07-25 7:16 ` [RFC PATCH 00/10] implement KASLR for powerpc/fsl_booke/32 Jason Yan
2019-07-25 19:58 ` Kees Cook
2019-07-26 7:20 ` Jason Yan
2019-07-26 16:15 ` Kees Cook [this message]
2019-07-26 7:04 ` Diana Madalina Craciun
2019-07-26 7:26 ` Jason Yan
2019-07-29 14:30 ` Diana Madalina Craciun
Reply instructions:
You may reply publically to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=201907260914.E37F9B041@keescook \
--to=keescook@chromium.org \
--cc=benh@kernel.crashing.org \
--cc=christophe.leroy@c-s.fr \
--cc=diana.craciun@nxp.com \
--cc=fanchengyang@huawei.com \
--cc=jingxiangfeng@huawei.com \
--cc=kernel-hardening@lists.openwall.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mpe@ellerman.id.au \
--cc=npiggin@gmail.com \
--cc=paulus@samba.org \
--cc=thunder.leizhen@huawei.com \
--cc=wangkefeng.wang@huawei.com \
--cc=yanaijie@huawei.com \
--cc=yebin10@huawei.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Kernel-hardening archive on lore.kernel.org
Archives are clonable:
git clone --mirror https://lore.kernel.org/kernel-hardening/0 kernel-hardening/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 kernel-hardening kernel-hardening/ https://lore.kernel.org/kernel-hardening \
kernel-hardening@lists.openwall.com kernel-hardening@archiver.kernel.org
public-inbox-index kernel-hardening
Example config snippet for mirrors
Newsgroup available over NNTP:
nntp://nntp.lore.kernel.org/com.openwall.lists.kernel-hardening
AGPL code for this site: git clone https://public-inbox.org/ public-inbox