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From: jmorris@namei.org (James Morris)
To: linux-security-module@vger.kernel.org
Subject: [PATCH 02/24] Add the ability to lock down access to the running kernel image
Date: Thu, 6 Apr 2017 18:44:16 +1000 (AEST)	[thread overview]
Message-ID: <alpine.LRH.2.20.1704061840090.12226@namei.org> (raw)
In-Reply-To: <149141221365.31282.16276273075946694481.stgit@warthog.procyon.org.uk>

On Wed, 5 Apr 2017, David Howells wrote:

> +#include <linux/security.h>
> +#include <linux/export.h>
> +
> +static __read_mostly bool kernel_locked_down;

How about marking this __ro_after_init if ALLOW_LOCKDOWN_LIFT is not 
configured?


-- 
James Morris
<jmorris@namei.org>

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  reply	other threads:[~2017-04-06  8:44 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-05 17:09 [PATCH 00/24] Kernel lockdown David Howells
2017-04-05 17:10 ` [PATCH 01/24] efi: Add EFI_SECURE_BOOT bit David Howells
2017-04-05 17:10 ` [PATCH 02/24] Add the ability to lock down access to the running kernel image David Howells
2017-04-06  8:44   ` James Morris [this message]
2017-04-06 10:43     ` David Howells
2017-04-06 21:55       ` James Morris
2017-04-05 17:10 ` [PATCH 03/24] efi: Lock down the kernel if booted in secure boot mode David Howells
2017-04-05 17:10 ` [PATCH 04/24] Enforce module signatures if the kernel is locked down David Howells
2017-04-05 17:10 ` [PATCH 05/24] Restrict /dev/mem and /dev/kmem when " David Howells
2017-04-05 17:10 ` [PATCH 06/24] Add a sysrq option to exit secure boot mode David Howells
2017-04-05 17:10 ` [PATCH 07/24] kexec: Disable at runtime if the kernel is locked down David Howells
2017-04-05 17:11 ` [PATCH 08/24] Copy secure_boot flag in boot params across kexec reboot David Howells
2017-04-05 17:11 ` [PATCH 09/24] kexec_file: Disable at runtime if securelevel has been set David Howells
2017-04-05 17:11 ` [PATCH 10/24] hibernate: Disable when the kernel is locked down David Howells
2017-04-05 17:11 ` [PATCH 11/24] uswsusp: " David Howells
2017-04-05 17:11 ` [PATCH 12/24] PCI: Lock down BAR access " David Howells
2017-04-05 17:11 ` [PATCH 13/24] x86: Lock down IO port " David Howells
2017-04-05 17:12 ` [PATCH 14/24] x86: Restrict MSR " David Howells
2017-04-05 17:34   ` Kees Cook
2017-04-05 17:12 ` [PATCH 15/24] asus-wmi: Restrict debugfs interface " David Howells
2017-04-05 17:12 ` [PATCH 16/24] ACPI: Limit access to custom_method " David Howells
2017-04-05 17:12 ` [PATCH 17/24] acpi: Ignore acpi_rsdp kernel param when the kernel has been " David Howells
2017-04-05 17:12 ` [PATCH 18/24] acpi: Disable ACPI table override if the kernel is " David Howells
2017-04-05 17:12 ` [PATCH 19/24] acpi: Disable APEI error injection " David Howells
2017-04-05 19:57 ` [PATCH 00/24] Kernel lockdown David Howells
2017-04-06  8:25 ` James Morris
2017-04-06  8:37   ` David Howells
  -- strict thread matches above, loose matches on Subject: below --
2017-04-05 20:14 David Howells
2017-04-05 20:14 ` [PATCH 02/24] Add the ability to lock down access to the running kernel image David Howells
2017-04-05 17:07 [PATCH 00/24] Kernel lockdown David Howells
2017-04-05 17:07 ` [PATCH 02/24] Add the ability to lock down access to the running kernel image David Howells

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