Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Thu, 7 Apr 2016 02:49:58 +0200
From: Ingo Molnar <>
To: "Rafael J. Wysocki" <>
Cc: Kees Cook <>,
	Linus Torvalds <>,
	"Rafael J. Wysocki" <>,
	Pavel Machek <>,
	Ard Biesheuvel <>,
	Matt Redfearn <>,
	Yves-Alexis Perez <>, Emrah Demir <>,
	Jonathan Corbet <>,
	the arch/x86 maintainers <>,
	"Rafael J. Wysocki" <>,
	Len Brown <>, Borislav Petkov <>,
	Andy Lutomirski <>,
	"open list:DOCUMENTATION" <>,
	"" <>,
	Linux Kernel Mailing List <>,
	"" <>
Subject: Re: [PATCH] Prefer kASLR over Hibernation

* Rafael J. Wysocki <> wrote:

> [...]
> One of the weak points is the final jump, because it has to be done to the 
> physical location of the image kernel's entry point even though the virtual 
> addresses of it may differ between the boot and the image kernels.  The seed is 
> not needed for that, only the physical address of the entry point.  The boot 
> kernel doesn't have it today, though, because the virtual address of that is 
> passed in the image header. That should not be too difficult to change, however.

I didn't realize we jumped to the image kernel as well - I (wrongly) assumed we 
kept the bootup kernel. That should indeed make hibernation mostly 



Powered by blists - more mailing lists

Your e-mail address:

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.