Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Thu, 5 Mar 2020 13:49:08 -0700
From: Tycho Andersen <>
To: Arvind Sankar <>
Cc: Kees Cook <>, "Tobin C . Harding" <>,,
	Dave Hansen <>,
	Andy Lutomirski <>,
	Peter Zijlstra <>,,
Subject: Re: [PATCH v3] x86/mm/init_32: Stop printing the virtual memory

On Thu, Mar 05, 2020 at 10:01:52AM -0500, Arvind Sankar wrote:
> For security, don't display the kernel's virtual memory layout.
> Kees Cook points out:
> "These have been entirely removed on other architectures, so let's
> just do the same for ia32 and remove it unconditionally."
> 071929dbdd86 ("arm64: Stop printing the virtual memory layout")
> 1c31d4e96b8c ("ARM: 8820/1: mm: Stop printing the virtual memory layout")
> 31833332f798 ("m68k/mm: Stop printing the virtual memory layout")
> fd8d0ca25631 ("parisc: Hide virtual kernel memory layout")
> adb1fe9ae2ee ("mm/page_alloc: Remove kernel address exposure in free_reserved_area()")
> Signed-off-by: Arvind Sankar <>

Acked-by: Tycho Andersen <>

Powered by blists - more mailing lists

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