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Date: Tue, 6 Sep 2016 13:36:21 -0700 From: Dave Hansen <dave.hansen@...el.com> To: Anshuman Khandual <khandual@...ux.vnet.ibm.com>, linux-mm@...ck.org, linux-kernel@...r.kernel.org Cc: akpm@...ux-foundation.org, Kees Cook <kees@...flux.net> Subject: Re: [PATCH V3] mm: Add sysfs interface to dump each node's zonelist information On 09/06/2016 01:31 AM, Anshuman Khandual wrote: > [NODE (0)] > ZONELIST_FALLBACK > (0) (node 0) (zone DMA c00000000140c000) > (1) (node 1) (zone DMA c000000100000000) > (2) (node 2) (zone DMA c000000200000000) > (3) (node 3) (zone DMA c000000300000000) > ZONELIST_NOFALLBACK > (0) (node 0) (zone DMA c00000000140c000) Don't we have some prohibition on dumping out kernel addresses like this so that attackers can't trivially defeat kernel layout randomization?
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