On Tue, Sep 6, 2016 at 1:36 PM, Dave Hansen <[email protected]> wrote:
> 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?

Anything printing memory addresses should be using %pK (not %lx as done here).

-Kees

-- 
Kees Cook
Nexus Security

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