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Date: Sat, 3 Sep 2016 19:54:13 +1000
From: Paul Mackerras <paulus@ozlabs.org>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 1/3] powerpc/mm: Don't alias user region to other regions
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On Fri, Sep 02, 2016 at 05:52:16PM +0530, Aneesh Kumar K.V wrote:
> 
> Hi Paul,
> 
> Really nice catch. Was this found by code analysis or do we have any
> reported issue around this ?

I found it by code analysis.

I haven't been able to find any really bad consequence, beyond leaking
some information about kernel memory.  Can you find any worse
consequence?

Paul.