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Date: Wed, 4 Oct 2017 10:58:50 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: "Tobin C. Harding" <me@...in.cc>
Cc: Petr Mladek <pmladek@...e.com>, Joe Perches <joe@...ches.com>,
	Ian Campbell <ijc@...lion.org.uk>,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
	kernel-hardening@...ts.openwall.com, linux-kernel@...r.kernel.org,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Steven Rostedt <rostedt@...dmis.org>,
	William Roberts <william.c.roberts@...el.com>,
	Chris Fries <cfries@...gle.com>, Dave Weinstein <olorin@...gle.com>
Subject: Re: [RFC V2 0/6] add more kernel pointer filter
 options

On Sun, Oct 01, 2017 at 11:06:44AM +1100, Tobin C. Harding wrote:
> Version 2 of Greg's patch series with changes made as suggested by comments to V1.
> 
> Applies on top of Linus' current development tree
> 
> a8c964eacb21288b2dbfa9d80cee5968a3b8fb21
> 
> V1 cover letter:
> 
> Here's a short patch series from Chris Fries and Dave Weinstein that
> implements some new restrictions when printing out kernel pointers, as
> well as the ability to whitelist kernel pointers where needed.
> 
> These patches are based on work from William Roberts, and also are
> inspired by grsecurity's %pP to specifically whitelist a kernel pointer,
> where it is always needed, like the last patch in the series shows, in
> the UIO drivers (UIO requires that you know the address, it's a hardware
> address, nothing wrong with seeing that...)
> 
> I haven't done much to this patch series, only forward porting it from
> an older kernel release (4.4) and a few minor tweaks. [snip]

Nice!  Thanks for doing this work, looks great to me.  Care to resend
the next version as a "real" one (i.e. no RFC)?

thanks,

greg k-h

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