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Date: Wed, 4 Oct 2017 10:58:50 +0200
From: Greg KH <>
To: "Tobin C. Harding" <>
Cc: Petr Mladek <>, Joe Perches <>,
	Ian Campbell <>,
	Sergey Senozhatsky <>,,,
	Catalin Marinas <>,
	Will Deacon <>,
	Steven Rostedt <>,
	William Roberts <>,
	Chris Fries <>, Dave Weinstein <>
Subject: Re: [RFC V2 0/6] add more kernel pointer filter

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)?


greg k-h

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