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Date: Wed, 4 Oct 2017 15:26:50 +0200
From: Greg KH <gregkh@linuxfoundation.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: "Tobin C. Harding" <me@tobin.cc>, Petr Mladek <pmladek@suse.com>,
        Joe Perches <joe@perches.com>, Ian Campbell <ijc@hellion.org.uk>,
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        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will.deacon@arm.com>,
        William Roberts <william.c.roberts@intel.com>,
        Chris Fries <cfries@google.com>, Dave Weinstein <olorin@google.com>
Subject: Re: [kernel-hardening] [RFC V2 1/6] lib: vsprintf: additional kernel
 pointer filtering options
Message-ID: <20171004132650.GA30219@kroah.com>
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On Wed, Oct 04, 2017 at 09:08:57AM -0400, Steven Rostedt wrote:
> On Wed, 4 Oct 2017 10:55:42 +0200
> Greg KH <gregkh@linuxfoundation.org> wrote:
> 
> > On Sun, Oct 01, 2017 at 11:06:45AM +1100, Tobin C. Harding wrote:
> > > Add the kptr_restrict setting of 3 which results in both
> > > %p and %pK values being replaced by zeros.
> > > 
> > > Add an additional %pP value inspired by the Grsecurity
> > > option which explicitly whitelists pointers for output.
> > > 
> > > Amend scripts/checkpatch.pl to handle %pP.
> > > 
> > > This patch is based on work by William Roberts
> > > <william.c.roberts@intel.com>
> > > 
> > > Signed-off-by: Tobin C. Harding <me@tobin.cc>  
> > 
> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> 
> Greg,
> 
> I'm curious to why you are adding a "Signed-off-by"? That usually means
> that you either help author it, or it is going through your tree. I've
> never seen a "Signed-off-by" in passing. That's usually a "Acked-by" or
> "Reviewed-by".

I did help author it :)

Hope that helps,

greg k-h