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Message-ID: <20171004085805.GE28247@kroah.com>
Date: Wed, 4 Oct 2017 10:58:05 +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 3/6] lib: vsprintf: physical address
kernel pointer filtering options
On Sun, Oct 01, 2017 at 11:06:47AM +1100, Tobin C. Harding wrote:
> Add the kptr_restrict setting of 4 which results in %pa and
> %p[rR] values being cleansed.
>
> Address types printed with %pa are replaced by zeros. Resources printed
> with %p[rR] have the starting address replaced by zeros, resource size
> is still shown.
>
> Signed-off-by: Tobin C. Harding <me@...in.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
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