From: Greg KH <gregkh@linuxfoundation.org>
To: Petr Mladek <pmladek@suse.com>
Cc: kernel-hardening@lists.openwall.com,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
linux-kernel@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
William Roberts <william.c.roberts@intel.com>,
Chris Fries <cfries@google.com>,
Dave Weinstein <olorin@google.com>
Subject: Re: [RFC 5/6] lib: vsprintf: Add "%paP", "%padP" options
Date: Thu, 18 May 2017 16:12:15 +0200 [thread overview]
Message-ID: <20170518141215.GC23654@kroah.com> (raw)
In-Reply-To: <20170516144104.GA8621@pathway.suse.cz>
On Tue, May 16, 2017 at 04:41:04PM +0200, Petr Mladek wrote:
> On Fri 2017-05-05 21:07:47, Greg KH wrote:
> > From: Chris Fries <cfries@google.com>
> >
> > Add %paP and %padP for physical address that need to always be shown
> > regardless of kptr restrictions.
> >
> > Cc: William Roberts <william.c.roberts@intel.com>
> > Cc: Dave Weinstein <olorin@google.com>
> > Signed-off-by: Chris Fries <cfries@google.com>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > ---
> > Documentation/printk-formats.txt | 10 ++++++----
> > lib/vsprintf.c | 12 +++++++++---
> > 2 files changed, 15 insertions(+), 7 deletions(-)
>
> This patch should update also the section about
> kptr_restrict in Documentation/sysctl/kernel.txt.
> It should mention that the trailing P allows to see
> pointers also for %pa, and %p[rR] formats when
> the level is 4.
Ah, good point, will do!
greg k-h
next prev parent reply other threads:[~2017-05-18 14:12 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-06 4:06 [RFC 00/06] printk: add more new kernel pointer filter options Greg KH
2017-05-06 4:06 ` [RFC 1/6] lib: vsprintf: additional kernel pointer filtering options Greg KH
2017-05-16 11:58 ` Petr Mladek
2017-05-18 14:12 ` Greg KH
2017-05-06 4:07 ` [RFC 2/6] lib: vsprintf: whitelist stack traces Greg KH
2017-05-06 4:07 ` [RFC 3/6] lib: vsprintf: physical address kernel pointer filtering options Greg KH
2017-05-06 10:48 ` [kernel-hardening] " Ian Campbell
2017-05-06 4:07 ` [RFC 4/6] lib: vsprintf: default kptr_restrict to the maximum value Greg KH
2017-05-06 4:07 ` [RFC 5/6] lib: vsprintf: Add "%paP", "%padP" options Greg KH
2017-05-06 4:42 ` Joe Perches
2017-05-06 5:00 ` Greg KH
2017-05-16 14:41 ` Petr Mladek
2017-05-18 14:12 ` Greg KH [this message]
2017-05-06 4:07 ` [RFC 6/6] drivers: uio: Un-restrict sysfs pointers for UIO Greg KH
2017-05-11 1:37 ` [RFC 00/06] printk: add more new kernel pointer filter options Sergey Senozhatsky
2017-05-16 21:36 ` Roberts, William C
2017-05-18 14:13 ` Greg KH
2017-05-19 20:25 ` Roberts, William C
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