From: Petr Mladek <pmladek@suse.com>
To: Greg KH <gregkh@linuxfoundation.org>
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: Tue, 16 May 2017 16:41:04 +0200 [thread overview]
Message-ID: <20170516144104.GA8621@pathway.suse.cz> (raw)
In-Reply-To: <20170506040747.GF32707@kroah.com>
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.
Best Regards,
Petr
next prev parent reply other threads:[~2017-05-16 14:41 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 [this message]
2017-05-18 14:12 ` Greg KH
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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