From: Michael Ellerman <mpe@ellerman.id.au>
To: "Tobin C. Harding" <me@tobin.cc>
Cc: kernel-hardening@lists.openwall.com,
"Jason A. Donenfeld" <Jason@zx2c4.com>,
"Theodore Ts'o" <tytso@mit.edu>,
Linus Torvalds <torvalds@linux-foundation.org>,
Kees Cook <keescook@chromium.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Tycho Andersen <tycho@docker.com>, "Roberts\,
William C" <william.c.roberts@intel.com>,
Tejun Heo <tj@kernel.org>,
Jordan Glover <Golden_Miller83@protonmail.ch>,
Greg KH <gregkh@linuxfoundation.org>,
Petr Mladek <pmladek@suse.com>, Joe Perches <joe@perches.com>,
Ian Campbell <ijc@hellion.org.uk>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <wilal.deacon@arm.com>,
Steven Rostedt <rostedt@goodmis.org>,
Chris Fries <cfries@google.com>,
Dave Weinstein <olorin@google.com>,
Daniel Micay <danielmicay@gmail.com>,
Djalal Harouni <tixxdz@gmail.com>,
linux-kernel@vger.kernel.org,
Network Development <netdev@vger.kernel.org>,
David Miller <davem@davemloft.net>
Subject: Re: [kernel-hardening] [PATCH v4] scripts: add leaking_addresses.pl
Date: Thu, 09 Nov 2017 11:49:52 +1100 [thread overview]
Message-ID: <87y3ng1djj.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <20171108224832.GD27823@eros>
"Tobin C. Harding" <me@tobin.cc> writes:
> On Wed, Nov 08, 2017 at 11:10:56PM +1100, Michael Ellerman wrote:
>> "Tobin C. Harding" <me@tobin.cc> writes:
> [snip]
>
> Hi Michael,
>
> I'm working an adding support for ppc64 to leaking_addresses.pl, I've
> added the kernel address regular expression that you suggested.
Thanks!
> I'd like to add the false positive for vsyscall addresses. Excuse my
> ignorance but does PowerPC use a constant address range for vsyscall like x86_64
> does? The ppc64 machine I have access to does not output anything for
>
> $ cat /proc/PID/tasks/PID/smaps or
> $ cat /proc/PID/tasks/PID/maps
No we only have the vdso style vsyscall, which is mapped at user
addresses and is subject to ASLR, so you shouldn't need to worry about
it.
cheers
next prev parent reply other threads:[~2017-11-09 0:49 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-07 10:32 Tobin C. Harding
2017-11-07 10:50 ` Greg KH
2017-11-07 20:51 ` Tobin C. Harding
2017-11-07 13:56 ` David Laight
2017-11-07 20:58 ` Tobin C. Harding
2017-11-07 21:11 ` Linus Torvalds
2017-11-07 15:51 ` Petr Mladek
2017-11-07 20:39 ` Tobin C. Harding
2017-11-07 23:36 ` [kernel-hardening] " Laura Abbott
2017-11-08 0:59 ` Linus Torvalds
2017-11-08 20:39 ` Linus Torvalds
2017-11-09 4:43 ` Kaiwan N Billimoria
2017-11-09 4:54 ` Kaiwan N Billimoria
2017-11-09 18:11 ` Steven Rostedt
2017-11-10 3:03 ` Kaiwan N Billimoria
2017-11-08 1:13 ` Tobin C. Harding
2017-11-08 12:10 ` Michael Ellerman
2017-11-08 21:16 ` Tobin C. Harding
2017-11-08 22:48 ` Tobin C. Harding
2017-11-09 0:49 ` Michael Ellerman [this message]
2017-11-09 2:08 ` Tobin C. Harding
2017-11-10 22:12 ` Frank Rowand
2017-11-12 11:49 ` Michael Ellerman
2017-11-12 18:02 ` Frank Rowand
2017-11-12 21:18 ` Tobin C. Harding
2017-11-13 1:06 ` Michael Ellerman
2017-11-10 13:56 ` kaiwan.billimoria
2017-11-12 22:21 ` Tobin C. Harding
2017-11-13 5:46 ` kaiwan.billimoria
2017-11-13 6:08 ` Tobin C. Harding
2017-11-13 6:52 ` Kaiwan N Billimoria
2017-11-20 15:39 ` Petr Mladek
2017-11-19 23:56 ` Tobin C. Harding
2017-11-11 23:10 ` Kirill A. Shutemov
2017-11-12 23:06 ` Tobin C. Harding
2017-11-13 3:37 ` Kirill A. Shutemov
2017-11-13 4:35 ` Tobin C. Harding
2017-11-13 5:27 ` [kernel-hardening] " Kaiwan N Billimoria
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