From: Kees Cook <kees.cook@canonical•com>
To: Ingo Molnar <mingo@elte•hu>
Cc: linux-mips@linux-mips•org, linux-sh@vger•kernel.org,
Peter Zijlstra <peterz@infradead•org>,
Frederic Weisbecker <fweisbec@gmail•com>,
Heiko Carstens <heiko.carstens@de•ibm.com>,
Oleg Nesterov <oleg@redhat•com>,
David Howells <dhowells@redhat•com>,
Paul Mackerras <paulus@samba•org>, Eric Paris <eparis@redhat•com>,
"H. Peter Anvin" <hpa@zytor•com>,
sparclinux@vger•kernel.org, Jiri Slaby <jslaby@suse•cz>,
linux-s390@vger•kernel.org, Russell King <linux@arm•linux.org.uk>,
x86@kernel•org, jmorris@namei•org,
Linus Torvalds <torvalds@linux-foundation•org>,
Ingo Molnar <mingo@redhat•com>,
linux-arm-kernel@lists•infradead.org,
"Serge E. Hallyn" <serge@hallyn•com>,
Peter Zijlstra <a.p.zijlstra@chello•nl>,
microblaze-uclinux@itee•uq.edu.au,
Steven Rostedt <rostedt@goodmis•org>,
Martin Schwidefsky <schwidefsky@de•ibm.com>,
Thomas Gleixner <tglx@linutronix•de>,
Roland McGrath <roland@redhat•com>, Michal Marek <mmarek@suse•cz>,
Michal Simek <monstr@monstr•eu>, Will Drewry <wad@chromium•org>,
linuxppc-dev@lists•ozlabs.org, linux-kernel@vger•kernel.org,
Ralf Baechle <ralf@linux-mips•org>,
Paul Mundt <lethal@linux-sh•org>, Tejun Heo <tj@kernel•org>,
linux390@de•ibm.com, Andrew Morton <akpm@linux-foundation•org>,
agl@chromium•org, "David S. Miller" <davem@davemloft•net>
Subject: Re: [PATCH 3/5] v2 seccomp_filters: Enable ftrace-based system call filtering
Date: Thu, 12 May 2011 02:24:24 -0700 [thread overview]
Message-ID: <20110512092424.GO28888@outflux.net> (raw)
In-Reply-To: <20110512074850.GA9937@elte.hu>
Hi,
On Thu, May 12, 2011 at 09:48:50AM +0200, Ingo Molnar wrote:
> 1) We already have a specific ABI for this: you can set filters for events via
> an event fd.
>
> Why not extend that mechanism instead and improve *both* your sandboxing
> bits and the events code? This new seccomp code has a lot more
> to do with trace event filters than the minimal old seccomp code ...
Would this require privileges to get the event fd to start with? If so,
I would prefer to avoid that, since using prctl() as shown in the patch
set won't require any privs.
-Kees
--
Kees Cook
Ubuntu Security Team
next prev parent reply other threads:[~2011-05-12 9:37 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1304017638.18763.205.camel@gandalf.stny.rr.com>
2011-05-12 3:02 ` [PATCH 3/5] v2 seccomp_filters: Enable ftrace-based system call filtering Will Drewry
2011-05-12 7:48 ` Ingo Molnar
2011-05-12 9:24 ` Kees Cook [this message]
2011-05-12 10:49 ` Ingo Molnar
2011-05-12 11:44 ` James Morris
2011-05-12 13:01 ` Ingo Molnar
2011-05-12 16:26 ` Will Drewry
2011-05-16 12:55 ` Ingo Molnar
2011-05-16 14:42 ` Will Drewry
2011-05-13 0:18 ` James Morris
2011-05-13 12:10 ` Ingo Molnar
2011-05-13 12:19 ` Peter Zijlstra
2011-05-13 12:26 ` Ingo Molnar
2011-05-13 12:39 ` Peter Zijlstra
2011-05-13 12:43 ` Peter Zijlstra
2011-05-13 12:54 ` Ingo Molnar
2011-05-13 13:08 ` Peter Zijlstra
2011-05-13 13:18 ` Ingo Molnar
2011-05-13 13:55 ` Peter Zijlstra
2011-05-13 14:57 ` Ingo Molnar
2011-05-13 15:27 ` Peter Zijlstra
2011-05-14 7:05 ` Ingo Molnar
2011-05-16 16:23 ` Steven Rostedt
2011-05-16 16:52 ` Ingo Molnar
2011-05-16 17:03 ` Steven Rostedt
2011-05-17 12:42 ` Ingo Molnar
2011-05-17 13:05 ` Steven Rostedt
2011-05-17 13:19 ` Ingo Molnar
2011-05-19 4:07 ` Will Drewry
2011-05-19 12:22 ` Steven Rostedt
2011-05-19 21:05 ` Will Drewry
2011-05-24 15:59 ` Will Drewry
2011-05-24 16:20 ` Peter Zijlstra
2011-05-24 16:25 ` Thomas Gleixner
2011-05-24 19:00 ` Will Drewry
2011-05-24 19:54 ` Ingo Molnar
2011-05-24 20:10 ` Ingo Molnar
2011-05-25 10:35 ` Thomas Gleixner
2011-05-25 15:01 ` Ingo Molnar
2011-05-25 17:43 ` Peter Zijlstra
2011-05-29 20:17 ` Ingo Molnar
2011-05-25 17:48 ` Thomas Gleixner
2011-05-26 8:43 ` Ingo Molnar
2011-05-26 9:15 ` Ingo Molnar
2011-05-24 20:08 ` Ingo Molnar
2011-05-24 20:14 ` Steven Rostedt
2011-05-13 15:17 ` Eric Paris
2011-05-13 15:29 ` [PATCH 3/5] v2 seccomp_filters: Enable ftrace-based system callfiltering David Laight
2011-05-16 12:03 ` Ingo Molnar
2011-05-13 12:49 ` [PATCH 3/5] v2 seccomp_filters: Enable ftrace-based system call filtering Ingo Molnar
2011-05-13 13:55 ` Peter Zijlstra
2011-05-13 15:02 ` Ingo Molnar
2011-05-13 15:10 ` Eric Paris
2011-05-13 15:23 ` Peter Zijlstra
2011-05-13 15:55 ` Eric Paris
2011-05-13 16:29 ` Will Drewry
2011-05-14 7:30 ` Ingo Molnar
2011-05-14 20:57 ` Will Drewry
2011-05-16 12:43 ` Ingo Molnar
2011-05-16 15:29 ` Will Drewry
2011-05-17 12:57 ` Ingo Molnar
2011-05-16 0:36 ` James Morris
2011-05-16 15:08 ` Ingo Molnar
2011-05-17 2:24 ` James Morris
2011-05-17 13:10 ` Ingo Molnar
2011-05-17 13:29 ` James Morris
2011-05-17 18:34 ` Ingo Molnar
2011-05-26 6:27 ` Pavel Machek
2011-05-26 8:35 ` Ingo Molnar
2011-05-12 12:15 ` Frederic Weisbecker
2011-05-12 11:33 ` James Morris
2011-05-13 19:35 ` Arnd Bergmann
2011-05-14 20:58 ` Will Drewry
2011-05-15 6:42 ` Arnd Bergmann
2011-05-16 12:00 ` Ingo Molnar
2011-05-16 15:26 ` Steven Rostedt
2011-05-16 15:28 ` Will Drewry
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