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From: Steven Rostedt <rostedt@goodmis.org>
To: Kees Cook <keescook@chromium.org>
Cc: kernel-hardening@lists.openwall.com,
	John Wood <john.wood@gmx.com>,
	Matthew Wilcox <willy@infradead.org>,
	Jonathan Corbet <corbet@lwn.net>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Ingo Molnar <mingo@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Juri Lelli <juri.lelli@redhat.com>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	Dietmar Eggemann <dietmar.eggemann@arm.com>,
	Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
	Luis Chamberlain <mcgrof@kernel.org>,
	Iurii Zaikin <yzaikin@google.com>,
	James Morris <jmorris@namei.org>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org,
	linux-security-module@vger.kernel.org
Subject: Re: [RFC PATCH 3/6] security/fbfam: Use the api to manage statistics
Date: Tue, 29 Sep 2020 19:47:12 -0400	[thread overview]
Message-ID: <20200929194712.541c860c@oasis.local.home> (raw)
In-Reply-To: <202009101625.0E3B6242@keescook>

On Thu, 10 Sep 2020 16:33:38 -0700
Kees Cook <keescook@chromium.org> wrote:

> > @@ -1940,6 +1941,7 @@ static int bprm_execve(struct linux_binprm *bprm,
> >  	task_numa_free(current, false);
> >  	if (displaced)
> >  		put_files_struct(displaced);
> > +	fbfam_execve();  
> 
> As mentioned in the other emails, I think this could trivially be
> converted into an LSM: all the hooks are available AFAICT. If you only
> want to introspect execve _happening_, you can use bprm_creds_for_exec
> which is called a few lines above. Otherwise, my prior suggestion ("the
> exec has happened" hook via brpm_cred_committing, etc).

And if its information only, you could just register a callback to the
trace_sched_process_exec() tracepoint and do whatever you want then.

The tracepoints are available for anyone to attach to. Not just tracing.

-- Steve

  reply	other threads:[~2020-09-29 23:47 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-10 20:21 [RESEND][RFC PATCH 0/6] Fork brute force attack mitigation (fbfam) Kees Cook
2020-09-10 20:21 ` [RFC PATCH 1/6] security/fbfam: Add a Kconfig to enable the fbfam feature Kees Cook
2020-09-10 21:21   ` Jann Horn
2020-09-10 21:21     ` Jann Horn
2020-09-17 17:32     ` John Wood
2020-09-10 23:18   ` Kees Cook
2020-09-17 18:40     ` John Wood
2020-09-17 22:05       ` Kees Cook
2020-09-18 14:50         ` John Wood
2020-09-10 20:21 ` [RFC PATCH 2/6] security/fbfam: Add the api to manage statistics Kees Cook
2020-09-10 23:23   ` Kees Cook
2020-09-10 20:21 ` [RFC PATCH 3/6] security/fbfam: Use " Kees Cook
2020-09-10 20:27   ` Jann Horn
2020-09-10 20:27     ` Jann Horn
2020-09-10 23:33   ` Kees Cook
2020-09-29 23:47     ` Steven Rostedt [this message]
2020-09-29 23:49       ` Steven Rostedt
2020-10-03  9:52         ` John Wood
2020-09-10 20:21 ` [RFC PATCH 4/6] security/fbfam: Add a new sysctl to control the crashing rate threshold Kees Cook
2020-09-10 23:14   ` Kees Cook
2020-09-13 14:33     ` John Wood
2020-09-10 20:21 ` [RFC PATCH 5/6] security/fbfam: Detect a fork brute force attack Kees Cook
2020-09-10 21:10   ` Jann Horn
2020-09-10 21:10     ` Jann Horn
2020-09-13 17:54     ` John Wood
2020-09-14 19:42       ` Jann Horn
2020-09-14 19:42         ` Jann Horn
2020-09-15 18:44         ` John Wood
2020-09-10 23:49   ` Kees Cook
2020-09-11  0:01     ` Jann Horn
2020-09-11  0:01       ` Jann Horn
2020-09-13 16:56       ` John Wood
2020-09-14 19:39         ` Jann Horn
2020-09-14 19:39           ` Jann Horn
2020-09-15 17:36           ` John Wood
2020-09-12  0:47   ` kernel test robot
2020-09-10 20:21 ` [RFC PATCH 6/6] security/fbfam: Mitigate " Kees Cook
2020-09-10 20:55   ` Jann Horn
2020-09-10 20:55     ` Jann Horn
2020-09-10 23:56   ` Kees Cook
2020-09-11  0:20     ` Jann Horn
2020-09-11  0:20       ` Jann Horn
2020-09-18 16:02     ` John Wood
2020-09-18 21:35       ` Kees Cook
2020-09-19  8:01         ` John Wood
2020-09-10 20:39 ` [RESEND][RFC PATCH 0/6] Fork brute force attack mitigation (fbfam) Jann Horn
2020-09-10 20:39   ` Jann Horn
2020-09-10 23:58 ` Kees Cook
2020-09-11 14:48   ` John Wood
2020-09-12  7:55     ` Kees Cook
2020-09-12 12:24       ` John Wood
2020-09-12  0:03 ` James Morris
2020-09-12  7:56   ` Kees Cook
2020-09-12  9:36     ` John Wood
2020-09-12 14:47       ` Mel Gorman
2020-09-12 20:48         ` Ondrej Mosnacek
2020-09-12 20:48           ` Ondrej Mosnacek
2020-09-13  7:24           ` John Wood
2020-09-13  7:24             ` John Wood

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