From: Peter Zijlstra <peterz@infradead.org>
To: Roland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@redhat.com>,
Dario Faggioli <raistlin@linux.it>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel <linux-kernel@vger.kernel.org>,
torbenh <torbenh@gmx.de>,
john.stultz@linaro.org, Ingo Molnar <mingo@elte.hu>
Subject: Re: [PATCH] Read THREAD_CPUTIME clock from other processes.
Date: Fri, 07 Jan 2011 20:56:15 +0100 [thread overview]
Message-ID: <1294430175.2016.455.camel@laptop> (raw)
In-Reply-To: <20110107195016.2334940467@magilla.sf.frob.com>
On Fri, 2011-01-07 at 11:50 -0800, Roland McGrath wrote:
> I think the constraints on /proc/.../stat reflect the most considered
> judgement of the security folks. I suspect that the lack of constraint on
> /proc/.../schedstat reflects the scheduler folks just having failed to
> consider the same issues. IMHO all access to the equivalent kinds of
> information should have the same security constraints.
FWIW I'm fine with adding a PTRACE_MAY_READ constraint on schedstat.
next prev parent reply other threads:[~2011-01-07 19:56 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-23 16:21 [PATCH] Read THREAD_CPUTIME clock from other processes Dario Faggioli
2010-12-23 16:44 ` Oleg Nesterov
2010-12-23 17:38 ` Dario Faggioli
2010-12-23 18:12 ` Oleg Nesterov
2010-12-24 11:36 ` Dario Faggioli
2010-12-23 17:21 ` Randy Dunlap
2010-12-23 17:43 ` Dario Faggioli
2010-12-28 10:55 ` [PATCH resend] Reading POSIX CPU timer from outside the process Dario Faggioli
2010-12-28 16:38 ` Oleg Nesterov
2010-12-28 21:38 ` Dario Faggioli
2010-12-29 13:21 ` Oleg Nesterov
2010-12-29 14:10 ` Dario Faggioli
2010-12-29 18:30 ` Oleg Nesterov
2010-12-30 17:45 ` torbenh
2011-01-04 11:01 ` Dario Faggioli
2011-01-06 16:06 ` torbenh
2011-01-07 19:28 ` [PATCH] Read THREAD_CPUTIME clock from other processes Roland McGrath
2011-01-07 19:35 ` Oleg Nesterov
2011-01-07 19:50 ` Roland McGrath
2011-01-07 19:49 ` Oleg Nesterov
2011-01-07 19:58 ` Roland McGrath
2011-01-07 19:56 ` Peter Zijlstra [this message]
2011-01-08 11:12 ` Dario Faggioli
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