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Message-ID: <CAEk6tEyQ1D=omQPLUL0+dAJFd_vRY2+UVER9VVZKaAu5L0Vn4w@mail.gmail.com>
Date: Wed, 08 Feb 2017 14:23:41 +0000
From: Jessica Frazelle <me@...sfraz.com>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: Kees Cook <keescook@...gle.com>, Xing Gao <xgao01@...il.wm.edu>,
LKML <linux-kernel@...r.kernel.org>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>,
"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: /proc/timer_list leaks the real pids of the associated processes
Don't worry I wasn't saying it was useful.
It's unnecessary.
On Wed, Feb 8, 2017, 01:47 Thomas Gleixner <tglx@...utronix.de> wrote:
> On Tue, 7 Feb 2017, Jessica Frazelle wrote:
>
> > So I used to use this "feature" as a hack to see if something was
> > running in a k8s cluster or not because fluentd gives a lot of things
> > away.
>
> That file does not tell you at all whether something is running or not. It
> merily tells you that there are timers queued.
>
> > Runc basically decided to mask this file so it stopped happening
> > though. But I think namespace aware is the right decision.
>
> Unless you can come up with a real good argument why this is usefull beyond
> debugging and crystal ball hackery, it's going to go away.
>
> Thanks,
>
> tglx
>
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