linux-kernel - Re: clock_nanosleep() task

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Message-ID: <alpine.LFD.2.02.1302011450160.11905@ionos>
Date:	Fri, 1 Feb 2013 14:52:07 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Tommi Rantala <tt.rantala@...il.com>
cc:	LKML <linux-kernel@...r.kernel.org>, Dave Jones <davej@...hat.com>,
	John Stultz <john.stultz@...aro.org>,
	Oleg Nesterov <oleg@...hat.com>
Subject: Re: clock_nanosleep() task_struct leak

B1;2601;0cOn Fri, 1 Feb 2013, Tommi Rantala wrote:

> Hello,
> 
> Trinity discovered a task_struct leak with clock_nanosleep(), reproducible with:
> 
> -----8<-----8<-----8<-----
> #include <time.h>
> 
> static const struct timespec req;
> 
> int main(void) {
>         return clock_nanosleep(CLOCK_PROCESS_CPUTIME_ID,
>                         TIMER_ABSTIME, &req, NULL);
> }
> -----8<-----8<-----8<-----

Groan. That code probably has more than that leak burried inside.

Thanks,

	tglx
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