linux-kernel - clock_nanosleep() task

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Date:	Fri, 1 Feb 2013 15:39:16 +0200
From:	Tommi Rantala <tt.rantala@...il.com>
To:	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>
Cc:	Dave Jones <davej@...hat.com>
Subject: clock_nanosleep() task_struct leak

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<-----

Tommi
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