From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Fri, 15 Feb 2013 10:08:11 +0000 (+0100)
Subject: posix-cpu-timers: Fix nanosleep task_struct leak
X-Git-Tag: v3.9-rc1~170^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e6c42c295e071dd74a66b5a9fcf4f44049888ed8;p=pandora-kernel.git

posix-cpu-timers: Fix nanosleep task_struct leak

The trinity fuzzer triggered a task_struct reference leak via
clock_nanosleep with CPU_TIMERs. do_cpu_nanosleep() calls
posic_cpu_timer_create(), but misses a corresponding
posix_cpu_timer_del() which leads to the task_struct reference leak.

Reported-and-tested-by: Tommi Rantala <tt.rantala@gmail.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Dave Jones <davej@redhat.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20130215100810.GF4392@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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