From: Andrew Vagin <avagin@gmail.com>
To: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Andrey Vagin <avagin@openvz.org>,
Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, stable@kernel.org,
Oleg Nesterov <oleg@tv-sign.ru>,
Pavel Emelyanov <xemul@openvz.org>
Subject: Re: [PATCH 2/3] posix_timer: fix error path in timer_create
Date: Mon, 17 May 2010 18:55:27 +0400 [thread overview]
Message-ID: <4BF158DF.3090509@gmail.com> (raw)
In-Reply-To: <20100517163138.5a9b93af@dhcp-lab-109.englab.brq.redhat.com>
On 05/17/2010 06:31 PM, Stanislaw Gruszka wrote:
> On Mon, 17 May 2010 17:41:43 +0400
> Andrey Vagin<avagin@openvz.org> wrote:
>
>
>> @@ -593,6 +585,14 @@ SYSCALL_DEFINE3(timer_create, const clockid_t, which_clock,
>> new_timer->sigq->info.si_tid = new_timer->it_id;
>> new_timer->sigq->info.si_code = SI_TIMER;
>>
>> + it_id_set = IT_ID_SET;
>> + new_timer->it_id = (timer_t) new_timer_id;
>>
> This part should not be moved, this make possible leak of idr entry .
>
You are right. Pls, skip this patches too.
>
>> + new_timer->it_clock = which_clock;
>> + new_timer->it_overrun = -1;
>>
> I'm not so convenient of moving this as well.
>
>
>> + error = CLOCK_DISPATCH(which_clock, timer_create, (new_timer));
>> + if (error)
>> + goto out;
>> +
>> spin_lock_irq(¤t->sighand->siglock);
>> new_timer->it_signal = current->signal;
>> list_add(&new_timer->list,¤t->signal->posix_timers);
>>
> Thanks
> Stanislaw
>
next prev parent reply other threads:[~2010-05-17 14:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-17 13:41 [PATCH 1/3] posix_timer: remove wrong comment Andrey Vagin
2010-05-17 13:41 ` [PATCH 2/3] posix_timer: fix error path in timer_create Andrey Vagin
2010-05-17 13:41 ` [PATCH 3/3] posix_timer: move copy_to_user(created_timer_id) down " Andrey Vagin
2010-05-17 14:31 ` [PATCH 2/3] posix_timer: fix error path " Stanislaw Gruszka
2010-05-17 14:55 ` Andrew Vagin [this message]
2010-05-17 17:18 [PATCH 1/3] posix_timer: remove wrong comment Andrey Vagin
2010-05-17 17:18 ` [PATCH 2/3] posix_timer: fix error path in timer_create Andrey Vagin
2010-05-18 6:49 ` Stanislaw Gruszka
2010-05-20 19:31 ` Andrew Morton
2010-05-20 20:46 ` Thomas Gleixner
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