From: Vasiliy Kulikov <segoon@openwall.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Ingo Molnar <mingo@elte.hu>,
kernel-hardening@lists.openwall.com,
"Paul E. McKenney" <paul.mckenney@linaro.org>,
Manuel Lauss <manuel.lauss@googlemail.com>,
linux-kernel@vger.kernel.org, Richard Weinberger <richard@nod.at>,
torvalds@linux-foundation.org, Marc Zyngier <maz@misterjones.org>
Subject: Re: [kernel-hardening] Re: initcall dependency problem (ns vs. threads)
Date: Mon, 1 Aug 2011 23:03:41 +0400 [thread overview]
Message-ID: <20110801190341.GA6898@albatros> (raw)
In-Reply-To: <20110801112021.25ec9041.akpm@linux-foundation.org>
> Are we talking about init_ipc_ns.ids[] here? If so, did you try
> initializing the three rwsems at compile-time?
>
> That's rather a nasty hack though. It'd be better to run the mystery
> init function before starting the threads.
Looks like it solves the race. However, I think it should be solved on
another level. Other bugs might be hidden with this race.
Thanks,
--
Vasiliy Kulikov
http://www.openwall.com - bringing security into open computing environments
next prev parent reply other threads:[~2011-08-01 19:03 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-01 18:01 initcall dependency problem (ns vs. threads) Vasiliy Kulikov
2011-08-01 18:20 ` Andrew Morton
2011-08-01 18:34 ` [kernel-hardening] " Vasiliy Kulikov
2011-08-01 19:03 ` Vasiliy Kulikov [this message]
2011-08-01 19:07 ` Andrew Morton
2011-08-01 19:22 ` Vasiliy Kulikov
2011-08-02 0:01 ` Linus Torvalds
2011-08-02 12:45 ` [PATCH] shm: fix a race between shm_exit() and shm_init() Vasiliy Kulikov
2011-08-02 12:51 ` Manuel Lauss
2011-08-02 13:23 ` Richard Weinberger
2011-08-02 13:29 ` Marc Zyngier
2011-08-02 20:33 ` Andrew Morton
2011-08-02 20:55 ` Andrew Morton
2011-08-03 5:30 ` Manuel Lauss
2011-08-03 8:05 ` Marc Zyngier
2011-08-03 8:19 ` Linus Torvalds
2011-08-03 10:04 ` Manuel Lauss
2011-08-03 10:30 ` Marc Zyngier
2011-08-03 13:13 ` Thadeu Lima de Souza Cascardo
2011-08-03 13:33 ` Kay Sievers
2011-08-03 13:45 ` Richard Weinberger
2011-08-04 0:35 ` Linus Torvalds
2011-08-04 0:50 ` Andrew Morton
2011-08-04 1:01 ` Linus Torvalds
2011-08-04 1:15 ` Kay Sievers
2011-08-04 8:26 ` Marc Zyngier
2011-08-03 7:43 ` Linus Torvalds
2011-08-03 7:50 ` Manuel Lauss
2011-08-03 8:00 ` Manuel Lauss
2011-08-03 19:33 ` Andrew Morton
2011-08-03 19:52 ` [kernel-hardening] " Vasiliy Kulikov
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