linux-kernel - Re: [TOMOYO 14/15](repost) LSM expansion for TOMOYO Linux.

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Message-ID: <Xine.LNX.4.64.0710020546260.21841@us.intercode.com.au>
Date:	Tue, 2 Oct 2007 05:48:17 -0700 (PDT)
From:	James Morris <jmorris@...ei.org>
To:	Kentaro Takeda <takedakn@...data.co.jp>
cc:	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org, chrisw@...s-sol.org
Subject: Re: [TOMOYO 14/15](repost) LSM expansion for TOMOYO Linux.

On Tue, 2 Oct 2007, Kentaro Takeda wrote:

> LSM expansion for TOMOYO Linux.
> 
> LSM hooks for sending signal:
>    * task_kill_unlocked is added in sys_kill
>    * task_tkill_unlocked is added in sys_tkill
>    * task_tgkill_unlocked is added in sys_tgkill

Why do you need racy unlocked versions, in addition to the existing 
security_task_kill() hook which is called safely via 
check_kill_permission() ?


- James
-- 
James Morris
<jmorris@...ei.org>
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