linux-kernel - Re: [PATCH] CRED: ptrace_attach() should use the target process\'s mutex

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Message-Id: <200810042015.IFH86706.OFQFSFLJOtMHOV@I-love.SAKURA.ne.jp>
Date:	Sat, 4 Oct 2008 20:15:54 +0900
From:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:	dhowells@...hat.com
Cc:	linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] CRED: ptrace_attach() should use the target process\'s mutex

Hello.

David Howells wrote:
> 
> Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp> wrote:
> 
> > Subject: Add in_execve flag into task_struct.
> > 
> > This patch allows LSM modules determine whether current process is in an
> > execve operation or not so that they can behave differently while an execve
> > operation is in progress.
> 
> This doesn't apply on top of my patches.  How about the attached variant?

Yes. Behavior will be the same.

> I've also:
> 
>  (1) Extended the patch description.  Please check that I've summed up TOMOYA's
>      process correctly.

Description is correct. But please apply "sed -e 's/TOMOYA/TOMOYO/g'".
TOMOYO Linux was introduced as TOMOYA Linux by mistake at OLS2008.
The origin of the name is at http://I-love.SAKURA.ne.jp/tomoyo/index.html.en :-)

>  (2) Used current directly rather than caching it in a variable.  I don't
>      think it's worth doing that, given the amount you make use of it, but I
>      can revert this change if you'd really prefer.

OK.

Please proceed. Thanks.
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