linux-kernel - Re: [PATCH 0/3] execve argument-copying fixes

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Message-Id: <20100908115948.C919.A69D9226@jp.fujitsu.com>
Date:	Wed,  8 Sep 2010 12:00:42 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Roland McGrath <roland@...hat.com>
Cc:	kosaki.motohiro@...fujitsu.com,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, oss-security@...ts.openwall.com,
	Solar Designer <solar@...nwall.com>,
	Kees Cook <kees.cook@...onical.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	Oleg Nesterov <oleg@...hat.com>,
	Neil Horman <nhorman@...driver.com>,
	linux-fsdevel@...r.kernel.org, pageexec@...email.hu,
	"Brad Spengler <spender@...ecurity.net> Eugene Teo" 
	<eugene@...hat.com>
Subject: Re: [PATCH 0/3] execve argument-copying fixes

> This is my take on parts of the execve large arguments copying issues
> that Kees posted about, and Brad and others have been discussing.
> I've only looked at the narrow area of the argument copying code
> itself.  I think these are good and necessary fixes.  But I'm not
> addressing the whole OOM killer/mm accounting issue, which also needs
> to be fixed (and I have the impression others are already looking into that).
> 
> The following changes since commit d56557af19867edb8c0e96f8e26399698a08857f:
> 
>   Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 (2010-09-07 16:00:17 -0700)
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-roland.git topic/exec-fixes
> 
> Roland McGrath (3):
>       setup_arg_pages: diagnose excessive argument size
>       execve: improve interactivity with large arguments
>       execve: make responsive to SIGKILL with large arguments
> 
>  fs/exec.c |   14 ++++++++++++++
>  1 files changed, 14 insertions(+), 0 deletions(-)


All of changes looks nice to me :)
Thanks.
	Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>




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