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Date: Tue, 14 Sep 2010 10:52:45 +0900 (JST)
From: KOSAKI Motohiro <>
To: Linus Torvalds <>
Cc:, Roland McGrath <>,
        Andrew Morton <>,,,
        Solar Designer <>,
        Kees Cook <>, Al Viro <>,
        Oleg Nesterov <>, Neil Horman <>,,,
        "Brad Spengler <>, Eugene Teo" <>,
        KAMEZAWA Hiroyuki <>
Subject: Re: [PATCH 2/2] execve: check the VM has enough memory at first

> On Wed, Sep 8, 2010 at 10:04 PM, KOSAKI Motohiro
> <> wrote:
> >
> > After this patch, execve() expand stack at first and receive to
> > check vm_enough_memory() properly. then, too long argument of
> > execve() than the machine memory return EFAULT properly.
> This is horrible. We don't want to walk the arguments one more time
> just for this. Let's just improve the checks that we do as we go
> along.
>                             Linus

Okey. I'll consider new way in this night.

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