Re: [PATCH 2/2] execve: check the VM has enough memory at first

From: KOSAKI Motohiro
Date: Mon Sep 13 2010 - 21:53:12 EST


> On Wed, Sep 8, 2010 at 10:04 PM, KOSAKI Motohiro
> <kosaki.motohiro@xxxxxxxxxxxxxx> 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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