Date: Sat, 15 Jan 2005 23:25:43 +0100
From: Sam Ravnborg <sam@ravnborg.org>
To: Andi Kleen <ak@suse.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: slab.c use of __get_user and sparse
Message-ID: <20050115222543.GB8989@mars.ravnborg.org>
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	linux-kernel@vger.kernel.org
References: <20050115213906.GA22486@mars.ravnborg.org> <20050115220151.GA16442@wotan.suse.de>
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On Sat, Jan 15, 2005 at 11:01:51PM +0100, Andi Kleen wrote:
> > Based on the comment it is understood that suddenly this pointer points
> > to userspace, because the module got unloaded.
> > I wonder why we can rely on the same address now the module got unloaded -
> > we may risk this virtual address is taken over by someone else?
> 
> The address is not user space; you would be lying.
Which is very bad - dropped slab.c for now.

	Sam
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