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Date:	Sat, 10 Mar 2007 10:13:28 +0900 (JST)
From:	YOSHIFUJI Hideaki / 吉藤英明 
Subject: Re: [PATCH 2/2] [IPV6]: Ensure to truncate result and return full
 length for sticky options.

In article <> (at Fri, 09 Mar 2007 16:15:06 -0800 (PST)), David Miller <> says:

> > on arch's that don't protect < 0 copy_to_user like i386 does).  Here's
> > a simple fix ontop of yoshifuji's two changes.  Hope that's it ;-)
> copy_to_user() will check it, actually, it will make sure that
> optval + len doesn't wrap or overlap into kernel space.
> Actually, like sparc64 it BUG's on negative length so we have
> to fix this :-)

Oh I did not know this BUG.
Anyway, thanks for taking care of this.

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