From: Andi Kleen <ak@muc.de>
To: Emmanuel Michon <emmanuel_michon@realmagic.fr>
Cc: linux-kernel@vger.kernel.org
Subject: Re: large copy_to_user fills only one page?
Date: 30 May 2002 17:16:53 +0200 [thread overview]
Message-ID: <m3adqhll7e.fsf@averell.firstfloor.org> (raw)
In-Reply-To: <7wofexu2hl.fsf@avalon.france.sdesigns.com>
Emmanuel Michon <emmanuel_michon@realmagic.fr> writes:
> case DOGRAB:
> char *u_p,*k_p;
> copy_from_user(u_p,arg,sizeof(char *));
^^^
You copy into random stack garbage here. After that it goes downwards.
-Andi
next prev parent reply other threads:[~2002-05-30 15:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-30 14:36 large copy_to_user fills only one page? Emmanuel Michon
2002-05-30 15:16 ` Andi Kleen [this message]
2002-05-30 15:25 ` Ingo Oeser
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