linux-kernel - Re: GRU driver feedback

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Message-ID: <20080728174437.GA29795@sgi.com>
Date:	Mon, 28 Jul 2008 12:44:37 -0500
From:	Jack Steiner <steiner@....com>
To:	unlisted-recipients:; (no To-header on input)
Cc:	Nick Piggin <npiggin@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Memory Management List <linux-mm@...ck.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: GRU driver feedback


Whoops:

>
> - In gru_fault, I don't think you've validated the size of the vma, and it
>   definitely seems like you haven't taken offset into the vma into account
>   either. remap_pfn_range etc should probably validate the former because I'm
>   sure this isn't the only driver that might get it wrong. The latter can't
>   really be detected though. Please fix or make it more obviously correct (eg
>   a comment).

ZZZ
s/ZZZ/fixed/



--- jack
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