linux-kernel - Re: [AUDIT]: Increase skb->truesize in audit

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Date:	Tue, 29 Jan 2008 01:13:03 +1100 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Herbert Xu <herbert@...dor.apana.org.au>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [AUDIT]: Increase skb->truesize in audit_expand

On Mon, 28 Jan 2008, Herbert Xu wrote:

> Hi:
> 
> [AUDIT]: Increase skb->truesize in audit_expand
> 
> The recent UDP patch exposed this bug in the audit code.  It
> was calling pskb_expand_head without increasing skb->truesize.
> The caller of pskb_expand_head needs to do so because that function
> is designed to be called in places where truesize is already fixed
> and therefore it doesn't update its value.
> 
> Because the audit system is using it in a place where the truesize
> has not yet been fixed, it needs to update its value manually.
> 
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

Acked-by: James Morris <jmorris@...ei.org>


(Candidate for stable ?)


- James
-- 
James Morris <jmorris@...ei.org>
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