linux-kernel - Re: [PATCH v3] tcp: splice as many packets as possible at once

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Date:	Tue, 27 Jan 2009 21:09:58 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Jarek Poplawski <jarkao2@...il.com>
Cc:	David Miller <davem@...emloft.net>, zbr@...emap.net, w@....eu,
	dada1@...mosbay.com, ben@...s.com, mingo@...e.hu,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	jens.axboe@...cle.com
Subject: Re: [PATCH v3] tcp: splice as many packets as possible at once

On Tue, Jan 27, 2009 at 07:54:18AM +0000, Jarek Poplawski wrote:
> 
> Yes, but ip_append_data() (and skb_append_datato_frags() for
> NETIF_F_UFO only, so currently not a problem), uses this differently,
> and these pages in sk->sk_sndmsg_page could leak or be used after
> kfree. (I didn't track locking in these other places).

It'll be freed when the socket is freed so that should be fine.

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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