netdev - Re: Deadlock with icmpv6fuzz

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Message-ID: <20090225082543.GB809@gondor.apana.org.au>
Date:	Wed, 25 Feb 2009 16:25:43 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	David Miller <davem@...emloft.net>
Cc:	rdreier@...co.com, snakebyte@....de, netdev@...r.kernel.org,
	yoshfuji@...ux-ipv6.org
Subject: Re: Deadlock with icmpv6fuzz

On Tue, Feb 24, 2009 at 11:44:01PM -0800, David Miller wrote:
>
> Actually it turns out we can't do that here.  This flow label object
> is global, rather than specifically associated with a given socket.
> 
> See net/ipv6/ip6_flowlabel.c:fl_{create,intern}() and how those
> are used.

They're global but that doesn't stop us from charging it once
for each socket that uses it (isn't that what Microsoft does
for Windows :)

The fact is right now we have an entity that a user can create
willy nilly with no limits.  That can't be good.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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