netdev - Re: Deadlock with icmpv6fuzz

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Date:	Fri, 06 Feb 2009 03:07:16 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	rdreier@...co.com, snakebyte@....de, netdev@...r.kernel.org,
	yoshfuji@...ux-ipv6.org
Subject: Re: Deadlock with icmpv6fuzz

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Fri, 6 Feb 2009 21:34:43 +1100

> On Fri, Feb 06, 2009 at 09:27:10PM +1100, Herbert Xu wrote:
> >
> > But we should probably bring the check down to sysctl_optmem_max
> > in ip6_flowlabel.c too since allocating 64K is still quite likely
> > to fail and warn.
> 
> In fact, we should probably just use sock_kmalloc in these places.

Very likely we could get away with that.

But some apps might start breaking since this would now
charge the socket and we could hit the limits whereas
before we wouldn't.
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