linux-kernel - Re: [stable] [patch] fix nla_policy_len to actually _iterate

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Message-ID: <20110228212602.GA9495@kroah.com>
Date:	Mon, 28 Feb 2011 13:26:02 -0800
From:	Greg KH <greg@...ah.com>
To:	Lars Ellenberg <lars.ellenberg@...bit.com>
Cc:	linux-kernel@...r.kernel.org, trivial@...nel.org,
	"David S. Miller" <davem@...emloft.net>,
	Patrick McHardy <kaber@...sh.net>,
	netfilter-devel@...r.kernel.org,
	Holger Eitzenberger <holger@...zenberger.org>,
	stable@...nel.org
Subject: Re: [stable] [patch] fix nla_policy_len to actually _iterate_ over
 the policy

On Mon, Feb 28, 2011 at 09:35:59PM +0100, Lars Ellenberg wrote:
> Currently nla_policy_len always returns n * NLA_HDRLEN:
> It loops, but does not advance it's iterator.
> NLA_UNSPEC == 0 does not contain a .len in any policy.
> 
> Trivially fixed by adding p++.
> 
> Signed-off-by: Lars Ellenberg <lars.ellenberg@...bit.com>
> 
> diff --git a/lib/nlattr.c b/lib/nlattr.c

Please read how to properly get patches into the stable kernel tree in
the file Documentation/stable_kernel_rules.txt (hint, randomly cc:ing
stable@...nel.org is NOT how to do it...)

thanks,

greg k-h
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