netdev - Re: [PATCH] infinite recursion in netlink

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Message-Id: <20070425.130932.70219336.davem@davemloft.net>
Date:	Wed, 25 Apr 2007 13:09:32 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	kuznet@....inr.ac.ru
Cc:	security@...nel.org, greg@...ah.com, netdev@...r.kernel.org,
	jaco@...on.co.za
Subject: Re: [PATCH] infinite recursion in netlink

From: Alexey Kuznetsov <kuznet@....inr.ac.ru>
Date: Wed, 25 Apr 2007 22:38:56 +0400

> Reply to NETLINK_FIB_LOOKUP messages were misrouted back to kernel,
> which resulted in infinite recursion and stack overflow.
> 
> The bug is present in all kernel versions since the feature appeared.
> 
> The patch also makes some minimal cleanup:
> 
> 1. Return something consistent (-ENOENT) when fib table is missing
> 2. Do not crash when queue is empty (does not happen, but yet)
> 3. Put result of lookup
> 
> Signed-off-by: Alexey Kuznetsov <kuznet@....inr.ac.ru>

Applied, thanks a lot Alexey.
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