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SubjectRe: ctnetlink loop
From: Pablo Neira Ayuso <>
Date: Thu, 09 Dec 2010 11:56:13 +0100

> netfilter: ctnetlink: fix loop in ctnetlink_get_conntrack()
> From: Pablo Neira Ayuso <>
> This patch fixes a loop in ctnetlink_get_conntrack() that can be
> triggered if you use the same socket to receive events and to
> perform a GET operation. Under heavy load, netlink_unicast()
> may return -EAGAIN, this error code is reserved in nfnetlink for
> the module load-on-demand. Instead, we return -ENOBUFS which is
> the appropriate error code that has to be propagated to
> user-space.
> Reported-by: Holger Eitzenberger <>
> Signed-off-by: Pablo Neira Ayuso <>

Since Patrick seems to be inactive I have applied this directly
to net-2.6, thanks guys!

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