From: Florian Westphal <fw@strlen.de>
Date: Thu, 23 Oct 2014 08:36:06 +0000 (+0200)
Subject: netfilter: nf_log: account for size of NLMSG_DONE attribute
X-Git-Tag: omap-for-v3.19/fixes-not-urgent-part1~25^2~34^2~3
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9dfa1dfe4d5e5e66a991321ab08afe69759d797a;p=pandora-kernel.git

netfilter: nf_log: account for size of NLMSG_DONE attribute

We currently neither account for the nlattr size, nor do we consider
the size of the trailing NLMSG_DONE when allocating nlmsg skb.

This can result in nflog to stop working, as __nfulnl_send() re-tries
sending forever if it failed to append NLMSG_DONE (which will never
work if buffer is not large enough).

Reported-by: Houcheng Lin <houcheng@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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