From: Jiri Benc <jbenc@redhat.com>
Date: Thu, 7 Nov 2013 18:59:19 +0000 (+0100)
Subject: nfnetlink: do not ack malformed messages
X-Git-Tag: v3.13-rc1~105^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cdbe7c2d6d485459801838c244c409b938e32df5;p=pandora-kernel.git

nfnetlink: do not ack malformed messages

Commit 0628b123c96d ("netfilter: nfnetlink: add batch support and use it
from nf_tables") introduced a bug leading to various crashes in netlink_ack
when netlink message with invalid nlmsg_len was sent by an unprivileged
user.

Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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