netdev - Re: REGRESSION in nfnetlink on 3.18.x (bisected)

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Date:	Mon, 22 Dec 2014 12:56:07 +0100
From:	Pablo Neira Ayuso <pablo@...filter.org>
To:	Andre Tomt <andre@...t.net>
Cc:	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: REGRESSION in nfnetlink on 3.18.x (bisected)

On Sun, Dec 21, 2014 at 12:33:51AM +0100, Andre Tomt wrote:
> On at least Ubuntu 14.04 LTS and Ubuntu 14.10 "conntrack -E" has
> started failing with Linux 3.18.x. conntrack -L still works.
> 
> 14.04 and 14.10 ships conntrack-utils version 1.4.1, but 1.4.2 does
> not work either.
> 
> It fails with:
> ># conntrack -E
> >conntrack v1.4.2 (conntrack-tools): Can't open handler
> 
> strace shows:
> >bind(3, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 0
> >getsockname(3, {sa_family=AF_NETLINK, pid=14092, groups=00000000}, [12]) = 0
> >bind(3, {sa_family=AF_NETLINK, pid=14092, groups=00000007}, 12) = -1 EINVAL (Invalid argument)
> 
> Reverting 97840cb67ff5ac8add836684f011fd838518d698 - netfilter:
> nfnetlink: fix insufficient validation in nfnetlink_bind

Could you give a test to this patch? Thanks.

View attachment "0001-netlink-fix-wrong-subscription-bitmask-to-group-mapp.patch" of type "text/x-diff" (1828 bytes)