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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Topi Miettinen <toiwoton@gmail.com>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: Support for loading firewall rules with cgroup(v2) expressions early
Date: Wed, 6 Apr 2022 00:18:09 +0200	[thread overview]
Message-ID: <YkzAIUEmsxebKj8l@salvia> (raw)
In-Reply-To: <dbbe9ff4-4ec8-b979-9a35-7f79b3fbb9cb@gmail.com>

On Thu, Mar 31, 2022 at 06:10:19PM +0300, Topi Miettinen wrote:
> On 31.3.2022 0.47, Pablo Neira Ayuso wrote:
> > On Wed, Mar 30, 2022 at 07:37:00PM +0300, Topi Miettinen wrote:
[...]
> > > Nice ideas, but the rules can't be loaded before the cgroups are realized at
> > > early boot:
> > > 
> > > Mar 30 19:14:45 systemd[1]: Starting nftables...
> > > Mar 30 19:14:46 nft[1018]: /etc/nftables.conf:305:5-44: Error: cgroupv2 path
> > > fails: Permission denied
> > > Mar 30 19:14:46 nft[1018]: "system.slice/systemd-timesyncd.service" : jump
> > > systemd_timesyncd
> > > Mar 30 19:14:46 nft[1018]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > > Mar 30 19:14:46 systemd[1]: nftables.service: Main process exited,
> > > code=exited, status=1/FAILURE
> > > Mar 30 19:14:46 systemd[1]: nftables.service: Failed with result
> > > 'exit-code'.
> > > Mar 30 19:14:46 systemd[1]: Failed to start nftables.
> > 
> > I guess this unit file performs nft -f on cgroupsv2 that do not exist
> > yet.
> 
> Yes, that's the case. Being able to do so with for example "cgroupsv2name"
> would be nice.

Cgroupsv2 names might be arbitrarily large, correct? ie. PATH_MAX.

  reply	other threads:[~2022-04-06  4:47 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-26 10:09 Support for loading firewall rules with cgroup(v2) expressions early Topi Miettinen
2022-03-27 21:31 ` Pablo Neira Ayuso
2022-03-28 14:08   ` Topi Miettinen
2022-03-28 15:05     ` Pablo Neira Ayuso
2022-03-28 17:46       ` Topi Miettinen
2022-03-29 18:20       ` Topi Miettinen
2022-03-29 22:25         ` Pablo Neira Ayuso
2022-03-30  2:53           ` Pablo Neira Ayuso
2022-04-02  8:12             ` Topi Miettinen
2022-04-03 18:32               ` Topi Miettinen
2022-04-05 22:00                 ` Pablo Neira Ayuso
2022-04-06 13:57                   ` Topi Miettinen
2022-03-30 16:37           ` Topi Miettinen
2022-03-30 21:47             ` Pablo Neira Ayuso
2022-03-31 15:10               ` Topi Miettinen
2022-04-05 22:18                 ` Pablo Neira Ayuso [this message]
2022-04-06 14:02                   ` Topi Miettinen

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