From: Richard Cochran <richardcochran@gmail.com>
To: Hangbin Liu <liuhangbin@gmail.com>
Cc: netdev@vger.kernel.org, David Miller <davem@davemloft.net>,
Miroslav Lichvar <mlichvar@redhat.com>,
Patrick McHardy <kaber@trash.net>, Jiri Benc <jbenc@redhat.com>,
stefan.sorensen@spectralink.com
Subject: Re: [PATCH net-next] macvlan: pass get_ts_info and SIOC[SG]HWTSTAMP ioctl to real device
Date: Wed, 17 Apr 2019 08:43:06 -0700 [thread overview]
Message-ID: <20190417154306.om6rjkxq4hikhsht@localhost> (raw)
In-Reply-To: <20190417061452.GA18865@dhcp-12-139.nay.redhat.com>
On Wed, Apr 17, 2019 at 04:05:09PM +0800, Hangbin Liu wrote:
> On the other hand, Miroslav pointed that with NET_ADMIN enabled in container,
> a normal user could be mapped to root and is able to change the real devices's
> rx filter via ioctl on macvlan, which may affect the other ptp process on
> host. ptp over vlan also has this issue, but macvlan is more frequently used
> in container.
If NET_ADMIN is enabled in the container, don't the host and container
contend with each other for the physical interfaces anyhow?
(I'm not a container person, so forgive my ignorance.)
Thanks,
Richard
next prev parent reply other threads:[~2019-04-17 15:43 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-20 2:23 [PATCH net-next] macvlan: pass get_ts_info and SIOC[SG]HWTSTAMP ioctl to real device Hangbin Liu
2019-03-20 18:05 ` David Miller
2019-04-17 8:05 ` Hangbin Liu
2019-04-17 15:43 ` Richard Cochran [this message]
2019-04-17 18:59 ` Jiri Benc
2019-04-18 3:31 ` Richard Cochran
2019-04-18 6:10 ` Hangbin Liu
2019-04-18 8:05 ` Miroslav Lichvar
2019-04-23 4:18 ` Hangbin Liu
2019-04-23 8:31 ` Miroslav Lichvar
2019-04-23 9:15 ` Hangbin Liu
2019-04-23 9:32 ` Miroslav Lichvar
2019-04-25 13:40 ` Hangbin Liu
2019-05-06 7:34 ` Hangbin Liu
2019-05-06 14:01 ` Richard Cochran
2019-05-07 8:35 ` Miroslav Lichvar
2019-05-08 1:41 ` Hangbin Liu
2019-05-08 13:58 ` Michal Kubecek
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