lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 23 Sep 2014 12:26:37 -0700 From: Andy Lutomirski <luto@...capital.net> To: Nicolas Dichtel <nicolas.dichtel@...nd.com> Cc: Network Development <netdev@...r.kernel.org>, Linux Containers <containers@...ts.linux-foundation.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Linux API <linux-api@...r.kernel.org>, "David S. Miller" <davem@...emloft.net>, "Eric W. Biederman" <ebiederm@...ssion.com>, Stephen Hemminger <stephen@...workplumber.org>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [RFC PATCH net-next v2 0/5] netns: allow to identify peer netns On Tue, Sep 23, 2014 at 6:20 AM, Nicolas Dichtel <nicolas.dichtel@...nd.com> wrote: > The goal of this serie is to be able to multicast netlink messages with an > attribute that identify a peer netns. > This is needed by the userland to interpret some informations contained in > netlink messages (like IFLA_LINK value, but also some other attributes in case > of x-netns netdevice (see also > http://thread.gmane.org/gmane.linux.network/315933/focus=316064 and > http://thread.gmane.org/gmane.linux.kernel.containers/28301/focus=4239)). > > Ids are stored in the parent user namespace. These ids are valid only inside > this user namespace. The user can retrieve these ids via a new netlink messages, > but only if peer netns are in the same user namespace. What about the parent / ancestors of the owning userns? Can processes in those usernses see any form of netns id? --Andy -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists