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: Thu, 02 Jul 2020 08:17:38 -0500 From: ebiederm@...ssion.com (Eric W. Biederman) To: Matt Bennett <matt.bennett@...iedtelesis.co.nz> Cc: netdev@...r.kernel.org, zbr@...emap.net, linux-kernel@...r.kernel.org, Linux Containers <containers@...ts.linux-foundation.org> Subject: Re: [PATCH 0/5] RFC: connector: Add network namespace awareness Matt Bennett <matt.bennett@...iedtelesis.co.nz> writes: > Previously the connector functionality could only be used by processes running in the > default network namespace. This meant that any process that uses the connector functionality > could not operate correctly when run inside a container. This is a draft patch series that > attempts to now allow this functionality outside of the default network namespace. > > I see this has been discussed previously [1], but am not sure how my changes relate to all > of the topics discussed there and/or if there are any unintended side effects from my draft > changes. Is there a piece of software that uses connector that you want to get working in containers? I am curious what the motivation is because up until now there has been nothing very interesting using this functionality. So it hasn't been worth anyone's time to make the necessary changes to the code. Eric > Thanks. > > [1] https://marc.info/?l=linux-kernel&m=150806196728365&w=2 > > Matt Bennett (5): > connector: Use task pid helpers > connector: Use 'current_user_ns' function > connector: Ensure callback entry is released > connector: Prepare for supporting multiple namespaces > connector: Create connector per namespace > > Documentation/driver-api/connector.rst | 6 +- > drivers/connector/cn_proc.c | 110 +++++++------- > drivers/connector/cn_queue.c | 9 +- > drivers/connector/connector.c | 192 ++++++++++++++++++++----- > drivers/hv/hv_fcopy.c | 1 + > drivers/hv/hv_utils_transport.c | 6 +- > drivers/md/dm-log-userspace-transfer.c | 6 +- > drivers/video/fbdev/uvesafb.c | 8 +- > drivers/w1/w1_netlink.c | 19 +-- > include/linux/connector.h | 38 +++-- > include/net/net_namespace.h | 4 + > kernel/exit.c | 2 +- > samples/connector/cn_test.c | 6 +- > 13 files changed, 286 insertions(+), 121 deletions(-)
Powered by blists - more mailing lists