netdev - [PATCH] team: Don't allow team devices to change network namespaces.

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <1390446442-12768-1-git-send-email-chenweilong@huawei.com>
Date:	Thu, 23 Jan 2014 11:07:22 +0800
From:	Chen Weilong <chenweilong@...wei.com>
To:	<jiri@...nulli.us>, <davem@...emloft.net>
CC:	<netdev@...r.kernel.org>
Subject: [PATCH] team: Don't allow team devices to change network namespaces.

From: Weilong Chen <chenweilong@...wei.com>

Like bonding, team as netdevice doesn't cross netns boundaries.

Team ports and team itself live in same netns.

Signed-off-by: Weilong Chen <chenweilong@...wei.com>
---
 drivers/net/team/team.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index dff24e3..2840742 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -2034,6 +2034,10 @@ static void team_setup(struct net_device *dev)

 	dev->features |= NETIF_F_LLTX;
 	dev->features |= NETIF_F_GRO;
+
+	/* Don't allow team devices to change network namespaces. */
+	dev->features |= NETIF_F_NETNS_LOCAL;
+
 	dev->hw_features = TEAM_VLAN_FEATURES |
 			   NETIF_F_HW_VLAN_CTAG_TX |
 			   NETIF_F_HW_VLAN_CTAG_RX |
-- 
1.7.12

--
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