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Bug 1620257 - Ping failed between guests over OVS-dpdk tunnel when Selinux=Enforcing
Summary: Ping failed between guests over OVS-dpdk tunnel when Selinux=Enforcing
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: openvswitch-selinux-extra-policy
Version: 7.6
Hardware: x86_64
OS: Linux
unspecified
high
Target Milestone: rc
: ---
Assignee: Aaron Conole
QA Contact: Jean-Tsung Hsiao
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-08-22 20:27 UTC by Jean-Tsung Hsiao
Modified: 2020-01-14 22:24 UTC (History)
11 users (show)

Fixed In Version: openvswitch-selinux-extra-policy-1.0-7.el7fdp
Doc Type: Bug Fix
Doc Text:
Previously, attempting to ping a guest virtual machine in some cases failed if the host was using SELinux in enforcing mode. This update enables openvswitch_t to map the svirt_image_t label, which prevents the problem from occurring.
Clone Of:
Environment:
Last Closed: 2018-09-20 17:37:11 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
new selinux policy (7.57 KB, application/x-rpm)
2018-08-28 14:40 UTC, Aaron Conole 		no flags Details
View All


Links
System ID Private Priority Status Summary Last Updated
Red Hat Bugzilla 1621626 0 low CLOSED [OVS} OVS daemon got segfault when virsh start <guest> 2021-02-22 00:41:40 UTC
Red Hat Product Errata RHBA-2018:2734 0 None None None 2018-09-20 17:37:15 UTC

Internal Links: 1621626

Description Jean-Tsung Hsiao 2018-08-22 20:27:25 UTC 
Description of problem: Ping failed between guests over OVS-dpdk tunnel when Selinux=Enforcing

When "virsh console <guest>" the following AVC ocurred:

type=AVC msg=audit(1534966872.195:290): avc:  denied  { map } for  pid=39410 comm="ovs-vswitchd" path=2F6465762F6875676570616765732F6C6962766972742F71656D752F332D6D712D7668752D74756E6E656C2F71656D755F6261636B5F6D656D2E5F6F626A656374735F72616D2D6E6F6465302E775A78683135202864656C6574656429 dev="hugetlbfs" ino=1986525 scontext=system_u:system_r:openvswitch_t:s0 tcontext=system_u:object_r:svirt_image_t:s0 tclass=file permissive=0

Version-Release number of selected component (if applicable):
[root@netqe9 jhsiao]# uname -a
Linux netqe9.knqe.lab.eng.bos.redhat.com 3.10.0-933.el7.x86_64 #1 SMP Sat Aug 11 11:32:57 EDT 2018 x86_64 x86_64 x86_64 GNU/Linux
 
[root@netqe9 jhsiao]# rpm -q openvswitch2.10
openvswitch2.10-2.10.0-1.el7fdp.x86_64

[root@netqe9 jhsiao]# rpm -qa | grep selinux
libselinux-python-2.5-14.1.el7.x86_64
selinux-policy-3.13.1-210.el7.noarch
openvswitch-selinux-extra-policy-1.0-6.el7fdp.noarch
libselinux-2.5-14.1.el7.x86_64
selinux-policy-targeted-3.13.1-210.el7.noarch
libselinux-utils-2.5-14.1.el7.x86_64

How reproducible: Reproducible


Steps to Reproduce:
1. Config OVS-dpdk vxlan tunnel with guest
2. Setenforce 1
3. Start the guest and enter it console

Actual results: AVC will show up


Expected results:


Additional info:
Comment 3 Jean-Tsung Hsiao 2018-08-28 14:12:32 UTC 
Hi Aaron,

The AVC listed in the description was the one that I identified during the testing.

Thanks!
Jean
Comment 4 Aaron Conole 2018-08-28 14:40:04 UTC 
Created attachment 1479284 [details]
new selinux policy
Comment 5 Jean-Tsung Hsiao 2018-08-28 15:21:41 UTC 
(In reply to Aaron Conole from comment #4)
> Created attachment 1479284 [details]
> new selinux policy

The test build passed the Selinux=Enforcing test.

Next, will run ping/netperf tests between guests over OVS_dpdk vxlan tunnel.
Comment 6 Jean-Tsung Hsiao 2018-08-28 16:06:19 UTC 
(In reply to Jean-Tsung Hsiao from comment #5)
> (In reply to Aaron Conole from comment #4)
> > Created attachment 1479284 [details]
> > new selinux policy
> 
> The test build passed the Selinux=Enforcing test.
> 
> Next, will run ping/netperf tests between guests over OVS_dpdk vxlan tunnel.

Both ping and netperf tests passed.
Comment 7 Jean-Tsung Hsiao 2018-08-30 04:01:22 UTC 
Below is the second test build that I have tested. It passed Selinux test and netperf test with Selinux=Enforcing.

http://download.eng.bos.redhat.com/brewroot/work/tasks/6712/18076712/openvswitch-selinux-extra-policy-1.0-7.el7fdp.noarch.rpm
Comment 9 Jean-Tsung Hsiao 2018-09-11 11:57:26 UTC 
Hi Aaron,

Need an equivalent build for Rhel-8.

Thanks!

Jean
Comment 10 Jean-Tsung Hsiao 2018-09-12 02:43:31 UTC 
The package has been verified using openvswitch2.10-2.10.0-1.el7fdp under Rhel7.6.
Comment 14 errata-xmlrpc 2018-09-20 17:37:11 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2018:2734
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