Bug 807590 - virtual network looses network connection
Summary: virtual network looses network connection
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: selinux-policy
Version: 6.3
Hardware: All
OS: Linux
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Miroslav Grepl
QA Contact: Milos Malik
URL:
Whiteboard:
Depends On:
Blocks: 810464
TreeView+ depends on / blocked
 
Reported: 2012-03-28 09:21 UTC by Matěj Cepl
Modified: 2012-10-15 15:17 UTC (History)
2 users (show)

Fixed In Version: selinux-policy-3.7.19-144.el6
Doc Type: Bug Fix
Doc Text:
Clone Of:
: 810464 (view as bug list)
Environment:
Last Closed: 2012-06-20 12:32:40 UTC
Target Upstream Version:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2012:0780 0 normal SHIPPED_LIVE selinux-policy bug fix and enhancement update 2012-06-19 20:34:59 UTC

Description Matěj Cepl 2012-03-28 09:21:17 UTC
Description of problem:
After half a year hiatus or so, I have started again RHEL 5 VM on RHEL 6 host and VM cannot ping anywhere. DNS resolution works, but ping to www.google.com stalls.

In ausearch I found

----
time->Wed Mar 28 10:41:31 2012
type=SYSCALL msg=audit(1332924091.409:56026): arch=c000003e syscall=16 success=no exit=-13 a0=10 a1=400454ca a2=7f28bd06eb10 a3=b items=0 ppid=1 pid=26904 auid=500 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=1 comm="libvirtd" exe="/usr/sbin/libvirtd" subj=unconfined_u:system_r:virtd_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(1332924091.409:56026): avc:  denied  { relabelfrom } for  pid=26904 comm="libvirtd" scontext=unconfined_u:system_r:virtd_t:s0-s0:c0.c1023 tcontext=system_u:system_r:virtd_t:s0-s0:c0.c1023 tclass=tun_socket
----
time->Wed Mar 28 10:42:09 2012
type=SYSCALL msg=audit(1332924129.623:56029): arch=c000003e syscall=16 success=no exit=-13 a0=15 a1=400454ca a2=7f28c38ae970 a3=b items=0 ppid=1 pid=26895 auid=500 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=1 comm="libvirtd" exe="/usr/sbin/libvirtd" subj=unconfined_u:system_r:virtd_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(1332924129.623:56029): avc:  denied  { relabelfrom } for  pid=26895 comm="libvirtd" scontext=unconfined_u:system_r:virtd_t:s0-s0:c0.c1023 tcontext=system_u:system_r:virtd_t:s0-s0:c0.c1023 tclass=tun_socket
mitmanek:~# 


Version-Release number of selected component (if applicable):
selinux-policy-3.7.19-143.el6.noarch

How reproducible:
happened once and I don't know how to get rid of it

Steps to Reproduce:
1. see above, just start VM and try ping in it
2.
3.
  
Actual results:
ping stalls

Expected results:
normal network connection

Additional info:
from #selinux
11:11:45) mgrepl: mcepl: version of policy?
(11:12:04) mcepl: selinux-policy-3.7.19-143.el6.noarch
(11:15:03) mgrepl: mcepl: of course you have disabled unconfined
(11:15:07) mgrepl: open a new bug please
(11:15:11) mgrepl: I need to add it
(11:18:02) mcepl: mgrepl: can i quote this coversation in a bug?
(11:20:46) mgrepl: mcepl:sure

Comment 2 Daniel Walsh 2012-03-28 14:21:09 UTC
Fedora allows this.

Comment 6 errata-xmlrpc 2012-06-20 12:32:40 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.

http://rhn.redhat.com/errata/RHBA-2012-0780.html


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