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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
Fedora allows this.
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