Bug 1202703
| Summary: | Libvirt will crash with segfault if you try to set non-existing nwfilter to network interface for live guest | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Hu Jianwei <jiahu> |
| Component: | libvirt | Assignee: | Pavel Hrdina <phrdina> |
| Status: | CLOSED ERRATA | QA Contact: | Virtualization Bugs <virt-bugs> |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | 6.7 | CC: | dyuan, honzhang, lmiksik, mzhan, phrdina, rbalakri, virt-bugs |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | libvirt-0.10.2-51.el6 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | 1169409 | Environment: | |
| Last Closed: | 2015-07-22 05:49:08 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 1169409 | ||
| Bug Blocks: | 1143780 | ||
|
Comment 2
Pavel Hrdina
2015-03-17 09:41:39 UTC
Verify it as follows. Move its status to VERIFIED.
# rpm -q libvirt
libvirt-0.10.2-51.el6.x86_64
# virsh dumpxml rhel6.5|grep "/interface" -B7
</controller>
<interface type='network'>
<mac address='52:54:00:f5:c6:22'/>
<source network='default'/>
<target dev='vnet0'/>
<alias name='net0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
# cat nic.xml
<interface type='network'>
<mac address='52:54:00:f5:c6:22'/>
<source network='default'/>
<target dev='vnet0'/>
<alias name='net0'/>
<filterref filter='clean-traffic-non-exist'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
# service libvirtd status
libvirtd (pid 29326) is running...
[root@hongming ~]# virsh update-device rhel6.5 nic.xml
error: Failed to update device from nic.xml
error: operation failed: failed to add new filter rules to 'vnet0' - attempting to restore old rules
# service libvirtd status
libvirtd (pid 29326) is running...
==========================================================================
Add filter 'clean-traffic' to interface
# virsh dumpxml rhel6.5|grep "/interface" -B7
<interface type='network'>
<mac address='52:54:00:f5:c6:22'/>
<source network='default'/>
<target dev='vnet0'/>
<filterref filter='clean-traffic'/>
<alias name='net0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
# cat nic.xml
<interface type='network'>
<mac address='52:54:00:f5:c6:22'/>
<source network='default'/>
<target dev='vnet0'/>
<alias name='net0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
# virsh update-device rhel6.5 nic.xml
error: Failed to update device from nic.xml
error: operation failed: failed to add new filter rules to 'vnet0' - attempting to restore old rules
# service libvirtd status
libvirtd (pid 29326) is running...
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://rhn.redhat.com/errata/RHBA-2015-1252.html |