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Bug 1202703 - Libvirt will crash with segfault if you try to set non-existing nwfilter to network interface for live guest
Summary: Libvirt will crash with segfault if you try to set non-existing nwfilter to n...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: libvirt
Version: 6.7
Hardware: x86_64
OS: Linux
high
high
Target Milestone: rc
: ---
Assignee: Pavel Hrdina
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On: 1169409
Blocks: 1143780
TreeView+ depends on / blocked
 
Reported: 2015-03-17 09:22 UTC by Hu Jianwei
Modified: 2015-07-22 05:49 UTC (History)
7 users (show)

Fixed In Version: libvirt-0.10.2-51.el6
Doc Type: Bug Fix
Doc Text:
Clone Of: 1169409
Environment:
Last Closed: 2015-07-22 05:49:08 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2015:1252 0 normal SHIPPED_LIVE libvirt bug fix update 2015-07-20 17:50:06 UTC

Comment 2 Pavel Hrdina 2015-03-17 09:41:39 UTC 
Downstream patch posted:

http://post-office.corp.redhat.com/archives/rhvirt-patches/2015-March/msg00466.html
Comment 4 hongming 2015-03-23 08:27:53 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...
Comment 7 errata-xmlrpc 2015-07-22 05:49:08 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://rhn.redhat.com/errata/RHBA-2015-1252.html
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