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Bug 782716 - Change interface parameters with '{in,out}bound' option will crash libvirtd
Summary: Change interface parameters with '{in,out}bound' option will crash libvirtd
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: libvirt
Version: 6.3
Hardware: x86_64
OS: Linux
high
high
Target Milestone: rc
: ---
Assignee: Michal Privoznik
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2012-01-18 09:07 UTC by Alex Jia
Modified: 2012-06-20 06:46 UTC (History)
6 users (show)

Fixed In Version: libvirt-0.9.10-1.el6
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2012-06-20 06:46:53 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2012:0748 0 normal SHIPPED_LIVE Low: libvirt security, bug fix, and enhancement update 2012-06-19 19:31:38 UTC

Description Alex Jia 2012-01-18 09:07:21 UTC 
Description of problem:
when changing interface parameters with 'inbound' or 'outbound' option on first time, libvirtd will be crashed.

Version-Release number of selected component (if applicable):
# rpm -q libvirt
libvirt-0.9.9-1.el6.x86_64

How reproducible:
always

Steps to Reproduce:
# virsh start foo
Domain demo started

# virsh domiftune foo vnet0
inbound.average: 0
inbound.peak   : 0
inbound.burst  : 0
outbound.average: 0
outbound.peak  : 0
outbound.burst : 0

# virsh domiftune foo vnet0 --inbound 10000
error: Unable to set interface parameters
error: End of file while reading data: Input/output error

or 

# virsh domiftune demo vnet0 --outbound 10000

# service libvirtd status
libvirtd dead but pid file exists

Note, it's okay if I change them together on the first time then do separated change for inbound or outbound:
# virsh domiftune foo vnet0 --inbound 10000 --outbound 20000

# virsh domiftune foo vnet0
inbound.average: 10000
inbound.peak   : 0
inbound.burst  : 0
outbound.average: 20000
outbound.peak  : 0
outbound.burst : 0

# virsh domiftune foo vnet0 --inbound 30000

# virsh domiftune foo vnet0
inbound.average: 30000
inbound.peak   : 0
inbound.burst  : 0
outbound.average: 20000
outbound.peak  : 0
outbound.burst : 0

  
Actual results:
# service libvirtd status
libvirtd dead but pid file exists

Expected results:
can separately change inbound or outbound for interface device.

Additional info:
it should be the same issue with bug 771562.
Comment 1 Alex Jia 2012-01-18 09:11:48 UTC 
The above comments exist copy-paste error, s/demo/foo/, I verified this issue on different guests(demo and foo) then cross to paste them :(
Comment 2 Michal Privoznik 2012-01-31 16:16:24 UTC 
Patch sent upstream:

https://www.redhat.com/archives/libvir-list/2012-January/msg01435.html
Comment 3 Michal Privoznik 2012-02-01 08:08:28 UTC 
Pushed upstream, moving to POST:

commit 50e9b389306ce845076806b9e9f6da1dc9a746da
Author:     Michal Privoznik <mprivozn>
AuthorDate: Tue Jan 31 13:43:56 2012 +0100
Commit:     Michal Privoznik <mprivozn>
CommitDate: Wed Feb 1 08:56:54 2012 +0100

    qemu: Clenup qemuDomainSetInterfaceParameters
    
    which contained some useless lines, copied code, NULL
    dereference.

v0.9.9-179-g50e9b38
Comment 6 xhu 2012-02-15 05:36:19 UTC 
Reproduce it with libvirt-0.9.9-1.el6.x86_64.
Verify it with libvirt-0.9.10-1.el6 and it passed.
Comment 8 errata-xmlrpc 2012-06-20 06:46:53 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/RHSA-2012-0748.html
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