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[libvirt] [PATCH] nodedev: Resolve Relax-NG validity error
by John Ferlan 04 Oct '13

04 Oct '13

Commit id 'c4a4603de' added an output <path> to the nodedev xml, but did not update the schema. This resulted in the failure of the 'virt-xml-validate' on a file generated by 'virsh nodedev-dumpxml pci_0000_00_00_0' (for example). This was found/seen by running autotest on my host. --- I'm not sure if something like this needs to be backported or not, but I'm sure someone will let me know... docs/schemas/nodedev.rng | 3 +++ 1 file changed, 3 insertions(+) diff --git a/docs/schemas/nodedev.rng b/docs/schemas/nodedev.rng index d2bebff..81ab4d4 100644 --- a/docs/schemas/nodedev.rng +++ b/docs/schemas/nodedev.rng @@ -13,6 +13,9 @@ and in virsh --> <element name="name"><text/></element> <optional> + <element name="path"><text/></element> + </optional> + <optional> <element name="parent"><text/></element> </optional> -- 1.8.3.1

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[libvirt] [PATCH 0/5] Fixes for lxc veth handling
by Daniel P. Berrange 04 Oct '13

04 Oct '13

From: "Daniel P. Berrange" <berrange(a)redhat.com> The primary goal of this series was to address the race condition in creation of veth device names. A few other bugs were identified along the way though & fixed. Daniel P. Berrange (5): Don't set netdev offline in container cleanup Avoid reporting an error if veth device is already deleted Avoid deleting NULL veth device name Retry veth device creation on failure Use 'vnet' as prefix for veth devices src/lxc/lxc_process.c | 3 +- src/util/virnetdevveth.c | 168 ++++++++++++++++++++++++++++++----------------- 2 files changed, 107 insertions(+), 64 deletions(-) -- 1.8.3.1

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[libvirt] [PATCH] test: snapshots: Fix some unused variables
by Cole Robinson 04 Oct '13

04 Oct '13

Spotted by coverity as John mentioned here: http://www.redhat.com/archives/libvir-list/2013-October/msg00078.html --- src/test/test_driver.c | 24 ++---------------------- 1 file changed, 2 insertions(+), 22 deletions(-) diff --git a/src/test/test_driver.c b/src/test/test_driver.c index 255cc2b..a09facb 100644 --- a/src/test/test_driver.c +++ b/src/test/test_driver.c @@ -6547,16 +6547,12 @@ testDomainSnapshotIsCurrent(virDomainSnapshotPtr snapshot, { virDomainObjPtr vm = NULL; int ret = -1; - virDomainSnapshotObjPtr snap = NULL; virCheckFlags(0, -1); if (!(vm = testDomObjFromSnapshot(snapshot))) goto cleanup; - if (!(snap = testSnapObjFromSnapshot(vm, snapshot))) - goto cleanup; - ret = (vm->current_snapshot && STREQ(snapshot->name, vm->current_snapshot->def->name)); @@ -6568,27 +6564,11 @@ cleanup: static int -testDomainSnapshotHasMetadata(virDomainSnapshotPtr snapshot, +testDomainSnapshotHasMetadata(virDomainSnapshotPtr snapshot ATTRIBUTE_UNUSED, unsigned int flags) { - virDomainObjPtr vm = NULL; - int ret = -1; - virDomainSnapshotObjPtr snap = NULL; - virCheckFlags(0, -1); - - if (!(vm = testDomObjFromSnapshot(snapshot))) - goto cleanup; - - if (!(snap = testSnapObjFromSnapshot(vm, snapshot))) - goto cleanup; - - ret = 1; - -cleanup: - if (vm) - virObjectUnlock(vm); - return ret; + return 1; } static int -- 1.8.3.1

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[libvirt] [PATCH] build: fix 'make -C src check' under subset builds
by Eric Blake 03 Oct '13

03 Oct '13

Another build failure detected on cygwin, where lxc is not built. The lxc_monitor_protocol.c file requires the use of $(XDR_CFLAGS), but should only be built on platforms where WITH_LXC is true; however, 'make -C src check' was unconditionally trying to build the .o file (and with the wrong CFLAGS) in order to validate the matching -structs file. Rework the checks to only test files that are built for the current configuration. * src/Makefile.am (PROTOCOL_STRUCTS): Split list by which files are currently being compiled. (EXTRA_DIST): Ensure that -structs files are shipped even when not built. (check-protocol): Declare unconditionally, now that the condition has been moved into PROTOCOL_STRUCTS. (libvirt_driver_lxc_impl_la_CFLAGS): Add $(XDR_CFLAGS). (libvirt_net_rpc_la_SOURCES): List generated files more compactly. Signed-off-by: Eric Blake <eblake(a)redhat.com> --- This is a build-breaker, but I'm still in the middle of running a (lengthy) 'make distcheck' on several platforms before pushing, so a review wouldn't hurt. src/Makefile.am | 35 ++++++++++++++++++++++------------- 1 file changed, 22 insertions(+), 13 deletions(-) diff --git a/src/Makefile.am b/src/Makefile.am index 09311b7..20ba1c8 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -428,18 +428,35 @@ check-symsorting: EXTRA_DIST += check-symfile.pl check-symsorting.pl # Keep this list synced with RPC_PROBE_FILES -PROTOCOL_STRUCTS = \ +PROTOCOL_STRUCTS = +if WITH_REMOTE +PROTOCOL_STRUCTS += \ $(srcdir)/remote_protocol-structs \ $(srcdir)/lxc_protocol-structs \ $(srcdir)/qemu_protocol-structs \ + $(NULL) +endif WITH_REMOTE +PROTOCOL_STRUCTS += \ $(srcdir)/virnetprotocol-structs \ $(srcdir)/virkeepaliveprotocol-structs \ + $(NULL) +if WITH_LXC +PROTOCOL_STRUCTS += \ $(srcdir)/lxc_monitor_protocol-structs \ + $(NULL) +endif WITH_LXC +if WITH_LIBVIRTD +PROTOCOL_STRUCTS += \ $(srcdir)/lock_protocol-structs \ $(NULL) +endif WITH_LIBVIRTD + +# The various -structs files live in git, because they are only +# conditionally generated; ship one -structs file for each .x file. +EXTRA_DIST += $(notdir $(RPC_PROBE_FILES:.x=-structs))) -if WITH_REMOTE check-protocol: $(PROTOCOL_STRUCTS) $(PROTOCOL_STRUCTS:structs=struct) +.PHONY: check-protocol $(PROTOCOL_STRUCTS:structs=struct) # The .o file that pdwtags parses is created as a side effect of running # libtool; but from make's perspective we depend on the .lo file. @@ -458,13 +475,6 @@ $(srcdir)/lock_protocol-struct: \ $(srcdir)/%-struct: locking/lockd_la-%.lo $(PDWTAGS) -else !WITH_REMOTE -# The $(PROTOCOL_STRUCTS) files must live in git, because they cannot be -# re-generated when configured --without-remote. -check-protocol: -endif !WITH_REMOTE -EXTRA_DIST += $(PROTOCOL_STRUCTS) - check-drivername: $(AM_V_GEN)$(PERL) $(srcdir)/check-drivername.pl \ $(srcdir)/driver.h \ @@ -538,7 +548,6 @@ EXTRA_DIST += check-driverimpls.pl check-aclrules.pl check-aclperms.pl check-local: check-protocol check-symfile check-symsorting \ check-drivername check-driverimpls check-aclrules \ check-aclperms -.PHONY: check-protocol $(PROTOCOL_STRUCTS:structs=struct) # Mock driver, covering domains, storage, networks, etc TEST_DRIVER_SOURCES = \ @@ -1183,6 +1192,7 @@ endif ! WITH_DRIVER_MODULES libvirt_driver_lxc_impl_la_CFLAGS = \ $(LIBNL_CFLAGS) \ + $(XDR_CFLAGS) \ $(FUSE_CFLAGS) \ -I$(top_srcdir)/src/access \ -I$(top_srcdir)/src/conf \ @@ -2203,10 +2213,9 @@ BUILT_SOURCES += $(VIR_NET_RPC_GENERATED) libvirt_net_rpc_la_SOURCES = \ rpc/virnetmessage.h rpc/virnetmessage.c \ - rpc/virnetprotocol.h rpc/virnetprotocol.c \ rpc/virnetsocket.h rpc/virnetsocket.c \ - rpc/virkeepaliveprotocol.h rpc/virkeepaliveprotocol.c \ - rpc/virkeepalive.h rpc/virkeepalive.c + rpc/virkeepalive.h rpc/virkeepalive.c \ + $(VIR_NET_RPC_GENERATED) if WITH_SSH2 libvirt_net_rpc_la_SOURCES += \ rpc/virnetsshsession.h rpc/virnetsshsession.c -- 1.8.3.1

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[libvirt] [PATCH] Fix crash in libvirtd when events are registered & ACLs active
by Daniel P. Berrange 03 Oct '13

03 Oct '13

From: "Daniel P. Berrange" <berrange(a)redhat.com> When a client disconnects from libvirtd, all event callbacks must be removed. This involves running the public API virConnectDomainEventDeregisterAny This code does not run in normal API dispatch context, so no identity was set. The result was that the access control drivers denied the attempt to deregister callbacks. The callbacks thus continued to trigger after the client was free'd causing fairly predictable use of free memory & a crash. This can be triggered by any client with readonly access when the ACL drivers are active. Signed-off-by: Daniel P. Berrange <berrange(a)redhat.com> --- daemon/remote.c | 6 ++++++ 1 file changed, 6 insertions(+) NB, this bug is a publically reported security flaw and I'll be backporting it to other stable branches. A CVE will be assigned soon and will notify when that info is available. diff --git a/daemon/remote.c b/daemon/remote.c index 9497cc1..f3de6a0 100644 --- a/daemon/remote.c +++ b/daemon/remote.c @@ -666,8 +666,11 @@ void remoteClientFreeFunc(void *data) /* Deregister event delivery callback */ if (priv->conn) { + virIdentityPtr sysident = virIdentityGetSystem(); size_t i; + virIdentitySetCurrent(sysident); + for (i = 0; i < VIR_DOMAIN_EVENT_ID_LAST; i++) { if (priv->domainEventCallbackID[i] != -1) { VIR_DEBUG("Deregistering to relay remote events %zu", i); @@ -678,6 +681,9 @@ void remoteClientFreeFunc(void *data) } virConnectClose(priv->conn); + + virIdentitySetCurrent(NULL); + virObjectUnref(sysident); } VIR_FREE(priv); -- 1.8.3.1

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[libvirt] [PATCH] qemu: check actual netdev type rather than config netdev type during init
by Laine Stump 03 Oct '13

03 Oct '13

This resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1012834 Note that a similar problem was reported in: https://bugzilla.redhat.com/show_bug.cgi?id=827519 but the fix only worked for <interface type='hostdev'>, *not* for <interface type='network'> where the network itself was a pool of hostdevs. The symptom in both cases was this error message: internal error: Unable to determine device index for network device In both cases the cause was lack of proper handling for netdevs (<interface>) of type='hostdev' when scanning the netdev list looking for alias names in qemuAssignDeviceNetAlias() - those that aren't type='hostdev' have an alias of the form "net%d", while those that are hostdev use "hostdev%d". This special handling was completely lacking prior to the fix for Bug 827519 which was: When searching for the highest alias index, libvirt looks at the alias for each netdev and if it is type='hostdev' it ignores the entry. If the type is not hostdev, then it expects the "net%d" form; if it doesn't find that, it fails and logs the above error message. That fix works except in the case of <interface type='network'> where the network uses hostdev (i.e. the network is a pool of VFs to be assigned to the guests via PCI passthrough). In this case, the check for type='hostdev' would fail because it was done as: def->net[i]->type == VIR_DOMAIN_NET_TYPE_HOSTDEV (which compares what was written in the config) when it actually should have been: virDomainNetGetActualType(def->net[i]) == VIR_DOMAIN_NET_TYPE_HOSTDEV (which compares the type of netdev that was actually allocated from the network at runtime). Of course the latter wouldn't be of any use if the netdevs of type='network' hadn't already acquired their actual network connection yet, but manual examination of the code showed that this is never the case. While looking through qemu_command.c, two other places were found to directly compare the net[i]->type field rather than getting actualType: * qemuAssignDeviceAliases() - in this case, the incorrect comparison would cause us to create a "net%d" alias for a netdev with type='network' but actualType='hostdev'. This alias would be subsequently overwritten by the proper "hostdev%d" form, so everything would operate properly, but a string would be leaked. This patch also fixes this problem. * qemuAssignDevicePCISlots() - would defer assigning a PCI address to a netdev if it was type='hostdev', but not for type='network + actualType='hostdev'. In this case, the actual device usually hasn't been acquired yet anyway, and even in the case that it has, there is no practical difference between assigning a PCI address while traversing the netdev list or while traversing the hostdev list. Because changing it would be an effective NOP (but potentially cause some unexpected regression), this usage was left unchanged. --- src/qemu/qemu_command.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index ba102f4..e976466 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -817,7 +817,8 @@ qemuAssignDeviceNetAlias(virDomainDefPtr def, virDomainNetDefPtr net, int idx) for (i = 0; i < def->nnets; i++) { int thisidx; - if (def->nets[i]->type == VIR_DOMAIN_NET_TYPE_HOSTDEV) { + if (virDomainNetGetActualType(def->nets[i]) + == VIR_DOMAIN_NET_TYPE_HOSTDEV) { /* type='hostdev' interfaces have a hostdev%d alias */ continue; } @@ -987,8 +988,9 @@ qemuAssignDeviceAliases(virDomainDefPtr def, virQEMUCapsPtr qemuCaps) /* type='hostdev' interfaces are also on the hostdevs list, * and will have their alias assigned with other hostdevs. */ - if ((def->nets[i]->type != VIR_DOMAIN_NET_TYPE_HOSTDEV) && - (qemuAssignDeviceNetAlias(def, def->nets[i], i) < 0)) { + if (virDomainNetGetActualType(def->nets[i]) + != VIR_DOMAIN_NET_TYPE_HOSTDEV && + qemuAssignDeviceNetAlias(def, def->nets[i], i) < 0) { return -1; } } -- 1.7.11.7

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[libvirt] [PATCH 0/3] Avoid crash due to race in nwfilter reload/libvirtd startup
by Daniel P. Berrange 03 Oct '13

03 Oct '13

From: "Daniel P. Berrange" <berrange(a)redhat.com> The past 24 hours have seen a flurry of libvirtd crash reports from Fedora users. https://bugzilla.redhat.com/show_bug.cgi?id=1014933 In one thread we have the libvirtd daemon startup code running, and it is in the middle of QEMU state initialization. #9 0xb00882e4 in qemuStateInitialize (privileged=true, callback=0xb77a0420 <daemonInhibitCallback>, opaque=0xb8b1fc98) at qemu/qemu_driver.c:595 driverConf = 0xaf5afcd8 "/etc/libvirt/qemu.conf" conn = 0x0 ebuf = "\000\260\025\267\024\071P\257\214\000\000\000\360\316\341\257\335\242\023\267\214\000\000\000\210\177X\257\001\000\000\000l\000\000\000\360\316\341\257\000\260\025\267\264\316\341\257\210\177X\257$\316\341\257$\316\341\257l\000\000\000\304\316\341\257\201\321LRl\000\000\000\235R\022\267\000)\233\351\260\316\341\257\000\000\000\000\253G\022\267\000\260\025\267\340\316\341\257\a\000\000\000\v\260\023\267\000\260\025\267\001\000\000\000\254\325\334\266\000\260\025\267\214\261\023\267 :P\257\037:P\257\000\000\000\000/\261\023\267\000\260\025\267uc\334\266\000\260\025\267A\262\023\267\037:P\257\000\000\000\000\001\000\000\000\000\000\000\000\340\316\341\257\334\316\341\257\001\000\000\000\001\000\000\000\033c\024\267"... membase = 0x0 mempath = 0x0 cfg = 0xaf509050 run_uid = 4294967295 run_gid = 4294967295 __func__ = "qemuStateInitialize" __FUNCTION__ = "qemuStateInitialize" #10 0xb74c5325 in virStateInitialize (privileged=true, callback=callback@entry=0xb77a0420 <daemonInhibitCallback>, opaque=opaque@entry=0xb8b1fc98) at libvirt.c:833 i = 6 __func__ = "virStateInitialize" #11 0xb77a049e in daemonRunStateInit (opaque=opaque@entry=0xb8b1fc98) at libvirtd.c:876 srv = 0xb8b1fc98 __func__ = "daemonRunStateInit" In another thread, we have a dbus event being handled by the nwfilter driver, and the nwfilter driver calls into the QEMU driver....which has not finished initializing itself yet! Thread 1 (Thread 0xb6366ac0 (LWP 7041)): #0 0xb0052861 in virQEMUCloseCallbacksGetForConn (closeCallbacks=0x0, conn=0xb8b2cc20) at qemu/qemu_conf.c:861 list = 0xb8ac57e8 data = {conn = 0xb8b2cc20, list = 0xb8ac57e8, oom = false} #1 virQEMUCloseCallbacksRun (closeCallbacks=0x0, conn=conn@entry=0xb8b2cc20, driver=0xaf50b350) at qemu/qemu_conf.c:890 list = 0xb8b2cc20 i = <optimized out> __func__ = "virQEMUCloseCallbacksRun" #2 0xb009df3b in qemuConnectClose (conn=0xb8b2cc20) at qemu/qemu_driver.c:1057 driver = <optimized out> #3 0xb74babc1 in virConnectDispose (obj=0xb8b2cc20) at datatypes.c:159 conn = 0xb8b2cc20 #4 0xb742f22c in virObjectUnref (anyobj=anyobj@entry=0xb8b2cc20) at util/virobject.c:264 klass = 0xb8b2cba0 obj = 0xb8b2cc20 lastRef = true __func__ = "virObjectUnref" #5 0xb74c5811 in virConnectClose (conn=conn@entry=0xb8b2cc20) at libvirt.c:1503 __func__ = "virConnectClose" __FUNCTION__ = "virConnectClose" #6 0xb023424e in nwfilterStateReload () at nwfilter/nwfilter_driver.c:301 conn = 0xb8b2cc20 #7 0xb02342fc in nwfilterFirewalldDBusFilter (connection=0xaf501038, message=0xaf503910, user_data=0x0) at nwfilter/nwfilter_driver.c:90 __func__ = "nwfilterFirewalldDBusFilter" #8 0xb711efb9 in dbus_connection_dispatch (connection=0xaf501038) at dbus-connection.c:4631 filter = <optimized out> next = 0x0 message = 0xaf503910 link = <optimized out> filter_list_copy = 0xaf5009dc message_link = 0xaf500a18 result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED pending = <optimized out> reply_serial = <optimized out> status = <optimized out> found_object = 3071507249 __FUNCTION__ = "dbus_connection_dispatch" #9 0xb740caeb in virDBusWatchCallback (fdatch=fdatch@entry=8, fd=15, events=1, opaque=0xaf500ca8) at util/virdbus.c:144 watch = 0xaf500ca8 info = 0xaf500de0 dbus_flags = 1 This DBus event is triggered when the firewalld driver is reloaded, or restarted. I confirmed this analysis by adding a sleep(10) to the QEMU driver startup code, and then triggering a firewalld restart. Sure enough it crashed & burned with the same trace. The reason why it has suddenly hit us is that we are unlucky enough to have a firewalld update in Fedora repos at the same time as a libvirt update, and lots of people are pulling both updates down in one yum transaction! After wasting time figuring out how to avoid the race condition with mutexes and other synchronization ideas, I realized that the nwfilter code was in fact bogus. The only reason it gets a virConnectPtr is so that the code for reloading filters can access its nwfilterPrivateData field to get the virNWFilterDriverStatePtr object instance. This is insanely convoluted, since the nwfilter driver can trivially pass the driver state instance into the virNWFilterConfLayerInit method at startup. Thus these patches just rip out all use of virConnectPtr from the nwfilter driver code, thus avoiding the race with the QEMU driver initialization code. This also fixes the nwfilter driver in cases where the QEMU driver is disabled, but LXC driver still wants to use nwfilter. Daniel P. Berrange (3): Remove virConnectPtr arg from virNWFilterDefParse* Don't pass virConnectPtr in nwfilter 'struct domUpdateCBStruct' Remove use of virConnectPtr from all remaining nwfilter code src/conf/nwfilter_conf.c | 78 ++++++++++++++++------------------ src/conf/nwfilter_conf.h | 24 ++++------- src/lxc/lxc_driver.c | 3 +- src/nwfilter/nwfilter_dhcpsnoop.c | 12 +++--- src/nwfilter/nwfilter_driver.c | 49 +++++++++------------ src/nwfilter/nwfilter_gentech_driver.c | 32 +++++++------- src/nwfilter/nwfilter_gentech_driver.h | 10 ++--- src/nwfilter/nwfilter_learnipaddr.c | 6 +-- src/qemu/qemu_driver.c | 6 ++- src/uml/uml_driver.c | 3 +- tests/nwfilterxml2xmltest.c | 2 +- 11 files changed, 102 insertions(+), 123 deletions(-) -- 1.8.3.1

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[libvirt] ANNOUNCE: Perl binding Sys-Virt releases 1.1.2 & 1.1.3
by Daniel P. Berrange 03 Oct '13

03 Oct '13

I am pleased to announce that releases 1.1.2 & 1.1.3 of Sys-Virt, the libvirt Perl API binding are now available for download: http://search.cpan.org/CPAN/authors/id/D/DA/DANBERR/Sys-Virt-1.1.2.tar.gz http://search.cpan.org/CPAN/authors/id/D/DA/DANBERR/Sys-Virt-1.1.3.tar.gz Changed in the 1.1.2 release: - Add all new constants in libvirt 1.1.2 Changed in the 1.1.3 release: - Add all new APIs in libvirt 1.1.3 Further information, including online API documentation & previous release archives, is available from the CPAN home page http://search.cpan.org/dist/Sys-Virt/ Regards, Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|

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[libvirt] [PATCH 00/18] qemumonitorjsontest: Introduce some tests
by Michal Privoznik 03 Oct '13

03 Oct '13

and fix some bugs I've ran into while writing the tests. Michal Privoznik (18): qemuMonitorJSONGetVirtType: Fix error message qemumonitorjsontest: Test qemuMonitorJSONSystemPowerdown qemuMonitorJSONSendKey: Avoid double free qemuMonitorTestFree: Join worker thread unconditionally qemumonitorjsontest: Extend the test for yet another monitor commands qemumonitorjsontest: Test qemuMonitorJSONGetCPUInfo qemumonitorjsontest: Test qemuMonitorJSONGetVirtType qemumonitorjsontest: Test qemuMonitorJSONGetBalloonInfo qemumonitorjsontest: Test qemuMonitorJSONGetBlockInfo qemumonitorjsontest: Test qemuMonitorJSONGetBlockStatsInfo qemumonitorjsontest: Test qemuMonitorJSONGetMigrationCacheSize qemumonitorjsontest: Test qemuMonitorJSONGetMigrationStatus qemumonitorjsontest: Test qemuMonitorJSONGetSpiceMigrationStatus qemumonitorjsontest: Test qemuMonitorJSONGetPtyPaths qemumonitorjsontest: Test qemuMonitorJSONSendKey qemumonitorjsontest: Test qemuMonitorJSONSetBlockIoThrottle qemumonitorjsontest: Test qemuMonitorJSONGetTargetArch qemumonitorjsontest: Test qemuMonitorJSONGetMigrationCapability src/qemu/qemu_monitor_json.c | 5 +- tests/qemumonitorjsontest.c | 955 ++++++++++++++++++++++++++++++++++++++++++- tests/qemumonitortestutils.c | 3 +- 3 files changed, 959 insertions(+), 4 deletions(-) -- 1.8.1.5

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[libvirt] ANNOUNCE: libvirt 1.0.5.6 maintenance release
by Cole Robinson 03 Oct '13

03 Oct '13

libvirt 1.0.5.6 maintenance release is now available. This is libvirt 1.0.5 with additional bugfixes that have accumulated upstream since the initial release. This release can be downloaded at: http://libvirt.org/sources/stable_updates/libvirt-1.0.5.6.tar.gz Changes in this version: * virsh: fix change-media bug on disk block type * Fix crash in remoteDispatchDomainMemoryStats (CVE-2013-4296) * Add support for using 3-arg pkcheck syntax for process (CVE-2013-4311) * Include process start time when doing polkit checks * qemuDomainChangeGraphics: Check listen address change by listen type * security: provide supplemental groups even when parsing label (CVE-2013-4291) * python: return dictionary without value in case of no blockjob * virbitmap: Refactor virBitmapParse to avoid access beyond bounds of array For info about past maintenance releases, see: http://wiki.libvirt.org/page/Maintenance_Releases Thanks, Cole

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