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==8630== Invalid read of size 8
==8630== at 0x4EA4F0F: virFree (viralloc.c:582)
==8630== by 0x4F398F0: virXMLValidatorFree (virxml.c:1257)
==8630== by 0x40305C: mymain (virschematest.c:191)
==8630== by 0x405159: virTestMain (testutils.c:982)
==8630== by 0x403553: main (virschematest.c:215)
==8630== Address 0xcd72243 is 131 bytes inside a block of size 177 free'd
==8630== at 0x4C2B1F0: free (vg_replace_malloc.c:473)
==8630== by 0x4EA4F19: virFree (viralloc.c:582)
==8630== by 0x4ED0973: virFindFileInPath (virfile.c:1646)
==8630== by 0x405149: virTestMain (testutils.c:980)
==8630== by 0x403553: main (virschematest.c:215)
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1353296
On UNIX like systems there are no constraints on what characters
can be in file/dir names (except for NULL, obviously). Moreover,
some values that we think of as paths (e.g. disk source) are not
necessarily paths at all. For instance, some hypervisors take
that as an arbitrary identifier and corresponding file is then
looked up by hypervisor in its table. Instead of trying to fix
our regular expressions (and forgetting to include yet another
character there), lets drop the validation completely.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Usually, this variable is used to hold the return value for a
function of ours. Well, this is not the case. Its use does not
match our pattern and therefore it is very misleading. Drop it
and define an alternative @rc variable, but only in that single
block where it is needed.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This variable is very misleading. We use VIR_FORCE_CLOSE to set
it to -1 and returning it even though it does not refer to a FD
at all. It merely holds 0 or -1. Drop it completely. Also, at the
same time some corner cases are fixed too.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1240439
In this function we create a macvtap device and open its tap
device. Possibly multiple times. Now the thing is, if opening the
tap device fails, that is virNetDevMacVLanTapOpen() returns a
negative value, we unroll all the changes BUT return 0 fooling
caller into thinking everything went okay.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Since a9331394 (first release v2.1.0), specifying a manual
security_driver setting in qemu.conf causes the daemon to fail to
start, erroring with 'Duplicate security driver X'.
The duplicate checking was incorrectly comparing every entry
against itself, guaranteeing a false positive.
https://bugzilla.redhat.com/show_bug.cgi?id=1365607
More misunderstanding/mistaken assumptions on my part - I had thought
that a pci-expander-bus could be plugged into any legacy PCI slot, and
that pcie-expander-bus could be plugged into any PCIe slot. This isn't
correct - they can both be plugged ontly into their respective root
buses. This patch adds that restriction.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1358712
libvirt had allowed a dmi-to-pci-bridge to be plugged in anywhere a
normal PCIe endpoint can be connected, but this is wrong - it will
only work if it's plugged into pcie-root (the PCIe root complex) or a
pcie-expander-bus (the qemu device pxb-pcie). This patch adjusts the
connection flags accordingly.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1363648
I apparently misunderstood Marcel's description of what could and
couldn't be plugged into qemu's pxb-pcie controller (known as
pcie-expander-bus in libvirt) - I specifically allowed directly
connecting a pcie-switch-upstream-port, and it turns out that causes
the guest kernel to crash.
This patch forbids such a connection, and updates the xml docs
appropriately.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1361172
The virDomainPCIAddressFlagsCompatible() error logs report that a
device required a controller that accepted standard PCI endpoint
devices, or PCI Express endpoint devices, and if hotplug was required
by the configuration but not provided by the selected controller. But
the wording of the error messages was apparently confusing (according
to the bugzilla report referenced below). On top of that, if the
device was something other than an endpoint device (e.g. a
pcie-switch-downstream-port) the error message was a complete punt -
it would just say that the flags were incorrect.
This patch makes the messages for PCI/PCIe endpoint and hotplug
requirements more clear, and also specifically indicates what was the
device type when it is other than an endpoint device.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1363627
After commit 9d479dd1 fiddled with the cmdConnect's output which used to be a
bit more verbose prior to the mentioned commit, the program flow would result
in a quite confusing error if an invalid URI has been provided:
error: Failed to connect to the admin server
Connected to the admin server
error: <some error>
The problem is that the commit mentioned above relied on the fact that
connect routine always succeeds which is not true.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Since the introduction of CMT features (commit v1.3.5-461-gf294b83)
starting a domain with host-model CPU on a host which supports CMT fails
because QEMU complains about unknown 'cmt' feature:
qemu-system-x86_64: CPU feature cmt not found
https://bugzilla.redhat.com/show_bug.cgi?id=1355857
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
The generated command line wouldn't work since QEMU doesn't know what
'cmt' is. The following patch will fix this issue.
https://bugzilla.redhat.com/show_bug.cgi?id=1355857
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
By removing a non-migratable feature in a for loop we would fail to drop
every second non-migratable feature if the features array contained
several of them in a row.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
In libvirt, snapshot means disk snapshot.
snapshot --live is more like VM checkpoint.
Make it clear in virsh.pod.
Signed-off-by: Chen Hanxiao <chenhanxiao@gmail.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Commit 30ce2f0e tried to fix the issue with an incorrect session URI to admin
server but it messed up the checks:
if (geteuid == 0 && VIR_STRDUP(*uristr, "libvirtd:///system") < 0)
return -1;
else if (VIR_STRDUP(*uristr, "libvirtd:///session") < 0)
return -1;
So if a client executed with root privileges tries to connect, its euid is
checked (true) and the correct URI is successfully copied to @uristr (false),
therefore the 'else' branch is taken and @uristr is replaced by the session URI
which for root results in:
Failed to connect socket to '/root/.cache/libvirt/libvirt-admin-sock':
No such file or directory
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Just like we decide on which URI we go with based on EUID for qemu in remote
driver, do a similar thing for admin except we do not spawn a daemon in this
case.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1356858
Signed-off-by: Erik Skultety <eskultet@redhat.com>
So, I've ran into very interesting problem lately. When doing the
following, I've encountered an error:
libvirt.git $ make dist && tar -xJf libvirt-2.2.0.tar.xz && \
cd libvirt-2.2.0 && ./configure && \
rm docs/formatdomain.html && make -C docs
make: Entering directory 'docs'
make: *** No rule to make target 'formatdomain.html', needed by 'web'. Stop.
make: Leaving directory 'docs'
I had no idea what was going on, so I've nailed down the commit
that "broke it" via running git-bisect. It was this one:
7659bd9221. But that shed no more light until I realized
that the commit might actually just exposed a problem we had. And
guess what - I've nailed it down. Of course we are not
distributing subsite.xsl that's why make prints error message.
Very misleading one I must say.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Commit b3e4401dc6 introduced a check to ignore an error if the guest
is already terminated. However the check accidentally compared
error.code with VIR_ERR_ERROR, which is an error level, not an error
code. Because of this, almost every error got silently ignored.
Fixes: b3e4401dc6 ("systemd: don't report an error if the guest is
already terminated")
Signed-off-by: Marc Hartmayer <mhartmay@linux.vnet.ibm.com>
Reviewed-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
When build for architecture that don't use gcc atomic ops but pthread,
it fails to build for armel:
| ../tools/nss/.libs/libnss_libvirt_impl.a(libvirt_nss_la-virobject.o): In function `virClassNew':
| /buildarea2/kkang/builds/qemuarm-Aug03/bitbake_build/tmp/work/armv5e-wrs-linux-gnueabi/libvirt/1.3.5-r0/build/src/../../libvirt-1.3.5/src/util/virobject.c:153: undefined reference to `virAtomicLock'
| ../tools/nss/.libs/libnss_libvirt_impl.a(libvirt_nss_la-virobject.o): In function `virObjectNew':
| /buildarea2/kkang/builds/qemuarm-Aug03/bitbake_build/tmp/work/armv5e-wrs-linux-gnueabi/libvirt/1.3.5-r0/build/src/../../libvirt-1.3.5/src/util/virobject.c:205: undefined reference to `virAtomicLock'
| ../tools/nss/.libs/libnss_libvirt_impl.a(libvirt_nss_la-virobject.o): In function `virObjectUnref':
| /buildarea2/kkang/builds/qemuarm-Aug03/bitbake_build/tmp/work/armv5e-wrs-linux-gnueabi/libvirt/1.3.5-r0/build/src/../../libvirt-1.3.5/src/util/virobject.c:277: undefined reference to `virAtomicLock'
| ../tools/nss/.libs/libnss_libvirt_impl.a(libvirt_nss_la-virobject.o): In function `virObjectRef':
| /buildarea2/kkang/builds/qemuarm-Aug03/bitbake_build/tmp/work/armv5e-wrs-linux-gnueabi/libvirt/1.3.5-r0/build/src/../../libvirt-1.3.5/src/util/virobject.c:298: undefined reference to `virAtomicLock'
| collect2: error: ld returned 1 exit status
It is similar with:
http://libvirt.org/git/?p=libvirt.git;a=commit;h=12dc729
Signed-off-by: Kai Kang <kai.kang@windriver.com>
Unfortunately vz sdk do not provide detail information on migration
progress, only progress percentage. Thus vz driver provides percents
instead of bytes in data fields of virDomainJobInfoPtr.
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
The build was failing with:
CCLD lockd.la
libtool: error: can't build i686-pc-cygwin shared library unless -no-undefined is specified
Rather than add yet another $(CYGWIN_EXTRA_LDFLAGS) to all the
impacted *_la_LDFLAGS, it was easier to just pull the extra
flags into ALL libraries via AM_LDFLAGS.
Then, fix lockd_la_LDFLAGS to include AM_LDFLAGS, like all other
libraries.
Signed-off-by: Eric Blake <eblake@redhat.com>
Without XDR_CFLAGS, compilation on Cygwin fails with:
CC libvirt_driver_la-libvirt-stream.lo
In file included from libvirt-stream.c:26:0:
rpc/virnetprotocol.h:9:21: fatal error: rpc/rpc.h: No such file or directory
Signed-off-by: Eric Blake <eblake@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1363773
Imagine that you're creating a transient domain, but for some reason,
starting it fails. That is virLXCProcessStart() returns an error. With
current code, in the error handling code the domain object is removed
from the domain object list, @vm is set to NULL and controls jump to
enjob label where virLXCDomainObjEndJob() is called which dereference vm
leading to instant crash.
The fix is to end the job in the error handling code and only after that
remove the domain from the list and jump onto cleanup label instead of
endjob.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1362349
When adding the ability to build the pool during the start pool processing
using the similar flags as buildPool processing would use, the code was
essentially cut-n-pasted from storagePoolCreateXML. However, that included
a call to virStoragePoolObjRemove which shouldn't happen within the
storagePoolCreate path since that'll remove the pool from the list of
pools only to be rediscovered if libvirtd restarts.
So on failure, just fail and return as we should expect
Doing a load, copy, format cycle on all QEMU capabilities XML files
should make sure we don't forget to update virQEMUCapsNewCopy when
adding new elements to QEMU capabilities.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
There was a missing check for vol->target.encryption being NULL
at one particular place (modified by commit a48c71411) which caused a crash
when user attempted to create a raw volume using a non-raw file volume as
source.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1363636
Signed-off-by: Erik Skultety <eskultet@redhat.com>
In qemu, enabling this feature boils down to adding the following
onto the command line:
-global driver=cfi.pflash01,property=secure,value=on
However, there are some constraints resulting from the
implementation. For instance, System Management Mode (SMM) is
required to be enabled, the machine type must be q35-2.4 or
later, and the guest should be x86_64. While technically it is
possible to have 32 bit guests with secure boot, some non-trivial
CPU flags tuning is required (for instance lm and nx flags must
be prohibited). Given complexity of our CPU driver, this is not
trivial. Therefore I've chosen to forbid 32 bit guests for now.
If there's ever need, we can refine the check later.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This element will control secure boot implemented by some
firmwares. If the firmware used in <loader/> does support the
feature we must tell it to the underlying hypervisor. However, we
can't know whether loader does support it or not just by looking
at the file. Therefore we have to have an attribute to the
element where users can tell us whether the firmware is secure
boot enabled or not.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Since its release of 2.4.0 qemu is able to enable System
Management Module in the firmware, or disable it. We should
expose this capability in the XML. Unfortunately, there's no good
way to determine whether the binary we are talking to supports
it. I mean, if qemu's run with real machine type, the smm
attribute can be seen in 'qom-list /machine' output. But it's not
there when qemu's run with -M none. Therefore we're stuck with
version based check.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
We use 'goto cleanup' for a reason. If a function can exit at
many places but doesn't follow the pattern, it has to copy the
free code in multiple places.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
With newest gnutls available in Fedora 25/rawhide, it is
possible to have TLS priority fallbacks, so we can finally
use --tls-priority=@LIBVIRT,SYSTEM
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
A bunch of cases were only being tested for WHEN_ACTIVE or
WHEN_INACTIVE. Use WHEN_BOTH for all except the very few that
actually require the existing setup.
