February 2026 - Devel - libvirt List Archives

[PATCH 0/2] fdstream: attempt to fix EOF handling (again)
by Daniel P. Berrangé 27 Feb '26

27 Feb '26

Daniel P. Berrangé (2): fdstream: don't set return value if looping to read more data fdstream: fix EOF handling when reading data src/util/virfdstream.c | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) -- 2.53.0

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[PATCH] news: document bhyve changes for 12.1.0
by Roman Bogorodskiy 27 Feb '26

27 Feb '26

Signed-off-by: Roman Bogorodskiy <bogorodskiy(a)gmail.com> --- NEWS.rst | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/NEWS.rst b/NEWS.rst index 71f1f21472..92f6d07e04 100644 --- a/NEWS.rst +++ b/NEWS.rst @@ -41,8 +41,25 @@ v12.1.0 (unreleased) the `guest firmware configuration <formatdomain.html#guest-firmware>`__ section of the documentation. + * bhyve: Add support for vCPU pinning configuration + + Bhyve guests can now have vCPU pinning configured:: + + <cputune> + <vcpupin vcpu="0" cpuset="1,2,3"/> + </cputune> + + Additionally, the ``domainGetVcpuPinInfo`` API is implemented for + querying vCPU pinning information. + * **Improvements** + * bhyve: improve loader configuration for arm64 guests + + If loader is not explicitly configured, use the loader + from the ``sysutils/u-boot-bhyve-arm64`` port/package for the + arm64 guests. + * **Bug fixes** -- 2.52.0

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[PATCH 0/4] qemuhotplugtest: Introduce interface-hostdev test case
by Michal Privoznik 27 Feb '26

27 Feb '26

Inspired by the following patch: https://lists.libvirt.org/archives/list/devel@lists.libvirt.org/thread/YQHQ… Michal Prívozník (4): virpcimock: Create sriov_totalvfs file and virtfnN symlinks virpcimock: Create net/ subdir for devices virnetdevmock: Mock virNetDevSaveNetConfig() and virNetDevSetNetConfig() qemuhotplugtest: Introduce interface-hostdev test case src/util/virnetdev.h | 5 +- tests/qemuhotplugtest.c | 7 +- .../qemuhotplug-interface-hostdev.xml | 6 ++ ...emuhotplug-base-live+interface-hostdev.xml | 63 +++++++++++++++ tests/virnetdevmock.c | 22 ++++++ tests/virpcimock.c | 78 +++++++++++++++++-- 6 files changed, 171 insertions(+), 10 deletions(-) create mode 100644 tests/qemuhotplugtestdevices/qemuhotplug-interface-hostdev.xml create mode 100644 tests/qemuhotplugtestdomains/qemuhotplug-base-live+interface-hostdev.xml -- 2.52.0

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[PATCH v7 0/2] qemu: Support accelerated vSMMUs
by Nathan Chen 26 Feb '26

26 Feb '26

Hi, This is a follow up to the sixth RFC patchset [0] for supporting multiple accelerated vSMMU instances. Support for user-creatable accelerated SMMUv3 in QEMU has been applied to target-arm.next [1]. For instance, specifying hostdevs associated with multiple accelerated SMMUs, configured to be routed to pcie-expander-bus controllers in a way where VFIO device to SMMUv3 associations are matched with the host: <devices> ... <controller type='pci' index='1' model='pcie-expander-bus'> <model name='pxb-pcie'/> <target busNr='252'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/> </controller> <controller type='pci' index='2' model='pcie-expander-bus'> <model name='pxb-pcie'/> <target busNr='248'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </controller> ... <controller type='pci' index='21' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='21' port='0x0'/> <address type='pci' domain='0x0000' bus='0x01' slot='0x00' function='0x0'/> </controller> <controller type='pci' index='22' model='pcie-root-port'> <model name='pcie-root-port'/> <target chassis='22' port='0xa8'/> <address type='pci' domain='0x0000' bus='0x02' slot='0x00' function='0x0'/> </controller> ... <hostdev mode='subsystem' type='pci' managed='no'> <source> <address domain='0x0009' bus='0x01' slot='0x00' function='0x0'/> </source> <vpasidCapOffset>0xff8</vpasidCapOffset> <address type='pci' domain='0x0000' bus='0x15' slot='0x00' function='0x0'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='no'> <source> <address domain='0x0019' bus='0x01' slot='0x00' function='0x0'/> </source> <vpasidCapOffset>0xff8</vpasidCapOffset> <address type='pci' domain='0x0000' bus='0x16' slot='0x00' function='0x0'/> </hostdev> <iommu model='smmuv3'> <driver parentIdx='1' accel='on' ats='on' ril='off' ssidSize='20' oas='44'/> </iommu> <iommu model='smmuv3'> <driver parentIdx='2' accel='on' ats='on' ril='off' ssidSize='20' oas='44'/> </iommu> </devices> This would get translated to a qemu command line with the arguments below: -device '{"driver":"pxb-pcie","bus_nr":252,"id":"pci.1","bus":"pcie.0","addr":"0x1"}' \ -device '{"driver":"pxb-pcie","bus_nr":248,"id":"pci.2","bus":"pcie.0","addr":"0x2"}' \ -device '{"driver":"pcie-root-port","port":0,"chassis":21,"id":"pci.21","bus":"pci.1","addr":"0x0"}' \ -device '{"driver":"pcie-root-port","port":168,"chassis":22,"id":"pci.22","bus":"pci.2","addr":"0x0"}' \ -device '{"driver":"arm-smmuv3","primary-bus":"pci.1","id":"iommu0","accel":true,"ats":true,"ril":false,"ssidsize":20,"oas":44}' \ -device '{"driver":"arm-smmuv3","primary-bus":"pci.2","id":"iommu1","accel":true,"ats":true,"ril":false,"ssidsize":20,"oas":44}' \ -device '{"driver":"vfio-pci","host":"0009:01:00.0","id":"hostdev0","x-vpasid-cap-offset":4088,"bus":"pci.21","addr":"0x0"}' \ -device '{"driver":"vfio-pci","host":"0019:01:00.0","id":"hostdev1","x-vpasid-cap-offset":4088,"bus":"pci.22","addr":"0x0"}' \ This series is on Github: https://github.com/NathanChenNVIDIA/libvirt/tree/smmuv3-accel-01-26-v7/ Thanks, Nathan Changes from v6: - Remove smmuv3 'pasid' attribute - Add smmuv3 'ssidsize' attribute - Add support for 'vpasidCapOffset' element - Modify logic for building accel smmuv3 qemu command line to omit ATS, RIL, accel flags when not needed (enabled/disabled by default in QEMU SMMUv3) [0] https://lists.libvirt.org/archives/list/devel@lists.libvirt.org/thread/VRSS… [1] https://lore.kernel.org/qemu-devel/20260126104342.253965-1-skolothumtho@nvi… Nathan Chen (2): qemu: Add support for HW-accelerated nested SMMUv3 tests: qemuxmlconfdata: provide HW-accel smmuv3 sample XML and CLI args docs/formatdomain.rst | 36 +++++++ src/conf/domain_conf.c | 101 +++++++++++++++++- src/conf/domain_conf.h | 6 ++ src/conf/domain_validate.c | 36 ++++++- src/conf/schemas/domaincommon.rng | 32 ++++++ src/qemu/qemu_command.c | 23 ++++ src/util/virpci.h | 4 + ...u-smmuv3-pci-bus-accel.aarch64-latest.args | 38 +++++++ ...mu-smmuv3-pci-bus-accel.aarch64-latest.xml | 64 +++++++++++ .../iommu-smmuv3-pci-bus-accel.xml | 54 ++++++++++ tests/qemuxmlconftest.c | 1 + 11 files changed, 390 insertions(+), 5 deletions(-) create mode 100644 tests/qemuxmlconfdata/iommu-smmuv3-pci-bus-accel.aarch64-latest.args create mode 100644 tests/qemuxmlconfdata/iommu-smmuv3-pci-bus-accel.aarch64-latest.xml create mode 100644 tests/qemuxmlconfdata/iommu-smmuv3-pci-bus-accel.xml -- 2.43.0

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Entering freeze for libvirt-12.1.0
by Jiri Denemark 26 Feb '26

26 Feb '26

I have just tagged v12.1.0-rc1 in the repository and pushed signed tarballs to https://download.libvirt.org/ Please give the release candidate some testing and in case you find a serious issue which should have a fix in the upcoming release, feel free to reply to this thread to make sure the issue is more visible. If you have not done so yet, please update NEWS.rst to document any significant change you made since the last release. Jirka

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[PATCH] news: document new hyperv features
by Jonathon Jongsma 26 Feb '26

26 Feb '26

Signed-off-by: Jonathon Jongsma <jjongsma(a)redhat.com> --- NEWS.rst | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/NEWS.rst b/NEWS.rst index 71f1f21472..a581d2e840 100644 --- a/NEWS.rst +++ b/NEWS.rst @@ -41,6 +41,13 @@ v12.1.0 (unreleased) the `guest firmware configuration <formatdomain.html#guest-firmware>`__ section of the documentation. + * hyperv: improve API coverage for the hyperv driver + + The `virDomainInterfaceAddresses()` and `virDomainGetBlockInfo()` APIs are + now supported by the hyperv driver. In addition, the domain xml for hyperv + domains will indicate via firmware features whether secure boot is enabled. + It also honors these firmware features when creating new domains. + * **Improvements** * **Bug fixes** -- 2.53.0

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[libvirt PATCH] qemu_hotplug: enter monitor in order to rollback passed FD
by Pavel Hrdina 26 Feb '26

26 Feb '26

From: Pavel Hrdina <phrdina(a)redhat.com> Reported-by: Peter Krempa <pkrempa(a)redhat.com> Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com> --- src/qemu/qemu_hotplug.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index bede4e3ccd..93cbaf1d91 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -1680,8 +1680,10 @@ qemuDomainAttachHostPCIDevice(virQEMUDriver *driver, qemuDomainObjExitMonitor(vm); } + qemuDomainObjEnterMonitor(vm); qemuFDPassDirectTransferMonitorRollback(hostdevPriv->vfioDeviceFd, priv->mon); qemuFDPassDirectTransferMonitorRollback(priv->iommufd, priv->mon); + qemuDomainObjExitMonitor(vm); if (releaseaddr) qemuDomainReleaseDeviceAddress(vm, info); -- 2.53.0

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[PATCH v6 00/27] util: sync error_report & qemu_log output more closely
by Daniel P. Berrangé 26 Feb '26

26 Feb '26

This series is a tangent that came out of discussion in https://lists.nongnu.org/archive/html/qemu-devel/2025-08/msg00903.html In thinking about adding thread info to error_report, I came to realize we should likely make qemu_log behave consistently with error_report & friends. We already honour '-msg timestamp=on', but don't honour 'guest-name=on' and also don't include the binary name. As an example of the current state, consider mixing error and log output today: - Default context: # qemu-system-x86_64 -object tls-creds-x509,id=t0,dir=fish \ -d 'trace:qcrypto*' qcrypto_tls_creds_x509_load TLS creds x509 load creds=0x55ac6d97f700 dir=fish qcrypto_tls_creds_get_path TLS creds path creds=0x55ac6d97f700 filename=ca-cert.pem path=<none> qemu-system-x86_64: Unable to access credentials fish/ca-cert.pem: No such file or directory - Full context: # qemu-system-x86_64 -object tls-creds-x509,id=t0,dir=fish \ -d 'trace:qcrypto*' \ -msg guest-name=on,timestamp=on \ -name "fish food" 2025-08-19T20:14:16.791413Z qcrypto_tls_creds_x509_load TLS creds x509 load creds=0x55e9a3458d10 dir=fish 2025-08-19T20:14:16.791429Z qcrypto_tls_creds_get_path TLS creds path creds=0x55e9a3458d10 filename=ca-cert.pem path=<none> 2025-08-19T20:14:16.791433Z fish food qemu-system-x86_64: Unable to access credentials fish/ca-cert.pem: No such file or directory And after this series is complete: - Default context: # qemu-system-x86_64 -object tls-creds-x509,id=t0,dir=fish \ -d 'trace:qcrypto*' qemu-system-x86_64(1184284:main): qcrypto_tls_creds_x509_load TLS creds x509 load creds=0x55a24ad5cb30 dir=fish qemu-system-x86_64(1184284:main): qcrypto_tls_creds_get_path TLS creds path creds=0x55a24ad5cb30 filename=ca-cert.pem path=<none> qemu-system-x86_64(1184284:main): Unable to access credentials fish/ca-cert.pem: No such file or directory - Full context: # qemu-system-x86_64 -object tls-creds-x509,id=t0,dir=fish \ -d 'trace:qcrypto*' \ -msg guest-name=on,timestamp=on \ -name "fish food" 2025-08-19T20:12:50.211823Z [fish food] qemu-system-x86_64(1168876:main): qcrypto_tls_creds_x509_load TLS creds x509 load creds=0x5582183d8760 dir=fish 2025-08-19T20:12:50.211842Z [fish food] qemu-system-x86_64(1168876:main): qcrypto_tls_creds_get_path TLS creds path creds=0x5582183d8760 filename=ca-cert.pem +path=<none> 2025-08-19T20:12:50.211846Z [fish food] qemu-system-x86_64(1168876:main): Unable to access credentials fish/ca-cert.pem: No such file or directory The main things to note: * error_report/warn_report/qemu_log share the same output format and -msg applies to both * -msg debug-threads=on is now unconditionally enabled and thus the param is deprecated & ignored * Thread ID and name are unconditionally enabled * Guest name is surrounded in [...] brackets * The default output lines are typically 15 chars wider given that we always include the thread ID + name now * This takes the liberty of assigning the new file to the existing error-report.c maintainer (Markus) Since splitting it off into message.c instead of putting it all in error-report.c felt slightly nicer. One thing I didn't tackle is making the location info get reported for qemu_log. This is used to give context for error messages when parsing some CLI args, and could be interesting for log messages associated with those same CLI args. Changes in v6: - Don't use pthread API to set main thread name, as this affects visibility in 'top' and 'ps' - Split off Win32 thread naming race fix intoseparate patch - Tweaks to wording in API docs for logging - Improve VNC auth error messages - Don't relpace monitor_cur_is_qmp with monitor_cur_is_hmp, change code approach instead Changes in v5: - Use g_strlcpy instead of strlcpy - Remove redundant !! around a value that was already bool - Improve the qemu_lock_trylock() API docs to encourage use of fprintf() instead of further qemu_log() calls - Add a qemu_log_trylock_context() counterpart for qemu_log_trylock that includes the message context - Don't scan for \n to determine whether we can output a message context prefix or not. Instead track call depth on qemu_log_trylock() and only output it when the depth was initially zero. This fixes linux-user -strace output formatting which was mangled by v4 - Use fprintf(stderr) instead of error_printf_mon in cases where mon would be NULL - Use fputs/fputc in simple cases where we don't need the full power of fprintf - Use qemu_f{un}lockfile instead of f{un}lockfile - Add -msg thread-info=on|off,program-name=on|off args to allow default message prefixes to be optionally disabled Changes in v4: - Re-architected the way error_vprintf() operates to simplify monitor dependency - Fixed the move of error_vprintf from monitor.c to error-report.c so that unit tests can still get a stub to capture messages to g_test_message - Simplify changes to vreport() to avoid passing around function pointers - Add locking of stderr to vreport() to serialize incremental output - Fix thread naming logic changes on Windows - Change deprecation warning messages Changes in v3: - Stop formatting a string in qmessage_context, instead output directly to a "FILE *" stream - Fix pre-existing bug interleaving qemu_log and vreport when the trace 'log' backend has mutex probes enabled Changes in v2: - Re-use existing qemu_get_thread_id rather than re-inventing it as qemu_thread_get_id. - Expose qemu_thread_set_name and use it from all locations needing to set thread names - Fix qemu_log() to skip context prefix when emitting a log message in fragments across multiple calls - Skip allocating memory for empty context messages - Fix leak in win32 impl of qemu_thread_get_name - Use g_strlcpy where possible Daniel P. Berrangé (27): meson: don't access 'cxx' object without checking cpp lang qemu-options: remove extraneous [] around arg values include: define constant for early constructor priority monitor: initialize global data from a constructor system: unconditionally enable thread naming util: fix race setting thread name on Win32 util: expose qemu_thread_set_name audio: make jackaudio use qemu_thread_set_name util: set the name for the 'main' thread on Windows util: add API to fetch the current thread name util: introduce some API docs for logging APIs util: avoid repeated prefix on incremental qemu_log calls util/log: add missing error reporting in qemu_log_trylock_with_err ui: add proper error reporting for password changes ui: remove redundant use of error_printf_unless_qmp() monitor: remove redundant error_[v]printf_unless_qmp monitor: refactor error_vprintf() monitor: move error_vprintf back to error-report.c util: fix interleaving of error & trace output util: don't skip error prefixes when QMP is active util: fix interleaving of error prefixes util: introduce common helper for error-report & log code util: convert error-report & log to message API for timestamp util: add support for formatting a workload name in messages util: add support for formatting a program name in messages util: add support for formatting thread info in messages util: add brackets around guest name in message context MAINTAINERS | 2 + audio/jackaudio.c | 30 +++++-- docs/about/deprecated.rst | 7 ++ include/monitor/monitor.h | 3 - include/qemu/compiler.h | 8 ++ include/qemu/error-report.h | 4 - include/qemu/log-for-trace.h | 17 +++- include/qemu/log.h | 39 +++++++++ include/qemu/message.h | 40 +++++++++ include/qemu/thread.h | 3 +- include/ui/console.h | 2 +- include/ui/qemu-spice-module.h | 3 +- meson.build | 23 ++++- monitor/monitor.c | 51 ++--------- qemu-options.hx | 121 ++++++++++++++------------- rust/util/src/log.rs | 6 ++ storage-daemon/qemu-storage-daemon.c | 6 ++ stubs/error-printf.c | 23 ----- stubs/meson.build | 1 - stubs/monitor-core.c | 19 ++++- system/vl.c | 49 +++++++++-- tests/functional/generic/test_vnc.py | 4 +- tests/qemu-iotests/041 | 2 +- tests/qemu-iotests/common.filter | 2 +- tests/unit/test-error-report.c | 6 +- tests/unit/test-util-sockets.c | 1 + ui/spice-core.c | 25 ++++-- ui/spice-module.c | 7 +- ui/ui-qmp-cmds.c | 19 ++--- ui/vnc-stubs.c | 6 +- ui/vnc.c | 16 ++-- util/error-report.c | 103 +++++++++++++++-------- util/log.c | 48 ++++++----- util/meson.build | 1 + util/message.c | 51 +++++++++++ util/qemu-thread-posix.c | 89 ++++++++++++++------ util/qemu-thread-win32.c | 87 +++++++++++++------ 37 files changed, 628 insertions(+), 296 deletions(-) create mode 100644 include/qemu/message.h delete mode 100644 stubs/error-printf.c create mode 100644 util/message.c -- 2.53.0

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[libvirt PATCH for 12.1.0] domain_conf: initialize network hostdev private data
by Pavel Hrdina 26 Feb '26

26 Feb '26

From: Pavel Hrdina <phrdina(a)redhat.com> Currently virDomainNetDef and virDomainActualNetDef use virDomainHostdevDef directly as structure and the code doesn't call virDomainHostdevDefNew() that would initialize private data. This is hackish quick fix to solve a crash that happens in two scenarios: 1. attaching any interface with hostdev backend 0x0000fffbfc0e2a90 in qemuDomainAttachHostPCIDevice (driver=0xfffbb4006750, vm=0xfffbf001f790, hostdev=0xfffbf400b150) at ../src/qemu/qemu_hotplug.c:1652 1652 if ((ret = qemuFDPassDirectTransferMonitor(hostdevPriv->vfioDeviceFd, priv->mon)) < 0) 2. starting VM with interface with hostdev backend using iommufd 0x00007f6638d5b9ca in qemuProcessOpenVfioDeviceFd (hostdev=hostdev@entry=0x7f6634425ee0) at ../src/qemu/qemu_process.c:7719 7719 hostdevPriv->vfioDeviceFd = qemuFDPassDirectNew(name, &vfioDeviceFd); Proper fix for this issue is to refactor network code to use pointer and to use virDomainHostdevDefNew(). Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com> --- src/conf/domain_conf.c | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 3528b90742..8090becdcf 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -3517,6 +3517,20 @@ void virDomainVideoDefFree(virDomainVideoDef *def) } +static int +virDomainHostdevDefPrivateDataNew(virDomainHostdevDef *def, + virDomainXMLOption *xmlopt) +{ + if (!xmlopt || !xmlopt->privateData.hostdevNew) + return 0; + + if (!(def->privateData = xmlopt->privateData.hostdevNew())) + return -1; + + return 0; +} + + virDomainHostdevDef * virDomainHostdevDefNew(virDomainXMLOption *xmlopt) { @@ -3526,8 +3540,7 @@ virDomainHostdevDefNew(virDomainXMLOption *xmlopt) def->info = g_new0(virDomainDeviceInfo, 1); - if (xmlopt && xmlopt->privateData.hostdevNew && - !(def->privateData = xmlopt->privateData.hostdevNew())) { + if (virDomainHostdevDefPrivateDataNew(def, xmlopt) < 0) { VIR_FREE(def->info); VIR_FREE(def); return NULL; @@ -9739,6 +9752,9 @@ virDomainActualNetDefParseXML(xmlNodePtr node, virDomainHostdevDef *hostdev = &actual->data.hostdev.def; int type; + if (virDomainHostdevDefPrivateDataNew(hostdev, xmlopt) < 0) + goto error; + hostdev->parentnet = parent; hostdev->info = &parent->info; /* The helper function expects type to already be found and @@ -10432,6 +10448,9 @@ virDomainNetDefParseXML(virDomainXMLOption *xmlopt, g_autofree char *addrtype = virXPathString("string(./source/address/@type)", ctxt); int type; + if (virDomainHostdevDefPrivateDataNew(&def->data.hostdev.def, xmlopt) < 0) + return NULL; + def->data.hostdev.def.parentnet = def; def->data.hostdev.def.info = &def->info; def->data.hostdev.def.mode = VIR_DOMAIN_HOSTDEV_MODE_SUBSYS; -- 2.53.0

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[PATCH v2] util: fix use-after-free in virIdentityGetSystem
by Stefan Kober 26 Feb '26

26 Feb '26

We have a g_autoptr ret in the virIdentityGetSystem function. In the happy path it is properly returned by doing: return g_steal_pointer(&ret); There are 2 early return paths, were we do the following: "return ret;" This leads to the g_autoptr being cleaned up after we leave the function, as we do not properly "steal" it. When later using the return value we have a use-after-free, which has led to segfaults in some cases. As this is a regression introduced in 1280a631ef488aeaab905eb30a55899ef8ba97be, we change the behavior to properly return NULL in those cases. On-behalf-of: SAP stefan.kober(a)sap.com Signed-off-by: Stefan Kober <stefan.kober(a)cyberus-technology.de> --- src/util/viridentity.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/util/viridentity.c b/src/util/viridentity.c index b7b88056ac..8e59179a20 100644 --- a/src/util/viridentity.c +++ b/src/util/viridentity.c @@ -328,14 +328,14 @@ virIdentity *virIdentityGetSystem(void) return NULL; if (!(username = virGetUserName(geteuid()))) - return ret; + return NULL; if (virIdentitySetUserName(ret, username) < 0) return NULL; if (virIdentitySetUNIXUserID(ret, getuid()) < 0) return NULL; if (!(groupname = virGetGroupName(getegid()))) - return ret; + return NULL; if (virIdentitySetGroupName(ret, groupname) < 0) return NULL; if (virIdentitySetUNIXGroupID(ret, getgid()) < 0) -- 2.53.0

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