Bug 2019701
| Summary: | libvirt crash when "virsh nodedev-define" with wrong formatted <uuid> in xml | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 9 | Reporter: | zhentang <zhetang> |
| Component: | libvirt | Assignee: | Virtualization Maintenance <virt-maint> |
| Status: | CLOSED DUPLICATE | QA Contact: | Virtualization Bugs <virt-bugs> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 9.0 | CC: | pkrempa, virt-maint |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-11-03 08:12:05 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
This is the same root cause as https://bugzilla.redhat.com/show_bug.cgi?id=2014139 . The parser returns a NULL object if the XML is invalid and then we tried to invoke the post-parse callbacks. *** This bug has been marked as a duplicate of bug 2014139 *** |
Description of problem: libvirt crash when "virsh nodedev-define" with wrong formatted <uuid> in xml Version-Release number of selected component (if applicable): libvirt-7.8.0-1.el9 qemu-kvm-6.1.0-6.el9 How reproducible: 100% Steps to Reproduce: 1.prepare a xml file for define mdev device with an invalid uuid #vi mdev.xml <device> <name>mdev_4187c971_5830_4a17_aed7_b1410c7eb63a_0000_5b_00_0</name> <parent>computer</parent> <capability type='mdev'> <type id='nvidia-262'/> <uuid>4187aed7-b1410c7eb63a</uuid> <iommuGroup number='0'/> </capability> </device> 2.try to define the device # virsh nodedev-define md.xml error: Disconnected from qemu:///system due to end of file error: Failed to define node device from 'md.xml' error: End of file while reading data: Input/output error Error message in /var/log/libvirt/libvirtd.log "2021-11-03 07:42:13.601+0000: 18508: error : virNodeDevCapMdevParseXML:1924 : internal error: Invalid uuid '4187aed7-b1410c7eb63a' for new mdev device" 3. Actual results: device define failed and libvirt crash Expected results: output error message like "error: internal error: malformed uuid element" when device define failed Additional info: