Bug 2014390
| Summary: | AVC denied when start/destroy vm with lock_manager=lockd | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 9 | Reporter: | Fangge Jin <fjin> |
| Component: | libvirt | Assignee: | khanicov |
| Status: | CLOSED DUPLICATE | QA Contact: | Han Han <hhan> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 9.0 | CC: | hhan, jsuchane, lmen, virt-maint, xuzhang |
| Target Milestone: | rc | Keywords: | Triaged |
| 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: | 2021-11-04 16:08:25 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: | |||
Also described here: https://bugzilla.redhat.com/show_bug.cgi?id=1824722#c1 (In reply to Jaroslav Suchanek from comment #1) > Also described here: https://bugzilla.redhat.com/show_bug.cgi?id=1824722#c1 Please disregard this, it's not related. *** This bug has been marked as a duplicate of bug 1792713 *** |
Description of problem: Set lock_manager='lockd' for qemu, vm can't start with error: # virsh start guest1 error: Failed to start domain 'guest1' error: internal error: Process exited prior to exec: libvirt: XML-RPC error : Failed to connect socket to '/run/libvirt/virtlockd-sock': Permission denied Version-Release number of selected component (if applicable): libvirt-client-7.6.0-5.module+el8.5.0+12933+58cb48a1.x86_64 selinux-policy-3.14.3-80.el8.noarch How reproducible: 100% Steps to Reproduce: 1. Set lock_manager to lockd for qemu: # grep -Ev "^$|^#" /etc/libvirt/qemu.conf lock_manager = "lockd" # grep -Ev "^$|^#" /etc/libvirt/qemu-lockd.conf auto_disk_leases = 1 require_lease_for_disks = 1 file_lockspace_dir = "/var/lib/libvirt/lockd/files" # systemctl restart virtlockd; systemctl restart libvirtd 2. Try to start a vm: # virsh start guest1 error: Failed to start domain 'guest1' error: internal error: Process exited prior to exec: libvirt: XML-RPC error : Failed to connect socket to '/run/libvirt/virtlockd-sock': Permission denied 3. Check audit log: # ausearch -m avc ---- time->Fri Oct 15 02:17:43 2021 type=PROCTITLE msg=audit(1634278663.494:2039): proctitle=2F7573722F7362696E2F6C69627669727464002D2D74696D656F757400313230 type=SYSCALL msg=audit(1634278663.494:2039): arch=c000003e syscall=42 success=no exit=-13 a0=3 a1=7f1b225c2000 a2=6e a3=1 items=0 ppid=62389 pid=62390 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="rpc-worker" exe="/usr/sbin/libvirtd" subj=system_u:system_r:virtd_t:s0-s0:c0.c1023 key=(null) type=AVC msg=audit(1634278663.494:2039): avc: denied { connectto } for pid=62390 comm="rpc-worker" path="/run/libvirt/virtlockd-sock" scontext=system_u:system_r:svirt_t:s0:c283,c415 tcontext=system_u:system_r:virtlogd_t:s0-s0:c0.c1023 tclass=unix_stream_socket permissive=0 4. Allow the access by: # ausearch -c 'rpc-worker' --raw | audit2allow -M my-rpcworker # semodule -X 300 -i my-rpcworker.pp 5. Start vm: # virsh start guest1 Domain 'guest1' started 6. Destroy vm: # virsh destroy guest1 Domain 'guest1' destroyed There is new avc denied info when destoying vm: ---- time->Fri Oct 15 02:25:15 2021 type=PROCTITLE msg=audit(1634279115.270:2213): proctitle="/usr/sbin/virtlockd" type=SYSCALL msg=audit(1634279115.270:2213): arch=c000003e syscall=62 success=no exit=-1 a0=f6be a1=f a2=55d20227c298 a3=55d20224de40 items=0 ppid=1 pid=63042 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="virtlockd" exe="/usr/sbin/virtlockd" subj=system_u:system_r:virtlogd_t:s0-s0:c0.c1023 key=(null) type=AVC msg=audit(1634279115.270:2213): avc: denied { kill } for pid=63042 comm="virtlockd" capability=5 scontext=system_u:system_r:virtlogd_t:s0-s0:c0.c1023 tcontext=system_u:system_r:virtlogd_t:s0-s0:c0.c1023 tclass=capability permissive=0 Actual results: Expected results: Additional info: