Bug 1524256
| Summary: | arpwatch fails to start on fc27 due to selinux denials | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Ian Donaldson <iand> |
| Component: | selinux-policy | Assignee: | Lukas Vrabec <lvrabec> |
| Status: | CLOSED ERRATA | QA Contact: | Fedora Extras Quality Assurance <extras-qa> |
| Severity: | medium | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 27 | CC: | dwalsh, jsynacek, lvrabec, mgrepl, mlichvar, plautrba, pmoore |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | selinux-policy-3.13.1-283.19.fc27 | Doc Type: | If docs needed, set a value |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2018-01-02 16:48:11 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: | |||
Nothing changed in arpwatch. selinux-policy-3.13.1-283.18.fc27 has been submitted as an update to Fedora 27. https://bodhi.fedoraproject.org/updates/FEDORA-2017-8225c4e502 selinux-policy-3.13.1-283.18.fc27 has been pushed to the Fedora 27 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-8225c4e502 selinux-policy-3.13.1-283.19.fc27 has been submitted as an update to Fedora 27. https://bodhi.fedoraproject.org/updates/FEDORA-2017-8225c4e502 selinux-policy-3.13.1-283.19.fc27 has been pushed to the Fedora 27 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-8225c4e502 selinux-policy-3.13.1-283.19.fc27 has been pushed to the Fedora 27 stable repository. If problems still persist, please make note of it in this bug report. |
Description of problem: arpwatch fails to start on fc27 Version-Release number of selected component (if applicable): arpwatch-2.1a15-40.fc27.x86_64 How reproducible: 100% Steps to Reproduce: 1. dnf install arpwatch; systemctl enable arwpatch; systemctl start arpwatch 2. 3. Actual results: Not running Dec 11 05:03:14 HOST arpwatch[2542]: pcap_setfilter: can't remove kernel filter: Bad file descriptor Dec 11 05:03:14 HOST systemd[1]: arpwatch.service: Main process exited, code=exited, status=1/FAILURE Dec 11 05:03:14 HOST systemd[1]: arpwatch.service: Unit entered failed state. Dec 11 05:03:14 HOST systemd[1]: arpwatch.service: Failed with result 'exit-code'. # grep arpwatch /var/log/audit/audit.log |grep denied type=AVC msg=audit(1512968529.409:828): avc: denied { map } for pid=2508 comm="arpwatch" path="socket:[34040]" dev="sockfs" ino=34040 scontext=system_u:system_r:arpwatch_t:s0 tcontext=system_u:system_r:arpwatch_t:s0 tclass=packet_socket permissive=0 type=AVC msg=audit(1512968529.428:829): avc: denied { map } for pid=2508 comm="arpwatch" path="socket:[34042]" dev="sockfs" ino=34042 scontext=system_u:system_r:arpwatch_t:s0 tcontext=system_u:system_r:arpwatch_t:s0 tclass=packet_socket permissive=0 type=AVC msg=audit(1512968529.456:830): avc: denied { map } for pid=2508 comm="arpwatch" path="socket:[34044]" dev="sockfs" ino=34044 scontext=system_u:system_r:arpwatch_t:s0 tcontext=system_u:system_r:arpwatch_t:s0 tclass=packet_socket permissive=0 type=AVC msg=audit(1512968529.477:831): avc: denied { map } for pid=2508 comm="arpwatch" path="socket:[34046]" dev="sockfs" ino=34046 scontext=system_u:system_r:arpwatch_t:s0 tcontext=system_u:system_r:arpwatch_t:s0 tclass=packet_socket permissive=0 type=AVC msg=audit(1512968529.490:832): avc: denied { map } for pid=2508 comm="arpwatch" path="/dev/usbmon0" dev="devtmpfs" ino=12186 scontext=system_u:system_r:arpwatch_t:s0 tcontext=system_u:object_r:usbmon_device_t:s0 tclass=chr_file permissive=0 type=AVC msg=audit(1512968529.490:833): avc: denied { map } for pid=2508 comm="arpwatch" path="/dev/usbmon3" dev="devtmpfs" ino=1133 scontext=system_u:system_r:arpwatch_t:s0 tcontext=system_u:object_r:usbmon_device_t:s0 tclass=chr_file permissive=0 type=AVC msg=audit(1512968529.542:834): avc: denied { map } for pid=2508 comm="arpwatch" path="/dev/usbmon1" dev="devtmpfs" ino=1124 scontext=system_u:system_r:arpwatch_t:s0 tcontext=system_u:object_r:usbmon_device_t:s0 tclass=chr_file permissive=0 type=AVC msg=audit(1512968529.549:835): avc: denied { map } for pid=2508 comm="arpwatch" path="/dev/usbmon2" dev="devtmpfs" ino=1130 scontext=system_u:system_r:arpwatch_t:s0 tcontext=system_u:object_r:usbmon_device_t:s0 tclass=chr_file permissive=0 type=AVC msg=audit(1512968529.614:837): avc: denied { map } for pid=2508 comm="arpwatch" path="socket:[34054]" dev="sockfs" ino=34054 scontext=system_u:system_r:arpwatch_t:s0 tcontext=system_u:system_r:arpwatch_t:s0 tclass=packet_socket permissive=0 Expected results: running Additional info: arpwatch had issues starting automatically on fc26 also but a 'systemctl start arpwatch' fixed it always; not so on fc27. selinux is stopping this clearly... these audit2allow generated rules seem to make it go: -- # grep arpwatch /var/log/audit/audit.log |grep denied |audit2allow -M arpwatch1 # cat arpwatch1.te module arpwatch1 1.0; require { type usbmon_device_t; type arpwatch_t; class packet_socket map; class chr_file map; } #============= arpwatch_t ============== allow arpwatch_t self:packet_socket map; allow arpwatch_t usbmon_device_t:chr_file map; # semodule -i arpwatch1.pp # systemctl start arpwatch --