Bug 2231257
| Summary: | MLS: logrotate.service fails to start because it cannot map its configuration file in memory | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 9 | Reporter: | Renaud Métrich <rmetrich> |
| Component: | selinux-policy | Assignee: | Nobody <nobody> |
| Status: | CLOSED ERRATA | QA Contact: | Milos Malik <mmalik> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | 9.2 | CC: | lvrabec, mmalik, zpytela |
| Target Milestone: | rc | Keywords: | Triaged |
| Target Release: | --- | Flags: | pm-rhel:
mirror+
|
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | selinux-policy-38.1.21-1.el9 | Doc Type: | Bug Fix |
| Doc Text: |
Cause: SELinux prevents logrotate to map its configuration file
Consequence: logrotate.service fails to start because it cannot map its configuration file in memory
Fix: Allow logrotate_t to map generic files in /etc
Result: logrotate.service is working
|
Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2023-11-07 08:52:41 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: | |||
Commit to backport: ec1ac0ac4 Allow logrotate_t to map generic files in /etc Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (selinux-policy bug fix and enhancement update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2023:6617 |
Description of problem: On a freshly installed MLS system, we can see logrotate.service unit failing: -------- 8< ---------------- 8< ---------------- 8< ---------------- 8< -------- [root@vm-mls9 ~]# journalctl -b -u logrotate.service Aug 11 08:12:14 vm-mls9 systemd[1]: Starting Rotate log files... Aug 11 08:12:14 vm-mls9 logrotate[707]: error: Error mapping config file /etc/logrotate.conf: Permission denied Aug 11 08:12:14 vm-mls9 systemd[1]: logrotate.service: Main process exited, code=exited, status=1/FAILURE Aug 11 08:12:14 vm-mls9 systemd[1]: logrotate.service: Failed with result 'exit-code'. Aug 11 08:12:14 vm-mls9 systemd[1]: Failed to start Rotate log files. -------- 8< ---------------- 8< ---------------- 8< ---------------- 8< -------- This happens because it's not able to map its configuration file: -------- 8< ---------------- 8< ---------------- 8< ---------------- 8< -------- type=PROCTITLE msg=audit(08/11/2023 08:12:14.244:13990) : proctitle=/usr/sbin/logrotate /etc/logrotate.conf type=SYSCALL msg=audit(08/11/2023 08:12:14.244:13990) : arch=x86_64 syscall=mmap success=no exit=EACCES(Permission denied) a0=0x0 a1=0x1f0 a2=PROT_READ a3=MAP_PRIVATE|MAP_POPULATE items=0 ppid=1 pid=707 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=logrotate exe=/usr/sbin/logrotate subj=system_u:system_r:logrotate_t:s0-s15:c0.c1023 key=(null) type=AVC msg=audit(08/11/2023 08:12:14.244:13990) : avc: denied { map } for pid=707 comm=logrotate path=/etc/logrotate.conf dev="dm-0" ino=33858546 scontext=system_u:system_r:logrotate_t:s0-s15:c0.c1023 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=0 -------- 8< ---------------- 8< ---------------- 8< ---------------- 8< -------- Version-Release number of selected component (if applicable): selinux-policy-mls-38.1.11-2.el9_2.3.noarch How reproducible: Always Steps to Reproduce: 1. Start logrotate.service unit Actual results: Failure Expected results: No failure