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Description of problem: chronyd causes denial when starting Version-Release number of selected component (if applicable): chrony-3.1-1.el7.x86_64 selinux-policy-3.13.1-117.el7.noarch How reproducible: always Steps to Reproduce: 1. systemctl restart chronyd Actual results: type=AVC msg=audit(1486749775.953:842): avc: denied { chown } for pid=28835 comm="chronyd" capability=0 scontext=system_u:system_r:chronyd_t:s0 tcontext=system_u:system_r:chronyd_t:s0 tclass=capability [root@masox ~]# systemctl restart chronyd [root@masox ~]# systemctl status chronyd ● chronyd.service - NTP client/server Loaded: loaded (/usr/lib/systemd/system/chronyd.service; enabled; vendor preset: enabled) Active: active (running) since Fri 2017-02-10 19:03:24 CET; 1s ago Docs: man:chronyd(8) man:chrony.conf(5) Process: 28886 ExecStartPost=/usr/libexec/chrony-helper update-daemon (code=exited, status=0/SUCCESS) Process: 28882 ExecStart=/usr/sbin/chronyd $OPTIONS (code=exited, status=0/SUCCESS) Main PID: 28884 (chronyd) CGroup: /system.slice/chronyd.service └─28884 /usr/sbin/chronyd Feb 10 19:03:24 masox.brq.redhat.com systemd[1]: Starting NTP client/server... Feb 10 19:03:24 masox.brq.redhat.com chronyd[28884]: chronyd version 3.1 starting (+CMDMON +NTP +REFCLOCK +RTC +PRIVDROP +SCFILTER +SECHASH +SIGND +ASYNCDNS +IPV6 +DEBUG) Feb 10 19:03:24 masox.brq.redhat.com chronyd[28884]: commandkey directive is no longer supported Feb 10 19:03:24 masox.brq.redhat.com chronyd[28884]: generatecommandkey directive is no longer supported Feb 10 19:03:24 masox.brq.redhat.com chronyd[28884]: Could not change ownership of /var/run/chrony : Operation not permitted Feb 10 19:03:24 masox.brq.redhat.com chronyd[28884]: Could not access /var/run/chrony : No such file or directory Feb 10 19:03:24 masox.brq.redhat.com chronyd[28884]: Disabled command socket /var/run/chrony/chronyd.sock Feb 10 19:03:24 masox.brq.redhat.com chronyd[28884]: Frequency 13.119 +/- 1.419 ppm read from /var/lib/chrony/drift Feb 10 19:03:24 masox.brq.redhat.com systemd[1]: Started NTP client/server. Expected results: no denial Additional info:
FYI: the /var/run/chrony directory did not exist after installation of chrony package. The directory was not created by the reproducer in enforcing mode, but got created by the reproducer in permissive mode. Caught in enforcing mode: ---- type=PATH msg=audit(02/11/2017 14:11:58.434:300) : item=0 name=/var/run/chrony inode=34471 dev=00:13 mode=dir,750 ouid=root ogid=root rdev=00:00 obj=system_u:object_r:chronyd_var_run_t:s0 objtype=NORMAL type=CWD msg=audit(02/11/2017 14:11:58.434:300) : cwd=/ type=SYSCALL msg=audit(02/11/2017 14:11:58.434:300) : arch=x86_64 syscall=chown success=no exit=EPERM(Operation not permitted) a0=0x7efdb8e8af30 a1=chrony a2=chrony a3=0x7efdb7b416c0 items=1 ppid=1 pid=14367 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=chronyd exe=/usr/sbin/chronyd subj=system_u:system_r:chronyd_t:s0 key=(null) type=AVC msg=audit(02/11/2017 14:11:58.434:300) : avc: denied { chown } for pid=14367 comm=chronyd capability=chown scontext=system_u:system_r:chronyd_t:s0 tcontext=system_u:system_r:chronyd_t:s0 tclass=capability ---- Caught in permissive mode: ---- type=PATH msg=audit(02/11/2017 14:13:02.664:305) : item=0 name=/var/run/chrony inode=34729 dev=00:13 mode=dir,750 ouid=root ogid=root rdev=00:00 obj=system_u:object_r:chronyd_var_run_t:s0 objtype=NORMAL type=CWD msg=audit(02/11/2017 14:13:02.664:305) : cwd=/ type=SYSCALL msg=audit(02/11/2017 14:13:02.664:305) : arch=x86_64 syscall=chown success=yes exit=0 a0=0x7f7c00e5cf30 a1=chrony a2=chrony a3=0x7f7c006e96c0 items=1 ppid=1 pid=14389 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=chronyd exe=/usr/sbin/chronyd subj=system_u:system_r:chronyd_t:s0 key=(null) type=AVC msg=audit(02/11/2017 14:13:02.664:305) : avc: denied { chown } for pid=14389 comm=chronyd capability=chown scontext=system_u:system_r:chronyd_t:s0 tcontext=system_u:system_r:chronyd_t:s0 tclass=capability ----
*** Bug 1425408 has been marked as a duplicate of this bug. ***
*** Bug 1440791 has been marked as a duplicate of this bug. ***
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, 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-2017:1861