I just tried to upgrade a F13 system to F14 using preupgrade.
It seemed to go well, but I was getting a lot of AVC denials for NM
and polkitd, and NM wasn't working properly. So I tried a 'touch
/.autorelabel' and reboot. It seemed to work, but now I can't login. Any
login attempt (via gdm or F2 console) immediately logs me back out again.
/var/log/messages shows, for a console login as root:
SELinux is preventing /bin/login from entrypoint access on the file /bin/bash
and for a GUI-based login:
SELinux is preventing /usr/libexec/gdm-session-worker from entrypoint access on the file /usr/bin/gnome-keyring/daemon
SELinux is preventing /usr/libexec/gdm-session-worker from entrypoint access on the file /etc/X11/xinit/Xsession
I can boot single user okay.
I ran 'fixfiles restore' to relabel again and rebooted, and it made no
difference.
By comparing with a similar but un-upgraded (ie F13) working host, I
found that the following are the same on both hosts:
# ls -lZ /bin/login
-rwxr-xr-x. root root system_u:object_r:login_exec_t:s0 /bin/login
# ls -lZ /bin/bash
-rwxr-xr-x. root root system_u:object_r:shell_exec_t:s0 /bin/bash
Policy is the same apart from changes in ethereal and spamd:
# sesearch --allow --neverallow --auditallow --dontaudit --type \
--role_allow --role_trans --range_trans \
| sort | egrep -v'ethereal|spam[cd]'
# sestatus
SELinux status: enabled
SELinuxfs mount: /selinux
Current mode: enforcing
Mode from config file: enforcing
Policy version: 24
Policy from config file: targeted
While the two systems give the following:
# rpm -q selinux-policy
selinux-policy-3.7.19-101.fc13.noarch # F13 host
selinux-policy-3.9.7-40.fc14.noarch # F14 borked host
At this point I've exhausted my meager understanding of selinux.
Any suggestions?
Thanks.
--
In economics, the exam questions are the same every year.
They just change the answers.
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