Hi,
I
recently had to do some selinux tuning to have chrome
correctly start on my fedora 20 box. I googled around and
eventually found the correct type to apply to the chrome
executable in order to make it work.
So the
problem is solved, but the error messages that I got were much
less informative than I expected. After watching
https://www.youtube.com/watch?v=MxjenQ31b70 on
selinux configuration, I was expecting messages in a format
like "selinux is preventing X from access on directoy Y", but
instead...
'journal
-f' provided nothing useful; 'tail -f
/var/log/audit/audit.log' showed a couple of log lines which
actually mentioned chrome, but in too generic a manner (see
below):
--------------------------------------
type=SYSCALL msg=audit(1413532031.170:387): arch=c000003e
syscall=56 success=yes exit=2394 a0=60000011 a1=0 a2=0 a3=0
items=0 ppid=2382 pid=2393 auid=1000 uid=1000 gid=1000
euid=0 suid=0 fsuid=0 egid=1000 sgid=1000 fsgid=1000
tty=(none) ses=1 comm="chrome-sandbox"
exe="/opt/google/chrome/chrome-sandbox"
subj=unconfined_u:unconfined_r:chrome_sandbox_t:s0-s0:c0.c1023
key=(null)
type=PROCTITLE msg=audit(1413532031.170:387):
proctitle=2F6F70742F676F6F676C652F6368726F6D652F6368726F6D652D73616E64626F78002F6F70742F676F6F676C652F6368726F6D652F6368726F6D65002D2D747970653D7A79676F7465
type=ANOM_ABEND msg=audit(1413532031.195:388): auid=1000
uid=1000 gid=1000 ses=1
subj=unconfined_u:unconfined_r:chrome_sandbox_t:s0-s0:c0.c1023
pid=2394 comm="chrome" exe="/opt/google/chrome/chrome"
sig=11
--------------------------------------
Before
I fixed the problem, launching google-chrome from command line
resulted in an error message about the impossibility of
creating directory .pki/nssdb in my home. No mention of this
directory name in the audit.
And to
finish, the SELinux troubleshooting tool didn't show anything
at all.
Why
don't I see a richer diagnostics? Am I missing some
configuration?
Kind regards,
Gianluca Ortelli
