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Bug 772717

Summary: selinux-policy in rhel-6.2 doesn't allow mcelogd to create pid file causing it not to start
Product: Red Hat Enterprise Linux 6 Reporter: Tuomo Soini <tis>
Component: selinux-policyAssignee: Miroslav Grepl <mgrepl>
Status: CLOSED ERRATA QA Contact: Milos Malik <mmalik>
Severity: high Docs Contact:
Priority: medium    
Version: 6.2CC: dwalsh, fixing-stuff-d-f-crisman-redhat-bugzilla, ilmis, ksrot, mmalik, stephenf
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: selinux-policy-3.7.19-135.el6 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-06-20 12:30:17 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
Patch for selinux policy for the issue - mostly backport from rawhide none

Description Tuomo Soini 2012-01-09 18:29:15 UTC 
Created attachment 551633 [details]
Patch for selinux policy for the issue - mostly backport from rawhide

Description of problem:

selinux-policy in rhel-6.2 prevents mcelogd mandatory access to pid file and log file. These problems cause mcelogd not being able to startup.

Version-Release number of selected component (if applicable):

3.7.19-126.el6_2.4

How reproducible:

always when selinux is Enforcing

Steps to Reproduce:
1. boot system
2. mcelogd not running after boot
Comment 1 Tuomo Soini 2012-01-09 18:31:07 UTC 
Patch file includes original avc messages
Comment 4 Milos Malik 2012-01-11 17:51:35 UTC 
Seen in enforcing mode:
----
time->Wed Jan 11 12:45:48 2012
type=SYSCALL msg=audit(1326303948.956:84270): arch=c000003e syscall=42 success=no exit=-13 a0=6 a1=7fff45eea640 a2=6e a3=8 items=0 ppid=15459 pid=15460 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts1 ses=16 comm="mcelog" exe="/usr/sbin/mcelog" subj=system_u:system_r:mcelog_t:s0 key=(null)
type=AVC msg=audit(1326303948.956:84270): avc:  denied  { write } for  pid=15460 comm="mcelog" name="mcelog-client" dev=dm-0 ino=1704219 scontext=system_u:system_r:mcelog_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=sock_file
----
time->Wed Jan 11 12:45:48 2012
type=SYSCALL msg=audit(1326303948.956:84271): arch=c000003e syscall=87 success=no exit=-13 a0=411085 a1=7fff45eea400 a2=0 a3=8 items=0 ppid=15459 pid=15460 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts1 ses=16 comm="mcelog" exe="/usr/sbin/mcelog" subj=system_u:system_r:mcelog_t:s0 key=(null)
type=AVC msg=audit(1326303948.956:84271): avc:  denied  { write } for  pid=15460 comm="mcelog" name="run" dev=dm-0 ino=1704702 scontext=system_u:system_r:mcelog_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=dir
----
Comment 5 Milos Malik 2012-01-11 17:54:35 UTC 
Seen in permissive mode:
----
time->Wed Jan 11 12:52:34 2012
type=SYSCALL msg=audit(1326304354.626:84295): arch=c000003e syscall=2 success=yes exit=4 a0=615160 a1=441 a2=1b6 a3=0 items=0 ppid=16075 pid=16076 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts1 ses=16 comm="mcelog" exe="/usr/sbin/mcelog" subj=system_u:system_r:mcelog_t:s0 key=(null)
type=AVC msg=audit(1326304354.626:84295): avc:  denied  { open } for  pid=16076 comm="mcelog" name="mcelog" dev=dm-0 ino=1704220 scontext=system_u:system_r:mcelog_t:s0 tcontext=system_u:object_r:cron_log_t:s0 tclass=file
----
time->Wed Jan 11 12:52:34 2012
type=SYSCALL msg=audit(1326304354.628:84296): arch=c000003e syscall=42 success=no exit=-111 a0=7 a1=7fffca1942f0 a2=6e a3=8 items=0 ppid=16075 pid=16076 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts1 ses=16 comm="mcelog" exe="/usr/sbin/mcelog" subj=system_u:system_r:mcelog_t:s0 key=(null)
type=AVC msg=audit(1326304354.628:84296): avc:  denied  { write } for  pid=16076 comm="mcelog" name="mcelog-client" dev=dm-0 ino=1704219 scontext=system_u:system_r:mcelog_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=sock_file
----
time->Wed Jan 11 12:52:34 2012
type=SYSCALL msg=audit(1326304354.629:84297): arch=c000003e syscall=87 success=yes exit=0 a0=411085 a1=7fffca1940b0 a2=0 a3=8 items=0 ppid=16075 pid=16076 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts1 ses=16 comm="mcelog" exe="/usr/sbin/mcelog" subj=system_u:system_r:mcelog_t:s0 key=(null)
type=AVC msg=audit(1326304354.629:84297): avc:  denied  { unlink } for  pid=16076 comm="mcelog" name="mcelog-client" dev=dm-0 ino=1704219 scontext=system_u:system_r:mcelog_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=sock_file
type=AVC msg=audit(1326304354.629:84297): avc:  denied  { remove_name } for  pid=16076 comm="mcelog" name="mcelog-client" dev=dm-0 ino=1704219 scontext=system_u:system_r:mcelog_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=dir
type=AVC msg=audit(1326304354.629:84297): avc:  denied  { write } for  pid=16076 comm="mcelog" name="run" dev=dm-0 ino=1704702 scontext=system_u:system_r:mcelog_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=dir
----
time->Wed Jan 11 12:52:34 2012
type=SYSCALL msg=audit(1326304354.629:84298): arch=c000003e syscall=49 success=yes exit=0 a0=7 a1=7fffca1942f0 a2=6e a3=8 items=0 ppid=16075 pid=16076 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts1 ses=16 comm="mcelog" exe="/usr/sbin/mcelog" subj=system_u:system_r:mcelog_t:s0 key=(null)
type=AVC msg=audit(1326304354.629:84298): avc:  denied  { create } for  pid=16076 comm="mcelog" name="mcelog-client" scontext=system_u:system_r:mcelog_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=sock_file
type=AVC msg=audit(1326304354.629:84298): avc:  denied  { add_name } for  pid=16076 comm="mcelog" name="mcelog-client" scontext=system_u:system_r:mcelog_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=dir
----
time->Wed Jan 11 12:52:34 2012
type=SYSCALL msg=audit(1326304354.629:84299): arch=c000003e syscall=2 success=yes exit=8 a0=615140 a1=241 a2=1b6 a3=0 items=0 ppid=1 pid=16077 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=16 comm="mcelog" exe="/usr/sbin/mcelog" subj=system_u:system_r:mcelog_t:s0 key=(null)
type=AVC msg=audit(1326304354.629:84299): avc:  denied  { write open } for  pid=16077 comm="mcelog" name="mcelog.pid" dev=dm-0 ino=1704225 scontext=system_u:system_r:mcelog_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=file
type=AVC msg=audit(1326304354.629:84299): avc:  denied  { create } for  pid=16077 comm="mcelog" name="mcelog.pid" scontext=system_u:system_r:mcelog_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=file
----
time->Wed Jan 11 12:52:34 2012
type=SYSCALL msg=audit(1326304354.630:84300): arch=c000003e syscall=5 success=yes exit=0 a0=8 a1=7fffca193ac0 a2=7fffca193ac0 a3=0 items=0 ppid=1 pid=16077 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=16 comm="mcelog" exe="/usr/sbin/mcelog" subj=system_u:system_r:mcelog_t:s0 key=(null)
type=AVC msg=audit(1326304354.630:84300): avc:  denied  { getattr } for  pid=16077 comm="mcelog" path="/var/run/mcelog.pid" dev=dm-0 ino=1704225 scontext=system_u:system_r:mcelog_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=file
----
time->Wed Jan 11 12:52:36 2012
type=SYSCALL msg=audit(1326304356.049:84305): arch=c000003e syscall=87 success=yes exit=0 a0=615140 a1=7fffca193f70 a2=7fffca193e40 a3=617520 items=0 ppid=1 pid=16077 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=16 comm="mcelog" exe="/usr/sbin/mcelog" subj=system_u:system_r:mcelog_t:s0 key=(null)
type=AVC msg=audit(1326304356.049:84305): avc:  denied  { unlink } for  pid=16077 comm="mcelog" name="mcelog.pid" dev=dm-0 ino=1704225 scontext=system_u:system_r:mcelog_t:s0 tcontext=system_u:object_r:var_run_t:s0 tclass=file
----
Comment 6 Miroslav Grepl 2012-01-12 08:23:55 UTC 
Milos,
could you add output of

# ls -lZ /var/run/mcelog*
Comment 7 Milos Malik 2012-01-12 09:25:10 UTC 
# ls -Z /var/run/mcelog*
srwxr-xr-x. root root unconfined_u:object_r:var_run_t:s0 /var/run/mcelog-client
-rw-r--r--. root root unconfined_u:object_r:var_run_t:s0 /var/run/mcelog.pid
#
Comment 8 Miroslav Grepl 2012-01-25 16:56:34 UTC 
Fixed in selinux-policy-3.7.19-135.el6
Comment 11 errata-xmlrpc 2012-06-20 12:30:17 UTC 
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.

http://rhn.redhat.com/errata/RHBA-2012-0780.html