Bug 1357524

Summary: avc messages seen during sssd startup
Product: Red Hat Enterprise Linux 7 Reporter: Niranjan Mallapadi Raghavender <mniranja>
Component: selinux-policyAssignee: Lukas Vrabec <lvrabec>
Status: CLOSED DUPLICATE QA Contact: Milos Malik <mmalik>
Severity: low Docs Contact:
Priority: unspecified    
Version: 7.3CC: lvrabec, mgrepl, mmalik, plautrba, pvrabec, ssekidde
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: selinux-policy-3.13.1-89.el7 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-07-18 12:41:08 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:

Description Niranjan Mallapadi Raghavender 2016-07-18 12:37:46 UTC
Description of problem:

following avc denial messages seen during sssd startup. 

Info: Searching AVC errors produced since 1468834445.01 (Mon Jul 18 05:34:05 2016)
Searching logs...
Running '/usr/bin/env LC_ALL=en_US.UTF-8 /sbin/ausearch -m AVC -m USER_AVC -m SELINUX_ERR -ts 07/18/2016 05:34:05 < /dev/null >/mnt/testarea/tmp.rhts-db-submit-result.Tv3TIm 2>&1'
----
time->Mon Jul 18 05:34:53 2016
type=SYSCALL msg=audit(1468834493.691:87): arch=c0000015 syscall=99 success=no exit=-13 a0=100353c8b60 a1=3ffff3847e20 a2=0 a3=1000000 items=0 ppid=1 pid=13783 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="sssd" exe="/usr/sbin/sssd" subj=system_u:system_r:sssd_t:s0 key=(null)
type=AVC msg=audit(1468834493.691:87): avc:  denied  { getattr } for  pid=13783 comm="sssd" name="/" dev="dm-0" ino=64 scontext=system_u:system_r:sssd_t:s0 tcontext=system_u:object_r:fs_t:s0 tclass=filesystem
----
time->Mon Jul 18 05:35:08 2016
type=SYSCALL msg=audit(1468834508.734:100): arch=c0000015 syscall=99 success=no exit=-13 a0=100316a8b60 a1=3fffcdce2d30 a2=0 a3=1000000 items=0 ppid=1 pid=14330 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="sssd" exe="/usr/sbin/sssd" subj=system_u:system_r:sssd_t:s0 key=(null)
type=AVC msg=audit(1468834508.734:100): avc:  denied  { getattr } for  pid=14330 comm="sssd" name="/" dev="dm-0" ino=64 scontext=system_u:system_r:sssd_t:s0 tcontext=system_u:object_r:fs_t:s0 tclass=filesystem
Fail: AVC messages found.
Checking for errors...
Using stronger AVC checks.
	Define empty RHTS_OPTION_STRONGER_AVC parameter if this causes any problems.
Running 'cat /mnt/testarea/tmp.rhts-db-submit-result.Tv3TIm | /sbin/ausearch -m AVC -m SELINUX_ERR'
Fail: AVC messages found.
Running 'cat %s | /sbin/ausearch -m USER_AVC >/mnt/testarea/tmp.rhts-db-submit-result.77dVlC 2>&1'
Info: No AVC messages found.
/bin/grep 'avc: ' /mnt/testarea/dmesg.log | /bin/grep --invert-match TESTOUT.log
No AVC messages found in dmesg
Running '/usr/sbin/sestatus'
SELinux status:                 enabled
SELinuxfs mount:                /sys/fs/selinux
SELinux root directory:         /etc/selinux
Loaded policy name:             targeted
Current mode:                   enforcing
Mode from config file:          enforcing
Policy MLS status:              enabled
Policy deny_unknown status:     allowed
Max kernel policy version:      28
Running 'rpm -q selinux-policy || true'


Version-Release number of selected component (if applicable):
selinux-policy-3.13.1-85.el7.noarch
sssd-1.14.0-6.el7.x86_64

How reproducible:
1. Configure sssd to join to AD using realm 
$ realm join sssdad2012r2.com -v -U Administrator
2. Start sssd services


Actual results:
AVC denial messages seen during sssd startup

time->Mon Jul 18 05:35:08 2016
type=SYSCALL msg=audit(1468834508.734:100): arch=c0000015 syscall=99 success=no exit=-13 a0=100316a8b60 a1=3fffcdce2d30 a2=0 a3=1000000 items=0 ppid=1 pid=14330 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="sssd" exe="/usr/sbin/sssd" subj=system_u:system_r:sssd_t:s0 key=(null)
type=AVC msg=audit(1468834508.734:100): avc:  denied  { getattr } for  pid=14330 comm="sssd" name="/" dev="dm-0" ino=64 scontext=system_u:system_r:sssd_t:s0 tcontext=system_u:object_r:fs_t:s0 tclass=filesystem

Expected results:

No AVC denial message should be seen.
Additional info:

Comment 1 Lukas Vrabec 2016-07-18 12:41:08 UTC

*** This bug has been marked as a duplicate of bug 1350535 ***