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Bug 1208458 - SELinux denial on sanlock prevents hosted-engine to deploy on iSCSI on rhel 7.1 and centos 7.1
Summary: SELinux denial on sanlock prevents hosted-engine to deploy on iSCSI on rhel 7...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: selinux-policy
Version: 7.1
Hardware: x86_64
OS: Linux
urgent
high
Target Milestone: pre-dev-freeze
: ---
Assignee: Lukas Vrabec
QA Contact: Milos Malik
URL:
Whiteboard:
: 1213878 (view as bug list)
Depends On:
Blocks: 1024686 1035038 1036731 1150073 1150087 oVirt_Hosted_Engine_GlusterFS 1178535 1213878 1227466
TreeView+ depends on / blocked
 
Reported: 2015-04-02 10:33 UTC by Simone Tiraboschi
Modified: 2019-04-28 13:18 UTC (History)
17 users (show)

Fixed In Version: selinux-policy-3.13.1-25.el7
Doc Type: Bug Fix
Doc Text:
Clone Of:
: 1227466 (view as bug list)
Environment:
Last Closed: 2015-11-19 10:30:12 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
logs (219.76 KB, application/x-gzip)
2015-04-02 10:34 UTC, Simone Tiraboschi 		no flags Details
log rhel 71 (126.10 KB, application/x-gzip)
2015-04-02 12:22 UTC, Simone Tiraboschi 		no flags Details
View All


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2015:2300 0 normal SHIPPED_LIVE selinux-policy bug fix update 2015-11-19 09:55:26 UTC

Description Simone Tiraboschi 2015-04-02 10:33:24 UTC 
Description of problem:
SELinux denial on sanlock prevents hosted-engine to deploy on centos 7.1

hosted-engine setup fails with:
[ INFO  ] Verifying sanlock lockspace initialization
[ ERROR ] Failed to execute stage 'Misc configuration': (19, 'Sanlock lockspace write failure', 'No such device')
[ INFO  ] Stage: Clean up
[ INFO  ] Generating answer file '/var/lib/ovirt-hosted-engine-setup/answers/answers-20150402121956.conf'
[ INFO  ] Stage: Pre-termination
[ INFO  ] Stage: Termination

And I found:
[root@c7t1 ~]# ausearch -m avc
----
time->Thu Apr  2 12:19:51 2015
type=SYSCALL msg=audit(1427969991.216:1177): arch=c000003e syscall=2 success=no exit=-13 a0=7f48942c2410 a1=105002 a2=0 a3=1 items=0 ppid=1 pid=792 auid=4294967295 uid=179 gid=179 euid=179 suid=179 fsuid=179 egid=179 sgid=179 fsgid=179 tty=(none) ses=4294967295 comm="sanlock" exe="/usr/sbin/sanlock" subj=system_u:system_r:sanlock_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(1427969991.216:1177): avc:  denied  { read } for  pid=792 comm="sanlock" name="37cb6430-1a68-40b4-857b-25bfcca6cec5" dev="tmpfs" ino=46631 scontext=system_u:system_r:sanlock_t:s0-s0:c0.c1023 tcontext=system_u:object_r:virt_var_run_t:s0 tclass=lnk_file


Version-Release number of selected component (if applicable):
CentOS Linux release 7.1.1503 (Core)
libvirt-lock-sanlock.x86_64       1.2.8-16.el7_1.2                     @updates 
sanlock.x86_64                    3.2.2-2.el7                          @base 
selinux-policy.noarch             3.13.1-23.el7                        @anaconda
selinux-policy-targeted.noarch    3.13.1-23.el7                        @anaconda


How reproducible:
100%

Steps to Reproduce:
1. deploy hosted-engine over iSCSI
2.
3.

Actual results:
it fails with:
[ ERROR ] Failed to execute stage 'Misc configuration': (19, 'Sanlock lockspace write failure', 'No such device')
cause I got an SELinux denial on sanlock
type=AVC msg=audit(1427969991.216:1177): avc:  denied  { read } for  pid=792 comm="sanlock" name="37cb6430-1a68-40b4-857b-25bfcca6cec5" dev="tmpfs" ino=46631 scontext=system_u:system_r:sanlock_t:s0-s0:c0.c1023 tcontext=system_u:object_r:virt_var_run_t:s0 tclass=lnk_file

Expected results:
it works

Additional info:
Comment 1 Simone Tiraboschi 2015-04-02 10:34:35 UTC 
Created attachment 1010099 [details]
logs
Comment 2 Simone Tiraboschi 2015-04-02 12:13:36 UTC 
It happens also on RHEL 7.1 with 
selinux-policy.noarch                 3.13.1-23.el7             @anaconda/7.1   
selinux-policy-targeted.noarch        3.13.1-23.el7             @anaconda/7.1 

[root@rhel71t1 ~]# ausearch -m avc
----
time->Thu Apr  2 14:08:53 2015
type=SYSCALL msg=audit(1427976533.526:1222): arch=c000003e syscall=2 success=no exit=-13 a0=7effb2a71410 a1=105002 a2=0 a3=1 items=0 ppid=1 pid=13309 auid=4294967295 uid=179 gid=179 euid=179 suid=179 fsuid=179 egid=179 sgid=179 fsgid=179 tty=(none) ses=4294967295 comm="sanlock" exe="/usr/sbin/sanlock" subj=system_u:system_r:sanlock_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(1427976533.526:1222): avc:  denied  { read } for  pid=13309 comm="sanlock" name="b8cd0cbb-5954-4cff-96c6-7229933d8ca4" dev="tmpfs" ino=61643 scontext=system_u:system_r:sanlock_t:s0-s0:c0.c1023 tcontext=system_u:object_r:virt_var_run_t:s0 tclass=lnk_file
Comment 3 Simone Tiraboschi 2015-04-02 12:22:08 UTC 
Created attachment 1010133 [details]
log rhel 71
Comment 5 Milos Malik 2015-04-02 13:29:13 UTC 
# sesearch -s sanlock_t -t virt_var_run_t -A -C
Found 2 semantic av rules:
   allow sanlock_t virt_var_run_t : file { ioctl read getattr lock open } ; 
   allow sanlock_t virt_var_run_t : dir { getattr search open } ; 

#

Current selinux-policy does not contain an allow rule for symbolic link.
Comment 6 Allon Mureinik 2015-04-26 12:11:35 UTC 
Simone, IIUC, this is a regression, isn't it?
Comment 7 Artyom 2015-04-26 14:23:37 UTC 
*** Bug 1213878 has been marked as a duplicate of this bug. ***
Comment 8 Simone Tiraboschi 2015-04-27 13:31:45 UTC 
(In reply to Allon Mureinik from comment #6)
> Simone, IIUC, this is a regression, isn't it?

Yes, it is.
Not sure on which product.
Comment 15 errata-xmlrpc 2015-11-19 10:30:12 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.

https://rhn.redhat.com/errata/RHBA-2015-2300.html
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