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Bug 1344505

Summary: avc: denied { create } for pid=757 comm="NetworkManager" name="resolv.conf.WY7ZIY
Product: Red Hat Enterprise Linux 7 Reporter: PaulB <pbunyan>
Component: selinux-policyAssignee: Lukas Vrabec <lvrabec>
Status: CLOSED ERRATA QA Contact: Milos Malik <mmalik>
Severity: urgent Docs Contact:
Priority: urgent    
Version: 7.3CC: jbastian, jcm, jfeeney, lvrabec, mark.langsdorf, mgrepl, mmalik, mvadkert, pbunyan, plautrba, pvrabec, ssekidde
Target Milestone: betaKeywords: Regression, TestBlocker
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: selinux-policy-3.13.1-80.el7 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-11-04 02:31:43 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:
Bug Depends On:    
Bug Blocks: 1256920    

Description PaulB 2016-06-09 19:59:35 UTC 
Description of problem:
 Running automated testing with RHEL-7.3-20160602.n.0 (kernel-aarch64)
the following avc is reported at install and during testing:
  avc:  denied  { create } for  pid=757 comm="NetworkManager" name="resolv.conf.WY7ZIY

Version-Release number of selected component (if applicable):
distro: RHEL-7.3-20160602.n.0
kernel: 4.5.0-0.39.el7
selinux-policy: 3.13.1-75.el7.noarch

How reproducible:
 consistently

Steps to Reproduce:
1. Install aarch64 host with RHEL-7.3-20160602.n.0
2.


Actual results:
https://beaker.engineering.redhat.com/recipes/2780381
https://beaker.engineering.redhat.com/recipes/2780381#task41834341
http://beaker-archive.app.eng.bos.redhat.com/beaker-logs/2016/06/13634/1363473/2780381/41834341/206252995/avc.log
---<-snip->---
----
time->Wed Jun  8 15:30:11 2016
type=PROCTITLE msg=audit(1465414211.435:32): proctitle=2F7573722F7362696E2F4E6574776F726B4D616E61676572002D2D6E6F2D6461656D6F6E
type=SYSCALL msg=audit(1465414211.435:32): arch=c00000b7 syscall=56 success=no exit=-13 a0=ffffffffffffff9c a1=aaab0df4d8d0 a2=c2 a3=1b6 items=0 ppid=1 pid=757 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="NetworkManager" exe="/usr/sbin/NetworkManager" subj=system_u:system_r:NetworkManager_t:s0 key=(null)
type=AVC msg=audit(1465414211.435:32): avc:  denied  { create } for  pid=757 comm="NetworkManager" name="resolv.conf.WY7ZIY" scontext=system_u:system_r:NetworkManager_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=0
----
time->Wed Jun  8 15:30:11 2016
type=PROCTITLE msg=audit(1465414211.446:33): proctitle=2F7573722F7362696E2F4E6574776F726B4D616E61676572002D2D6E6F2D6461656D6F6E
type=SYSCALL msg=audit(1465414211.446:33): arch=c00000b7 syscall=56 success=no exit=-13 a0=ffffffffffffff9c a1=aaab0df5c3c0 a2=c2 a3=1b6 items=0 ppid=1 pid=757 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="NetworkManager" exe="/usr/sbin/NetworkManager" subj=system_u:system_r:NetworkManager_t:s0 key=(null)
type=AVC msg=audit(1465414211.446:33): avc:  denied  { create } for  pid=757 comm="NetworkManager" name="resolv.conf.4PWZIY" scontext=system_u:system_r:NetworkManager_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=0
---<-snip->---

Expected results:
 no avc errors

Additional info:
Comment 1 PaulB 2016-06-09 20:02:35 UTC 
All,
Here is another example:
cavium-thunderx-01.ml3.eng.bos.redhat.com
https://beaker.engineering.redhat.com/recipes/2780382
https://beaker.engineering.redhat.com/recipes/2780382#task41834367
http://beaker-archive.app.eng.bos.redhat.com/beaker-logs/2016/06/13634/1363473/2780382/41834367/206253768/avc.log
---<-snip->---
----
time->Wed Jun  8 15:39:26 2016
type=PROCTITLE msg=audit(1465414766.869:25): proctitle=2F7573722F7362696E2F4E6574776F726B4D616E61676572002D2D6E6F2D6461656D6F6E
type=SYSCALL msg=audit(1465414766.869:25): arch=c00000b7 syscall=56 success=no exit=-13 a0=ffffffffffffff9c a1=aaab11b86860 a2=c2 a3=1b6 items=0 ppid=1 pid=1116 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="NetworkManager" exe="/usr/sbin/NetworkManager" subj=system_u:system_r:NetworkManager_t:s0 key=(null)
type=AVC msg=audit(1465414766.869:25): avc:  denied  { create } for  pid=1116 comm="NetworkManager" name="resolv.conf.FYOMIY" scontext=system_u:system_r:NetworkManager_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=0
----
time->Wed Jun  8 15:39:26 2016
type=PROCTITLE msg=audit(1465414766.902:26): proctitle=2F7573722F7362696E2F4E6574776F726B4D616E61676572002D2D6E6F2D6461656D6F6E
type=SYSCALL msg=audit(1465414766.902:26): arch=c00000b7 syscall=56 success=no exit=-13 a0=ffffffffffffff9c a1=aaab11bfb940 a2=c2 a3=1b6 items=0 ppid=1 pid=1116 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="NetworkManager" exe="/usr/sbin/NetworkManager" subj=system_u:system_r:NetworkManager_t:s0 key=(null)
type=AVC msg=audit(1465414766.902:26): avc:  denied  { create } for  pid=1116 comm="NetworkManager" name="resolv.conf.N8DNIY" scontext=system_u:system_r:NetworkManager_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=0
---<-snip->---

Best,
-pbunyan
Comment 7 PaulB 2016-06-13 15:05:39 UTC 
Lukas,
There is no selinux-policy-3.13.1-79.el7 available at this time:
 http://download.eng.bos.redhat.com/brewroot/packages/selinux-policy/3.13.1/

selinux-policy-3.13.1-78.el7 is available.
Do you have the correct version is "Fixed in Version" ?

Best,
-pbunyan
Comment 8 PaulB 2016-06-14 18:03:28 UTC 
All,
This issue persists with selinux-policy-3.13.1-79.el7:
https://beaker.engineering.redhat.com/recipes/2793747
https://beaker.engineering.redhat.com/recipes/2793747#task42009289
http://lab-02.rhts.eng.rdu.redhat.com/beaker/logs/results/207131+/207131542/avc.log
---<-snip->---
selinux-policy-3.13.1-79.el7.noarch
----
time->Tue Jun 14 16:41:00 2016
type=PROCTITLE msg=audit(1465936860.736:29): proctitle=2F7573722F7362696E2F4E6574776F726B4D616E61676572002D2D6E6F2D6461656D6F6E
type=SYSCALL msg=audit(1465936860.736:29): arch=c00000b7 syscall=56 success=no exit=-13 a0=ffffffffffffff9c a1=2ab159eb770 a2=c2 a3=1b6 items=0 ppid=1 pid=705 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="NetworkManager" exe="/usr/sbin/NetworkManager" subj=system_u:system_r:NetworkManager_t:s0 key=(null)
type=AVC msg=audit(1465936860.736:29): avc:  denied  { create } for  pid=705 comm="NetworkManager" name="resolv.conf.0SHHJY" scontext=system_u:system_r:NetworkManager_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=0
----
time->Tue Jun 14 16:41:00 2016
type=PROCTITLE msg=audit(1465936860.772:30): proctitle=2F7573722F7362696E2F4E6574776F726B4D616E61676572002D2D6E6F2D6461656D6F6E
type=SYSCALL msg=audit(1465936860.772:30): arch=c00000b7 syscall=56 success=no exit=-13 a0=ffffffffffffff9c a1=2ab1598bf10 a2=c2 a3=1b6 items=0 ppid=1 pid=705 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="NetworkManager" exe="/usr/sbin/NetworkManager" subj=system_u:system_r:NetworkManager_t:s0 key=(null)
type=AVC msg=audit(1465936860.772:30): avc:  denied  { create } for  pid=705 comm="NetworkManager" name="resolv.conf.O75HJY" scontext=system_u:system_r:NetworkManager_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=0
---<-snip->---

Best,
-pbunyan
Comment 9 Lukas Vrabec 2016-06-14 21:42:31 UTC 
Yes, you are right, it will be fixed in -80.el7 selinux-policy package version.
Comment 12 PaulB 2016-06-16 16:52:33 UTC 
All,
Retesting with selinux-policy-3.13.1-80.el7, issue is resolved:
distro: RHEL-7.3-20160613.n.0 Server aarch64
selinux-policy: 3.13.1-80.el7
kernel: 4.5.0-0.40.el7 
 https://beaker.engineering.redhat.com/recipes/2800663 - no selinux issue

best,
-pbunyan
Comment 14 errata-xmlrpc 2016-11-04 02:31:43 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-2016-2283.html