Bug 1028782 - Adobe Flash Player run slow whith selinux enabled
Adobe Flash Player run slow whith selinux enabled
Product: Fedora
Classification: Fedora
Component: policycoreutils (Show other bugs)
x86_64 Linux
unspecified Severity high
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Assigned To: Daniel Walsh
Fedora Extras Quality Assurance
Depends On:
  Show dependency treegraph
Reported: 2013-11-10 13:13 EST by Marian
Modified: 2013-11-13 02:28 EST (History)
3 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2013-11-13 02:28:29 EST
Type: Bug
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Marian 2013-11-10 13:13:00 EST
Description of problem:
On selinux enabled  Adobe Flash Player run  stalled

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

How reproducible:

Steps to Reproduce:
1.run on terminal /usr/bin/system-config-selinux select on Status->System Default Enforcing Mode -> Disabled and Relabel on next reboot select
2.Modify from /boot/grub2/grub.cfg linux ......bla bla root= .. from "ro" to rw
4.Adobe Flash Player run normal
5 Enable again selinux  -> Adobe Flash Player run stalled 

Actual results:

Expected results:

Additional info:
Comment 1 Miroslav Grepl 2013-11-11 06:22:53 EST
What AVC msgs are you getting?
Comment 2 Marian 2013-11-11 12:12:37 EST
A the moment relabeling system for few times whith changing mount root a "ro" to "rw" args from grub.cfg and all is ok.
Only this message below appear but is not  important:

SELinux is preventing /usr/bin/perl from using the execmem access on a process.

*****  Plugin catchall (100. confidence) suggests  ***************************

If you believe that perl should be allowed execmem access on processes labeled munin_t by default.
Then you should report this as a bug.
You can generate a local policy module to allow this access.
allow this access for now by executing:
# grep munin-update /var/log/audit/audit.log | audit2allow -M mypol
# semodule -i mypol.pp

Additional Information:
Source Context                system_u:system_r:munin_t:s0-s0:c0.c1023
Target Context                system_u:system_r:munin_t:s0-s0:c0.c1023
Target Objects                 [ process ]
Source                        munin-update
Source Path                   /usr/bin/perl
Port                          <Unknown>
Host                          192-168-0-114.rdsnet.ro
Source RPM Packages           perl-5.16.3-265.fc19.x86_64
Target RPM Packages           
Policy RPM                    selinux-policy-3.12.1-74.10.fc19.noarch selinux-
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Host Name                     192-168-0-114.rdsnet.ro
Platform                      Linux 192-168-0-114.rdsnet.ro
                              3.11.6-200.fc19.x86_64 #1 SMP Fri Oct 18 22:34:18
                              UTC 2013 x86_64 x86_64
Alert Count                   11
First Seen                    2013-11-11 18:05:02 EET
Last Seen                     2013-11-11 19:10:02 EET
Local ID                      23157f1d-a030-482b-8379-13ec4bf0d92f

Raw Audit Messages
type=AVC msg=audit(1384189802.371:668): avc:  denied  { execmem } for  pid=3845 comm="munin-update" scontext=system_u:system_r:munin_t:s0-s0:c0.c1023 tcontext=system_u:system_r:munin_t:s0-s0:c0.c1023 tclass=process

type=SYSCALL msg=audit(1384189802.371:668): arch=x86_64 syscall=mmap success=no exit=EACCES a0=3d252ca000 a1=3d000 a2=7 a3=812 items=0 ppid=3843 pid=3845 auid=988 uid=988 gid=984 euid=988 suid=988 fsuid=988 egid=984 sgid=984 fsgid=984 ses=16 tty=(none) comm=munin-update exe=/usr/bin/perl subj=system_u:system_r:munin_t:s0-s0:c0.c1023 key=(null)

Hash: munin-update,munin_t,munin_t,process,execmem
Comment 3 Marian 2013-11-11 12:14:13 EST
Is't normal to change rw instead ro args on grub.
Comment 4 Daniel Walsh 2013-11-11 15:52:27 EST
So you labeling is ok and not adobe is running correctly?

You should be able to change your args for / to ro in grub and SELinux should work fine.

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