Re: SELinux is preventing npviewer.bin (nsplugin_t) "read" to controlC0 (sound_device_t).

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Antonio Olivares wrote:
> Dear all,
> 
> I am getting to see the following errors that slow
> down my machine and take CPU to 100% 
> 
> Thanks,
> 
> Antonio 
> 
> Summary:
> 
> SELinux is preventing npviewer.bin (nsplugin_t) "read"
> to controlC0
> (sound_device_t).
> 
> Detailed Description:
> 
> SELinux denied access requested by npviewer.bin. It is
> not expected that this
> access is required by npviewer.bin and this access may
> signal an intrusion
> attempt. It is also possible that the specific version
> or configuration of the
> application is causing it to require additional
> access.
> 
> Allowing Access:
> 
> Sometimes labeling problems can cause SELinux denials.
> You could try to restore
> the default system file context for controlC0,
> 
> restorecon -v 'controlC0'
> 
> If this does not work, there is currently no automatic
> way to allow this access.
> Instead, you can generate a local policy module to
> allow this access - see FAQ
> (http://fedora.redhat.com/docs/selinux-faq-fc5/#id2961385)
> Or you can disable
> SELinux protection altogether. Disabling SELinux
> protection is not recommended.
> Please file a bug report
> (http://bugzilla.redhat.com/bugzilla/enter_bug.cgi)
> against this package.
> 
> Additional Information:
> 
> Source Context               
> unconfined_u:unconfined_r:nsplugin_t:SystemLow-
>                               SystemHigh
> Target Context               
> system_u:object_r:sound_device_t
> Target Objects                controlC0 [ chr_file ]
> Source                        npviewer.bin
> Source Path                  
> /usr/lib/nspluginwrapper/npviewer.bin
> Port                          <Unknown>
> Host                          localhost
> Source RPM Packages          
> nspluginwrapper-0.9.91.5-23.fc9
> Target RPM Packages           
> Policy RPM                   
> selinux-policy-3.3.1-9.fc9
> Selinux Enabled               True
> Policy Type                   targeted
> MLS Enabled                   True
> Enforcing Mode                Enforcing
> Plugin Name                   catchall_file
> Host Name                     localhost
> Platform                      Linux localhost
> 2.6.25-0.80.rc3.git2.fc9 #1 SMP
>                               Fri Feb 29 18:17:34 EST
> 2008 i686 athlon
> Alert Count                   2689
> First Seen                    Tue 26 Feb 2008 03:24:34
> PM CST
> Last Seen                     Mon 03 Mar 2008 03:54:56
> PM CST
> Local ID                     
> 469b1532-4ab3-4757-be58-2248cc0f9f05
> Line Numbers                  
> 
> Raw Audit Messages            
> 
> host=localhost type=AVC
> msg=audit(1204581296.416:2216): avc:  denied  { read }
> for  pid=1218 comm="npviewer.bin" name="controlC0"
> dev=tmpfs ino=5312
> scontext=unconfined_u:unconfined_r:nsplugin_t:s0-s0:c0.c1023
> tcontext=system_u:object_r:sound_device_t:s0
> tclass=chr_file
> 
> host=localhost type=SYSCALL
> msg=audit(1204581296.416:2216): arch=40000003
> syscall=5 success=no exit=-13 a0=bfe497f2 a1=0 a2=1e
> a3=bfe497f2 items=0 ppid=32748 pid=1218 auid=500
> uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500
> sgid=500 fsgid=500 tty=(none) ses=1
> comm="npviewer.bin"
> exe="/usr/lib/nspluginwrapper/npviewer.bin"
> subj=unconfined_u:unconfined_r:nsplugin_t:s0-s0:c0.c1023
> key=(null)
> 
> 
> 
> 

Just add the rule using audit2allow.  I will add tonight.
> 
>       ____________________________________________________________________________________
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