selinux not allowing fuse to mount with todays f8 updates

Louis E Garcia II louisg00 at bellsouth.net
Fri Mar 14 00:40:25 UTC 2008


On Thu, 2008-03-13 at 19:58 -0400, Daniel J Walsh wrote:
> Louis E Garcia II wrote:
> > On Thu, 2008-03-13 at 16:30 -0400, Daniel J Walsh wrote:
> > > Louis E Garcia II wrote:
> > > > SELinux is preventing mount (mount_t) "mount" to / (unlabeled_t).
> > > > 
> > > > Detailed Description:
> > > > 
> > > > SELinux denied access requested by mount. It is not expected that this
> > > > access is
> > > > required by mount 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:
> > > > 
> > > > 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                system_u:system_r:mount_t:s0
> > > > Target Context                system_u:object_r:unlabeled_t:s0
> > > > Target Objects                / [ filesystem ]
> > > > Source                        mount
> > > > Source Path                   /bin/mount
> > > > Port                          <Unknown>
> > > > Host                          sonlaptop
> > > > Source RPM Packages           util-linux-ng-2.13.1-1.fc8
> > > > Target RPM Packages           filesystem-2.4.11-1.fc8
> > > > Policy RPM                    selinux-policy-3.0.8-87.fc8
> > > > Selinux Enabled               True
> > > > Policy Type                   targeted
> > > > MLS Enabled                   True
> > > > Enforcing Mode                Enforcing
> > > > Plugin Name                   catchall
> > > > Host Name                     sonlaptop
> > > > Platform                      Linux sonlaptop 2.6.24.3-34.fc8 #1 SMP Wed
> > > > Mar 12
> > > >                               18:17:20 EDT 2008 i686 i686
> > > > Alert Count                   2
> > > > First Seen                    Thu 13 Mar 2008 10:33:41 AM EDT
> > > > Last Seen                     Thu 13 Mar 2008 10:33:41 AM EDT
> > > > Local ID                      e4b0a819-9224-4c5c-949d-7e34dce371d2
> > > > Line Numbers                  
> > > > 
> > > > Raw Audit Messages            
> > > > 
> > > > host=sonlaptop type=AVC msg=audit(1205418821.88:27): avc:  denied
> > > > { mount } for  pid=3419 comm="mount" name="/" dev=fusectl ino=1
> > > > scontext=system_u:system_r:mount_t:s0
> > > > tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem
> > > > 
> > > > host=sonlaptop type=SYSCALL msg=audit(1205418821.88:27): arch=40000003
> > > > syscall=21 success=no exit=-13 a0=b8803458 a1=b8804c90 a2=b8803f60
> > > > a3=c0ed0001 items=0 ppid=3407 pid=3419 auid=500 uid=0 gid=0 euid=0
> > > > suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts1 comm="mount"
> > > > exe="/bin/mount" subj=system_u:system_r:mount_t:s0 key=(null)
> > > > 
> > > >
> > > >
> > > fusectl should be labeled in this release.  Not sure why you are
> > > seeing this.
> 
> > I have downgraded to fuse-2.7.0-8 just to test but this release also
> > does not start. I noticed that in this release:
> > -rwsr-xr-x  root fuse
> > system_u:object_r:fusermount_exec_t:s0 /bin/fusermount
> > 
> > as with the updated release fuse-2.7.3-2
> > -rwsr-xr-x  root root
> > system_u:object_r:fusermount_exec_t:s0 /bin/fusermount
> > 
> > I do not remember if the policy also was updated. I changed the group to
> > fuse with no effect.
> > 
> > I'm the only one seeing this?
> > 
> > -Louis
> > 
> Looks like the fix was added after selinux-policy-3.0.8-87.fc8
> 
> Please update to the latest policy in Fedora 8.

selinux-policy-3.0.8-87.fc8 is the current release as of
today. /updates/testing has selinux-policy-3.0.8-93.fc8 which
fixed the problem.

-Louis





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