Re: selinux freaking out about cifs share

[max <maximilianbianco@gmail.com>]

Lucas Emery wrote:
> Someone on #selinux suggested I post this issue I'm having to the list, so here goes.
> 
> I've got pages and pages of the following error in /var/log/messages:
> 
> SELinux is preventing httpd (httpd_t) "0x100000" to 'somefile' (httpd_sys_content_t).
> 
> The files in question are on a remote cifs share.  SELinux context on all files is httpd_sys_content_t.
> 
> Output of sealert follows:
> 
> Summary:
> 
> SELinux is preventing httpd (httpd_t) "0x100000" to 'somefile'
> (httpd_sys_content_t).
> 
> Additional Information:
> 
> Source Context                root:system_r:httpd_t
> Target Context                system_u:object_r:httpd_sys_content_t
> Target Objects                'blah' [ file ]
> Source                        httpd
> Source Path                   /usr/sbin/httpd
> Port                          <Unknown>
> Host                          localhost
> Source RPM Packages           httpd-2.2.3-11.el5_1.centos.3
> Target RPM Packages
> Policy RPM                    selinux-policy-2.4.6-137.1.el5
> Selinux Enabled               True
> Policy Type                   targeted
> MLS Enabled                   True
> Enforcing Mode                Enforcing
> Plugin Name                   catchall_file
> Host Name                     localhost
> Platform                      Linux localhost 2.6.18-92.1.6.el5 #1 SMP Wed
> Jun 25
>                              13:49:24 EDT 2008 i686 i686
> Alert Count                   43
> First Seen                    Mon Aug  4 11:10:09 2008
> Last Seen                     Wed Aug  6 11:25:14 2008
> Local ID                      4f544c6a-2eb9-4025-8bcf-f4c4383f26d2
> Line Numbers
> 
> Raw Audit Messages
> 
> host=localhost type=AVC msg=audit(1218036314.997:95776): avc:  denied  {
> 0x100000 } for  pid=10564 comm="httpd" name="241" dev=cifs ino=7278187
> scontext=root:system_r:httpd_t:s0
> tcontext=system_u:object_r:httpd_sys_content_t:s0 tclass=file
> 
> host=localhost type=SYSCALL msg=audit(1218036314.997:95776): arch=40000003
> syscall=195 success=no exit=-13 a0=9bc1a10 a1=bfa580bc a2=333ff4 a3=8170
> items=0 ppid=10496 pid=10564 auid=0 uid=48 gid=48 euid=48 suid=48 fsuid=48
> egid=48 sgid=48 fsgid=48 tty=(none) ses=511 comm="httpd"
> exe="/usr/sbin/httpd" subj=root:system_r:httpd_t:s0 key=(null)
> 
> I'm running CIFS module version 1.50cRH
> 
> Red Hat thinks this is a kernel bug and I have filed a bug report with them.
> 
> I can temporarily fix the problem with a reboot, but that's  treating the symptom and not the cause, and this is a production box so random reboots are not really a workable solution.
> 
> Thanks,
> 
> Lucas
> 

Looks like the same problem your having, have you seen this?

http://www.nsa.gov/selinux/list-archive/0606/thread_body10.cfm#15927


-Max


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