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
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