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Bug 769819

Summary: selinux-policy-targeted-3.7.19-126.el6_2.4.noarch breaks postfix
Product: Red Hat Enterprise Linux 6 Reporter: Jarno Huuskonen <jarno.huuskonen>
Component: selinux-policyAssignee: Miroslav Grepl <mgrepl>
Status: CLOSED ERRATA QA Contact: Milos Malik <mmalik>
Severity: high Docs Contact:
Priority: unspecified    
Version: 6.2CC: dwalsh, jskarvad, ksrot, mmalik, philipp
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: selinux-policy-3.7.19-135.el6 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-06-20 12:30:08 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Jarno Huuskonen 2011-12-22 11:40:50 UTC 
Description of problem:
After updating from selinux-policy-targeted-3.7.19-93.el6_1.7.noarch
to selinux-policy-targeted-3.7.19-126.el6_2.4.noarch
postfix mail delievery fails.

Version-Release number of selected component (if applicable):
selinux-policy-3.7.19-126.el6_2.4
selinux-policy-targeted-3.7.19-126.el6_2.4

How reproducible:
After downgrading to selinux-policy-targeted-3.7.19-93.el6_1.7 didn't
want to try second time.

Steps to Reproduce:
1. queue some mail in postfix queues
2. update selinux-policy and selinux-policy-targeted
3. try to resend the queued messages: postfix -i <QUEUEID>
  
Actual results:
selinux denied messages in audit logs:
type=AVC msg=audit(1324550512.761:2656736): avc:  denied  { getattr } for  pid=9241 comm="lmtp" path="/var/spool/postfix/active/3042626BE" dev=dm-3 ino=9918 scontext=unconfined_u:system_r:postfix_smtp_t:s0 tcontext=system_u:object_r:postfix_spool_maildrop_t:s0 tclass=file

type=AVC msg=audit(1324550512.763:2656737): avc:  denied  { read write } for  pid=9241 comm="lmtp" name="3042626BE" dev=dm-3 ino=9918 scontext=unconfined_u:system_r:postfix_smtp_t:s0 tcontext=system_u:object_r:postfix_spool_maildrop_t:s0 tclass=file

type=AVC msg=audit(1324550513.040:2656756): avc:  denied  { getattr } for  pid=9254 comm="smtp" path="/var/spool/postfix/active/625E4C37" dev=dm-3 ino=3127 scontext=unconfined_u:system_r:postfix_smtp_t:s0 tcontext=system_u:object_r:postfix_spool_maildrop_t:s0 tclass=file

type=AVC msg=audit(1324550513.779:2656758): avc:  denied  { read write } for  pid=9259 comm="error" name="3B9BD4144" dev=dm-3 ino=16708 scontext=unconfined_u:system_r:postfix_master_t:s0 tcontext=system_u:object_r:postfix_spool_maildrop_t:s0 tclass=file

type=AVC msg=audit(1324550513.789:2656759): avc:  denied  { read write } for  pid=9260 comm="error" name="334D8417E" dev=dm-3 ino=16766 scontext=unconfined_u:system_r:postfix_master_t:s0 tcontext=system_u:object_r:postfix_spool_maildrop_t:s0 tclass=file

type=AVC msg=audit(1324550513.801:2656760): avc:  denied  { read write } for  pid=9261 comm="error" name="316713231" dev=dm-3 ino=12849 scontext=unconfined_u:system_r:postfix_master_t:s0 tcontext=system_u:object_r:postfix_spool_maildrop_t:s0 tclass=file

Expected results:
Selinux-policy shouldn't break postfix mailflow.

Additional info:
Comment 2 Jarno Huuskonen 2011-12-22 13:44:53 UTC 
I think somethings wrong with /var/spool/postfix/{defer,deferred} contexts:

Fresh install of RH6.2(selinux-policy-3.7.19-126.el6_2.4.noarch)
drwx------. postfix root system_u:object_r:postfix_spool_maildrop_t:s0 defer/
drwx------. postfix root system_u:object_r:postfix_spool_maildrop_t:s0 deferred/

Working postfix RH6.1 (selinux-policy-3.7.19-93.el6_1.7.noarch)):
drwx------. postfix root system_u:object_r:postfix_spool_t:s0 defer/
drwx------. postfix root system_u:object_r:postfix_spool_t:s0 deferred/

And if I: grep postfix /etc/selinux/targeted/contexts/files/file_contexts
and diff the output from those two machines:
@@ -9,14 +9,17 @@
 /var/spool/postfix/lib(64)?(/.*)?       system_u:object_r:lib_t:s0
 /var/spool/postfix/lib(64)?/ld.*\.so.*  --      system_u:object_r:ld_so_t:s0
 /var/spool/postfix/pid/.*       system_u:object_r:postfix_var_run_t:s0
+/var/spool/postfix/defer(/.*)?  system_u:object_r:postfix_spool_maildrop_t:s0
 /var/spool/postfix/flush(/.*)?  system_u:object_r:postfix_spool_flush_t:s0
 /var/spool/postfix/public(/.*)? system_u:object_r:postfix_public_t:s0
 /var/spool/postfix/bounce(/.*)? system_u:object_r:postfix_spool_bounce_t:s0
 /var/spool/postfix/private(/.*)?        system_u:object_r:postfix_private_t:s0
 /etc/postfix/postfix-script.*   --      system_u:object_r:postfix_exec_t:s0
+/var/spool/postfix/deferred(/.*)?       system_u:object_r:postfix_spool_maildrop_t:s0
 /var/spool/postfix/maildrop(/.*)?       system_u:object_r:postfix_spool_maildrop_t:s0
 /var/spool/postfix/postgrey(/.*)?       system_u:object_r:postgrey_spool_t:s0
 /usr/share/munin/plugins/postfix_mail.* --      system_u:object_r:munin_mail_plugin_exec_t:s0
+/usr/sbin/postcat       --      system_u:object_r:postfix_master_exec_t:s0
 /usr/sbin/postfix       --      system_u:object_r:postfix_master_exec_t:s0
 /usr/sbin/postlog       --      system_u:object_r:postfix_master_exec_t:s0
 /usr/sbin/postmap       --      system_u:object_r:postfix_map_exec_t:s0
Comment 4 Miroslav Grepl 2011-12-22 14:58:48 UTC 
This label was introduced in RHEL6.2.

Jarno,
could you execute

# semanage permissive -a postfix_smtp_t
# semanage permissive -a postfix_master_t

which will make these domains as permissive and it won't break anything. And your system will be in enforcing mode.
Comment 5 Jarno Huuskonen 2011-12-29 08:59:57 UTC 
(In reply to comment #4)
> could you execute
> 
> # semanage permissive -a postfix_smtp_t
> # semanage permissive -a postfix_master_t

I can do that, but I relabeled defer/deferred back to postfix_spool_t and that
seems to work for now.

Also I tested this on a fresh 6.2 install:
1. disable outgoing port 25 connections with iptables
2. try to send email
3. postfix creates a file in /var/spool/postfix/deferred/0/04DD11ECE
   (-rwx------. postfix postfix system_u:object_r:postfix_spool_t:s0 04DD11ECE)
(the directory is system_u:object_r:postfix_spool_maildrop_t:s0).
4. if I reenable outgoing connections -> the message is sent out just fine.

BUT if something relabels the 04DD11ECE to postfix_spool_maildrop_t (selinux policy updates? or manual restorecon -R -v) then:

type=AVC msg=audit(1325149007.615:19577): avc:  denied  { getattr } for  pid=6734 comm="smtp" path="/var/spool/postfix/active/04DD11ECE" dev=dm-6 ino=7886 scontext=system_u:system_r:postfix_smtp_t:s0 tcontext=system_u:object_r:postfix_spool_maildrop_t:s0 tclass=file

type=AVC msg=audit(1325149007.616:19578): avc:  denied  { read write } for  pid=6734 comm="smtp" name="04DD11ECE" dev=dm-6 ino=7886 scontext=system_u:system_r:postfix_smtp_t:s0 tcontext=system_u:object_r:postfix_spool_maildrop_t:s0 tclass=file

type=AVC msg=audit(1325149008.630:19579): avc:  denied  { read write } for  pid=6735 comm="error" name="04DD11ECE" dev=dm-6 ino=7886 scontext=system_u:system_r:postfix_master_t:s0 tcontext=system_u:object_r:postfix_spool_maildrop_t:s0 tclass=file
Comment 6 Philip Prindeville 2012-01-12 02:28:41 UTC 
I'm also seeing similar problems:

----
time->Wed Jan 11 13:53:12 2012
type=SYSCALL msg=audit(1326318792.799:1335): arch=c000003e syscall=42 success=no exit=-13 a0=e a1=7fffac4d6ba0 a2=6e a3=fffffffffffffff0 items=0 ppid=1721 pid=7377 auid=4294967295 uid=89 gid=89 euid=89 suid=89 fsuid=89 egid=89 sgid=89 fsgid=89 tty=(none) ses=4294967295 comm="smtpd" exe="/usr/libexec/postfix/smtpd" subj=system_u:system_r:postfix_smtpd_t:s0 key=(null)
type=AVC msg=audit(1326318792.799:1335): avc:  denied  { search } for  pid=7377 comm="smtpd" name="MIMEDefang" dev=dm-0 ino=2232221 scontext=system_u:system_r:postfix_smtpd_t:s0 tcontext=system_u:object_r:spamd_var_run_t:s0 tclass=dir
----
time->Wed Jan 11 13:53:39 2012
type=SYSCALL msg=audit(1326318819.347:1336): arch=c000003e syscall=42 success=no exit=-13 a0=e a1=7fffac4d6ba0 a2=6e a3=fffffffffffffff0 items=0 ppid=1721 pid=7377 auid=4294967295 uid=89 gid=89 euid=89 suid=89 fsuid=89 egid=89 sgid=89 fsgid=89 tty=(none) ses=4294967295 comm="smtpd" exe="/usr/libexec/postfix/smtpd" subj=system_u:system_r:postfix_smtpd_t:s0 key=(null)
type=AVC msg=audit(1326318819.347:1336): avc:  denied  { search } for  pid=7377 comm="smtpd" name="MIMEDefang" dev=dm-0 ino=2232221 scontext=system_u:system_r:postfix_smtpd_t:s0 tcontext=system_u:object_r:spamd_var_run_t:s0 tclass=dir
----
time->Wed Jan 11 13:54:57 2012
type=SYSCALL msg=audit(1326318897.767:1337): arch=c000003e syscall=42 success=no exit=-13 a0=e a1=7fffac4d6ba0 a2=6e a3=fffffffffffffff0 items=0 ppid=1721 pid=7377 auid=4294967295 uid=89 gid=89 euid=89 suid=89 fsuid=89 egid=89 sgid=89 fsgid=89 tty=(none) ses=4294967295 comm="smtpd" exe="/usr/libexec/postfix/smtpd" subj=system_u:system_r:postfix_smtpd_t:s0 key=(null)
type=AVC msg=audit(1326318897.767:1337): avc:  denied  { search } for  pid=7377 comm="smtpd" name="MIMEDefang" dev=dm-0 ino=2232221 scontext=system_u:system_r:postfix_smtpd_t:s0 tcontext=system_u:object_r:spamd_var_run_t:s0 tclass=dir
----
time->Wed Jan 11 13:55:36 2012
type=SYSCALL msg=audit(1326318936.809:1338): arch=c000003e syscall=42 success=no exit=-13 a0=e a1=7fffac4d6ba0 a2=6e a3=fffffffffffffff0 items=0 ppid=1721 pid=7377 auid=4294967295 uid=89 gid=89 euid=89 suid=89 fsuid=89 egid=89 sgid=89 fsgid=89 tty=(none) ses=4294967295 comm="smtpd" exe="/usr/libexec/postfix/smtpd" subj=system_u:system_r:postfix_smtpd_t:s0 key=(null)
type=AVC msg=audit(1326318936.809:1338): avc:  denied  { search } for  pid=7377 comm="smtpd" name="MIMEDefang" dev=dm-0 ino=2232221 scontext=system_u:system_r:postfix_smtpd_t:s0 tcontext=system_u:object_r:spamd_var_run_t:s0 tclass=dir
----
time->Wed Jan 11 13:56:21 2012
type=SYSCALL msg=audit(1326318981.987:1339): arch=c000003e syscall=42 success=no exit=-13 a0=e a1=7fffac4d6ba0 a2=6e a3=fffffffffffffff0 items=0 ppid=1721 pid=7377 auid=4294967295 uid=89 gid=89 euid=89 suid=89 fsuid=89 egid=89 sgid=89 fsgid=89 tty=(none) ses=4294967295 comm="smtpd" exe="/usr/libexec/postfix/smtpd" subj=system_u:system_r:postfix_smtpd_t:s0 key=(null)
type=AVC msg=audit(1326318981.987:1339): avc:  denied  { search } for  pid=7377 comm="smtpd" name="MIMEDefang" dev=dm-0 ino=2232221 scontext=system_u:system_r:postfix_smtpd_t:s0 tcontext=system_u:object_r:spamd_var_run_t:s0 tclass=dir
----
time->Wed Jan 11 14:33:59 2012
type=SYSCALL msg=audit(1326321239.263:1381): arch=c000003e syscall=42 success=no exit=-13 a0=e a1=7fffb4a44120 a2=6e a3=fffffffffffffff0 items=0 ppid=7556 pid=7585 auid=502 uid=89 gid=89 euid=89 suid=89 fsuid=89 egid=89 sgid=89 fsgid=89 tty=(none) ses=47 comm="smtpd" exe="/usr/libexec/postfix/smtpd" subj=unconfined_u:system_r:postfix_smtpd_t:s0 key=(null)
type=AVC msg=audit(1326321239.263:1381): avc:  denied  { search } for  pid=7585 comm="smtpd" name="MIMEDefang" dev=dm-0 ino=2232221 scontext=unconfined_u:system_r:postfix_smtpd_t:s0 tcontext=system_u:object_r:spamd_var_run_t:s0 tclass=dir
----
time->Wed Jan 11 15:18:29 2012
type=SYSCALL msg=audit(1326323909.822:1432): arch=c000003e syscall=42 success=no exit=-13 a0=e a1=7fff8061d4e0 a2=6e a3=fffffffffffffff0 items=0 ppid=7556 pid=7674 auid=502 uid=89 gid=89 euid=89 suid=89 fsuid=89 egid=89 sgid=89 fsgid=89 tty=(none) ses=47 comm="smtpd" exe="/usr/libexec/postfix/smtpd" subj=unconfined_u:system_r:postfix_smtpd_t:s0 key=(null)
type=AVC msg=audit(1326323909.822:1432): avc:  denied  { search } for  pid=7674 comm="smtpd" name="MIMEDefang" dev=dm-0 ino=2232221 scontext=unconfined_u:system_r:postfix_smtpd_t:s0 tcontext=system_u:object_r:spamd_var_run_t:s0 tclass=dir
----
time->Wed Jan 11 15:19:29 2012
type=SYSCALL msg=audit(1326323969.708:1433): arch=c000003e syscall=42 success=no exit=-13 a0=e a1=7fff8061d4e0 a2=6e a3=fffffffffffffff0 items=0 ppid=7556 pid=7674 auid=502 uid=89 gid=89 euid=89 suid=89 fsuid=89 egid=89 sgid=89 fsgid=89 tty=(none) ses=47 comm="smtpd" exe="/usr/libexec/postfix/smtpd" subj=unconfined_u:system_r:postfix_smtpd_t:s0 key=(null)
type=AVC msg=audit(1326323969.708:1433): avc:  denied  { search } for  pid=7674 comm="smtpd" name="MIMEDefang" dev=dm-0 ino=2232221 scontext=unconfined_u:system_r:postfix_smtpd_t:s0 tcontext=system_u:object_r:spamd_var_run_t:s0 tclass=dir
----
time->Wed Jan 11 15:20:19 2012
type=SYSCALL msg=audit(1326324019.664:1453): arch=c000003e syscall=42 success=no exit=-13 a0=e a1=7fff8061d4e0 a2=6e a3=fffffffffffffff0 items=0 ppid=7556 pid=7674 auid=502 uid=89 gid=89 euid=89 suid=89 fsuid=89 egid=89 sgid=89 fsgid=89 tty=(none) ses=47 comm="smtpd" exe="/usr/libexec/postfix/smtpd" subj=unconfined_u:system_r:postfix_smtpd_t:s0 key=(null)
type=AVC msg=audit(1326324019.664:1453): avc:  denied  { search } for  pid=7674 comm="smtpd" name="MIMEDefang" dev=dm-0 ino=2232221 scontext=unconfined_u:system_r:postfix_smtpd_t:s0 tcontext=system_u:object_r:spamd_var_run_t:s0 tclass=dir
----
time->Wed Jan 11 15:20:31 2012
type=SYSCALL msg=audit(1326324031.372:1457): arch=c000003e syscall=42 success=no exit=-13 a0=e a1=7fff8061d4e0 a2=6e a3=fffffffffffffff0 items=0 ppid=7556 pid=7674 auid=502 uid=89 gid=89 euid=89 suid=89 fsuid=89 egid=89 sgid=89 fsgid=89 tty=(none) ses=47 comm="smtpd" exe="/usr/libexec/postfix/smtpd" subj=unconfined_u:system_r:postfix_smtpd_t:s0 key=(null)
type=AVC msg=audit(1326324031.372:1457): avc:  denied  { search } for  pid=7674 comm="smtpd" name="MIMEDefang" dev=dm-0 ino=2232221 scontext=unconfined_u:system_r:postfix_smtpd_t:s0 tcontext=system_u:object_r:spamd_var_run_t:s0 tclass=dir
----
time->Wed Jan 11 15:24:26 2012
type=SYSCALL msg=audit(1326324266.216:1458): arch=c000003e syscall=42 success=no exit=-13 a0=e a1=7fff20b90cd0 a2=6e a3=fffffffffffffff0 items=0 ppid=7556 pid=7733 auid=502 uid=89 gid=89 euid=89 suid=89 fsuid=89 egid=89 sgid=89 fsgid=89 tty=(none) ses=47 comm="smtpd" exe="/usr/libexec/postfix/smtpd" subj=unconfined_u:system_r:postfix_smtpd_t:s0 key=(null)
type=AVC msg=audit(1326324266.216:1458): avc:  denied  { search } for  pid=7733 comm="smtpd" name="MIMEDefang" dev=dm-0 ino=2232221 scontext=unconfined_u:system_r:postfix_smtpd_t:s0 tcontext=system_u:object_r:spamd_var_run_t:s0 tclass=dir
----
time->Wed Jan 11 15:28:34 2012
type=SYSCALL msg=audit(1326324514.148:1461): arch=c000003e syscall=42 success=yes exit=0 a0=5 a1=34d2ab0 a2=6e a3=7fff680bce80 items=0 ppid=7442 pid=7444 auid=502 uid=496 gid=494 euid=496 suid=496 fsuid=496 egid=494 sgid=494 fsgid=494 tty=(none) ses=47 comm="mimedefang.pl" exe="/usr/bin/perl" subj=unconfined_u:system_r:spamd_t:s0 key=(null)
type=AVC msg=audit(1326324514.148:1461): avc:  denied  { connectto } for  pid=7444 comm="mimedefang.pl" path="/var/run/clamav/clamd.sock" scontext=unconfined_u:system_r:spamd_t:s0 tcontext=system_u:system_r:clamd_t:s0 tclass=unix_stream_socket
type=AVC msg=audit(1326324514.148:1461): avc:  denied  { write } for  pid=7444 comm="mimedefang.pl" name="clamd.sock" dev=dm-0 ino=2232540 scontext=unconfined_u:system_r:spamd_t:s0 tcontext=system_u:object_r:clamd_var_run_t:s0 tclass=sock_file
type=AVC msg=audit(1326324514.148:1461): avc:  denied  { search } for  pid=7444 comm="mimedefang.pl" name="clamav" dev=dm-0 ino=2232121 scontext=unconfined_u:system_r:spamd_t:s0 tcontext=system_u:object_r:clamd_var_run_t:s0 tclass=dir
----
time->Wed Jan 11 15:28:33 2012
type=SYSCALL msg=audit(1326324513.582:1460): arch=c000003e syscall=42 success=yes exit=0 a0=e a1=7fffd5ce7b90 a2=6e a3=fffffffffffffff0 items=0 ppid=7556 pid=7767 auid=502 uid=89 gid=89 euid=89 suid=89 fsuid=89 egid=89 sgid=89 fsgid=89 tty=(none) ses=47 comm="smtpd" exe="/usr/libexec/postfix/smtpd" subj=unconfined_u:system_r:postfix_smtpd_t:s0 key=(null)
type=AVC msg=audit(1326324513.582:1460): avc:  denied  { connectto } for  pid=7767 comm="smtpd" path="/var/spool/MIMEDefang/mimedefang.sock" scontext=unconfined_u:system_r:postfix_smtpd_t:s0 tcontext=unconfined_u:system_r:spamd_t:s0 tclass=unix_stream_socket
type=AVC msg=audit(1326324513.582:1460): avc:  denied  { write } for  pid=7767 comm="smtpd" name="mimedefang.sock" dev=dm-0 ino=2233041 scontext=unconfined_u:system_r:postfix_smtpd_t:s0 tcontext=unconfined_u:object_r:spamd_var_run_t:s0 tclass=sock_file
type=AVC msg=audit(1326324513.582:1460): avc:  denied  { search } for  pid=7767 comm="smtpd" name="MIMEDefang" dev=dm-0 ino=2232221 scontext=unconfined_u:system_r:postfix_smtpd_t:s0 tcontext=system_u:object_r:spamd_var_run_t:s0 tclass=dir
----
time->Wed Jan 11 15:29:43 2012
type=SYSCALL msg=audit(1326324583.403:1462): arch=c000003e syscall=42 success=yes exit=0 a0=6 a1=34d2ab0 a2=6e a3=3f1a0d8 items=0 ppid=7442 pid=7444 auid=502 uid=496 gid=494 euid=496 suid=496 fsuid=496 egid=494 sgid=494 fsgid=494 tty=(none) ses=47 comm="mimedefang.pl" exe="/usr/bin/perl" subj=unconfined_u:system_r:spamd_t:s0 key=(null)
type=AVC msg=audit(1326324583.403:1462): avc:  denied  { connectto } for  pid=7444 comm="mimedefang.pl" path="/var/run/clamav/clamd.sock" scontext=unconfined_u:system_r:spamd_t:s0 tcontext=system_u:system_r:clamd_t:s0 tclass=unix_stream_socket
----
time->Wed Jan 11 15:34:01 2012
type=SYSCALL msg=audit(1326324841.053:1472): arch=c000003e syscall=42 success=yes exit=0 a0=6 a1=34d2ab0 a2=6e a3=3f1a0e0 items=0 ppid=7442 pid=7444 auid=502 uid=496 gid=494 euid=496 suid=496 fsuid=496 egid=494 sgid=494 fsgid=494 tty=(none) ses=47 comm="mimedefang.pl" exe="/usr/bin/perl" subj=unconfined_u:system_r:spamd_t:s0 key=(null)
type=AVC msg=audit(1326324841.053:1472): avc:  denied  { write } for  pid=7444 comm="mimedefang.pl" name="clamd.sock" dev=dm-0 ino=2232540 scontext=unconfined_u:system_r:spamd_t:s0 tcontext=system_u:object_r:clamd_var_run_t:s0 tclass=sock_file
----
time->Wed Jan 11 15:37:58 2012
type=SYSCALL msg=audit(1326325078.976:1491): arch=c000003e syscall=42 success=yes exit=0 a0=6 a1=34d2ab0 a2=6e a3=3f1a0d8 items=0 ppid=7442 pid=7444 auid=502 uid=496 gid=494 euid=496 suid=496 fsuid=496 egid=494 sgid=494 fsgid=494 tty=(none) ses=47 comm="mimedefang.pl" exe="/usr/bin/perl" subj=unconfined_u:system_r:spamd_t:s0 key=(null)
type=AVC msg=audit(1326325078.976:1491): avc:  denied  { search } for  pid=7444 comm="mimedefang.pl" name="clamav" dev=dm-0 ino=2232121 scontext=unconfined_u:system_r:spamd_t:s0 tcontext=system_u:object_r:clamd_var_run_t:s0 tclass=dir
----
time->Wed Jan 11 15:37:58 2012
type=SYSCALL msg=audit(1326325078.802:1490): arch=c000003e syscall=42 success=yes exit=0 a0=d a1=7ffff86225d0 a2=6e a3=7ffff86222f0 items=0 ppid=7556 pid=8093 auid=502 uid=89 gid=89 euid=89 suid=89 fsuid=89 egid=89 sgid=89 fsgid=89 tty=(none) ses=47 comm="smtpd" exe="/usr/libexec/postfix/smtpd" subj=unconfined_u:system_r:postfix_smtpd_t:s0 key=(null)
type=AVC msg=audit(1326325078.802:1490): avc:  denied  { connectto } for  pid=8093 comm="smtpd" path="/var/spool/MIMEDefang/mimedefang.sock" scontext=unconfined_u:system_r:postfix_smtpd_t:s0 tcontext=unconfined_u:system_r:spamd_t:s0 tclass=unix_stream_socket
type=AVC msg=audit(1326325078.802:1490): avc:  denied  { write } for  pid=8093 comm="smtpd" name="mimedefang.sock" dev=dm-0 ino=2233041 scontext=unconfined_u:system_r:postfix_smtpd_t:s0 tcontext=unconfined_u:object_r:spamd_var_run_t:s0 tclass=sock_file


which audit2allow tells me should be:


module spamd 1.0;

require {
	type clamd_var_run_t;
	type clamd_t;
	type spamd_t;
	type postfix_smtpd_t;
	type spamd_var_run_t;
	class sock_file write;
	class unix_stream_socket connectto;
	class dir search;
}

#============= postfix_smtpd_t ==============
allow postfix_smtpd_t spamd_t:unix_stream_socket connectto;
allow postfix_smtpd_t spamd_var_run_t:dir search;
allow postfix_smtpd_t spamd_var_run_t:sock_file write;

#============= spamd_t ==============
allow spamd_t clamd_t:unix_stream_socket connectto;
allow spamd_t clamd_var_run_t:dir search;
allow spamd_t clamd_var_run_t:sock_file write;
Comment 7 Miroslav Grepl 2012-01-25 16:58:12 UTC 
Fixed in selinux-policy-3.7.19-135.el6
Comment 11 Philip Prindeville 2012-01-27 17:45:57 UTC 
(In reply to comment #7)
> Fixed in selinux-policy-3.7.19-135.el6

Where's the koji build?
Comment 12 Daniel Walsh 2012-01-27 21:52:52 UTC 
We don't build RHEL in koji.

http://people.redhat.com/dwalsh/SELinux/RHEL6

Will contain the latest packages for SELinux on RHEL.
Comment 15 errata-xmlrpc 2012-06-20 12:30:08 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2012-0780.html