libreport version: 2.0.10 executable: /usr/bin/python2.7 hashmarkername: setroubleshoot kernel: 3.4.9-2.fc16.x86_64 time: Thu 20 Sep 2012 11:10:02 AM CEST description: :SELinux is preventing /usr/sbin/postdrop from 'getattr' accesses on the unix_stream_socket unix_stream_socket. : :***** Plugin catchall (100. confidence) suggests *************************** : :If you believe that postdrop should be allowed getattr access on the unix_stream_socket unix_stream_socket by default. :Then you should report this as a bug. :You can generate a local policy module to allow this access. :Do :allow this access for now by executing: :# grep postdrop /var/log/audit/audit.log | audit2allow -M mypol :# semodule -i mypol.pp : :Additional Information: :Source Context system_u:system_r:postfix_postdrop_t:s0-s0:c0.c102 : 3 :Target Context system_u:system_r:init_t:s0 :Target Objects unix_stream_socket [ unix_stream_socket ] :Source postdrop :Source Path /usr/sbin/postdrop :Port <Unknown> :Host (removed) :Source RPM Packages postfix-2.8.12-1.fc16.x86_64 :Target RPM Packages :Policy RPM selinux-policy-3.10.0-91.fc16.noarch :Selinux Enabled True :Policy Type targeted :Enforcing Mode Permissive :Host Name (removed) :Platform Linux (removed) : 3.4.9-2.fc16.x86_64 #1 SMP Thu Aug 23 17:51:29 UTC : 2012 x86_64 x86_64 :Alert Count 2 :First Seen Wed 19 Sep 2012 09:20:09 PM CEST :Last Seen Wed 19 Sep 2012 09:30:09 PM CEST :Local ID 8ebdb61a-31a6-4220-aecd-c849287d0b67 : :Raw Audit Messages :type=AVC msg=audit(1348083009.139:40055): avc: denied { getattr } for pid=35883 comm="postdrop" path="socket:[18617]" dev="sockfs" ino=18617 scontext=system_u:system_r:postfix_postdrop_t:s0-s0:c0.c1023 tcontext=system_u:system_r:init_t:s0 tclass=unix_stream_socket : : :type=SYSCALL msg=audit(1348083009.139:40055): arch=x86_64 syscall=fstat success=yes exit=0 a0=2 a1=7fff8872d7b0 a2=7fff8872d7b0 a3=14 items=0 ppid=35881 pid=35883 auid=1000 uid=1000 gid=1000 euid=1000 suid=1000 fsuid=1000 egid=90 sgid=90 fsgid=90 tty=(none) ses=234 comm=postdrop exe=/usr/sbin/postdrop subj=system_u:system_r:postfix_postdrop_t:s0-s0:c0.c1023 key=(null) : :Hash: postdrop,postfix_postdrop_t,init_t,unix_stream_socket,getattr : :audit2allow : :#============= postfix_postdrop_t ============== :allow postfix_postdrop_t init_t:unix_stream_socket getattr; : :audit2allow -R : :#============= postfix_postdrop_t ============== :allow postfix_postdrop_t init_t:unix_stream_socket getattr; :
Any idea of what you were doing when this happened? Does everything work?
No, I am sorry. I was not before my screen when that happened. That must be internal handlings of postfix. I have cronjobs around 9PM, that process things and then send mails. Here are the extract of /var/log/mail at the time it occured: Sep 19 21:20:10 renoir postfix/pickup[26212]: 48875100116B: uid=1000 from=<lrineau> Sep 19 21:20:10 renoir postfix/cleanup[26778]: 48875100116B: message-id=<20120919192010.48875100116B.com> Sep 19 21:20:10 renoir postfix/qmgr[1351]: 48875100116B: from=<Laurent.Rineau__renoir>, size=789, nrcpt=1 (queue active) Sep 19 21:20:10 renoir postfix/cleanup[26778]: 8C55B1001519: message-id=<20120919192010.48875100116B.com> Sep 19 21:20:10 renoir postfix/local[26781]: 48875100116B: to=<lrineau.com>, orig_to=<lrineau>, relay=local, delay=0.67, delays=0.46/0.14/0/0.08, dsn=2.0.0, status=sent (forwarded as 8C55B1001519) Sep 19 21:20:10 renoir postfix/qmgr[1351]: 8C55B1001519: from=<Laurent.Rineau__renoir>, size=948, nrcpt=1 (queue active) Sep 19 21:20:10 renoir postfix/qmgr[1351]: 48875100116B: removed Sep 19 21:20:11 renoir postfix/smtp[26782]: 8C55B1001519: to=<Laurent.Rineau__renoir>, orig_to=<lrineau>, relay=smtp.orange.fr[193.252.22.64]:25, delay=0.88, delays=0.06/0.07/0.41/0.33, dsn=2.0.0, status=sent (250 2.0.0 17LA1k00h3tFp4N037LBoq mail accepted for delivery) Sep 19 21:20:11 renoir postfix/qmgr[1351]: 8C55B1001519: removed It looks good. Not even an error. What is more, postfix works on that machine without any AVC for months. I do not understand. ... Well, by accident I have been using the permissive mode of SELinux since yersterday. Maybe that explains why yesterday night it has been different. Strange that we do not see that AVC when the enforcing mode is enabled.
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