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libreport version: 2.0.8 executable: /usr/bin/python hashmarkername: setroubleshoot kernel: 3.3.1-3.fc16.i686.PAE reason: SELinux is preventing /usr/lib/cups/backend/ekplp from 'write' accesses on the fifo_file ekplp0. time: Thu 12 Apr 2012 17:25:26 CDT description: :SELinux is preventing /usr/lib/cups/backend/ekplp from 'write' accesses on the fifo_file ekplp0. : :***** Plugin catchall (100. confidence) suggests *************************** : :If you believe that ekplp should be allowed write access on the ekplp0 fifo_file 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 ekplp /var/log/audit/audit.log | audit2allow -M mypol :# semodule -i mypol.pp : :Additional Information: :Source Context system_u:system_r:cupsd_t:s0-s0:c0.c1023 :Target Context system_u:object_r:var_t:s0 :Target Objects ekplp0 [ fifo_file ] :Source ekplp :Source Path /usr/lib/cups/backend/ekplp :Port <Unknown> :Host (removed) :Source RPM Packages pips-cups-3.7.0-2.i386 :Target RPM Packages :Policy RPM selinux-policy-3.10.0-80.fc16.noarch :Selinux Enabled True :Policy Type targeted :Enforcing Mode Enforcing :Host Name (removed) :Platform Linux (removed) 3.3.1-3.fc16.i686.PAE #1 SMP Wed Apr : 4 18:46:24 UTC 2012 i686 i686 :Alert Count 1 :First Seen Thu 12 Apr 2012 17:24:48 CDT :Last Seen Thu 12 Apr 2012 17:24:48 CDT :Local ID fcbb2e2b-2dd8-425e-ba6f-0d905a405bf9 : :Raw Audit Messages :type=AVC msg=audit(1334269488.836:180): avc: denied { write } for pid=13461 comm="ekplp" name="ekplp0" dev="sde6" ino=1839310 scontext=system_u:system_r:cupsd_t:s0-s0:c0.c1023 tcontext=system_u:object_r:var_t:s0 tclass=fifo_file : : :type=SYSCALL msg=audit(1334269488.836:180): arch=i386 syscall=access success=no exit=EACCES a0=bfbfaf41 a1=2 a2=0 a3=bfbfaf41 items=0 ppid=13458 pid=13461 auid=4294967295 uid=4 gid=7 euid=4 suid=4 fsuid=4 egid=7 sgid=7 fsgid=7 tty=(none) ses=4294967295 comm=ekplp exe=/usr/lib/cups/backend/ekplp subj=system_u:system_r:cupsd_t:s0-s0:c0.c1023 key=(null) : :Hash: ekplp,cupsd_t,var_t,fifo_file,write : :audit2allow : :#============= cupsd_t ============== :allow cupsd_t var_t:fifo_file write; : :audit2allow -R : :#============= cupsd_t ============== :allow cupsd_t var_t:fifo_file write; :
/usr/lib/cups/backend/ekplp is mislabeled. But where did "ekpl" come from?
3rd party CUPS backends need to provide their own SELinux policy if they need to do extra things that the existing backends do not.
Also what directory is ekplp0 in under /var?
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