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+++ This bug was initially created as a clone of Bug #1246184 +++ Description of problem: When trying to print, the print job is not sent to the printer. SELinux is blocking it. The driver used is from the Brother website and has worked well for the last few years. Problems seemed to have started in Fedora 22 and were temporarily fixed, but now back in fully updated Fedora 23. SELinux is preventing brprintconflsr3 from using the execmem access on a process. ***** Plugin catchall_boolean (89.3 confidence) suggests ****************** If you want to allow cups to execmem Then you must tell SELinux about this by enabling the 'cups_execmem' boolean. You can read 'None' man page for more details. Do setsebool -P cups_execmem 1 ***** Plugin catchall (11.6 confidence) suggests ************************** If you believe that brprintconflsr3 should be allowed execmem access on processes labeled cupsd_t 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 brprintconflsr3 /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:system_r:cupsd_t:s0-s0:c0.c1023 Target Objects Unknown [ process ] Source brprintconflsr3 Source Path brprintconflsr3 Port <Unknown> Host (removed) Source RPM Packages Target RPM Packages Policy RPM selinux-policy-3.13.1-158.fc23.noarch Selinux Enabled True Policy Type targeted Enforcing Mode Enforcing Host Name (removed) Platform Linux (removed) 4.2.8-300.fc23.x86_64 #1 SMP Tue Dec 15 16:49:06 UTC 2015 x86_64 x86_64 Alert Count 10 First Seen 2015-12-29 01:04:30 EST Last Seen 2015-12-29 01:04:30 EST Local ID bb9692a3-b119-4cb5-9181-76d8be4b20df Raw Audit Messages type=AVC msg=audit(1451369070.392:860): avc: denied { execmem } for pid=4917 comm="rawtobr3" scontext=system_u:system_r:cupsd_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cupsd_t:s0-s0:c0.c1023 tclass=process permissive=0 Hash: brprintconflsr3,cupsd_t,cupsd_t,process,execmem
Description of problem: I attempted to print from Chrome. Nothing printed, despite normal behavior of Chrome and the list of print jobs window. An SELinux alert appeared. Following the instructions for generating a local policy to allow this access resolved the issue. Additional info: reporter: libreport-2.6.3 hashmarkername: setroubleshoot kernel: 4.2.8-300.fc23.x86_64 type: libreport
***** Plugin catchall_boolean (89.3 confidence) suggests ****************** If you want to allow cups to execmem Then you must tell SELinux about this by enabling the 'cups_execmem' boolean. You can read 'None' man page for more details. Do setsebool -P cups_execmem 1