I have received this error report, about boomaga.
I can print to boomaga printer, but with a delay about 30 seconds per task. SELinux Troubleshooter reports an error.
SELinux is preventing boomagabackend from 'sys_ptrace' accesses on the cap_userns Unknown.
***** Plugin catchall (100. confidence) suggests **************************
If you believe that boomagabackend should be allowed sys_ptrace access on the Unknown cap_userns 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:
# ausearch -c 'boomagabackend' --raw | audit2allow -M my-boomagabackend
# semodule -X 300 -i my-boomagabackend.pp
Additional Information:
Source Context system_u:system_r:boomaga_cups_t:s0-s0:c0.c1023
Target Context system_u:system_r:boomaga_cups_t:s0-s0:c0.c1023
Target Objects Unknown [ cap_userns ]
Source boomagabackend
Source Path boomagabackend
Port <Unknown>
Host (removed)
Source RPM Packages
Target RPM Packages
Policy RPM selinux-policy-3.13.1-225.11.fc25.noarch
Selinux Enabled True
Policy Type targeted
Enforcing Mode Enforcing
Host Name (removed)
Platform Linux (removed) 4.9.14-200.fc25.x86_64 #1 SMP Mon
Mar 13 19:26:40 UTC 2017 x86_64 x86_64
Alert Count 3
First Seen 2017-03-25 00:29:09 MSK
Last Seen 2017-03-25 00:32:12 MSK
Local ID 531f80ea-deab-40c6-9bd0-c7375eef6639
Raw Audit Messages
type=AVC msg=audit(1490391132.808:798): avc: denied { sys_ptrace } for pid=12332 comm="boomagabackend" capability=19 scontext=system_u:system_r:boomaga_cups_t:s0-s0:c0.c1023 tcontext=system_u:system_r:boomaga_cups_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
Hash: boomagabackend,boomaga_cups_t,boomaga_cups_t,cap_userns,sys_ptrace
------------------------------------
Have someone a idea how can this be solved ?
The files of the package were stored for test purposes here: https://martinkg.fedorapeople.org/Review/test/boomaga/
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