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libreport version: 2.0.6 executable: /usr/bin/python hashmarkername: setroubleshoot kernel: 3.1.0-0.rc8.git0.1.fc16.x86_64 reason: SELinux is preventing /usr/lib64/xulrunner-2/plugin-container from using the 'sys_nice' capabilities. time: Fri Oct 7 17:16:28 2011 description: :SELinux is preventing /usr/lib64/xulrunner-2/plugin-container from using the 'sys_nice' capabilities. : :***** Plugin catchall (100. confidence) suggests *************************** : :If you believe that plugin-container should have the sys_nice capability 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 plugin-containe /var/log/audit/audit.log | audit2allow -M mypol :# semodule -i mypol.pp : :Additional Information: :Source Context unconfined_u:unconfined_r:mozilla_plugin_t:s0-s0:c : 0.c1023 :Target Context unconfined_u:unconfined_r:mozilla_plugin_t:s0-s0:c : 0.c1023 :Target Objects Unknown [ capability ] :Source plugin-containe :Source Path /usr/lib64/xulrunner-2/plugin-container :Port <Unknown> :Host (removed) :Source RPM Packages xulrunner-7.0.1-1.fc16 :Target RPM Packages :Policy RPM selinux-policy-3.10.0-36.fc16 :Selinux Enabled True :Policy Type targeted :Enforcing Mode Enforcing :Host Name (removed) :Platform Linux (removed) : 3.1.0-0.rc8.git0.1.fc16.x86_64 #1 SMP Tue Oct 4 : 03:16:40 UTC 2011 x86_64 x86_64 :Alert Count 1 :First Seen Fri 07 Oct 2011 10:56:17 AM BRT :Last Seen Fri 07 Oct 2011 10:56:17 AM BRT :Local ID 12e2bca4-d0a7-44ed-a451-4245460f1773 : :Raw Audit Messages :type=AVC msg=audit(1317995777.790:604): avc: denied { sys_nice } for pid=10976 comm="plugin-containe" capability=23 scontext=unconfined_u:unconfined_r:mozilla_plugin_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:mozilla_plugin_t:s0-s0:c0.c1023 tclass=capability : : :type=SYSCALL msg=audit(1317995777.790:604): arch=x86_64 syscall=sched_setscheduler success=yes exit=0 a0=2ae0 a1=0 a2=7fff443ec370 a3=7fff443ec0d0 items=0 ppid=10878 pid=10976 auid=1000 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=1 comm=plugin-containe exe=/usr/lib64/xulrunner-2/plugin-container subj=unconfined_u:unconfined_r:mozilla_plugin_t:s0-s0:c0.c1023 key=(null) : :Hash: plugin-containe,mozilla_plugin_t,mozilla_plugin_t,capability,sys_nice : :audit2allow : :#============= mozilla_plugin_t ============== :allow mozilla_plugin_t self:capability sys_nice; : :audit2allow -R : :#============= mozilla_plugin_t ============== :allow mozilla_plugin_t self:capability sys_nice; :
Daniel, do you know what you were doing when this happened (and also AVC msgs which you reported)?
/* Allow raising priority and setting priority on other (different UID) processes */ /* Allow use of FIFO and round-robin (realtime) scheduling on own processes and setting the scheduling algorithm used by another process. */ /* Allow setting cpu affinity on other processes */ Must be a plugin trying to do one of these ^^
It is the first one. The call was: sched_setscheduler(10976, 0, 7fff443ec370) 10976 was this process pid. 0 == SCHED_NORMAL We don't know what the sched_param structure at that address had for the sched_priority. This process must have attempted to up its priority. This does not seem like something we want to allow.
Dontaudited in the current release.