libreport version: 2.0.8 executable: /usr/bin/python hashmarkername: setroubleshoot kernel: 3.2.9-1.fc16.x86_64 reason: SELinux is preventing /sbin/setfiles from read, write access on the chr_file /dev/dri/card0. time: 2012年03月08日 16時42分12秒 description: :SELinux is preventing /sbin/setfiles from read, write access on the chr_file /dev/dri/card0. : :***** Plugin leaks (50.5 confidence) suggests ****************************** : :If you want to ignore setfiles trying to read write access the card0 chr_file, because you believe it should not need this access. :Then you should report this as a bug. :You can generate a local policy module to dontaudit this access. :Do :# grep /sbin/setfiles /var/log/audit/audit.log | audit2allow -D -M mypol :# semodule -i mypol.pp : :***** Plugin catchall (50.5 confidence) suggests *************************** : :If you believe that setfiles should be allowed read write access on the card0 chr_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 restorecon /var/log/audit/audit.log | audit2allow -M mypol :# semodule -i mypol.pp : :Additional Information: :Source Context unconfined_u:unconfined_r:setfiles_t:s0-s0:c0.c102 : 3 :Target Context system_u:object_r:dri_device_t:s0 :Target Objects /dev/dri/card0 [ chr_file ] :Source restorecon :Source Path /sbin/setfiles :Port <不明> :Host (removed) :Source RPM Packages policycoreutils-2.1.4-13.fc16.x86_64 :Target RPM Packages :Policy RPM selinux-policy-3.10.0-75.fc16.noarch :Selinux Enabled True :Policy Type targeted :Enforcing Mode Enforcing :Host Name (removed) :Platform Linux (removed) 3.2.9-1.fc16.x86_64 #1 : SMP Thu Mar 1 01:41:10 UTC 2012 x86_64 x86_64 :Alert Count 1 :First Seen 2012年03月09日 00時34分22秒 :Last Seen 2012年03月09日 00時34分22秒 :Local ID 485a596d-d864-4b0c-9195-81557584c26c : :Raw Audit Messages :type=AVC msg=audit(1331220862.103:177): avc: denied { read write } for pid=3877 comm="restorecon" path="/dev/dri/card0" dev=devtmpfs ino=7331 scontext=unconfined_u:unconfined_r:setfiles_t:s0-s0:c0.c1023 tcontext=system_u:object_r:dri_device_t:s0 tclass=chr_file : : :type=SYSCALL msg=audit(1331220862.103:177): arch=x86_64 syscall=execve success=yes exit=0 a0=2810e00 a1=27af030 a2=27b9730 a3=18 items=0 ppid=3791 pid=3877 auid=1000 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts0 ses=2 comm=restorecon exe=/sbin/setfiles subj=unconfined_u:unconfined_r:setfiles_t:s0-s0:c0.c1023 key=(null) : :Hash: restorecon,setfiles_t,dri_device_t,chr_file,read,write : :audit2allow : :#============= setfiles_t ============== :allow setfiles_t dri_device_t:chr_file { read write }; : :audit2allow -R : :#============= setfiles_t ============== :allow setfiles_t dri_device_t:chr_file { read write }; :
What were you doing when this happened?
Sorry, I deleted the entry after this is filed, so exact info is not available. Roughly, it occured just after first login of restarted machine. Exact trigger is not yet known. Similar? alert (related to /dev/dri/card0) occurs when I do "semodule -l". Anyway, I will delete mypol and try to reproduce it. # Unfortunately, this machine is for public website. # So, frequent restart is... not welcome:-<
FYI. I found my shell sees /dev/dri/card0 on /dev/fd/7. # ls -l /proc/$$/fd total 0 lrwx------. 1 root root 64 Mar 8 23:22 0 -> /dev/pts/1 lrwx------. 1 root root 64 Mar 8 23:28 1 -> /dev/pts/1 lrwx------. 1 root root 64 Mar 8 23:28 10 -> /dev/pts/1 lrwx------. 1 root root 64 Mar 8 23:28 13 -> socket:[40591] lrwx------. 1 root root 64 Mar 8 23:28 15 -> socket:[41094] lrwx------. 1 root root 64 Mar 8 23:28 2 -> /dev/pts/1 lrwx------. 1 root root 64 Mar 8 23:28 7 -> /dev/dri/card0 # Is this fd leakage of /dev/dri/card0 (from systemd to my zsh and many other processes, under gnome desktop) normal?
Most likely this is a leak from X.
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