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Miroslav I think we should just add
dev_search_sysfs(tgtd_t)
Not sure if it is actually going to read something in there.
Eduard can you make tgtd_t permissive and see if it tries to read sysfs_t
semanage permissive -a tgtd_t
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.
http://rhn.redhat.com/errata/RHBA-2011-0526.html
Description of problem: Start of tgtd service emits AVC denials. This might be also bug in tgtd initscript abusing directory search. If so, please change the bz component. Version-Release number of selected component (if applicable): scsi-target-utils-1.0.4-3.el6.x86_64 selinux-policy-3.7.19-54.el6.noarch How reproducible: always Steps to Reproduce: 1. # service tgtd restart 2. or # chkconfig tgtd on ; reboot 3. check logs with ausearch Actual results: AVC denials in system logs Expected results: No AVC denials in system logs Additional info: [root@localhost ~]# service tgtd restart Stopping SCSI target daemon: [ OK ] Starting SCSI target daemon: [ OK ] [root@localhost ~]# ausearch -m avc -ts 3:27 ---- time->Wed Sep 15 03:28:46 2010 type=SYSCALL msg=audit(1284535726.703:88): arch=c000003e syscall=2 success=no exit=-13 a0=1b774b0 a1=0 a2=0 a3=7fffd10ea140 items=0 ppid=5909 pid=5910 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts1 ses=3 comm="tgtd" exe="/usr/sbin/tgtd" subj=unconfined_u:system_r:tgtd_t:s0 key=(null) type=AVC msg=audit(1284535726.703:88): avc: denied { search } for pid=5910 comm="tgtd" name="/" dev=sysfs ino=1 scontext=unconfined_u:system_r:tgtd_t:s0 tcontext=system_u:object_r:sysfs_t:s0 tclass=dir ---- time->Wed Sep 15 03:28:46 2010 type=SYSCALL msg=audit(1284535726.705:89): arch=c000003e syscall=2 success=no exit=-13 a0=1b774b0 a1=0 a2=0 a3=765f6962612f616d items=0 ppid=5909 pid=5910 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts1 ses=3 comm="tgtd" exe="/usr/sbin/tgtd" subj=unconfined_u:system_r:tgtd_t:s0 key=(null) type=AVC msg=audit(1284535726.705:89): avc: denied { search } for pid=5910 comm="tgtd" name="/" dev=sysfs ino=1 scontext=unconfined_u:system_r:tgtd_t:s0 tcontext=system_u:object_r:sysfs_t:s0 tclass=dir ---- time->Wed Sep 15 03:28:46 2010 type=SYSCALL msg=audit(1284535726.705:90): arch=c000003e syscall=2 success=no exit=-13 a0=1b774b0 a1=0 a2=0 a3=5f6962612f736272 items=0 ppid=5909 pid=5910 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts1 ses=3 comm="tgtd" exe="/usr/sbin/tgtd" subj=unconfined_u:system_r:tgtd_t:s0 key=(null) type=AVC msg=audit(1284535726.705:90): avc: denied { search } for pid=5910 comm="tgtd" name="/" dev=sysfs ino=1 scontext=unconfined_u:system_r:tgtd_t:s0 tcontext=system_u:object_r:sysfs_t:s0 tclass=dir [root@localhost ~]# ausearch -m avc -ts 3:27 | audit2allow #============= tgtd_t ============== allow tgtd_t sysfs_t:dir search;