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If I change the label of /sbin/kpartx to lvm_exec_t, only 1 AVC appears when running kpartx -v /dev/sda. Here is the AVC:
type=1400 audit(1299229175.589:12470): avc: denied { ipc_info } for pid=2347 comm="kpartx" scontext=root:sysadm_r:lvm_t:s0-s15:c0.c1023 tcontext=system_u:system_r:kernel_t:s15:c0.c1023 tclass=system
The AVC is very similar to one mentioned in bug report https://bugzilla.redhat.com/show_bug.cgi?id=681882 .
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: Version-Release number of selected component (if applicable): selinux-policy-targeted-3.7.19-73.el6.noarch selinux-policy-mls-3.7.19-73.el6.noarch selinux-policy-3.7.19-73.el6.noarch How reproducible: always Steps to Reproduce: # id -Z root:sysadm_r:sysadm_t:s0-s15:c0.c1023 # cat /proc/partitions major minor #blocks name 8 0 488386584 sda 8 1 512000 sda1 8 2 487873536 sda2 253 0 52428800 dm-0 253 1 20627456 dm-1 253 2 414814208 dm-2 # kpartx -v /dev/sda sda1 : 0 1024000 /dev/sda 2048 sda2 : 0 975747072 /dev/sda 1026048 # Actual results: ---- time->Thu Mar 3 09:24:12 2011 type=SYSCALL msg=audit(1299162252.172:40): arch=c000003e syscall=2 success=yes exit=3 a0=7fff2163ff80 a1=2 a2=a3a a3=10 items=0 ppid=2660 pid=2747 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=ttyS0 ses=1 comm="kpartx" exe="/sbin/kpartx" subj=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 key=(null) type=AVC msg=audit(1299162252.172:40): avc: denied { open } for pid=2747 comm="kpartx" name="control" dev=devtmpfs ino=5452 scontext=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 tcontext=system_u:object_r:lvm_control_t:s0 tclass=chr_file type=AVC msg=audit(1299162252.172:40): avc: denied { read write } for pid=2747 comm="kpartx" name="control" dev=devtmpfs ino=5452 scontext=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 tcontext=system_u:object_r:lvm_control_t:s0 tclass=chr_file ---- time->Thu Mar 3 09:24:48 2011 type=SYSCALL msg=audit(1299162288.765:42): arch=c000003e syscall=16 success=yes exit=0 a0=4 a1=1268 a2=7fff8b87d838 a3=0 items=0 ppid=2660 pid=2751 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=ttyS0 ses=1 comm="kpartx" exe="/sbin/kpartx" subj=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 key=(null) type=AVC msg=audit(1299162288.765:42): avc: denied { ioctl } for pid=2751 comm="kpartx" path="/dev/sda" dev=devtmpfs ino=6230 scontext=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 tcontext=system_u:object_r:fixed_disk_device_t:s15:c0.c1023 tclass=blk_file ---- time->Thu Mar 3 09:24:48 2011 type=SYSCALL msg=audit(1299162288.765:41): arch=c000003e syscall=2 success=yes exit=4 a0=7fff8b87fd83 a1=0 a2=77f a3=0 items=0 ppid=2660 pid=2751 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=ttyS0 ses=1 comm="kpartx" exe="/sbin/kpartx" subj=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 key=(null) type=AVC msg=audit(1299162288.765:41): avc: denied { open } for pid=2751 comm="kpartx" name="sda" dev=devtmpfs ino=6230 scontext=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 tcontext=system_u:object_r:fixed_disk_device_t:s15:c0.c1023 tclass=blk_file type=AVC msg=audit(1299162288.765:41): avc: denied { read } for pid=2751 comm="kpartx" name="sda" dev=devtmpfs ino=6230 scontext=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 tcontext=system_u:object_r:fixed_disk_device_t:s15:c0.c1023 tclass=blk_file ---- Expected results: no AVCs