Unexpected behavior in permissive mode

[Joseph L. Casale]

With the policy updates that came with centos 7.1 update, I am trying to
update a few local policies we have but with `setenforce 0` I do not get
an avc at all when running my app, however enabling it and rerunning it
generates one, but without seeing them all that approach would be like
wack-a-mole.

The avc I am getting after setenforce 1 is run is:

type=AVC msg=audit(1428109185.330:570): avc:  denied  { execute_no_trans } for  pid=3953
comm="su" path="/usr/sbin/unix_chkpwd" dev="dm-0"
ino=25468477 scontext=system_u:system_r:bacula_t:s0 tcontext=sytype=SYSCAL

Why does this not trigger a denial in permissive mode?

Thanks,
jlc