[apparmor] [Bug 1117804] [NEW] ausearch doesn't show AppArmor denial messages

Launchpad Bug Tracker 1117804 at bugs.launchpad.net
Wed Jun 21 15:47:48 UTC 2017


You have been subscribed to a public bug by Laurent Bigonville (bigon):

The following command should display all AVC denials:

ausearch -m avc

However, it doesn't work with AppArmor denials. Here's a quick test case
to generate a denial, search for it with ausearch, and see that no
messages are displayed:

$ aa-exec -p /usr/sbin/tcpdump cat /proc/self/attr/current
cat: /proc/self/attr/current: Permission denied
$ sudo ausearch -m avc -c cat
<no matches>

ausearch claims that there are no matches, but there's a matching audit
message if you look in audit.log:

type=AVC msg=audit(1360193426.539:64): apparmor="DENIED"
operation="open" parent=8253 profile="/usr/sbin/tcpdump"
name="/proc/8485/attr/current" pid=8485 comm="cat" requested_mask="r"
denied_mask="r" fsuid=1000 ouid=1000

** Affects: apparmor
     Importance: Low
         Status: Confirmed

** Affects: audit (Ubuntu)
     Importance: Low
         Status: Confirmed


** Tags: apparmor
-- 
ausearch doesn't show AppArmor denial messages
https://bugs.launchpad.net/bugs/1117804
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