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I am running xubuntu 2604, with apparmor activated
the aa-logprof tool crashes with the following traceback :
root@EliteBook-ubuntu:~# aa-logprof
Updating AppArmor profiles in /etc/apparmor.d.
Reading log entries from /var/log/audit/audit.log.
Traceback (most recent call last):
File "/usr/sbin/aa-logprof", line 61, in <module>
apparmor.do_logprof_pass(logmark, out_dir=args.output_dir)
~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/apparmor/aa.py", line 1497, in
do_logprof_pass
log_dict = collapse_log(hashlog)
File "/usr/lib/python3/dist-packages/apparmor/aa.py", line 1599, in
collapse_log
for rule in ev_class.from_hashlog(hashlog[aamode][full_profile][ev_type]):
~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/apparmor/rule/file.py", line 500, in
from_hashlog
yield cls(path, mode, None, FileRule.ALL, owner=owner, log_event=True)
~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/apparmor/rule/file.py", line 67, in
__init__
self.path, self.all_paths = self._aare_or_all(path, 'path', True,
log_event) # noqa: E221
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/apparmor/rule/__init__.py", line 94, in
_aare_or_all
raise AppArmorBug(
'Passed unknown %(partname)s to %(classname)s: %(rulepart)s'
% {'partname': partname, 'classname': self.__class__.__name__,
'rulepart': str(rulepart)})
apparmor.common.AppArmorBug: Passed unknown path to FileRule: None
An unexpected error occurred!
--------------------------------
I have isolated one audit log line which crashes the tool :
type=AVC msg=audit(1779976535.195:1855): apparmor="DENIED" operation="open"
class="file" profile="bwrap" pid=8962 comm="bwrap" requested_mask="wr"
denied_mask="wr" fsuid=1000 ouid=0FSUID="eric" OUID="root"
the apparmor comes from the /etc/apparmor.d/bwrap-userns-restrict file,
from apparmor package, unmodified
the problem disappear if I remove the /etc/apparmor.d/bwrap-userns-
restrict file
** Affects: ubuntu
Importance: Undecided
Status: New
--
apparmor aa-logprof crashes on bwrap profile
https://bugs.launchpad.net/bugs/2158708
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