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[Christian Boltz <1525119@xxxxxxxxxxxxxxxxxx>]

Sorry, I overlooked the version in the initial report.

Thanks for the log line!
The empty denied_mask is a) strange and b) basically what I expected based on the error message.

I can reproduce the crash with the latest code and all maintained
branches, so you don't need to test yourself ;-)

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https://bugs.launchpad.net/bugs/1525119

Title:
  Cannot permit some operations for sssd

Status in apparmor package in Ubuntu:
  New

Bug description:
  I am trying to write apparmor profile to match my sssd usage,
  unfortunately it seems I cannot tell sssd to permit things it needs.

  apparmor version 2.8.95~2430-0ubuntu5.3

  Description:    Ubuntu 14.04.3 LTS
  Release:        14.04

  The complaints in log:
  Dec 11 10:24:07 gw-dc01 kernel: [2214272.643384] type=1400 audit(1449822247.281:21249): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/sssd" pid=7104 comm="apparmor_parser"
  Dec 11 10:24:07 gw-dc01 kernel: [2214272.912195] type=1400 audit(1449822247.549:21250): apparmor="ALLOWED" operation="exec" profile="/usr/sbin/sssd" pid=7112 comm="sssd_be" requested_mask="x" denied_mask="x" fsuid=0 ouid=0 target="/usr/sbin/sssd//null-45"
  Dec 11 10:24:07 gw-dc01 kernel: [2214272.912766] type=1400 audit(1449822247.549:21251): apparmor="ALLOWED" operation="file_inherit" profile="/usr/sbin/sssd//null-45" name="/var/log/sssd/ldap_child.log" pid=7112 comm="nsupdate" requested_mask="" denied_mask="" fsuid=0 ouid=0
  Dec 11 10:24:07 gw-dc01 kernel: [2214272.912773] type=1400 audit(1449822247.549:21252): apparmor="ALLOWED" operation="file_inherit" profile="/usr/sbin/sssd//null-45" name="/var/log/sssd/krb5_child.log" pid=7112 comm="nsupdate" requested_mask="" denied_mask="" fsuid=0 ouid=0
  Dec 11 10:24:07 gw-dc01 kernel: [2214272.912871] type=1400 audit(1449822247.549:21253): apparmor="ALLOWED" operation="open" profile="/usr/sbin/sssd//null-45" name="/etc/ld.so.cache" pid=7112 comm="nsupdate" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
  Dec 11 10:24:07 gw-dc01 kernel: [2214272.912878] type=1400 audit(1449822247.549:21254): apparmor="ALLOWED" operation="getattr" profile="/usr/sbin/sssd//null-45" name="/etc/ld.so.cache" pid=7112 comm="nsupdate" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
  Dec 11 10:24:07 gw-dc01 kernel: [2214272.912898] type=1400 audit(1449822247.549:21255): apparmor="ALLOWED" operation="open" profile="/usr/sbin/sssd//null-45" name="/usr/lib/liblwres.so.90.0.7" pid=7112 comm="nsupdate" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
  Dec 11 10:24:07 gw-dc01 kernel: [2214272.912909] type=1400 audit(1449822247.549:21256): apparmor="ALLOWED" operation="getattr" profile="/usr/sbin/sssd//null-45" name="/usr/lib/liblwres.so.90.0.7" pid=7112 comm="nsupdate" requested_mask="r" denied_mask="r" fsuid=0 ouid=0
  Dec 11 10:24:07 gw-dc01 kernel: [2214272.912915] type=1400 audit(1449822247.549:21257): apparmor="ALLOWED" operation="file_mmap" profile="/usr/sbin/sssd//null-45" name="/usr/lib/liblwres.so.90.0.7" pid=7112 comm="nsupdate" requested_mask="mr" denied_mask="mr" fsuid=0 ouid=0
  Dec 11 10:24:07 gw-dc01 kernel: [2214272.912948] type=1400 audit(1449822247.549:21258): apparmor="ALLOWED" operation="open" profile="/usr/sbin/sssd//null-45" name="/usr/lib/libdns.so.100.2.2" pid=7112 comm="nsupdate" requested_mask="r" denied_mask="r" fsuid=0 ouid=0

  Current profile:
  #include <tunables/global>

  /usr/sbin/sssd {
    #include <abstractions/base>
    #include <abstractions/kerberosclient>
    #include <abstractions/nameservice>
    #include <abstractions/user-tmp>

    capability dac_override,
    capability dac_read_search,
    capability setgid,
    capability setuid,
    capability sys_nice,

    @{PROC} r,
    @{PROC}/[0-9]*/status r,

    /etc/krb5.keytab k,
    /etc/ldap/ldap.conf r,
    /etc/localtime r,
    /etc/shells r,
    /etc/sssd/sssd.conf r,

    /usr/sbin/sssd rmix,
    /usr/lib/@{multiarch}/ldb/modules/ldb/* m,
    /usr/lib/@{multiarch}/sssd/* rix,

    /tmp/{,.}krb5cc_* rwk,

    /var/lib/sss/* rw,
    /var/lib/sss/db/* rwk,
    /var/lib/sss/pipes/* rw,
    /var/lib/sss/pipes/private/* rw,
    /var/lib/sss/pubconf/* rw,
    /var/log/sssd/* rw,
    /var/tmp/host_* rw,

    /{,var/}run/sssd.pid rw,

    # Site-specific additions and overrides. See local/README for details.
    #include <local/usr.sbin.sssd>
  }
  # Site-specific additions and overrides for usr.sbin.sssd.
  # For more details, please see /etc/apparmor.d/local/README.

  capability sys_admin,
  capability sys_resource,

  network inet dgram,
  network inet6 dgram,
  network inet stream,
  network inet6 stream,

  @{PROC}/[0-9]*/net/psched r,

  /etc/ld.so.cache r,
  /etc/libnl-3/classid r,

  /usr/sbin/sssd rmix,
  /usr/sbin/sssd/** rmix,
  /var/log/sssd/** lkrw,
  /var/lib/sss/** lkrw,
  /usr/lib/libdns.so.100.2.2 m,
  /usr/lib/liblwres.so.90.0.7 m,
  /usr/lib/x86_64-linux-gnu/krb5/plugins/authdata/* m,
  /usr/lib/x86_64-linux-gnu/samba/ldb/* m,
  /var/lib/sss/** lkrw,

  Also, running aa-genprof et al crashes:

  Reading log entries from /var/log/syslog.
  Traceback (most recent call last):
    File "/usr/sbin/aa-genprof", line 155, in <module>
      lp_ret = apparmor.do_logprof_pass(logmark, passno)
    File "/usr/lib/python3/dist-packages/apparmor/aa.py", line 2280, in do_logprof_pass
      log = log_reader.read_log(logmark)
    File "/usr/lib/python3/dist-packages/apparmor/logparser.py", line 353, in read_log
      self.add_event_to_tree(event)
    File "/usr/lib/python3/dist-packages/apparmor/logparser.py", line 261, in add_event_to_tree
      raise AppArmorException(_('Log contains unknown mode %s') % rmask)
  apparmor.common.AppArmorException: 'Log contains unknown mode '

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