Ubuntu
linux package

apparmor Mem leak of profile hash field

Bug #1235523 reported by John Johansen
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Fix Released
High
John Johansen
Saucy
Fix Released
High
John Johansen
linux-goldfish (Ubuntu)
Fix Released
High
John Johansen
Saucy
Fix Released
High
John Johansen
linux-grouper (Ubuntu)
Fix Released
High
John Johansen
Saucy
Fix Released
High
John Johansen
linux-maguro (Ubuntu)
Fix Released
High
John Johansen
Saucy
Fix Released
High
John Johansen
linux-mako (Ubuntu)
Fix Released
High
John Johansen
Saucy
Fix Released
High
John Johansen
linux-manta (Ubuntu)
Fix Released
High
John Johansen
Saucy
Fix Released
High
John Johansen

Bug Description

kmemleak dump of saucy 3.11.0-11-generic kernel

unreferenced object 0xffff8801e8c35680 (size 32):
  comm "apparmor_parser", pid 691, jiffies 4294895667 (age 13230.876s)
  hex dump (first 32 bytes):
    e0 d3 4e b5 ac 6d f4 ed 3f cb ee 48 1c fd 40 cf ..N..m..?..H..@.
    5b cc e9 93 00 00 00 00 00 00 00 00 00 00 00 00 [...............
  backtrace:
    [<ffffffff817a97ee>] kmemleak_alloc+0x4e/0xb0
    [<ffffffff811ca9f3>] __kmalloc+0x103/0x290
    [<ffffffff8138acbc>] aa_calc_profile_hash+0x6c/0x150
    [<ffffffff8138074d>] aa_unpack+0x39d/0xd50
    [<ffffffff8137eced>] aa_replace_profiles+0x3d/0xd80
    [<ffffffff81376937>] profile_replace+0x37/0x50
    [<ffffffff811e9f2d>] vfs_write+0xbd/0x1e0
    [<ffffffff811ea96c>] SyS_write+0x4c/0xa0
    [<ffffffff817ccb1d>] system_call_fastpath+0x1a/0x1f
    [<ffffffffffffffff>] 0xffffffffffffffff

Requires: unconfined root user replacing policy to trigger. 80 bytes per profile replaced

See original description
Brad Figg (brad-figg)
affects: linux-meta (Ubuntu) → linux (Ubuntu)
Revision history for this message
Brad Figg (brad-figg) wrote : Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:

apport-collect 1235523

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
Revision history for this message
John Johansen (jjohansen) wrote : Re: Mem leak of profile hash field

the necessary bit of log is in the description

Changed in linux (Ubuntu Saucy):
status: Incomplete → In Progress
description: updated
John Johansen (jjohansen)
summary: - Mem leak of profile hash field
+ apparmor Mem leak of profile hash field
Andy Whitcroft (apw)
Changed in linux (Ubuntu Saucy):
importance: Undecided → High
status: In Progress → Fix Committed
Changed in linux-grouper (Ubuntu Saucy):
assignee: nobody → John Johansen (jjohansen)
importance: Undecided → High
status: New → Fix Committed
Changed in linux-maguro (Ubuntu Saucy):
assignee: nobody → John Johansen (jjohansen)
importance: Undecided → High
status: New → Fix Committed
Changed in linux-mako (Ubuntu Saucy):
assignee: nobody → John Johansen (jjohansen)
importance: Undecided → High
status: New → Fix Committed
Changed in linux-manta (Ubuntu Saucy):
assignee: nobody → John Johansen (jjohansen)
importance: Undecided → High
status: New → Fix Committed
Andy Whitcroft (apw)
Changed in linux-goldfish (Ubuntu Saucy):
assignee: nobody → John Johansen (jjohansen)
importance: Undecided → High
status: New → Fix Committed
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package linux-goldfish - 3.4.0-1.7

---------------
linux-goldfish (3.4.0-1.7) saucy; urgency=low

  [ John Johansen ]

  * SAUCE: apparmor: fix unix domain sockets to be mediated on connection
    - LP: #1208988
  * SAUCE: apparmor: allocate path lookup buffers during init
    - LP: #1208988
  * SAUCE: apparmor: fix memleak of the profile hash
    - LP: #1235523
  * SAUCE: apparmor: fix memleak of replacedby struct
    - LP: #1235973
  * SAUCE: apparmor: fix bad lock balance when introspecting policy
    - LP: #1235977

  [ Tim Gardner ]

  * [Config] Use gcc-4.6 for armhf
    - LP: #1236444
 -- Andy Whitcroft <email address hidden> Tue, 08 Oct 2013 11:06:06 +0100

Changed in linux-goldfish (Ubuntu Saucy):
status: Fix Committed → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package linux - 3.11.0-12.18

---------------
linux (3.11.0-12.18) saucy; urgency=low

  [ Andy Whitcroft ]

  * [Packing] tools -- when tools are off they are off
  * [config] tools -- linux-tools-common really is common
  * [Packaging] tools -- make cpupower optional
  * [Packaging] tools -- fix crosscompilation
  * [config] tools -- enable cpupower
  * SAUCE: storvsc -- host takes MAINTENANCE_IN commands badly elide them
    - LP: #1234417

  [ John Johansen ]

  * SAUCE: apparmor: fix unix domain sockets to be mediated on connection
    - LP: #1208988
  * SAUCE: apparmor: allocate path lookup buffers during init
    - LP: #1208988
  * SAUCE: apparmor: fix memleak of the profile hash
    - LP: #1235523
  * SAUCE: apparmor: fix memleak of replacedby struct
    - LP: #1235973
  * SAUCE: apparmor: fix bad lock balance when introspecting policy
    - LP: #1235977

  [ Paolo Pisati ]

  * [Config] arm: VIRTIO_[BLK|NET|MMIO]=y

  [ Rob Herring ]

  * SAUCE: (no-up) net: calxedaxgmac: fix clearing of old filter addresses
    - LP: #1235272
  * SAUCE: (no-up) net: calxedaxgmac: add uc and mc filter addresses in
    promiscuous mode
    - LP: #1235272
  * SAUCE: (no-up) net: calxedaxgmac: determine number of address filters
    at runtime
    - LP: #1235272

  [ Tim Gardner ]

  * [Config] CONFIG_ANDROID=n
    - LP: #1235161
  * [Config] CONFIG_L2TP_V3=y
    - LP: #1235914
  * Release tracker
    - LP: #1236999

  [ Upstream Kernel Changes ]

  * Revert "HID: core: fix reporting of raw events"
    - LP: #1218004
 -- Andy Whitcroft <email address hidden> Fri, 04 Oct 2013 13:08:59 +0100

Changed in linux (Ubuntu Saucy):
status: Fix Committed → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package linux-grouper - 3.1.10-6.25

---------------
linux-grouper (3.1.10-6.25) saucy; urgency=low

  [ John Johansen ]

  * SAUCE: apparmor: fix unix domain sockets to be mediated on connection
    - LP: #1208988
  * SAUCE: apparmor: allocate path lookup buffers during init
    - LP: #1208988
  * SAUCE: apparmor: fix memleak of the profile hash
    - LP: #1235523
  * SAUCE: apparmor: fix memleak of replacedby struct
    - LP: #1235973
  * SAUCE: apparmor: fix bad lock balance when introspecting policy
    - LP: #1235977
 -- Andy Whitcroft <email address hidden> Mon, 07 Oct 2013 16:50:39 +0100

Changed in linux-grouper (Ubuntu Saucy):
status: Fix Committed → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package linux-maguro - 3.0.0-3.18

---------------
linux-maguro (3.0.0-3.18) saucy; urgency=low

  [ John Johansen ]

  * SAUCE: apparmor: fix unix domain sockets to be mediated on connection
    - LP: #1208988
  * SAUCE: apparmor: allocate path lookup buffers during init
    - LP: #1208988
  * SAUCE: apparmor: fix memleak of the profile hash
    - LP: #1235523
  * SAUCE: apparmor: fix memleak of replacedby struct
    - LP: #1235973
  * SAUCE: apparmor: fix bad lock balance when introspecting policy
    - LP: #1235977
 -- Andy Whitcroft <email address hidden> Mon, 07 Oct 2013 17:16:14 +0100

Changed in linux-maguro (Ubuntu Saucy):
status: Fix Committed → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package linux-mako - 3.4.0-3.21

---------------
linux-mako (3.4.0-3.21) saucy; urgency=low

  [ John Johansen ]

  * SAUCE: apparmor: fix unix domain sockets to be mediated on connection
    - LP: #1208988
  * SAUCE: apparmor: allocate path lookup buffers during init
    - LP: #1208988
  * SAUCE: apparmor: fix memleak of the profile hash
    - LP: #1235523
  * SAUCE: apparmor: fix memleak of replacedby struct
    - LP: #1235973
  * SAUCE: apparmor: fix bad lock balance when introspecting policy
    - LP: #1235977

  [ Scott James Remnant ]

  * SAUCE: (no-up) trace: add trace events for open(), exec() and uselib()
    - LP: #1194127
 -- Andy Whitcroft <email address hidden> Mon, 07 Oct 2013 18:17:50 +0100

Changed in linux-mako (Ubuntu Saucy):
status: Fix Committed → Fix Released
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package linux-manta - 3.4.0-4.19

---------------
linux-manta (3.4.0-4.19) saucy; urgency=low

  [ John Johansen ]

  * SAUCE: apparmor: fix unix domain sockets to be mediated on connection
    - LP: #1208988
  * SAUCE: apparmor: allocate path lookup buffers during init
    - LP: #1208988
  * SAUCE: apparmor: fix memleak of the profile hash
    - LP: #1235523
  * SAUCE: apparmor: fix memleak of replacedby struct
    - LP: #1235973
  * SAUCE: apparmor: fix bad lock balance when introspecting policy
    - LP: #1235977

  [ Scott James Remnant ]

  * SAUCE: (no-up) trace: add trace events for open(), exec() and uselib()
    - LP: #1194127
 -- Andy Whitcroft <email address hidden> Mon, 07 Oct 2013 18:23:03 +0100

Changed in linux-manta (Ubuntu Saucy):
status: Fix Committed → Fix Released
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