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[Bug 1235973] [NEW] Mem leak of profile replacedby struct

 

Public bug reported:

kmemleak dump of saucy 3.11.0-11-generic kernel

unreferenced object 0xffff8800245476d8 (size 16):
  comm "apparmor_parser", pid 14163, jiffies 4295196456 (age 3312.192s)
  hex dump (first 16 bytes):
    01 00 00 00 00 00 00 00 30 00 89 3d 00 88 ff ff  ........0..=....
  backtrace:
    [<ffffffff817a99ae>] kmemleak_alloc+0x4e/0xb0
    [<ffffffff811c98b6>] kmem_cache_alloc_trace+0xe6/0x260
    [<ffffffff81386d97>] aa_alloc_replacedby+0x27/0x80
    [<ffffffff8137f1fc>] aa_replace_profiles+0x48c/0xd80
    [<ffffffff813769ea>] profile_load+0x3a/0x60
    [<ffffffff811e9f2d>] vfs_write+0xbd/0x1e0
    [<ffffffff811ea96c>] SyS_write+0x4c/0xa0
    [<ffffffff817cccdd>] system_call_fastpath+0x1a/0x1f
    [<ffffffffffffffff>] 0xffffffffffffffff

Requires: unconfined root user removing profiles (replacement will not
cause a leak).

** Affects: linux (Ubuntu)
     Importance: Undecided
     Assignee: John Johansen (jjohansen)
         Status: In Progress

** Changed in: linux (Ubuntu)
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/1235973

Title:
  Mem leak of profile replacedby struct

Status in “linux” package in Ubuntu:
  In Progress

Bug description:
  kmemleak dump of saucy 3.11.0-11-generic kernel

  unreferenced object 0xffff8800245476d8 (size 16):
    comm "apparmor_parser", pid 14163, jiffies 4295196456 (age 3312.192s)
    hex dump (first 16 bytes):
      01 00 00 00 00 00 00 00 30 00 89 3d 00 88 ff ff  ........0..=....
    backtrace:
      [<ffffffff817a99ae>] kmemleak_alloc+0x4e/0xb0
      [<ffffffff811c98b6>] kmem_cache_alloc_trace+0xe6/0x260
      [<ffffffff81386d97>] aa_alloc_replacedby+0x27/0x80
      [<ffffffff8137f1fc>] aa_replace_profiles+0x48c/0xd80
      [<ffffffff813769ea>] profile_load+0x3a/0x60
      [<ffffffff811e9f2d>] vfs_write+0xbd/0x1e0
      [<ffffffff811ea96c>] SyS_write+0x4c/0xa0
      [<ffffffff817cccdd>] system_call_fastpath+0x1a/0x1f
      [<ffffffffffffffff>] 0xffffffffffffffff

  Requires: unconfined root user removing profiles (replacement will not
  cause a leak).

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