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| author | John Johansen <john.johansen@canonical.com> | 2013-10-14 11:44:34 -0700 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2013-10-16 11:53:59 +1100 |
| commit | 5cb3e91ebd0405519795f243adbfc4ed2a6fe53f (patch) | |
| tree | 225dc475680766f75f1e73dbaaa5d302c3c771f7 /security/apparmor | |
| parent | 34ec4de42be5006abdd8d0c08b306ffaa64d0d5d (diff) | |
| download | lwn-5cb3e91ebd0405519795f243adbfc4ed2a6fe53f.tar.gz lwn-5cb3e91ebd0405519795f243adbfc4ed2a6fe53f.zip | |
apparmor: fix memleak of the profile hash
BugLink: http://bugs.launchpad.net/bugs/1235523
This fixes the following kmemleak trace:
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
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
Diffstat (limited to 'security/apparmor')
| -rw-r--r-- | security/apparmor/policy.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c index 345bec07a27d..705c2879d3a9 100644 --- a/security/apparmor/policy.c +++ b/security/apparmor/policy.c @@ -610,6 +610,7 @@ void aa_free_profile(struct aa_profile *profile) aa_put_dfa(profile->policy.dfa); aa_put_replacedby(profile->replacedby); + kzfree(profile->hash); kzfree(profile); } |