• J
    apparmor: fix memleak of the profile hash · 5cb3e91e
    John Johansen 提交于
    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: NJohn Johansen <john.johansen@canonical.com>
    Signed-off-by: NJames Morris <james.l.morris@oracle.com>
    5cb3e91e
policy.c 34.6 KB