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Message #19850
[Bug 1235523] 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 changed:
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
+ 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
--
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https://bugs.launchpad.net/bugs/1235523
Title:
Mem leak of profile hash field
Status in “linux” package in Ubuntu:
In Progress
Status in “linux” source package in Saucy:
In Progress
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
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References