60 memory leaks.. or is it some thing wrong with kmemleak?

Alexey Fisher
2009-07-14T06:08:42Z

Hallo all,
i enabled kmemleak and now i get a lot of them...
i do not know if this are real or some noise..
most of the about mounting ext4

unreferenced object 0xffff880133c63800 (size 1024):
comm "exe", pid 1521, jiffies 4294894652
backtrace:
[<ffffffff810f8f36>] create_object+0x126/0x2b0
[<ffffffff810f91d5>] kmemleak_alloc+0x25/0x60
[<ffffffff810f32a3>] __kmalloc+0x113/0x200
[<ffffffff811aa061>] ext4_mb_init+0x1b1/0x570
[<ffffffff8119b3d2>] ext4_fill_super+0x1de2/0x26d0
[<ffffffff810fe40f>] get_sb_bdev+0x16f/0x1b0
[<ffffffff811912f3>] ext4_get_sb+0x13/0x20
[<ffffffff810fdee6>] vfs_kern_mount+0x76/0x180
[<ffffffff810fe05d>] do_kern_mount+0x4d/0x120
[<ffffffff81115e17>] do_mount+0x307/0x880
[<ffffffff8111641f>] sys_mount+0x8f/0xe0
[<ffffffff8100b66b>] system_call_fastpath+0x16/0x1b
[<ffffffffffffffff>] 0xffffffffffffffff
unreferenced object 0xffff8801334db0c0 (size 192):
comm "exe", pid 1521, jiffies 4294894652
backtrace:
[<ffffffff810f8f36>] create_object+0x126/0x2b0
[<ffffffff810f91d5>] kmemleak_alloc+0x25/0x60
[<ffffffff810f32a3>] __kmalloc+0x113/0x200
[<ffffffff811aa061>] ext4_mb_init+0x1b1/0x570
[<ffffffff8119b3d2>] ext4_fill_super+0x1de2/0x26d0
[<ffffffff810fe40f>] get_sb_bdev+0x16f/0x1b0
[<ffffffff811912f3>] ext4_get_sb+0x13/0x20
[<ffffffff810fdee6>] vfs_kern_mount+0x76/0x180
[<ffffffff810fe05d>] do_kern_mount+0x4d/0x120
[<ffffffff81115e17>] do_mount+0x307/0x880
[<ffffffff8111641f>] sys_mount+0x8f/0xe0
[<ffffffff8100b66b>] system_call_fastpath+0x16/0x1b
[<ffffffffffffffff>] 0xffffffffffffffff

and other seems like about control group:

unreferenced object 0xffff88013b852440 (size 544):
comm "swapper", pid 0, jiffies 4294892296
backtrace:
[<ffffffff810f8f36>] create_object+0x126/0x2b0
[<ffffffff810f91d5>] kmemleak_alloc+0x25/0x60
[<ffffffff810f24f3>] kmem_cache_alloc+0xf3/0x170
[<ffffffff8121deff>] idr_pre_get+0x5f/0x90
[<ffffffff810898c5>] get_new_cssid+0x65/0x120
[<ffffffff8174f7a3>] cgroup_init+0x6f/0x109
[<ffffffff8173ad21>] start_kernel+0x3a6/0x3ca
[<ffffffff8173a315>] x86_64_start_reservations+0x125/0x129
[<ffffffff8173a3fd>] x86_64_start_kernel+0xe4/0xeb
[<ffffffffffffffff>] 0xffffffffffffffff
unreferenced object 0xffff88013b852660 (size 544):
comm "swapper", pid 0, jiffies 4294892296
backtrace:
[<ffffffff810f8f36>] create_object+0x126/0x2b0
[<ffffffff810f91d5>] kmemleak_alloc+0x25/0x60
[<ffffffff810f24f3>] kmem_cache_alloc+0xf3/0x170
[<ffffffff8121deff>] idr_pre_get+0x5f/0x90
[<ffffffff810898c5>] get_new_cssid+0x65/0x120
[<ffffffff8174f7a3>] cgroup_init+0x6f/0x109
[<ffffffff8173ad21>] start_kernel+0x3a6/0x3ca
[<ffffffff8173a315>] x86_64_start_reservations+0x125/0x129
[<ffffffff8173a3fd>] x86_64_start_kernel+0xe4/0xeb
[<ffffffffffffffff>] 0xffffffffffffffff