BUG: memory leak
unreferenced object 0xffff888101fcfa80 (size 96):
  comm "kworker/u4:1", pid 42, jiffies 4294937728 (age 1118.040s)
  hex dump (first 32 bytes):
    c0 5d ca 85 ff ff ff ff f8 25 d5 01 81 88 ff ff  .].......%......
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff8228e548>] kmalloc include/linux/slab.h:581 [inline]
    [<ffffffff8228e548>] kzalloc include/linux/slab.h:714 [inline]
    [<ffffffff8228e548>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
    [<ffffffff8228501e>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
    [<ffffffff8224a2ea>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
    [<ffffffff8226380c>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
    [<ffffffff8226380c>] __blk_mq_alloc_disk+0x3c/0xe0 block/blk-mq.c:3907
    [<ffffffff826eb85f>] floppy_alloc_disk+0x2f/0x130 drivers/block/floppy.c:4499
    [<ffffffff86f7caca>] do_floppy_init drivers/block/floppy.c:4580 [inline]
    [<ffffffff86f7caca>] floppy_async_init+0x10f/0x1364 drivers/block/floppy.c:4750
    [<ffffffff8127c014>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
    [<ffffffff8126a45f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
    [<ffffffff8126ad89>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
    [<ffffffff81274745>] kthread+0x125/0x160 kernel/kthread.c:377
    [<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888103ff5380 (size 96):
  comm "kworker/u4:1", pid 42, jiffies 4294937728 (age 1118.040s)
  hex dump (first 32 bytes):
    c0 5d ca 85 ff ff ff ff 80 20 d5 01 81 88 ff ff  .]....... ......
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff8228e548>] kmalloc include/linux/slab.h:581 [inline]
    [<ffffffff8228e548>] kzalloc include/linux/slab.h:714 [inline]
    [<ffffffff8228e548>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
    [<ffffffff8228501e>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
    [<ffffffff8224a2ea>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
    [<ffffffff8226380c>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
    [<ffffffff8226380c>] __blk_mq_alloc_disk+0x3c/0xe0 block/blk-mq.c:3907
    [<ffffffff826eb85f>] floppy_alloc_disk+0x2f/0x130 drivers/block/floppy.c:4499
    [<ffffffff86f7caca>] do_floppy_init drivers/block/floppy.c:4580 [inline]
    [<ffffffff86f7caca>] floppy_async_init+0x10f/0x1364 drivers/block/floppy.c:4750
    [<ffffffff8127c014>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
    [<ffffffff8126a45f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
    [<ffffffff8126ad89>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
    [<ffffffff81274745>] kthread+0x125/0x160 kernel/kthread.c:377
    [<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

BUG: memory leak
unreferenced object 0xffff888101fcf800 (size 96):
  comm "kworker/u4:1", pid 42, jiffies 4294937728 (age 1118.040s)
  hex dump (first 32 bytes):
    c0 5d ca 85 ff ff ff ff a0 d6 2c 01 81 88 ff ff  .]........,.....
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff8228e548>] kmalloc include/linux/slab.h:581 [inline]
    [<ffffffff8228e548>] kzalloc include/linux/slab.h:714 [inline]
    [<ffffffff8228e548>] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725
    [<ffffffff8228501e>] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206
    [<ffffffff8224a2ea>] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495
    [<ffffffff8226380c>] blk_mq_init_queue_data block/blk-mq.c:3883 [inline]
    [<ffffffff8226380c>] __blk_mq_alloc_disk+0x3c/0xe0 block/blk-mq.c:3907
    [<ffffffff826eb85f>] floppy_alloc_disk+0x2f/0x130 drivers/block/floppy.c:4499
    [<ffffffff86f7caca>] do_floppy_init drivers/block/floppy.c:4580 [inline]
    [<ffffffff86f7caca>] floppy_async_init+0x10f/0x1364 drivers/block/floppy.c:4750
    [<ffffffff8127c014>] async_run_entry_fn+0x24/0xf0 kernel/async.c:127
    [<ffffffff8126a45f>] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307
    [<ffffffff8126ad89>] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454
    [<ffffffff81274745>] kthread+0x125/0x160 kernel/kthread.c:377
    [<ffffffff810021ef>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295