BUG: memory leak unreferenced object 0xffff888101f4da80 (size 96): comm "kworker/u4:2", pid 52, jiffies 4294937751 (age 927.250s) hex dump (first 32 bytes): c0 5d ca 85 ff ff ff ff 70 4b 43 04 81 88 ff ff .]......pKC..... 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmalloc include/linux/slab.h:581 [inline] [] kzalloc include/linux/slab.h:714 [inline] [] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725 [] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206 [] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495 [] blk_mq_init_queue_data block/blk-mq.c:3883 [inline] [] __blk_mq_alloc_disk+0x3c/0xe0 block/blk-mq.c:3907 [] floppy_alloc_disk+0x2f/0x130 drivers/block/floppy.c:4499 [] do_floppy_init drivers/block/floppy.c:4580 [inline] [] floppy_async_init+0x10f/0x1364 drivers/block/floppy.c:4750 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307 [] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454 [] kthread+0x125/0x160 kernel/kthread.c:377 [] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 BUG: memory leak unreferenced object 0xffff888103f3fe80 (size 96): comm "kworker/u4:2", pid 52, jiffies 4294937751 (age 927.250s) hex dump (first 32 bytes): c0 5d ca 85 ff ff ff ff a0 b6 12 04 81 88 ff ff .].............. 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmalloc include/linux/slab.h:581 [inline] [] kzalloc include/linux/slab.h:714 [inline] [] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725 [] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206 [] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495 [] blk_mq_init_queue_data block/blk-mq.c:3883 [inline] [] __blk_mq_alloc_disk+0x3c/0xe0 block/blk-mq.c:3907 [] floppy_alloc_disk+0x2f/0x130 drivers/block/floppy.c:4499 [] do_floppy_init drivers/block/floppy.c:4580 [inline] [] floppy_async_init+0x10f/0x1364 drivers/block/floppy.c:4750 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307 [] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454 [] kthread+0x125/0x160 kernel/kthread.c:377 [] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 BUG: memory leak unreferenced object 0xffff888103f3f680 (size 96): comm "kworker/u4:2", pid 52, jiffies 4294937751 (age 927.250s) hex dump (first 32 bytes): c0 5d ca 85 ff ff ff ff b0 ab 12 04 81 88 ff ff .].............. 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmalloc include/linux/slab.h:581 [inline] [] kzalloc include/linux/slab.h:714 [inline] [] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725 [] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206 [] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495 [] blk_mq_init_queue_data block/blk-mq.c:3883 [inline] [] __blk_mq_alloc_disk+0x3c/0xe0 block/blk-mq.c:3907 [] floppy_alloc_disk+0x2f/0x130 drivers/block/floppy.c:4499 [] do_floppy_init drivers/block/floppy.c:4580 [inline] [] floppy_async_init+0x10f/0x1364 drivers/block/floppy.c:4750 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307 [] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454 [] kthread+0x125/0x160 kernel/kthread.c:377 [] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 BUG: memory leak unreferenced object 0xffff888104187c00 (size 96): comm "kworker/u4:3", pid 910, jiffies 4294937765 (age 927.120s) hex dump (first 32 bytes): c0 5d ca 85 ff ff ff ff 68 73 4d 04 81 88 ff ff .]......hsM..... 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmalloc include/linux/slab.h:581 [inline] [] kzalloc include/linux/slab.h:714 [inline] [] blk_iolatency_init+0x28/0x190 block/blk-iolatency.c:725 [] blkcg_init_queue+0xee/0x1c0 block/blk-cgroup.c:1206 [] blk_alloc_queue+0x24a/0x4a0 block/blk-core.c:495 [] blk_mq_init_queue_data block/blk-mq.c:3883 [inline] [] blk_mq_init_queue+0x35/0x90 block/blk-mq.c:3897 [] scsi_alloc_sdev+0x231/0x3b0 drivers/scsi/scsi_scan.c:330 [] scsi_probe_and_add_lun+0xff5/0x17e0 drivers/scsi/scsi_scan.c:1167 [] __scsi_scan_target+0x14f/0x9a0 drivers/scsi/scsi_scan.c:1649 [] scsi_scan_channel drivers/scsi/scsi_scan.c:1737 [inline] [] scsi_scan_channel+0xb7/0x100 drivers/scsi/scsi_scan.c:1713 [] scsi_scan_host_selected+0x1bf/0x220 drivers/scsi/scsi_scan.c:1766 [] do_scsi_scan_host+0xc0/0xd0 drivers/scsi/scsi_scan.c:1905 [] do_scan_async+0x19/0x200 drivers/scsi/scsi_scan.c:1915 [] async_run_entry_fn+0x24/0xf0 kernel/async.c:127 [] process_one_work+0x2bf/0x600 kernel/workqueue.c:2307 [] worker_thread+0x59/0x5b0 kernel/workqueue.c:2454 [] kthread+0x125/0x160 kernel/kthread.c:377 [] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295