BUG: memory leak
unreferenced object 0xffff88810fcd1c00 (size 1024):
  comm "kworker/0:2", pid 3644, jiffies 4294950190 (age 20.510s)
  hex dump (first 32 bytes):
    88 e7 9d 12 81 88 ff ff 88 e7 9d 12 81 88 ff ff  ................
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000003b655c4a>] kmalloc include/linux/slab.h:552 [inline]
    [<000000003b655c4a>] kzalloc include/linux/slab.h:664 [inline]
    [<000000003b655c4a>] usb_set_configuration+0x18c/0xb90 drivers/usb/core/message.c:1987
    [<000000000b438ff1>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<0000000097f36d62>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<0000000011253ec1>] really_probe+0x159/0x480 drivers/base/dd.c:554
    [<00000000e39a1938>] driver_probe_device+0x84/0x100 drivers/base/dd.c:738
    [<00000000e0f7d565>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:844
    [<0000000018abfcd8>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<00000000a76ec38f>] __device_attach+0x122/0x250 drivers/base/dd.c:912
    [<00000000b76b9a6b>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<0000000004ec8fb1>] device_add+0x5ac/0xc30 drivers/base/core.c:2936
    [<000000008694dab8>] usb_new_device.cold+0x166/0x578 drivers/usb/core/hub.c:2554
    [<000000007b059bf5>] hub_port_connect drivers/usb/core/hub.c:5222 [inline]
    [<000000007b059bf5>] hub_port_connect_change drivers/usb/core/hub.c:5362 [inline]
    [<000000007b059bf5>] port_event drivers/usb/core/hub.c:5508 [inline]
    [<000000007b059bf5>] hub_event+0x144a/0x20d0 drivers/usb/core/hub.c:5590
    [<000000009295f981>] process_one_work+0x27d/0x590 kernel/workqueue.c:2272
    [<000000002144c5ff>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2418
    [<000000009463de8c>] kthread+0x178/0x1b0 kernel/kthread.c:292
    [<00000000a140dd70>] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

BUG: memory leak
unreferenced object 0xffff88810a17b500 (size 256):
  comm "kworker/0:2", pid 3644, jiffies 4294950194 (age 20.470s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 08 b5 17 0a 81 88 ff ff  ................
    08 b5 17 0a 81 88 ff ff 70 94 58 82 ff ff ff ff  ........p.X.....
  backtrace:
    [<00000000de6f3367>] kmalloc include/linux/slab.h:552 [inline]
    [<00000000de6f3367>] kzalloc include/linux/slab.h:664 [inline]
    [<00000000de6f3367>] device_private_init drivers/base/core.c:2778 [inline]
    [<00000000de6f3367>] device_add+0x7e8/0xc30 drivers/base/core.c:2828
    [<0000000082cdc0c3>] usb_set_configuration+0x9de/0xb90 drivers/usb/core/message.c:2159
    [<000000000b438ff1>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<0000000097f36d62>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<0000000011253ec1>] really_probe+0x159/0x480 drivers/base/dd.c:554
    [<00000000e39a1938>] driver_probe_device+0x84/0x100 drivers/base/dd.c:738
    [<00000000e0f7d565>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:844
    [<0000000018abfcd8>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<00000000a76ec38f>] __device_attach+0x122/0x250 drivers/base/dd.c:912
    [<00000000b76b9a6b>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<0000000004ec8fb1>] device_add+0x5ac/0xc30 drivers/base/core.c:2936
    [<000000008694dab8>] usb_new_device.cold+0x166/0x578 drivers/usb/core/hub.c:2554
    [<000000007b059bf5>] hub_port_connect drivers/usb/core/hub.c:5222 [inline]
    [<000000007b059bf5>] hub_port_connect_change drivers/usb/core/hub.c:5362 [inline]
    [<000000007b059bf5>] port_event drivers/usb/core/hub.c:5508 [inline]
    [<000000007b059bf5>] hub_event+0x144a/0x20d0 drivers/usb/core/hub.c:5590
    [<000000009295f981>] process_one_work+0x27d/0x590 kernel/workqueue.c:2272
    [<000000002144c5ff>] worker_thread+0x59/0x5d0 kernel/workqueue.c:2418
    [<000000009463de8c>] kthread+0x178/0x1b0 kernel/kthread.c:292

write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory