unreferenced object 0xffff8dd020037c00 (size 96):
  comm "systemd-udevd", pid 435, jiffies 4294892550 (age 5113.548s)
  hex dump (first 32 bytes):
    5d 8e 4e b9 ff ff ff ff 00 00 00 00 00 00 00 00  ].N.............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffffb81a74be>] __kmem_cache_alloc_node+0x22e/0x2b0
    [<ffffffffb8127b6e>] kmalloc_trace+0x2e/0xa0
    [<ffffffffb87543d9>] class_create+0x29/0x80
    [<ffffffffb8880d24>] usb_register_dev+0x1d4/0x2e0
    [<ffffffffc03d7bab>] hiddev_connect+0x11b/0x1b0 [usbhid]
    [<ffffffffc03b6d4e>] hid_connect+0xde/0x580 [hid]
    [<ffffffffc03b724c>] hid_hw_start+0x4c/0x70 [hid]
    [<ffffffffc0388092>] hid_generic_probe+0x32/0x40 [hid_generic]
    [<ffffffffc03b7450>] hid_device_probe+0x100/0x170 [hid]
    [<ffffffffb8752082>] really_probe+0x1b2/0x420
    [<ffffffffb875237e>] __driver_probe_device+0x7e/0x170
    [<ffffffffb87524a3>] driver_probe_device+0x23/0xa0
    [<ffffffffb8752748>] __driver_attach+0xe8/0x1e0
    [<ffffffffb874f8ee>] bus_for_each_dev+0x7e/0xd0
    [<ffffffffb8751822>] driver_attach+0x22/0x30
    [<ffffffffb8750e70>] bus_add_driver+0x120/0x220
unreferenced object 0xffff8dd015653e00 (size 512):
  comm "systemd-udevd", pid 435, jiffies 4294892550 (age 5113.548s)
  hex dump (first 32 bytes):
    00 3e 65 15 d0 8d ff ff 00 3e 65 15 d0 8d ff ff  .>e......>e.....
    00 00 00 00 00 00 00 00 5d 8e 4e b9 ff ff ff ff  ........].N.....
  backtrace:
    [<ffffffffb81a74be>] __kmem_cache_alloc_node+0x22e/0x2b0
    [<ffffffffb8127b6e>] kmalloc_trace+0x2e/0xa0
    [<ffffffffb8754292>] class_register+0x32/0x140
    [<ffffffffb87543f4>] class_create+0x44/0x80
    [<ffffffffb8880d24>] usb_register_dev+0x1d4/0x2e0
    [<ffffffffc03d7bab>] hiddev_connect+0x11b/0x1b0 [usbhid]
    [<ffffffffc03b6d4e>] hid_connect+0xde/0x580 [hid]
    [<ffffffffc03b724c>] hid_hw_start+0x4c/0x70 [hid]
    [<ffffffffc0388092>] hid_generic_probe+0x32/0x40 [hid_generic]
    [<ffffffffc03b7450>] hid_device_probe+0x100/0x170 [hid]
    [<ffffffffb8752082>] really_probe+0x1b2/0x420
    [<ffffffffb875237e>] __driver_probe_device+0x7e/0x170
    [<ffffffffb87524a3>] driver_probe_device+0x23/0xa0
    [<ffffffffb8752748>] __driver_attach+0xe8/0x1e0
    [<ffffffffb874f8ee>] bus_for_each_dev+0x7e/0xd0
    [<ffffffffb8751822>] driver_attach+0x22/0x30
unreferenced object 0xffff8dd020037f60 (size 96):
  comm "kworker/0:2", pid 496256, jiffies 4295987055 (age 735.632s)
  hex dump (first 32 bytes):
    5d 8e 4e b9 ff ff ff ff 00 00 00 00 00 00 00 00  ].N.............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffffb81a74be>] __kmem_cache_alloc_node+0x22e/0x2b0
    [<ffffffffb8127b6e>] kmalloc_trace+0x2e/0xa0
    [<ffffffffb87543d9>] class_create+0x29/0x80
    [<ffffffffb8880d24>] usb_register_dev+0x1d4/0x2e0
    [<ffffffffc03d7bab>] hiddev_connect+0x11b/0x1b0 [usbhid]
    [<ffffffffc03b6d4e>] hid_connect+0xde/0x580 [hid]
    [<ffffffffc03b724c>] hid_hw_start+0x4c/0x70 [hid]
    [<ffffffffc0388092>] hid_generic_probe+0x32/0x40 [hid_generic]
    [<ffffffffc03b7450>] hid_device_probe+0x100/0x170 [hid]
    [<ffffffffb8752082>] really_probe+0x1b2/0x420
    [<ffffffffb875237e>] __driver_probe_device+0x7e/0x170
    [<ffffffffb87524a3>] driver_probe_device+0x23/0xa0
    [<ffffffffb87525c2>] __device_attach_driver+0x92/0x120
    [<ffffffffb874f9da>] bus_for_each_drv+0x8a/0xe0
    [<ffffffffb8752ad1>] __device_attach+0xc1/0x1f0
    [<ffffffffb8752ed7>] device_initial_probe+0x17/0x20
unreferenced object 0xffff8dd07df25a00 (size 512):
  comm "kworker/0:2", pid 496256, jiffies 4295987055 (age 735.704s)
  hex dump (first 32 bytes):
    00 5a f2 7d d0 8d ff ff 00 5a f2 7d d0 8d ff ff  .Z.}.....Z.}....
    00 00 00 00 00 00 00 00 5d 8e 4e b9 ff ff ff ff  ........].N.....
  backtrace:
    [<ffffffffb81a74be>] __kmem_cache_alloc_node+0x22e/0x2b0
    [<ffffffffb8127b6e>] kmalloc_trace+0x2e/0xa0
    [<ffffffffb8754292>] class_register+0x32/0x140
    [<ffffffffb87543f4>] class_create+0x44/0x80
    [<ffffffffb8880d24>] usb_register_dev+0x1d4/0x2e0
    [<ffffffffc03d7bab>] hiddev_connect+0x11b/0x1b0 [usbhid]
    [<ffffffffc03b6d4e>] hid_connect+0xde/0x580 [hid]
    [<ffffffffc03b724c>] hid_hw_start+0x4c/0x70 [hid]
    [<ffffffffc0388092>] hid_generic_probe+0x32/0x40 [hid_generic]
    [<ffffffffc03b7450>] hid_device_probe+0x100/0x170 [hid]
    [<ffffffffb8752082>] really_probe+0x1b2/0x420
    [<ffffffffb875237e>] __driver_probe_device+0x7e/0x170
    [<ffffffffb87524a3>] driver_probe_device+0x23/0xa0
    [<ffffffffb87525c2>] __device_attach_driver+0x92/0x120
    [<ffffffffb874f9da>] bus_for_each_drv+0x8a/0xe0
    [<ffffffffb8752ad1>] __device_attach+0xc1/0x1f0