BUG: memory leak
unreferenced object 0xffff88810fa43e00 (size 512):
  comm "kworker/1:1", pid 34, jiffies 4294943476 (age 8.600s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 ff ff ff ff ff ff ff ff  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000aa45ac6b>] kmalloc include/linux/slab.h:552 [inline]
    [<00000000aa45ac6b>] kzalloc include/linux/slab.h:682 [inline]
    [<00000000aa45ac6b>] pcan_usb_fd_init+0x181/0x210 drivers/net/can/usb/peak_usb/pcan_usb_fd.c:873
    [<00000000e5bd5025>] peak_usb_create_dev drivers/net/can/usb/peak_usb/pcan_usb_core.c:851 [inline]
    [<00000000e5bd5025>] peak_usb_probe+0x389/0x490 drivers/net/can/usb/peak_usb/pcan_usb_core.c:949
    [<0000000026ec6205>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<00000000785470ae>] really_probe+0x159/0x480 drivers/base/dd.c:554
    [<00000000be5a2505>] driver_probe_device+0x84/0x100 drivers/base/dd.c:738
    [<000000002410f154>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:844
    [<00000000d536a8c1>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<000000000cf92234>] __device_attach+0x122/0x250 drivers/base/dd.c:912
    [<000000006141a840>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000e77c59e2>] device_add+0x5ac/0xc30 drivers/base/core.c:2936
    [<00000000962209e9>] usb_set_configuration+0x9de/0xb90 drivers/usb/core/message.c:2159
    [<0000000075d9347c>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<00000000d5bd719a>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<00000000785470ae>] really_probe+0x159/0x480 drivers/base/dd.c:554
    [<00000000be5a2505>] driver_probe_device+0x84/0x100 drivers/base/dd.c:738
    [<000000002410f154>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:844