BUG: memory leak
unreferenced object 0xffff888111168340 (size 64):
  comm "kworker/1:1", pid 35, jiffies 4294942368 (age 13.320s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000e690fb2c>] kmalloc include/linux/slab.h:557 [inline]
    [<00000000e690fb2c>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<00000000327704e2>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<000000003a06275f>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<000000003a06275f>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<000000009f5a10cf>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<000000007b8f1c32>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<000000005a7e8e87>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<000000006aa8aeac>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<00000000bb199250>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<00000000e1818d2a>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<00000000b3016178>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000c9e4d91a>] device_add+0x5be/0xc30 drivers/base/core.c:3109
    [<0000000075b580d5>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<00000000afb75af9>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<000000006ef7489c>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<000000007b8f1c32>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<000000005a7e8e87>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740

BUG: memory leak
unreferenced object 0xffff888111168380 (size 64):
  comm "kworker/1:1", pid 35, jiffies 4294942368 (age 13.320s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000e690fb2c>] kmalloc include/linux/slab.h:557 [inline]
    [<00000000e690fb2c>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<00000000327704e2>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<000000003a06275f>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<000000003a06275f>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<000000009f5a10cf>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<000000007b8f1c32>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<000000005a7e8e87>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<000000006aa8aeac>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<00000000bb199250>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<00000000e1818d2a>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<00000000b3016178>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000c9e4d91a>] device_add+0x5be/0xc30 drivers/base/core.c:3109
    [<0000000075b580d5>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<00000000afb75af9>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<000000006ef7489c>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<000000007b8f1c32>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<000000005a7e8e87>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740

BUG: memory leak
unreferenced object 0xffff8881111683c0 (size 64):
  comm "kworker/1:1", pid 35, jiffies 4294942368 (age 13.320s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000e690fb2c>] kmalloc include/linux/slab.h:557 [inline]
    [<00000000e690fb2c>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<00000000327704e2>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<000000003a06275f>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<000000003a06275f>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<000000009f5a10cf>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<000000007b8f1c32>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<000000005a7e8e87>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<000000006aa8aeac>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<00000000bb199250>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<00000000e1818d2a>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<00000000b3016178>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000c9e4d91a>] device_add+0x5be/0xc30 drivers/base/core.c:3109
    [<0000000075b580d5>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<00000000afb75af9>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<000000006ef7489c>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<000000007b8f1c32>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<000000005a7e8e87>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740