BUG: memory leak
unreferenced object 0xffff8881106e2400 (size 64):
  comm "kworker/1:1", pid 35, jiffies 4294942262 (age 8.090s)
  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:
    [<000000006552caad>] kmalloc include/linux/slab.h:557 [inline]
    [<000000006552caad>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<0000000080bac034>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<000000008b1095db>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<000000008b1095db>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<000000003bf0c5c9>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<00000000a126bf0c>] really_probe+0x159/0x480 drivers/base/dd.c:561
    [<00000000e5976c50>] driver_probe_device+0x84/0x100 drivers/base/dd.c:745
    [<0000000072bf20db>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:851
    [<0000000064a4ca7a>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<00000000702e5588>] __device_attach+0x122/0x250 drivers/base/dd.c:919
    [<00000000e116e79e>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000165a7b74>] device_add+0x5be/0xc30 drivers/base/core.c:3091
    [<000000000dd937a3>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<00000000e54c6453>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<000000008af7953f>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<00000000a126bf0c>] really_probe+0x159/0x480 drivers/base/dd.c:561
    [<00000000e5976c50>] driver_probe_device+0x84/0x100 drivers/base/dd.c:745

BUG: memory leak
unreferenced object 0xffff8881106e2440 (size 64):
  comm "kworker/1:1", pid 35, jiffies 4294942262 (age 8.090s)
  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:
    [<000000006552caad>] kmalloc include/linux/slab.h:557 [inline]
    [<000000006552caad>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<0000000080bac034>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<000000008b1095db>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<000000008b1095db>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<000000003bf0c5c9>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<00000000a126bf0c>] really_probe+0x159/0x480 drivers/base/dd.c:561
    [<00000000e5976c50>] driver_probe_device+0x84/0x100 drivers/base/dd.c:745
    [<0000000072bf20db>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:851
    [<0000000064a4ca7a>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<00000000702e5588>] __device_attach+0x122/0x250 drivers/base/dd.c:919
    [<00000000e116e79e>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000165a7b74>] device_add+0x5be/0xc30 drivers/base/core.c:3091
    [<000000000dd937a3>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<00000000e54c6453>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<000000008af7953f>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<00000000a126bf0c>] really_probe+0x159/0x480 drivers/base/dd.c:561
    [<00000000e5976c50>] driver_probe_device+0x84/0x100 drivers/base/dd.c:745

BUG: memory leak
unreferenced object 0xffff888110939040 (size 64):
  comm "kworker/1:1", pid 35, jiffies 4294942262 (age 8.090s)
  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:
    [<000000006552caad>] kmalloc include/linux/slab.h:557 [inline]
    [<000000006552caad>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<0000000080bac034>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<000000008b1095db>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<000000008b1095db>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<000000003bf0c5c9>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<00000000a126bf0c>] really_probe+0x159/0x480 drivers/base/dd.c:561
    [<00000000e5976c50>] driver_probe_device+0x84/0x100 drivers/base/dd.c:745
    [<0000000072bf20db>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:851
    [<0000000064a4ca7a>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<00000000702e5588>] __device_attach+0x122/0x250 drivers/base/dd.c:919
    [<00000000e116e79e>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000165a7b74>] device_add+0x5be/0xc30 drivers/base/core.c:3091
    [<000000000dd937a3>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<00000000e54c6453>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<000000008af7953f>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<00000000a126bf0c>] really_probe+0x159/0x480 drivers/base/dd.c:561
    [<00000000e5976c50>] driver_probe_device+0x84/0x100 drivers/base/dd.c:745