BUG: memory leak
unreferenced object 0xffff888110442280 (size 64):
  comm "kworker/1:2", pid 3265, jiffies 4294942337 (age 8.040s)
  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:
    [<000000005335f763>] kmalloc include/linux/slab.h:557 [inline]
    [<000000005335f763>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<00000000a79a0f5a>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<0000000013f8261f>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<0000000013f8261f>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<000000009aad697c>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<000000000df446c8>] really_probe+0x159/0x480 drivers/base/dd.c:561
    [<000000001c55feca>] driver_probe_device+0x84/0x100 drivers/base/dd.c:745
    [<00000000b4f3346f>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:851
    [<00000000b20f9a26>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<00000000efc93f96>] __device_attach+0x122/0x250 drivers/base/dd.c:919
    [<00000000d0573bb5>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000f568dc55>] device_add+0x5be/0xc30 drivers/base/core.c:3091
    [<00000000eed92938>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<0000000099bf0e42>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<000000006021e1ae>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<000000000df446c8>] really_probe+0x159/0x480 drivers/base/dd.c:561
    [<000000001c55feca>] driver_probe_device+0x84/0x100 drivers/base/dd.c:745

BUG: memory leak
unreferenced object 0xffff88811043d880 (size 64):
  comm "kworker/1:2", pid 3265, jiffies 4294942337 (age 8.040s)
  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:
    [<000000005335f763>] kmalloc include/linux/slab.h:557 [inline]
    [<000000005335f763>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<00000000a79a0f5a>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<0000000013f8261f>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<0000000013f8261f>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<000000009aad697c>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<000000000df446c8>] really_probe+0x159/0x480 drivers/base/dd.c:561
    [<000000001c55feca>] driver_probe_device+0x84/0x100 drivers/base/dd.c:745
    [<00000000b4f3346f>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:851
    [<00000000b20f9a26>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<00000000efc93f96>] __device_attach+0x122/0x250 drivers/base/dd.c:919
    [<00000000d0573bb5>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000f568dc55>] device_add+0x5be/0xc30 drivers/base/core.c:3091
    [<00000000eed92938>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<0000000099bf0e42>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<000000006021e1ae>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<000000000df446c8>] really_probe+0x159/0x480 drivers/base/dd.c:561
    [<000000001c55feca>] driver_probe_device+0x84/0x100 drivers/base/dd.c:745

BUG: memory leak
unreferenced object 0xffff88811043d8c0 (size 64):
  comm "kworker/1:2", pid 3265, jiffies 4294942337 (age 8.040s)
  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:
    [<000000005335f763>] kmalloc include/linux/slab.h:557 [inline]
    [<000000005335f763>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<00000000a79a0f5a>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<0000000013f8261f>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<0000000013f8261f>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<000000009aad697c>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<000000000df446c8>] really_probe+0x159/0x480 drivers/base/dd.c:561
    [<000000001c55feca>] driver_probe_device+0x84/0x100 drivers/base/dd.c:745
    [<00000000b4f3346f>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:851
    [<00000000b20f9a26>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<00000000efc93f96>] __device_attach+0x122/0x250 drivers/base/dd.c:919
    [<00000000d0573bb5>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000f568dc55>] device_add+0x5be/0xc30 drivers/base/core.c:3091
    [<00000000eed92938>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<0000000099bf0e42>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<000000006021e1ae>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<000000000df446c8>] really_probe+0x159/0x480 drivers/base/dd.c:561
    [<000000001c55feca>] driver_probe_device+0x84/0x100 drivers/base/dd.c:745