BUG: memory leak
unreferenced object 0xffff88810f1cd3c0 (size 64):
  comm "kworker/0:2", pid 4593, jiffies 4294942328 (age 14.630s)
  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:
    [<00000000fb5616d3>] kmalloc include/linux/slab.h:557 [inline]
    [<00000000fb5616d3>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<00000000aba0dcaf>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<000000001e6371da>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<000000001e6371da>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<0000000077dd2f6a>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<000000002c69ad97>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<00000000bcc9e38b>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<0000000089dd0161>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<0000000009d69711>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<0000000067d737b8>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<0000000052476400>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000cfbd8e55>] device_add+0x5be/0xc30 drivers/base/core.c:3109
    [<00000000652c6ca3>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<00000000103f8255>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<000000008ef5e466>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<000000002c69ad97>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<00000000bcc9e38b>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740

BUG: memory leak
unreferenced object 0xffff88810f1cd400 (size 64):
  comm "kworker/0:2", pid 4593, jiffies 4294942328 (age 14.630s)
  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:
    [<00000000fb5616d3>] kmalloc include/linux/slab.h:557 [inline]
    [<00000000fb5616d3>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<00000000aba0dcaf>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<000000001e6371da>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<000000001e6371da>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<0000000077dd2f6a>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<000000002c69ad97>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<00000000bcc9e38b>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<0000000089dd0161>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<0000000009d69711>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<0000000067d737b8>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<0000000052476400>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000cfbd8e55>] device_add+0x5be/0xc30 drivers/base/core.c:3109
    [<00000000652c6ca3>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<00000000103f8255>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<000000008ef5e466>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<000000002c69ad97>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<00000000bcc9e38b>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740

BUG: memory leak
unreferenced object 0xffff88810f1cd440 (size 64):
  comm "kworker/0:2", pid 4593, jiffies 4294942328 (age 14.630s)
  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:
    [<00000000fb5616d3>] kmalloc include/linux/slab.h:557 [inline]
    [<00000000fb5616d3>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<00000000aba0dcaf>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<000000001e6371da>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<000000001e6371da>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<0000000077dd2f6a>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<000000002c69ad97>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<00000000bcc9e38b>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<0000000089dd0161>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<0000000009d69711>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<0000000067d737b8>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<0000000052476400>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<00000000cfbd8e55>] device_add+0x5be/0xc30 drivers/base/core.c:3109
    [<00000000652c6ca3>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<00000000103f8255>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<000000008ef5e466>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<000000002c69ad97>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<00000000bcc9e38b>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740