BUG: memory leak
unreferenced object 0xffff888110ffa2c0 (size 64):
  comm "kworker/0:1", pid 7, jiffies 4294942582 (age 13.530s)
  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:
    [<00000000379eabee>] kmalloc include/linux/slab.h:557 [inline]
    [<00000000379eabee>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<00000000e0261049>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<0000000013246449>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<0000000013246449>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<000000009b71b1ab>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<000000001ea62d17>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<000000000a8b17bf>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<0000000061b19e01>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<000000006e077b6c>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<000000003844d012>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<00000000a741feaa>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<000000002070aaa3>] device_add+0x5be/0xc30 drivers/base/core.c:3109
    [<0000000035acc240>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<000000005edf6e6e>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<00000000810ba063>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<000000001ea62d17>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<000000000a8b17bf>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740

BUG: memory leak
unreferenced object 0xffff888110c9c040 (size 64):
  comm "kworker/0:1", pid 7, jiffies 4294942582 (age 13.530s)
  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:
    [<00000000379eabee>] kmalloc include/linux/slab.h:557 [inline]
    [<00000000379eabee>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<00000000e0261049>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<0000000013246449>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<0000000013246449>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<000000009b71b1ab>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<000000001ea62d17>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<000000000a8b17bf>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<0000000061b19e01>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<000000006e077b6c>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<000000003844d012>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<00000000a741feaa>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<000000002070aaa3>] device_add+0x5be/0xc30 drivers/base/core.c:3109
    [<0000000035acc240>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<000000005edf6e6e>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<00000000810ba063>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<000000001ea62d17>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<000000000a8b17bf>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740

BUG: memory leak
unreferenced object 0xffff888110c9c080 (size 64):
  comm "kworker/0:1", pid 7, jiffies 4294942582 (age 13.530s)
  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:
    [<00000000379eabee>] kmalloc include/linux/slab.h:557 [inline]
    [<00000000379eabee>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134
    [<00000000e0261049>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897
    [<0000000013246449>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline]
    [<0000000013246449>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846
    [<000000009b71b1ab>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<000000001ea62d17>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<000000000a8b17bf>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740
    [<0000000061b19e01>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846
    [<000000006e077b6c>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<000000003844d012>] __device_attach+0x122/0x250 drivers/base/dd.c:914
    [<00000000a741feaa>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<000000002070aaa3>] device_add+0x5be/0xc30 drivers/base/core.c:3109
    [<0000000035acc240>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<000000005edf6e6e>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<00000000810ba063>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<000000001ea62d17>] really_probe+0x159/0x4a0 drivers/base/dd.c:554
    [<000000000a8b17bf>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740