BUG: memory leak unreferenced object 0xffff8881101ddcc0 (size 64): comm "kworker/0:2", pid 3638, jiffies 4294942309 (age 8.230s) 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: [<00000000c868ff13>] kmalloc include/linux/slab.h:557 [inline] [<00000000c868ff13>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134 [<00000000f15cfbec>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897 [<00000000efab881f>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline] [<00000000efab881f>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846 [<0000000051a1e2c9>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<00000000ce4570f2>] really_probe+0x159/0x4a0 drivers/base/dd.c:554 [<0000000069512e88>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740 [<00000000fb3b8633>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846 [<00000000dad5ddf6>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [<00000000fb1a00cd>] __device_attach+0x122/0x250 drivers/base/dd.c:914 [<000000000ccf5cfc>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491 [<00000000f609d53a>] device_add+0x5be/0xc30 drivers/base/core.c:3109 [<00000000e9b4047a>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 [<000000003146d3f2>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [<00000000f751c523>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [<00000000ce4570f2>] really_probe+0x159/0x4a0 drivers/base/dd.c:554 [<0000000069512e88>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740 BUG: memory leak unreferenced object 0xffff8881101ddd00 (size 64): comm "kworker/0:2", pid 3638, jiffies 4294942309 (age 8.230s) 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: [<00000000c868ff13>] kmalloc include/linux/slab.h:557 [inline] [<00000000c868ff13>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134 [<00000000f15cfbec>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897 [<00000000efab881f>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline] [<00000000efab881f>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846 [<0000000051a1e2c9>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<00000000ce4570f2>] really_probe+0x159/0x4a0 drivers/base/dd.c:554 [<0000000069512e88>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740 [<00000000fb3b8633>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846 [<00000000dad5ddf6>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [<00000000fb1a00cd>] __device_attach+0x122/0x250 drivers/base/dd.c:914 [<000000000ccf5cfc>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491 [<00000000f609d53a>] device_add+0x5be/0xc30 drivers/base/core.c:3109 [<00000000e9b4047a>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 [<000000003146d3f2>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [<00000000f751c523>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [<00000000ce4570f2>] really_probe+0x159/0x4a0 drivers/base/dd.c:554 [<0000000069512e88>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740 BUG: memory leak unreferenced object 0xffff8881101ddd40 (size 64): comm "kworker/0:2", pid 3638, jiffies 4294942309 (age 8.230s) 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: [<00000000c868ff13>] kmalloc include/linux/slab.h:557 [inline] [<00000000c868ff13>] hcd_buffer_alloc+0x149/0x190 drivers/usb/core/buffer.c:134 [<00000000f15cfbec>] usb_alloc_coherent+0x42/0x60 drivers/usb/core/usb.c:897 [<00000000efab881f>] mcba_usb_start drivers/net/can/usb/mcba_usb.c:644 [inline] [<00000000efab881f>] mcba_usb_probe+0x27b/0x430 drivers/net/can/usb/mcba_usb.c:846 [<0000000051a1e2c9>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<00000000ce4570f2>] really_probe+0x159/0x4a0 drivers/base/dd.c:554 [<0000000069512e88>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740 [<00000000fb3b8633>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846 [<00000000dad5ddf6>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [<00000000fb1a00cd>] __device_attach+0x122/0x250 drivers/base/dd.c:914 [<000000000ccf5cfc>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491 [<00000000f609d53a>] device_add+0x5be/0xc30 drivers/base/core.c:3109 [<00000000e9b4047a>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 [<000000003146d3f2>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [<00000000f751c523>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [<00000000ce4570f2>] really_probe+0x159/0x4a0 drivers/base/dd.c:554 [<0000000069512e88>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740