BUG: memory leak unreferenced object 0xffff88810b9a9d80 (size 128): comm "kworker/0:0", pid 5, jiffies 4294942200 (age 8.470s) hex dump (first 32 bytes): 00 89 e1 12 81 88 ff ff 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: [<000000003b163aca>] kmalloc include/linux/slab.h:552 [inline] [<000000003b163aca>] kzalloc include/linux/slab.h:682 [inline] [<000000003b163aca>] pcan_usb_fd_init+0x156/0x210 drivers/net/can/usb/peak_usb/pcan_usb_fd.c:868 [<000000009c073903>] peak_usb_create_dev drivers/net/can/usb/peak_usb/pcan_usb_core.c:851 [inline] [<000000009c073903>] peak_usb_probe+0x389/0x490 drivers/net/can/usb/peak_usb/pcan_usb_core.c:949 [<000000005341ca05>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<00000000189b57f6>] really_probe+0x159/0x4a0 drivers/base/dd.c:554 [<000000006fa5e6d1>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740 [<000000008f2ffa1a>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846 [<00000000e22d7263>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [<0000000058826cec>] __device_attach+0x122/0x250 drivers/base/dd.c:914 [<000000003dc6dbaa>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491 [<000000003a34d2cf>] device_add+0x5be/0xc30 drivers/base/core.c:3109 [<0000000042b24fe5>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 [<00000000f437fd22>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [<0000000067625213>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [<00000000189b57f6>] really_probe+0x159/0x4a0 drivers/base/dd.c:554 [<000000006fa5e6d1>] driver_probe_device+0x84/0x100 drivers/base/dd.c:740 [<000000008f2ffa1a>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:846