BUG: memory leak unreferenced object 0xffff8881107ee800 (size 1024): comm "kworker/0:2", pid 3809, jiffies 4294944318 (age 13.870s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 98 67 0b 81 88 ff ff ..........g..... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000ce48529d>] kmalloc include/linux/slab.h:552 [inline] [<00000000ce48529d>] kzalloc include/linux/slab.h:682 [inline] [<00000000ce48529d>] nci_hci_allocate+0x21/0xd0 net/nfc/nci/hci.c:784 [<00000000c9523c55>] nci_allocate_device net/nfc/nci/core.c:1170 [inline] [<00000000c9523c55>] nci_allocate_device+0x10b/0x160 net/nfc/nci/core.c:1132 [<000000008398034f>] nfcmrvl_nci_register_dev+0x10a/0x1c0 drivers/nfc/nfcmrvl/main.c:153 [<0000000079186960>] nfcmrvl_probe+0x223/0x290 drivers/nfc/nfcmrvl/usb.c:345 [<00000000fcede6e1>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [<000000005b3b80e5>] really_probe+0x159/0x480 drivers/base/dd.c:561 [<00000000e7e99ff4>] driver_probe_device+0x84/0x100 drivers/base/dd.c:745 [<000000006bdbd41c>] __device_attach_driver+0xee/0x110 drivers/base/dd.c:851 [<00000000ca05dd7f>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [<00000000112c0b8d>] __device_attach+0x122/0x250 drivers/base/dd.c:919 [<00000000f617353d>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491 [<00000000c32efd04>] device_add+0x5be/0xc30 drivers/base/core.c:3091 [<00000000e947683e>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 [<0000000053b13a32>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [<0000000064acb051>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [<000000005b3b80e5>] really_probe+0x159/0x480 drivers/base/dd.c:561