BUG: memory leak
unreferenced object 0xffff8881148adf00 (size 192):
  comm "kworker/0:0", pid 8588, jiffies 4295045621 (age 9.750s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 18 df 8a 14 81 88 ff ff  ................
  backtrace:
    [<ffffffff82be0016>] kmalloc include/linux/slab.h:561 [inline]
    [<ffffffff82be0016>] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74
    [<ffffffff82faf908>] zr364xx_start_readpipe+0x78/0x130 drivers/media/usb/zr364xx/zr364xx.c:1022
    [<ffffffff842af6bb>] zr364xx_board_init drivers/media/usb/zr364xx/zr364xx.c:1383 [inline]
    [<ffffffff842af6bb>] zr364xx_probe+0x6a3/0x851 drivers/media/usb/zr364xx/zr364xx.c:1516
    [<ffffffff82be7727>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
    [<ffffffff82625c49>] really_probe+0x159/0x500 drivers/base/dd.c:576
    [<ffffffff8262607b>] driver_probe_device+0x8b/0x100 drivers/base/dd.c:763
    [<ffffffff826267a6>] __device_attach_driver+0xf6/0x120 drivers/base/dd.c:870
    [<ffffffff82622b37>] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431
    [<ffffffff82626322>] __device_attach+0x122/0x260 drivers/base/dd.c:938
    [<ffffffff826247d6>] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491
    [<ffffffff82620bf5>] device_add+0x5d5/0xd70 drivers/base/core.c:3324
    [<ffffffff82be4cc9>] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164
    [<ffffffff82bf504c>] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238
    [<ffffffff82be6e8c>] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293
    [<ffffffff82625c49>] really_probe+0x159/0x500 drivers/base/dd.c:576
    [<ffffffff8262607b>] driver_probe_device+0x8b/0x100 drivers/base/dd.c:763