2019/07/01 18:06:07 executed programs: 158
BUG: memory leak
unreferenced object 0xffff88810c2b3480 (size 96):
  comm "syz-executor.5", pid 7705, jiffies 4294955105 (age 14.320s)
  hex dump (first 32 bytes):
    10 f0 e8 83 ff ff ff ff 88 34 2b 0c 81 88 ff ff  .........4+.....
    88 34 2b 0c 81 88 ff ff 00 00 00 00 00 00 00 00  .4+.............
  backtrace:
    [<000000006daf2291>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<000000006daf2291>] slab_post_alloc_hook mm/slab.h:439 [inline]
    [<000000006daf2291>] slab_alloc mm/slab.c:3326 [inline]
    [<000000006daf2291>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553
    [<000000005d0fe8ab>] kmalloc include/linux/slab.h:547 [inline]
    [<000000005d0fe8ab>] kzalloc include/linux/slab.h:742 [inline]
    [<000000005d0fe8ab>] class_dir_create_and_add drivers/base/core.c:1723 [inline]
    [<000000005d0fe8ab>] get_device_parent.isra.0+0x1a8/0x240 drivers/base/core.c:1787
    [<000000002a4feced>] device_add+0x136/0x890 drivers/base/core.c:2048
    [<000000006303d5d9>] hci_register_dev+0x166/0x380 net/bluetooth/hci_core.c:3305
    [<0000000004cac88a>] __vhci_create_device+0x10a/0x1f0 drivers/bluetooth/hci_vhci.c:124
    [<000000005544d482>] vhci_create_device drivers/bluetooth/hci_vhci.c:148 [inline]
    [<000000005544d482>] vhci_get_user drivers/bluetooth/hci_vhci.c:204 [inline]
    [<000000005544d482>] vhci_write+0x130/0x1f0 drivers/bluetooth/hci_vhci.c:284
    [<00000000ac3b4959>] call_write_iter include/linux/fs.h:1872 [inline]
    [<00000000ac3b4959>] new_sync_write+0x1ad/0x260 fs/read_write.c:483
    [<0000000044f2b891>] __vfs_write+0x87/0xa0 fs/read_write.c:496
    [<0000000000e7d7bf>] vfs_write fs/read_write.c:558 [inline]
    [<0000000000e7d7bf>] vfs_write+0xee/0x210 fs/read_write.c:542
    [<0000000053b5f70c>] ksys_write+0x7c/0x130 fs/read_write.c:611
    [<000000007cd7fa07>] __do_sys_write fs/read_write.c:623 [inline]
    [<000000007cd7fa07>] __se_sys_write fs/read_write.c:620 [inline]
    [<000000007cd7fa07>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620
    [<000000000c0fa0e3>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301
    [<000000008500a4ba>] entry_SYSCALL_64_after_hwframe+0x44/0xa9