BUG: memory leak
unreferenced object 0xffff888043c27dc0 (size 224):
  comm "syz-executor.3", pid 7840, jiffies 4295858582 (age 546.302s)
  hex dump (first 32 bytes):
    c0 e3 e3 41 80 88 ff ff 68 11 57 0c 80 88 ff ff  ...A....h.W.....
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000976d3bb1>] __alloc_skb+0x6d/0x620 net/core/skbuff.c:198
    [<00000000343f5ad1>] alloc_skb include/linux/skbuff.h:1094 [inline]
    [<00000000343f5ad1>] bt_skb_alloc include/net/bluetooth/bluetooth.h:389 [inline]
    [<00000000343f5ad1>] vhci_get_user drivers/bluetooth/hci_vhci.c:165 [inline]
    [<00000000343f5ad1>] vhci_write+0xc0/0x450 drivers/bluetooth/hci_vhci.c:285
    [<0000000021654603>] call_write_iter include/linux/fs.h:1903 [inline]
    [<0000000021654603>] new_sync_write+0x427/0x650 fs/read_write.c:518
    [<000000007f3e550e>] vfs_write+0x759/0xa50 fs/read_write.c:605
    [<0000000057bd2b23>] ksys_write+0x12d/0x250 fs/read_write.c:658
    [<00000000f94b6d29>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<0000000014c38625>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88800c571000 (size 1024):
  comm "kworker/u5:6", pid 316, jiffies 4295858583 (age 546.301s)
  hex dump (first 32 bytes):
    00 00 a2 42 80 88 ff ff 00 63 ec 41 80 88 ff ff  ...B.....c.A....
    fd 03 00 00 00 00 00 00 00 06 00 00 00 00 00 00  ................
  backtrace:
    [<000000009dee4b26>] kmalloc include/linux/slab.h:552 [inline]
    [<000000009dee4b26>] kzalloc include/linux/slab.h:664 [inline]
    [<000000009dee4b26>] l2cap_conn_add.part.0+0x60/0xdc0 net/bluetooth/l2cap_core.c:7707
    [<0000000073784f45>] l2cap_conn_add net/bluetooth/l2cap_core.c:7700 [inline]
    [<0000000073784f45>] l2cap_recv_acldata+0x578/0x8e0 net/bluetooth/l2cap_core.c:8288
    [<000000004c52cbb5>] hci_acldata_packet net/bluetooth/hci_core.c:4752 [inline]
    [<000000004c52cbb5>] hci_rx_work+0x4b7/0xb80 net/bluetooth/hci_core.c:4943
    [<00000000c18ed9c2>] process_one_work+0x9ac/0x1580 kernel/workqueue.c:2270
    [<000000009ba98ad9>] worker_thread+0x61d/0x1310 kernel/workqueue.c:2416
    [<000000000fb919e9>] kthread+0x38f/0x470 kernel/kthread.c:292
    [<0000000014863310>] ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:296

BUG: leak checking failed