syzbot

BUG: memory leak
unreferenced object 0xffff888144683800 (size 2048):
  comm "syz-executor188", pid 5025, jiffies 4294944167 (age 23.500s)
  hex dump (first 32 bytes):
    d8 ec a9 0d 81 88 ff ff 22 01 00 00 00 00 ad de  ........".......
    00 00 00 00 aa aa aa aa aa 00 00 aa aa aa aa aa  ................
  backtrace:
    [<ffffffff81574a15>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1117
    [<ffffffff8451dcbf>] kmalloc include/linux/slab.h:599 [inline]
    [<ffffffff8451dcbf>] kzalloc include/linux/slab.h:720 [inline]
    [<ffffffff8451dcbf>] hci_conn_add+0x4f/0x5e0 net/bluetooth/hci_conn.c:957
    [<ffffffff8451e4e8>] hci_connect_acl+0x1c8/0x1e0 net/bluetooth/hci_conn.c:1641
    [<ffffffff8452134b>] hci_connect_sco+0x4b/0x520 net/bluetooth/hci_conn.c:1694
    [<ffffffff84593813>] sco_connect net/bluetooth/sco.c:266 [inline]
    [<ffffffff84593813>] sco_sock_connect+0x1c3/0x520 net/bluetooth/sco.c:591
    [<ffffffff83e8a6e1>] __sys_connect_file+0x91/0xb0 net/socket.c:2050
    [<ffffffff83e8a7e6>] __sys_connect+0xe6/0x110 net/socket.c:2067
    [<ffffffff83e8a82c>] __do_sys_connect net/socket.c:2077 [inline]
    [<ffffffff83e8a82c>] __se_sys_connect net/socket.c:2074 [inline]
    [<ffffffff83e8a82c>] __x64_sys_connect+0x1c/0x20 net/socket.c:2074
    [<ffffffff84b2b548>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84b2b548>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888109059e00 (size 512):
  comm "kworker/u5:2", pid 5022, jiffies 4294944667 (age 18.500s)
  hex dump (first 32 bytes):
    00 38 68 44 81 88 ff ff 40 9c 34 09 81 88 ff ff  .8hD....@.4.....
    fd 03 00 00 00 00 00 00 00 06 0c 00 00 00 00 00  ................
  backtrace:
    [<ffffffff81574a15>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1117
    [<ffffffff8455892d>] kmalloc include/linux/slab.h:599 [inline]
    [<ffffffff8455892d>] kzalloc include/linux/slab.h:720 [inline]
    [<ffffffff8455892d>] l2cap_conn_add.part.0+0x3d/0x340 net/bluetooth/l2cap_core.c:7845
    [<ffffffff84566504>] l2cap_conn_add net/bluetooth/l2cap_core.c:71 [inline]
    [<ffffffff84566504>] l2cap_connect_cfm+0x264/0x740 net/bluetooth/l2cap_core.c:8242
    [<ffffffff845218c3>] hci_connect_cfm include/net/bluetooth/hci_core.h:1935 [inline]
    [<ffffffff845218c3>] hci_conn_failed+0xa3/0x120 net/bluetooth/hci_conn.c:1251
    [<ffffffff8458aba1>] hci_abort_conn_sync+0x261/0x6e0 net/bluetooth/hci_sync.c:5428
    [<ffffffff8451b45d>] abort_conn_sync+0x7d/0xa0 net/bluetooth/hci_conn.c:2910
    [<ffffffff8458153d>] hci_cmd_sync_work+0xcd/0x150 net/bluetooth/hci_sync.c:306
    [<ffffffff812c8d5d>] process_one_work+0x23d/0x530 kernel/workqueue.c:2630
    [<ffffffff812c9987>] process_scheduled_works kernel/workqueue.c:2703 [inline]
    [<ffffffff812c9987>] worker_thread+0x327/0x590 kernel/workqueue.c:2784
    [<ffffffff812d6dcb>] kthread+0x12b/0x170 kernel/kthread.c:388
    [<ffffffff8114a335>] ret_from_fork+0x45/0x50 arch/x86/kernel/process.c:147
    [<ffffffff81002be1>] ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304