INFO: task syz-executor:12168 blocked for more than 143 seconds.
      Not tainted 6.15.0-rc5-syzkaller-00130-g12f4ee312c95 #0
      Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22776 pid:12168 tgid:12168 ppid:1      task_flags:0x40014c flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767
 __schedule_loop kernel/sched/core.c:6845 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:6860
 schedule_timeout+0x9a/0x270 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common kernel/sched/completion.c:116 [inline]
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion+0x2bf/0x5d0 kernel/sched/completion.c:148
 __flush_work+0x9b9/0xbc0 kernel/workqueue.c:4244
 __cancel_work_sync+0xbe/0x110 kernel/workqueue.c:4364
 hidp_session_remove+0x62/0x260 net/bluetooth/hidp/core.c:1169
 l2cap_unregister_all_users net/bluetooth/l2cap_core.c:1747 [inline]
 l2cap_conn_del+0x23a/0x680 net/bluetooth/l2cap_core.c:1776
 hci_disconn_cfm include/net/bluetooth/hci_core.h:2068 [inline]
 hci_conn_hash_flush+0x10a/0x230 net/bluetooth/hci_conn.c:2534
 hci_dev_close_sync+0xaef/0x1330 net/bluetooth/hci_sync.c:5225
 hci_dev_do_close net/bluetooth/hci_core.c:483 [inline]
 hci_unregister_dev+0x206/0x500 net/bluetooth/hci_core.c:2678
 vhci_release+0x80/0xd0 drivers/bluetooth/hci_vhci.c:665
 __fput+0x449/0xa70 fs/file_table.c:465
 task_work_run+0x1d1/0x260 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x8d6/0x2550 kernel/exit.c:953
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
 __do_sys_exit_group kernel/exit.c:1113 [inline]
 __se_sys_exit_group kernel/exit.c:1111 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1111
 x64_sys_call+0x21ba/0x21c0 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd97758e969
RSP: 002b:00007ffc9b1c1c08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd97758e969
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
RBP: 00007fd9775ee8f0 R08: 00007ffc9b1bf9a7 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000003 R14: 00000000ffffffff R15: 00007ffc9b1c1dc0
 </TASK>
INFO: task khidpd_04580009:12438 blocked for more than 143 seconds.
      Not tainted 6.15.0-rc5-syzkaller-00130-g12f4ee312c95 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:khidpd_04580009 state:D
 stack:29576 pid:12438 tgid:12438 ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x16e2/0x4cd0 kernel/sched/core.c:6767
 __schedule_loop kernel/sched/core.c:6845 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:6860
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6917
 __mutex_lock_common kernel/locking/mutex.c:678 [inline]
 __mutex_lock+0x724/0xe80 kernel/locking/mutex.c:746
 l2cap_unregister_user+0x6a/0x1b0 net/bluetooth/l2cap_core.c:1727
 hidp_session_thread+0x3c9/0x410 net/bluetooth/hidp/core.c:1304
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/31:
 #0: 
ffffffff8df3b860
 (
rcu_read_lock
){....}-{1:3}
, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6764
4 locks held by kworker/u9:0/55:
 #0: 
ffff88806acfe148
 (
(wq_completion)hci6
#2
){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
){+.+.}-{0:0}, at: process_scheduled_works+0x9b1/0x17a0 kernel/workqueue.c:3319
 #1: ffffc9000121fc60 (
(work_completion)(&hdev->rx_work)
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3214 [inline]
, at: process_scheduled_works+0x9ec/0x17a0 kernel/workqueue.c:3319
 #2: 
ffff88807c37c078
 (
&hdev->lock
){+.+.}-{4:4}
, at: hci_remote_features_evt+0x9b/0x8e0 net/bluetooth/hci_event.c:3713
 #3: 
ffffffff8f45a208
 (
hci_cb_list_lock
){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2050 [inline]
){+.+.}-{4:4}, at: hci_remote_features_evt+0x516/0x8e0 net/bluetooth/hci_event.c:3747
4 locks held by kworker/u9:1/5141:
 #0: 
ffff88807e4e3148
 (
(wq_completion)hci8
#2
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3213 [inline]
, at: process_scheduled_works+0x9b1/0x17a0 kernel/workqueue.c:3319
 #1: ffffc9000fbc7c60 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline]
 #1: ffffc9000fbc7c60 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ec/0x17a0 kernel/workqueue.c:3319
 #2: ffff888058d90078 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x8e0 net/bluetooth/hci_event.c:3713
 #3: ffffffff8f45a208 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2050 [inline]
 #3: ffffffff8f45a208 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x516/0x8e0 net/bluetooth/hci_event.c:3747
2 locks held by getty/5592:
 #0: ffff88814decc0a0 (
&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900036bc2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 drivers/tty/n_tty.c:2222
3 locks held by kworker/0:3/5833:
4 locks held by kworker/u9:2/5834:
 #0: ffff888027071948 ((wq_completion)hci5#2){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
 #0: ffff888027071948 ((wq_completion)hci5#2){+.+.}-{0:0}, at: process_scheduled_works+0x9b1/0x17a0 kernel/workqueue.c:3319
 #1: ffffc90003fefc60 (
(work_completion)(&hdev->rx_work)
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3214 [inline]
, at: process_scheduled_works+0x9ec/0x17a0 kernel/workqueue.c:3319
 #2: 
ffff88805a030078
 (
&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x8e0 net/bluetooth/hci_event.c:3713
 #3: ffffffff8f45a208 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2050 [inline]
 #3: ffffffff8f45a208 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x516/0x8e0 net/bluetooth/hci_event.c:3747
4 locks held by kworker/u9:3/5836:
 #0: ffff88802df18948 ((wq_completion)hci7#2
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3213 [inline]
, at: process_scheduled_works+0x9b1/0x17a0 kernel/workqueue.c:3319
 #1: 
ffffc9000400fc60
 (
(work_completion)(&hdev->rx_work)
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3214 [inline]
, at: process_scheduled_works+0x9ec/0x17a0 kernel/workqueue.c:3319
 #2: 
ffff8880570bc078
 (
&hdev->lock
){+.+.}-{4:4}
, at: hci_remote_features_evt+0x9b/0x8e0 net/bluetooth/hci_event.c:3713
 #3: 
ffffffff8f45a208
 (
hci_cb_list_lock
){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2050 [inline]
){+.+.}-{4:4}, at: hci_remote_features_evt+0x516/0x8e0 net/bluetooth/hci_event.c:3747
4 locks held by kworker/u9:4/5837:
 #0: ffff88804e116948 ((wq_completion)hci10
#2
){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
){+.+.}-{0:0}, at: process_scheduled_works+0x9b1/0x17a0 kernel/workqueue.c:3319
 #1: ffffc9000402fc60 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline]
 #1: ffffc9000402fc60 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ec/0x17a0 kernel/workqueue.c:3319
 #2: 
ffff888057308078
 (
&hdev->lock
){+.+.}-{4:4}
, at: hci_remote_features_evt+0x9b/0x8e0 net/bluetooth/hci_event.c:3713
 #3: 
ffffffff8f45a208
 (
hci_cb_list_lock
){+.+.}-{4:4}
, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2050 [inline]
, at: hci_remote_features_evt+0x516/0x8e0 net/bluetooth/hci_event.c:3747
5 locks held by syz-executor/12168:
 #0: 
ffff8880673d4d80
 (
&hdev->req_lock
){+.+.}-{4:4}
, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
, at: hci_unregister_dev+0x1fe/0x500 net/bluetooth/hci_core.c:2678
 #1: 
ffff8880673d4078
 (
&hdev->lock
){+.+.}-{4:4}
, at: hci_dev_close_sync+0x66a/0x1330 net/bluetooth/hci_sync.c:5213
 #2: ffffffff8f45a208 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2065 [inline]
 #2: ffffffff8f45a208 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa1/0x230 net/bluetooth/hci_conn.c:2534
 #3: 
ffff88807b85e338 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x70/0x680 net/bluetooth/l2cap_core.c:1761
 #4: ffffffff8f482e90 (hidp_session_sem){++++}-{4:4}, at: hidp_session_remove+0x2c/0x260 net/bluetooth/hidp/core.c:1165
1 lock held by khidpd_04580009/12438:
 #0: ffff8880673d4078 (&hdev->lock){+.+.}-{4:4}, at: l2cap_unregister_user+0x6a/0x1b0 net/bluetooth/l2cap_core.c:1727
3 locks held by syz-executor/12442:
 #0: ffff888030dd8d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
 #0: ffff888030dd8d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x1fe/0x500 net/bluetooth/hci_core.c:2678
 #1: ffff888030dd8078 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x66a/0x1330 net/bluetooth/hci_sync.c:5213
 #2: ffffffff8f45a208 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2065 [inline]
 #2: ffffffff8f45a208 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa1/0x230 net/bluetooth/hci_conn.c:2534
3 locks held by syz-executor/12446:
 #0: ffff8880293c0d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
 #0: ffff8880293c0d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x1fe/0x500 net/bluetooth/hci_core.c:2678
 #1: ffff8880293c0078 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x66a/0x1330 net/bluetooth/hci_sync.c:5213
 #2: ffffffff8f45a208 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2065 [inline]
 #2: ffffffff8f45a208 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xa1/0x230 net/bluetooth/hci_conn.c:2534
1 lock held by syz.0.1774/12911:
 #0: ffffffff8f482e90 (hidp_session_sem){++++}-{4:4}
, at: hidp_get_connlist+0x97/0x2b0 net/bluetooth/hidp/core.c:1423
1 lock held by syz.5.1822/13176:
 #0: 
ffff88807c37c078
 (
&hdev->lock
){+.+.}-{4:4}
, at: l2cap_chan_connect+0x102/0xe30 net/bluetooth/l2cap_core.c:6955
4 locks held by kworker/u9:5/13302:
 #0: 
ffff88804a383948
 (
(wq_completion)hci9
#2
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3213 [inline]
, at: process_scheduled_works+0x9b1/0x17a0 kernel/workqueue.c:3319
 #1: 
ffffc900051e7c60
 (
(work_completion)(&hdev->rx_work)
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3214 [inline]
, at: process_scheduled_works+0x9ec/0x17a0 kernel/workqueue.c:3319
 #2: 
ffff88807d068078
 (
&hdev->lock
){+.+.}-{4:4}
, at: hci_remote_features_evt+0x9b/0x8e0 net/bluetooth/hci_event.c:3713
 #3: ffffffff8f45a208 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2050 [inline]
 #3: ffffffff8f45a208 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x516/0x8e0 net/bluetooth/hci_event.c:3747
4 locks held by kworker/u9:7/13574:
 #0: ffff88805b50e948 ((wq_completion)hci11#2){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
 #0: ffff88805b50e948 ((wq_completion)hci11#2){+.+.}-{0:0}, at: process_scheduled_works+0x9b1/0x17a0 kernel/workqueue.c:3319
 #1: ffffc90003667c60 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3214 [inline]
 #1: ffffc90003667c60 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ec/0x17a0 kernel/workqueue.c:3319
 #2: ffff888049214078 (&hdev->lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x9b/0x8e0 net/bluetooth/hci_event.c:3713
 #3: ffffffff8f45a208
 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2050 [inline]
 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_remote_features_evt+0x516/0x8e0 net/bluetooth/hci_event.c:3747
4 locks held by kworker/u9:9/13599:
 #0: ffff888063f71148 ((wq_completion)hci12#2){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3213 [inline]
 #0: ffff888063f71148 ((wq_completion)hci12#2){+.+.}-{0:0}, at: process_scheduled_works+0x9b1/0x17a0 kernel/workqueue.c:3319
 #1: ffffc90003e6fc60 (
(work_completion)(&hdev->rx_work)
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3214 [inline]
, at: process_scheduled_works+0x9ec/0x17a0 kernel/workqueue.c:3319
 #2: 
ffff88806a684078
 (
&hdev->lock
){+.+.}-{4:4}
, at: hci_remote_features_evt+0x9b/0x8e0 net/bluetooth/hci_event.c:3713
 #3: 
ffffffff8f45a208
 (
hci_cb_list_lock
){+.+.}-{4:4}
, at: hci_connect_cfm include/net/bluetooth/hci_core.h:2050 [inline]
, at: hci_remote_features_evt+0x516/0x8e0 net/bluetooth/hci_event.c:3747
1 lock held by syz.6.1979/13723:
 #0: 
ffff88807d068078
 (
&hdev->lock
){+.+.}-{4:4}
, at: l2cap_chan_connect+0x102/0xe30 net/bluetooth/l2cap_core.c:6955

=============================================

NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-rc5-syzkaller-00130-g12f4ee312c95 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x39e/0x3d0 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:274 [inline]
 watchdog+0xfee/0x1030 kernel/hung_task.c:437
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5833 Comm: kworker/0:3 Not tainted 6.15.0-rc5-syzkaller-00130-g12f4ee312c95 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
Workqueue: events hidp_session_dev_work
RIP: 0010:io_serial_in+0x77/0xc0 drivers/tty/serial/8250/8250_port.c:409
Code: e8 5e 1f 82 fc 44 89 f9 d3 e3 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 cf 13 e4 fc 41 03 1e 89 da ec <0f> b6 c0 5b 41 5c 41 5e 41 5f c3 cc cc cc cc cc 44 89 f9 80 e1 07
RSP: 0018:ffffc90003fdec90 EFLAGS: 00000002
RAX: 1ffffffff3369700 RBX: 00000000000003fd RCX: 0000000000000000
RDX: 00000000000003fd RSI: 0000000000000000 RDI: 0000000000000020
RBP: ffffffff99b4be50 R08: ffff8880240a8237 R09: 1ffff11004815046
R10: dffffc0000000000 R11: ffffffff853db0a0 R12: dffffc0000000000
R13: 0000000000000000 R14: ffffffff99b4bbc0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881260cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2471974420 CR3: 0000000032236000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 serial_in drivers/tty/serial/8250/8250.h:137 [inline]
 serial_lsr_in drivers/tty/serial/8250/8250.h:159 [inline]
 wait_for_lsr+0x19e/0x2f0 drivers/tty/serial/8250/8250_port.c:2098
 fifo_wait_for_lsr drivers/tty/serial/8250/8250_port.c:3348 [inline]
 serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3371 [inline]
 serial8250_console_write+0x134c/0x1ba0 drivers/tty/serial/8250/8250_port.c:3456
 console_emit_next_record kernel/printk/printk.c:3138 [inline]
 console_flush_all+0x725/0xc40 kernel/printk/printk.c:3226
 __console_flush_and_unlock kernel/printk/printk.c:3285 [inline]
 console_unlock+0xc4/0x270 kernel/printk/printk.c:3325
 vprintk_emit+0x5b7/0x7a0 kernel/printk/printk.c:2450
 dev_vprintk_emit+0x337/0x3f0 drivers/base/core.c:4917
 dev_printk_emit+0xe0/0x130 drivers/base/core.c:4928
 _dev_warn+0x10a/0x160 drivers/base/core.c:4984
 hid_parser_main+0x8b8/0xc40 drivers/hid/hid-core.c:-1
 hid_open_report+0x858/0xee0 drivers/hid/hid-core.c:1328
 hid_parse include/linux/hid.h:1126 [inline]
 hid_generic_probe+0x3d/0x90 drivers/hid/hid-generic.c:66
 __hid_device_probe drivers/hid/hid-core.c:2717 [inline]
 hid_device_probe+0x397/0x710 drivers/hid/hid-core.c:2754
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x26a/0x9a0 drivers/base/dd.c:657
 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:799
 driver_probe_device+0x4f/0x430 drivers/base/dd.c:829
 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:957
 bus_for_each_drv+0x24e/0x2e0 drivers/base/bus.c:462
 __device_attach+0x2b8/0x400 drivers/base/dd.c:1029
 bus_probe_device+0x185/0x260 drivers/base/bus.c:537
 device_add+0x7b6/0xb50 drivers/base/core.c:3692
 hid_add_device+0x398/0x540 drivers/hid/hid-core.c:2900
 hidp_session_dev_add net/bluetooth/hidp/core.c:856 [inline]
 hidp_session_dev_work+0x45/0x160 net/bluetooth/hidp/core.c:895
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>