syzbot

INFO: task syz-executor.2:5332 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc3-syzkaller-00044-g2ccbdf43d5e7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:20736 pid:5332  tgid:5332  ppid:1      flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557
 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+0x355/0x620 kernel/sched/completion.c:148
 __flush_work+0xaa9/0xd00 kernel/workqueue.c:4211
 __cancel_work_sync+0xbc/0x110 kernel/workqueue.c:4331
 l2cap_conn_del+0x52d/0x680 net/bluetooth/l2cap_core.c:1798
 hci_disconn_cfm include/net/bluetooth/hci_core.h:1985 [inline]
 hci_conn_hash_flush+0xff/0x240 net/bluetooth/hci_conn.c:2584
 hci_dev_close_sync+0x911/0xf60 net/bluetooth/hci_sync.c:5062
 hci_dev_do_close net/bluetooth/hci_core.c:556 [inline]
 hci_unregister_dev+0x1db/0x4e0 net/bluetooth/hci_core.c:2760
 vhci_release+0x83/0xd0 drivers/bluetooth/hci_vhci.c:666
 __fput+0x406/0x8b0 fs/file_table.c:422
 task_work_run+0x24f/0x310 kernel/task_work.c:180