INFO: task syz-executor.3:5364 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc1-next-20240531-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D
 stack:21024 pid:5364  tgid:5364  ppid:1      flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5192 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
 kobject_uevent_net_broadcast+0x280/0x580 lib/kobject_uevent.c:410
 kobject_uevent_env+0x57d/0x8e0 lib/kobject_uevent.c:593
 device_del+0x7db/0x9b0 drivers/base/core.c:3928
 device_unregister+0x20/0xc0 drivers/base/core.c:3951
 hci_conn_cleanup net/bluetooth/hci_conn.c:176 [inline]
 hci_conn_del+0x8c4/0xc40 net/bluetooth/hci_conn.c:1154
 hci_conn_hash_flush+0x18e/0x240 net/bluetooth/hci_conn.c:2585
 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:2757
 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
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa27/0x28e0 kernel/exit.c:874
 do_group_exit+0x207/0x2c0 kernel/exit.c:1023
 get_signal+0x16a1/0x1740 kernel/signal.c:2909
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9568e7ebdc
RSP: 002b:00007fff8cbdd340 EFLAGS: 00000293
 ORIG_RAX: 000000000000002c
RAX: 0000000000000038 RBX: 00007f9569ae4620 RCX: 00007f9568e7ebdc
RDX: 0000000000000038 RSI: 00007f9569ae4670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007fff8cbdd394 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003