Bluetooth: hci0: SCO packet for unknown connection handle 200
Bluetooth: hci0: ACL packet for unknown connection handle 185
Bluetooth: hci6: command 0x0406 tx timeout
INFO: task kworker/1:2:64 blocked for more than 143 seconds.
      Not tainted 7.1.0-rc1-next-20260427 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D stack:26048 pid:64    tgid:64    ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_power_efficient reg_check_chans_work
Call Trace:
 <TASK>
 __schedule+0x10a9/0x4d00
 schedule+0xdb/0x390
 schedule_preempt_disabled+0x10/0x20
 __mutex_lock+0xe70/0x1d70
 reg_check_chans_work+0x98/0x1170
 process_one_work+0x970/0x1be0
 worker_thread+0x6e5/0xf60
 kthread+0x385/0x490
 ret_from_fork+0x651/0xa80
 ret_from_fork_asm+0x1a/0x30
 </TASK>
INFO: task kworker/1:2:64 is blocked on a mutex likely owned by task syz-executor.4:5607.
task:syz-executor.4  state:R  running task     stack:25400 pid:5607  tgid:5605  ppid:285    task_flags:0x400140 flags:0x00080032
Call Trace:
 <TASK>
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/u8:0/11:
 #0: ffff888010011940 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x1397/0x1be0
 #1: ffff88800a6dfd18 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a3/0x1be0
 #2: ffffffff8669d0c0 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
1 lock held by khungtaskd/32:
 #0: ffffffff86027b40 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0
3 locks held by kworker/1:2/64:
 #0: ffff888009c69d40 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x1397/0x1be0
 #1: ffff88800af8fd18 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x8a3/0x1be0
 #2: ffffffff8669d0c0 (rtnl_mutex){+.+.}-{4:4}, at: reg_check_chans_work+0x98/0x1170
4 locks held by kworker/u8:1/67:
 #0: ffff88800a460140 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x1397/0x1be0
 #1: ffff88800aa97d18 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8a3/0x1be0
 #2: ffffffff8668ffc8 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xba/0x8b0
 #3: ffffffff8669d0c0 (rtnl_mutex){+.+.}-{4:4}, at: ops_undo_list+0x7c9/0xa50
3 locks held by systemd-journal/98:
2 locks held by in:imklog/175:
7 locks held by syz-executor.4/5607:

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