Bluetooth: hci4: command 0x0406 tx timeout
Bluetooth: hci0: command 0x0406 tx timeout
Bluetooth: hci1: command 0x0406 tx timeout
Bluetooth: hci2: command 0x0406 tx timeout
Bluetooth: hci6: command 0x0406 tx timeout
INFO: task syz-executor.2:3958 blocked for more than 143 seconds.
      Tainted: G        W           6.17.0-rc3-next-20250829 #1
      Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:28336 pid:3958  tgid:3956  ppid:278    task_flags:0x40044c flags:0x00004000
Call Trace:
 <TASK>
 __schedule+0xe7e/0x3590
 schedule+0xdb/0x390
 schedule_timeout+0x244/0x280
 do_wait_for_common+0x1b2/0x440
 wait_for_completion+0x4a/0x60
 exit_aio+0x2df/0x350
 mmput+0xcd/0x390
 do_exit+0x79d/0x2970
 do_group_exit+0xd3/0x2a0
 get_signal+0x2315/0x2340
 arch_do_signal_or_restart+0x80/0x790
 exit_to_user_mode_loop+0x8b/0x110
 do_syscall_64+0x2f7/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff780a9eb19
RSP: 002b:00007ff77e014218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007ff780bb1f68 RCX: 00007ff780a9eb19
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007ff780bb1f6c
RBP: 00007ff780bb1f60 R08: 000000000000000e R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 00007ff780bb1f6c
R13: 00007ffc3ced7acf R14: 00007ff77e014300 R15: 0000000000022000
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/32:
 #0: ffffffff85c1c760 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0
1 lock held by systemd-journal/97:
1 lock held by in:imklog/174:

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