Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout INFO: task syz-executor.2:4182 blocked for more than 143 seconds. Tainted: G W 6.17.0-rc4-next-20250901 #1 Blocked by coredump. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:26392 pid:4182 tgid:4182 ppid:275 task_flags:0x40004c flags:0x00004000 Call Trace: __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 __x64_sys_exit_group+0x3e/0x50 x64_sys_call+0x18c5/0x18d0 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f185ce33b19 RSP: 002b:00007ffdf8865048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f185ce33b19 RDX: 00007f185cde672b RSI: ffffffffffffffbc RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000001b2cd24d68 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffdf8865130 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 in:imklog/198: 3 locks held by rs:main Q:Reg/199: #0: ffff88806ce36ed8 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x228/0x3590 #1: ffffffff85c1c760 (rcu_read_lock){....}-{1:3}, at: futex_ref_get+0x48/0x300 #2: ffff88801c168d58 (&sb->s_type->i_mutex_key#7){++++}-{4:4}, at: ext4_buffered_write_iter+0xab/0x430 =============================================