Bluetooth: hci6: Ignoring HCI_Connection_Complete for existing connection
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4304 at net/bluetooth/hci_conn.c:667 hci_conn_timeout+0x208/0x428 net/bluetooth/hci_conn.c:667
Modules linked in:
CPU: 0 PID: 4304 Comm: kworker/u5:3 Not tainted 6.1.134-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: hci6 hci_conn_timeout
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : hci_conn_timeout+0x208/0x428 net/bluetooth/hci_conn.c:667
lr : hci_conn_timeout+0x208/0x428 net/bluetooth/hci_conn.c:667
sp : ffff800021707b30
x29: ffff800021707b30 x28: ffff0000c4b4c800 x27: ffff0000d10de330
x26: ffff0000c0866618 x25: ffff0000c0866610 x24: dfff800000000000
x23: 1fffe0001c8d5201 x22: dfff800000000000 x21: 00000000ffffffff
x20: ffff0000d10de000 x19: ffff0000d10de330 x18: 0000000000000000
x17: ffff80019e26e000 x16: ffff8000084f3ce0 x15: 0000000000010000
x14: 1ffff00002b600b2 x13: dfff800000000000 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800011514600
x8 : ffff0000d9925340 x7 : ffff800008226a7c x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800011514430
x2 : 0000000000000000 x1 : 00000000ffffffff x0 : 0000000000000000
Call trace:
 hci_conn_timeout+0x208/0x428 net/bluetooth/hci_conn.c:667
 process_one_work+0x804/0x1484 kernel/workqueue.c:2292
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
irq event stamp: 26146
hardirqs last  enabled at (26145): [<ffff80001240f484>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (26145): [<ffff80001240f484>] _raw_spin_unlock_irq+0x3c/0x90 kernel/locking/spinlock.c:202
hardirqs last disabled at (26146): [<ffff80001232684c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (25686): [<ffff8000081c40ac>] softirq_handle_end kernel/softirq.c:421 [inline]
softirqs last  enabled at (25686): [<ffff8000081c40ac>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:606
softirqs last disabled at (25559): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:612
---[ end trace 0000000000000000 ]---