------------[ cut here ]------------ WARNING: CPU: 1 PID: 47 at net/bluetooth/hci_conn.c:667 hci_conn_timeout+0x1fc/0x424 net/bluetooth/hci_conn.c:667 Modules linked in: CPU: 1 PID: 47 Comm: kworker/u5:0 Not tainted 6.1.138-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: hci3 hci_conn_timeout pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hci_conn_timeout+0x1fc/0x424 net/bluetooth/hci_conn.c:667 lr : hci_conn_timeout+0x1fc/0x424 net/bluetooth/hci_conn.c:667 sp : ffff80001cdb7b30 x29: ffff80001cdb7b30 x28: ffff0000d5d2e400 x27: ffff0000d3426330 x26: ffff0000c498ac18 x25: 1fffe00018931583 x24: dfff800000000000 x23: ffff0000c4b27800 x22: dfff800000000000 x21: 00000000ffffffff x20: ffff0000d3426000 x19: ffff0000d3426330 x18: ffff800011a7bd00 x17: ffff8000181a0000 x16: ffff800008042940 x15: ffff800017c80fc0 x14: ffff0000c4eba658 x13: 0000000000000000 x12: 0000000000ff0100 x11: ff00800010b1f5c0 x10: 0000000000000000 x9 : ffff800010b1f5c0 x8 : ffff0000c4eb9bc0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000181c1290 x4 : 0000000000000008 x3 : ffff800010b1f3fc x2 : 0000000000000000 x1 : 00000000ffffffff x0 : 0000000000000000 Call trace: hci_conn_timeout+0x1fc/0x424 net/bluetooth/hci_conn.c:667 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc 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: 16058 hardirqs last enabled at (16057): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (16057): [] _raw_spin_unlock_irq+0x3c/0x90 kernel/locking/spinlock.c:202 hardirqs last disabled at (16058): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (15948): [] softirq_handle_end kernel/softirq.c:421 [inline] softirqs last enabled at (15948): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:606 softirqs last disabled at (15939): [] __do_softirq+0x14/0x20 kernel/softirq.c:612 ---[ end trace 0000000000000000 ]--- Bluetooth: hci2: command 0x040f tx timeout Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci1: command 0x040f tx timeout Bluetooth: hci1: command 0x0419 tx timeout