------------[ cut here ]------------ WARNING: CPU: 1 PID: 4251 at net/bluetooth/hci_conn.c:612 hci_conn_timeout+0xf4/0x1e8 net/bluetooth/hci_conn.c:612 Modules linked in: CPU: 1 PID: 4251 Comm: kworker/u5:4 Not tainted 6.1.89-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: hci5 hci_conn_timeout pstate: 80401005 (Nzcv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--) pc : hci_conn_timeout+0xf4/0x1e8 net/bluetooth/hci_conn.c:612 lr : hci_conn_timeout+0xf4/0x1e8 net/bluetooth/hci_conn.c:612 sp : ffff80001df87b30 x29: ffff80001df87b30 x28: ffff0000f3659800 x27: ffff0000c4daa330 x26: ffff0000c0881418 x25: 1fffe00018110283 x24: dfff800000000000 x23: ffff0000c4b4c800 x22: dfff800000000000 x21: 00000000ffffffff x20: ffff0000c4daa330 x19: ffff0000c4daa000 x18: ffff80001df87880 x17: ffff8000188de000 x16: ffff8000084fae94 x15: ffff8000183c3f80 x14: 000000009963a08e x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800011352ec8 x8 : ffff0000c63d0000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000188fef98 x4 : 0000000000000008 x3 : ffff800011352e0c x2 : 0000000000000000 x1 : 00000000ffffffff x0 : 0000000000000000 Call trace: hci_conn_timeout+0xf4/0x1e8 net/bluetooth/hci_conn.c:612 process_one_work+0x7ac/0x1404 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: 6226 hardirqs last enabled at (6225): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (6225): [] _raw_spin_unlock_irq+0x3c/0x90 kernel/locking/spinlock.c:202 hardirqs last disabled at (6226): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (6148): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (6148): [] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (6133): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- Bluetooth: hci0: command tx timeout Bluetooth: hci5: unexpected event for opcode 0x2028