------------[ cut here ]------------ WARNING: CPU: 0 PID: 4324 at net/bluetooth/hci_conn.c:668 hci_conn_timeout+0x1fc/0x418 net/bluetooth/hci_conn.c:668 Modules linked in: CPU: 0 PID: 4324 Comm: kworker/u5:2 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 Workqueue: hci2 hci_conn_timeout pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : hci_conn_timeout+0x1fc/0x418 net/bluetooth/hci_conn.c:668 lr : hci_conn_timeout+0x1fc/0x418 net/bluetooth/hci_conn.c:668 sp : ffff8000208f7b30 x29: ffff8000208f7b30 x28: ffff0000d6cc8800 x27: ffff0000d5af2330 x26: ffff0000d6bdde18 x25: 1fffe0001ad7bbc3 x24: dfff800000000000 x23: ffff0000c4ade000 x22: dfff800000000000 x21: 00000000ffffffff x20: ffff0000d5af2000 x19: ffff0000d5af2330 x18: 0000000000000000 x17: ffff80001835b000 x16: ffff80000804309c x15: ffff800017e3c000 x14: 0000000000000001 x13: 1fffe0001ab5e402 x12: 0000000000ff0100 x11: ff00800010c1b9c0 x10: 0000000000000000 x9 : ffff800010c1b9c0 x8 : ffff0000d1b39bc0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff80001837bd18 x4 : 0000000000000008 x3 : ffff800010c1b7fc x2 : 0000000000000000 x1 : 00000000ffffffff x0 : 0000000000000000 Call trace: hci_conn_timeout+0x1fc/0x418 net/bluetooth/hci_conn.c:668 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 3626 hardirqs last enabled at (3625): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (3625): [] _raw_spin_unlock_irq+0x3c/0x90 kernel/locking/spinlock.c:202 hardirqs last disabled at (3626): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3442): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (3442): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (3423): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout