------------[ cut here ]------------ WARNING: CPU: 1 PID: 4334 at net/bluetooth/hci_conn.c:683 hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:683 Modules linked in: CPU: 1 PID: 4334 Comm: kworker/u5:2 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 Workqueue: hci4 hci_conn_timeout pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:683 lr : hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:683 sp : ffff800022107b60 x29: ffff800022107b60 x28: 0000000000000001 x27: ffff0000d75d4330 x26: 0000000000000002 x25: ffff0000d5d92800 x24: ffff0000c4b7e000 x23: ffff0000d75d4036 x22: dfff800000000000 x21: 00000000ffffffff x20: ffff0000d75d4000 x19: ffff0000d75d4330 x18: 1fffe00033c1c97e x17: 0000000000000000 x16: ffff800011bcec98 x15: 0000000000000000 x14: 0000000000000001 x13: 1fffe00033c1c9a3 x12: 0000000000000000 x11: ff00800010da4278 x10: 0000000000000000 x9 : ffff800010da4278 x8 : ffff0000d3850000 x7 : 0000000000277dd8 x6 : 0000000000277d70 x5 : ffff8000221074b8 x4 : ffff8000164f98b8 x3 : ffff800008542ee8 x2 : 0000000000000001 x1 : 00000000ffffffff x0 : 0000000000000000 Call trace: hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:683 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 5322 hardirqs last enabled at (5321): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (5322): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (5256): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (5256): [] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624 softirqs last disabled at (5147): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- Bluetooth: hci2: command 0x0406 tx timeout