------------[ cut here ]------------ WARNING: CPU: 1 PID: 4329 at net/bluetooth/hci_conn.c:683 hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:683 Modules linked in: CPU: 1 PID: 4329 Comm: kworker/u5:1 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 Workqueue: hci3 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 : ffff800021157b60 x29: ffff800021157b60 x28: 0000000000000001 x27: ffff0000d676c330 x26: 0000000000000002 x25: ffff0000da7b0c00 x24: ffff0000c4bbf800 x23: ffff0000d676c036 x22: dfff800000000000 x21: 00000000ffffffff x20: ffff0000d676c000 x19: ffff0000d676c330 x18: 1fffe00033e6db7e x17: ffff80018a057000 x16: ffff8000082dd284 x15: 000000000004ffff x14: 0000000000000001 x13: 1ffff00002ab1a0c x12: 0000000000000000 x11: ff00800010d908e0 x10: 0000000000000000 x9 : ffff800010d908e0 x8 : ffff0000c3953800 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000188c5350 x4 : 0000000000000008 x3 : 0000000000000000 x2 : 0000000000000006 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: 10824 hardirqs last enabled at (10823): [] console_trylock_spinning+0x1ac/0x2d8 kernel/printk/printk.c:1930 hardirqs last disabled at (10824): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (9960): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (9960): [] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624 softirqs last disabled at (9757): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- Bluetooth: hci2: command 0x0406 tx timeout