------------[ cut here ]------------ WARNING: CPU: 1 PID: 4335 at net/bluetooth/hci_conn.c:691 hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:691 Modules linked in: CPU: 1 PID: 4335 Comm: kworker/u5:2 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 Workqueue: hci1 hci_conn_timeout pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:691 lr : hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:691 sp : ffff800022137b60 x29: ffff800022137b60 x28: 0000000000000001 x27: ffff0000d6f5a330 x26: 0000000000000002 x25: ffff0000d40cd800 x24: ffff0000c4f9a000 x23: ffff0000d6f5a036 x22: dfff800000000000 x21: 00000000ffffffff x20: ffff0000d6f5a000 x19: ffff0000d6f5a330 x18: 1fffe00033c2597e x17: 0000000000000000 x16: ffff8000082de324 x15: 0000000000000000 x14: 0000000000000001 x13: 1ffff00004426e94 x12: 0000000000000000 x11: ff00800010d6f9bc x10: 0000000000000000 x9 : ffff800010d6f9bc x8 : ffff0000d410d400 x7 : 0000000000355cc0 x6 : 0000000000355c80 x5 : ffff8000221374b8 x4 : ffff8000164a4018 x3 : ffff80000831ff30 x2 : 0000000000000001 x1 : 00000000ffffffff x0 : 0000000000000000 Call trace: hci_conn_timeout+0x204/0x41c net/bluetooth/hci_conn.c:691 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:854 irq event stamp: 6114 hardirqs last enabled at (6113): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (6114): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (4330): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (4330): [] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624 softirqs last disabled at (4295): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- Bluetooth: hci3: command 0x0406 tx timeout