Warning: Permanently added '10.128.0.165' (ED25519) to the list of known hosts. executing program [ 70.356550][ T1325] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 70.726668][ T1325] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 10 [ 70.742087][ T1325] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 70.756962][ T1325] usb 1-1: New USB device found, idVendor=10c4, idProduct=8acf, bcdDevice= 0.00 [ 70.768393][ T1325] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 70.782829][ T1325] usb 1-1: config 0 descriptor?? [ 71.273863][ T1325] hid-u2fzero 0003:10C4:8ACF.0001: hidraw0: USB HID v0.00 Device [HID 10c4:8acf] on usb-dummy_hcd.0-1/input0 [ 71.290714][ T1325] hid-u2fzero 0003:10C4:8ACF.0001: U2F Zero LED initialised [ 71.299081][ T1325] general protection fault, probably for non-canonical address 0xdffffc0000000015: 0000 [#1] PREEMPT SMP KASAN [ 71.313463][ T1325] KASAN: null-ptr-deref in range [0x00000000000000a8-0x00000000000000af] [ 71.323480][ T1325] CPU: 0 PID: 1325 Comm: kworker/0:3 Not tainted 5.15.184-syzkaller #0 [ 71.332533][ T1325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 71.343240][ T1325] Workqueue: usb_hub_wq hub_event [ 71.348571][ T1325] RIP: 0010:u2fzero_rng_read+0x1fc/0x680 [ 71.354325][ T1325] Code: 43 80 7c 3d 00 00 74 08 48 89 df e8 3e ca 60 fa 41 bf a8 00 00 00 4c 03 3b 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ff e8 96 ca 60 fa 48 8d 44 24 60 49 89 07 [ 71.376251][ T1325] RSP: 0018:ffffc90004ebe800 EFLAGS: 00010202 [ 71.383831][ T1325] RAX: 0000000000000015 RBX: ffff8881421d4030 RCX: dffffc0000000000 [ 71.393268][ T1325] RDX: 000000000000003b RSI: 0000000000000000 RDI: ffff88802aae6169 [ 71.403314][ T1325] RBP: ffffc90004ebe998 R08: 0000000000000001 R09: ffff88802aae612e [ 71.414378][ T1325] R10: ffffed100555cc2d R11: 1ffff1100555cc25 R12: ffff8881421d4388 [ 71.424950][ T1325] R13: 1ffff1102843a806 R14: 1ffff1102843a805 R15: 00000000000000a8 [ 71.436534][ T1325] FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 [ 71.447144][ T1325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.456290][ T1325] CR2: 00005573b32f9e80 CR3: 000000007e752000 CR4: 00000000003506f0 [ 71.467134][ T1325] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.477073][ T1325] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.488019][ T1325] Call Trace: [ 71.492240][ T1325] [ 71.495536][ T1325] ? u2fzero_brightness_set+0x290/0x290 [ 71.502190][ T1325] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 71.508863][ T1325] ? mutex_lock_io_nested+0x60/0x60 [ 71.514278][ T1325] ? __mutex_unlock_slowpath+0x19e/0x6a0 [ 71.520286][ T1325] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 71.526288][ T1325] ? _raw_spin_unlock+0x40/0x40 [ 71.531453][ T1325] ? u2fzero_brightness_set+0x290/0x290 [ 71.537124][ T1325] add_early_randomness+0x7a/0x150 [ 71.542255][ T1325] hwrng_register+0x42d/0x4b0 [ 71.547782][ T1325] devm_hwrng_register+0x43/0xb0 [ 71.553179][ T1325] u2fzero_probe+0x26e/0x2f0 [ 71.558084][ T1325] ? twinhan_input_mapping+0x2210/0x2210 [ 71.564278][ T1325] hid_device_probe+0x271/0x360 [ 71.569455][ T1325] ? hid_uevent+0x340/0x340 [ 71.575151][ T1325] really_probe+0x284/0xc80 [ 71.580412][ T1325] __driver_probe_device+0x18c/0x330 [ 71.586418][ T1325] driver_probe_device+0x4f/0x420 [ 71.591517][ T1325] __device_attach_driver+0x2b0/0x500 [ 71.596906][ T1325] ? deferred_probe_work_func+0x230/0x230 [ 71.602861][ T1325] bus_for_each_drv+0x175/0x200 [ 71.607711][ T1325] ? _raw_spin_unlock+0x40/0x40 [ 71.613111][ T1325] ? subsys_find_device_by_id+0x350/0x350 [ 71.619099][ T1325] __device_attach+0x29b/0x460 [ 71.623900][ T1325] ? device_attach+0x20/0x20 [ 71.628661][ T1325] ? kobject_uevent_env+0x371/0x890 [ 71.634504][ T1325] bus_probe_device+0xbc/0x1e0 [ 71.640019][ T1325] ? device_add+0x97c/0xfb0 [ 71.645046][ T1325] device_add+0xa00/0xfb0 [ 71.649565][ T1325] hid_add_device+0x389/0x530 [ 71.654347][ T1325] usbhid_probe+0xb92/0xf40 [ 71.658969][ T1325] usb_probe_interface+0x5a0/0xaf0 [ 71.664235][ T1325] ? usb_register_driver+0x3d0/0x3d0 [ 71.669841][ T1325] really_probe+0x284/0xc80 [ 71.674363][ T1325] __driver_probe_device+0x18c/0x330 [ 71.679655][ T1325] driver_probe_device+0x4f/0x420 [ 71.684889][ T1325] __device_attach_driver+0x2b0/0x500 [ 71.690356][ T1325] ? deferred_probe_work_func+0x230/0x230 [ 71.696199][ T1325] bus_for_each_drv+0x175/0x200 [ 71.701410][ T1325] ? _raw_spin_unlock+0x40/0x40 [ 71.706698][ T1325] ? subsys_find_device_by_id+0x350/0x350 [ 71.712551][ T1325] __device_attach+0x29b/0x460 [ 71.717911][ T1325] ? kobject_uevent_env+0x371/0x890 [ 71.723457][ T1325] ? device_attach+0x20/0x20 [ 71.728417][ T1325] ? kobject_uevent_env+0x371/0x890 [ 71.733624][ T1325] bus_probe_device+0xbc/0x1e0 [ 71.738757][ T1325] ? device_add+0x97c/0xfb0 [ 71.743289][ T1325] device_add+0xa00/0xfb0 [ 71.747697][ T1325] usb_set_configuration+0x1991/0x1fd0 [ 71.753253][ T1325] usb_generic_driver_probe+0x89/0x150 [ 71.759168][ T1325] usb_probe_device+0x139/0x270 [ 71.764055][ T1325] ? usb_register_device_driver+0x230/0x230 [ 71.770297][ T1325] really_probe+0x284/0xc80 [ 71.774912][ T1325] __driver_probe_device+0x18c/0x330 [ 71.780347][ T1325] driver_probe_device+0x4f/0x420 [ 71.785527][ T1325] __device_attach_driver+0x2b0/0x500 [ 71.791021][ T1325] ? deferred_probe_work_func+0x230/0x230 [ 71.796904][ T1325] bus_for_each_drv+0x175/0x200 [ 71.801885][ T1325] ? _raw_spin_unlock+0x40/0x40 [ 71.806772][ T1325] ? subsys_find_device_by_id+0x350/0x350 [ 71.812693][ T1325] ? lockdep_hardirqs_on+0x94/0x140 [ 71.818113][ T1325] __device_attach+0x29b/0x460 [ 71.823185][ T1325] ? device_attach+0x20/0x20 [ 71.827875][ T1325] ? kobject_uevent_env+0x371/0x890 [ 71.833264][ T1325] bus_probe_device+0xbc/0x1e0 [ 71.838037][ T1325] ? device_add+0x97c/0xfb0 [ 71.842608][ T1325] device_add+0xa00/0xfb0 [ 71.847554][ T1325] usb_new_device+0xd53/0x1640 [ 71.853488][ T1325] ? lock_chain_count+0x20/0x20 [ 71.859069][ T1325] ? usb_disconnect+0x8a0/0x8a0 [ 71.864375][ T1325] ? _raw_spin_unlock_irq+0x1f/0x40 [ 71.870140][ T1325] ? lockdep_hardirqs_on+0x94/0x140 [ 71.876155][ T1325] hub_event+0x295c/0x4fa0 [ 71.880741][ T1325] ? led_work+0x6e0/0x6e0 [ 71.885341][ T1325] ? read_lock_is_recursive+0x10/0x10 [ 71.890908][ T1325] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 71.897048][ T1325] ? _raw_spin_unlock+0x40/0x40 [ 71.902234][ T1325] ? _raw_spin_unlock_irq+0x1f/0x40 [ 71.908254][ T1325] process_one_work+0x863/0x1000 [ 71.913515][ T1325] ? worker_detach_from_pool+0x240/0x240 [ 71.919162][ T1325] ? lockdep_hardirqs_off+0x70/0x100 [ 71.924472][ T1325] ? _raw_spin_lock_irq+0xab/0xe0 [ 71.929887][ T1325] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 71.935438][ T1325] ? wq_worker_running+0x97/0x170 [ 71.940841][ T1325] worker_thread+0xaa8/0x12a0 [ 71.946035][ T1325] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 71.952381][ T1325] ? lockdep_hardirqs_on+0x94/0x140 [ 71.957694][ T1325] ? lockdep_hardirqs_on+0x94/0x140 [ 71.963058][ T1325] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 71.969219][ T1325] kthread+0x436/0x520 [ 71.974744][ T1325] ? rcu_l