DUID 00:04:14:ea:69:2d:fc:f3:63:7c:fd:90:a5:52:1b:d2:c9:24 forked to background, child pid 3914 [ 34.431834][ T3915] 8021q: adding VLAN 0 to HW filter on device bond0 [ 34.442435][ T3915] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.218' (ED25519) to the list of known hosts. executing program syzkaller login: [ 57.077573][ T41] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 57.257587][ T41] usb 1-1: Using ep0 maxpacket: 32 [ 57.264661][ T41] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 57.275687][ T41] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 57.285479][ T41] usb 1-1: New USB device found, idVendor=10c4, idProduct=8acf, bcdDevice= 0.00 [ 57.294550][ T41] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 57.305129][ T41] usb 1-1: config 0 descriptor?? [ 57.718972][ T41] hid-u2fzero 0003:10C4:8ACF.0001: hidraw0: USB HID v0.00 Device [HID 10c4:8acf] on usb-dummy_hcd.0-1/input0 [ 57.731886][ T41] hid-u2fzero 0003:10C4:8ACF.0001: U2F Zero LED initialised [ 57.739630][ T41] general protection fault, probably for non-canonical address 0xdffffc0000000015: 0000 [#1] PREEMPT SMP KASAN [ 57.751364][ T41] KASAN: null-ptr-deref in range [0x00000000000000a8-0x00000000000000af] [ 57.759766][ T41] CPU: 1 PID: 41 Comm: kworker/1:1 Not tainted 6.1.119-syzkaller #0 [ 57.767719][ T41] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 57.777752][ T41] Workqueue: usb_hub_wq hub_event [ 57.782782][ T41] RIP: 0010:u2fzero_rng_read+0x27d/0x710 [ 57.788400][ T41] Code: 68 fd ff ff 4d 89 f5 49 c1 ed 03 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 82 19 c5 f9 bb a8 00 00 00 49 03 1e 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 e4 19 c5 f9 48 8d 84 24 80 00 00 [ 57.808010][ T41] RSP: 0018:ffffc90000b26720 EFLAGS: 00010202 [ 57.814054][ T41] RAX: 0000000000000015 RBX: 00000000000000a8 RCX: 0000000000000000 [ 57.822001][ T41] RDX: 000000000000003b RSI: 0000000000000000 RDI: ffff888027c26769 [ 57.829947][ T41] RBP: ffffc90000b268d0 R08: dffffc0000000000 R09: ffff888027c2672e [ 57.837896][ T41] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881473163e0 [ 57.845844][ T41] R13: 1ffff11028e62c06 R14: ffff888147316030 R15: dffffc0000000000 [ 57.853795][ T41] FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 57.862707][ T41] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.869276][ T41] CR2: 00007ffd37b03188 CR3: 0000000018dc1000 CR4: 00000000003506e0 [ 57.877244][ T41] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.885199][ T41] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.893152][ T41] Call Trace: [ 57.896416][ T41] [ 57.899333][ T41] ? __die_body+0x5e/0xa0 [ 57.903655][ T41] ? die_addr+0x95/0xc0 [ 57.907798][ T41] ? exc_general_protection+0x3ae/0x590 [ 57.913334][ T41] ? asm_exc_general_protection+0x22/0x30 [ 57.919046][ T41] ? u2fzero_rng_read+0x27d/0x710 [ 57.924056][ T41] ? u2fzero_brightness_set+0x2a0/0x2a0 [ 57.929585][ T41] ? mutex_lock_nested+0x10/0x10 [ 57.934510][ T41] ? u2fzero_brightness_set+0x2a0/0x2a0 [ 57.940039][ T41] add_early_randomness+0x78/0x140 [ 57.945139][ T41] hwrng_register+0x3a0/0x440 [ 57.949803][ T41] devm_hwrng_register+0x43/0xb0 [ 57.954728][ T41] u2fzero_probe+0x31a/0x410 [ 57.959302][ T41] ? hid_map_usage_clear+0x180/0x180 [ 57.964578][ T41] hid_device_probe+0x298/0x3a0 [ 57.969423][ T41] ? hid_uevent+0x310/0x310 [ 57.973911][ T41] really_probe+0x2ab/0xcb0 [ 57.978405][ T41] __driver_probe_device+0x1a2/0x3d0 [ 57.983676][ T41] driver_probe_device+0x50/0x420 [ 57.988687][ T41] __device_attach_driver+0x2cf/0x510 [ 57.994048][ T41] ? coredump_store+0x90/0x90 [ 57.998711][ T41] bus_for_each_drv+0x183/0x200 [ 58.003547][ T41] ? subsys_find_device_by_id+0x310/0x310 [ 58.009255][ T41] __device_attach+0x359/0x570 [ 58.014008][ T41] ? device_attach+0x20/0x20 [ 58.018582][ T41] ? kobject_uevent_env+0x54a/0x8c0 [ 58.023768][ T41] ? kobject_uevent_env+0x54a/0x8c0 [ 58.028950][ T41] bus_probe_device+0xba/0x1e0 [ 58.033698][ T41] ? device_add+0xab9/0xfd0 [ 58.038183][ T41] device_add+0xb48/0xfd0 [ 58.042509][ T41] hid_add_device+0x3a5/0x510 [ 58.047168][ T41] usbhid_probe+0xb2d/0xeb0 [ 58.051667][ T41] usb_probe_interface+0x5c0/0xaf0 [ 58.056768][ T41] ? usb_register_driver+0x3d0/0x3d0 [ 58.062036][ T41] really_probe+0x2ab/0xcb0 [ 58.066526][ T41] __driver_probe_device+0x1a2/0x3d0 [ 58.071796][ T41] driver_probe_device+0x50/0x420 [ 58.076805][ T41] __device_attach_driver+0x2cf/0x510 [ 58.082163][ T41] ? coredump_store+0x90/0x90 [ 58.086825][ T41] bus_for_each_drv+0x183/0x200 [ 58.091661][ T41] ? subsys_find_device_by_id+0x310/0x310 [ 58.097365][ T41] __device_attach+0x359/0x570 [ 58.102118][ T41] ? device_attach+0x20/0x20 [ 58.106694][ T41] ? kobject_uevent_env+0x54a/0x8c0 [ 58.111877][ T41] ? kobject_uevent_env+0x54a/0x8c0 [ 58.117062][ T41] bus_probe_device+0xba/0x1e0 [ 58.121812][ T41] ? device_add+0xab9/0xfd0 [ 58.126297][ T41] device_add+0xb48/0xfd0 [ 58.130613][ T41] usb_set_configuration+0x19dd/0x2020 [ 58.136060][ T41] usb_generic_driver_probe+0x84/0x140 [ 58.141501][ T41] usb_probe_device+0x130/0x260 [ 58.146337][ T41] ? usb_register_device_driver+0x240/0x240 [ 58.152219][ T41] really_probe+0x2ab/0xcb0 [ 58.156709][ T41] __driver_probe_device+0x1a2/0x3d0 [ 58.161978][ T41] driver_probe_device+0x50/0x420 [ 58.166988][ T41] __device_attach_driver+0x2cf/0x510 [ 58.172344][ T41] ? coredump_store+0x90/0x90 [ 58.177006][ T41] bus_for_each_drv+0x183/0x200 [ 58.181841][ T41] ? subsys_find_device_by_id+0x310/0x310 [ 58.187546][ T41] __device_attach+0x359/0x570 [ 58.192298][ T41] ? device_attach+0x20/0x20 [ 58.196874][ T41] ? kobject_uevent_env+0x54a/0x8c0 [ 58.202058][ T41] ? kobject_uevent_env+0x54a/0x8c0 [ 58.207241][ T41] bus_probe_device+0xba/0x1e0 [ 58.211990][ T41] ? device_add+0xab9/0xfd0 [ 58.216475][ T41] device_add+0xb48/0xfd0 [ 58.220789][ T41] usb_new_device+0xbdd/0x18f0 [ 58.225545][ T41] ? usb_disconnect+0x8c0/0x8c0 [ 58.230380][ T41] ? do_raw_spin_unlock+0x137/0x8a0 [ 58.235561][ T41] ? _raw_spin_unlock_irq+0x1f/0x40 [ 58.240744][ T41] ? lockdep_hardirqs_on+0x94/0x130 [ 58.245927][ T41] hub_event+0x2efe/0x5730 [ 58.250344][ T41] ? led_work+0x700/0x700 [ 58.254661][ T41] ? read_lock_is_recursive+0x10/0x10 [ 58.260020][ T41] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 58.265988][ T41] ? print_irqtrace_events+0x210/0x210 [ 58.271434][ T41] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 58.277312][ T41] ? do_raw_spin_unlock+0x137/0x8a0 [ 58.282493][ T41] ? process_one_work+0x7a9/0x11d0 [ 58.287587][ T41] process_one_work+0x8a9/0x11d0 [ 58.292521][ T41] ? worker_detach_from_pool+0x260/0x260 [ 58.298141][ T41] ? _raw_spin_lock_irqsave+0x120/0x120 [ 58.303673][ T41] ? kthread_data+0x4e/0xc0 [ 58.308166][ T41] ? wq_worker_running+0x97/0x190 [ 58.313176][ T41] worker_thread+0xa47/0x1200 [ 58.317842][ T41] ? _raw_spin_unlock+0x