Warning: Permanently added '10.128.1.14' (ECDSA) to the list of known hosts. executing program [ 34.322662][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 34.682756][ T12] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 34.693760][ T12] usb 1-1: config 1 interface 1 altsetting 1 bulk endpoint 0x82 has invalid maxpacket 0 [ 34.703534][ T12] usb 1-1: config 1 interface 1 altsetting 1 bulk endpoint 0x3 has invalid maxpacket 0 [ 34.872735][ T12] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 34.881819][ T12] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 34.889846][ T12] usb 1-1: Product: syz [ 34.894031][ T12] usb 1-1: Manufacturer: syz [ 34.898601][ T12] usb 1-1: SerialNumber: syz [ 36.042743][ T12] cdc_ncm 1-1:1.0: MAC-Address: 42:42:42:42:42:42 [ 36.049295][ T12] cdc_ncm 1-1:1.0: dwNtbInMaxSize=158 is too small. Using 2048 [ 36.056904][ T12] cdc_ncm 1-1:1.0: setting rx_max = 2048 executing program [ 36.272710][ T12] cdc_ncm 1-1:1.0: setting tx_max = 16384 [ 36.278640][ T12] divide error: 0000 [#1] SMP KASAN [ 36.283893][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0+ #0 [ 36.290939][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.301004][ T12] Workqueue: usb_hub_wq hub_event [ 36.306020][ T12] RIP: 0010:cdc_ncm_update_rxtx_max+0xc6e/0xef0 [ 36.312239][ T12] Code: e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 35 02 00 00 0f b7 5b 04 81 e3 ff 07 00 00 e8 89 6a f4 fd 31 d2 44 89 e0 31 ff f3 41 89 d5 89 d6 e8 e6 6b f4 fd 45 85 ed 0f 85 17 f7 ff ff e8 [ 36.331828][ T12] RSP: 0018:ffff8881da20f020 EFLAGS: 00010246 [ 36.337875][ T12] RAX: 0000000000004000 RBX: 0000000000000000 RCX: 0000000000000001 [ 36.345839][ T12] RDX: 0000000000000000 RSI: ffffffff8349d217 RDI: 0000000000000000 [ 36.353807][ T12] RBP: ffff8881d909aa80 R08: ffff8881da1f9800 R09: ffffed103b645d58 [ 36.361769][ T12] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: 0000000000004000 [ 36.369885][ T12] R13: 0000000000000000 R14: ffff8881d2cc5fc0 R15: ffff8881d2c67900 [ 36.377839][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 36.386748][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.393313][ T12] CR2: 00007f45a36c6000 CR3: 00000001d5d09000 CR4: 00000000001406f0 [ 36.401270][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.409224][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.417172][ T12] Call Trace: [ 36.420445][ T12] ? cdc_ncm_select_altsetting+0x1a0/0x1a0 [ 36.426240][ T12] cdc_ncm_bind_common+0x1005/0x2570 [ 36.431503][ T12] ? cdc_ncm_align_tail+0x1b0/0x1b0 [ 36.436677][ T12] ? lockdep_init_map+0x1b0/0x5e0 [ 36.441681][ T12] cdc_ncm_bind+0x7c/0x1c0 [ 36.446086][ T12] ? cdc_ncm_bind_common+0x2570/0x2570 [ 36.451532][ T12] usbnet_probe+0xb43/0x23cf [ 36.456108][ T12] usb_probe_interface+0x305/0x7a0 [ 36.461245][ T12] ? usb_probe_device+0x100/0x100 [ 36.466250][ T12] really_probe+0x281/0x6d0 [ 36.470738][ T12] driver_probe_device+0x104/0x210 [ 36.475918][ T12] __device_attach_driver+0x1c2/0x220 [ 36.481286][ T12] ? driver_allows_async_probing+0x160/0x160 [ 36.487240][ T12] bus_for_each_drv+0x162/0x1e0 [ 36.492076][ T12] ? bus_rescan_devices+0x20/0x20 [ 36.497079][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 36.502877][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 36.508140][ T12] __device_attach+0x217/0x360 [ 36.512877][ T12] ? device_bind_driver+0xd0/0xd0 [ 36.517876][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 36.523138][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 36.528395][ T12] bus_probe_device+0x1e4/0x290 [ 36.533281][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 36.539330][ T12] device_add+0xae6/0x16f0 [ 36.543741][ T12] ? uevent_store+0x50/0x50 [ 36.548226][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 36.554033][ T12] usb_set_configuration+0xdf6/0x1670 [ 36.559386][ T12] generic_probe+0x9d/0xd5 [ 36.563778][ T12] usb_probe_device+0x99/0x100 [ 36.568528][ T12] ? usb_suspend+0x620/0x620 [ 36.573098][ T12] really_probe+0x281/0x6d0 [ 36.577579][ T12] driver_probe_device+0x104/0x210 [ 36.582677][ T12] __device_attach_driver+0x1c2/0x220 [ 36.588038][ T12] ? driver_allows_async_probing+0x160/0x160 [ 36.593995][ T12] bus_for_each_drv+0x162/0x1e0 [ 36.598819][ T12] ? bus_rescan_devices+0x20/0x20 [ 36.603824][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 36.609605][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 36.614916][ T12] __device_attach+0x217/0x360 [ 36.619659][ T12] ? device_bind_driver+0xd0/0xd0 [ 36.624657][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 36.629917][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 36.635192][ T12] bus_probe_device+0x1e4/0x290 [ 36.640020][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 36.645886][ T12] device_add+0xae6/0x16f0 [ 36.650276][ T12] ? uevent_store+0x50/0x50 [ 36.654757][ T12] usb_new_device.cold+0x6a4/0xe79 [ 36.659849][ T12] hub_event+0x1b5c/0x3640 [ 36.664242][ T12] ? hub_port_debounce+0x260/0x260 [ 36.669345][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 36.674866][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 36.680127][ T12] process_one_work+0x92b/0x1530 [ 36.685055][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 36.690417][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 36.695419][ T12] worker_thread+0x96/0xe20 [ 36.699896][ T12] ? process_one_work+0x1530/0x1530 [ 36.705068][ T12] kthread+0x318/0x420 [ 36.709113][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 36.714461][ T12] ret_from_fork+0x24/0x30 [ 36.718851][ T12] Modules linked in: [ 36.723006][ T12] ---[ end trace a0a01949ff75e1ac ]--- [ 36.728462][ T12] RIP: 0010:cdc_ncm_update_rxtx_max+0xc6e/0xef0 [ 36.734710][ T12] Code: e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 0f 85 35 02 00 00 0f b7 5b 04 81 e3 ff 07 00 00 e8 89 6a f4 fd 31 d2 44 89 e0 31 ff f3 41 89 d5 89 d6 e8 e6 6b f4 fd 45 85 ed 0f 85 17 f7 ff ff e8 [ 36.754329][ T12] RSP: 0018:ffff8881da20f020 EFLAGS: 00010246 [ 36.760382][ T12] RAX: 0000000000004000 RBX: 0000000000000000 RCX: 0000000000000001 [ 36.768365][ T12] RDX: 0000000000000000 RSI: ffffffff8349d217 RDI: 0000000000000000 [ 36.776350][ T12] RBP: ffff8881d909aa80 R08: ffff8881da1f9800 R09: ffffed103b645d58 [ 36.784357][ T12] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: 0000000000004000 [ 36.792322][ T12] R13: 0000000000000000 R14: ffff8881d2cc5fc0 R15: ffff8881d2c67900 [ 36.800306][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 36.809246][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.815839][ T12] CR2: 00007f45a36c6000 CR3: 00000001d5d09000 CR4: 00000000001406f0 [ 36.823848][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.831803][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.839779][ T12] Kernel panic - not syncing: Fatal exception [ 36.846441][ T12] Kernel Offset: disabled [ 36.850760][ T12] Rebooting in 86400 seconds..