Warning: Permanently added '10.128.0.198' (ECDSA) to the list of known hosts. executing program [ 27.362381][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 27.722459][ T12] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 27.733512][ T12] usb 1-1: config 1 interface 1 altsetting 1 bulk endpoint 0x82 has invalid maxpacket 0 [ 27.743431][ T12] usb 1-1: config 1 interface 1 altsetting 1 bulk endpoint 0x3 has invalid maxpacket 0 [ 27.912442][ T12] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 27.921670][ T12] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 27.929796][ T12] usb 1-1: Product: syz [ 27.933988][ T12] usb 1-1: Manufacturer: syz [ 27.938568][ T12] usb 1-1: SerialNumber: syz [ 29.082478][ T12] cdc_ncm 1-1:1.0: MAC-Address: 42:42:42:42:42:42 [ 29.089037][ T12] cdc_ncm 1-1:1.0: dwNtbInMaxSize=0 is too small. Using 2048 [ 29.096466][ T12] cdc_ncm 1-1:1.0: setting rx_max = 2048 [ 29.292416][ T12] divide error: 0000 [#1] SMP KASAN [ 29.297762][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0-rc7+ #0 [ 29.305303][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.317177][ T12] Workqueue: usb_hub_wq hub_event [ 29.322191][ T12] RIP: 0010:usbnet_update_max_qlen+0x231/0x370 [ 29.328330][ T12] Code: 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 46 01 00 00 48 8d bb f4 00 00 00 31 d2 b8 c8 63 01 00 48 89 f9 <48> f7 b3 a8 01 00 00 48 ba 00 00 00 00 00 fc ff df 48 c1 e9 03 0f [ 29.347907][ T12] RSP: 0018:ffff8881da20f010 EFLAGS: 00010246 [ 29.353948][ T12] RAX: 00000000000163c8 RBX: ffff8881d027f0c0 RCX: ffff8881d027f1b4 [ 29.361911][ T12] RDX: 0000000000000000 RSI: ffffffff8344ecde RDI: ffff8881d027f1b4 [ 29.369856][ T12] RBP: 0000000000000003 R08: ffff8881da1f9800 R09: ffffed103a04fcca [ 29.377946][ T12] R10: ffffed103a04fcc9 R11: ffff8881d027e64f R12: 0000000000000000 [ 29.385892][ T12] R13: ffff8881d027f238 R14: ffff8881d027f0c0 R15: ffff8881d07fca00 [ 29.393991][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 29.403688][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.410250][ T12] CR2: 00007fb5df4b7000 CR3: 00000001d5ce2000 CR4: 00000000001406f0 [ 29.418215][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.426161][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.434105][ T12] Call Trace: [ 29.437376][ T12] cdc_ncm_update_rxtx_max+0x8e9/0xef0 [ 29.442810][ T12] ? cdc_ncm_select_altsetting+0x1a0/0x1a0 [ 29.448585][ T12] cdc_ncm_bind_common+0x1005/0x2570 [ 29.453854][ T12] ? cdc_ncm_align_tail+0x1b0/0x1b0 [ 29.459032][ T12] ? __debug_object_init+0x47c/0xdd0 [ 29.464290][ T12] ? lockdep_init_map+0x1b0/0x5e0 [ 29.469286][ T12] cdc_ncm_bind+0x7c/0x1c0 [ 29.473677][ T12] ? cdc_ncm_bind_common+0x2570/0x2570 [ 29.479122][ T12] usbnet_probe+0xb43/0x23cf [ 29.483752][ T12] usb_probe_interface+0x305/0x7a0 [ 29.488837][ T12] ? usb_probe_device+0x100/0x100 [ 29.493842][ T12] really_probe+0x281/0x6d0 [ 29.498334][ T12] driver_probe_device+0x101/0x1b0 [ 29.503417][ T12] __device_attach_driver+0x1c2/0x220 [ 29.508769][ T12] ? driver_allows_async_probing+0x160/0x160 [ 29.514721][ T12] bus_for_each_drv+0x162/0x1e0 [ 29.519544][ T12] ? bus_rescan_devices+0x20/0x20 [ 29.524545][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 29.530332][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 29.535591][ T12] __device_attach+0x217/0x360 [ 29.540327][ T12] ? device_bind_driver+0xd0/0xd0 [ 29.545340][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 29.550598][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 29.555860][ T12] bus_probe_device+0x1e4/0x290 [ 29.560682][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 29.566547][ T12] device_add+0xae6/0x16f0 [ 29.570942][ T12] ? uevent_store+0x50/0x50 [ 29.575417][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 29.581202][ T12] usb_set_configuration+0xdf6/0x1670 [ 29.586552][ T12] generic_probe+0x9d/0xd5 [ 29.590939][ T12] usb_probe_device+0x99/0x100 [ 29.595674][ T12] ? usb_suspend+0x620/0x620 [ 29.600238][ T12] really_probe+0x281/0x6d0 [ 29.604721][ T12] driver_probe_device+0x101/0x1b0 [ 29.609835][ T12] __device_attach_driver+0x1c2/0x220 [ 29.615187][ T12] ? driver_allows_async_probing+0x160/0x160 [ 29.621136][ T12] bus_for_each_drv+0x162/0x1e0 [ 29.625965][ T12] ? bus_rescan_devices+0x20/0x20 [ 29.630963][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 29.636753][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 29.642016][ T12] __device_attach+0x217/0x360 [ 29.646749][ T12] ? device_bind_driver+0xd0/0xd0 [ 29.651745][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 29.657011][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 29.662277][ T12] bus_probe_device+0x1e4/0x290 [ 29.667100][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 29.672964][ T12] device_add+0xae6/0x16f0 [ 29.677352][ T12] ? uevent_store+0x50/0x50 [ 29.681831][ T12] usb_new_device.cold+0x6a4/0xe79 [ 29.686914][ T12] hub_event+0x1b5c/0x3640 [ 29.691303][ T12] ? hub_port_debounce+0x260/0x260 [ 29.696387][ T12] process_one_work+0x92b/0x1530 [ 29.701305][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.706655][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 29.711649][ T12] worker_thread+0x96/0xe20 [ 29.716125][ T12] ? process_one_work+0x1530/0x1530 [ 29.721292][ T12] kthread+0x318/0x420 [ 29.725333][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 29.730676][ T12] ret_from_fork+0x24/0x30 [ 29.735147][ T12] Modules linked in: [ 29.739088][ T12] ---[ end trace 0a50cee7e4045254 ]--- [ 29.744568][ T12] RIP: 0010:usbnet_update_max_qlen+0x231/0x370 [ 29.750707][ T12] Code: 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 46 01 00 00 48 8d bb f4 00 00 00 31 d2 b8 c8 63 01 00 48 89 f9 <48> f7 b3 a8 01 00 00 48 ba 00 00 00 00 00 fc ff df 48 c1 e9 03 0f [ 29.770324][ T12] RSP: 0018:ffff8881da20f010 EFLAGS: 00010246 [ 29.776392][ T12] RAX: 00000000000163c8 RBX: ffff8881d027f0c0 RCX: ffff8881d027f1b4 [ 29.784385][ T12] RDX: 0000000000000000 RSI: ffffffff8344ecde RDI: ffff8881d027f1b4 [ 29.792353][ T12] RBP: 0000000000000003 R08: ffff8881da1f9800 R09: ffffed103a04fcca [ 29.800302][ T12] R10: ffffed103a04fcc9 R11: ffff8881d027e64f R12: 0000000000000000 [ 29.808273][ T12] R13: ffff8881d027f238 R14: ffff8881d027f0c0 R15: ffff8881d07fca00 [ 29.816255][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 29.825191][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.831856][ T12] CR2: 00007fb5df4b7000 CR3: 00000001d5ce2000 CR4: 00000000001406f0 [ 29.839926][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.848040][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.856114][ T12] Kernel panic - not syncing: Fatal exception [ 29.863208][ T12] Kernel Offset: disabled [ 29.867531][ T12] Rebooting in 86400 seconds..