Warning: Permanently added '10.128.15.212' (ECDSA) to the list of known hosts. executing program [ 22.173531][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 22.533616][ T12] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 22.544642][ T12] usb 1-1: config 1 interface 1 altsetting 1 bulk endpoint 0x82 has invalid maxpacket 0 [ 22.554595][ T12] usb 1-1: config 1 interface 1 altsetting 1 bulk endpoint 0x3 has invalid maxpacket 0 [ 22.723657][ T12] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 22.732699][ T12] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 22.740733][ T12] usb 1-1: Product: syz [ 22.744932][ T12] usb 1-1: Manufacturer: syz [ 22.749506][ T12] usb 1-1: SerialNumber: syz [ 23.893611][ T12] cdc_ncm 1-1:1.0: MAC-Address: 42:42:42:42:42:42 [ 23.900100][ T12] cdc_ncm 1-1:1.0: dwNtbInMaxSize=0 is too small. Using 2048 [ 23.907515][ T12] cdc_ncm 1-1:1.0: setting rx_max = 2048 [ 24.103543][ T12] divide error: 0000 [#1] SMP KASAN [ 24.108758][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0-rc7+ #0 [ 24.116139][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.126262][ T12] Workqueue: usb_hub_wq hub_event [ 24.131262][ T12] RIP: 0010:usbnet_update_max_qlen+0x231/0x370 [ 24.137387][ 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 [ 24.156963][ T12] RSP: 0018:ffff8881da20f010 EFLAGS: 00010246 [ 24.163009][ T12] RAX: 00000000000163c8 RBX: ffff8881d5bc4ec0 RCX: ffff8881d5bc4fb4 [ 24.170969][ T12] RDX: 0000000000000000 RSI: ffffffff8344ecde RDI: ffff8881d5bc4fb4 [ 24.178911][ T12] RBP: 0000000000000003 R08: ffff8881da1f9800 R09: ffffed103ab7888a [ 24.186853][ T12] R10: ffffed103ab78889 R11: ffff8881d5bc444f R12: 0000000000000000 [ 24.194796][ T12] R13: ffff8881d5bc5038 R14: ffff8881d5bc4ec0 R15: ffff8881d323f680 [ 24.202738][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 24.211638][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.218201][ T12] CR2: 00007f1c6ad57000 CR3: 00000001d387a000 CR4: 00000000001406f0 [ 24.226161][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.234103][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.242054][ T12] Call Trace: [ 24.245365][ T12] cdc_ncm_update_rxtx_max+0x8e9/0xef0 [ 24.250798][ T12] ? cdc_ncm_select_altsetting+0x1a0/0x1a0 [ 24.256587][ T12] cdc_ncm_bind_common+0x1005/0x2570 [ 24.261850][ T12] ? cdc_ncm_align_tail+0x1b0/0x1b0 [ 24.267021][ T12] ? __debug_object_init+0x47c/0xdd0 [ 24.272278][ T12] ? lockdep_init_map+0x1b0/0x5e0 [ 24.277287][ T12] cdc_ncm_bind+0x7c/0x1c0 [ 24.281693][ T12] ? cdc_ncm_bind_common+0x2570/0x2570 [ 24.287130][ T12] usbnet_probe+0xb43/0x23cf [ 24.291709][ T12] usb_probe_interface+0x305/0x7a0 [ 24.296798][ T12] ? usb_probe_device+0x100/0x100 [ 24.301800][ T12] really_probe+0x281/0x6d0 [ 24.306281][ T12] driver_probe_device+0x101/0x1b0 [ 24.311480][ T12] __device_attach_driver+0x1c2/0x220 [ 24.316935][ T12] ? driver_allows_async_probing+0x160/0x160 [ 24.322933][ T12] bus_for_each_drv+0x162/0x1e0 [ 24.327760][ T12] ? bus_rescan_devices+0x20/0x20 [ 24.332757][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 24.338576][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 24.343856][ T12] __device_attach+0x217/0x360 [ 24.348593][ T12] ? device_bind_driver+0xd0/0xd0 [ 24.353610][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 24.358869][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 24.364125][ T12] bus_probe_device+0x1e4/0x290 [ 24.368947][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 24.374812][ T12] device_add+0xae6/0x16f0 [ 24.379194][ T12] ? uevent_store+0x50/0x50 [ 24.383669][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 24.389451][ T12] usb_set_configuration+0xdf6/0x1670 [ 24.394805][ T12] generic_probe+0x9d/0xd5 [ 24.399192][ T12] usb_probe_device+0x99/0x100 [ 24.403926][ T12] ? usb_suspend+0x620/0x620 [ 24.408486][ T12] really_probe+0x281/0x6d0 [ 24.412959][ T12] driver_probe_device+0x101/0x1b0 [ 24.418050][ T12] __device_attach_driver+0x1c2/0x220 [ 24.423397][ T12] ? driver_allows_async_probing+0x160/0x160 [ 24.429343][ T12] bus_for_each_drv+0x162/0x1e0 [ 24.434163][ T12] ? bus_rescan_devices+0x20/0x20 [ 24.439159][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 24.444990][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 24.450275][ T12] __device_attach+0x217/0x360 [ 24.455017][ T12] ? device_bind_driver+0xd0/0xd0 [ 24.460079][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 24.465336][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 24.470597][ T12] bus_probe_device+0x1e4/0x290 [ 24.475422][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 24.481286][ T12] device_add+0xae6/0x16f0 [ 24.485672][ T12] ? uevent_store+0x50/0x50 [ 24.490180][ T12] usb_new_device.cold+0x6a4/0xe79 [ 24.495263][ T12] hub_event+0x1b5c/0x3640 [ 24.499649][ T12] ? hub_port_debounce+0x260/0x260 [ 24.504750][ T12] process_one_work+0x92b/0x1530 [ 24.509660][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 24.515013][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 24.520007][ T12] worker_thread+0x96/0xe20 [ 24.524480][ T12] ? process_one_work+0x1530/0x1530 [ 24.529651][ T12] kthread+0x318/0x420 [ 24.533690][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 24.539053][ T12] ret_from_fork+0x24/0x30 [ 24.543453][ T12] Modules linked in: [ 24.547409][ T12] ---[ end trace c3c58a7772eb6e1e ]--- [ 24.552880][ T12] RIP: 0010:usbnet_update_max_qlen+0x231/0x370 [ 24.559053][ 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 [ 24.578662][ T12] RSP: 0018:ffff8881da20f010 EFLAGS: 00010246 [ 24.584724][ T12] RAX: 00000000000163c8 RBX: ffff8881d5bc4ec0 RCX: ffff8881d5bc4fb4 [ 24.592688][ T12] RDX: 0000000000000000 RSI: ffffffff8344ecde RDI: ffff8881d5bc4fb4 [ 24.600668][ T12] RBP: 0000000000000003 R08: ffff8881da1f9800 R09: ffffed103ab7888a [ 24.608638][ T12] R10: ffffed103ab78889 R11: ffff8881d5bc444f R12: 0000000000000000 [ 24.616616][ T12] R13: ffff8881d5bc5038 R14: ffff8881d5bc4ec0 R15: ffff8881d323f680 [ 24.624593][ T12] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 24.633524][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.640094][ T12] CR2: 00007f1c6ad57000 CR3: 00000001d387a000 CR4: 00000000001406f0 [ 24.648067][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.656039][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.664009][ T12] Kernel panic - not syncing: Fatal exception [ 24.670517][ T12] Kernel Offset: disabled [ 24.674831][ T12] Rebooting in 86400 seconds..