Warning: Permanently added '10.128.15.192' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 114.902119][ T40] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 115.142145][ T40] usb 1-1: Using ep0 maxpacket: 8 [ 115.262273][ T40] usb 1-1: config 0 has an invalid interface number: 152 but max is 0 [ 115.270494][ T40] usb 1-1: config 0 has no interface number 0 [ 115.276756][ T40] usb 1-1: New USB device found, idVendor=04bb, idProduct=0930, bcdDevice=d2.4a [ 115.285874][ T40] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 115.295452][ T40] usb 1-1: config 0 descriptor?? [ 115.552254][ T40] ================================================================== [ 115.560381][ T40] BUG: KMSAN: uninit-value in ax88178_bind+0x635/0xad0 [ 115.567219][ T40] CPU: 1 PID: 40 Comm: kworker/1:2 Not tainted 5.2.0+ #15 [ 115.574306][ T40] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.584353][ T40] Workqueue: usb_hub_wq hub_event [ 115.589358][ T40] Call Trace: [ 115.592639][ T40] dump_stack+0x191/0x1f0 [ 115.596992][ T40] kmsan_report+0x162/0x2d0 [ 115.601512][ T40] __msan_warning+0x75/0xe0 [ 115.606053][ T40] ax88178_bind+0x635/0xad0 [ 115.610553][ T40] ? asix_get_link+0x60/0x60 [ 115.615129][ T40] usbnet_probe+0x10d3/0x3950 [ 115.619830][ T40] ? kmsan_internal_memset_shadow+0x104/0x3a0 [ 115.625917][ T40] ? usbnet_disconnect+0x660/0x660 [ 115.631024][ T40] usb_probe_interface+0xd19/0x1310 [ 115.636229][ T40] ? usb_register_driver+0x7d0/0x7d0 [ 115.641508][ T40] really_probe+0x1344/0x1d90 [ 115.646186][ T40] driver_probe_device+0x1ba/0x510 [ 115.651289][ T40] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 115.657177][ T40] __device_attach_driver+0x5b8/0x790 [ 115.662568][ T40] bus_for_each_drv+0x28e/0x3b0 [ 115.667409][ T40] ? deferred_probe_work_func+0x400/0x400 [ 115.673127][ T40] __device_attach+0x489/0x750 [ 115.677892][ T40] device_initial_probe+0x4a/0x60 [ 115.682907][ T40] bus_probe_device+0x131/0x390 [ 115.687751][ T40] device_add+0x25b5/0x2df0 [ 115.692266][ T40] usb_set_configuration+0x309f/0x3710 [ 115.697754][ T40] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 115.703844][ T40] generic_probe+0xe7/0x280 [ 115.708334][ T40] ? usb_choose_configuration+0xae0/0xae0 [ 115.714044][ T40] usb_probe_device+0x146/0x200 [ 115.718906][ T40] ? usb_register_device_driver+0x470/0x470 [ 115.724790][ T40] really_probe+0x1344/0x1d90 [ 115.729475][ T40] driver_probe_device+0x1ba/0x510 [ 115.734580][ T40] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 115.740470][ T40] __device_attach_driver+0x5b8/0x790 [ 115.745848][ T40] bus_for_each_drv+0x28e/0x3b0 [ 115.750683][ T40] ? deferred_probe_work_func+0x400/0x400 [ 115.756415][ T40] __device_attach+0x489/0x750 [ 115.761181][ T40] device_initial_probe+0x4a/0x60 [ 115.766195][ T40] bus_probe_device+0x131/0x390 [ 115.771059][ T40] device_add+0x25b5/0x2df0 [ 115.775580][ T40] usb_new_device+0x23e5/0x2fb0 [ 115.780448][ T40] hub_event+0x5853/0x7320 [ 115.784908][ T40] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 115.790787][ T40] ? led_work+0x720/0x720 [ 115.795102][ T40] ? led_work+0x720/0x720 [ 115.799420][ T40] process_one_work+0x1572/0x1f00 [ 115.804455][ T40] worker_thread+0x111b/0x2460 [ 115.809241][ T40] kthread+0x4b5/0x4f0 [ 115.813313][ T40] ? process_one_work+0x1f00/0x1f00 [ 115.818505][ T40] ? kthread_blkcg+0xf0/0xf0 [ 115.823083][ T40] ret_from_fork+0x35/0x40 [ 115.827512][ T40] [ 115.829825][ T40] Local variable description: ----buf@ax88178_bind [ 115.836313][ T40] Variable was created at: [ 115.840714][ T40] ax88178_bind+0x60/0xad0 [ 115.845117][ T40] usbnet_probe+0x10d3/0x3950 [ 115.849786][ T40] ================================================================== [ 115.857842][ T40] Disabling lock debugging due to kernel taint [ 115.863981][ T40] Kernel panic - not syncing: panic_on_warn set ... [ 115.870553][ T40] CPU: 1 PID: 40 Comm: kworker/1:2 Tainted: G B 5.2.0+ #15 [ 115.879027][ T40] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.889076][ T40] Workqueue: usb_hub_wq hub_event [ 115.894084][ T40] Call Trace: [ 115.897371][ T40] dump_stack+0x191/0x1f0 [ 115.901712][ T40] panic+0x3c9/0xc1e [ 115.905630][ T40] kmsan_report+0x2ca/0x2d0 [ 115.910129][ T40] __msan_warning+0x75/0xe0 [ 115.914625][ T40] ax88178_bind+0x635/0xad0 [ 115.919138][ T40] ? asix_get_link+0x60/0x60 [ 115.923719][ T40] usbnet_probe+0x10d3/0x3950 [ 115.928387][ T40] ? kmsan_internal_memset_shadow+0x104/0x3a0 [ 115.934464][ T40] ? usbnet_disconnect+0x660/0x660 [ 115.939566][ T40] usb_probe_interface+0xd19/0x1310 [ 115.944765][ T40] ? usb_register_driver+0x7d0/0x7d0 [ 115.950036][ T40] really_probe+0x1344/0x1d90 [ 115.954715][ T40] driver_probe_device+0x1ba/0x510 [ 115.959817][ T40] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 115.965723][ T40] __device_attach_driver+0x5b8/0x790 [ 115.971104][ T40] bus_for_each_drv+0x28e/0x3b0 [ 115.975941][ T40] ? deferred_probe_work_func+0x400/0x400 [ 115.981655][ T40] __device_attach+0x489/0x750 [ 115.986420][ T40] device_initial_probe+0x4a/0x60 [ 115.991450][ T40] bus_probe_device+0x131/0x390 [ 115.996300][ T40] device_add+0x25b5/0x2df0 [ 116.000842][ T40] usb_set_configuration+0x309f/0x3710 [ 116.006327][ T40] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 116.012403][ T40] generic_probe+0xe7/0x280 [ 116.016906][ T40] ? usb_choose_configuration+0xae0/0xae0 [ 116.022618][ T40] usb_probe_device+0x146/0x200 [ 116.027466][ T40] ? usb_register_device_driver+0x470/0x470 [ 116.033351][ T40] really_probe+0x1344/0x1d90 [ 116.038030][ T40] driver_probe_device+0x1ba/0x510 [ 116.043148][ T40] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 116.049049][ T40] __device_attach_driver+0x5b8/0x790 [ 116.054424][ T40] bus_for_each_drv+0x28e/0x3b0 [ 116.059261][ T40] ? deferred_probe_work_func+0x400/0x400 [ 116.064978][ T40] __device_attach+0x489/0x750 [ 116.069751][ T40] device_initial_probe+0x4a/0x60 [ 116.074940][ T40] bus_probe_device+0x131/0x390 [ 116.079810][ T40] device_add+0x25b5/0x2df0 [ 116.084348][ T40] usb_new_device+0x23e5/0x2fb0 [ 116.089210][ T40] hub_event+0x5853/0x7320 [ 116.093671][ T40] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 116.099551][ T40] ? led_work+0x720/0x720 [ 116.103887][ T40] ? led_work+0x720/0x720 [ 116.108210][ T40] process_one_work+0x1572/0x1f00 [ 116.113262][ T40] worker_thread+0x111b/0x2460 [ 116.118058][ T40] kthread+0x4b5/0x4f0 [ 116.122128][ T40] ? process_one_work+0x1f00/0x1f00 [ 116.127337][ T40] ? kthread_blkcg+0xf0/0xf0 [ 116.131925][ T40] ret_from_fork+0x35/0x40 [ 116.137324][ T40] Kernel Offset: disabled [ 116.141657][ T40] Rebooting in 86400 seconds..