Warning: Permanently added '10.128.10.5' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 89.401871][ T3932] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 89.641850][ T3932] usb 1-1: Using ep0 maxpacket: 8 [ 89.762034][ T3932] usb 1-1: config 0 has an invalid interface number: 239 but max is 0 [ 89.770294][ T3932] usb 1-1: config 0 has no interface number 0 [ 89.776632][ T3932] usb 1-1: New USB device found, idVendor=0b95, idProduct=178a, bcdDevice=2b.fa [ 89.785776][ T3932] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 89.795217][ T3932] usb 1-1: config 0 descriptor?? executing program [ 90.052079][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0002: -71 [ 90.082514][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0002: -71 [ 90.332024][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0001: -71 [ 90.482149][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to read reg index 0x0006: -71 [ 90.512026][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0005: -71 [ 90.542141][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0001: -71 [ 90.572061][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0001: -71 [ 90.602133][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0001: -71 [ 90.632083][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0001: -71 [ 90.661995][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0002: -71 [ 90.692022][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0001: -71 [ 90.721974][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0002: -71 [ 90.752051][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to read reg index 0x0001: -71 [ 90.781985][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0001: -71 [ 90.812015][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x001f: -71 [ 90.841984][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0019: -71 [ 90.872146][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x001f: -71 [ 90.901987][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x000d: -71 [ 90.932171][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x000e: -71 [ 90.962049][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x000d: -71 [ 90.992162][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to read reg index 0x000e: -71 [ 91.022115][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x000d: -71 [ 91.052260][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x000e: -71 [ 91.082019][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x000d: -71 [ 91.112154][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x000e: -71 [ 91.142237][ T3932] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 [ 91.153162][ T3932] ================================================================== [ 91.161299][ T3932] BUG: KMSAN: uninit-value in mii_nway_restart+0x141/0x260 [ 91.168497][ T3932] CPU: 0 PID: 3932 Comm: kworker/0:2 Not tainted 5.2.0+ #15 [ 91.175773][ T3932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.185823][ T3932] Workqueue: usb_hub_wq hub_event [ 91.190825][ T3932] Call Trace: [ 91.194456][ T3932] dump_stack+0x191/0x1f0 [ 91.198778][ T3932] kmsan_report+0x162/0x2d0 [ 91.203270][ T3932] __msan_warning+0x75/0xe0 [ 91.207763][ T3932] mii_nway_restart+0x141/0x260 [ 91.212619][ T3932] ax88179_bind+0xee3/0x1a10 [ 91.217199][ T3932] ? ax88179_resume+0x10f0/0x10f0 [ 91.222368][ T3932] usbnet_probe+0x10d3/0x3950 [ 91.227034][ T3932] ? kmsan_internal_memset_shadow+0x104/0x3a0 [ 91.233133][ T3932] ? usbnet_disconnect+0x660/0x660 [ 91.238246][ T3932] usb_probe_interface+0xd19/0x1310 [ 91.243440][ T3932] ? usb_register_driver+0x7d0/0x7d0 [ 91.248724][ T3932] really_probe+0x1344/0x1d90 [ 91.253406][ T3932] driver_probe_device+0x1ba/0x510 [ 91.258505][ T3932] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 91.264613][ T3932] __device_attach_driver+0x5b8/0x790 [ 91.269995][ T3932] bus_for_each_drv+0x28e/0x3b0 [ 91.274844][ T3932] ? deferred_probe_work_func+0x400/0x400 [ 91.280636][ T3932] __device_attach+0x489/0x750 [ 91.285418][ T3932] device_initial_probe+0x4a/0x60 [ 91.290521][ T3932] bus_probe_device+0x131/0x390 [ 91.295430][ T3932] device_add+0x25b5/0x2df0 [ 91.299934][ T3932] usb_set_configuration+0x309f/0x3710 [ 91.305392][ T3932] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 91.311450][ T3932] generic_probe+0xe7/0x280 [ 91.316055][ T3932] ? usb_choose_configuration+0xae0/0xae0 [ 91.321760][ T3932] usb_probe_device+0x146/0x200 [ 91.326600][ T3932] ? usb_register_device_driver+0x470/0x470 [ 91.332511][ T3932] really_probe+0x1344/0x1d90 [ 91.337198][ T3932] driver_probe_device+0x1ba/0x510 [ 91.342308][ T3932] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 91.348212][ T3932] __device_attach_driver+0x5b8/0x790 [ 91.354032][ T3932] bus_for_each_drv+0x28e/0x3b0 [ 91.359069][ T3932] ? deferred_probe_work_func+0x400/0x400 [ 91.364801][ T3932] __device_attach+0x489/0x750 [ 91.369566][ T3932] device_initial_probe+0x4a/0x60 [ 91.374578][ T3932] bus_probe_device+0x131/0x390 [ 91.379421][ T3932] device_add+0x25b5/0x2df0 [ 91.384030][ T3932] usb_new_device+0x23e5/0x2fb0 [ 91.388878][ T3932] hub_event+0x5853/0x7320 [ 91.393695][ T3932] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 91.399667][ T3932] ? led_work+0x720/0x720 [ 91.404010][ T3932] ? led_work+0x720/0x720 [ 91.408379][ T3932] process_one_work+0x1572/0x1f00 [ 91.413405][ T3932] worker_thread+0x111b/0x2460 [ 91.418300][ T3932] kthread+0x4b5/0x4f0 [ 91.422375][ T3932] ? process_one_work+0x1f00/0x1f00 [ 91.427570][ T3932] ? kthread_blkcg+0xf0/0xf0 [ 91.432340][ T3932] ret_from_fork+0x35/0x40 [ 91.436887][ T3932] [ 91.439207][ T3932] Local variable description: ----buf.i@ax88179_mdio_read [ 91.446373][ T3932] Variable was created at: [ 91.450802][ T3932] ax88179_mdio_read+0x7b/0x240 [ 91.455652][ T3932] mii_nway_restart+0xcf/0x260 [ 91.460393][ T3932] ================================================================== [ 91.468650][ T3932] Disabling lock debugging due to kernel taint [ 91.474800][ T3932] Kernel panic - not syncing: panic_on_warn set ... [ 91.481568][ T3932] CPU: 0 PID: 3932 Comm: kworker/0:2 Tainted: G B 5.2.0+ #15 [ 91.490220][ T3932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.500362][ T3932] Workqueue: usb_hub_wq hub_event [ 91.505370][ T3932] Call Trace: [ 91.508668][ T3932] dump_stack+0x191/0x1f0 [ 91.513007][ T3932] panic+0x3c9/0xc1e [ 91.516916][ T3932] kmsan_report+0x2ca/0x2d0 [ 91.521429][ T3932] __msan_warning+0x75/0xe0 [ 91.525946][ T3932] mii_nway_restart+0x141/0x260 [ 91.530791][ T3932] ax88179_bind+0xee3/0x1a10 [ 91.535375][ T3932] ? ax88179_resume+0x10f0/0x10f0 [ 91.540400][ T3932] usbnet_probe+0x10d3/0x3950 [ 91.545070][ T3932] ? kmsan_internal_memset_shadow+0x104/0x3a0 [ 91.551159][ T3932] ? usbnet_disconnect+0x660/0x660 [ 91.556359][ T3932] usb_probe_interface+0xd19/0x1310 [ 91.561569][ T3932] ? usb_register_driver+0x7d0/0x7d0 [ 91.566841][ T3932] really_probe+0x1344/0x1d90 [ 91.571526][ T3932] driver_probe_device+0x1ba/0x510 [ 91.576626][ T3932] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 91.582517][ T3932] __device_attach_driver+0x5b8/0x790 [ 91.587885][ T3932] bus_for_each_drv+0x28e/0x3b0 [ 91.592760][ T3932] ? deferred_probe_work_func+0x400/0x400 [ 91.598476][ T3932] __device_attach+0x489/0x750 [ 91.603259][ T3932] device_initial_probe+0x4a/0x60 [ 91.608269][ T3932] bus_probe_device+0x131/0x390 [ 91.613105][ T3932] device_add+0x25b5/0x2df0 [ 91.617624][ T3932] usb_set_configuration+0x309f/0x3710 [ 91.623112][ T3932] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 91.629175][ T3932] generic_probe+0xe7/0x280 [ 91.633772][ T3932] ? usb_choose_configuration+0xae0/0xae0 [ 91.639568][ T3932] usb_probe_device+0x146/0x200 [ 91.644630][ T3932] ? usb_register_device_driver+0x470/0x470 [ 91.650530][ T3932] really_probe+0x1344/0x1d90 [ 91.655204][ T3932] driver_probe_device+0x1ba/0x510 [ 91.660322][ T3932] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 91.666361][ T3932] __device_attach_driver+0x5b8/0x790 [ 91.671744][ T3932] bus_for_each_drv+0x28e/0x3b0 [ 91.676769][ T3932] ? deferred_probe_work_func+0x400/0x400 [ 91.682489][ T3932] __device_attach+0x489/0x750 [ 91.687271][ T3932] device_initial_probe+0x4a/0x60 [ 91.692551][ T3932] bus_probe_device+0x131/0x390 [ 91.697402][ T3932] device_add+0x25b5/0x2df0 [ 91.702057][ T3932] usb_new_device+0x23e5/0x2fb0 [ 91.707168][ T3932] hub_event+0x5853/0x7320 [ 91.711721][ T3932] ? kmsan_get_shadow_origin_ptr+0x71/0x470 [ 91.717605][ T3932] ? led_work+0x720/0x720 [ 91.721957][ T3932] ? led_work+0x720/0x720 [ 91.726284][ T3932] process_one_work+0x1572/0x1f00 [ 91.731305][ T3932] worker_thread+0x111b/0x2460 [ 91.736068][ T3932] kthread+0x4b5/0x4f0 [ 91.740150][ T3932] ? process_one_work+0x1f00/0x1f00 [ 91.745381][ T3932] ? kthread_blkcg+0xf0/0xf0 [ 91.749972][ T3932] ret_from_fork+0x35/0x40 [ 91.755832][ T3932] Kernel Offset: disabled [ 91.760185][ T3932] Rebooting in 86400 seconds..