Warning: Permanently added '10.128.0.146' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 110.352398][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 110.592350][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 110.712606][ T12] usb 1-1: config 0 has an invalid interface number: 239 but max is 0 [ 110.720834][ T12] usb 1-1: config 0 has no interface number 0 [ 110.727093][ T12] usb 1-1: New USB device found, idVendor=0b95, idProduct=178a, bcdDevice=2b.fa [ 110.736277][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 110.746132][ T12] usb 1-1: config 0 descriptor?? executing program [ 111.002787][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0002: -71 [ 111.032719][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0002: -71 [ 111.282674][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0001: -71 [ 111.432733][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to read reg index 0x0006: -71 [ 111.462542][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0005: -71 [ 111.492765][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0001: -71 [ 111.522555][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0001: -71 [ 111.553126][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0001: -71 [ 111.582508][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0001: -71 [ 111.612746][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0002: -71 [ 111.642511][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0001: -71 [ 111.672543][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0002: -71 [ 111.702535][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to read reg index 0x0001: -71 [ 111.732538][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0001: -71 [ 111.762509][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x001f: -71 [ 111.792539][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x0019: -71 [ 111.822540][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x001f: -71 [ 111.852562][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x000d: -71 [ 111.882523][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x000e: -71 [ 111.912531][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x000d: -71 [ 111.942748][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to read reg index 0x000e: -71 [ 111.972516][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x000d: -71 [ 112.002512][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x000e: -71 [ 112.032521][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x000d: -71 [ 112.062530][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to write reg index 0x000e: -71 [ 112.092583][ T12] ax88179_178a 1-1:0.239 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 [ 112.103508][ T12] ================================================================== [ 112.111588][ T12] BUG: KMSAN: uninit-value in mii_nway_restart+0x141/0x260 [ 112.118788][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0-rc3+ #17 [ 112.126239][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.136306][ T12] Workqueue: usb_hub_wq hub_event [ 112.141323][ T12] Call Trace: [ 112.144625][ T12] dump_stack+0x191/0x1f0 [ 112.149041][ T12] kmsan_report+0x162/0x2d0 [ 112.153576][ T12] __msan_warning+0x75/0xe0 [ 112.158078][ T12] mii_nway_restart+0x141/0x260 [ 112.162944][ T12] ax88179_bind+0xee3/0x1a10 [ 112.167538][ T12] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 112.173512][ T12] ? ax88179_resume+0x10f0/0x10f0 [ 112.178528][ T12] usbnet_probe+0x10ae/0x3960 [ 112.183229][ T12] ? usbnet_disconnect+0x660/0x660 [ 112.188330][ T12] usb_probe_interface+0xd19/0x1310 [ 112.193527][ T12] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 112.199500][ T12] ? usb_register_driver+0x7d0/0x7d0 [ 112.204802][ T12] really_probe+0x1373/0x1dc0 [ 112.209485][ T12] driver_probe_device+0x1ba/0x510 [ 112.214619][ T12] __device_attach_driver+0x5b8/0x790 [ 112.220011][ T12] ? bus_for_each_drv+0x1d5/0x3b0 [ 112.225048][ T12] bus_for_each_drv+0x28e/0x3b0 [ 112.229890][ T12] ? deferred_probe_work_func+0x400/0x400 [ 112.235607][ T12] __device_attach+0x489/0x750 [ 112.240373][ T12] device_initial_probe+0x4a/0x60 [ 112.245400][ T12] bus_probe_device+0x131/0x390 [ 112.250268][ T12] device_add+0x25b5/0x2df0 [ 112.254790][ T12] ? usb_set_configuration+0x3036/0x3710 [ 112.260449][ T12] usb_set_configuration+0x309f/0x3710 [ 112.265946][ T12] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 112.272047][ T12] generic_probe+0xe7/0x280 [ 112.276558][ T12] ? usb_probe_device+0x104/0x200 [ 112.281600][ T12] ? usb_choose_configuration+0xae0/0xae0 [ 112.287318][ T12] usb_probe_device+0x146/0x200 [ 112.292160][ T12] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 112.298139][ T12] ? usb_register_device_driver+0x470/0x470 [ 112.304022][ T12] really_probe+0x1373/0x1dc0 [ 112.308703][ T12] driver_probe_device+0x1ba/0x510 [ 112.313831][ T12] __device_attach_driver+0x5b8/0x790 [ 112.319209][ T12] ? bus_for_each_drv+0x1d5/0x3b0 [ 112.324229][ T12] bus_for_each_drv+0x28e/0x3b0 [ 112.329063][ T12] ? deferred_probe_work_func+0x400/0x400 [ 112.334782][ T12] __device_attach+0x489/0x750 [ 112.339551][ T12] device_initial_probe+0x4a/0x60 [ 112.344565][ T12] bus_probe_device+0x131/0x390 [ 112.349421][ T12] device_add+0x25b5/0x2df0 [ 112.353954][ T12] usb_new_device+0x23e5/0x2fb0 [ 112.358846][ T12] hub_event+0x581d/0x72f0 [ 112.363317][ T12] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 112.369294][ T12] ? led_work+0x720/0x720 [ 112.373611][ T12] ? led_work+0x720/0x720 [ 112.377963][ T12] process_one_work+0x1572/0x1ef0 [ 112.383008][ T12] worker_thread+0x111b/0x2460 [ 112.387821][ T12] kthread+0x4b5/0x4f0 [ 112.391881][ T12] ? process_one_work+0x1ef0/0x1ef0 [ 112.397075][ T12] ? kthread_blkcg+0xf0/0xf0 [ 112.401657][ T12] ret_from_fork+0x35/0x40 [ 112.406066][ T12] [ 112.408391][ T12] Local variable description: ----buf.i@ax88179_mdio_read [ 112.415573][ T12] Variable was created at: [ 112.419981][ T12] ax88179_mdio_read+0x7b/0x240 [ 112.424837][ T12] mii_nway_restart+0xcf/0x260 [ 112.429575][ T12] ================================================================== [ 112.437615][ T12] Disabling lock debugging due to kernel taint [ 112.444006][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 112.450578][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Tainted: G B 5.3.0-rc3+ #17 [ 112.459409][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.469480][ T12] Workqueue: usb_hub_wq hub_event [ 112.474492][ T12] Call Trace: [ 112.477777][ T12] dump_stack+0x191/0x1f0 [ 112.482142][ T12] panic+0x3c9/0xc1e [ 112.486063][ T12] kmsan_report+0x2ca/0x2d0 [ 112.490586][ T12] __msan_warning+0x75/0xe0 [ 112.495100][ T12] mii_nway_restart+0x141/0x260 [ 112.499962][ T12] ax88179_bind+0xee3/0x1a10 [ 112.504552][ T12] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 112.510525][ T12] ? ax88179_resume+0x10f0/0x10f0 [ 112.515537][ T12] usbnet_probe+0x10ae/0x3960 [ 112.520267][ T12] ? usbnet_disconnect+0x660/0x660 [ 112.525377][ T12] usb_probe_interface+0xd19/0x1310 [ 112.530576][ T12] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 112.536547][ T12] ? usb_register_driver+0x7d0/0x7d0 [ 112.541840][ T12] really_probe+0x1373/0x1dc0 [ 112.546533][ T12] driver_probe_device+0x1ba/0x510 [ 112.551646][ T12] __device_attach_driver+0x5b8/0x790 [ 112.557012][ T12] ? bus_for_each_drv+0x1d5/0x3b0 [ 112.562043][ T12] bus_for_each_drv+0x28e/0x3b0 [ 112.566878][ T12] ? deferred_probe_work_func+0x400/0x400 [ 112.572594][ T12] __device_attach+0x489/0x750 [ 112.577382][ T12] device_initial_probe+0x4a/0x60 [ 112.582404][ T12] bus_probe_device+0x131/0x390 [ 112.587275][ T12] device_add+0x25b5/0x2df0 [ 112.591817][ T12] ? usb_set_configuration+0x3036/0x3710 [ 112.597462][ T12] usb_set_configuration+0x309f/0x3710 [ 112.602949][ T12] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 112.609028][ T12] generic_probe+0xe7/0x280 [ 112.613523][ T12] ? usb_probe_device+0x104/0x200 [ 112.618536][ T12] ? usb_choose_configuration+0xae0/0xae0 [ 112.624334][ T12] usb_probe_device+0x146/0x200 [ 112.629226][ T12] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 112.635253][ T12] ? usb_register_device_driver+0x470/0x470 [ 112.641183][ T12] really_probe+0x1373/0x1dc0 [ 112.645883][ T12] driver_probe_device+0x1ba/0x510 [ 112.650999][ T12] __device_attach_driver+0x5b8/0x790 [ 112.656369][ T12] ? bus_for_each_drv+0x1d5/0x3b0 [ 112.661402][ T12] bus_for_each_drv+0x28e/0x3b0 [ 112.666240][ T12] ? deferred_probe_work_func+0x400/0x400 [ 112.672005][ T12] __device_attach+0x489/0x750 [ 112.676774][ T12] device_initial_probe+0x4a/0x60 [ 112.681791][ T12] bus_probe_device+0x131/0x390 [ 112.686637][ T12] device_add+0x25b5/0x2df0 [ 112.691183][ T12] usb_new_device+0x23e5/0x2fb0 [ 112.696075][ T12] hub_event+0x581d/0x72f0 [ 112.702050][ T12] ? kmsan_get_shadow_origin_ptr+0x28c/0x3a0 [ 112.712713][ T12] ? led_work+0x720/0x720 [ 112.717030][ T12] ? led_work+0x720/0x720 [ 112.721351][ T12] process_one_work+0x1572/0x1ef0 [ 112.726415][ T12] worker_thread+0x111b/0x2460 [ 112.731225][ T12] kthread+0x4b5/0x4f0 [ 112.735287][ T12] ? process_one_work+0x1ef0/0x1ef0 [ 112.740537][ T12] ? kthread_blkcg+0xf0/0xf0 [ 112.745122][ T12] ret_from_fork+0x35/0x40 [ 112.750582][ T12] Kernel Offset: disabled [ 112.754942][ T12] Rebooting in 86400 seconds..