Warning: Permanently added '10.128.10.53' (ECDSA) to the list of known hosts. syzkaller login: [ 150.503544][ T8478] IPVS: ftp: loaded support on port[0] = 21 executing program [ 151.118814][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 151.479112][ T12] usb 1-1: New USB device found, idVendor=2001, idProduct=1a02, bcdDevice=f8.9b [ 151.488348][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 151.509434][ T12] usb 1-1: config 0 descriptor?? [ 151.989065][ T12] asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -32 [ 151.999573][ T12] asix 1-1:0.0 (unnamed net_device) (uninitialized): Error reading PHYID register: ffffffe0 [ 152.508802][ T27] Bluetooth: hci0: command 0x0409 tx timeout [ 153.819066][ T12] asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 [ 153.829501][ T12] asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access [ 153.889197][ T12] asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 [ 153.899488][ T12] ===================================================== [ 153.906516][ T12] BUG: KMSAN: uninit-value in asix_mdio_read_nopm+0x4c8/0xa10 [ 153.914014][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.8.0-rc5-syzkaller #0 [ 153.922183][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.932370][ T12] Workqueue: usb_hub_wq hub_event [ 153.937469][ T12] Call Trace: [ 153.940801][ T12] dump_stack+0x21c/0x280 [ 153.945200][ T12] kmsan_report+0xf7/0x1e0 [ 153.949663][ T12] __msan_warning+0x58/0xa0 [ 153.954212][ T12] asix_mdio_read_nopm+0x4c8/0xa10 [ 153.959408][ T12] ax88772a_hw_reset+0x8b2/0x12a0 [ 153.964479][ T12] ? asix_read_cmd+0x1c9/0x2c0 [ 153.969307][ T12] ax88772_bind+0x75c/0x1400 [ 153.973964][ T12] ? ax88178_change_mtu+0x720/0x720 [ 153.979308][ T12] usbnet_probe+0x1152/0x3f90 [ 153.984036][ T12] ? kmsan_get_metadata+0x116/0x180 [ 153.989311][ T12] ? kmsan_get_metadata+0x116/0x180 [ 153.994585][ T12] ? kmsan_set_origin_checked+0x95/0xf0 [ 154.000197][ T12] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 154.006322][ T12] ? usbnet_disconnect+0x670/0x670 [ 154.011501][ T12] usb_probe_interface+0xece/0x1550 [ 154.016757][ T12] ? usb_register_driver+0x900/0x900 [ 154.022110][ T12] really_probe+0xf20/0x20b0 [ 154.026859][ T12] ? kmsan_get_metadata+0x116/0x180 [ 154.032112][ T12] driver_probe_device+0x293/0x390 [ 154.037270][ T12] __device_attach_driver+0x63f/0x830 [ 154.042712][ T12] bus_for_each_drv+0x2ca/0x3f0 [ 154.047624][ T12] ? coredump_store+0xf0/0xf0 [ 154.052399][ T12] __device_attach+0x4e2/0x7f0 [ 154.057839][ T12] device_initial_probe+0x4a/0x60 [ 154.062914][ T12] bus_probe_device+0x177/0x3d0 [ 154.068117][ T12] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 154.074346][ T12] device_add+0x3b0e/0x40d0 [ 154.079050][ T12] usb_set_configuration+0x380f/0x3f10 [ 154.084576][ T12] ? usb_set_configuration+0xb41/0x3f10 [ 154.090299][ T12] usb_generic_driver_probe+0x138/0x300 [ 154.095897][ T12] ? usb_choose_configuration+0xe70/0xe70 [ 154.101665][ T12] usb_probe_device+0x311/0x490 [ 154.106598][ T12] ? usb_register_device_driver+0x540/0x540 [ 154.112538][ T12] really_probe+0xf20/0x20b0 [ 154.117202][ T12] ? kmsan_get_metadata+0x116/0x180 [ 154.122725][ T12] driver_probe_device+0x293/0x390 [ 154.128023][ T12] __device_attach_driver+0x63f/0x830 [ 154.134193][ T12] bus_for_each_drv+0x2ca/0x3f0 [ 154.139098][ T12] ? coredump_store+0xf0/0xf0 [ 154.143860][ T12] __device_attach+0x4e2/0x7f0 [ 154.148723][ T12] device_initial_probe+0x4a/0x60 [ 154.154158][ T12] bus_probe_device+0x177/0x3d0 [ 154.159174][ T12] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 154.165031][ T12] device_add+0x3b0e/0x40d0 [ 154.169810][ T12] usb_new_device+0x1bd4/0x2a30 [ 154.175176][ T12] hub_event+0x5e7b/0x8a70 [ 154.179920][ T12] ? kmsan_get_metadata+0x116/0x180 [ 154.186894][ T12] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 154.193016][ T12] ? led_work+0x7c0/0x7c0 [ 154.197411][ T12] process_one_work+0x1688/0x2140 [ 154.202872][ T12] worker_thread+0x10bc/0x2730 [ 154.207726][ T12] ? kmsan_get_metadata+0x116/0x180 [ 154.214069][ T12] kthread+0x551/0x590 [ 154.218202][ T12] ? process_one_work+0x2140/0x2140 [ 154.223705][ T12] ? kthread_blkcg+0x110/0x110 [ 154.229119][ T12] ret_from_fork+0x1f/0x30 [ 154.233587][ T12] [ 154.235938][ T12] Local variable ----smsr@asix_mdio_read_nopm created at: [ 154.243285][ T12] asix_mdio_read_nopm+0x95/0xa10 [ 154.248354][ T12] asix_mdio_read_nopm+0x95/0xa10 [ 154.253740][ T12] ===================================================== [ 154.261849][ T12] Disabling lock debugging due to kernel taint [ 154.268404][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 154.275124][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 154.287315][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.299858][ T12] Workqueue: usb_hub_wq hub_event [ 154.304920][ T12] Call Trace: [ 154.308284][ T12] dump_stack+0x21c/0x280 [ 154.312690][ T12] panic+0x4d7/0xef7 [ 154.316672][ T12] ? add_taint+0x17c/0x210 [ 154.321139][ T12] kmsan_report+0x1df/0x1e0 [ 154.325696][ T12] __msan_warning+0x58/0xa0 [ 154.330268][ T12] asix_mdio_read_nopm+0x4c8/0xa10 [ 154.335859][ T12] ax88772a_hw_reset+0x8b2/0x12a0 [ 154.340947][ T12] ? asix_read_cmd+0x1c9/0x2c0 [ 154.345797][ T12] ax88772_bind+0x75c/0x1400 [ 154.350746][ T12] ? ax88178_change_mtu+0x720/0x720 [ 154.356037][ T12] usbnet_probe+0x1152/0x3f90 [ 154.361572][ T12] ? kmsan_get_metadata+0x116/0x180 [ 154.366915][ T12] ? kmsan_get_metadata+0x116/0x180 [ 154.373340][ T12] ? kmsan_set_origin_checked+0x95/0xf0 [ 154.379943][ T12] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 154.388316][ T12] ? usbnet_disconnect+0x670/0x670 [ 154.395280][ T12] usb_probe_interface+0xece/0x1550 [ 154.401483][ T12] ? usb_register_driver+0x900/0x900 [ 154.407031][ T12] really_probe+0xf20/0x20b0 [ 154.412321][ T12] ? kmsan_get_metadata+0x116/0x180 [ 154.417761][ T12] driver_probe_device+0x293/0x390 [ 154.423198][ T12] __device_attach_driver+0x63f/0x830 [ 154.428645][ T12] bus_for_each_drv+0x2ca/0x3f0 [ 154.434451][ T12] ? coredump_store+0xf0/0xf0 [ 154.439698][ T12] __device_attach+0x4e2/0x7f0 [ 154.445192][ T12] device_initial_probe+0x4a/0x60 [ 154.451432][ T12] bus_probe_device+0x177/0x3d0 [ 154.456482][ T12] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 154.462556][ T12] device_add+0x3b0e/0x40d0 [ 154.467166][ T12] usb_set_configuration+0x380f/0x3f10 [ 154.472790][ T12] ? usb_set_configuration+0xb41/0x3f10 [ 154.478903][ T12] usb_generic_driver_probe+0x138/0x300 [ 154.484622][ T12] ? usb_choose_configuration+0xe70/0xe70 [ 154.491108][ T12] usb_probe_device+0x311/0x490 [ 154.496645][ T12] ? usb_register_device_driver+0x540/0x540 [ 154.503905][ T12] really_probe+0xf20/0x20b0 [ 154.508776][ T12] ? kmsan_get_metadata+0x116/0x180 [ 154.514315][ T12] driver_probe_device+0x293/0x390 [ 154.521461][ T12] __device_attach_driver+0x63f/0x830 [ 154.527553][ T12] bus_for_each_drv+0x2ca/0x3f0 [ 154.533778][ T12] ? coredump_store+0xf0/0xf0 [ 154.538804][ T12] __device_attach+0x4e2/0x7f0 [ 154.543664][ T12] device_initial_probe+0x4a/0x60 [ 154.548773][ T12] bus_probe_device+0x177/0x3d0 [ 154.554144][ T12] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 154.560125][ T12] device_add+0x3b0e/0x40d0 [ 154.565304][ T12] usb_new_device+0x1bd4/0x2a30 [ 154.570777][ T12] hub_event+0x5e7b/0x8a70 [ 154.575415][ T12] ? kmsan_get_metadata+0x116/0x180 [ 154.581042][ T12] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 154.586905][ T12] ? led_work+0x7c0/0x7c0 [ 154.591742][ T12] process_one_work+0x1688/0x2140 [ 154.597160][ T12] worker_thread+0x10bc/0x2730 [ 154.603111][ T12] ? kmsan_get_metadata+0x116/0x180 [ 154.608934][ T12] kthread+0x551/0x590 [ 154.614534][ T12] ? process_one_work+0x2140/0x2140 [ 154.620088][ T12] ? kthread_blkcg+0x110/0x110 [ 154.624940][ T12] ret_from_fork+0x1f/0x30 [ 154.631454][ T12] Kernel Offset: disabled [ 154.637781][ T12] Rebooting in 86400 seconds..