Warning: Permanently added '10.128.0.201' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 87.791904][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 88.152303][ T7] usb 1-1: New USB device found, idVendor=17ef, idProduct=7203, bcdDevice=e1.dd [ 88.161503][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 88.172772][ T7] usb 1-1: config 0 descriptor?? [ 89.322120][ T7] asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -32 executing program [ 91.102197][ T7] asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 [ 91.112359][ T7] asix 1-1:0.0 (unnamed net_device) (uninitialized): Error reading RX_CTL register: ffffffb9 [ 91.142383][ T7] asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 [ 91.152606][ T7] asix 1-1:0.0 (unnamed net_device) (uninitialized): Error reading Medium Status register: ffffffb9 [ 91.182024][ T7] asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 [ 91.192433][ T7] asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access [ 91.222039][ T7] asix 1-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 [ 91.232150][ T7] ===================================================== [ 91.239177][ T7] BUG: KMSAN: uninit-value in asix_mdio_read+0x537/0xa40 [ 91.246224][ T7] asix_mdio_read+0x537/0xa40 [ 91.250934][ T7] asix_mdio_bus_read+0xba/0xe0 [ 91.255837][ T7] __mdiobus_read+0xbf/0x4f0 [ 91.260479][ T7] mdiobus_read+0xaa/0xf0 [ 91.264835][ T7] get_phy_device+0x218/0x8b0 [ 91.269552][ T7] mdiobus_scan+0x1c7/0x940 [ 91.274085][ T7] __mdiobus_register+0xe6c/0x11a0 [ 91.279215][ T7] __devm_mdiobus_register+0x18f/0x2f0 [ 91.284694][ T7] ax88772_bind+0x10b1/0x1770 [ 91.289386][ T7] usbnet_probe+0x1251/0x4160 [ 91.294097][ T7] usb_probe_interface+0xf19/0x1600 [ 91.299325][ T7] really_probe+0x653/0x14b0 [ 91.303934][ T7] __driver_probe_device+0x3e9/0x530 [ 91.309248][ T7] __device_attach_driver+0x79f/0x1120 [ 91.314725][ T7] bus_for_each_drv+0x2d6/0x3f0 [ 91.319613][ T7] __device_attach+0x593/0x8e0 [ 91.324390][ T7] device_initial_probe+0x4a/0x60 [ 91.329438][ T7] bus_probe_device+0x17b/0x3e0 [ 91.334319][ T7] device_add+0x1fff/0x26e0 [ 91.338847][ T7] usb_set_configuration+0x37e9/0x3ed0 [ 91.344362][ T7] usb_generic_driver_probe+0x13c/0x300 [ 91.349930][ T7] usb_probe_device+0x309/0x570 [ 91.354805][ T7] really_probe+0x653/0x14b0 [ 91.359414][ T7] __driver_probe_device+0x3e9/0x530 [ 91.364730][ T7] __device_attach_driver+0x79f/0x1120 [ 91.370238][ T7] bus_for_each_drv+0x2d6/0x3f0 [ 91.375232][ T7] __device_attach+0x593/0x8e0 [ 91.380016][ T7] device_initial_probe+0x4a/0x60 [ 91.385056][ T7] bus_probe_device+0x17b/0x3e0 [ 91.389923][ T7] device_add+0x1fff/0x26e0 [ 91.394447][ T7] usb_new_device+0x1b8e/0x2950 [ 91.399308][ T7] hub_event+0x58e3/0x89e0 [ 91.403796][ T7] process_one_work+0xdb6/0x1820 [ 91.408759][ T7] worker_thread+0x10b3/0x21e0 [ 91.413533][ T7] kthread+0x3c7/0x500 [ 91.417624][ T7] ret_from_fork+0x1f/0x30 [ 91.422073][ T7] [ 91.424387][ T7] Local variable smsr.i created at: [ 91.429577][ T7] asix_mdio_read+0xaf/0xa40 [ 91.434183][ T7] asix_mdio_bus_read+0xba/0xe0 [ 91.439137][ T7] [ 91.441449][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.17.0-rc4-syzkaller #0 [ 91.449608][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.459668][ T7] Workqueue: usb_hub_wq hub_event [ 91.464706][ T7] ===================================================== [ 91.471623][ T7] Disabling lock debugging due to kernel taint [ 91.478023][ T7] Kernel panic - not syncing: kmsan.panic set ... [ 91.484450][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.17.0-rc4-syzkaller #0 [ 91.494023][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.504084][ T7] Workqueue: usb_hub_wq hub_event [ 91.509126][ T7] Call Trace: [ 91.512398][ T7] [ 91.515327][ T7] dump_stack_lvl+0x1ff/0x28e [ 91.520063][ T7] dump_stack+0x25/0x28 [ 91.524257][ T7] panic+0x487/0xe1f [ 91.528183][ T7] ? add_taint+0x181/0x210 [ 91.532641][ T7] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 91.538480][ T7] kmsan_report+0x2e6/0x2f0 [ 91.543044][ T7] ? __msan_warning+0xb8/0x130 [ 91.547833][ T7] ? asix_mdio_read+0x537/0xa40 [ 91.552725][ T7] ? asix_mdio_bus_read+0xba/0xe0 [ 91.557766][ T7] ? __mdiobus_read+0xbf/0x4f0 [ 91.562547][ T7] ? mdiobus_read+0xaa/0xf0 [ 91.567073][ T7] ? get_phy_device+0x218/0x8b0 [ 91.571935][ T7] ? mdiobus_scan+0x1c7/0x940 [ 91.576631][ T7] ? __mdiobus_register+0xe6c/0x11a0 [ 91.581936][ T7] ? __devm_mdiobus_register+0x18f/0x2f0 [ 91.587591][ T7] ? ax88772_bind+0x10b1/0x1770 [ 91.592456][ T7] ? usbnet_probe+0x1251/0x4160 [ 91.597343][ T7] ? usb_probe_interface+0xf19/0x1600 [ 91.602739][ T7] ? really_probe+0x653/0x14b0 [ 91.607522][ T7] ? __driver_probe_device+0x3e9/0x530 [ 91.613003][ T7] ? __device_attach_driver+0x79f/0x1120 [ 91.618663][ T7] ? bus_for_each_drv+0x2d6/0x3f0 [ 91.623722][ T7] ? __device_attach+0x593/0x8e0 [ 91.628695][ T7] ? device_initial_probe+0x4a/0x60 [ 91.633911][ T7] ? bus_probe_device+0x17b/0x3e0 [ 91.638970][ T7] ? device_add+0x1fff/0x26e0 [ 91.643669][ T7] ? usb_set_configuration+0x37e9/0x3ed0 [ 91.649329][ T7] ? usb_generic_driver_probe+0x13c/0x300 [ 91.655071][ T7] ? usb_probe_device+0x309/0x570 [ 91.660117][ T7] ? really_probe+0x653/0x14b0 [ 91.664893][ T7] ? __driver_probe_device+0x3e9/0x530 [ 91.670374][ T7] ? __device_attach_driver+0x79f/0x1120 [ 91.676024][ T7] ? bus_for_each_drv+0x2d6/0x3f0 [ 91.681061][ T7] ? __device_attach+0x593/0x8e0 [ 91.686015][ T7] ? device_initial_probe+0x4a/0x60 [ 91.691231][ T7] ? bus_probe_device+0x17b/0x3e0 [ 91.696269][ T7] ? device_add+0x1fff/0x26e0 [ 91.700988][ T7] ? usb_new_device+0x1b8e/0x2950 [ 91.706046][ T7] ? hub_event+0x58e3/0x89e0 [ 91.710648][ T7] ? process_one_work+0xdb6/0x1820 [ 91.715772][ T7] ? worker_thread+0x10b3/0x21e0 [ 91.720720][ T7] ? kthread+0x3c7/0x500 [ 91.725005][ T7] ? ret_from_fork+0x1f/0x30 [ 91.729628][ T7] ? kmsan_get_metadata+0x33/0x220 [ 91.734769][ T7] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 91.740614][ T7] __msan_warning+0xb8/0x130 [ 91.745234][ T7] asix_mdio_read+0x537/0xa40 [ 91.749945][ T7] asix_mdio_bus_read+0xba/0xe0 [ 91.754821][ T7] __mdiobus_read+0xbf/0x4f0 [ 91.759437][ T7] ? kmsan_get_metadata+0x33/0x220 [ 91.764576][ T7] ? __asix_mdio_write+0x5c0/0x5c0 [ 91.769711][ T7] mdiobus_read+0xaa/0xf0 [ 91.774067][ T7] get_phy_device+0x218/0x8b0 [ 91.778798][ T7] mdiobus_scan+0x1c7/0x940 [ 91.783344][ T7] ? kmsan_get_metadata+0x33/0x220 [ 91.788511][ T7] __mdiobus_register+0xe6c/0x11a0 [ 91.793645][ T7] ? __devres_alloc_node+0x214/0x360 [ 91.799051][ T7] __devm_mdiobus_register+0x18f/0x2f0 [ 91.804538][ T7] ax88772_bind+0x10b1/0x1770 [ 91.809247][ T7] ? ax88178_change_mtu+0x730/0x730 [ 91.814486][ T7] usbnet_probe+0x1251/0x4160 [ 91.819188][ T7] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 91.825036][ T7] ? kmsan_get_metadata+0x33/0x220 [ 91.830197][ T7] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 91.836477][ T7] ? usbnet_disconnect+0x6c0/0x6c0 [ 91.841615][ T7] usb_probe_interface+0xf19/0x1600 [ 91.846860][ T7] ? usb_register_driver+0x900/0x900 [ 91.852172][ T7] really_probe+0x653/0x14b0 [ 91.856790][ T7] __driver_probe_device+0x3e9/0x530 [ 91.862100][ T7] __device_attach_driver+0x79f/0x1120 [ 91.867585][ T7] bus_for_each_drv+0x2d6/0x3f0 [ 91.872450][ T7] ? deferred_probe_work_func+0x4c0/0x4c0 [ 91.878211][ T7] __device_attach+0x593/0x8e0 [ 91.882996][ T7] ? btf_func_check_meta+0x1a1/0x8d0 [ 91.888301][ T7] device_initial_probe+0x4a/0x60 [ 91.893344][ T7] bus_probe_device+0x17b/0x3e0 [ 91.898227][ T7] device_add+0x1fff/0x26e0 [ 91.902777][ T7] usb_set_configuration+0x37e9/0x3ed0 [ 91.908264][ T7] ? usb_set_configuration+0xb11/0x3ed0 [ 91.913842][ T7] ? usb_choose_configuration+0xcbb/0xf90 [ 91.919611][ T7] usb_generic_driver_probe+0x13c/0x300 [ 91.925181][ T7] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 91.931044][ T7] ? usb_choose_configuration+0xf90/0xf90 [ 91.936791][ T7] usb_probe_device+0x309/0x570 [ 91.941683][ T7] ? kmsan_get_metadata+0x33/0x220 [ 91.946848][ T7] ? usb_register_device_driver+0x580/0x580 [ 91.952781][ T7] really_probe+0x653/0x14b0 [ 91.957397][ T7] __driver_probe_device+0x3e9/0x530 [ 91.962716][ T7] __device_attach_driver+0x79f/0x1120 [ 91.968207][ T7] bus_for_each_drv+0x2d6/0x3f0 [ 91.973071][ T7] ? deferred_probe_work_func+0x4c0/0x4c0 [ 91.978816][ T7] __device_attach+0x593/0x8e0 [ 91.983597][ T7] ? btf_func_check_meta+0x1a1/0x8d0 [ 91.988907][ T7] device_initial_probe+0x4a/0x60 [ 91.993972][ T7] bus_probe_device+0x17b/0x3e0 [ 91.998839][ T7] device_add+0x1fff/0x26e0 [ 92.003372][ T7] usb_new_device+0x1b8e/0x2950 [ 92.008247][ T7] hub_event+0x58e3/0x89e0 [ 92.012703][ T7] ? kmsan_get_metadata+0x33/0x220 [ 92.017840][ T7] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 92.023694][ T7] ? led_work+0x7b0/0x7b0 [ 92.028057][ T7] process_one_work+0xdb6/0x1820 [ 92.033029][ T7] worker_thread+0x10b3/0x21e0 [ 92.037842][ T7] kthread+0x3c7/0x500 [ 92.041930][ T7] ? worker_clr_flags+0x370/0x370 [ 92.046970][ T7] ? kthread_blkcg+0x120/0x120 [ 92.051785][ T7] ret_from_fork+0x1f/0x30 [ 92.056245][ T7] [ 92.059453][ T7] Kernel Offset: disabled [ 92.063775][ T7] Rebooting in 86400 seconds..