Warning: Permanently added '10.128.1.69' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 92.991883][ T118] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 93.362312][ T118] usb 1-1: config 0 has an invalid interface number: 177 but max is 0 [ 93.370581][ T118] usb 1-1: config 0 has an invalid descriptor of length 36, skipping remainder of the config [ 93.380980][ T118] usb 1-1: config 0 has no interface number 0 [ 93.387222][ T118] usb 1-1: config 0 interface 177 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 1 [ 93.400570][ T118] usb 1-1: New USB device found, idVendor=0bda, idProduct=8192, bcdDevice=f7.ee [ 93.409783][ T118] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 93.421114][ T118] usb 1-1: config 0 descriptor?? [ 93.478766][ T118] r8712u: register rtl8712_netdev_ops to netdev_ops [ 93.485543][ T118] usb 1-1: r8712u: USB_SPEED_LOW with 0 endpoints executing program [ 93.722113][ T118] ===================================================== [ 93.729145][ T118] BUG: KMSAN: uninit-value in string+0x4ec/0x6f0 [ 93.735520][ T118] string+0x4ec/0x6f0 [ 93.739512][ T118] vsnprintf+0x2222/0x3650 [ 93.743941][ T118] pointer+0x1844/0x2060 [ 93.748193][ T118] vsnprintf+0x1a9b/0x3650 [ 93.752619][ T118] vprintk_store+0x537/0x2150 [ 93.757311][ T118] vprintk_emit+0x25c/0x950 [ 93.761828][ T118] dev_vprintk_emit+0x5ef/0x6d0 [ 93.766713][ T118] dev_printk_emit+0x1dd/0x21f [ 93.771490][ T118] __dev_printk+0x3be/0x440 [ 93.776006][ T118] _dev_info+0x1ea/0x22f [ 93.780258][ T118] r871xu_drv_init+0x1929/0x30a0 [ 93.785210][ T118] usb_probe_interface+0xf19/0x1600 [ 93.790418][ T118] really_probe+0x67d/0x1510 [ 93.795015][ T118] __driver_probe_device+0x3e9/0x530 [ 93.800318][ T118] __device_attach_driver+0x79f/0x1120 [ 93.805784][ T118] bus_for_each_drv+0x2d6/0x3f0 [ 93.810654][ T118] __device_attach+0x593/0x8e0 [ 93.815426][ T118] device_initial_probe+0x4a/0x60 [ 93.820456][ T118] bus_probe_device+0x17b/0x3e0 [ 93.825325][ T118] device_add+0x1d3e/0x2400 [ 93.829882][ T118] usb_set_configuration+0x37e9/0x3ed0 [ 93.835363][ T118] usb_generic_driver_probe+0x13c/0x300 [ 93.840927][ T118] usb_probe_device+0x309/0x570 [ 93.845797][ T118] really_probe+0x67d/0x1510 [ 93.850397][ T118] __driver_probe_device+0x3e9/0x530 [ 93.855690][ T118] __device_attach_driver+0x79f/0x1120 [ 93.861158][ T118] bus_for_each_drv+0x2d6/0x3f0 [ 93.866129][ T118] __device_attach+0x593/0x8e0 [ 93.870899][ T118] device_initial_probe+0x4a/0x60 [ 93.875929][ T118] bus_probe_device+0x17b/0x3e0 [ 93.880795][ T118] device_add+0x1d3e/0x2400 [ 93.885309][ T118] usb_new_device+0x1b8e/0x2950 [ 93.890173][ T118] hub_event+0x5ad2/0x8910 [ 93.894596][ T118] process_one_work+0xdb9/0x1820 [ 93.899553][ T118] worker_thread+0x10bc/0x21f0 [ 93.904333][ T118] kthread+0x721/0x850 [ 93.908414][ T118] ret_from_fork+0x1f/0x30 [ 93.912843][ T118] [ 93.915155][ T118] Local variable data created at: [ 93.920161][ T118] usb_read8+0x5d/0x130 [ 93.924322][ T118] r8712_read8+0xa5/0xd0 [ 93.928571][ T118] [ 93.930883][ T118] CPU: 1 PID: 118 Comm: kworker/1:2 Not tainted 5.16.0-rc5-syzkaller #0 [ 93.939216][ T118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.949271][ T118] Workqueue: usb_hub_wq hub_event [ 93.954311][ T118] ===================================================== [ 93.961229][ T118] Disabling lock debugging due to kernel taint [ 93.967371][ T118] Kernel panic - not syncing: kmsan.panic set ... [ 93.973774][ T118] CPU: 1 PID: 118 Comm: kworker/1:2 Tainted: G B 5.16.0-rc5-syzkaller #0 [ 93.983498][ T118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.993551][ T118] Workqueue: usb_hub_wq hub_event [ 93.998588][ T118] Call Trace: [ 94.001867][ T118] [ 94.004807][ T118] dump_stack_lvl+0x1ff/0x28e [ 94.009536][ T118] dump_stack+0x25/0x28 [ 94.013730][ T118] panic+0x487/0xe1f [ 94.017670][ T118] ? add_taint+0x181/0x210 [ 94.022122][ T118] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 94.028061][ T118] kmsan_report+0x2e6/0x2f0 [ 94.032632][ T118] ? __msan_warning+0xb8/0x130 [ 94.037438][ T118] ? string+0x4ec/0x6f0 [ 94.041625][ T118] ? vsnprintf+0x2222/0x3650 [ 94.046235][ T118] ? pointer+0x1844/0x2060 [ 94.050666][ T118] ? vsnprintf+0x1a9b/0x3650 [ 94.055267][ T118] ? vprintk_store+0x537/0x2150 [ 94.060132][ T118] ? vprintk_emit+0x25c/0x950 [ 94.064823][ T118] ? dev_vprintk_emit+0x5ef/0x6d0 [ 94.069863][ T118] ? dev_printk_emit+0x1dd/0x21f [ 94.074816][ T118] ? __dev_printk+0x3be/0x440 [ 94.079510][ T118] ? _dev_info+0x1ea/0x22f [ 94.083937][ T118] ? r871xu_drv_init+0x1929/0x30a0 [ 94.089066][ T118] ? usb_probe_interface+0xf19/0x1600 [ 94.094453][ T118] ? really_probe+0x67d/0x1510 [ 94.099224][ T118] ? __driver_probe_device+0x3e9/0x530 [ 94.104692][ T118] ? __device_attach_driver+0x79f/0x1120 [ 94.110336][ T118] ? bus_for_each_drv+0x2d6/0x3f0 [ 94.115381][ T118] ? __device_attach+0x593/0x8e0 [ 94.120327][ T118] ? device_initial_probe+0x4a/0x60 [ 94.125537][ T118] ? bus_probe_device+0x17b/0x3e0 [ 94.130607][ T118] ? device_add+0x1d3e/0x2400 [ 94.135336][ T118] ? usb_set_configuration+0x37e9/0x3ed0 [ 94.140994][ T118] ? usb_generic_driver_probe+0x13c/0x300 [ 94.146741][ T118] ? usb_probe_device+0x309/0x570 [ 94.151789][ T118] ? really_probe+0x67d/0x1510 [ 94.156562][ T118] ? __driver_probe_device+0x3e9/0x530 [ 94.162033][ T118] ? __device_attach_driver+0x79f/0x1120 [ 94.167682][ T118] ? bus_for_each_drv+0x2d6/0x3f0 [ 94.172728][ T118] ? __device_attach+0x593/0x8e0 [ 94.177670][ T118] ? device_initial_probe+0x4a/0x60 [ 94.182879][ T118] ? bus_probe_device+0x17b/0x3e0 [ 94.187924][ T118] ? device_add+0x1d3e/0x2400 [ 94.192617][ T118] ? usb_new_device+0x1b8e/0x2950 [ 94.197651][ T118] ? hub_event+0x5ad2/0x8910 [ 94.202289][ T118] ? process_one_work+0xdb9/0x1820 [ 94.207427][ T118] ? worker_thread+0x10bc/0x21f0 [ 94.212384][ T118] ? kthread+0x721/0x850 [ 94.216636][ T118] ? ret_from_fork+0x1f/0x30 [ 94.221242][ T118] ? kmsan_get_metadata+0x33/0x220 [ 94.226372][ T118] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 94.232635][ T118] ? kmsan_get_metadata+0x33/0x220 [ 94.237764][ T118] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 94.243592][ T118] __msan_warning+0xb8/0x130 [ 94.248197][ T118] string+0x4ec/0x6f0 [ 94.252200][ T118] vsnprintf+0x2222/0x3650 [ 94.256681][ T118] pointer+0x1844/0x2060 [ 94.260942][ T118] ? kmsan_get_metadata+0x33/0x220 [ 94.266076][ T118] vsnprintf+0x1a9b/0x3650 [ 94.270613][ T118] vprintk_store+0x537/0x2150 [ 94.275343][ T118] ? vsnprintf+0x355b/0x3650 [ 94.279961][ T118] ? snprintf+0x24a/0x290 [ 94.284312][ T118] vprintk_emit+0x25c/0x950 [ 94.288841][ T118] dev_vprintk_emit+0x5ef/0x6d0 [ 94.293720][ T118] dev_printk_emit+0x1dd/0x21f [ 94.298508][ T118] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 94.304335][ T118] __dev_printk+0x3be/0x440 [ 94.308863][ T118] _dev_info+0x1ea/0x22f [ 94.313128][ T118] ? usb_read8+0xe7/0x130 [ 94.317469][ T118] ? r871xu_drv_init+0x185e/0x30a0 [ 94.322597][ T118] ? r8712_read8+0xa5/0xd0 [ 94.327031][ T118] r871xu_drv_init+0x1929/0x30a0 [ 94.331988][ T118] ? __pm_runtime_set_status+0x1ac6/0x1e20 [ 94.337848][ T118] ? kmsan_get_metadata+0x33/0x220 [ 94.342977][ T118] ? r871x_dev_unload+0x310/0x310 [ 94.348013][ T118] ? r871x_dev_unload+0x310/0x310 [ 94.353062][ T118] usb_probe_interface+0xf19/0x1600 [ 94.358278][ T118] ? kmsan_get_metadata+0x33/0x220 [ 94.363413][ T118] ? usb_register_driver+0x900/0x900 [ 94.368704][ T118] really_probe+0x67d/0x1510 [ 94.373306][ T118] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 94.379399][ T118] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 94.385235][ T118] __driver_probe_device+0x3e9/0x530 [ 94.390539][ T118] __device_attach_driver+0x79f/0x1120 [ 94.396016][ T118] bus_for_each_drv+0x2d6/0x3f0 [ 94.400892][ T118] ? deferred_probe_work_func+0x4c0/0x4c0 [ 94.406630][ T118] __device_attach+0x593/0x8e0 [ 94.411407][ T118] ? cgroup_bpf_attach+0xe1/0x2640 [ 94.416534][ T118] device_initial_probe+0x4a/0x60 [ 94.421573][ T118] bus_probe_device+0x17b/0x3e0 [ 94.426455][ T118] device_add+0x1d3e/0x2400 [ 94.430986][ T118] usb_set_configuration+0x37e9/0x3ed0 [ 94.436471][ T118] ? usb_set_configuration+0xb31/0x3ed0 [ 94.442044][ T118] ? usb_choose_configuration+0xcbb/0xf90 [ 94.447807][ T118] usb_generic_driver_probe+0x13c/0x300 [ 94.453374][ T118] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 94.459203][ T118] ? usb_choose_configuration+0xf90/0xf90 [ 94.464943][ T118] usb_probe_device+0x309/0x570 [ 94.469817][ T118] ? kmsan_get_metadata+0x33/0x220 [ 94.474948][ T118] ? usb_register_device_driver+0x580/0x580 [ 94.480865][ T118] really_probe+0x67d/0x1510 [ 94.485467][ T118] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 94.491556][ T118] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 94.497387][ T118] __driver_probe_device+0x3e9/0x530 [ 94.502705][ T118] __device_attach_driver+0x79f/0x1120 [ 94.508186][ T118] bus_for_each_drv+0x2d6/0x3f0 [ 94.513055][ T118] ? deferred_probe_work_func+0x4c0/0x4c0 [ 94.518799][ T118] __device_attach+0x593/0x8e0 [ 94.523575][ T118] ? cgroup_bpf_attach+0xe1/0x2640 [ 94.528704][ T118] device_initial_probe+0x4a/0x60 [ 94.533742][ T118] bus_probe_device+0x17b/0x3e0 [ 94.538622][ T118] device_add+0x1d3e/0x2400 [ 94.543152][ T118] usb_new_device+0x1b8e/0x2950 [ 94.548026][ T118] hub_event+0x5ad2/0x8910 [ 94.552493][ T118] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 94.558317][ T118] ? led_work+0x7b0/0x7b0 [ 94.562659][ T118] ? led_work+0x7b0/0x7b0 [ 94.567000][ T118] process_one_work+0xdb9/0x1820 [ 94.571978][ T118] worker_thread+0x10bc/0x21f0 [ 94.576795][ T118] kthread+0x721/0x850 [ 94.580890][ T118] ? worker_clr_flags+0x370/0x370 [ 94.585949][ T118] ? kthread_blkcg+0x120/0x120 [ 94.590730][ T118] ret_from_fork+0x1f/0x30 [ 94.595166][ T118] [ 94.598460][ T118] Kernel Offset: disabled [ 94.602783][ T118] Rebooting in 86400 seconds..