Warning: Permanently added '10.128.0.20' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 89.591922][ T3149] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 89.962089][ T3149] usb 1-1: config 0 has an invalid interface number: 235 but max is 1 [ 89.970441][ T3149] usb 1-1: config 0 has an invalid interface number: 187 but max is 1 [ 89.978856][ T3149] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 89.989176][ T3149] usb 1-1: config 0 has no interface number 0 [ 89.995471][ T3149] usb 1-1: config 0 has no interface number 1 [ 90.001876][ T3149] usb 1-1: config 0 interface 235 altsetting 92 has an invalid endpoint with address 0x0, skipping [ 90.012895][ T3149] usb 1-1: config 0 interface 187 altsetting 0 endpoint 0x4 has invalid wMaxPacketSize 0 [ 90.022954][ T3149] usb 1-1: config 0 interface 187 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 90.033821][ T3149] usb 1-1: config 0 interface 187 altsetting 0 has a duplicate endpoint with address 0x4, skipping [ 90.044708][ T3149] usb 1-1: config 0 interface 187 altsetting 0 has 4 endpoint descriptors, different from the interface descriptor's value: 15 [ 90.058186][ T3149] usb 1-1: config 0 interface 235 has no altsetting 0 [ 90.222134][ T3149] usb 1-1: New USB device found, idVendor=2001, idProduct=3306, bcdDevice=a9.6f [ 90.231417][ T3149] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 90.239648][ T3149] usb 1-1: Product: syz [ 90.243977][ T3149] usb 1-1: Manufacturer: syz [ 90.248631][ T3149] usb 1-1: SerialNumber: syz [ 90.256644][ T3149] usb 1-1: config 0 descriptor?? [ 90.308433][ T3149] r8712u: register rtl8712_netdev_ops to netdev_ops [ 90.315189][ T3149] usb 1-1: r8712u: USB_SPEED_LOW with 0 endpoints executing program [ 90.552215][ T3149] ===================================================== [ 90.559256][ T3149] BUG: KMSAN: uninit-value in string+0x4ec/0x6f0 [ 90.565596][ T3149] string+0x4ec/0x6f0 [ 90.569591][ T3149] vsnprintf+0x2222/0x3650 [ 90.574016][ T3149] pointer+0x1844/0x2060 [ 90.578270][ T3149] vsnprintf+0x1a9b/0x3650 [ 90.582694][ T3149] vprintk_store+0x537/0x2150 [ 90.587384][ T3149] vprintk_emit+0x25c/0x950 [ 90.591903][ T3149] dev_vprintk_emit+0x5ef/0x6d0 [ 90.596779][ T3149] dev_printk_emit+0x1dd/0x21f [ 90.601563][ T3149] __dev_printk+0x3be/0x440 [ 90.606082][ T3149] _dev_info+0x1ea/0x22f [ 90.610336][ T3149] r871xu_drv_init+0x1929/0x30a0 [ 90.615295][ T3149] usb_probe_interface+0xf19/0x1600 [ 90.620532][ T3149] really_probe+0x67d/0x1510 [ 90.625156][ T3149] __driver_probe_device+0x3e9/0x530 [ 90.630472][ T3149] __device_attach_driver+0x79f/0x1120 [ 90.635971][ T3149] bus_for_each_drv+0x2d6/0x3f0 [ 90.640845][ T3149] __device_attach+0x593/0x8e0 [ 90.645632][ T3149] device_initial_probe+0x4a/0x60 [ 90.650678][ T3149] bus_probe_device+0x17b/0x3e0 [ 90.655551][ T3149] device_add+0x1d3e/0x2400 [ 90.660077][ T3149] usb_set_configuration+0x37e9/0x3ed0 [ 90.665570][ T3149] usb_generic_driver_probe+0x13c/0x300 [ 90.671143][ T3149] usb_probe_device+0x309/0x570 [ 90.676021][ T3149] really_probe+0x67d/0x1510 [ 90.680633][ T3149] __driver_probe_device+0x3e9/0x530 [ 90.685965][ T3149] __device_attach_driver+0x79f/0x1120 [ 90.691447][ T3149] bus_for_each_drv+0x2d6/0x3f0 [ 90.696318][ T3149] __device_attach+0x593/0x8e0 [ 90.701107][ T3149] device_initial_probe+0x4a/0x60 [ 90.706155][ T3149] bus_probe_device+0x17b/0x3e0 [ 90.711024][ T3149] device_add+0x1d3e/0x2400 [ 90.715581][ T3149] usb_new_device+0x1b8e/0x2950 [ 90.720454][ T3149] hub_event+0x5ad2/0x8910 [ 90.724893][ T3149] process_one_work+0xdb9/0x1820 [ 90.729864][ T3149] worker_thread+0x10bc/0x21f0 [ 90.734667][ T3149] kthread+0x721/0x850 [ 90.738751][ T3149] ret_from_fork+0x1f/0x30 [ 90.743197][ T3149] [ 90.745514][ T3149] Local variable data created at: [ 90.750523][ T3149] usb_read8+0x5d/0x130 [ 90.754684][ T3149] r8712_read8+0xa5/0xd0 [ 90.758938][ T3149] [ 90.761253][ T3149] CPU: 1 PID: 3149 Comm: kworker/1:3 Not tainted 5.16.0-rc5-syzkaller #0 [ 90.769675][ T3149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.779735][ T3149] Workqueue: usb_hub_wq hub_event [ 90.784779][ T3149] ===================================================== [ 90.791704][ T3149] Disabling lock debugging due to kernel taint [ 90.797857][ T3149] Kernel panic - not syncing: kmsan.panic set ... [ 90.804263][ T3149] CPU: 1 PID: 3149 Comm: kworker/1:3 Tainted: G B 5.16.0-rc5-syzkaller #0 [ 90.814143][ T3149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.824206][ T3149] Workqueue: usb_hub_wq hub_event [ 90.829251][ T3149] Call Trace: [ 90.832524][ T3149] [ 90.835450][ T3149] dump_stack_lvl+0x1ff/0x28e [ 90.840152][ T3149] dump_stack+0x25/0x28 [ 90.844322][ T3149] panic+0x487/0xe1f [ 90.848249][ T3149] ? add_taint+0x181/0x210 [ 90.852675][ T3149] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 90.858513][ T3149] kmsan_report+0x2e6/0x2f0 [ 90.863044][ T3149] ? __msan_warning+0xb8/0x130 [ 90.867840][ T3149] ? string+0x4ec/0x6f0 [ 90.872007][ T3149] ? vsnprintf+0x2222/0x3650 [ 90.876614][ T3149] ? pointer+0x1844/0x2060 [ 90.881041][ T3149] ? vsnprintf+0x1a9b/0x3650 [ 90.885641][ T3149] ? vprintk_store+0x537/0x2150 [ 90.890508][ T3149] ? vprintk_emit+0x25c/0x950 [ 90.895202][ T3149] ? dev_vprintk_emit+0x5ef/0x6d0 [ 90.900243][ T3149] ? dev_printk_emit+0x1dd/0x21f [ 90.905195][ T3149] ? __dev_printk+0x3be/0x440 [ 90.909891][ T3149] ? _dev_info+0x1ea/0x22f [ 90.914331][ T3149] ? r871xu_drv_init+0x1929/0x30a0 [ 90.919456][ T3149] ? usb_probe_interface+0xf19/0x1600 [ 90.924854][ T3149] ? really_probe+0x67d/0x1510 [ 90.929641][ T3149] ? __driver_probe_device+0x3e9/0x530 [ 90.935124][ T3149] ? __device_attach_driver+0x79f/0x1120 [ 90.940786][ T3149] ? bus_for_each_drv+0x2d6/0x3f0 [ 90.945837][ T3149] ? __device_attach+0x593/0x8e0 [ 90.950798][ T3149] ? device_initial_probe+0x4a/0x60 [ 90.956020][ T3149] ? bus_probe_device+0x17b/0x3e0 [ 90.961065][ T3149] ? device_add+0x1d3e/0x2400 [ 90.965758][ T3149] ? usb_set_configuration+0x37e9/0x3ed0 [ 90.971411][ T3149] ? usb_generic_driver_probe+0x13c/0x300 [ 90.977208][ T3149] ? usb_probe_device+0x309/0x570 [ 90.982257][ T3149] ? really_probe+0x67d/0x1510 [ 90.987046][ T3149] ? __driver_probe_device+0x3e9/0x530 [ 90.992530][ T3149] ? __device_attach_driver+0x79f/0x1120 [ 90.998235][ T3149] ? bus_for_each_drv+0x2d6/0x3f0 [ 91.003288][ T3149] ? __device_attach+0x593/0x8e0 [ 91.008249][ T3149] ? device_initial_probe+0x4a/0x60 [ 91.013472][ T3149] ? bus_probe_device+0x17b/0x3e0 [ 91.018516][ T3149] ? device_add+0x1d3e/0x2400 [ 91.023251][ T3149] ? usb_new_device+0x1b8e/0x2950 [ 91.028288][ T3149] ? hub_event+0x5ad2/0x8910 [ 91.032889][ T3149] ? process_one_work+0xdb9/0x1820 [ 91.038041][ T3149] ? worker_thread+0x10bc/0x21f0 [ 91.043004][ T3149] ? kthread+0x721/0x850 [ 91.047260][ T3149] ? ret_from_fork+0x1f/0x30 [ 91.051874][ T3149] ? kmsan_get_metadata+0x33/0x220 [ 91.057030][ T3149] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 91.063297][ T3149] ? kmsan_get_metadata+0x33/0x220 [ 91.068429][ T3149] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 91.074261][ T3149] __msan_warning+0xb8/0x130 [ 91.078872][ T3149] string+0x4ec/0x6f0 [ 91.082883][ T3149] vsnprintf+0x2222/0x3650 [ 91.087332][ T3149] pointer+0x1844/0x2060 [ 91.091592][ T3149] ? kmsan_get_metadata+0x33/0x220 [ 91.096725][ T3149] vsnprintf+0x1a9b/0x3650 [ 91.101171][ T3149] vprintk_store+0x537/0x2150 [ 91.105878][ T3149] ? vsnprintf+0x355b/0x3650 [ 91.110516][ T3149] ? snprintf+0x24a/0x290 [ 91.114930][ T3149] vprintk_emit+0x25c/0x950 [ 91.119481][ T3149] dev_vprintk_emit+0x5ef/0x6d0 [ 91.124367][ T3149] dev_printk_emit+0x1dd/0x21f [ 91.129159][ T3149] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 91.135010][ T3149] __dev_printk+0x3be/0x440 [ 91.139585][ T3149] _dev_info+0x1ea/0x22f [ 91.143852][ T3149] ? usb_read8+0xe7/0x130 [ 91.148192][ T3149] ? r871xu_drv_init+0x185e/0x30a0 [ 91.153318][ T3149] ? r8712_read8+0xa5/0xd0 [ 91.157748][ T3149] r871xu_drv_init+0x1929/0x30a0 [ 91.162701][ T3149] ? __pm_runtime_set_status+0x1ac6/0x1e20 [ 91.168546][ T3149] ? kmsan_get_metadata+0x33/0x220 [ 91.173695][ T3149] ? r871x_dev_unload+0x310/0x310 [ 91.178747][ T3149] ? r871x_dev_unload+0x310/0x310 [ 91.183812][ T3149] usb_probe_interface+0xf19/0x1600 [ 91.189044][ T3149] ? kmsan_get_metadata+0x33/0x220 [ 91.194183][ T3149] ? usb_register_driver+0x900/0x900 [ 91.199502][ T3149] really_probe+0x67d/0x1510 [ 91.204117][ T3149] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 91.210209][ T3149] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 91.216041][ T3149] __driver_probe_device+0x3e9/0x530 [ 91.221362][ T3149] __device_attach_driver+0x79f/0x1120 [ 91.226856][ T3149] bus_for_each_drv+0x2d6/0x3f0 [ 91.231731][ T3149] ? deferred_probe_work_func+0x4c0/0x4c0 [ 91.237514][ T3149] __device_attach+0x593/0x8e0 [ 91.242318][ T3149] ? cgroup_bpf_attach+0xe1/0x2640 [ 91.247468][ T3149] device_initial_probe+0x4a/0x60 [ 91.252536][ T3149] bus_probe_device+0x17b/0x3e0 [ 91.257420][ T3149] device_add+0x1d3e/0x2400 [ 91.261955][ T3149] usb_set_configuration+0x37e9/0x3ed0 [ 91.267447][ T3149] ? usb_set_configuration+0xb51/0x3ed0 [ 91.273042][ T3149] usb_generic_driver_probe+0x13c/0x300 [ 91.278607][ T3149] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 91.284441][ T3149] ? usb_choose_configuration+0xf90/0xf90 [ 91.290185][ T3149] usb_probe_device+0x309/0x570 [ 91.295057][ T3149] ? kmsan_get_metadata+0x33/0x220 [ 91.300195][ T3149] ? usb_register_device_driver+0x580/0x580 [ 91.306114][ T3149] really_probe+0x67d/0x1510 [ 91.310728][ T3149] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 91.316820][ T3149] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 91.322656][ T3149] __driver_probe_device+0x3e9/0x530 [ 91.327976][ T3149] __device_attach_driver+0x79f/0x1120 [ 91.333470][ T3149] bus_for_each_drv+0x2d6/0x3f0 [ 91.338341][ T3149] ? deferred_probe_work_func+0x4c0/0x4c0 [ 91.344094][ T3149] __device_attach+0x593/0x8e0 [ 91.348889][ T3149] ? cgroup_bpf_attach+0xe1/0x2640 [ 91.354020][ T3149] device_initial_probe+0x4a/0x60 [ 91.359072][ T3149] bus_probe_device+0x17b/0x3e0 [ 91.363949][ T3149] device_add+0x1d3e/0x2400 [ 91.368474][ T3149] usb_new_device+0x1b8e/0x2950 [ 91.373348][ T3149] hub_event+0x5ad2/0x8910 [ 91.377881][ T3149] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 91.383709][ T3149] ? led_work+0x7b0/0x7b0 [ 91.388051][ T3149] ? led_work+0x7b0/0x7b0 [ 91.392391][ T3149] process_one_work+0xdb9/0x1820 [ 91.397370][ T3149] worker_thread+0x10bc/0x21f0 [ 91.402179][ T3149] kthread+0x721/0x850 [ 91.406262][ T3149] ? worker_clr_flags+0x370/0x370 [ 91.411314][ T3149] ? kthread_blkcg+0x120/0x120 [ 91.416096][ T3149] ret_from_fork+0x1f/0x30 [ 91.420540][ T3149] [ 91.423813][ T3149] Kernel Offset: disabled [ 91.428142][ T3149] Rebooting in 86400 seconds..