Warning: Permanently added '10.128.0.186' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 89.083101][ T3904] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 89.323058][ T3904] usb 1-1: Using ep0 maxpacket: 16 [ 89.443335][ T3904] usb 1-1: config 0 has an invalid interface number: 105 but max is 0 [ 89.451581][ T3904] usb 1-1: config 0 has no interface number 0 [ 89.457861][ T3904] usb 1-1: New USB device found, idVendor=15a4, idProduct=9020, bcdDevice=ba.2a [ 89.466996][ T3904] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 89.476374][ T3904] usb 1-1: config 0 descriptor?? [ 89.521553][ T3904] ===================================================== [ 89.521557][ T3904] BUG: KMSAN: uninit-value in number+0x32e/0x1e40 [ 89.521560][ T3904] CPU: 1 PID: 3904 Comm: kworker/1:2 Not tainted 5.4.0-rc3+ #0 [ 89.521565][ T3904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.521567][ T3904] Workqueue: usb_hub_wq hub_event [ 89.521571][ T3904] Call Trace: [ 89.521574][ T3904] dump_stack+0x191/0x1f0 [ 89.521576][ T3904] kmsan_report+0x128/0x220 [ 89.521578][ T3904] __msan_warning+0x73/0xe0 [ 89.521581][ T3904] number+0x32e/0x1e40 [ 89.521583][ T3904] ? __msan_poison_alloca+0x158/0x1a0 [ 89.521586][ T3904] ? update_stack_state+0xa12/0xb40 [ 89.521589][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521591][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521594][ T3904] vsnprintf+0x1e99/0x3210 [ 89.521596][ T3904] vscnprintf+0xc2/0x180 [ 89.521598][ T3904] vprintk_store+0xef/0x11e0 [ 89.521601][ T3904] ? kmsan_internal_unpoison_shadow+0x42/0x80 [ 89.521604][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521606][ T3904] vprintk_emit+0x2fd/0x8d0 [ 89.521609][ T3904] ? kmsan_internal_set_origin+0x6a/0xb0 [ 89.521611][ T3904] vprintk_default+0x90/0xa0 [ 89.521614][ T3904] vprintk_func+0x635/0x810 [ 89.521616][ T3904] ? __msan_poison_alloca+0x158/0x1a0 [ 89.521619][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521621][ T3904] printk+0x180/0x1c3 [ 89.521624][ T3904] af9005_boot_packet+0xedc/0x17d0 [ 89.521626][ T3904] af9005_identify_state+0x13e/0x420 [ 89.521629][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521631][ T3904] ? af9005_power_ctrl+0x30/0x30 [ 89.521634][ T3904] dvb_usb_device_init+0xb72/0x2e10 [ 89.521636][ T3904] ? pm_runtime_enable+0x303/0x4e0 [ 89.521639][ T3904] ? __pm_runtime_set_status+0xfce/0x1400 [ 89.521641][ T3904] af9005_usb_probe+0x73/0x80 [ 89.521644][ T3904] ? af9005_led_control+0x300/0x300 [ 89.521647][ T3904] usb_probe_interface+0xd19/0x1310 [ 89.521649][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521652][ T3904] ? usb_register_driver+0x860/0x860 [ 89.521654][ T3904] really_probe+0xd91/0x1f90 [ 89.521657][ T3904] driver_probe_device+0x1ba/0x510 [ 89.521659][ T3904] __device_attach_driver+0x5b8/0x790 [ 89.521662][ T3904] bus_for_each_drv+0x28e/0x3b0 [ 89.521665][ T3904] ? deferred_probe_work_func+0x400/0x400 [ 89.521667][ T3904] __device_attach+0x489/0x750 [ 89.521669][ T3904] device_initial_probe+0x4a/0x60 [ 89.521672][ T3904] bus_probe_device+0x131/0x390 [ 89.521674][ T3904] device_add+0x25b5/0x2df0 [ 89.521677][ T3904] usb_set_configuration+0x309f/0x3710 [ 89.521680][ T3904] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 89.521682][ T3904] generic_probe+0xe7/0x280 [ 89.521685][ T3904] ? usb_choose_configuration+0xae0/0xae0 [ 89.521687][ T3904] usb_probe_device+0x146/0x200 [ 89.521690][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521693][ T3904] ? usb_register_device_driver+0x500/0x500 [ 89.521695][ T3904] really_probe+0xd91/0x1f90 [ 89.521698][ T3904] driver_probe_device+0x1ba/0x510 [ 89.521700][ T3904] __device_attach_driver+0x5b8/0x790 [ 89.521703][ T3904] bus_for_each_drv+0x28e/0x3b0 [ 89.521705][ T3904] ? deferred_probe_work_func+0x400/0x400 [ 89.521708][ T3904] __device_attach+0x489/0x750 [ 89.521710][ T3904] device_initial_probe+0x4a/0x60 [ 89.521713][ T3904] bus_probe_device+0x131/0x390 [ 89.521715][ T3904] device_add+0x25b5/0x2df0 [ 89.521718][ T3904] usb_new_device+0x23e5/0x2fb0 [ 89.521720][ T3904] hub_event+0x581d/0x72f0 [ 89.521723][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521725][ T3904] ? led_work+0x720/0x720 [ 89.521728][ T3904] ? led_work+0x720/0x720 [ 89.521730][ T3904] process_one_work+0x1572/0x1ef0 [ 89.521745][ T3904] worker_thread+0x111b/0x2460 [ 89.521747][ T3904] kthread+0x4b5/0x4f0 [ 89.521750][ T3904] ? process_one_work+0x1ef0/0x1ef0 [ 89.521752][ T3904] ? kthread_blkcg+0xf0/0xf0 [ 89.521755][ T3904] ret_from_fork+0x35/0x40 [ 89.521756][ T3904] [ 89.521760][ T3904] Local variable description: ----act_len@af9005_boot_packet [ 89.521762][ T3904] Variable was created at: [ 89.521765][ T3904] af9005_boot_packet+0x98/0x17d0 [ 89.521768][ T3904] af9005_boot_packet+0x98/0x17d0 [ 89.521771][ T3904] ===================================================== [ 89.521774][ T3904] Disabling lock debugging due to kernel taint [ 89.521777][ T3904] Kernel panic - not syncing: panic_on_warn set ... [ 89.521781][ T3904] CPU: 1 PID: 3904 Comm: kworker/1:2 Tainted: G B 5.4.0-rc3+ #0 [ 89.521785][ T3904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.521787][ T3904] Workqueue: usb_hub_wq hub_event [ 89.521791][ T3904] Call Trace: [ 89.521793][ T3904] dump_stack+0x191/0x1f0 [ 89.521796][ T3904] panic+0x3c9/0xc1e [ 89.521798][ T3904] kmsan_report+0x215/0x220 [ 89.521800][ T3904] __msan_warning+0x73/0xe0 [ 89.521803][ T3904] number+0x32e/0x1e40 [ 89.521805][ T3904] ? __msan_poison_alloca+0x158/0x1a0 [ 89.521808][ T3904] ? update_stack_state+0xa12/0xb40 [ 89.521810][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521813][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521816][ T3904] vsnprintf+0x1e99/0x3210 [ 89.521818][ T3904] vscnprintf+0xc2/0x180 [ 89.521820][ T3904] vprintk_store+0xef/0x11e0 [ 89.521823][ T3904] ? kmsan_internal_unpoison_shadow+0x42/0x80 [ 89.521826][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521828][ T3904] vprintk_emit+0x2fd/0x8d0 [ 89.521831][ T3904] ? kmsan_internal_set_origin+0x6a/0xb0 [ 89.521833][ T3904] vprintk_default+0x90/0xa0 [ 89.521836][ T3904] vprintk_func+0x635/0x810 [ 89.521838][ T3904] ? __msan_poison_alloca+0x158/0x1a0 [ 89.521841][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521843][ T3904] printk+0x180/0x1c3 [ 89.521846][ T3904] af9005_boot_packet+0xedc/0x17d0 [ 89.521848][ T3904] af9005_identify_state+0x13e/0x420 [ 89.521851][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521853][ T3904] ? af9005_power_ctrl+0x30/0x30 [ 89.521856][ T3904] dvb_usb_device_init+0xb72/0x2e10 [ 89.521859][ T3904] ? pm_runtime_enable+0x303/0x4e0 [ 89.521861][ T3904] ? __pm_runtime_set_status+0xfce/0x1400 [ 89.521864][ T3904] af9005_usb_probe+0x73/0x80 [ 89.521866][ T3904] ? af9005_led_control+0x300/0x300 [ 89.521869][ T3904] usb_probe_interface+0xd19/0x1310 [ 89.521871][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521874][ T3904] ? usb_register_driver+0x860/0x860 [ 89.521876][ T3904] really_probe+0xd91/0x1f90 [ 89.521879][ T3904] driver_probe_device+0x1ba/0x510 [ 89.521882][ T3904] __device_attach_driver+0x5b8/0x790 [ 89.521884][ T3904] bus_for_each_drv+0x28e/0x3b0 [ 89.521887][ T3904] ? deferred_probe_work_func+0x400/0x400 [ 89.521889][ T3904] __device_attach+0x489/0x750 [ 89.521892][ T3904] device_initial_probe+0x4a/0x60 [ 89.521894][ T3904] bus_probe_device+0x131/0x390 [ 89.521896][ T3904] device_add+0x25b5/0x2df0 [ 89.521899][ T3904] usb_set_configuration+0x309f/0x3710 [ 89.521902][ T3904] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 89.521904][ T3904] generic_probe+0xe7/0x280 [ 89.521907][ T3904] ? usb_choose_configuration+0xae0/0xae0 [ 89.521909][ T3904] usb_probe_device+0x146/0x200 [ 89.521912][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521915][ T3904] ? usb_register_device_driver+0x500/0x500 [ 89.521917][ T3904] really_probe+0xd91/0x1f90 [ 89.521920][ T3904] driver_probe_device+0x1ba/0x510 [ 89.521922][ T3904] __device_attach_driver+0x5b8/0x790 [ 89.521925][ T3904] bus_for_each_drv+0x28e/0x3b0 [ 89.521927][ T3904] ? deferred_probe_work_func+0x400/0x400 [ 89.521930][ T3904] __device_attach+0x489/0x750 [ 89.521932][ T3904] device_initial_probe+0x4a/0x60 [ 89.521935][ T3904] bus_probe_device+0x131/0x390 [ 89.521937][ T3904] device_add+0x25b5/0x2df0 [ 89.521940][ T3904] usb_new_device+0x23e5/0x2fb0 [ 89.521942][ T3904] hub_event+0x581d/0x72f0 [ 89.521945][ T3904] ? kmsan_get_shadow_origin_ptr+0x91/0x4b0 [ 89.521947][ T3904] ? led_work+0x720/0x720 [ 89.521949][ T3904] ? led_work+0x720/0x720 [ 89.521952][ T3904] process_one_work+0x1572/0x1ef0 [ 89.521954][ T3904] worker_thread+0x111b/0x2460 [ 89.521957][ T3904] kthread+0x4b5/0x4f0 [ 89.521959][ T3904] ? process_one_work+0x1ef0/0x1ef0 [ 89.521962][ T3904] ? kthread_blkcg+0xf0/0xf0 [ 89.521964][ T3904] ret_from_fork+0x35/0x40 [ 89.521967][ T3904] Kernel Offset: disabled