[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.123' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 136.296262][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 136.666425][ T7] usb 1-1: config 0 has an invalid interface number: 250 but max is 0 [ 136.674889][ T7] usb 1-1: config 0 has no interface number 0 [ 136.681335][ T7] usb 1-1: New USB device found, idVendor=0df6, idProduct=004b, bcdDevice=99.a5 [ 136.690702][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 136.708541][ T7] usb 1-1: config 0 descriptor?? [ 136.764164][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 136.771291][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 136.886395][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 136.892102][ C0] ===================================================== [ 136.892125][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 136.892146][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.12.0-rc6-syzkaller #0 [ 136.892170][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.892194][ C0] Workqueue: usb_hub_wq hub_event [ 136.892223][ C0] Call Trace: [ 136.892237][ C0] dump_stack+0x24c/0x2e0 [ 136.892251][ C0] kmsan_report+0xfb/0x1e0 [ 136.892267][ C0] __msan_warning+0x5c/0xa0 [ 136.892281][ C0] string+0x573/0x6d0 [ 136.892295][ C0] vsnprintf+0x1acd/0x3600 [ 136.892310][ C0] pointer+0x1cbb/0x1ea0 [ 136.892332][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.892369][ C0] vsnprintf+0x15f2/0x3600 [ 136.892401][ C0] vprintk_store+0x2ab/0x1df0 [ 136.892434][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 136.892474][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 136.892512][ C0] ? __printk_safe_enter+0xe/0x30 [ 136.892530][ C0] vprintk_emit+0x28e/0x8b0 [ 136.892545][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 136.892561][ C0] dev_printk_emit+0x1ce/0x210 [ 136.892577][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 136.892595][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.892612][ C0] __dev_printk+0x3dc/0x458 [ 136.892627][ C0] _dev_info+0x1e5/0x22a [ 136.892641][ C0] ? usb_read8+0xe7/0x130 [ 136.892669][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 136.892702][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 136.892719][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 136.892735][ C0] ? r871x_dev_unload+0x310/0x310 [ 136.892751][ C0] usb_probe_interface+0xfcc/0x1520 [ 136.892767][ C0] ? usb_register_driver+0x900/0x900 [ 136.892784][ C0] really_probe+0xe15/0x24d0 [ 136.892799][ C0] driver_probe_device+0x29d/0x3a0 [ 136.892816][ C0] __device_attach_driver+0x63f/0x830 [ 136.892832][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 136.892848][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 136.892865][ C0] __device_attach+0x56a/0x890 [ 136.892881][ C0] device_initial_probe+0x4a/0x60 [ 136.892897][ C0] bus_probe_device+0x17e/0x3d0 [ 136.892917][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.892934][ C0] device_add+0x2c15/0x31d0 [ 136.892949][ C0] usb_set_configuration+0x3872/0x3eb0 [ 136.892966][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 136.892984][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 136.893001][ C0] usb_generic_driver_probe+0x138/0x300 [ 136.893019][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 136.893035][ C0] usb_probe_device+0x317/0x570 [ 136.893052][ C0] ? usb_register_device_driver+0x590/0x590 [ 136.893069][ C0] really_probe+0xe15/0x24d0 [ 136.893084][ C0] driver_probe_device+0x29d/0x3a0 [ 136.893100][ C0] __device_attach_driver+0x63f/0x830 [ 136.893117][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 136.893133][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 136.893149][ C0] __device_attach+0x56a/0x890 [ 136.893165][ C0] device_initial_probe+0x4a/0x60 [ 136.893180][ C0] bus_probe_device+0x17e/0x3d0 [ 136.893197][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.893213][ C0] device_add+0x2c15/0x31d0 [ 136.893229][ C0] usb_new_device+0x1bd4/0x2a30 [ 136.893244][ C0] hub_event+0x5b99/0x8870 [ 136.893259][ C0] ? kmsan_get_metadata+0x116/0x180 [ 136.893276][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.893292][ C0] ? led_work+0x780/0x780 [ 136.893307][ C0] process_one_work+0x1219/0x1fe0 [ 136.893323][ C0] worker_thread+0x10ec/0x2340 [ 136.893338][ C0] kthread+0x521/0x560 [ 136.893352][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 136.893368][ C0] ? kthread_blkcg+0x110/0x110 [ 136.893383][ C0] ret_from_fork+0x1f/0x30 [ 136.893397][ C0] [ 136.893410][ C0] Local variable ----data@usb_read8 created at: [ 136.893428][ C0] usb_read8+0x5d/0x130 [ 136.893443][ C0] usb_read8+0x5d/0x130 [ 136.893460][ C0] ===================================================== [ 136.893480][ C0] Disabling lock debugging due to kernel taint [ 136.893511][ C0] ===================================================== [ 136.893554][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 136.893601][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 136.893658][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.893690][ C0] Workqueue: usb_hub_wq hub_event [ 136.893717][ C0] Call Trace: [ 136.893730][ C0] dump_stack+0x24c/0x2e0 [ 136.893744][ C0] kmsan_report+0xfb/0x1e0 [ 136.893759][ C0] __msan_warning+0x5c/0xa0 [ 136.893773][ C0] string+0x573/0x6d0 [ 136.893787][ C0] vsnprintf+0x1acd/0x3600 [ 136.893801][ C0] pointer+0x1cbb/0x1ea0 [ 136.893816][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.893833][ C0] vsnprintf+0x15f2/0x3600 [ 136.893848][ C0] vprintk_store+0x2ab/0x1df0 [ 136.893864][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 136.893881][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 136.893898][ C0] ? __printk_safe_enter+0xe/0x30 [ 136.893918][ C0] vprintk_emit+0x28e/0x8b0 [ 136.893933][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 136.893949][ C0] dev_printk_emit+0x1ce/0x210 [ 136.893964][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 136.893981][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.893998][ C0] __dev_printk+0x3dc/0x458 [ 136.894013][ C0] _dev_info+0x1e5/0x22a [ 136.894027][ C0] ? usb_read8+0xe7/0x130 [ 136.894044][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 136.894061][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 136.894078][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 136.894093][ C0] ? r871x_dev_unload+0x310/0x310 [ 136.894109][ C0] usb_probe_interface+0xfcc/0x1520 [ 136.894126][ C0] ? usb_register_driver+0x900/0x900 [ 136.894142][ C0] really_probe+0xe15/0x24d0 [ 136.894157][ C0] driver_probe_device+0x29d/0x3a0 [ 136.894173][ C0] __device_attach_driver+0x63f/0x830 [ 136.894190][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 136.894206][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 136.894223][ C0] __device_attach+0x56a/0x890 [ 136.894238][ C0] device_initial_probe+0x4a/0x60 [ 136.894254][ C0] bus_probe_device+0x17e/0x3d0 [ 136.894270][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.894287][ C0] device_add+0x2c15/0x31d0 [ 136.894302][ C0] usb_set_configuration+0x3872/0x3eb0 [ 136.894319][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 136.894336][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 136.894354][ C0] usb_generic_driver_probe+0x138/0x300 [ 136.894379][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 136.894396][ C0] usb_probe_device+0x317/0x570 [ 136.894412][ C0] ? usb_register_device_driver+0x590/0x590 [ 136.894429][ C0] really_probe+0xe15/0x24d0 [ 136.894444][ C0] driver_probe_device+0x29d/0x3a0 [ 136.894460][ C0] __device_attach_driver+0x63f/0x830 [ 136.894477][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 136.894493][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 136.894510][ C0] __device_attach+0x56a/0x890 [ 136.894525][ C0] device_initial_probe+0x4a/0x60 [ 136.894541][ C0] bus_probe_device+0x17e/0x3d0 [ 136.894557][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.894574][ C0] device_add+0x2c15/0x31d0 [ 136.894589][ C0] usb_new_device+0x1bd4/0x2a30 [ 136.894604][ C0] hub_event+0x5b99/0x8870 [ 136.894619][ C0] ? kmsan_get_metadata+0x116/0x180 [ 136.894636][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.894655][ C0] ? led_work+0x780/0x780 [ 136.894687][ C0] process_one_work+0x1219/0x1fe0 [ 136.894721][ C0] worker_thread+0x10ec/0x2340 [ 136.894753][ C0] kthread+0x521/0x560 [ 136.894785][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 136.894820][ C0] ? kthread_blkcg+0x110/0x110 [ 136.894844][ C0] ret_from_fork+0x1f/0x30 [ 136.894858][ C0] [ 136.894871][ C0] Local variable ----data@usb_read8 created at: [ 136.894889][ C0] usb_read8+0x5d/0x130 [ 136.894904][ C0] usb_read8+0x5d/0x130 [ 136.894924][ C0] ===================================================== [ 136.894945][ C0] ===================================================== [ 136.894966][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 136.894987][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 136.895013][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.895037][ C0] Workqueue: usb_hub_wq hub_event [ 136.895063][ C0] Call Trace: [ 136.895076][ C0] dump_stack+0x24c/0x2e0 [ 136.895091][ C0] kmsan_report+0xfb/0x1e0 [ 136.895105][ C0] __msan_warning+0x5c/0xa0 [ 136.895120][ C0] string+0x573/0x6d0 [ 136.895134][ C0] vsnprintf+0x1acd/0x3600 [ 136.895148][ C0] pointer+0x1cbb/0x1ea0 [ 136.895163][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.895179][ C0] vsnprintf+0x15f2/0x3600 [ 136.895194][ C0] vprintk_store+0x2ab/0x1df0 [ 136.895210][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 136.895227][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 136.895243][ C0] ? __printk_safe_enter+0xe/0x30 [ 136.895259][ C0] vprintk_emit+0x28e/0x8b0 [ 136.895274][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 136.895289][ C0] dev_printk_emit+0x1ce/0x210 [ 136.895305][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 136.895322][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.895338][ C0] __dev_printk+0x3dc/0x458 [ 136.895353][ C0] _dev_info+0x1e5/0x22a [ 136.895367][ C0] ? usb_read8+0xe7/0x130 [ 136.895382][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 136.895398][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 136.895414][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 136.895430][ C0] ? r871x_dev_unload+0x310/0x310 [ 136.895446][ C0] usb_probe_interface+0xfcc/0x1520 [ 136.895462][ C0] ? usb_register_driver+0x900/0x900 [ 136.895478][ C0] really_probe+0xe15/0x24d0 [ 136.895493][ C0] driver_probe_device+0x29d/0x3a0 [ 136.895509][ C0] __device_attach_driver+0x63f/0x830 [ 136.895526][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 136.895541][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 136.895558][ C0] __device_attach+0x56a/0x890 [ 136.895574][ C0] device_initial_probe+0x4a/0x60 [ 136.895589][ C0] bus_probe_device+0x17e/0x3d0 [ 136.895605][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.895622][ C0] device_add+0x2c15/0x31d0 [ 136.895637][ C0] usb_set_configuration+0x3872/0x3eb0 [ 136.895654][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 136.895671][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 136.895689][ C0] usb_generic_driver_probe+0x138/0x300 [ 136.895706][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 136.895723][ C0] usb_probe_device+0x317/0x570 [ 136.895739][ C0] ? usb_register_device_driver+0x590/0x590 [ 136.895756][ C0] really_probe+0xe15/0x24d0 [ 136.895771][ C0] driver_probe_device+0x29d/0x3a0 [ 136.895787][ C0] __device_attach_driver+0x63f/0x830 [ 136.895803][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 136.895828][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 136.895864][ C0] __device_attach+0x56a/0x890 [ 136.895898][ C0] device_initial_probe+0x4a/0x60 [ 136.895937][ C0] bus_probe_device+0x17e/0x3d0 [ 136.895976][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.896012][ C0] device_add+0x2c15/0x31d0 [ 136.896044][ C0] usb_new_device+0x1bd4/0x2a30 [ 136.896077][ C0] hub_event+0x5b99/0x8870 [ 136.896109][ C0] ? kmsan_get_metadata+0x116/0x180 [ 136.896144][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.896179][ C0] ? led_work+0x780/0x780 [ 136.896210][ C0] process_one_work+0x1219/0x1fe0 [ 136.896244][ C0] worker_thread+0x10ec/0x2340 [ 136.896274][ C0] kthread+0x521/0x560 [ 136.896304][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 136.896336][ C0] ? kthread_blkcg+0x110/0x110 [ 136.896368][ C0] ret_from_fork+0x1f/0x30 [ 136.896398][ C0] [ 136.896425][ C0] Local variable ----data@usb_read8 created at: [ 136.896463][ C0] usb_read8+0x5d/0x130 [ 136.896495][ C0] usb_read8+0x5d/0x130 [ 136.896531][ C0] ===================================================== [ 136.896577][ C0] ===================================================== [ 136.896623][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 136.896669][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 136.896728][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.896779][ C0] Workqueue: usb_hub_wq hub_event [ 136.896837][ C0] Call Trace: [ 136.896865][ C0] dump_stack+0x24c/0x2e0 [ 136.896898][ C0] kmsan_report+0xfb/0x1e0 [ 136.896937][ C0] __msan_warning+0x5c/0xa0 [ 136.896969][ C0] string+0x573/0x6d0 [ 136.896998][ C0] vsnprintf+0x1acd/0x3600 [ 136.897029][ C0] pointer+0x1cbb/0x1ea0 [ 136.897062][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.897098][ C0] vsnprintf+0x15f2/0x3600 [ 136.897131][ C0] vprintk_store+0x2ab/0x1df0 [ 136.897165][ C0] ? kmsan_internal_set_origin+0 [ 136.897222][ C0] Lost 1731 message(s)! [ 138.178262][ T7] ===================================================== [ 138.185214][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 138.192596][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 138.202244][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.212318][ T7] Workqueue: usb_hub_wq hub_event [ 138.217376][ T7] Call Trace: [ 138.220645][ T7] dump_stack+0x24c/0x2e0 [ 138.224972][ T7] kmsan_report+0xfb/0x1e0 [ 138.229403][ T7] __msan_warning+0x5c/0xa0 [ 138.233894][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 138.238832][ T7] ? r871x_dev_unload+0x310/0x310 [ 138.244006][ T7] usb_probe_interface+0xfcc/0x1520 executing program [ 138.249206][ T7] ? usb_register_driver+0x900/0x900 [ 138.254492][ T7] really_probe+0xe15/0x24d0 [ 138.259072][ T7] driver_probe_device+0x29d/0x3a0 [ 138.264177][ T7] __device_attach_driver+0x63f/0x830 [ 138.269578][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 138.274426][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 138.280168][ T7] __device_attach+0x56a/0x890 [ 138.284943][ T7] device_initial_probe+0x4a/0x60 [ 138.289954][ T7] bus_probe_device+0x17e/0x3d0 [ 138.295497][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.301649][ T7] device_add+0x2c15/0x31d0 [ 138.306178][ T7] usb_set_configuration+0x3872/0x3eb0 [ 138.312528][ T7] ? usb_set_configuration+0xae1/0x3eb0 [ 138.318100][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 138.324192][ T7] usb_generic_driver_probe+0x138/0x300 [ 138.329763][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 138.335506][ T7] usb_probe_device+0x317/0x570 [ 138.340472][ T7] ? usb_register_device_driver+0x590/0x590 [ 138.346393][ T7] really_probe+0xe15/0x24d0 [ 138.351010][ T7] driver_probe_device+0x29d/0x3a0 [ 138.356146][ T7] __device_attach_driver+0x63f/0x830 [ 138.361544][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 138.366463][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 138.372206][ T7] __device_attach+0x56a/0x890 [ 138.376991][ T7] device_initial_probe+0x4a/0x60 [ 138.382035][ T7] bus_probe_device+0x17e/0x3d0 [ 138.387271][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.393280][ T7] device_add+0x2c15/0x31d0 [ 138.397815][ T7] usb_new_device+0x1bd4/0x2a30 [ 138.402689][ T7] hub_event+0x5b99/0x8870 [ 138.407135][ T7] ? kmsan_get_metadata+0x116/0x180 [ 138.412355][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.418182][ T7] ? led_work+0x780/0x780 [ 138.422526][ T7] process_one_work+0x1219/0x1fe0 [ 138.427584][ T7] worker_thread+0x10ec/0x2340 [ 138.432378][ T7] kthread+0x521/0x560 [ 138.436471][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 138.441694][ T7] ? kthread_blkcg+0x110/0x110 [ 138.446479][ T7] ret_from_fork+0x1f/0x30 [ 138.450920][ T7] [ 138.453333][ T7] Local variable ----data@usb_read8 created at: [ 138.459575][ T7] usb_read8+0x5d/0x130 [ 138.463802][ T7] usb_read8+0x5d/0x130 [ 138.467972][ T7] ===================================================== [ 138.475057][ T7] ===================================================== [ 138.482030][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 138.489346][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 138.498900][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.508967][ T7] Workqueue: usb_hub_wq hub_event [ 138.514020][ T7] Call Trace: [ 138.517305][ T7] dump_stack+0x24c/0x2e0 [ 138.521662][ T7] kmsan_report+0xfb/0x1e0 [ 138.526100][ T7] __msan_warning+0x5c/0xa0 [ 138.530660][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 138.535624][ T7] ? r871x_dev_unload+0x310/0x310 [ 138.540671][ T7] usb_probe_interface+0xfcc/0x1520 [ 138.545895][ T7] ? usb_register_driver+0x900/0x900 [ 138.551747][ T7] really_probe+0xe15/0x24d0 [ 138.556362][ T7] driver_probe_device+0x29d/0x3a0 [ 138.561527][ T7] __device_attach_driver+0x63f/0x830 [ 138.566917][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 138.571827][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 138.577564][ T7] __device_attach+0x56a/0x890 [ 138.582352][ T7] device_initial_probe+0x4a/0x60 [ 138.587418][ T7] bus_probe_device+0x17e/0x3d0 [ 138.592294][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.598130][ T7] device_add+0x2c15/0x31d0 [ 138.602661][ T7] usb_set_configuration+0x3872/0x3eb0 [ 138.608147][ T7] ? usb_set_configuration+0xae1/0x3eb0 [ 138.613717][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 138.619810][ T7] usb_generic_driver_probe+0x138/0x300 [ 138.625374][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 138.631115][ T7] usb_probe_device+0x317/0x570 [ 138.635989][ T7] ? usb_register_device_driver+0x590/0x590 [ 138.642022][ T7] really_probe+0xe15/0x24d0 [ 138.646662][ T7] driver_probe_device+0x29d/0x3a0 [ 138.651795][ T7] __device_attach_driver+0x63f/0x830 [ 138.657187][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 138.662060][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 138.667786][ T7] __device_attach+0x56a/0x890 [ 138.672557][ T7] device_initial_probe+0x4a/0x60 [ 138.677576][ T7] bus_probe_device+0x17e/0x3d0 [ 138.682447][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.688247][ T7] device_add+0x2c15/0x31d0 [ 138.692776][ T7] usb_new_device+0x1bd4/0x2a30 [ 138.697619][ T7] hub_event+0x5b99/0x8870 [ 138.702035][ T7] ? kmsan_get_metadata+0x116/0x180 [ 138.707223][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.713021][ T7] ? led_work+0x780/0x780 [ 138.717344][ T7] process_one_work+0x1219/0x1fe0 [ 138.722367][ T7] worker_thread+0x10ec/0x2340 [ 138.727136][ T7] kthread+0x521/0x560 [ 138.731236][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 138.736430][ T7] ? kthread_blkcg+0x110/0x110 [ 138.741190][ T7] ret_from_fork+0x1f/0x30 [ 138.745638][ T7] [ 138.747966][ T7] Local variable ----mac@r871xu_drv_init created at: [ 138.754636][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 138.759576][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 138.764631][ T7] ===================================================== [ 138.771711][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 138.779578][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 138.793876][ T7] usb 1-1: USB disconnect, device number 2 [ 138.802818][ T3695] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 138.812064][ T3695] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 138.848945][ T3695] usb 1-1: r8712u: Firmware request failed [ 139.225910][ T7] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 139.596246][ T7] usb 1-1: config 0 has an invalid interface number: 250 but max is 0 [ 139.604593][ T7] usb 1-1: config 0 has no interface number 0 [ 139.610982][ T7] usb 1-1: New USB device found, idVendor=0df6, idProduct=004b, bcdDevice=99.a5 [ 139.620513][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 139.631567][ T7] usb 1-1: config 0 descriptor?? [ 139.681645][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 139.688574][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 139.796191][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 139.801542][ C0] ===================================================== [ 139.801567][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 139.801589][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 139.801615][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.801640][ C0] Workqueue: usb_hub_wq hub_event [ 139.801668][ C0] Call Trace: [ 139.801685][ C0] dump_stack+0x24c/0x2e0 [ 139.801699][ C0] kmsan_report+0xfb/0x1e0 [ 139.801714][ C0] __msan_warning+0x5c/0xa0 [ 139.801729][ C0] string+0x573/0x6d0 [ 139.801743][ C0] vsnprintf+0x1acd/0x3600 [ 139.801758][ C0] pointer+0x1cbb/0x1ea0 [ 139.801773][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.801790][ C0] vsnprintf+0x15f2/0x3600 [ 139.801805][ C0] vprintk_store+0x2ab/0x1df0 [ 139.801821][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.801843][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 139.801861][ C0] ? __printk_safe_enter+0xe/0x30 [ 139.801877][ C0] vprintk_emit+0x28e/0x8b0 [ 139.801892][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 139.801908][ C0] dev_printk_emit+0x1ce/0x210 [ 139.801924][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 139.801941][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.801957][ C0] __dev_printk+0x3dc/0x458 [ 139.801972][ C0] _dev_info+0x1e5/0x22a [ 139.801986][ C0] ? usb_read8+0xe7/0x130 [ 139.802001][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 139.802018][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 139.802035][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 139.802050][ C0] ? r871x_dev_unload+0x310/0x310 [ 139.802066][ C0] usb_probe_interface+0xfcc/0x1520 [ 139.802083][ C0] ? usb_register_driver+0x900/0x900 [ 139.802098][ C0] really_probe+0xe15/0x24d0 [ 139.802114][ C0] driver_probe_device+0x29d/0x3a0 [ 139.802130][ C0] __device_attach_driver+0x63f/0x830 [ 139.802146][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 139.802162][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.802179][ C0] __device_attach+0x56a/0x890 [ 139.802194][ C0] device_initial_probe+0x4a/0x60 [ 139.802210][ C0] bus_probe_device+0x17e/0x3d0 [ 139.802226][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.802246][ C0] device_add+0x2c15/0x31d0 [ 139.802261][ C0] usb_set_configuration+0x3872/0x3eb0 [ 139.802277][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 139.802295][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 139.802313][ C0] usb_generic_driver_probe+0x138/0x300 [ 139.802330][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 139.802349][ C0] usb_probe_device+0x317/0x570 [ 139.802365][ C0] ? usb_register_device_driver+0x590/0x590 [ 139.802382][ C0] really_probe+0xe15/0x24d0 [ 139.802397][ C0] driver_probe_device+0x29d/0x3a0 [ 139.802413][ C0] __device_attach_driver+0x63f/0x830 [ 139.802429][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 139.802445][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.802462][ C0] __device_attach+0x56a/0x890 [ 139.802477][ C0] device_initial_probe+0x4a/0x60 [ 139.802493][ C0] bus_probe_device+0x17e/0x3d0 [ 139.802509][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.802526][ C0] device_add+0x2c15/0x31d0 [ 139.802541][ C0] usb_new_device+0x1bd4/0x2a30 [ 139.802556][ C0] hub_event+0x5b99/0x8870 [ 139.802571][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.802588][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.802605][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.802621][ C0] ? led_work+0x780/0x780 [ 139.802636][ C0] process_one_work+0x1219/0x1fe0 [ 139.802652][ C0] worker_thread+0x12bc/0x2340 [ 139.802667][ C0] kthread+0x521/0x560 [ 139.802681][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 139.802697][ C0] ? kthread_blkcg+0x110/0x110 [ 139.802712][ C0] ret_from_fork+0x1f/0x30 [ 139.802726][ C0] [ 139.802739][ C0] Local variable ----data@usb_read8 created at: [ 139.802757][ C0] usb_read8+0x5d/0x130 [ 139.802771][ C0] usb_read8+0x5d/0x130 [ 139.802788][ C0] ===================================================== [ 139.802808][ C0] ===================================================== [ 139.802829][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 139.802854][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 139.802880][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.802904][ C0] Workqueue: usb_hub_wq hub_event [ 139.802930][ C0] Call Trace: [ 139.802943][ C0] dump_stack+0x24c/0x2e0 [ 139.802957][ C0] kmsan_report+0xfb/0x1e0 [ 139.802972][ C0] __msan_warning+0x5c/0xa0 [ 139.802986][ C0] string+0x573/0x6d0 [ 139.803000][ C0] vsnprintf+0x1acd/0x3600 [ 139.803015][ C0] pointer+0x1cbb/0x1ea0 [ 139.803030][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.803047][ C0] vsnprintf+0x15f2/0x3600 [ 139.803061][ C0] vprintk_store+0x2ab/0x1df0 [ 139.803077][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.803094][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 139.803111][ C0] ? __printk_safe_enter+0xe/0x30 [ 139.803127][ C0] vprintk_emit+0x28e/0x8b0 [ 139.803142][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 139.803158][ C0] dev_printk_emit+0x1ce/0x210 [ 139.803174][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 139.803191][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.803208][ C0] __dev_printk+0x3dc/0x458 [ 139.803224][ C0] _dev_info+0x1e5/0x22a [ 139.803239][ C0] ? usb_read8+0xe7/0x130 [ 139.803254][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 139.803270][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 139.803287][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 139.803302][ C0] ? r871x_dev_unload+0x310/0x310 [ 139.803318][ C0] usb_probe_interface+0xfcc/0x1520 [ 139.803335][ C0] ? usb_register_driver+0x900/0x900 [ 139.803353][ C0] really_probe+0xe15/0x24d0 [ 139.803369][ C0] driver_probe_device+0x29d/0x3a0 [ 139.803385][ C0] __device_attach_driver+0x63f/0x830 [ 139.803401][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 139.803417][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.803434][ C0] __device_attach+0x56a/0x890 [ 139.803450][ C0] device_initial_probe+0x4a/0x60 [ 139.803465][ C0] bus_probe_device+0x17e/0x3d0 [ 139.803481][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.803498][ C0] device_add+0x2c15/0x31d0 [ 139.803513][ C0] usb_set_configuration+0x3872/0x3eb0 [ 139.803530][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 139.803547][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 139.803565][ C0] usb_generic_driver_probe+0x138/0x300 [ 139.803582][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 139.803598][ C0] usb_probe_device+0x317/0x570 [ 139.803615][ C0] ? usb_register_device_driver+0x590/0x590 [ 139.803632][ C0] really_probe+0xe15/0x24d0 [ 139.803647][ C0] driver_probe_device+0x29d/0x3a0 [ 139.803663][ C0] __device_attach_driver+0x63f/0x830 [ 139.803680][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 139.803696][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.803712][ C0] __device_attach+0x56a/0x890 [ 139.803728][ C0] device_initial_probe+0x4a/0x60 [ 139.803743][ C0] bus_probe_device+0x17e/0x3d0 [ 139.803759][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.803776][ C0] device_add+0x2c15/0x31d0 [ 139.803791][ C0] usb_new_device+0x1bd4/0x2a30 [ 139.803807][ C0] hub_event+0x5b99/0x8870 [ 139.803822][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.803843][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.803860][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.803876][ C0] ? led_work+0x780/0x780 [ 139.803891][ C0] process_one_work+0x1219/0x1fe0 [ 139.803906][ C0] worker_thread+0x12bc/0x2340 [ 139.803921][ C0] kthread+0x521/0x560 [ 139.803936][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 139.803952][ C0] ? kthread_blkcg+0x110/0x110 [ 139.803967][ C0] ret_from_fork+0x1f/0x30 [ 139.803980][ C0] [ 139.803993][ C0] Local variable ----data@usb_read8 created at: [ 139.804011][ C0] usb_read8+0x5d/0x130 [ 139.804026][ C0] usb_read8+0x5d/0x130 [ 139.804048][ C0] ===================================================== [ 139.804068][ C0] ===================================================== [ 139.804089][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 139.804110][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 139.804136][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.804160][ C0] Workqueue: usb_hub_wq hub_event [ 139.804187][ C0] Call Trace: [ 139.804200][ C0] dump_stack+0x24c/0x2e0 [ 139.804214][ C0] kmsan_report+0xfb/0x1e0 [ 139.804229][ C0] __msan_warning+0x5c/0xa0 [ 139.804244][ C0] string+0x573/0x6d0 [ 139.804257][ C0] vsnprintf+0x1acd/0x3600 [ 139.804272][ C0] pointer+0x1cbb/0x1ea0 [ 139.804287][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.804304][ C0] vsnprintf+0x15f2/0x3600 [ 139.804319][ C0] vprintk_store+0x2ab/0x1df0 [ 139.804334][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.804355][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 139.804372][ C0] ? __printk_safe_enter+0xe/0x30 [ 139.804387][ C0] vprintk_emit+0x28e/0x8b0 [ 139.804402][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 139.804418][ C0] dev_printk_emit+0x1ce/0x210 [ 139.804433][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 139.804451][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.804467][ C0] __dev_printk+0x3dc/0x458 [ 139.804482][ C0] _dev_info+0x1e5/0x22a [ 139.804496][ C0] ? usb_read8+0xe7/0x130 [ 139.804511][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 139.804527][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 139.804544][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 139.804560][ C0] ? r871x_dev_unload+0x310/0x310 [ 139.804576][ C0] usb_probe_interface+0xfcc/0x1520 [ 139.804598][ C0] ? usb_register_driver+0x900/0x900 [ 139.804614][ C0] really_probe+0xe15/0x24d0 [ 139.804630][ C0] driver_probe_device+0x29d/0x3a0 [ 139.804647][ C0] __device_attach_driver+0x63f/0x830 [ 139.804665][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 139.804681][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.804697][ C0] __device_attach+0x56a/0x890 [ 139.804713][ C0] device_initial_probe+0x4a/0x60 [ 139.804729][ C0] bus_probe_device+0x17e/0x3d0 [ 139.804745][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.804761][ C0] device_add+0x2c15/0x31d0 [ 139.804776][ C0] usb_set_configuration+0x3872/0x3eb0 [ 139.804793][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 139.804810][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 139.804828][ C0] usb_generic_driver_probe+0x138/0x300 [ 139.804848][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 139.804865][ C0] usb_probe_device+0x317/0x570 [ 139.804882][ C0] ? usb_register_device_driver+0x590/0x590 [ 139.804899][ C0] really_probe+0xe15/0x24d0 [ 139.804914][ C0] driver_probe_device+0x29d/0x3a0 [ 139.804931][ C0] __device_attach_driver+0x63f/0x830 [ 139.804947][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 139.804962][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.804979][ C0] __device_attach+0x56a/0x890 [ 139.804995][ C0] device_initial_probe+0x4a/0x60 [ 139.805010][ C0] bus_probe_device+0x17e/0x3d0 [ 139.805026][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.805043][ C0] device_add+0x2c15/0x31d0 [ 139.805058][ C0] usb_new_device+0x1bd4/0x2a30 [ 139.805073][ C0] hub_event+0x5b99/0x8870 [ 139.805088][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.805104][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.805121][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.805137][ C0] ? led_work+0x780/0x780 [ 139.805152][ C0] process_one_work+0x1219/0x1fe0 [ 139.805168][ C0] worker_thread+0x12bc/0x2340 [ 139.805183][ C0] kthread+0x521/0x560 [ 139.805197][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 139.805213][ C0] ? kthread_blkcg+0x110/0x110 [ 139.805229][ C0] ret_from_fork+0x1f/0x30 [ 139.805242][ C0] [ 139.805255][ C0] Local variable ----data@usb_read8 created at: [ 139.805273][ C0] usb_read8+0x5d/0x130 [ 139.805288][ C0] usb_read8+0x5d/0x130 [ 139.805304][ C0] ===================================================== [ 139.805325][ C0] ===================================================== [ 139.805348][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 139.805369][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 139.805394][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.805418][ C0] Workqueue: usb_hub_wq hub_event [ 139.805445][ C0] Call Trace: [ 139.805457][ C0] dump_stack+0x24c/0x2e0 [ 139.805472][ C0] kmsan_report+0xfb/0x1e0 [ 139.805487][ C0] __msan_warning+0x5c/0xa0 [ 139.805501][ C0] string+0x573/0x6d0 [ 139.805515][ C0] vsnprintf+0x1acd/0x3600 [ 139.805530][ C0] pointer+0x1cbb/0x1ea0 [ 139.805545][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.805561][ C0] vsnprintf+0 [ 139.805583][ C0] Lost 1756 message(s)! [ 141.089162][ T7] ===================================================== [ 141.096301][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 141.103617][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.113186][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.123301][ T7] Workqueue: usb_hub_wq hub_event [ 141.128419][ T7] Call Trace: [ 141.131700][ T7] dump_stack+0x24c/0x2e0 [ 141.136049][ T7] kmsan_report+0xfb/0x1e0 [ 141.140477][ T7] __msan_warning+0x5c/0xa0 [ 141.144980][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 141.149926][ T7] ? r871x_dev_unload+0x310/0x310 [ 141.154950][ T7] usb_probe_interface+0xfcc/0x1520 [ 141.160154][ T7] ? usb_register_driver+0x900/0x900 [ 141.165443][ T7] really_probe+0xe15/0x24d0 [ 141.170035][ T7] driver_probe_device+0x29d/0x3a0 [ 141.175144][ T7] __device_attach_driver+0x63f/0x830 [ 141.180517][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 141.185371][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.191088][ T7] __device_attach+0x56a/0x890 [ 141.195851][ T7] device_initial_probe+0x4a/0x60 [ 141.200874][ T7] bus_probe_device+0x17e/0x3d0 [ 141.205741][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.211548][ T7] device_add+0x2c15/0x31d0 [ 141.216054][ T7] usb_set_configuration+0x3872/0x3eb0 [ 141.221516][ T7] ? usb_set_configuration+0xae1/0x3eb0 [ 141.227066][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 141.233138][ T7] usb_generic_driver_probe+0x138/0x300 [ 141.238684][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 141.244401][ T7] usb_probe_device+0x317/0x570 [ 141.249254][ T7] ? usb_register_device_driver+0x590/0x590 [ 141.255150][ T7] really_probe+0xe15/0x24d0 [ 141.259738][ T7] driver_probe_device+0x29d/0x3a0 [ 141.264846][ T7] __device_attach_driver+0x63f/0x830 [ 141.270215][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 141.275071][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.280798][ T7] __device_attach+0x56a/0x890 [ 141.285578][ T7] device_initial_probe+0x4a/0x60 [ 141.290609][ T7] bus_probe_device+0x17e/0x3d0 [ 141.295465][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.301281][ T7] device_add+0x2c15/0x31d0 [ 141.305792][ T7] usb_new_device+0x1bd4/0x2a30 [ 141.310646][ T7] hub_event+0x5b99/0x8870 [ 141.315059][ T7] ? kmsan_get_metadata+0x116/0x180 [ 141.320267][ T7] ? kmsan_get_metadata+0x116/0x180 [ 141.325467][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.331286][ T7] ? led_work+0x780/0x780 [ 141.335614][ T7] process_one_work+0x1219/0x1fe0 [ 141.340651][ T7] worker_thread+0x12bc/0x2340 [ 141.345427][ T7] kthread+0x521/0x560 [ 141.349498][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 141.354706][ T7] ? kthread_blkcg+0x110/0x110 executing program [ 141.359477][ T7] ret_from_fork+0x1f/0x30 [ 141.363901][ T7] [ 141.366225][ T7] Local variable ----data@usb_read8 created at: [ 141.372446][ T7] usb_read8+0x5d/0x130 [ 141.376599][ T7] usb_read8+0x5d/0x130 [ 141.380749][ T7] ===================================================== [ 141.387760][ T7] ===================================================== [ 141.394691][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 141.402008][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.411561][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.421626][ T7] Workqueue: usb_hub_wq hub_event [ 141.426669][ T7] Call Trace: [ 141.429954][ T7] dump_stack+0x24c/0x2e0 [ 141.434309][ T7] kmsan_report+0xfb/0x1e0 [ 141.438742][ T7] __msan_warning+0x5c/0xa0 [ 141.443257][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 141.448215][ T7] ? r871x_dev_unload+0x310/0x310 [ 141.453259][ T7] usb_probe_interface+0xfcc/0x1520 [ 141.458483][ T7] ? usb_register_driver+0x900/0x900 [ 141.463790][ T7] really_probe+0xe15/0x24d0 [ 141.468398][ T7] driver_probe_device+0x29d/0x3a0 [ 141.473536][ T7] __device_attach_driver+0x63f/0x830 [ 141.478932][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 141.483839][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.489576][ T7] __device_attach+0x56a/0x890 [ 141.494363][ T7] device_initial_probe+0x4a/0x60 [ 141.499401][ T7] bus_probe_device+0x17e/0x3d0 [ 141.504274][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.510098][ T7] device_add+0x2c15/0x31d0 [ 141.514623][ T7] usb_set_configuration+0x3872/0x3eb0 [ 141.520100][ T7] ? usb_set_configuration+0xae1/0x3eb0 [ 141.525665][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 141.531753][ T7] usb_generic_driver_probe+0x138/0x300 [ 141.537322][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 141.543099][ T7] usb_probe_device+0x317/0x570 [ 141.547969][ T7] ? usb_register_device_driver+0x590/0x590 [ 141.553904][ T7] really_probe+0xe15/0x24d0 [ 141.558509][ T7] driver_probe_device+0x29d/0x3a0 [ 141.563839][ T7] __device_attach_driver+0x63f/0x830 [ 141.569228][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 141.574098][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.579835][ T7] __device_attach+0x56a/0x890 [ 141.584612][ T7] device_initial_probe+0x4a/0x60 [ 141.589647][ T7] bus_probe_device+0x17e/0x3d0 [ 141.594518][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.600344][ T7] device_add+0x2c15/0x31d0 [ 141.604866][ T7] usb_new_device+0x1bd4/0x2a30 [ 141.609741][ T7] hub_event+0x5b99/0x8870 [ 141.614168][ T7] ? kmsan_get_metadata+0x116/0x180 [ 141.619406][ T7] ? kmsan_get_metadata+0x116/0x180 [ 141.624616][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.630440][ T7] ? led_work+0x780/0x780 [ 141.634783][ T7] process_one_work+0x1219/0x1fe0 [ 141.639833][ T7] worker_thread+0x12bc/0x2340 [ 141.644632][ T7] kthread+0x521/0x560 [ 141.648716][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 141.653939][ T7] ? kthread_blkcg+0x110/0x110 [ 141.658753][ T7] ret_from_fork+0x1f/0x30 [ 141.663190][ T7] [ 141.665509][ T7] Local variable ----mac@r871xu_drv_init created at: [ 141.672171][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 141.677131][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 141.682088][ T7] ===================================================== [ 141.689182][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 141.696994][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 141.709186][ T3695] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 141.718349][ T3695] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 141.727934][ T7] usb 1-1: USB disconnect, device number 3 [ 141.762543][ T3695] usb 1-1: r8712u: Firmware request failed [ 142.135590][ T7] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 142.505915][ T7] usb 1-1: config 0 has an invalid interface number: 250 but max is 0 [ 142.514194][ T7] usb 1-1: config 0 has no interface number 0 [ 142.520581][ T7] usb 1-1: New USB device found, idVendor=0df6, idProduct=004b, bcdDevice=99.a5 [ 142.529934][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 142.541444][ T7] usb 1-1: config 0 descriptor?? [ 142.602939][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 142.609942][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 142.725890][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 142.731234][ C0] ===================================================== [ 142.731258][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 142.731280][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.731306][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.731331][ C0] Workqueue: usb_hub_wq hub_event [ 142.731364][ C0] Call Trace: [ 142.731377][ C0] dump_stack+0x24c/0x2e0 [ 142.731392][ C0] kmsan_report+0xfb/0x1e0 [ 142.731406][ C0] __msan_warning+0x5c/0xa0 [ 142.731421][ C0] string+0x573/0x6d0 [ 142.731435][ C0] vsnprintf+0x1acd/0x3600 [ 142.731449][ C0] pointer+0x1cbb/0x1ea0 [ 142.731465][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.731481][ C0] vsnprintf+0x15f2/0x3600 [ 142.731496][ C0] vprintk_store+0x2ab/0x1df0 [ 142.731512][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.731529][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 142.731547][ C0] ? __printk_safe_enter+0xe/0x30 [ 142.731563][ C0] vprintk_emit+0x28e/0x8b0 [ 142.731578][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 142.731593][ C0] dev_printk_emit+0x1ce/0x210 [ 142.731609][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 142.731626][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.731643][ C0] __dev_printk+0x3dc/0x458 [ 142.731658][ C0] _dev_info+0x1e5/0x22a [ 142.731672][ C0] ? usb_read8+0xe7/0x130 [ 142.731687][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 142.731703][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 142.731719][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 142.731735][ C0] ? r871x_dev_unload+0x310/0x310 [ 142.731751][ C0] usb_probe_interface+0xfcc/0x1520 [ 142.731767][ C0] ? usb_register_driver+0x900/0x900 [ 142.731783][ C0] really_probe+0xe15/0x24d0 [ 142.731799][ C0] driver_probe_device+0x29d/0x3a0 [ 142.731815][ C0] __device_attach_driver+0x63f/0x830 [ 142.731831][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.731849][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.731866][ C0] __device_attach+0x56a/0x890 [ 142.731882][ C0] device_initial_probe+0x4a/0x60 [ 142.731898][ C0] bus_probe_device+0x17e/0x3d0 [ 142.731914][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.731931][ C0] device_add+0x2c15/0x31d0 [ 142.731947][ C0] usb_set_configuration+0x3872/0x3eb0 [ 142.731964][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 142.731981][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 142.731999][ C0] usb_generic_driver_probe+0x138/0x300 [ 142.732016][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 142.732033][ C0] usb_probe_device+0x317/0x570 [ 142.732049][ C0] ? usb_register_device_driver+0x590/0x590 [ 142.732066][ C0] really_probe+0xe15/0x24d0 [ 142.732081][ C0] driver_probe_device+0x29d/0x3a0 [ 142.732097][ C0] __device_attach_driver+0x63f/0x830 [ 142.732113][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.732129][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.732146][ C0] __device_attach+0x56a/0x890 [ 142.732161][ C0] device_initial_probe+0x4a/0x60 [ 142.732177][ C0] bus_probe_device+0x17e/0x3d0 [ 142.732193][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.732210][ C0] device_add+0x2c15/0x31d0 [ 142.732225][ C0] usb_new_device+0x1bd4/0x2a30 [ 142.732240][ C0] hub_event+0x5b99/0x8870 [ 142.732255][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.732271][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.732288][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.732304][ C0] ? led_work+0x780/0x780 [ 142.732319][ C0] process_one_work+0x1219/0x1fe0 [ 142.732335][ C0] worker_thread+0x12bc/0x2340 [ 142.732355][ C0] kthread+0x521/0x560 [ 142.732369][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 142.732385][ C0] ? kthread_blkcg+0x110/0x110 [ 142.732400][ C0] ret_from_fork+0x1f/0x30 [ 142.732414][ C0] [ 142.732427][ C0] Local variable ----data@usb_read8 created at: [ 142.732445][ C0] usb_read8+0x5d/0x130 [ 142.732459][ C0] usb_read8+0x5d/0x130 [ 142.732475][ C0] ===================================================== [ 142.732496][ C0] ===================================================== [ 142.732516][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 142.732537][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.732563][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.732586][ C0] Workqueue: usb_hub_wq hub_event [ 142.732612][ C0] Call Trace: [ 142.732625][ C0] dump_stack+0x24c/0x2e0 [ 142.732639][ C0] kmsan_report+0xfb/0x1e0 [ 142.732654][ C0] __msan_warning+0x5c/0xa0 [ 142.732668][ C0] string+0x573/0x6d0 [ 142.732682][ C0] vsnprintf+0x1acd/0x3600 [ 142.732697][ C0] pointer+0x1cbb/0x1ea0 [ 142.732712][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.732729][ C0] vsnprintf+0x15f2/0x3600 [ 142.732743][ C0] vprintk_store+0x2ab/0x1df0 [ 142.732759][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.732776][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 142.732793][ C0] ? __printk_safe_enter+0xe/0x30 [ 142.732809][ C0] vprintk_emit+0x28e/0x8b0 [ 142.732824][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 142.732840][ C0] dev_printk_emit+0x1ce/0x210 [ 142.732857][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 142.732874][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.732891][ C0] __dev_printk+0x3dc/0x458 [ 142.732906][ C0] _dev_info+0x1e5/0x22a [ 142.732920][ C0] ? usb_read8+0xe7/0x130 [ 142.732935][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 142.732950][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 142.732967][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 142.732983][ C0] ? r871x_dev_unload+0x310/0x310 [ 142.732998][ C0] usb_probe_interface+0xfcc/0x1520 [ 142.733014][ C0] ? usb_register_driver+0x900/0x900 [ 142.733030][ C0] really_probe+0xe15/0x24d0 [ 142.733046][ C0] driver_probe_device+0x29d/0x3a0 [ 142.733062][ C0] __device_attach_driver+0x63f/0x830 [ 142.733078][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.733094][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.733111][ C0] __device_attach+0x56a/0x890 [ 142.733126][ C0] device_initial_probe+0x4a/0x60 [ 142.733142][ C0] bus_probe_device+0x17e/0x3d0 [ 142.733158][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.733175][ C0] device_add+0x2c15/0x31d0 [ 142.733190][ C0] usb_set_configuration+0x3872/0x3eb0 [ 142.733206][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 142.733224][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 142.733242][ C0] usb_generic_driver_probe+0x138/0x300 [ 142.733259][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 142.733275][ C0] usb_probe_device+0x317/0x570 [ 142.733292][ C0] ? usb_register_device_driver+0x590/0x590 [ 142.733309][ C0] really_probe+0xe15/0x24d0 [ 142.733324][ C0] driver_probe_device+0x29d/0x3a0 [ 142.733345][ C0] __device_attach_driver+0x63f/0x830 [ 142.733361][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.733377][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.733394][ C0] __device_attach+0x56a/0x890 [ 142.733409][ C0] device_initial_probe+0x4a/0x60 [ 142.733425][ C0] bus_probe_device+0x17e/0x3d0 [ 142.733441][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.733458][ C0] device_add+0x2c15/0x31d0 [ 142.733473][ C0] usb_new_device+0x1bd4/0x2a30 [ 142.733488][ C0] hub_event+0x5b99/0x8870 [ 142.733503][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.733519][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.733535][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.733552][ C0] ? led_work+0x780/0x780 [ 142.733566][ C0] process_one_work+0x1219/0x1fe0 [ 142.733582][ C0] worker_thread+0x12bc/0x2340 [ 142.733597][ C0] kthread+0x521/0x560 [ 142.733611][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 142.733627][ C0] ? kthread_blkcg+0x110/0x110 [ 142.733642][ C0] ret_from_fork+0x1f/0x30 [ 142.733655][ C0] [ 142.733668][ C0] Local variable ----data@usb_read8 created at: [ 142.733686][ C0] usb_read8+0x5d/0x130 [ 142.733701][ C0] usb_read8+0x5d/0x130 [ 142.733717][ C0] ===================================================== [ 142.733737][ C0] ===================================================== [ 142.733758][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 142.733784][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.733810][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.733833][ C0] Workqueue: usb_hub_wq hub_event [ 142.733862][ C0] Call Trace: [ 142.733875][ C0] dump_stack+0x24c/0x2e0 [ 142.733890][ C0] kmsan_report+0xfb/0x1e0 [ 142.733905][ C0] __msan_warning+0x5c/0xa0 [ 142.733919][ C0] string+0x573/0x6d0 [ 142.733933][ C0] vsnprintf+0x1acd/0x3600 [ 142.733948][ C0] pointer+0x1cbb/0x1ea0 [ 142.733963][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.733980][ C0] vsnprintf+0x15f2/0x3600 [ 142.733994][ C0] vprintk_store+0x2ab/0x1df0 [ 142.734010][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.734027][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 142.734044][ C0] ? __printk_safe_enter+0xe/0x30 [ 142.734059][ C0] vprintk_emit+0x28e/0x8b0 [ 142.734074][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 142.734091][ C0] dev_printk_emit+0x1ce/0x210 [ 142.734107][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 142.734124][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.734141][ C0] __dev_printk+0x3dc/0x458 [ 142.734155][ C0] _dev_info+0x1e5/0x22a [ 142.734169][ C0] ? usb_read8+0xe7/0x130 [ 142.734184][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 142.734200][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 142.734217][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 142.734232][ C0] ? r871x_dev_unload+0x310/0x310 [ 142.734248][ C0] usb_probe_interface+0xfcc/0x1520 [ 142.734264][ C0] ? usb_register_driver+0x900/0x900 [ 142.734280][ C0] really_probe+0xe15/0x24d0 [ 142.734295][ C0] driver_probe_device+0x29d/0x3a0 [ 142.734311][ C0] __device_attach_driver+0x63f/0x830 [ 142.734327][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.734348][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.734365][ C0] __device_attach+0x56a/0x890 [ 142.734380][ C0] device_initial_probe+0x4a/0x60 [ 142.734396][ C0] bus_probe_device+0x17e/0x3d0 [ 142.734412][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.734429][ C0] device_add+0x2c15/0x31d0 [ 142.734445][ C0] usb_set_configuration+0x3872/0x3eb0 [ 142.734461][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 142.734479][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 142.734497][ C0] usb_generic_driver_probe+0x138/0x300 [ 142.734514][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 142.734531][ C0] usb_probe_device+0x317/0x570 [ 142.734547][ C0] ? usb_register_device_driver+0x590/0x590 [ 142.734564][ C0] really_probe+0xe15/0x24d0 [ 142.734579][ C0] driver_probe_device+0x29d/0x3a0 [ 142.734596][ C0] __device_attach_driver+0x63f/0x830 [ 142.734613][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.734629][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.734646][ C0] __device_attach+0x56a/0x890 [ 142.734662][ C0] device_initial_probe+0x4a/0x60 [ 142.734678][ C0] bus_probe_device+0x17e/0x3d0 [ 142.734694][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.734711][ C0] device_add+0x2c15/0x31d0 [ 142.734726][ C0] usb_new_device+0x1bd4/0x2a30 [ 142.734742][ C0] hub_event+0x5b99/0x8870 [ 142.734757][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.734773][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.734790][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.734807][ C0] ? led_work+0x780/0x780 [ 142.734830][ C0] process_one_work+0x1219/0x1fe0 [ 142.734846][ C0] worker_thread+0x12bc/0x2340 [ 142.734861][ C0] kthread+0x521/0x560 [ 142.734876][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 142.734892][ C0] ? kthread_blkcg+0x110/0x110 [ 142.734907][ C0] ret_from_fork+0x1f/0x30 [ 142.734921][ C0] [ 142.734934][ C0] Local variable ----data@usb_read8 created at: [ 142.734952][ C0] usb_read8+0x5d/0x130 [ 142.734967][ C0] usb_read8+0x5d/0x130 [ 142.734984][ C0] ===================================================== [ 142.735005][ C0] ===================================================== [ 142.735026][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 142.735047][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.735072][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.735096][ C0] Workqueue: usb_hub_wq hub_event [ 142.735122][ C0] Call Trace: [ 142.735135][ C0] dump_stack+0x24c/0x2e0 [ 142.735150][ C0] kmsan_report+0xfb/0x1e0 [ 142.735165][ C0] __msan_warning+0x5c/0xa0 [ 142.735179][ C0] string+0x573/0x6d0 [ 142.735193][ C0] vsnprintf+0x1acd/0x3600 [ 142.735207][ C0] pointer+0x1cbb/0x1ea0 [ 142.735222][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.735238][ C0] vsnprintf+0 [ 142.735260][ C0] Lost 1756 message(s)! [ 144.011169][ T7] ===================================================== [ 144.018120][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 144.025427][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.035046][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.045224][ T7] Workqueue: usb_hub_wq hub_event [ 144.050266][ T7] Call Trace: [ 144.053568][ T7] dump_stack+0x24c/0x2e0 [ 144.057925][ T7] kmsan_report+0xfb/0x1e0 [ 144.062359][ T7] __msan_warning+0x5c/0xa0 [ 144.066883][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 144.071845][ T7] ? r871x_dev_unload+0x310/0x310 [ 144.076888][ T7] usb_probe_interface+0xfcc/0x1520 [ 144.082131][ T7] ? usb_register_driver+0x900/0x900 [ 144.087423][ T7] really_probe+0xe15/0x24d0 [ 144.092017][ T7] driver_probe_device+0x29d/0x3a0 [ 144.097126][ T7] __device_attach_driver+0x63f/0x830 [ 144.102497][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 144.107351][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.113070][ T7] __device_attach+0x56a/0x890 [ 144.117841][ T7] device_initial_probe+0x4a/0x60 [ 144.122863][ T7] bus_probe_device+0x17e/0x3d0 [ 144.127731][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.133538][ T7] device_add+0x2c15/0x31d0 [ 144.138044][ T7] usb_set_configuration+0x3872/0x3eb0 [ 144.143532][ T7] ? usb_set_configuration+0xae1/0x3eb0 [ 144.149081][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 144.155152][ T7] usb_generic_driver_probe+0x138/0x300 [ 144.160702][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 144.166424][ T7] usb_probe_device+0x317/0x570 [ 144.171277][ T7] ? usb_register_device_driver+0x590/0x590 [ 144.177180][ T7] really_probe+0xe15/0x24d0 [ 144.181770][ T7] driver_probe_device+0x29d/0x3a0 [ 144.186879][ T7] __device_attach_driver+0x63f/0x830 [ 144.192251][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 144.197126][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.202846][ T7] __device_attach+0x56a/0x890 [ 144.207609][ T7] device_initial_probe+0x4a/0x60 [ 144.212631][ T7] bus_probe_device+0x17e/0x3d0 [ 144.217487][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.223291][ T7] device_add+0x2c15/0x31d0 [ 144.227805][ T7] usb_new_device+0x1bd4/0x2a30 [ 144.232658][ T7] hub_event+0x5b99/0x8870 [ 144.237068][ T7] ? kmsan_get_metadata+0x116/0x180 [ 144.242273][ T7] ? kmsan_get_metadata+0x116/0x180 [ 144.247474][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.253278][ T7] ? led_work+0x780/0x780 [ 144.257627][ T7] process_one_work+0x1219/0x1fe0 [ 144.262684][ T7] worker_thread+0x12bc/0x2340 [ 144.267454][ T7] kthread+0x521/0x560 [ 144.271535][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 144.276739][ T7] ? kthread_blkcg+0x110/0x110 [ 144.281500][ T7] ret_from_fork+0x1f/0x30 [ 144.285917][ T7] executing program [ 144.288227][ T7] Local variable ----data@usb_read8 created at: [ 144.294448][ T7] usb_read8+0x5d/0x130 [ 144.298600][ T7] usb_read8+0x5d/0x130 [ 144.302749][ T7] ===================================================== [ 144.310081][ T7] ===================================================== [ 144.310094][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 144.310132][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.310155][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.310172][ T7] Workqueue: usb_hub_wq hub_event [ 144.310198][ T7] Call Trace: [ 144.310207][ T7] dump_stack+0x24c/0x2e0 [ 144.310239][ T7] kmsan_report+0xfb/0x1e0 [ 144.310266][ T7] __msan_warning+0x5c/0xa0 [ 144.310291][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 144.310332][ T7] ? r871x_dev_unload+0x310/0x310 [ 144.310364][ T7] usb_probe_interface+0xfcc/0x1520 [ 144.310403][ T7] ? usb_register_driver+0x900/0x900 [ 144.310437][ T7] really_probe+0xe15/0x24d0 [ 144.390763][ T7] driver_probe_device+0x29d/0x3a0 [ 144.395900][ T7] __device_attach_driver+0x63f/0x830 [ 144.401290][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 144.406166][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.411907][ T7] __device_attach+0x56a/0x890 [ 144.416687][ T7] device_initial_probe+0x4a/0x60 [ 144.421722][ T7] bus_probe_device+0x17e/0x3d0 [ 144.426594][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.432418][ T7] device_add+0x2c15/0x31d0 [ 144.436942][ T7] usb_set_configuration+0x3872/0x3eb0 [ 144.442423][ T7] ? usb_set_configuration+0xae1/0x3eb0 [ 144.447991][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 144.454080][ T7] usb_generic_driver_probe+0x138/0x300 [ 144.459645][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 144.465397][ T7] usb_probe_device+0x317/0x570 [ 144.470271][ T7] ? usb_register_device_driver+0x590/0x590 [ 144.476192][ T7] really_probe+0xe15/0x24d0 [ 144.480801][ T7] driver_probe_device+0x29d/0x3a0 [ 144.485927][ T7] __device_attach_driver+0x63f/0x830 [ 144.491346][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 144.496219][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.501977][ T7] __device_attach+0x56a/0x890 [ 144.506756][ T7] device_initial_probe+0x4a/0x60 [ 144.511792][ T7] bus_probe_device+0x17e/0x3d0 [ 144.516664][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.522487][ T7] device_add+0x2c15/0x31d0 [ 144.527013][ T7] usb_new_device+0x1bd4/0x2a30 [ 144.531884][ T7] hub_event+0x5b99/0x8870 [ 144.536321][ T7] ? kmsan_get_metadata+0x116/0x180 [ 144.541541][ T7] ? kmsan_get_metadata+0x116/0x180 [ 144.546753][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.552575][ T7] ? led_work+0x780/0x780 [ 144.556915][ T7] process_one_work+0x1219/0x1fe0 [ 144.561965][ T7] worker_thread+0x12bc/0x2340 [ 144.566758][ T7] kthread+0x521/0x560 [ 144.570843][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 144.576064][ T7] ? kthread_blkcg+0x110/0x110 [ 144.580857][ T7] ret_from_fork+0x1f/0x30 [ 144.585292][ T7] [ 144.587633][ T7] Local variable ----mac@r871xu_drv_init created at: [ 144.594303][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 144.599257][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 144.604234][ T7] ===================================================== [ 144.611424][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 144.619217][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 144.634338][ T3695] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 144.643510][ T3695] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 144.661512][ T7] usb 1-1: USB disconnect, device number 4 [ 144.696378][ T3695] usb 1-1: r8712u: Firmware request failed [ 145.075222][ T7] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 145.435544][ T7] usb 1-1: config 0 has an invalid interface number: 250 but max is 0 [ 145.443824][ T7] usb 1-1: config 0 has no interface number 0 [ 145.450118][ T7] usb 1-1: New USB device found, idVendor=0df6, idProduct=004b, bcdDevice=99.a5 [ 145.459492][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 145.470595][ T7] usb 1-1: config 0 descriptor?? [ 145.542714][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 145.550055][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 145.645300][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 145.651328][ C0] ===================================================== [ 145.651351][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.651373][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.651400][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.651424][ C0] Workqueue: usb_hub_wq hub_event [ 145.651453][ C0] Call Trace: executing program [ 145.651466][ C0] dump_stack+0x24c/0x2e0 [ 145.651481][ C0] kmsan_report+0xfb/0x1e0 [ 145.651495][ C0] __msan_warning+0x5c/0xa0 [ 145.651510][ C0] string+0x573/0x6d0 [ 145.651523][ C0] vsnprintf+0x1acd/0x3600 [ 145.651538][ C0] pointer+0x1cbb/0x1ea0 [ 145.651553][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.651570][ C0] vsnprintf+0x15f2/0x3600 [ 145.651585][ C0] vprintk_store+0x2ab/0x1df0 [ 145.651601][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.651619][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 145.651636][ C0] ? __printk_safe_enter+0xe/0x30 [ 145.651652][ C0] vprintk_emit+0x28e/0x8b0 [ 145.651667][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 145.651682][ C0] dev_printk_emit+0x1ce/0x210 [ 145.651698][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.651716][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.651732][ C0] __dev_printk+0x3dc/0x458 [ 145.651747][ C0] _dev_info+0x1e5/0x22a [ 145.651769][ C0] ? usb_read8+0xe7/0x130 [ 145.651800][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.651836][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.651872][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 145.651912][ C0] ? r871x_dev_unload+0x310/0x310 [ 145.651938][ C0] usb_probe_interface+0xfcc/0x1520 [ 145.651954][ C0] ? usb_register_driver+0x900/0x900 [ 145.651971][ C0] really_probe+0xe15/0x24d0 [ 145.651986][ C0] driver_probe_device+0x29d/0x3a0 [ 145.652002][ C0] __device_attach_driver+0x63f/0x830 [ 145.652018][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.652035][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.652051][ C0] __device_attach+0x56a/0x890 [ 145.652067][ C0] device_initial_probe+0x4a/0x60 [ 145.652083][ C0] bus_probe_device+0x17e/0x3d0 [ 145.652099][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.652116][ C0] device_add+0x2c15/0x31d0 [ 145.652131][ C0] usb_set_configuration+0x3872/0x3eb0 [ 145.652148][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 145.652165][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.652183][ C0] usb_generic_driver_probe+0x138/0x300 [ 145.652200][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 145.652217][ C0] usb_probe_device+0x317/0x570 [ 145.652233][ C0] ? usb_register_device_driver+0x590/0x590 [ 145.652250][ C0] really_probe+0xe15/0x24d0 [ 145.652266][ C0] driver_probe_device+0x29d/0x3a0 [ 145.652282][ C0] __device_attach_driver+0x63f/0x830 [ 145.652299][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.652315][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.652332][ C0] __device_attach+0x56a/0x890 [ 145.652347][ C0] device_initial_probe+0x4a/0x60 [ 145.652363][ C0] bus_probe_device+0x17e/0x3d0 [ 145.652379][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.652396][ C0] device_add+0x2c15/0x31d0 [ 145.652411][ C0] usb_new_device+0x1bd4/0x2a30 [ 145.652426][ C0] hub_event+0x5b99/0x8870 [ 145.652442][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.652458][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.652475][ C0] ? led_work+0x780/0x780 [ 145.652490][ C0] process_one_work+0x1219/0x1fe0 [ 145.652506][ C0] worker_thread+0x12bc/0x2340 [ 145.652521][ C0] kthread+0x521/0x560 [ 145.652535][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 145.652551][ C0] ? kthread_blkcg+0x110/0x110 [ 145.652566][ C0] ret_from_fork+0x1f/0x30 [ 145.652580][ C0] [ 145.652593][ C0] Local variable ----data@usb_read8 created at: [ 145.652611][ C0] usb_read8+0x5d/0x130 [ 145.652626][ C0] usb_read8+0x5d/0x130 [ 145.652642][ C0] ===================================================== [ 145.652663][ C0] ===================================================== [ 145.652683][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.652704][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.652730][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.652754][ C0] Workqueue: usb_hub_wq hub_event [ 145.652781][ C0] Call Trace: [ 145.652794][ C0] dump_stack+0x24c/0x2e0 [ 145.652809][ C0] kmsan_report+0xfb/0x1e0 [ 145.652823][ C0] __msan_warning+0x5c/0xa0 [ 145.652838][ C0] string+0x573/0x6d0 [ 145.652852][ C0] vsnprintf+0x1acd/0x3600 [ 145.652866][ C0] pointer+0x1cbb/0x1ea0 [ 145.652882][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.652903][ C0] vsnprintf+0x15f2/0x3600 [ 145.652921][ C0] vprintk_store+0x2ab/0x1df0 [ 145.652953][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.652990][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 145.653029][ C0] ? __printk_safe_enter+0xe/0x30 [ 145.653063][ C0] vprintk_emit+0x28e/0x8b0 [ 145.653094][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 145.653110][ C0] dev_printk_emit+0x1ce/0x210 [ 145.653126][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.653143][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.653160][ C0] __dev_printk+0x3dc/0x458 [ 145.653175][ C0] _dev_info+0x1e5/0x22a [ 145.653189][ C0] ? usb_read8+0xe7/0x130 [ 145.653204][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.653220][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.653237][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 145.653252][ C0] ? r871x_dev_unload+0x310/0x310 [ 145.653268][ C0] usb_probe_interface+0xfcc/0x1520 [ 145.653285][ C0] ? usb_register_driver+0x900/0x900 [ 145.653301][ C0] really_probe+0xe15/0x24d0 [ 145.653316][ C0] driver_probe_device+0x29d/0x3a0 [ 145.653333][ C0] __device_attach_driver+0x63f/0x830 [ 145.653349][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.653365][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.653382][ C0] __device_attach+0x56a/0x890 [ 145.653398][ C0] device_initial_probe+0x4a/0x60 [ 145.653413][ C0] bus_probe_device+0x17e/0x3d0 [ 145.653430][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.653446][ C0] device_add+0x2c15/0x31d0 [ 145.653462][ C0] usb_set_configuration+0x3872/0x3eb0 [ 145.653478][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 145.653495][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.653513][ C0] usb_generic_driver_probe+0x138/0x300 [ 145.653530][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 145.653547][ C0] usb_probe_device+0x317/0x570 [ 145.653563][ C0] ? usb_register_device_driver+0x590/0x590 [ 145.653580][ C0] really_probe+0xe15/0x24d0 [ 145.653595][ C0] driver_probe_device+0x29d/0x3a0 [ 145.653611][ C0] __device_attach_driver+0x63f/0x830 [ 145.653627][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.653644][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.653660][ C0] __device_attach+0x56a/0x890 [ 145.653675][ C0] device_initial_probe+0x4a/0x60 [ 145.653691][ C0] bus_probe_device+0x17e/0x3d0 [ 145.653707][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.653724][ C0] device_add+0x2c15/0x31d0 [ 145.653738][ C0] usb_new_device+0x1bd4/0x2a30 [ 145.653753][ C0] hub_event+0x5b99/0x8870 [ 145.653768][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.653785][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.653801][ C0] ? led_work+0x780/0x780 [ 145.653816][ C0] process_one_work+0x1219/0x1fe0 [ 145.653832][ C0] worker_thread+0x12bc/0x2340 [ 145.653846][ C0] kthread+0x521/0x560 [ 145.653861][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 145.653877][ C0] ? kthread_blkcg+0x110/0x110 [ 145.653892][ C0] ret_from_fork+0x1f/0x30 [ 145.653910][ C0] [ 145.653923][ C0] Local variable ----data@usb_read8 created at: [ 145.653941][ C0] usb_read8+0x5d/0x130 [ 145.653955][ C0] usb_read8+0x5d/0x130 [ 145.653972][ C0] ===================================================== [ 145.653992][ C0] ===================================================== [ 145.654013][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.654034][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.654060][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.654092][ C0] Workqueue: usb_hub_wq hub_event [ 145.654147][ C0] Call Trace: [ 145.654175][ C0] dump_stack+0x24c/0x2e0 [ 145.654206][ C0] kmsan_report+0xfb/0x1e0 [ 145.654238][ C0] __msan_warning+0x5c/0xa0 [ 145.654256][ C0] string+0x573/0x6d0 [ 145.654270][ C0] vsnprintf+0x1acd/0x3600 [ 145.654284][ C0] pointer+0x1cbb/0x1ea0 [ 145.654299][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.654316][ C0] vsnprintf+0x15f2/0x3600 [ 145.654330][ C0] vprintk_store+0x2ab/0x1df0 [ 145.654346][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.654363][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 145.654380][ C0] ? __printk_safe_enter+0xe/0x30 [ 145.654396][ C0] vprintk_emit+0x28e/0x8b0 [ 145.654410][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 145.654426][ C0] dev_printk_emit+0x1ce/0x210 [ 145.654442][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.654459][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.654475][ C0] __dev_printk+0x3dc/0x458 [ 145.654490][ C0] _dev_info+0x1e5/0x22a [ 145.654504][ C0] ? usb_read8+0xe7/0x130 [ 145.654519][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.654535][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.654552][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 145.654567][ C0] ? r871x_dev_unload+0x310/0x310 [ 145.654583][ C0] usb_probe_interface+0xfcc/0x1520 [ 145.654599][ C0] ? usb_register_driver+0x900/0x900 [ 145.654615][ C0] really_probe+0xe15/0x24d0 [ 145.654630][ C0] driver_probe_device+0x29d/0x3a0 [ 145.654646][ C0] __device_attach_driver+0x63f/0x830 [ 145.654662][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.654678][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.654695][ C0] __device_attach+0x56a/0x890 [ 145.654710][ C0] device_initial_probe+0x4a/0x60 [ 145.654726][ C0] bus_probe_device+0x17e/0x3d0 [ 145.654742][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.654759][ C0] device_add+0x2c15/0x31d0 [ 145.654774][ C0] usb_set_configuration+0x3872/0x3eb0 [ 145.654791][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 145.654808][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.654826][ C0] usb_generic_driver_probe+0x138/0x300 [ 145.654843][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 145.654860][ C0] usb_probe_device+0x317/0x570 [ 145.654876][ C0] ? usb_register_device_driver+0x590/0x590 [ 145.654893][ C0] really_probe+0xe15/0x24d0 [ 145.654912][ C0] driver_probe_device+0x29d/0x3a0 [ 145.654929][ C0] __device_attach_driver+0x63f/0x830 [ 145.654945][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.654962][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.654978][ C0] __device_attach+0x56a/0x890 [ 145.654993][ C0] device_initial_probe+0x4a/0x60 [ 145.655009][ C0] bus_probe_device+0x17e/0x3d0 [ 145.655025][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.655062][ C0] device_add+0x2c15/0x31d0 [ 145.655093][ C0] usb_new_device+0x1bd4/0x2a30 [ 145.655125][ C0] hub_event+0x5b99/0x8870 [ 145.655158][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.655194][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.655228][ C0] ? led_work+0x780/0x780 [ 145.655258][ C0] process_one_work+0x1219/0x1fe0 [ 145.655291][ C0] worker_thread+0x12bc/0x2340 [ 145.655323][ C0] kthread+0x521/0x560 [ 145.655372][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 145.655405][ C0] ? kthread_blkcg+0x110/0x110 [ 145.655435][ C0] ret_from_fork+0x1f/0x30 [ 145.655449][ C0] [ 145.655462][ C0] Local variable ----data@usb_read8 created at: [ 145.655481][ C0] usb_read8+0x5d/0x130 [ 145.655496][ C0] usb_read8+0x5d/0x130 [ 145.655512][ C0] ===================================================== [ 145.655533][ C0] ===================================================== [ 145.655553][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.655575][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.655600][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.655624][ C0] Workqueue: usb_hub_wq hub_event [ 145.655651][ C0] Call Trace: [ 145.655664][ C0] dump_stack+0x24c/0x2e0 [ 145.655678][ C0] kmsan_report+0xfb/0x1e0 [ 145.655693][ C0] __msan_warning+0x5c/0xa0 [ 145.655707][ C0] string+0x573/0x6d0 [ 145.655721][ C0] vsnprintf+0x1acd/0x3600 [ 145.655736][ C0] pointer+0x1cbb/0x1ea0