[ OK ] Found device /dev/ttyS0. [ OK ] Started System Logging Service. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [** ] A start job is running for OpenBSD …Shell server (1min 26s / 2min 44s)[*** ] A start job is running for OpenBSD …Shell server (1min 27s / 2min 44s)[ *** ] A start job is running for OpenBSD …Shell server (1min 29s / 2min 58s)[ OK ] Started OpenBSD Secure Shell server. [ 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 Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ 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 '10.128.10.63' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 138.762509][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 139.022498][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 139.152757][ T7] usb 1-1: config 0 has an invalid interface number: 33 but max is 0 [ 139.161140][ T7] usb 1-1: config 0 has no interface number 0 [ 139.167626][ T7] usb 1-1: config 0 interface 33 altsetting 0 endpoint 0x4 has invalid maxpacket 1023, setting to 64 [ 139.179403][ T7] usb 1-1: config 0 interface 33 altsetting 0 endpoint 0x6 has invalid maxpacket 512, setting to 64 [ 139.190898][ T7] usb 1-1: New USB device found, idVendor=050d, idProduct=945a, bcdDevice=83.dd [ 139.200329][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 139.211952][ T7] usb 1-1: config 0 descriptor?? [ 139.261100][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 139.268314][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 3 endpoints [ 139.382600][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 139.387918][ C0] ===================================================== [ 139.387943][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 139.387965][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.12.0-rc6-syzkaller #0 [ 139.387990][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.388015][ C0] Workqueue: usb_hub_wq hub_event [ 139.388046][ C0] Call Trace: [ 139.388059][ C0] dump_stack+0x24c/0x2e0 [ 139.388074][ C0] kmsan_report+0xfb/0x1e0 [ 139.388090][ C0] __msan_warning+0x5c/0xa0 [ 139.388108][ C0] string+0x573/0x6d0 [ 139.388123][ C0] vsnprintf+0x1acd/0x3600 [ 139.388137][ C0] pointer+0x1cbb/0x1ea0 [ 139.388156][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.388175][ C0] vsnprintf+0x15f2/0x3600 [ 139.388191][ C0] vprintk_store+0x2ab/0x1df0 [ 139.388208][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.388225][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 139.388243][ C0] ? __printk_safe_enter+0xe/0x30 [ 139.388260][ C0] vprintk_emit+0x28e/0x8b0 [ 139.388275][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 139.388291][ C0] dev_printk_emit+0x1ce/0x210 [ 139.388307][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 139.388325][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.388343][ C0] __dev_printk+0x3dc/0x458 [ 139.388357][ C0] _dev_info+0x1e5/0x22a [ 139.388372][ C0] ? usb_read8+0xe7/0x130 [ 139.388387][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 139.388404][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 139.388421][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 139.388437][ C0] ? r871x_dev_unload+0x310/0x310 [ 139.388453][ C0] usb_probe_interface+0xfcc/0x1520 [ 139.388469][ C0] ? usb_register_driver+0x900/0x900 [ 139.388485][ C0] really_probe+0xe15/0x24d0 [ 139.388503][ C0] driver_probe_device+0x29d/0x3a0 [ 139.388519][ C0] __device_attach_driver+0x63f/0x830 [ 139.388536][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 139.388552][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.388570][ C0] __device_attach+0x56a/0x890 [ 139.388585][ C0] device_initial_probe+0x4a/0x60 [ 139.388601][ C0] bus_probe_device+0x17e/0x3d0 [ 139.388617][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.388634][ C0] device_add+0x2c15/0x31d0 [ 139.388651][ C0] usb_set_configuration+0x3872/0x3eb0 [ 139.388668][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 139.388685][ C0] usb_generic_driver_probe+0x138/0x300 [ 139.388703][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 139.388720][ C0] usb_probe_device+0x317/0x570 [ 139.388736][ C0] ? usb_register_device_driver+0x590/0x590 [ 139.388754][ C0] really_probe+0xe15/0x24d0 [ 139.388769][ C0] driver_probe_device+0x29d/0x3a0 [ 139.388786][ C0] __device_attach_driver+0x63f/0x830 [ 139.388803][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 139.388819][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.388837][ C0] __device_attach+0x56a/0x890 [ 139.388853][ C0] device_initial_probe+0x4a/0x60 [ 139.388870][ C0] bus_probe_device+0x17e/0x3d0 [ 139.388886][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.388904][ C0] device_add+0x2c15/0x31d0 [ 139.388919][ C0] usb_new_device+0x1bd4/0x2a30 [ 139.388935][ C0] hub_event+0x5b99/0x8870 [ 139.388950][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.388967][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.388983][ C0] ? led_work+0x780/0x780 [ 139.388998][ C0] process_one_work+0x1219/0x1fe0 [ 139.389014][ C0] worker_thread+0x10ec/0x2340 [ 139.389029][ C0] kthread+0x521/0x560 [ 139.389043][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 139.389059][ C0] ? kthread_blkcg+0x110/0x110 [ 139.389074][ C0] ret_from_fork+0x1f/0x30 [ 139.389088][ C0] [ 139.389101][ C0] Local variable ----data@usb_read8 created at: [ 139.389119][ C0] usb_read8+0x5d/0x130 [ 139.389134][ C0] usb_read8+0x5d/0x130 [ 139.389156][ C0] ===================================================== [ 139.389176][ C0] Disabling lock debugging due to kernel taint [ 139.389195][ C0] ===================================================== [ 139.389216][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 139.389237][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 139.389262][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.389286][ C0] Workqueue: usb_hub_wq hub_event [ 139.389312][ C0] Call Trace: [ 139.389325][ C0] dump_stack+0x24c/0x2e0 [ 139.389339][ C0] kmsan_report+0xfb/0x1e0 [ 139.389354][ C0] __msan_warning+0x5c/0xa0 [ 139.389368][ C0] string+0x573/0x6d0 [ 139.389382][ C0] vsnprintf+0x1acd/0x3600 [ 139.389396][ C0] pointer+0x1cbb/0x1ea0 [ 139.389411][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.389428][ C0] vsnprintf+0x15f2/0x3600 [ 139.389443][ C0] vprintk_store+0x2ab/0x1df0 [ 139.389459][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.389477][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 139.389494][ C0] ? __printk_safe_enter+0xe/0x30 [ 139.389510][ C0] vprintk_emit+0x28e/0x8b0 [ 139.389525][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 139.389540][ C0] dev_printk_emit+0x1ce/0x210 [ 139.389556][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 139.389574][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.389590][ C0] __dev_printk+0x3dc/0x458 [ 139.389605][ C0] _dev_info+0x1e5/0x22a [ 139.389620][ C0] ? usb_read8+0xe7/0x130 [ 139.389635][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 139.389653][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 139.389670][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 139.389686][ C0] ? r871x_dev_unload+0x310/0x310 [ 139.389702][ C0] usb_probe_interface+0xfcc/0x1520 [ 139.389719][ C0] ? usb_register_driver+0x900/0x900 [ 139.389735][ C0] really_probe+0xe15/0x24d0 [ 139.389750][ C0] driver_probe_device+0x29d/0x3a0 [ 139.389766][ C0] __device_attach_driver+0x63f/0x830 [ 139.389782][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 139.389798][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.389815][ C0] __device_attach+0x56a/0x890 [ 139.389830][ C0] device_initial_probe+0x4a/0x60 [ 139.389846][ C0] bus_probe_device+0x17e/0x3d0 [ 139.389862][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.389879][ C0] device_add+0x2c15/0x31d0 [ 139.389894][ C0] usb_set_configuration+0x3872/0x3eb0 [ 139.389911][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 139.389928][ C0] usb_generic_driver_probe+0x138/0x300 [ 139.389945][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 139.389961][ C0] usb_probe_device+0x317/0x570 [ 139.389977][ C0] ? usb_register_device_driver+0x590/0x590 [ 139.389994][ C0] really_probe+0xe15/0x24d0 [ 139.390010][ C0] driver_probe_device+0x29d/0x3a0 [ 139.390026][ C0] __device_attach_driver+0x63f/0x830 [ 139.390042][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 139.390058][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.390075][ C0] __device_attach+0x56a/0x890 [ 139.390090][ C0] device_initial_probe+0x4a/0x60 [ 139.390106][ C0] bus_probe_device+0x17e/0x3d0 [ 139.390122][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.390138][ C0] device_add+0x2c15/0x31d0 [ 139.390157][ C0] usb_new_device+0x1bd4/0x2a30 [ 139.390173][ C0] hub_event+0x5b99/0x8870 [ 139.390188][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.390207][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.390224][ C0] ? led_work+0x780/0x780 [ 139.390239][ C0] process_one_work+0x1219/0x1fe0 [ 139.390254][ C0] worker_thread+0x10ec/0x2340 [ 139.390269][ C0] kthread+0x521/0x560 [ 139.390283][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 139.390299][ C0] ? kthread_blkcg+0x110/0x110 [ 139.390314][ C0] ret_from_fork+0x1f/0x30 [ 139.390328][ C0] [ 139.390341][ C0] Local variable ----data@usb_read8 created at: [ 139.390359][ C0] usb_read8+0x5d/0x130 [ 139.390374][ C0] usb_read8+0x5d/0x130 [ 139.390390][ C0] ===================================================== [ 139.390412][ C0] ===================================================== [ 139.390432][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 139.390454][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 139.390479][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.390503][ C0] Workqueue: usb_hub_wq hub_event [ 139.390530][ C0] Call Trace: [ 139.390543][ C0] dump_stack+0x24c/0x2e0 [ 139.390558][ C0] kmsan_report+0xfb/0x1e0 [ 139.390572][ C0] __msan_warning+0x5c/0xa0 [ 139.390587][ C0] string+0x573/0x6d0 [ 139.390602][ C0] vsnprintf+0x1acd/0x3600 [ 139.390622][ C0] pointer+0x1cbb/0x1ea0 [ 139.390638][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.390656][ C0] vsnprintf+0x15f2/0x3600 [ 139.390671][ C0] vprintk_store+0x2ab/0x1df0 [ 139.390686][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.390704][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 139.390721][ C0] ? __printk_safe_enter+0xe/0x30 [ 139.390737][ C0] vprintk_emit+0x28e/0x8b0 [ 139.390752][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 139.390768][ C0] dev_printk_emit+0x1ce/0x210 [ 139.390785][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 139.390865][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.390884][ C0] __dev_printk+0x3dc/0x458 [ 139.390899][ C0] _dev_info+0x1e5/0x22a [ 139.390914][ C0] ? usb_read8+0xe7/0x130 [ 139.390929][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 139.390946][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 139.390963][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 139.390979][ C0] ? r871x_dev_unload+0x310/0x310 [ 139.390995][ C0] usb_probe_interface+0xfcc/0x1520 [ 139.391012][ C0] ? usb_register_driver+0x900/0x900 [ 139.391029][ C0] really_probe+0xe15/0x24d0 [ 139.391047][ C0] driver_probe_device+0x29d/0x3a0 [ 139.391064][ C0] __device_attach_driver+0x63f/0x830 [ 139.391081][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 139.391097][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.391115][ C0] __device_attach+0x56a/0x890 [ 139.391131][ C0] device_initial_probe+0x4a/0x60 [ 139.391151][ C0] bus_probe_device+0x17e/0x3d0 [ 139.391167][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.391184][ C0] device_add+0x2c15/0x31d0 [ 139.391201][ C0] usb_set_configuration+0x3872/0x3eb0 [ 139.391218][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 139.391235][ C0] usb_generic_driver_probe+0x138/0x300 [ 139.391253][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 139.391271][ C0] usb_probe_device+0x317/0x570 [ 139.391287][ C0] ? usb_register_device_driver+0x590/0x590 [ 139.391306][ C0] really_probe+0xe15/0x24d0 [ 139.391321][ C0] driver_probe_device+0x29d/0x3a0 [ 139.391338][ C0] __device_attach_driver+0x63f/0x830 [ 139.391355][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 139.391371][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.391389][ C0] __device_attach+0x56a/0x890 [ 139.391404][ C0] device_initial_probe+0x4a/0x60 [ 139.391420][ C0] bus_probe_device+0x17e/0x3d0 [ 139.391436][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.391454][ C0] device_add+0x2c15/0x31d0 [ 139.391469][ C0] usb_new_device+0x1bd4/0x2a30 [ 139.391484][ C0] hub_event+0x5b99/0x8870 [ 139.391499][ C0] ? kmsan_get_metadata+0x116/0x180 [ 139.391516][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.391533][ C0] ? led_work+0x780/0x780 [ 139.391548][ C0] process_one_work+0x1219/0x1fe0 [ 139.391564][ C0] worker_thread+0x10ec/0x2340 [ 139.391579][ C0] kthread+0x521/0x560 [ 139.391593][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 139.391609][ C0] ? kthread_blkcg+0x110/0x110 [ 139.391624][ C0] ret_from_fork+0x1f/0x30 [ 139.391638][ C0] [ 139.391653][ C0] Local variable ----data@usb_read8 created at: [ 139.391671][ C0] usb_read8+0x5d/0x130 [ 139.391686][ C0] usb_read8+0x5d/0x130 [ 139.391703][ C0] ===================================================== [ 139.391723][ C0] ===================================================== [ 139.391744][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 139.391765][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 139.391791][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.391815][ C0] Workqueue: usb_hub_wq hub_event [ 139.391842][ C0] Call Trace: [ 139.391855][ C0] dump_stack+0x24c/0x2e0 [ 139.391869][ C0] kmsan_report+0xfb/0x1e0 [ 139.391884][ C0] __msan_warning+0x5c/0xa0 [ 139.391898][ C0] string+0x573/0x6d0 [ 139.391912][ C0] vsnprintf+0x1acd/0x3600 [ 139.391927][ C0] pointer+0x1cbb/0x1ea0 [ 139.391942][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.391959][ C0] vsnprintf+0x15f2/0x3600 [ 139.391974][ C0] vprintk_store+0x2ab/0x1df0 [ 139.391990][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 139.392007][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 139.392024][ C0] ? __printk_safe_enter+0xe/0x30 [ 139.392039][ C0] vprintk_emit+0x28e/0x8b0 [ 139.392054][ C0] dev_vprintk_emit+0x5f7 [ 139.392080][ C0] Lost 1704 message(s)! [ 140.702883][ T7] ===================================================== [ 140.710075][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 140.717496][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.727209][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.737476][ T7] Workqueue: usb_hub_wq hub_event [ 140.742710][ T7] Call Trace: [ 140.746151][ T7] dump_stack+0x24c/0x2e0 [ 140.750612][ T7] kmsan_report+0xfb/0x1e0 [ 140.755063][ T7] __msan_warning+0x5c/0xa0 [ 140.759605][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 140.764688][ T7] ? r871x_dev_unload+0x310/0x310 [ 140.769854][ T7] usb_probe_interface+0xfcc/0x1520 [ 140.775537][ T7] ? usb_register_driver+0x900/0x900 [ 140.781088][ T7] really_probe+0xe15/0x24d0 [ 140.785866][ T7] driver_probe_device+0x29d/0x3a0 [ 140.791103][ T7] __device_attach_driver+0x63f/0x830 [ 140.796680][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 140.801566][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.807498][ T7] __device_attach+0x56a/0x890 [ 140.812310][ T7] device_initial_probe+0x4a/0x60 [ 140.817466][ T7] bus_probe_device+0x17e/0x3d0 [ 140.822562][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.828497][ T7] device_add+0x2c15/0x31d0 [ 140.833047][ T7] usb_set_configuration+0x3872/0x3eb0 [ 140.838558][ T7] ? usb_set_configuration+0xae1/0x3eb0 [ 140.844180][ T7] usb_generic_driver_probe+0x138/0x300 [ 140.850109][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 140.855881][ T7] usb_probe_device+0x317/0x570 [ 140.860861][ T7] ? usb_register_device_driver+0x590/0x590 [ 140.866883][ T7] really_probe+0xe15/0x24d0 [ 140.871824][ T7] driver_probe_device+0x29d/0x3a0 [ 140.876997][ T7] __device_attach_driver+0x63f/0x830 [ 140.882691][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 140.887674][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.893560][ T7] __device_attach+0x56a/0x890 [ 140.898499][ T7] device_initial_probe+0x4a/0x60 [ 140.903557][ T7] bus_probe_device+0x17e/0x3d0 [ 140.908448][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.914289][ T7] device_add+0x2c15/0x31d0 [ 140.918919][ T7] usb_new_device+0x1bd4/0x2a30 [ 140.923951][ T7] hub_event+0x5b99/0x8870 [ 140.928583][ T7] ? kmsan_get_metadata+0x116/0x180 [ 140.933817][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.939944][ T7] ? led_work+0x780/0x780 [ 140.944408][ T7] process_one_work+0x1219/0x1fe0 executing program [ 140.949602][ T7] worker_thread+0x10ec/0x2340 [ 140.954396][ T7] kthread+0x521/0x560 [ 140.958484][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 140.963822][ T7] ? kthread_blkcg+0x110/0x110 [ 140.968602][ T7] ret_from_fork+0x1f/0x30 [ 140.973091][ T7] [ 140.975417][ T7] Local variable ----data@usb_read8 created at: [ 140.981651][ T7] usb_read8+0x5d/0x130 [ 140.985837][ T7] usb_read8+0x5d/0x130 [ 140.990008][ T7] ===================================================== [ 140.997363][ T7] ===================================================== [ 141.004613][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 141.012278][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.022274][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.032374][ T7] Workqueue: usb_hub_wq hub_event [ 141.037453][ T7] Call Trace: [ 141.040905][ T7] dump_stack+0x24c/0x2e0 [ 141.045281][ T7] kmsan_report+0xfb/0x1e0 [ 141.049739][ T7] __msan_warning+0x5c/0xa0 [ 141.054394][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 141.059642][ T7] ? r871x_dev_unload+0x310/0x310 [ 141.064713][ T7] usb_probe_interface+0xfcc/0x1520 [ 141.070088][ T7] ? usb_register_driver+0x900/0x900 [ 141.075423][ T7] really_probe+0xe15/0x24d0 [ 141.080142][ T7] driver_probe_device+0x29d/0x3a0 [ 141.085295][ T7] __device_attach_driver+0x63f/0x830 [ 141.090713][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 141.095615][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.101762][ T7] __device_attach+0x56a/0x890 [ 141.106574][ T7] device_initial_probe+0x4a/0x60 [ 141.112002][ T7] bus_probe_device+0x17e/0x3d0 [ 141.117031][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.123103][ T7] device_add+0x2c15/0x31d0 [ 141.127751][ T7] usb_set_configuration+0x3872/0x3eb0 [ 141.133641][ T7] ? usb_set_configuration+0xae1/0x3eb0 [ 141.139302][ T7] usb_generic_driver_probe+0x138/0x300 [ 141.144980][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 141.150708][ T7] usb_probe_device+0x317/0x570 [ 141.155673][ T7] ? usb_register_device_driver+0x590/0x590 [ 141.161886][ T7] really_probe+0xe15/0x24d0 [ 141.166493][ T7] driver_probe_device+0x29d/0x3a0 [ 141.171741][ T7] __device_attach_driver+0x63f/0x830 [ 141.177301][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 141.182169][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.188117][ T7] __device_attach+0x56a/0x890 [ 141.193198][ T7] device_initial_probe+0x4a/0x60 [ 141.198492][ T7] bus_probe_device+0x17e/0x3d0 [ 141.203486][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.209426][ T7] device_add+0x2c15/0x31d0 [ 141.214200][ T7] usb_new_device+0x1bd4/0x2a30 [ 141.219068][ T7] hub_event+0x5b99/0x8870 [ 141.225056][ T7] ? kmsan_get_metadata+0x116/0x180 [ 141.230592][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.236442][ T7] ? led_work+0x780/0x780 [ 141.240810][ T7] process_one_work+0x1219/0x1fe0 [ 141.246077][ T7] worker_thread+0x10ec/0x2340 [ 141.250882][ T7] kthread+0x521/0x560 [ 141.255162][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 141.260576][ T7] ? kthread_blkcg+0x110/0x110 [ 141.265752][ T7] ret_from_fork+0x1f/0x30 [ 141.270189][ T7] [ 141.272517][ T7] Local variable ----mac@r871xu_drv_init created at: [ 141.279248][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 141.284235][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 141.289182][ T7] ===================================================== [ 141.296459][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 141.304310][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 141.318577][ T7] usb 1-1: USB disconnect, device number 2 [ 141.365663][ T8232] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 141.375265][ T8232] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 141.407872][ T8232] usb 1-1: r8712u: Firmware request failed [ 141.772309][ T7] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 142.012295][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 142.142523][ T7] usb 1-1: config 0 has an invalid interface number: 33 but max is 0 [ 142.151042][ T7] usb 1-1: config 0 has no interface number 0 [ 142.157594][ T7] usb 1-1: config 0 interface 33 altsetting 0 endpoint 0x4 has invalid maxpacket 1023, setting to 64 [ 142.169194][ T7] usb 1-1: config 0 interface 33 altsetting 0 endpoint 0x6 has invalid maxpacket 512, setting to 64 [ 142.180483][ T7] usb 1-1: New USB device found, idVendor=050d, idProduct=945a, bcdDevice=83.dd [ 142.190034][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 142.201718][ T7] usb 1-1: config 0 descriptor?? [ 142.259791][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 142.267139][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 3 endpoints [ 142.392399][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 142.398331][ C0] ===================================================== [ 142.398358][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 142.398381][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.398408][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.398432][ C0] Workqueue: usb_hub_wq hub_event [ 142.398463][ C0] Call Trace: [ 142.398476][ C0] dump_stack+0x24c/0x2e0 [ 142.398491][ C0] kmsan_report+0xfb/0x1e0 [ 142.398506][ C0] __msan_warning+0x5c/0xa0 [ 142.398521][ C0] string+0x573/0x6d0 [ 142.398535][ C0] vsnprintf+0x1acd/0x3600 [ 142.398551][ C0] pointer+0x1cbb/0x1ea0 [ 142.398566][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.398583][ C0] vsnprintf+0x15f2/0x3600 [ 142.398598][ C0] vprintk_store+0x2ab/0x1df0 [ 142.398620][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.398638][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 142.398656][ C0] ? __printk_safe_enter+0xe/0x30 [ 142.398672][ C0] vprintk_emit+0x28e/0x8b0 [ 142.398687][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 142.398703][ C0] dev_printk_emit+0x1ce/0x210 [ 142.398719][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 142.398737][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.398754][ C0] __dev_printk+0x3dc/0x458 [ 142.398768][ C0] _dev_info+0x1e5/0x22a [ 142.398783][ C0] ? usb_read8+0xe7/0x130 [ 142.398798][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 142.398816][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 142.398832][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 142.398849][ C0] ? r871x_dev_unload+0x310/0x310 [ 142.398865][ C0] usb_probe_interface+0xfcc/0x1520 [ 142.398882][ C0] ? usb_register_driver+0x900/0x900 [ 142.398898][ C0] really_probe+0xe15/0x24d0 [ 142.398923][ C0] driver_probe_device+0x29d/0x3a0 [ 142.398956][ C0] __device_attach_driver+0x63f/0x830 [ 142.399012][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.399048][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.399084][ C0] __device_attach+0x56a/0x890 [ 142.399115][ C0] device_initial_probe+0x4a/0x60 [ 142.399144][ C0] bus_probe_device+0x17e/0x3d0 [ 142.399162][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.399179][ C0] device_add+0x2c15/0x31d0 [ 142.399195][ C0] usb_set_configuration+0x3872/0x3eb0 [ 142.399213][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 142.399230][ C0] usb_generic_driver_probe+0x138/0x300 [ 142.399247][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 142.399265][ C0] usb_probe_device+0x317/0x570 [ 142.399282][ C0] ? usb_register_device_driver+0x590/0x590 [ 142.399299][ C0] really_probe+0xe15/0x24d0 [ 142.399315][ C0] driver_probe_device+0x29d/0x3a0 [ 142.399332][ C0] __device_attach_driver+0x63f/0x830 [ 142.399348][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.399364][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.399382][ C0] __device_attach+0x56a/0x890 [ 142.399398][ C0] device_initial_probe+0x4a/0x60 [ 142.399414][ C0] bus_probe_device+0x17e/0x3d0 [ 142.399430][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.399447][ C0] device_add+0x2c15/0x31d0 [ 142.399463][ C0] usb_new_device+0x1bd4/0x2a30 [ 142.399479][ C0] hub_event+0x5b99/0x8870 [ 142.399494][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.399511][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.399529][ C0] ? led_work+0x780/0x780 [ 142.399544][ C0] process_one_work+0x1219/0x1fe0 [ 142.399560][ C0] worker_thread+0x12bc/0x2340 [ 142.399574][ C0] kthread+0x521/0x560 [ 142.399589][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 142.399605][ C0] ? kthread_blkcg+0x110/0x110 [ 142.399625][ C0] ret_from_fork+0x1f/0x30 [ 142.399638][ C0] [ 142.399651][ C0] Local variable ----data@usb_read8 created at: [ 142.399669][ C0] usb_read8+0x5d/0x130 [ 142.399684][ C0] usb_read8+0x5d/0x130 [ 142.399701][ C0] ===================================================== [ 142.399721][ C0] ===================================================== [ 142.399741][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 142.399762][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.399788][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.399812][ C0] Workqueue: usb_hub_wq hub_event [ 142.399840][ C0] Call Trace: [ 142.399853][ C0] dump_stack+0x24c/0x2e0 [ 142.399868][ C0] kmsan_report+0xfb/0x1e0 [ 142.399882][ C0] __msan_warning+0x5c/0xa0 [ 142.399897][ C0] string+0x573/0x6d0 [ 142.399911][ C0] vsnprintf+0x1acd/0x3600 [ 142.399926][ C0] pointer+0x1cbb/0x1ea0 [ 142.399942][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.399959][ C0] vsnprintf+0x15f2/0x3600 [ 142.399974][ C0] vprintk_store+0x2ab/0x1df0 [ 142.399990][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.400007][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 142.400025][ C0] ? __printk_safe_enter+0xe/0x30 [ 142.400041][ C0] vprintk_emit+0x28e/0x8b0 [ 142.400055][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 142.400072][ C0] dev_printk_emit+0x1ce/0x210 [ 142.400088][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 142.400118][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.400152][ C0] __dev_printk+0x3dc/0x458 [ 142.400182][ C0] _dev_info+0x1e5/0x22a [ 142.400211][ C0] ? usb_read8+0xe7/0x130 [ 142.400242][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 142.400277][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 142.400312][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 142.400333][ C0] ? r871x_dev_unload+0x310/0x310 [ 142.400350][ C0] usb_probe_interface+0xfcc/0x1520 [ 142.400367][ C0] ? usb_register_driver+0x900/0x900 [ 142.400384][ C0] really_probe+0xe15/0x24d0 [ 142.400400][ C0] driver_probe_device+0x29d/0x3a0 [ 142.400416][ C0] __device_attach_driver+0x63f/0x830 [ 142.400433][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.400449][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.400467][ C0] __device_attach+0x56a/0x890 [ 142.400482][ C0] device_initial_probe+0x4a/0x60 [ 142.400500][ C0] bus_probe_device+0x17e/0x3d0 [ 142.400515][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.400533][ C0] device_add+0x2c15/0x31d0 [ 142.400555][ C0] usb_set_configuration+0x3872/0x3eb0 [ 142.400573][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 142.400590][ C0] usb_generic_driver_probe+0x138/0x300 [ 142.400611][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 142.400628][ C0] usb_probe_device+0x317/0x570 [ 142.400645][ C0] ? usb_register_device_driver+0x590/0x590 [ 142.400661][ C0] really_probe+0xe15/0x24d0 [ 142.400677][ C0] driver_probe_device+0x29d/0x3a0 [ 142.400693][ C0] __device_attach_driver+0x63f/0x830 [ 142.400710][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.400726][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.400743][ C0] __device_attach+0x56a/0x890 [ 142.400759][ C0] device_initial_probe+0x4a/0x60 [ 142.400776][ C0] bus_probe_device+0x17e/0x3d0 [ 142.400792][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.400809][ C0] device_add+0x2c15/0x31d0 [ 142.400824][ C0] usb_new_device+0x1bd4/0x2a30 [ 142.400840][ C0] hub_event+0x5b99/0x8870 [ 142.400866][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.400886][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.400903][ C0] ? led_work+0x780/0x780 [ 142.400918][ C0] process_one_work+0x1219/0x1fe0 [ 142.400934][ C0] worker_thread+0x12bc/0x2340 [ 142.400950][ C0] kthread+0x521/0x560 [ 142.400964][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 142.400981][ C0] ? kthread_blkcg+0x110/0x110 [ 142.400996][ C0] ret_from_fork+0x1f/0x30 [ 142.401010][ C0] [ 142.401023][ C0] Local variable ----data@usb_read8 created at: [ 142.401042][ C0] usb_read8+0x5d/0x130 [ 142.401057][ C0] usb_read8+0x5d/0x130 [ 142.401073][ C0] ===================================================== [ 142.401094][ C0] ===================================================== [ 142.401118][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 142.401141][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.401167][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.401192][ C0] Workqueue: usb_hub_wq hub_event [ 142.401220][ C0] Call Trace: [ 142.401233][ C0] dump_stack+0x24c/0x2e0 [ 142.401248][ C0] kmsan_report+0xfb/0x1e0 [ 142.401263][ C0] __msan_warning+0x5c/0xa0 [ 142.401277][ C0] string+0x573/0x6d0 [ 142.401301][ C0] vsnprintf+0x1acd/0x3600 [ 142.401328][ C0] pointer+0x1cbb/0x1ea0 [ 142.401358][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.401392][ C0] vsnprintf+0x15f2/0x3600 [ 142.401423][ C0] vprintk_store+0x2ab/0x1df0 [ 142.401455][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.401491][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 142.401522][ C0] ? __printk_safe_enter+0xe/0x30 [ 142.401539][ C0] vprintk_emit+0x28e/0x8b0 [ 142.401554][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 142.401569][ C0] dev_printk_emit+0x1ce/0x210 [ 142.401587][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 142.401604][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.401627][ C0] __dev_printk+0x3dc/0x458 [ 142.401642][ C0] _dev_info+0x1e5/0x22a [ 142.401657][ C0] ? usb_read8+0xe7/0x130 [ 142.401672][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 142.401688][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 142.401706][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 142.401722][ C0] ? r871x_dev_unload+0x310/0x310 [ 142.401739][ C0] usb_probe_interface+0xfcc/0x1520 [ 142.401756][ C0] ? usb_register_driver+0x900/0x900 [ 142.401772][ C0] really_probe+0xe15/0x24d0 [ 142.401787][ C0] driver_probe_device+0x29d/0x3a0 [ 142.401803][ C0] __device_attach_driver+0x63f/0x830 [ 142.401820][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.401836][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.401853][ C0] __device_attach+0x56a/0x890 [ 142.401869][ C0] device_initial_probe+0x4a/0x60 [ 142.401885][ C0] bus_probe_device+0x17e/0x3d0 [ 142.401901][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.401917][ C0] device_add+0x2c15/0x31d0 [ 142.401932][ C0] usb_set_configuration+0x3872/0x3eb0 [ 142.401949][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 142.401966][ C0] usb_generic_driver_probe+0x138/0x300 [ 142.402004][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 142.402035][ C0] usb_probe_device+0x317/0x570 [ 142.402064][ C0] ? usb_register_device_driver+0x590/0x590 [ 142.402098][ C0] really_probe+0xe15/0x24d0 [ 142.402127][ C0] driver_probe_device+0x29d/0x3a0 [ 142.402156][ C0] __device_attach_driver+0x63f/0x830 [ 142.402186][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.402219][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.402256][ C0] __device_attach+0x56a/0x890 [ 142.402285][ C0] device_initial_probe+0x4a/0x60 [ 142.402306][ C0] bus_probe_device+0x17e/0x3d0 [ 142.402322][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.402339][ C0] device_add+0x2c15/0x31d0 [ 142.402355][ C0] usb_new_device+0x1bd4/0x2a30 [ 142.402371][ C0] hub_event+0x5b99/0x8870 [ 142.402386][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.402404][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.402421][ C0] ? led_work+0x780/0x780 [ 142.402437][ C0] process_one_work+0x1219/0x1fe0 [ 142.402453][ C0] worker_thread+0x12bc/0x2340 [ 142.402469][ C0] kthread+0x521/0x560 [ 142.402496][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 142.402530][ C0] ? kthread_blkcg+0x110/0x110 [ 142.402561][ C0] ret_from_fork+0x1f/0x30 [ 142.402598][ C0] [ 142.402631][ C0] Local variable ----data@usb_read8 created at: [ 142.402670][ C0] usb_read8+0x5d/0x130 [ 142.402695][ C0] usb_read8+0x5d/0x130 [ 142.402712][ C0] ===================================================== [ 142.402733][ C0] ===================================================== [ 142.402754][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 142.402775][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.402801][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.402825][ C0] Workqueue: usb_hub_wq hub_event [ 142.402853][ C0] Call Trace: [ 142.402867][ C0] dump_stack+0x24c/0x2e0 [ 142.402881][ C0] kmsan_report+0xfb/0x1e0 [ 142.402896][ C0] __msan_warning+0x5c/0xa0 [ 142.402911][ C0] string+0x573/0x6d0 [ 142.402925][ C0] vsnprintf+0x1acd/0x3600 [ 142.402940][ C0] pointer+0x1cbb/0x1ea0 [ 142.402955][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.402973][ C0] vsnprintf+0x15f2/0x3600 [ 142.402988][ C0] vprintk_store+0x2ab/0x1df0 [ 142.403003][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.403021][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 142.403039][ C0] ? __printk_safe_enter+0xe/0x30 [ 142.403054][ C0] vprintk_emit+0x28e/0x8b0 [ 142.403070][ C0] dev_vprintk_emit+0x5f7/0x6d8 executing program [ 142.403085][ C0] dev_printk_emit+0x1ce/0 [ 142.403124][ C0] Lost 1703 message(s)! [ 143.714735][ T7] ===================================================== [ 143.721695][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 143.729178][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.738902][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.749109][ T7] Workqueue: usb_hub_wq hub_event [ 143.754184][ T7] Call Trace: [ 143.757617][ T7] dump_stack+0x24c/0x2e0 [ 143.761999][ T7] kmsan_report+0xfb/0x1e0 [ 143.766457][ T7] __msan_warning+0x5c/0xa0 [ 143.771003][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 143.776291][ T7] ? r871x_dev_unload+0x310/0x310 [ 143.781651][ T7] usb_probe_interface+0xfcc/0x1520 [ 143.786902][ T7] ? usb_register_driver+0x900/0x900 [ 143.792324][ T7] really_probe+0xe15/0x24d0 [ 143.796953][ T7] driver_probe_device+0x29d/0x3a0 [ 143.802368][ T7] __device_attach_driver+0x63f/0x830 [ 143.807957][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 143.812960][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.818718][ T7] __device_attach+0x56a/0x890 [ 143.823532][ T7] device_initial_probe+0x4a/0x60 [ 143.828926][ T7] bus_probe_device+0x17e/0x3d0 [ 143.833956][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.839814][ T7] device_add+0x2c15/0x31d0 [ 143.844375][ T7] usb_set_configuration+0x3872/0x3eb0 [ 143.849958][ T7] ? usb_set_configuration+0xae1/0x3eb0 [ 143.857014][ T7] usb_generic_driver_probe+0x138/0x300 [ 143.862605][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 143.868511][ T7] usb_probe_device+0x317/0x570 [ 143.873417][ T7] ? usb_register_device_driver+0x590/0x590 [ 143.879476][ T7] really_probe+0xe15/0x24d0 [ 143.884345][ T7] driver_probe_device+0x29d/0x3a0 [ 143.889666][ T7] __device_attach_driver+0x63f/0x830 [ 143.895259][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 143.900279][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.906166][ T7] __device_attach+0x56a/0x890 [ 143.910974][ T7] device_initial_probe+0x4a/0x60 [ 143.916028][ T7] bus_probe_device+0x17e/0x3d0 [ 143.920998][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.926932][ T7] device_add+0x2c15/0x31d0 [ 143.931483][ T7] usb_new_device+0x1bd4/0x2a30 [ 143.936853][ T7] hub_event+0x5b99/0x8870 [ 143.941415][ T7] ? kmsan_get_metadata+0x116/0x180 [ 143.946647][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.952603][ T7] ? led_work+0x780/0x780 [ 143.956971][ T7] process_one_work+0x1219/0x1fe0 [ 143.962045][ T7] worker_thread+0x12bc/0x2340 [ 143.967262][ T7] kthread+0x521/0x560 [ 143.971394][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 143.976773][ T7] ? kthread_blkcg+0x110/0x110 [ 143.981713][ T7] ret_from_fork+0x1f/0x30 [ 143.986165][ T7] [ 143.988569][ T7] Local variable ----data@usb_read8 created at: [ 143.994942][ T7] usb_read8+0x5d/0x130 [ 143.999260][ T7] usb_read8+0x5d/0x130 [ 144.003611][ T7] ===================================================== [ 144.011021][ T7] ===================================================== [ 144.018111][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 144.025570][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.035302][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.045382][ T7] Workqueue: usb_hub_wq hub_event [ 144.050450][ T7] Call Trace: [ 144.053741][ T7] dump_stack+0x24c/0x2e0 [ 144.058089][ T7] kmsan_report+0xfb/0x1e0 [ 144.062523][ T7] __msan_warning+0x5c/0xa0 [ 144.067202][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 144.072156][ T7] ? r871x_dev_unload+0x310/0x310 [ 144.077484][ T7] usb_probe_interface+0xfcc/0x1520 [ 144.082901][ T7] ? usb_register_driver+0x900/0x900 [ 144.088342][ T7] really_probe+0xe15/0x24d0 [ 144.092971][ T7] driver_probe_device+0x29d/0x3a0 [ 144.098353][ T7] __device_attach_driver+0x63f/0x830 [ 144.103737][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 144.108604][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.114387][ T7] __device_attach+0x56a/0x890 [ 144.119301][ T7] device_initial_probe+0x4a/0x60 [ 144.124951][ T7] bus_probe_device+0x17e/0x3d0 [ 144.129821][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.135644][ T7] device_add+0x2c15/0x31d0 [ 144.140298][ T7] usb_set_configuration+0x3872/0x3eb0 [ 144.146133][ T7] ? usb_set_configuration+0xae1/0x3eb0 [ 144.151955][ T7] usb_generic_driver_probe+0x138/0x300 [ 144.157655][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 144.163387][ T7] usb_probe_device+0x317/0x570 [ 144.168342][ T7] ? usb_register_device_driver+0x590/0x590 [ 144.174308][ T7] really_probe+0xe15/0x24d0 [ 144.179072][ T7] driver_probe_device+0x29d/0x3a0 [ 144.184214][ T7] __device_attach_driver+0x63f/0x830 [ 144.189614][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 144.194508][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.200263][ T7] __device_attach+0x56a/0x890 [ 144.205067][ T7] device_initial_probe+0x4a/0x60 [ 144.210281][ T7] bus_probe_device+0x17e/0x3d0 [ 144.215145][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.221163][ T7] device_add+0x2c15/0x31d0 [ 144.225858][ T7] usb_new_device+0x1bd4/0x2a30 [ 144.230889][ T7] hub_event+0x5b99/0x8870 [ 144.235448][ T7] ? kmsan_get_metadata+0x116/0x180 [ 144.241102][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.247443][ T7] ? led_work+0x780/0x780 [ 144.252207][ T7] process_one_work+0x1219/0x1fe0 [ 144.257548][ T7] worker_thread+0x12bc/0x2340 [ 144.262467][ T7] kthread+0x521/0x560 [ 144.266921][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 144.272503][ T7] ? kthread_blkcg+0x110/0x110 [ 144.277669][ T7] ret_from_fork+0x1f/0x30 [ 144.282112][ T7] [ 144.284443][ T7] Local variable ----mac@r871xu_drv_init created at: [ 144.291409][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 144.296363][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 144.301311][ T7] ===================================================== [ 144.310033][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 144.318264][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 144.331786][ T8232] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 144.341082][ T8232] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 144.351143][ T7] usb 1-1: USB disconnect, device number 3 [ 144.383654][ T8232] usb 1-1: r8712u: Firmware request failed [ 144.752070][ T7] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 144.992025][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 145.112170][ T7] usb 1-1: config 0 has an invalid interface number: 33 but max is 0 [ 145.120504][ T7] usb 1-1: config 0 has no interface number 0 [ 145.127358][ T7] usb 1-1: config 0 interface 33 altsetting 0 endpoint 0x4 has invalid maxpacket 1023, setting to 64 [ 145.138590][ T7] usb 1-1: config 0 interface 33 altsetting 0 endpoint 0x6 has invalid maxpacket 512, setting to 64 [ 145.149778][ T7] usb 1-1: New USB device found, idVendor=050d, idProduct=945a, bcdDevice=83.dd [ 145.159246][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 145.170194][ T7] usb 1-1: config 0 descriptor?? [ 145.219688][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 145.226893][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 3 endpoints [ 145.332175][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 145.338095][ C0] ===================================================== [ 145.338120][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.338142][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.338168][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.338193][ C0] Workqueue: usb_hub_wq hub_event [ 145.338223][ C0] Call Trace: [ 145.338237][ C0] dump_stack+0x24c/0x2e0 [ 145.338252][ C0] kmsan_report+0xfb/0x1e0 [ 145.338267][ C0] __msan_warning+0x5c/0xa0 [ 145.338281][ C0] string+0x573/0x6d0 [ 145.338296][ C0] vsnprintf+0x1acd/0x3600 [ 145.338311][ C0] pointer+0x1cbb/0x1ea0 [ 145.338326][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.338343][ C0] vsnprintf+0x15f2/0x3600 [ 145.338358][ C0] vprintk_store+0x2ab/0x1df0 [ 145.338374][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.338392][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 145.338409][ C0] ? __printk_safe_enter+0xe/0x30 [ 145.338425][ C0] vprintk_emit+0x28e/0x8b0 [ 145.338441][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 145.338456][ C0] dev_printk_emit+0x1ce/0x210 [ 145.338472][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.338489][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.338507][ C0] __dev_printk+0x3dc/0x458 [ 145.338521][ C0] _dev_info+0x1e5/0x22a [ 145.338535][ C0] ? usb_read8+0xe7/0x130 [ 145.338551][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.338572][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.338594][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 145.338626][ C0] ? r871x_dev_unload+0x310/0x310 [ 145.338660][ C0] usb_probe_interface+0xfcc/0x1520 [ 145.338695][ C0] ? usb_register_driver+0x900/0x900 [ 145.338729][ C0] really_probe+0xe15/0x24d0 [ 145.338762][ C0] driver_probe_device+0x29d/0x3a0 [ 145.338785][ C0] __device_attach_driver+0x63f/0x830 [ 145.338802][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.338818][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.338835][ C0] __device_attach+0x56a/0x890 [ 145.338851][ C0] device_initial_probe+0x4a/0x60 [ 145.338867][ C0] bus_probe_device+0x17e/0x3d0 [ 145.338884][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.338901][ C0] device_add+0x2c15/0x31d0 [ 145.338917][ C0] usb_set_configuration+0x3872/0x3eb0 [ 145.338933][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 145.338951][ C0] usb_generic_driver_probe+0x138/0x300 [ 145.338968][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 145.338986][ C0] usb_probe_device+0x317/0x570 [ 145.339002][ C0] ? usb_register_device_driver+0x590/0x590 [ 145.339019][ C0] really_probe+0xe15/0x24d0 [ 145.339035][ C0] driver_probe_device+0x29d/0x3a0 [ 145.339051][ C0] __device_attach_driver+0x63f/0x830 [ 145.339068][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.339083][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.339101][ C0] __device_attach+0x56a/0x890 [ 145.339117][ C0] device_initial_probe+0x4a/0x60 [ 145.339133][ C0] bus_probe_device+0x17e/0x3d0 [ 145.339149][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.339166][ C0] device_add+0x2c15/0x31d0 [ 145.339181][ C0] usb_new_device+0x1bd4/0x2a30 [ 145.339197][ C0] hub_event+0x5b99/0x8870 [ 145.339212][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.339230][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.339246][ C0] ? led_work+0x780/0x780 [ 145.339265][ C0] process_one_work+0x1219/0x1fe0 [ 145.339281][ C0] worker_thread+0x12bc/0x2340 [ 145.339296][ C0] kthread+0x521/0x560 [ 145.339311][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 145.339327][ C0] ? kthread_blkcg+0x110/0x110 [ 145.339343][ C0] ret_from_fork+0x1f/0x30 [ 145.339357][ C0] [ 145.339370][ C0] Local variable ----data@usb_read8 created at: [ 145.339389][ C0] usb_read8+0x5d/0x130 [ 145.339404][ C0] usb_read8+0x5d/0x130 [ 145.339420][ C0] ===================================================== [ 145.339441][ C0] ===================================================== [ 145.339462][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.339483][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.339509][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.339532][ C0] Workqueue: usb_hub_wq hub_event [ 145.339564][ C0] Call Trace: [ 145.339577][ C0] dump_stack+0x24c/0x2e0 [ 145.339592][ C0] kmsan_report+0xfb/0x1e0 [ 145.339607][ C0] __msan_warning+0x5c/0xa0 [ 145.339622][ C0] string+0x573/0x6d0 [ 145.339636][ C0] vsnprintf+0x1acd/0x3600 [ 145.339650][ C0] pointer+0x1cbb/0x1ea0 [ 145.339666][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.339683][ C0] vsnprintf+0x15f2/0x3600 [ 145.339698][ C0] vprintk_store+0x2ab/0x1df0 [ 145.339714][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.339732][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 145.339750][ C0] ? __printk_safe_enter+0xe/0x30 [ 145.339780][ C0] vprintk_emit+0x28e/0x8b0 [ 145.339811][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 145.339842][ C0] dev_printk_emit+0x1ce/0x210 [ 145.339874][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.339910][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.339945][ C0] __dev_printk+0x3dc/0x458 [ 145.339968][ C0] _dev_info+0x1e5/0x22a [ 145.339983][ C0] ? usb_read8+0xe7/0x130 [ 145.339998][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.340014][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.340031][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 145.340047][ C0] ? r871x_dev_unload+0x310/0x310 [ 145.340064][ C0] usb_probe_interface+0xfcc/0x1520 [ 145.340081][ C0] ? usb_register_driver+0x900/0x900 [ 145.340098][ C0] really_probe+0xe15/0x24d0 [ 145.340114][ C0] driver_probe_device+0x29d/0x3a0 [ 145.340130][ C0] __device_attach_driver+0x63f/0x830 [ 145.340147][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.340164][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.340182][ C0] __device_attach+0x56a/0x890 [ 145.340198][ C0] device_initial_probe+0x4a/0x60 [ 145.340214][ C0] bus_probe_device+0x17e/0x3d0 [ 145.340230][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.340247][ C0] device_add+0x2c15/0x31d0 [ 145.340263][ C0] usb_set_configuration+0x3872/0x3eb0 [ 145.340281][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 145.340298][ C0] usb_generic_driver_probe+0x138/0x300 [ 145.340315][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 145.340332][ C0] usb_probe_device+0x317/0x570 [ 145.340348][ C0] ? usb_register_device_driver+0x590/0x590 [ 145.340365][ C0] really_probe+0xe15/0x24d0 [ 145.340380][ C0] driver_probe_device+0x29d/0x3a0 [ 145.340396][ C0] __device_attach_driver+0x63f/0x830 [ 145.340412][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.340428][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.340445][ C0] __device_attach+0x56a/0x890 [ 145.340461][ C0] device_initial_probe+0x4a/0x60 [ 145.340476][ C0] bus_probe_device+0x17e/0x3d0 [ 145.340493][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.340510][ C0] device_add+0x2c15/0x31d0 [ 145.340525][ C0] usb_new_device+0x1bd4/0x2a30 [ 145.340540][ C0] hub_event+0x5b99/0x8870 [ 145.340560][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.340577][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.340594][ C0] ? led_work+0x780/0x780 [ 145.340609][ C0] process_one_work+0x1219/0x1fe0 [ 145.340625][ C0] worker_thread+0x12bc/0x2340 [ 145.340640][ C0] kthread+0x521/0x560 [ 145.340655][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 145.340671][ C0] ? kthread_blkcg+0x110/0x110 [ 145.340686][ C0] ret_from_fork+0x1f/0x30 [ 145.340700][ C0] [ 145.340713][ C0] Local variable ----data@usb_read8 created at: [ 145.340731][ C0] usb_read8+0x5d/0x130 [ 145.340746][ C0] usb_read8+0x5d/0x130 [ 145.340762][ C0] ===================================================== [ 145.340783][ C0] ===================================================== [ 145.340804][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.340825][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.340851][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.340875][ C0] Workqueue: usb_hub_wq hub_event [ 145.340901][ C0] Call Trace: [ 145.340914][ C0] dump_stack+0x24c/0x2e0 [ 145.340929][ C0] kmsan_report+0xfb/0x1e0 [ 145.340958][ C0] __msan_warning+0x5c/0xa0 [ 145.340986][ C0] string+0x573/0x6d0 [ 145.341014][ C0] vsnprintf+0x1acd/0x3600 [ 145.341043][ C0] pointer+0x1cbb/0x1ea0 [ 145.341074][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.341108][ C0] vsnprintf+0x15f2/0x3600 [ 145.341136][ C0] vprintk_store+0x2ab/0x1df0 [ 145.341153][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.341170][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 145.341187][ C0] ? __printk_safe_enter+0xe/0x30 [ 145.341203][ C0] vprintk_emit+0x28e/0x8b0 [ 145.341218][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 145.341233][ C0] dev_printk_emit+0x1ce/0x210 [ 145.341249][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.341266][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.341283][ C0] __dev_printk+0x3dc/0x458 [ 145.341298][ C0] _dev_info+0x1e5/0x22a [ 145.341313][ C0] ? usb_read8+0xe7/0x130 [ 145.341328][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.341345][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.341361][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 145.341377][ C0] ? r871x_dev_unload+0x310/0x310 [ 145.341393][ C0] usb_probe_interface+0xfcc/0x1520 [ 145.341410][ C0] ? usb_register_driver+0x900/0x900 [ 145.341426][ C0] really_probe+0xe15/0x24d0 [ 145.341441][ C0] driver_probe_device+0x29d/0x3a0 [ 145.341457][ C0] __device_attach_driver+0x63f/0x830 [ 145.341474][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.341489][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.341506][ C0] __device_attach+0x56a/0x890 [ 145.341522][ C0] device_initial_probe+0x4a/0x60 [ 145.341537][ C0] bus_probe_device+0x17e/0x3d0 [ 145.341558][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.341575][ C0] device_add+0x2c15/0x31d0 [ 145.341590][ C0] usb_set_configuration+0x3872/0x3eb0 [ 145.341608][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 145.341625][ C0] usb_generic_driver_probe+0x138/0x300 [ 145.341642][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 145.341659][ C0] usb_probe_device+0x317/0x570 [ 145.341675][ C0] ? usb_register_device_driver+0x590/0x590 [ 145.341692][ C0] really_probe+0xe15/0x24d0 [ 145.341709][ C0] driver_probe_device+0x29d/0x3a0 [ 145.341725][ C0] __device_attach_driver+0x63f/0x830 [ 145.341742][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.341759][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.341787][ C0] __device_attach+0x56a/0x890 [ 145.341816][ C0] device_initial_probe+0x4a/0x60 [ 145.341849][ C0] bus_probe_device+0x17e/0x3d0 [ 145.341875][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.341892][ C0] device_add+0x2c15/0x31d0 [ 145.341908][ C0] usb_new_device+0x1bd4/0x2a30 [ 145.341923][ C0] hub_event+0x5b99/0x8870 [ 145.341938][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.341955][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.341972][ C0] ? led_work+0x780/0x780 [ 145.341988][ C0] process_one_work+0x1219/0x1fe0 [ 145.342004][ C0] worker_thread+0x12bc/0x2340 [ 145.342019][ C0] kthread+0x521/0x560 [ 145.342034][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 145.342051][ C0] ? kthread_blkcg+0x110/0x110 [ 145.342066][ C0] ret_from_fork+0x1f/0x30 [ 145.342080][ C0] [ 145.342093][ C0] Local variable ----data@usb_read8 created at: [ 145.342114][ C0] usb_read8+0x5d/0x130 [ 145.342144][ C0] usb_read8+0x5d/0x130 [ 145.342176][ C0] ===================================================== [ 145.342217][ C0] ===================================================== [ 145.342257][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.342301][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.342332][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.342357][ C0] Workqueue: usb_hub_wq hub_event [ 145.342384][ C0] Call Trace: [ 145.342397][ C0] dump_stack+0x24c/0x2e0 [ 145.342411][ C0] kmsan_report+0xfb/0x1e0 [ 145.342426][ C0] __msan_warning+0x5c/0xa0 [ 145.342441][ C0] string+0x573/0x6d0 [ 145.342457][ C0] vsnprintf+0x1acd/0x3600 [ 145.342473][ C0] pointer+0x1cbb/0x1ea0 [ 145.342488][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.342505][ C0] vsnprintf+0x15f2/0x3600 [ 145.342521][ C0] vprintk_store+0x2ab/0x1df0 [ 145.342538][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.342560][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 145.342578][ C0] ? __printk_safe_enter+0xe/0x30 [ 145.342594][ C0] vprintk_emit+0x28e/0x8b0 [ 145.342610][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 145.342626][ C0] dev_printk_emit+0x1ce/0 [ 145.342651][ C0] Lost 1703 message(s)! [ 146.647065][ T7] ===================================================== [ 146.654014][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 146.662646][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.672218][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.682336][ T7] Workqueue: usb_hub_wq hub_event [ 146.687483][ T7] Call Trace: [ 146.690772][ T7] dump_stack+0x24c/0x2e0 [ 146.695152][ T7] kmsan_report+0xfb/0x1e0 [ 146.699680][ T7] __msan_warning+0x5c/0xa0 [ 146.704212][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 146.709175][ T7] ? r871x_dev_unload+0x310/0x310 [ 146.714231][ T7] usb_probe_interface+0xfcc/0x1520 [ 146.719484][ T7] ? usb_register_driver+0x900/0x900 [ 146.724787][ T7] really_probe+0xe15/0x24d0 [ 146.729399][ T7] driver_probe_device+0x29d/0x3a0 [ 146.734526][ T7] __device_attach_driver+0x63f/0x830 [ 146.739919][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 146.744875][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.750613][ T7] __device_attach+0x56a/0x890 [ 146.755395][ T7] device_initial_probe+0x4a/0x60 [ 146.760438][ T7] bus_probe_device+0x17e/0x3d0 [ 146.765311][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.771149][ T7] device_add+0x2c15/0x31d0 [ 146.775849][ T7] usb_set_configuration+0x3872/0x3eb0 [ 146.781337][ T7] ? usb_set_configuration+0xae1/0x3eb0 [ 146.786915][ T7] usb_generic_driver_probe+0x138/0x300 [ 146.792485][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 146.798228][ T7] usb_probe_device+0x317/0x570 [ 146.803102][ T7] ? usb_register_device_driver+0x590/0x590 [ 146.809066][ T7] really_probe+0xe15/0x24d0 [ 146.813681][ T7] driver_probe_device+0x29d/0x3a0 [ 146.818812][ T7] __device_attach_driver+0x63f/0x830 [ 146.824207][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 146.829203][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.834955][ T7] __device_attach+0x56a/0x890 [ 146.839782][ T7] device_initial_probe+0x4a/0x60 [ 146.844839][ T7] bus_probe_device+0x17e/0x3d0 [ 146.849738][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.855568][ T7] device_add+0x2c15/0x31d0 [ 146.860197][ T7] usb_new_device+0x1bd4/0x2a30 [ 146.865074][ T7] hub_event+0x5b99/0x8870 [ 146.869525][ T7] ? kmsan_get_metadata+0x116/0x180 [ 146.874750][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.880580][ T7] ? led_work+0x780/0x780 [ 146.884937][ T7] process_one_work+0x1219/0x1fe0 [ 146.890028][ T7] worker_thread+0x12bc/0x2340 [ 146.894813][ T7] kthread+0x521/0x560 executing program [ 146.898896][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 146.904087][ T7] ? kthread_blkcg+0x110/0x110 [ 146.908842][ T7] ret_from_fork+0x1f/0x30 [ 146.913340][ T7] [ 146.915646][ T7] Local variable ----data@usb_read8 created at: [ 146.921858][ T7] usb_read8+0x5d/0x130 [ 146.926004][ T7] usb_read8+0x5d/0x130 [ 146.930153][ T7] ===================================================== [ 146.937403][ T7] ===================================================== [ 146.944349][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 146.951669][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.961698][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.971777][ T7] Workqueue: usb_hub_wq hub_event [ 146.976847][ T7] Call Trace: [ 146.980144][ T7] dump_stack+0x24c/0x2e0 [ 146.984527][ T7] kmsan_report+0xfb/0x1e0 [ 146.988972][ T7] __msan_warning+0x5c/0xa0 [ 146.993505][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 146.998471][ T7] ? r871x_dev_unload+0x310/0x310 [ 147.003500][ T7] usb_probe_interface+0xfcc/0x1520 [ 147.008705][ T7] ? usb_register_driver+0x900/0x900 [ 147.014681][ T7] really_probe+0xe15/0x24d0 [ 147.019290][ T7] driver_probe_device+0x29d/0x3a0 [ 147.024395][ T7] __device_attach_driver+0x63f/0x830 [ 147.029777][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 147.034653][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 147.040367][ T7] __device_attach+0x56a/0x890 [ 147.045120][ T7] device_initial_probe+0x4a/0x60 [ 147.050152][ T7] bus_probe_device+0x17e/0x3d0 [ 147.055004][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.060803][ T7] device_add+0x2c15/0x31d0 [ 147.065304][ T7] usb_set_configuration+0x3872/0x3eb0 [ 147.070757][ T7] ? usb_set_configuration+0xae1/0x3eb0 [ 147.076309][ T7] usb_generic_driver_probe+0x138/0x300 [ 147.082042][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 147.087768][ T7] usb_probe_device+0x317/0x570 [ 147.092620][ T7] ? usb_register_device_driver+0x590/0x590 [ 147.098507][ T7] really_probe+0xe15/0x24d0 [ 147.103196][ T7] driver_probe_device+0x29d/0x3a0 [ 147.108321][ T7] __device_attach_driver+0x63f/0x830 [ 147.113687][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 147.118529][ T7] ? deferred_probe_work_func+0x4d0/0x4d0 [ 147.124248][ T7] __device_attach+0x56a/0x890 [ 147.129003][ T7] device_initial_probe+0x4a/0x60 [ 147.134020][ T7] bus_probe_device+0x17e/0x3d0 [ 147.138908][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.144704][ T7] device_add+0x2c15/0x31d0 [ 147.149205][ T7] usb_new_device+0x1bd4/0x2a30 [ 147.154048][ T7] hub_event+0x5b99/0x8870 [ 147.158459][ T7] ? kmsan_get_metadata+0x116/0x180 [ 147.163663][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.169468][ T7] ? led_work+0x780/0x780 [ 147.173813][ T7] process_one_work+0x1219/0x1fe0 [ 147.178837][ T7] worker_thread+0x12bc/0x2340 [ 147.183596][ T7] kthread+0x521/0x560 [ 147.187746][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 147.192965][ T7] ? kthread_blkcg+0x110/0x110 [ 147.197730][ T7] ret_from_fork+0x1f/0x30 [ 147.202138][ T7] [ 147.204451][ T7] Local variable ----mac@r871xu_drv_init created at: [ 147.211113][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 147.216058][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 147.220995][ T7] ===================================================== [ 147.228233][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 147.236086][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 147.249348][ T8232] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 147.258650][ T8232] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 147.268413][ T7] usb 1-1: USB disconnect, device number 4 [ 147.308539][ T8232] usb 1-1: r8712u: Firmware request failed [ 147.661875][ T7] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 147.911831][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 148.032105][ T7] usb 1-1: config 0 has an invalid interface number: 33 but max is 0 [ 148.040482][ T7] usb 1-1: config 0 has no interface number 0 [ 148.046958][ T7] usb 1-1: config 0 interface 33 altsetting 0 endpoint 0x4 has invalid maxpacket 1023, setting to 64 [ 148.058375][ T7] usb 1-1: config 0 interface 33 altsetting 0 endpoint 0x6 has invalid maxpacket 512, setting to 64 [ 148.069509][ T7] usb 1-1: New USB device found, idVendor=050d, idProduct=945a, bcdDevice=83.dd [ 148.078957][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 148.089972][ T7] usb 1-1: config 0 descriptor?? [ 148.136556][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 148.143492][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 3 endpoints [ 148.272343][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 148.278158][ C0] ===================================================== [ 148.278185][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.278206][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.278233][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.278258][ C0] Workqueue: usb_hub_wq hub_event [ 148.278289][ C0] Call Trace: [ 148.278302][ C0] dump_stack+0x24c/0x2e0 [ 148.278316][ C0] kmsan_report+0xfb/0x1e0 [ 148.278332][ C0] __msan_warning+0x5c/0xa0 [ 148.278347][ C0] string+0x573/0x6d0 [ 148.278361][ C0] vsnprintf+0x1acd/0x3600 [ 148.278376][ C0] pointer+0x1cbb/0x1ea0 [ 148.278392][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.278409][ C0] vsnprintf+0x15f2/0x3600 [ 148.278424][ C0] vprintk_store+0x2ab/0x1df0 [ 148.278440][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.278458][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 148.278476][ C0] ? __printk_safe_enter+0xe/0x30 [ 148.278492][ C0] vprintk_emit+0x28e/0x8b0 [ 148.278507][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 148.278523][ C0] dev_printk_emit+0x1ce/0x210 [ 148.278539][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 148.278556][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.278573][ C0] __dev_printk+0x3dc/0x458 [ 148.278588][ C0] _dev_info+0x1e5/0x22a [ 148.278602][ C0] ? usb_read8+0xe7/0x130 [ 148.278617][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 148.278634][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 148.278650][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 148.278666][ C0] ? r871x_dev_unload+0x310/0x310 [ 148.278682][ C0] usb_probe_interface+0xfcc/0x1520 [ 148.278699][ C0] ? usb_register_driver+0x900/0x900 [ 148.278715][ C0] really_probe+0xe15/0x24d0 [ 148.278730][ C0] driver_probe_device+0x29d/0x3a0 [ 148.278746][ C0] __device_attach_driver+0x63f/0x830 [ 148.278762][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 148.278778][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 148.278795][ C0] __device_attach+0x56a/0x890 [ 148.278810][ C0] device_initial_probe+0x4a/0x60 [ 148.278826][ C0] bus_probe_device+0x17e/0x3d0 [ 148.278842][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.278869][ C0] device_add+0x2c15/0x31d0 [ 148.278900][ C0] usb_set_configuration+0x3872/0x3eb0 [ 148.278934][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 148.278970][ C0] usb_generic_driver_probe+0x138/0x300 [ 148.279007][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 148.279041][ C0] usb_probe_device+0x317/0x570 [ 148.279065][ C0] ? usb_register_device_driver+0x590/0x590 [ 148.279082][ C0] really_probe+0xe15/0x24d0 [ 148.279097][ C0] driver_probe_device+0x29d/0x3a0 [ 148.279113][ C0] __device_attach_driver+0x63f/0x830 [ 148.279129][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 148.279150][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 148.279167][ C0] __device_attach+0x56a/0x890 [ 148.279182][ C0] device_initial_probe+0x4a/0x60 [ 148.279198][ C0] bus_probe_device+0x17e/0x3d0 [ 148.279214][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.279231][ C0] device_add+0x2c15/0x31d0 [ 148.279246][ C0] usb_new_device+0x1bd4/0x2a30 [ 148.279262][ C0] hub_event+0x5b99/0x8870 [ 148.279277][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.279293][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.279310][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.279327][ C0] ? led_work+0x780/0x780 [ 148.279342][ C0] process_one_work+0x1219/0x1fe0 [ 148.279357][ C0] worker_thread+0x12bc/0x2340 [ 148.279372][ C0] kthread+0x521/0x560 [ 148.279386][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 148.279402][ C0] ? kthread_blkcg+0x110/0x110 [ 148.279417][ C0] ret_from_fork+0x1f/0x30 [ 148.279431][ C0] [ 148.279444][ C0] Local variable ----data@usb_read8 created at: [ 148.279462][ C0] usb_read8+0x5d/0x130 [ 148.279477][ C0] usb_read8+0x5d/0x130 [ 148.279494][ C0] ===================================================== [ 148.279515][ C0] ===================================================== [ 148.279536][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.279557][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.279583][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.279607][ C0] Workqueue: usb_hub_wq hub_event [ 148.279634][ C0] Call Trace: [ 148.279647][ C0] dump_stack+0x24c/0x2e0 [ 148.279661][ C0] kmsan_report+0xfb/0x1e0 [ 148.279676][ C0] __msan_warning+0x5c/0xa0 [ 148.279690][ C0] string+0x573/0x6d0 [ 148.279704][ C0] vsnprintf+0x1acd/0x3600 [ 148.279719][ C0] pointer+0x1cbb/0x1ea0 [ 148.279734][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.279751][ C0] vsnprintf+0x15f2/0x3600 [ 148.279766][ C0] vprintk_store+0x2ab/0x1df0 [ 148.279782][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.279799][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 148.279817][ C0] ? __printk_safe_enter+0xe/0x30 [ 148.279832][ C0] vprintk_emit+0x28e/0x8b0 [ 148.279847][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 148.279862][ C0] dev_printk_emit+0x1ce/0x210 [ 148.279878][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 148.279896][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.279912][ C0] __dev_printk+0x3dc/0x458 [ 148.279927][ C0] _dev_info+0x1e5/0x22a [ 148.279942][ C0] ? usb_read8+0xe7/0x130 [ 148.279956][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 148.279973][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 148.279989][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 148.280006][ C0] ? r871x_dev_unload+0x310/0x310 [ 148.280023][ C0] usb_probe_interface+0xfcc/0x1520 [ 148.280056][ C0] ? usb_register_driver+0x900/0x900 [ 148.280089][ C0] really_probe+0xe15/0x24d0 [ 148.280119][ C0] driver_probe_device+0x29d/0x3a0 [ 148.280158][ C0] __device_attach_driver+0x63f/0x830 [ 148.280192][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 148.280223][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 148.280240][ C0] __device_attach+0x56a/0x890 [ 148.280256][ C0] device_initial_probe+0x4a/0x60 [ 148.280272][ C0] bus_probe_device+0x17e/0x3d0 [ 148.280288][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.280305][ C0] device_add+0x2c15/0x31d0 [ 148.280321][ C0] usb_set_configuration+0x3872/0x3eb0 [ 148.280338][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 148.280355][ C0] usb_generic_driver_probe+0x138/0x300 [ 148.280372][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 148.280389][ C0] usb_probe_device+0x317/0x570 [ 148.280406][ C0] ? usb_register_device_driver+0x590/0x590 [ 148.280423][ C0] really_probe+0xe15/0x24d0 [ 148.280438][ C0] driver_probe_device+0x29d/0x3a0 [ 148.280454][ C0] __device_attach_driver+0x63f/0x830 [ 148.280471][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 148.280487][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 148.280504][ C0] __device_attach+0x56a/0x890 [ 148.280519][ C0] device_initial_probe+0x4a/0x60 [ 148.280535][ C0] bus_probe_device+0x17e/0x3d0 [ 148.280551][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.280568][ C0] device_add+0x2c15/0x31d0 [ 148.280582][ C0] usb_new_device+0x1bd4/0x2a30 [ 148.280598][ C0] hub_event+0x5b99/0x8870 [ 148.280613][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.280630][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.280647][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.280664][ C0] ? led_work+0x780/0x780 [ 148.280679][ C0] process_one_work+0x1219/0x1fe0 [ 148.280695][ C0] worker_thread+0x12bc/0x2340 [ 148.280710][ C0] kthread+0x521/0x560 [ 148.280725][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 148.280742][ C0] ? kthread_blkcg+0x110/0x110 [ 148.280757][ C0] ret_from_fork+0x1f/0x30 [ 148.280771][ C0] [ 148.280784][ C0] Local variable ----data@usb_read8 created at: [ 148.280802][ C0] usb_read8+0x5d/0x130 [ 148.280817][ C0] usb_read8+0x5d/0x130 [ 148.280834][ C0] ===================================================== [ 148.280855][ C0] ===================================================== [ 148.280876][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.280897][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.280923][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.280947][ C0] Workqueue: usb_hub_wq hub_event [ 148.280974][ C0] Call Trace: [ 148.280987][ C0] dump_stack+0x24c/0x2e0 [ 148.281002][ C0] kmsan_report+0xfb/0x1e0 [ 148.281016][ C0] __msan_warning+0x5c/0xa0 [ 148.281031][ C0] string+0x573/0x6d0 [ 148.281045][ C0] vsnprintf+0x1acd/0x3600 [ 148.281059][ C0] pointer+0x1cbb/0x1ea0 [ 148.281075][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.281092][ C0] vsnprintf+0x15f2/0x3600 [ 148.281107][ C0] vprintk_store+0x2ab/0x1df0 [ 148.281123][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.281140][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 148.281163][ C0] ? __printk_safe_enter+0xe/0x30 [ 148.281179][ C0] vprintk_emit+0x28e/0x8b0 [ 148.281196][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 148.281226][ C0] dev_printk_emit+0x1ce/0x210 [ 148.281259][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 148.281295][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.281331][ C0] __dev_printk+0x3dc/0x458 [ 148.281362][ C0] _dev_info+0x1e5/0x22a [ 148.281386][ C0] ? usb_read8+0xe7/0x130 [ 148.281401][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 148.281417][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 148.281434][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 148.281450][ C0] ? r871x_dev_unload+0x310/0x310 [ 148.281466][ C0] usb_probe_interface+0xfcc/0x1520 [ 148.281482][ C0] ? usb_register_driver+0x900/0x900 [ 148.281498][ C0] really_probe+0xe15/0x24d0 [ 148.281513][ C0] driver_probe_device+0x29d/0x3a0 [ 148.281530][ C0] __device_attach_driver+0x63f/0x830 [ 148.281546][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 148.281562][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 148.281586][ C0] __device_attach+0x56a/0x890 [ 148.281616][ C0] device_initial_probe+0x4a/0x60 [ 148.281645][ C0] bus_probe_device+0x17e/0x3d0 [ 148.281675][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.281707][ C0] device_add+0x2c15/0x31d0 [ 148.281735][ C0] usb_set_configuration+0x3872/0x3eb0 [ 148.281767][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 148.281802][ C0] usb_generic_driver_probe+0x138/0x300 [ 148.281823][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 148.281840][ C0] usb_probe_device+0x317/0x570 [ 148.281857][ C0] ? usb_register_device_driver+0x590/0x590 [ 148.281874][ C0] really_probe+0xe15/0x24d0 [ 148.281890][ C0] driver_probe_device+0x29d/0x3a0 [ 148.281906][ C0] __device_attach_driver+0x63f/0x830 [ 148.281924][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 148.281940][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 148.281958][ C0] __device_attach+0x56a/0x890 [ 148.281973][ C0] device_initial_probe+0x4a/0x60 [ 148.281989][ C0] bus_probe_device+0x17e/0x3d0 [ 148.282005][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.282023][ C0] device_add+0x2c15/0x31d0 [ 148.282038][ C0] usb_new_device+0x1bd4/0x2a30 [ 148.282053][ C0] hub_event+0x5b99/0x8870 [ 148.282068][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.282085][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.282101][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.282118][ C0] ? led_work+0x780/0x780 [ 148.282132][ C0] process_one_work+0x1219/0x1fe0 [ 148.282153][ C0] worker_thread+0x12bc/0x2340 [ 148.282168][ C0] kthread+0x521/0x560 [ 148.282183][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 148.282198][ C0] ? kthread_blkcg+0x110/0x110