[ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [** ] A start job is running for OpenBSD …Shell server (1min 22s / 2min 42s)[* ] A start job is running for OpenBSD …Shell server (1min 23s / 2min 42s)[** ] A start job is running for OpenBSD …Shell server (1min 24s / 2min 42s)[*** ] A start job is running for OpenBSD …Shell server (1min 24s / 2min 42s)[ *** ] A start job is running for OpenBSD …Shell server (1min 25s / 2min 42s)[ *** ] A start job is running for OpenBSD …Shell server (1min 25s / 2min 42s)[ ***] A start job is running for OpenBSD …Shell server (1min 26s / 2min 42s)[ **] A start job is running for OpenBSD …Shell server (1min 27s / 2min 56s)[ 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 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 '10.128.0.244' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 136.842273][ T1977] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 137.082303][ T1977] usb 1-1: Using ep0 maxpacket: 32 [ 137.202527][ T1977] usb 1-1: New USB device found, idVendor=0bda, idProduct=8712, bcdDevice=9d.25 [ 137.211713][ T1977] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 137.234786][ T1977] usb 1-1: config 0 descriptor?? [ 137.280556][ T1977] r8712u: register rtl8712_netdev_ops to netdev_ops [ 137.287420][ T1977] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 137.422603][ T1977] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 137.427875][ C0] ===================================================== [ 137.427899][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.427920][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Not tainted 5.12.0-rc6-syzkaller #0 [ 137.427945][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.427969][ C0] Workqueue: usb_hub_wq hub_event [ 137.427998][ C0] Call Trace: [ 137.428011][ C0] dump_stack+0x24c/0x2e0 [ 137.428026][ C0] kmsan_report+0xfb/0x1e0 [ 137.428041][ C0] __msan_warning+0x5c/0xa0 [ 137.428056][ C0] string+0x573/0x6d0 [ 137.428070][ C0] vsnprintf+0x1acd/0x3600 [ 137.428085][ C0] pointer+0x1cbb/0x1ea0 [ 137.428100][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.428117][ C0] vsnprintf+0x15f2/0x3600 [ 137.428132][ C0] vprintk_store+0x2ab/0x1df0 [ 137.428148][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.428165][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 137.428184][ C0] ? __printk_safe_enter+0xe/0x30 [ 137.428199][ C0] vprintk_emit+0x28e/0x8b0 [ 137.428215][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 137.428230][ C0] dev_printk_emit+0x1ce/0x210 [ 137.428247][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.428264][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.428280][ C0] __dev_printk+0x3dc/0x458 [ 137.428295][ C0] _dev_info+0x1e5/0x22a [ 137.428310][ C0] ? usb_read8+0xe7/0x130 [ 137.428325][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.428341][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.428357][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 137.428373][ C0] ? r871x_dev_unload+0x310/0x310 [ 137.428389][ C0] usb_probe_interface+0xfcc/0x1520 [ 137.428405][ C0] ? usb_register_driver+0x900/0x900 [ 137.428422][ C0] really_probe+0xe15/0x24d0 [ 137.428437][ C0] driver_probe_device+0x29d/0x3a0 [ 137.428453][ C0] __device_attach_driver+0x63f/0x830 [ 137.428470][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.428486][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 137.428502][ C0] __device_attach+0x56a/0x890 [ 137.428518][ C0] device_initial_probe+0x4a/0x60 [ 137.428534][ C0] bus_probe_device+0x17e/0x3d0 [ 137.428550][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.428567][ C0] device_add+0x2c15/0x31d0 [ 137.428582][ C0] usb_set_configuration+0x3872/0x3eb0 [ 137.428599][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 137.428621][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 137.428638][ C0] usb_generic_driver_probe+0x138/0x300 [ 137.428655][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 137.428672][ C0] usb_probe_device+0x317/0x570 [ 137.428688][ C0] ? usb_register_device_driver+0x590/0x590 [ 137.428705][ C0] really_probe+0xe15/0x24d0 [ 137.428720][ C0] driver_probe_device+0x29d/0x3a0 [ 137.428736][ C0] __device_attach_driver+0x63f/0x830 [ 137.428753][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.428769][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 137.428786][ C0] __device_attach+0x56a/0x890 [ 137.428801][ C0] device_initial_probe+0x4a/0x60 [ 137.428816][ C0] bus_probe_device+0x17e/0x3d0 [ 137.428832][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.428851][ C0] device_add+0x2c15/0x31d0 [ 137.428866][ C0] usb_new_device+0x1bd4/0x2a30 [ 137.428882][ C0] hub_event+0x5b99/0x8870 [ 137.428897][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.428913][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.428930][ C0] ? led_work+0x780/0x780 [ 137.428944][ C0] process_one_work+0x1219/0x1fe0 [ 137.428960][ C0] worker_thread+0x10ec/0x2340 [ 137.428975][ C0] kthread+0x521/0x560 [ 137.428990][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 137.429006][ C0] ? kthread_blkcg+0x110/0x110 [ 137.429021][ C0] ret_from_fork+0x1f/0x30 [ 137.429034][ C0] [ 137.429047][ C0] Local variable ----data@usb_read8 created at: [ 137.429065][ C0] usb_read8+0x5d/0x130 [ 137.429080][ C0] usb_read8+0x5d/0x130 [ 137.429097][ C0] ===================================================== [ 137.429117][ C0] Disabling lock debugging due to kernel taint [ 137.429136][ C0] ===================================================== [ 137.429156][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.429177][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 137.429203][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.429227][ C0] Workqueue: usb_hub_wq hub_event [ 137.429254][ C0] Call Trace: [ 137.429266][ C0] dump_stack+0x24c/0x2e0 [ 137.429281][ C0] kmsan_report+0xfb/0x1e0 [ 137.429296][ C0] __msan_warning+0x5c/0xa0 [ 137.429310][ C0] string+0x573/0x6d0 [ 137.429324][ C0] vsnprintf+0x1acd/0x3600 [ 137.429338][ C0] pointer+0x1cbb/0x1ea0 [ 137.429353][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.429370][ C0] vsnprintf+0x15f2/0x3600 [ 137.429385][ C0] vprintk_store+0x2ab/0x1df0 [ 137.429401][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.429418][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 137.429436][ C0] ? __printk_safe_enter+0xe/0x30 [ 137.429451][ C0] vprintk_emit+0x28e/0x8b0 [ 137.429466][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 137.429482][ C0] dev_printk_emit+0x1ce/0x210 [ 137.429498][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.429515][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.429532][ C0] __dev_printk+0x3dc/0x458 [ 137.429547][ C0] _dev_info+0x1e5/0x22a [ 137.429561][ C0] ? usb_read8+0xe7/0x130 [ 137.429576][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.429592][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.429613][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 137.429629][ C0] ? r871x_dev_unload+0x310/0x310 [ 137.429645][ C0] usb_probe_interface+0xfcc/0x1520 [ 137.429662][ C0] ? usb_register_driver+0x900/0x900 [ 137.429678][ C0] really_probe+0xe15/0x24d0 [ 137.429693][ C0] driver_probe_device+0x29d/0x3a0 [ 137.429709][ C0] __device_attach_driver+0x63f/0x830 [ 137.429725][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.429741][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 137.429758][ C0] __device_attach+0x56a/0x890 [ 137.429773][ C0] device_initial_probe+0x4a/0x60 [ 137.429789][ C0] bus_probe_device+0x17e/0x3d0 [ 137.429805][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.429822][ C0] device_add+0x2c15/0x31d0 [ 137.429837][ C0] usb_set_configuration+0x3872/0x3eb0 [ 137.429854][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 137.429871][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 137.429889][ C0] usb_generic_driver_probe+0x138/0x300 [ 137.429905][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 137.429922][ C0] usb_probe_device+0x317/0x570 [ 137.429938][ C0] ? usb_register_device_driver+0x590/0x590 [ 137.429955][ C0] really_probe+0xe15/0x24d0 [ 137.429970][ C0] driver_probe_device+0x29d/0x3a0 [ 137.429986][ C0] __device_attach_driver+0x63f/0x830 [ 137.430003][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.430018][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 137.430035][ C0] __device_attach+0x56a/0x890 [ 137.430050][ C0] device_initial_probe+0x4a/0x60 [ 137.430066][ C0] bus_probe_device+0x17e/0x3d0 [ 137.430082][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.430098][ C0] device_add+0x2c15/0x31d0 [ 137.430114][ C0] usb_new_device+0x1bd4/0x2a30 [ 137.430129][ C0] hub_event+0x5b99/0x8870 [ 137.430143][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.430160][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.430177][ C0] ? led_work+0x780/0x780 [ 137.430191][ C0] process_one_work+0x1219/0x1fe0 [ 137.430207][ C0] worker_thread+0x10ec/0x2340 [ 137.430222][ C0] kthread+0x521/0x560 [ 137.430236][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 137.430252][ C0] ? kthread_blkcg+0x110/0x110 [ 137.430267][ C0] ret_from_fork+0x1f/0x30 [ 137.430280][ C0] [ 137.430293][ C0] Local variable ----data@usb_read8 created at: [ 137.430311][ C0] usb_read8+0x5d/0x130 [ 137.430326][ C0] usb_read8+0x5d/0x130 [ 137.430342][ C0] ===================================================== [ 137.430363][ C0] ===================================================== [ 137.430383][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.430404][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 137.430430][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.430454][ C0] Workqueue: usb_hub_wq hub_event [ 137.430480][ C0] Call Trace: [ 137.430493][ C0] dump_stack+0x24c/0x2e0 [ 137.430507][ C0] kmsan_report+0xfb/0x1e0 [ 137.430522][ C0] __msan_warning+0x5c/0xa0 [ 137.430536][ C0] string+0x573/0x6d0 [ 137.430550][ C0] vsnprintf+0x1acd/0x3600 [ 137.430564][ C0] pointer+0x1cbb/0x1ea0 [ 137.430579][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.430595][ C0] vsnprintf+0x15f2/0x3600 [ 137.430613][ C0] vprintk_store+0x2ab/0x1df0 [ 137.430635][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.430653][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 137.430670][ C0] ? __printk_safe_enter+0xe/0x30 [ 137.430686][ C0] vprintk_emit+0x28e/0x8b0 [ 137.430701][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 137.430716][ C0] dev_printk_emit+0x1ce/0x210 [ 137.430733][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.430750][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.430766][ C0] __dev_printk+0x3dc/0x458 [ 137.430781][ C0] _dev_info+0x1e5/0x22a [ 137.430795][ C0] ? usb_read8+0xe7/0x130 [ 137.430810][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.430826][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.430843][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 137.430858][ C0] ? r871x_dev_unload+0x310/0x310 [ 137.430874][ C0] usb_probe_interface+0xfcc/0x1520 [ 137.430891][ C0] ? usb_register_driver+0x900/0x900 [ 137.430907][ C0] really_probe+0xe15/0x24d0 [ 137.430922][ C0] driver_probe_device+0x29d/0x3a0 [ 137.430938][ C0] __device_attach_driver+0x63f/0x830 [ 137.430955][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.430970][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 137.430988][ C0] __device_attach+0x56a/0x890 [ 137.431003][ C0] device_initial_probe+0x4a/0x60 [ 137.431019][ C0] bus_probe_device+0x17e/0x3d0 [ 137.431034][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.431051][ C0] device_add+0x2c15/0x31d0 [ 137.431067][ C0] usb_set_configuration+0x3872/0x3eb0 [ 137.431083][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 137.431101][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 137.431118][ C0] usb_generic_driver_probe+0x138/0x300 [ 137.431135][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 137.431153][ C0] usb_probe_device+0x317/0x570 [ 137.431169][ C0] ? usb_register_device_driver+0x590/0x590 [ 137.431186][ C0] really_probe+0xe15/0x24d0 [ 137.431201][ C0] driver_probe_device+0x29d/0x3a0 [ 137.431217][ C0] __device_attach_driver+0x63f/0x830 [ 137.431234][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.431250][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 137.431266][ C0] __device_attach+0x56a/0x890 [ 137.431281][ C0] device_initial_probe+0x4a/0x60 [ 137.431297][ C0] bus_probe_device+0x17e/0x3d0 [ 137.431313][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.431330][ C0] device_add+0x2c15/0x31d0 [ 137.431344][ C0] usb_new_device+0x1bd4/0x2a30 [ 137.431359][ C0] hub_event+0x5b99/0x8870 [ 137.431374][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.431391][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.431407][ C0] ? led_work+0x780/0x780 [ 137.431422][ C0] process_one_work+0x1219/0x1fe0 [ 137.431437][ C0] worker_thread+0x10ec/0x2340 [ 137.431452][ C0] kthread+0x521/0x560 [ 137.431467][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 137.431483][ C0] ? kthread_blkcg+0x110/0x110 [ 137.431498][ C0] ret_from_fork+0x1f/0x30 [ 137.431511][ C0] [ 137.431524][ C0] Local variable ----data@usb_read8 created at: [ 137.431542][ C0] usb_read8+0x5d/0x130 [ 137.431557][ C0] usb_read8+0x5d/0x130 [ 137.431573][ C0] ===================================================== [ 137.431593][ C0] ===================================================== [ 137.431617][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.431638][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 137.431664][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.431687][ C0] Workqueue: usb_hub_wq hub_event [ 137.431714][ C0] Call Trace: [ 137.431726][ C0] dump_stack+0x24c/0x2e0 [ 137.431741][ C0] kmsan_report+0xfb/0x1e0 [ 137.431756][ C0] __msan_warning+0x5c/0xa0 [ 137.431770][ C0] string+0x573/0x6d0 [ 137.431784][ C0] vsnprintf+0x1acd/0x3600 [ 137.431798][ C0] pointer+0x1cbb/0x1ea0 [ 137.431813][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.431830][ C0] vsnprintf+0x15f2/0x3600 [ 137.431845][ C0] vprintk_store+0x2ab/0x1df0 [ 137.431859][ C0] ? kmsan_internal_ [ 137.431883][ C0] Lost 1731 message(s)! [ 138.727301][ T1977] ===================================================== [ 138.734360][ T1977] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 138.741762][ T1977] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 138.751905][ T1977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.762369][ T1977] Workqueue: usb_hub_wq hub_event [ 138.767431][ T1977] Call Trace: [ 138.770721][ T1977] dump_stack+0x24c/0x2e0 [ 138.775085][ T1977] kmsan_report+0xfb/0x1e0 [ 138.779524][ T1977] __msan_warning+0x5c/0xa0 [ 138.784045][ T1977] r871xu_drv_init+0x1a86/0x2fe0 [ 138.789012][ T1977] ? r871x_dev_unload+0x310/0x310 [ 138.794087][ T1977] usb_probe_interface+0xfcc/0x1520 [ 138.799875][ T1977] ? usb_register_driver+0x900/0x900 [ 138.805209][ T1977] really_probe+0xe15/0x24d0 [ 138.809931][ T1977] driver_probe_device+0x29d/0x3a0 [ 138.815069][ T1977] __device_attach_driver+0x63f/0x830 [ 138.820473][ T1977] bus_for_each_drv+0x2c8/0x3f0 [ 138.825352][ T1977] ? deferred_probe_work_func+0x4d0/0x4d0 [ 138.831188][ T1977] __device_attach+0x56a/0x890 [ 138.835980][ T1977] device_initial_probe+0x4a/0x60 [ 138.841129][ T1977] bus_probe_device+0x17e/0x3d0 [ 138.846009][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.851837][ T1977] device_add+0x2c15/0x31d0 [ 138.856372][ T1977] usb_set_configuration+0x3872/0x3eb0 [ 138.861860][ T1977] ? usb_set_configuration+0xae1/0x3eb0 [ 138.867522][ T1977] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 138.873616][ T1977] usb_generic_driver_probe+0x138/0x300 [ 138.879191][ T1977] ? usb_choose_configuration+0xee0/0xee0 [ 138.884936][ T1977] usb_probe_device+0x317/0x570 [ 138.889862][ T1977] ? usb_register_device_driver+0x590/0x590 [ 138.895955][ T1977] really_probe+0xe15/0x24d0 [ 138.900573][ T1977] driver_probe_device+0x29d/0x3a0 [ 138.905709][ T1977] __device_attach_driver+0x63f/0x830 [ 138.911117][ T1977] bus_for_each_drv+0x2c8/0x3f0 [ 138.915995][ T1977] ? deferred_probe_work_func+0x4d0/0x4d0 [ 138.921738][ T1977] __device_attach+0x56a/0x890 [ 138.926526][ T1977] device_initial_probe+0x4a/0x60 [ 138.931568][ T1977] bus_probe_device+0x17e/0x3d0 [ 138.936445][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.942274][ T1977] device_add+0x2c15/0x31d0 [ 138.946805][ T1977] usb_new_device+0x1bd4/0x2a30 [ 138.951682][ T1977] hub_event+0x5b99/0x8870 [ 138.956581][ T1977] ? kmsan_get_metadata+0x116/0x180 [ 138.961800][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.967632][ T1977] ? led_work+0x780/0x780 [ 138.971983][ T1977] process_one_work+0x1219/0x1fe0 [ 138.977048][ T1977] worker_thread+0x10ec/0x2340 [ 138.981846][ T1977] kthread+0x521/0x560 [ 138.985940][ T1977] ? process_one_work+0x1fe0/0x1fe0 [ 138.991174][ T1977] ? kthread_blkcg+0x110/0x110 [ 138.995953][ T1977] ret_from_fork+0x1f/0x30 [ 139.000376][ T1977] [ 139.002686][ T1977] Local variable ----data@usb_read8 created at: [ 139.008928][ T1977] usb_read8+0x5d/0x130 [ 139.013081][ T1977] usb_read8+0x5d/0x130 [ 139.017237][ T1977] ===================================================== [ 139.024479][ T1977] ===================================================== [ 139.031427][ T1977] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 executing program [ 139.038785][ T1977] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 139.048611][ T1977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.058687][ T1977] Workqueue: usb_hub_wq hub_event [ 139.063745][ T1977] Call Trace: [ 139.067039][ T1977] dump_stack+0x24c/0x2e0 [ 139.071402][ T1977] kmsan_report+0xfb/0x1e0 [ 139.075872][ T1977] __msan_warning+0x5c/0xa0 [ 139.080407][ T1977] r871xu_drv_init+0x2a38/0x2fe0 [ 139.085472][ T1977] ? r871x_dev_unload+0x310/0x310 [ 139.090621][ T1977] usb_probe_interface+0xfcc/0x1520 [ 139.095981][ T1977] ? usb_register_driver+0x900/0x900 [ 139.101306][ T1977] really_probe+0xe15/0x24d0 [ 139.105939][ T1977] driver_probe_device+0x29d/0x3a0 [ 139.111080][ T1977] __device_attach_driver+0x63f/0x830 [ 139.116512][ T1977] bus_for_each_drv+0x2c8/0x3f0 [ 139.121500][ T1977] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.127253][ T1977] __device_attach+0x56a/0x890 [ 139.132933][ T1977] device_initial_probe+0x4a/0x60 [ 139.137977][ T1977] bus_probe_device+0x17e/0x3d0 [ 139.142948][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.148785][ T1977] device_add+0x2c15/0x31d0 [ 139.153332][ T1977] usb_set_configuration+0x3872/0x3eb0 [ 139.158831][ T1977] ? usb_set_configuration+0xae1/0x3eb0 [ 139.164499][ T1977] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 139.170602][ T1977] usb_generic_driver_probe+0x138/0x300 [ 139.176944][ T1977] ? usb_choose_configuration+0xee0/0xee0 [ 139.182725][ T1977] usb_probe_device+0x317/0x570 [ 139.187753][ T1977] ? usb_register_device_driver+0x590/0x590 [ 139.193688][ T1977] really_probe+0xe15/0x24d0 [ 139.198312][ T1977] driver_probe_device+0x29d/0x3a0 [ 139.203461][ T1977] __device_attach_driver+0x63f/0x830 [ 139.208869][ T1977] bus_for_each_drv+0x2c8/0x3f0 [ 139.214191][ T1977] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.219942][ T1977] __device_attach+0x56a/0x890 [ 139.224738][ T1977] device_initial_probe+0x4a/0x60 [ 139.229789][ T1977] bus_probe_device+0x17e/0x3d0 [ 139.234677][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.240516][ T1977] device_add+0x2c15/0x31d0 [ 139.245083][ T1977] usb_new_device+0x1bd4/0x2a30 [ 139.249963][ T1977] hub_event+0x5b99/0x8870 [ 139.254419][ T1977] ? kmsan_get_metadata+0x116/0x180 [ 139.259837][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.265681][ T1977] ? led_work+0x780/0x780 [ 139.270052][ T1977] process_one_work+0x1219/0x1fe0 [ 139.275383][ T1977] worker_thread+0x10ec/0x2340 [ 139.280278][ T1977] kthread+0x521/0x560 [ 139.284381][ T1977] ? process_one_work+0x1fe0/0x1fe0 [ 139.289616][ T1977] ? kthread_blkcg+0x110/0x110 [ 139.294412][ T1977] ret_from_fork+0x1f/0x30 [ 139.298865][ T1977] [ 139.301193][ T1977] Local variable ----mac@r871xu_drv_init created at: [ 139.307863][ T1977] r871xu_drv_init+0x189d/0x2fe0 [ 139.312818][ T1977] r871xu_drv_init+0x189d/0x2fe0 [ 139.317746][ T1977] ===================================================== [ 139.324987][ T1977] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 139.332880][ T1977] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 139.345803][ T1977] usb 1-1: USB disconnect, device number 2 [ 139.358773][ T7] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 139.372937][ T7] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 139.407966][ T7] usb 1-1: r8712u: Firmware request failed [ 139.772323][ T1977] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 140.012285][ T1977] usb 1-1: Using ep0 maxpacket: 32 [ 140.132507][ T1977] usb 1-1: New USB device found, idVendor=0bda, idProduct=8712, bcdDevice=9d.25 [ 140.142340][ T1977] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 140.153300][ T1977] usb 1-1: config 0 descriptor?? [ 140.199823][ T1977] r8712u: register rtl8712_netdev_ops to netdev_ops [ 140.207143][ T1977] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 140.312532][ T1977] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 140.318770][ C0] ===================================================== [ 140.318795][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.318817][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.318844][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.318868][ C0] Workqueue: usb_hub_wq hub_event [ 140.318897][ C0] Call Trace: [ 140.318910][ C0] dump_stack+0x24c/0x2e0 [ 140.318925][ C0] kmsan_report+0xfb/0x1e0 [ 140.318940][ C0] __msan_warning+0x5c/0xa0 [ 140.318955][ C0] string+0x573/0x6d0 [ 140.318969][ C0] vsnprintf+0x1acd/0x3600 [ 140.318983][ C0] pointer+0x1cbb/0x1ea0 [ 140.319004][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.319021][ C0] vsnprintf+0x15f2/0x3600 [ 140.319035][ C0] vprintk_store+0x2ab/0x1df0 [ 140.319051][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.319072][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 140.319089][ C0] ? __printk_safe_enter+0xe/0x30 [ 140.319105][ C0] vprintk_emit+0x28e/0x8b0 [ 140.319121][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 140.319136][ C0] dev_printk_emit+0x1ce/0x210 [ 140.319152][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.319170][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.319187][ C0] __dev_printk+0x3dc/0x458 [ 140.319202][ C0] _dev_info+0x1e5/0x22a [ 140.319216][ C0] ? usb_read8+0xe7/0x130 [ 140.319230][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.319247][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.319264][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 140.319280][ C0] ? r871x_dev_unload+0x310/0x310 [ 140.319297][ C0] usb_probe_interface+0xfcc/0x1520 [ 140.319313][ C0] ? usb_register_driver+0x900/0x900 [ 140.319330][ C0] really_probe+0xe15/0x24d0 [ 140.319345][ C0] driver_probe_device+0x29d/0x3a0 [ 140.319361][ C0] __device_attach_driver+0x63f/0x830 [ 140.319382][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.319444][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.319461][ C0] __device_attach+0x56a/0x890 [ 140.319476][ C0] device_initial_probe+0x4a/0x60 [ 140.319492][ C0] bus_probe_device+0x17e/0x3d0 [ 140.319509][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.319526][ C0] device_add+0x2c15/0x31d0 [ 140.319542][ C0] usb_set_configuration+0x3872/0x3eb0 [ 140.319558][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 140.319576][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 140.319594][ C0] usb_generic_driver_probe+0x138/0x300 [ 140.319611][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 140.319628][ C0] usb_probe_device+0x317/0x570 [ 140.319645][ C0] ? usb_register_device_driver+0x590/0x590 [ 140.319662][ C0] really_probe+0xe15/0x24d0 [ 140.319677][ C0] driver_probe_device+0x29d/0x3a0 [ 140.319694][ C0] __device_attach_driver+0x63f/0x830 [ 140.319712][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.319786][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.319819][ C0] __device_attach+0x56a/0x890 [ 140.319850][ C0] device_initial_probe+0x4a/0x60 [ 140.319881][ C0] bus_probe_device+0x17e/0x3d0 [ 140.319912][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.319945][ C0] device_add+0x2c15/0x31d0 [ 140.319976][ C0] usb_new_device+0x1bd4/0x2a30 [ 140.320006][ C0] hub_event+0x5b99/0x8870 [ 140.320033][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.320054][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.320072][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.320089][ C0] ? led_work+0x780/0x780 [ 140.320104][ C0] process_one_work+0x1219/0x1fe0 [ 140.320120][ C0] worker_thread+0x12bc/0x2340 [ 140.320135][ C0] kthread+0x521/0x560 [ 140.320150][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 140.320167][ C0] ? kthread_blkcg+0x110/0x110 [ 140.320197][ C0] ret_from_fork+0x1f/0x30 [ 140.320210][ C0] [ 140.320224][ C0] Local variable ----data@usb_read8 created at: [ 140.320243][ C0] usb_read8+0x5d/0x130 [ 140.320258][ C0] usb_read8+0x5d/0x130 [ 140.320279][ C0] ===================================================== [ 140.320303][ C0] ===================================================== [ 140.320341][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.320367][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.320396][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.320424][ C0] Workqueue: usb_hub_wq hub_event [ 140.320461][ C0] Call Trace: [ 140.320475][ C0] dump_stack+0x24c/0x2e0 [ 140.320490][ C0] kmsan_report+0xfb/0x1e0 [ 140.320505][ C0] __msan_warning+0x5c/0xa0 [ 140.320564][ C0] string+0x573/0x6d0 [ 140.320581][ C0] vsnprintf+0x1acd/0x3600 [ 140.320596][ C0] pointer+0x1cbb/0x1ea0 [ 140.320612][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.320629][ C0] vsnprintf+0x15f2/0x3600 [ 140.320647][ C0] vprintk_store+0x2ab/0x1df0 [ 140.320664][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.320682][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 140.320704][ C0] ? __printk_safe_enter+0xe/0x30 [ 140.320720][ C0] vprintk_emit+0x28e/0x8b0 [ 140.320735][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 140.320752][ C0] dev_printk_emit+0x1ce/0x210 [ 140.320768][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.320785][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.320802][ C0] __dev_printk+0x3dc/0x458 [ 140.320817][ C0] _dev_info+0x1e5/0x22a [ 140.320836][ C0] ? usb_read8+0xe7/0x130 [ 140.320859][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.320876][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.320893][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 140.320909][ C0] ? r871x_dev_unload+0x310/0x310 [ 140.320925][ C0] usb_probe_interface+0xfcc/0x1520 [ 140.320942][ C0] ? usb_register_driver+0x900/0x900 [ 140.320958][ C0] really_probe+0xe15/0x24d0 [ 140.320986][ C0] driver_probe_device+0x29d/0x3a0 [ 140.321019][ C0] __device_attach_driver+0x63f/0x830 [ 140.321052][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.321087][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.321123][ C0] __device_attach+0x56a/0x890 [ 140.321156][ C0] device_initial_probe+0x4a/0x60 [ 140.321179][ C0] bus_probe_device+0x17e/0x3d0 [ 140.321198][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.321216][ C0] device_add+0x2c15/0x31d0 [ 140.321232][ C0] usb_set_configuration+0x3872/0x3eb0 [ 140.321249][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 140.321267][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 140.321285][ C0] usb_generic_driver_probe+0x138/0x300 [ 140.321303][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 140.321320][ C0] usb_probe_device+0x317/0x570 [ 140.321336][ C0] ? usb_register_device_driver+0x590/0x590 [ 140.321353][ C0] really_probe+0xe15/0x24d0 [ 140.321369][ C0] driver_probe_device+0x29d/0x3a0 [ 140.321386][ C0] __device_attach_driver+0x63f/0x830 [ 140.321403][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.321419][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.321435][ C0] __device_attach+0x56a/0x890 [ 140.321451][ C0] device_initial_probe+0x4a/0x60 [ 140.321467][ C0] bus_probe_device+0x17e/0x3d0 [ 140.321484][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.321501][ C0] device_add+0x2c15/0x31d0 [ 140.321521][ C0] usb_new_device+0x1bd4/0x2a30 [ 140.321537][ C0] hub_event+0x5b99/0x8870 [ 140.321552][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.321569][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.321585][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.321601][ C0] ? led_work+0x780/0x780 [ 140.321617][ C0] process_one_work+0x1219/0x1fe0 [ 140.321639][ C0] worker_thread+0x12bc/0x2340 [ 140.321654][ C0] kthread+0x521/0x560 [ 140.321668][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 140.321685][ C0] ? kthread_blkcg+0x110/0x110 [ 140.321700][ C0] ret_from_fork+0x1f/0x30 [ 140.321714][ C0] [ 140.321727][ C0] Local variable ----data@usb_read8 created at: [ 140.321745][ C0] usb_read8+0x5d/0x130 [ 140.321764][ C0] usb_read8+0x5d/0x130 [ 140.321781][ C0] ===================================================== [ 140.321802][ C0] ===================================================== [ 140.321823][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.321845][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.321882][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.321907][ C0] Workqueue: usb_hub_wq hub_event [ 140.321935][ C0] Call Trace: [ 140.321948][ C0] dump_stack+0x24c/0x2e0 [ 140.321963][ C0] kmsan_report+0xfb/0x1e0 [ 140.321979][ C0] __msan_warning+0x5c/0xa0 [ 140.321994][ C0] string+0x573/0x6d0 [ 140.322009][ C0] vsnprintf+0x1acd/0x3600 [ 140.322024][ C0] pointer+0x1cbb/0x1ea0 [ 140.322039][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.322064][ C0] vsnprintf+0x15f2/0x3600 [ 140.322093][ C0] vprintk_store+0x2ab/0x1df0 [ 140.322123][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.322160][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 140.322197][ C0] ? __printk_safe_enter+0xe/0x30 [ 140.322228][ C0] vprintk_emit+0x28e/0x8b0 [ 140.322257][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 140.322287][ C0] dev_printk_emit+0x1ce/0x210 [ 140.322320][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.322361][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.322398][ C0] __dev_printk+0x3dc/0x458 [ 140.322429][ C0] _dev_info+0x1e5/0x22a [ 140.322446][ C0] ? usb_read8+0xe7/0x130 [ 140.322461][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.322478][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.322495][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 140.322512][ C0] ? r871x_dev_unload+0x310/0x310 [ 140.322534][ C0] usb_probe_interface+0xfcc/0x1520 [ 140.322551][ C0] ? usb_register_driver+0x900/0x900 [ 140.322568][ C0] really_probe+0xe15/0x24d0 [ 140.322584][ C0] driver_probe_device+0x29d/0x3a0 [ 140.322601][ C0] __device_attach_driver+0x63f/0x830 [ 140.322618][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.322635][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.322653][ C0] __device_attach+0x56a/0x890 [ 140.322669][ C0] device_initial_probe+0x4a/0x60 [ 140.322685][ C0] bus_probe_device+0x17e/0x3d0 [ 140.322702][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.322720][ C0] device_add+0x2c15/0x31d0 [ 140.322736][ C0] usb_set_configuration+0x3872/0x3eb0 [ 140.322753][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 140.322770][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 140.322788][ C0] usb_generic_driver_probe+0x138/0x300 [ 140.322805][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 140.322822][ C0] usb_probe_device+0x317/0x570 [ 140.322838][ C0] ? usb_register_device_driver+0x590/0x590 [ 140.322855][ C0] really_probe+0xe15/0x24d0 [ 140.322870][ C0] driver_probe_device+0x29d/0x3a0 [ 140.322887][ C0] __device_attach_driver+0x63f/0x830 [ 140.322903][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.322920][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.322937][ C0] __device_attach+0x56a/0x890 [ 140.322952][ C0] device_initial_probe+0x4a/0x60 [ 140.322969][ C0] bus_probe_device+0x17e/0x3d0 [ 140.322985][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.323002][ C0] device_add+0x2c15/0x31d0 [ 140.323017][ C0] usb_new_device+0x1bd4/0x2a30 [ 140.323032][ C0] hub_event+0x5b99/0x8870 [ 140.323047][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.323063][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.323080][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.323097][ C0] ? led_work+0x780/0x780 [ 140.323111][ C0] process_one_work+0x1219/0x1fe0 [ 140.323128][ C0] worker_thread+0x12bc/0x2340 [ 140.323143][ C0] kthread+0x521/0x560 [ 140.323157][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 140.323173][ C0] ? kthread_blkcg+0x110/0x110 [ 140.323189][ C0] ret_from_fork+0x1f/0x30 [ 140.323202][ C0] [ 140.323215][ C0] Local variable ----data@usb_read8 created at: [ 140.323234][ C0] usb_read8+0x5d/0x130 [ 140.323249][ C0] usb_read8+0x5d/0x130 [ 140.323265][ C0] ===================================================== [ 140.323286][ C0] ===================================================== [ 140.323307][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.323327][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.323353][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.323377][ C0] Workqueue: usb_hub_wq hub_event [ 140.323405][ C0] Call Trace: [ 140.323429][ C0] dump_stack+0x24c/0x2e0 [ 140.323460][ C0] kmsan_report+0xfb/0x1e0 [ 140.323491][ C0] __msan_warning+0x5c/0xa0 [ 140.323527][ C0] string+0x573/0x6d0 [ 140.323557][ C0] vsnprintf+0x1acd/0x3600 [ 140.323586][ C0] pointer+0x1cbb/0x1ea0 [ 140.323612][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.323628][ C0] Lost 1757 message(s)! [ 141.635869][ T1977] ===================================================== [ 141.642809][ T1977] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 141.650214][ T1977] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.660145][ T1977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.670220][ T1977] Workqueue: usb_hub_wq hub_event [ 141.675297][ T1977] Call Trace: [ 141.678597][ T1977] dump_stack+0x24c/0x2e0 [ 141.682964][ T1977] kmsan_report+0xfb/0x1e0 [ 141.687404][ T1977] __msan_warning+0x5c/0xa0 [ 141.691925][ T1977] r871xu_drv_init+0x1a86/0x2fe0 [ 141.696894][ T1977] ? r871x_dev_unload+0x310/0x310 [ 141.702052][ T1977] usb_probe_interface+0xfcc/0x1520 [ 141.707279][ T1977] ? usb_register_driver+0x900/0x900 [ 141.712610][ T1977] really_probe+0xe15/0x24d0 [ 141.717224][ T1977] driver_probe_device+0x29d/0x3a0 [ 141.723258][ T1977] __device_attach_driver+0x63f/0x830 [ 141.728661][ T1977] bus_for_each_drv+0x2c8/0x3f0 [ 141.733545][ T1977] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.739294][ T1977] __device_attach+0x56a/0x890 [ 141.744085][ T1977] device_initial_probe+0x4a/0x60 [ 141.749513][ T1977] bus_probe_device+0x17e/0x3d0 [ 141.754497][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.760420][ T1977] device_add+0x2c15/0x31d0 [ 141.764960][ T1977] usb_set_configuration+0x3872/0x3eb0 [ 141.771320][ T1977] ? usb_set_configuration+0xae1/0x3eb0 [ 141.776987][ T1977] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 141.783090][ T1977] usb_generic_driver_probe+0x138/0x300 [ 141.788665][ T1977] ? usb_choose_configuration+0xee0/0xee0 [ 141.794409][ T1977] usb_probe_device+0x317/0x570 [ 141.799377][ T1977] ? usb_register_device_driver+0x590/0x590 [ 141.805436][ T1977] really_probe+0xe15/0x24d0 [ 141.810052][ T1977] driver_probe_device+0x29d/0x3a0 [ 141.815187][ T1977] __device_attach_driver+0x63f/0x830 [ 141.820586][ T1977] bus_for_each_drv+0x2c8/0x3f0 executing program [ 141.825468][ T1977] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.831394][ T1977] __device_attach+0x56a/0x890 [ 141.836632][ T1977] device_initial_probe+0x4a/0x60 [ 141.842227][ T1977] bus_probe_device+0x17e/0x3d0 [ 141.847135][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.853063][ T1977] device_add+0x2c15/0x31d0 [ 141.857731][ T1977] usb_new_device+0x1bd4/0x2a30 [ 141.862698][ T1977] hub_event+0x5b99/0x8870 [ 141.867281][ T1977] ? kmsan_get_metadata+0x116/0x180 [ 141.872517][ T1977] ? kmsan_get_metadata+0x116/0x180 [ 141.877813][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.883645][ T1977] ? led_work+0x780/0x780 [ 141.888076][ T1977] process_one_work+0x1219/0x1fe0 [ 141.893224][ T1977] worker_thread+0x12bc/0x2340 [ 141.898023][ T1977] kthread+0x521/0x560 [ 141.902207][ T1977] ? process_one_work+0x1fe0/0x1fe0 [ 141.907613][ T1977] ? kthread_blkcg+0x110/0x110 [ 141.912407][ T1977] ret_from_fork+0x1f/0x30 [ 141.916842][ T1977] [ 141.919148][ T1977] Local variable ----data@usb_read8 created at: [ 141.925379][ T1977] usb_read8+0x5d/0x130 [ 141.929728][ T1977] usb_read8+0x5d/0x130 [ 141.933883][ T1977] ===================================================== [ 141.941152][ T1977] ===================================================== [ 141.948111][ T1977] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 141.955426][ T1977] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.965249][ T1977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.975324][ T1977] Workqueue: usb_hub_wq hub_event [ 141.980381][ T1977] Call Trace: [ 141.983672][ T1977] dump_stack+0x24c/0x2e0 [ 141.988061][ T1977] kmsan_report+0xfb/0x1e0 [ 141.992500][ T1977] __msan_warning+0x5c/0xa0 [ 141.997026][ T1977] r871xu_drv_init+0x2a38/0x2fe0 [ 142.001997][ T1977] ? r871x_dev_unload+0x310/0x310 [ 142.007050][ T1977] usb_probe_interface+0xfcc/0x1520 [ 142.012295][ T1977] ? usb_register_driver+0x900/0x900 [ 142.017621][ T1977] really_probe+0xe15/0x24d0 [ 142.022238][ T1977] driver_probe_device+0x29d/0x3a0 [ 142.027547][ T1977] __device_attach_driver+0x63f/0x830 [ 142.032987][ T1977] bus_for_each_drv+0x2c8/0x3f0 [ 142.037965][ T1977] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.043677][ T1977] __device_attach+0x56a/0x890 [ 142.048621][ T1977] device_initial_probe+0x4a/0x60 [ 142.053664][ T1977] bus_probe_device+0x17e/0x3d0 [ 142.058534][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.064365][ T1977] device_add+0x2c15/0x31d0 [ 142.068959][ T1977] usb_set_configuration+0x3872/0x3eb0 [ 142.074413][ T1977] ? usb_set_configuration+0xae1/0x3eb0 [ 142.079963][ T1977] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 142.086031][ T1977] usb_generic_driver_probe+0x138/0x300 [ 142.091595][ T1977] ? usb_choose_configuration+0xee0/0xee0 [ 142.097334][ T1977] usb_probe_device+0x317/0x570 [ 142.102209][ T1977] ? usb_register_device_driver+0x590/0x590 [ 142.108102][ T1977] really_probe+0xe15/0x24d0 [ 142.112715][ T1977] driver_probe_device+0x29d/0x3a0 [ 142.117915][ T1977] __device_attach_driver+0x63f/0x830 [ 142.123378][ T1977] bus_for_each_drv+0x2c8/0x3f0 [ 142.128241][ T1977] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.133955][ T1977] __device_attach+0x56a/0x890 [ 142.138714][ T1977] device_initial_probe+0x4a/0x60 [ 142.143732][ T1977] bus_probe_device+0x17e/0x3d0 [ 142.148663][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.154457][ T1977] device_add+0x2c15/0x31d0 [ 142.158969][ T1977] usb_new_device+0x1bd4/0x2a30 [ 142.163811][ T1977] hub_event+0x5b99/0x8870 [ 142.168214][ T1977] ? kmsan_get_metadata+0x116/0x180 [ 142.173509][ T1977] ? kmsan_get_metadata+0x116/0x180 [ 142.178729][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.184532][ T1977] ? led_work+0x780/0x780 [ 142.188853][ T1977] process_one_work+0x1219/0x1fe0 [ 142.194058][ T1977] worker_thread+0x12bc/0x2340 [ 142.199873][ T1977] kthread+0x521/0x560 [ 142.203960][ T1977] ? process_one_work+0x1fe0/0x1fe0 [ 142.209161][ T1977] ? kthread_blkcg+0x110/0x110 [ 142.213950][ T1977] ret_from_fork+0x1f/0x30 [ 142.218894][ T1977] [ 142.221214][ T1977] Local variable ----mac@r871xu_drv_init created at: [ 142.228236][ T1977] r871xu_drv_init+0x189d/0x2fe0 [ 142.233608][ T1977] r871xu_drv_init+0x189d/0x2fe0 [ 142.238547][ T1977] ===================================================== [ 142.245755][ T1977] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 142.253892][ T1977] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 142.266513][ T7] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 142.275704][ T7] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 142.286406][ T1977] usb 1-1: USB disconnect, device number 3 [ 142.308281][ T7] usb 1-1: r8712u: Firmware request failed [ 142.672344][ T1977] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 142.912261][ T1977] usb 1-1: Using ep0 maxpacket: 32 [ 143.042516][ T1977] usb 1-1: New USB device found, idVendor=0bda, idProduct=8712, bcdDevice=9d.25 [ 143.053180][ T1977] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 143.073804][ T1977] usb 1-1: config 0 descriptor?? [ 143.119695][ T1977] r8712u: register rtl8712_netdev_ops to netdev_ops [ 143.126579][ T1977] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 143.252385][ T1977] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 143.258255][ C0] ===================================================== [ 143.258280][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.258301][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.258328][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.258352][ C0] Workqueue: usb_hub_wq hub_event [ 143.258382][ C0] Call Trace: [ 143.258395][ C0] dump_stack+0x24c/0x2e0 [ 143.258410][ C0] kmsan_report+0xfb/0x1e0 [ 143.258425][ C0] __msan_warning+0x5c/0xa0 [ 143.258439][ C0] string+0x573/0x6d0 [ 143.258453][ C0] vsnprintf+0x1acd/0x3600 [ 143.258468][ C0] pointer+0x1cbb/0x1ea0 [ 143.258483][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.258500][ C0] vsnprintf+0x15f2/0x3600 [ 143.258515][ C0] vprintk_store+0x2ab/0x1df0 [ 143.258531][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.258548][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 143.258565][ C0] ? __printk_safe_enter+0xe/0x30 [ 143.258580][ C0] vprintk_emit+0x28e/0x8b0 [ 143.258596][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.258616][ C0] dev_printk_emit+0x1ce/0x210 [ 143.258632][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.258650][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.258667][ C0] __dev_printk+0x3dc/0x458 [ 143.258682][ C0] _dev_info+0x1e5/0x22a [ 143.258696][ C0] ? usb_read8+0xe7/0x130 [ 143.258711][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.258727][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.258744][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.258760][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.258776][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.258792][ C0] ? usb_register_driver+0x900/0x900 [ 143.258808][ C0] really_probe+0xe15/0x24d0 [ 143.258823][ C0] driver_probe_device+0x29d/0x3a0 [ 143.258839][ C0] __device_attach_driver+0x63f/0x830 [ 143.258856][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.258872][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.258888][ C0] __device_attach+0x56a/0x890 [ 143.258904][ C0] device_initial_probe+0x4a/0x60 [ 143.258920][ C0] bus_probe_device+0x17e/0x3d0 [ 143.258936][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.258953][ C0] device_add+0x2c15/0x31d0 [ 143.258969][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.258986][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 143.259003][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.259021][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.259039][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.259056][ C0] usb_probe_device+0x317/0x570 [ 143.259072][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.259089][ C0] really_probe+0xe15/0x24d0 [ 143.259105][ C0] driver_probe_device+0x29d/0x3a0 [ 143.259178][ C0] __device_attach_driver+0x63f/0x830 [ 143.259213][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.259247][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.259283][ C0] __device_attach+0x56a/0x890 [ 143.259301][ C0] device_initial_probe+0x4a/0x60 [ 143.259317][ C0] bus_probe_device+0x17e/0x3d0 [ 143.259333][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.259350][ C0] device_add+0x2c15/0x31d0 [ 143.259366][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.259381][ C0] hub_event+0x5b99/0x8870 [ 143.259396][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.259413][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.259429][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.259446][ C0] ? led_work+0x780/0x780 [ 143.259461][ C0] process_one_work+0x1219/0x1fe0 [ 143.259477][ C0] worker_thread+0x12bc/0x2340 [ 143.259492][ C0] kthread+0x521/0x560 [ 143.259506][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.259522][ C0] ? kthread_blkcg+0x110/0x110 [ 143.259537][ C0] ret_from_fork+0x1f/0x30 [ 143.259551][ C0] [ 143.259565][ C0] Local variable ----data@usb_read8 created at: [ 143.259583][ C0] usb_read8+0x5d/0x130 [ 143.259597][ C0] usb_read8+0x5d/0x130 [ 143.259619][ C0] ===================================================== [ 143.259640][ C0] ===================================================== [ 143.259660][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.259681][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.259707][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.259731][ C0] Workqueue: usb_hub_wq hub_event [ 143.259759][ C0] Call Trace: [ 143.259771][ C0] dump_stack+0x24c/0x2e0 [ 143.259786][ C0] kmsan_report+0xfb/0x1e0 [ 143.259801][ C0] __msan_warning+0x5c/0xa0 [ 143.259815][ C0] string+0x573/0x6d0 [ 143.259829][ C0] vsnprintf+0x1acd/0x3600 [ 143.259844][ C0] pointer+0x1cbb/0x1ea0 [ 143.259859][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.259876][ C0] vsnprintf+0x15f2/0x3600 [ 143.259891][ C0] vprintk_store+0x2ab/0x1df0 [ 143.259907][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.259924][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 143.259942][ C0] ? __printk_safe_enter+0xe/0x30 [ 143.259958][ C0] vprintk_emit+0x28e/0x8b0 [ 143.259973][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.259988][ C0] dev_printk_emit+0x1ce/0x210 [ 143.260004][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.260021][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.260038][ C0] __dev_printk+0x3dc/0x458 [ 143.260053][ C0] _dev_info+0x1e5/0x22a [ 143.260068][ C0] ? usb_read8+0xe7/0x130 [ 143.260083][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.260099][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.260122][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.260142][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.260158][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.260174][ C0] ? usb_register_driver+0x900/0x900 [ 143.260189][ C0] really_probe+0xe15/0x24d0 [ 143.260205][ C0] driver_probe_device+0x29d/0x3a0 [ 143.260220][ C0] __device_attach_driver+0x63f/0x830 [ 143.260237][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.260253][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.260276][ C0] __device_attach+0x56a/0x890 [ 143.260308][ C0] device_initial_probe+0x4a/0x60 [ 143.260342][ C0] bus_probe_device+0x17e/0x3d0 [ 143.260376][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.260412][ C0] device_add+0x2c15/0x31d0 [ 143.260443][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.260463][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 143.260480][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.260498][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.260516][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.260533][ C0] usb_probe_device+0x317/0x570 [ 143.260549][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.260566][ C0] really_probe+0xe15/0x24d0 [ 143.260582][ C0] driver_probe_device+0x29d/0x3a0 [ 143.260598][ C0] __device_attach_driver+0x63f/0x830 [ 143.260620][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.260636][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.260652][ C0] __device_attach+0x56a/0x890 [ 143.260668][ C0] device_initial_probe+0x4a/0x60 [ 143.260684][ C0] bus_probe_device+0x17e/0x3d0 [ 143.260701][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.260717][ C0] device_add+0x2c15/0x31d0 [ 143.260732][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.260748][ C0] hub_event+0x5b99/0x8870 [ 143.260763][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.260779][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.260796][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.260812][ C0] ? led_work+0x780/0x780 [ 143.260827][ C0] process_one_work+0x1219/0x1fe0 [ 143.260843][ C0] worker_thread+0x12bc/0x2340 [ 143.260858][ C0] kthread+0x521/0x560 [ 143.260872][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.260888][ C0] ? kthread_blkcg+0x110/0x110 [ 143.260903][ C0] ret_from_fork+0x1f/0x30 [ 143.260917][ C0] [ 143.260930][ C0] Local variable ----data@usb_read8 created at: [ 143.260948][ C0] usb_read8+0x5d/0x130 [ 143.260963][ C0] usb_read8+0x5d/0x130 [ 143.260979][ C0] ===================================================== [ 143.260999][ C0] ===================================================== [ 143.261020][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.261041][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.261073][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.261098][ C0] Workqueue: usb_hub_wq hub_event [ 143.261125][ C0] Call Trace: [ 143.261138][ C0] dump_stack+0x24c/0x2e0 [ 143.261153][ C0] kmsan_report+0xfb/0x1e0 [ 143.261168][ C0] __msan_warning+0x5c/0xa0 [ 143.261182][ C0] string+0x573/0x6d0 [ 143.261196][ C0] vsnprintf+0x1acd/0x3600 [ 143.261210][ C0] pointer+0x1cbb/0x1ea0 [ 143.261226][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.261242][ C0] vsnprintf+0x15f2/0x3600 [ 143.261257][ C0] vprintk_store+0x2ab/0x1df0 [ 143.261272][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.261290][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 143.261307][ C0] ? __printk_safe_enter+0xe/0x30 [ 143.261322][ C0] vprintk_emit+0x28e/0x8b0 [ 143.261337][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.261352][ C0] dev_printk_emit+0x1ce/0x210 [ 143.261368][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.261385][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.261402][ C0] __dev_printk+0x3dc/0x458 [ 143.261417][ C0] _dev_info+0x1e5/0x22a [ 143.261435][ C0] ? usb_read8+0xe7/0x130 [ 143.261466][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.261501][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.261537][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.261571][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.261602][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.261623][ C0] ? usb_register_driver+0x900/0x900 [ 143.261639][ C0] really_probe+0xe15/0x24d0 [ 143.261654][ C0] driver_probe_device+0x29d/0x3a0 [ 143.261670][ C0] __device_attach_driver+0x63f/0x830 [ 143.261687][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.261703][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.261719][ C0] __device_attach+0x56a/0x890 [ 143.261735][ C0] device_initial_probe+0x4a/0x60 [ 143.261751][ C0] bus_probe_device+0x17e/0x3d0 [ 143.261767][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.261784][ C0] device_add+0x2c15/0x31d0 [ 143.261799][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.261816][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 143.261834][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.261852][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.261869][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.261886][ C0] usb_probe_device+0x317/0x570 [ 143.261902][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.261919][ C0] really_probe+0xe15/0x24d0 [ 143.261934][ C0] driver_probe_device+0x29d/0x3a0 [ 143.261950][ C0] __device_attach_driver+0x63f/0x830 [ 143.261966][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.261982][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.261999][ C0] __device_attach+0x56a/0x890 [ 143.262014][ C0] device_initial_probe+0x4a/0x60 [ 143.262030][ C0] bus_probe_device+0x17e/0x3d0 [ 143.262046][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.262077][ C0] device_add+0x2c15/0x31d0 [ 143.262106][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.262133][ C0] hub_event+0x5b99/0x8870 [ 143.262163][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.262195][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.262229][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.262247][ C0] ? led_work+0x780/0x780 [ 143.262262][ C0] process_one_work+0x1219/0x1fe0 [ 143.262278][ C0] worker_thread+0x12bc/0x2340 [ 143.262294][ C0] kthread+0x521/0x560 [ 143.262308][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.262324][ C0] ? kthread_blkcg+0x110/0x110 [ 143.262341][ C0] ret_from_fork+0x1f/0x30 [ 143.262365][ C0] [ 143.262378][ C0] Local variable ----data@usb_read8 created at: [ 143.262397][ C0] usb_read8+0x5d/0x130 [ 143.262412][ C0] usb_read8+0x5d/0x130 [ 143.262428][ C0] ===================================================== [ 143.262449][ C0] ===================================================== [ 143.262470][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.262491][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.262518][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program [ 143.262543][ C0] Workqueue: usb_hub_wq hub_event [ 143.262569][ C0] Call Trace: [ 143.262582][ C0] dump_stack+0x24c/0x2e0 [ 143.262612][ C0] kmsan_report+0xfb/0x1e0 [ 143.262643][ C0] __msan_warning+0x5c/0xa0 [ 143.262674][ C0] string+0x573/0x6d0 [ 143.262703][ C0] vsnprintf+0x1acd/0x3600 [ 143.262734][ C0] pointer+0x1cbb/0x1ea0 [ 143.262765][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.262782][ C0] Lost 1757 message(s)! [ 144.567691][ T1977] ===================================================== [ 144.574634][ T1977] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 144.581946][ T1977] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.591755][ T1977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.601835][ T1977] Workqueue: usb_hub_wq hub_event [ 144.606942][ T1977] Call Trace: [ 144.610304][ T1977] dump_stack+0x24c/0x2e0 [ 144.614662][ T1977] kmsan_report+0xfb/0x1e0 [ 144.619105][ T1977] __msan_warning+0x5c/0xa0 [ 144.623635][ T1977] r871xu_drv_init+0x1a86/0x2fe0 [ 144.629036][ T1977] ? r871x_dev_unload+0x310/0x310 [ 144.634085][ T1977] usb_probe_interface+0xfcc/0x1520 [ 144.639330][ T1977] ? usb_register_driver+0x900/0x900 [ 144.644642][ T1977] really_probe+0xe15/0x24d0 [ 144.649260][ T1977] driver_probe_device+0x29d/0x3a0 [ 144.654490][ T1977] __device_attach_driver+0x63f/0x830 [ 144.659896][ T1977] bus_for_each_drv+0x2c8/0x3f0 [ 144.664790][ T1977] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.670535][ T1977] __device_attach+0x56a/0x890 [ 144.675321][ T1977] device_initial_probe+0x4a/0x60 [ 144.680364][ T1977] bus_probe_device+0x17e/0x3d0 [ 144.685247][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.691079][ T1977] device_add+0x2c15/0x31d0 [ 144.695634][ T1977] usb_set_configuration+0x3872/0x3eb0 [ 144.701121][ T1977] ? usb_set_configuration+0xae1/0x3eb0 [ 144.706708][ T1977] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 144.712804][ T1977] usb_generic_driver_probe+0x138/0x300 [ 144.718463][ T1977] ? usb_choose_configuration+0xee0/0xee0 [ 144.724205][ T1977] usb_probe_device+0x317/0x570 [ 144.729085][ T1977] ? usb_register_device_driver+0x590/0x590 [ 144.735044][ T1977] really_probe+0xe15/0x24d0 [ 144.739694][ T1977] driver_probe_device+0x29d/0x3a0 [ 144.744866][ T1977] __device_attach_driver+0x63f/0x830 [ 144.750264][ T1977] bus_for_each_drv+0x2c8/0x3f0 [ 144.755355][ T1977] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.761361][ T1977] __device_attach+0x56a/0x890 [ 144.766158][ T1977] device_initial_probe+0x4a/0x60 [ 144.771210][ T1977] bus_probe_device+0x17e/0x3d0 [ 144.776090][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.781927][ T1977] device_add+0x2c15/0x31d0 [ 144.786465][ T1977] usb_new_device+0x1bd4/0x2a30 [ 144.791375][ T1977] hub_event+0x5b99/0x8870 [ 144.795851][ T1977] ? kmsan_get_metadata+0x116/0x180 [ 144.801170][ T1977] ? kmsan_get_metadata+0x116/0x180 [ 144.806393][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.812259][ T1977] ? led_work+0x780/0x780 [ 144.816607][ T1977] process_one_work+0x1219/0x1fe0 [ 144.821664][ T1977] worker_thread+0x12bc/0x2340 [ 144.826462][ T1977] kthread+0x521/0x560 [ 144.830551][ T1977] ? process_one_work+0x1fe0/0x1fe0 [ 144.835865][ T1977] ? kthread_blkcg+0x110/0x110 [ 144.840625][ T1977] ret_from_fork+0x1f/0x30 [ 144.845067][ T1977] [ 144.847391][ T1977] Local variable ----data@usb_read8 created at: [ 144.853631][ T1977] usb_read8+0x5d/0x130 [ 144.857812][ T1977] usb_read8+0x5d/0x130 [ 144.861985][ T1977] ===================================================== [ 144.869277][ T1977] ===================================================== [ 144.876218][ T1977] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 144.883539][ T1977] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.893364][ T1977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.903452][ T1977] Workqueue: usb_hub_wq hub_event [ 144.908509][ T1977] Call Trace: [ 144.911834][ T1977] dump_stack+0x24c/0x2e0 [ 144.916199][ T1977] kmsan_report+0xfb/0x1e0 [ 144.920643][ T1977] __msan_warning+0x5c/0xa0 [ 144.925171][ T1977] r871xu_drv_init+0x2a38/0x2fe0 [ 144.930143][ T1977] ? r871x_dev_unload+0x310/0x310 [ 144.935284][ T1977] usb_probe_interface+0xfcc/0x1520 [ 144.940595][ T1977] ? usb_register_driver+0x900/0x900 [ 144.945874][ T1977] really_probe+0xe15/0x24d0 [ 144.950476][ T1977] driver_probe_device+0x29d/0x3a0 [ 144.955576][ T1977] __device_attach_driver+0x63f/0x830 [ 144.960941][ T1977] bus_for_each_drv+0x2c8/0x3f0 [ 144.965793][ T1977] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.971627][ T1977] __device_attach+0x56a/0x890 [ 144.976389][ T1977] device_initial_probe+0x4a/0x60 [ 144.981403][ T1977] bus_probe_device+0x17e/0x3d0 [ 144.986245][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.992047][ T1977] device_add+0x2c15/0x31d0 [ 144.996653][ T1977] usb_set_configuration+0x3872/0x3eb0 [ 145.002111][ T1977] ? usb_set_configuration+0xae1/0x3eb0 [ 145.007784][ T1977] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.013846][ T1977] usb_generic_driver_probe+0x138/0x300 [ 145.019486][ T1977] ? usb_choose_configuration+0xee0/0xee0 [ 145.025199][ T1977] usb_probe_device+0x317/0x570 [ 145.030152][ T1977] ? usb_register_device_driver+0x590/0x590 [ 145.036065][ T1977] really_probe+0xe15/0x24d0 [ 145.040647][ T1977] driver_probe_device+0x29d/0x3a0 [ 145.045755][ T1977] __device_attach_driver+0x63f/0x830 [ 145.051220][ T1977] bus_for_each_drv+0x2c8/0x3f0 [ 145.056274][ T1977] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.062347][ T1977] __device_attach+0x56a/0x890 [ 145.067196][ T1977] device_initial_probe+0x4a/0x60 [ 145.072910][ T1977] bus_probe_device+0x17e/0x3d0 [ 145.080388][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.086405][ T1977] device_add+0x2c15/0x31d0 [ 145.090919][ T1977] usb_new_device+0x1bd4/0x2a30 [ 145.095873][ T1977] hub_event+0x5b99/0x8870 [ 145.100287][ T1977] ? kmsan_get_metadata+0x116/0x180 [ 145.105489][ T1977] ? kmsan_get_metadata+0x116/0x180 [ 145.110681][ T1977] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.116483][ T1977] ? led_work+0x780/0x780 [ 145.120814][ T1977] process_one_work+0x1219/0x1fe0 [ 145.125956][ T1977] worker_thread+0x12bc/0x2340 [ 145.130747][ T1977] kthread+0x521/0x560 [ 145.134822][ T1977] ? process_one_work+0x1fe0/0x1fe0 [ 145.140022][ T1977] ? kthread_blkcg+0x110/0x110 [ 145.144826][ T1977] ret_from_fork+0x1f/0x30 [ 145.149255][ T1977] [ 145.151563][ T1977] Local variable ----mac@r871xu_drv_init created at: [ 145.159211][ T1977] r871xu_drv_init+0x189d/0x2fe0 [ 145.164156][ T1977] r871xu_drv_init+0x189d/0x2fe0 [ 145.169094][ T1977] ===================================================== [ 145.176238][ T1977] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 145.183906][ T1977] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 145.196194][ T7] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 145.205403][ T7] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 145.215312][ T1977] usb 1-1: USB disconnect, device number 4 [ 145.275251][ T7] usb 1-1: r8712u: Firmware request failed [ 145.662290][ T1977] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 145.902309][ T1977] usb 1-1: Using ep0 maxpacket: 32 [ 146.022579][ T1977] usb 1-1: New USB device found, idVendor=0bda, idProduct=8712, bcdDevice=9d.25 [ 146.031908][ T1977] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 146.053083][ T1977] usb 1-1: config 0 descriptor?? [ 146.099941][ T1977] r8712u: register rtl8712_netdev_ops to netdev_ops [ 146.106990][ T1977] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 146.212399][ T1977] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 146.217802][ C0] ===================================================== [ 146.217826][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 146.217848][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.217874][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.217901][ C0] Workqueue: usb_hub_wq hub_event [ 146.217930][ C0] Call Trace: [ 146.217943][ C0] dump_stack+0x24c/0x2e0 [ 146.217958][ C0] kmsan_report+0xfb/0x1e0 [ 146.217973][ C0] __msan_warning+0x5c/0xa0 [ 146.217988][ C0] string+0x573/0x6d0 [ 146.218002][ C0] vsnprintf+0x1acd/0x3600 [ 146.218017][ C0] pointer+0x1cbb/0x1ea0 [ 146.218032][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.218049][ C0] vsnprintf+0x15f2/0x3600 [ 146.218064][ C0] vprintk_store+0x2ab/0x1df0 [ 146.218087][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.218115][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 146.218135][ C0] ? __printk_safe_enter+0xe/0x30 [ 146.218151][ C0] vprintk_emit+0x28e/0x8b0 [ 146.218166][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 146.218182][ C0] dev_printk_emit+0x1ce/0x210 [ 146.218198][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 146.218217][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.218234][ C0] __dev_printk+0x3dc/0x458 [ 146.218249][ C0] _dev_info+0x1e5/0x22a [ 146.218263][ C0] ? usb_read8+0xe7/0x130 [ 146.218279][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 146.218296][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 146.218313][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 146.218329][ C0] ? r871x_dev_unload+0x310/0x310 [ 146.218345][ C0] usb_probe_interface+0xfcc/0x1520 [ 146.218361][ C0] ? usb_register_driver+0x900/0x900 [ 146.218377][ C0] really_probe+0xe15/0x24d0 [ 146.218393][ C0] driver_probe_device+0x29d/0x3a0 [ 146.218409][ C0] __device_attach_driver+0x63f/0x830 [ 146.218425][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.218441][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.218458][ C0] __device_attach+0x56a/0x890 [ 146.218473][ C0] device_initial_probe+0x4a/0x60 [ 146.218489][ C0] bus_probe_device+0x17e/0x3d0 [ 146.218505][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.218521][ C0] device_add+0x2c15/0x31d0 [ 146.218536][ C0] usb_set_configuration+0x3872/0x3eb0 [ 146.218553][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 146.218571][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 146.218588][ C0] usb_generic_driver_probe+0x138/0x300 [ 146.218605][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 146.218622][ C0] usb_probe_device+0x317/0x570 [ 146.218638][ C0] ? usb_register_device_driver+0x590/0x590 [ 146.218655][ C0] really_probe+0xe15/0x24d0 [ 146.218671][ C0] driver_probe_device+0x29d/0x3a0 [ 146.218687][ C0] __device_attach_driver+0x63f/0x830 [ 146.218704][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.218719][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.218736][ C0] __device_attach+0x56a/0x890 [ 146.218752][ C0] device_initial_probe+0x4a/0x60 [ 146.218767][ C0] bus_probe_device+0x17e/0x3d0 [ 146.218783][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.218800][ C0] device_add+0x2c15/0x31d0 [ 146.218814][ C0] usb_new_device+0x1bd4/0x2a30 [ 146.218830][ C0] hub_event+0x5b99/0x8870 [ 146.218845][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.218861][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.218877][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.218894][ C0] ? led_work+0x780/0x780 [ 146.218909][ C0] process_one_work+0x1219/0x1fe0 [ 146.218925][ C0] worker_thread+0x12bc/0x2340 [ 146.218940][ C0] kthread+0x521/0x560 [ 146.218954][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 146.218970][ C0] ? kthread_blkcg+0x110/0x110 [ 146.218990][ C0] ret_from_fork+0x1f/0x30 [ 146.219004][ C0] [ 146.219017][ C0] Local variable ----data@usb_read8 created at: [ 146.219035][ C0] usb_read8+0x5d/0x130 [ 146.219050][ C0] usb_read8+0x5d/0x130 [ 146.219066][ C0] ===================================================== [ 146.219087][ C0] ===================================================== [ 146.219114][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 146.219135][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.219161][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.219184][ C0] Workqueue: usb_hub_wq hub_event [ 146.219210][ C0] Call Trace: [ 146.219223][ C0] dump_stack+0x24c/0x2e0 [ 146.219237][ C0] kmsan_report+0xfb/0x1e0 [ 146.219253][ C0] __msan_warning+0x5c/0xa0 [ 146.219267][ C0] string+0x573/0x6d0 [ 146.219281][ C0] vsnprintf+0x1acd/0x3600 [ 146.219295][ C0] pointer+0x1cbb/0x1ea0 [ 146.219310][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.219327][ C0] vsnprintf+0x15f2/0x3600 [ 146.219342][ C0] vprintk_store+0x2ab/0x1df0 [ 146.219358][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.219375][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 146.219392][ C0] ? __printk_safe_enter+0xe/0x30 [ 146.219408][ C0] vprintk_emit+0x28e/0x8b0 [ 146.219423][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 146.219438][ C0] dev_printk_emit+0x1ce/0x210 [ 146.219454][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 146.219472][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.219488][ C0] __dev_printk+0x3dc/0x458 [ 146.219503][ C0] _dev_info+0x1e5/0x22a [ 146.219518][ C0] ? usb_read8+0xe7/0x130 [ 146.219533][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 146.219549][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 146.219566][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 146.219582][ C0] ? r871x_dev_unload+0x310/0x310 [ 146.219599][ C0] usb_probe_interface+0xfcc/0x1520 [ 146.219616][ C0] ? usb_register_driver+0x900/0x900 [ 146.219631][ C0] really_probe+0xe15/0x24d0 [ 146.219647][ C0] driver_probe_device+0x29d/0x3a0 [ 146.219663][ C0] __device_attach_driver+0x63f/0x830 [ 146.219679][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.219695][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.219712][ C0] __device_attach+0x56a/0x890 [ 146.219727][ C0] device_initial_probe+0x4a/0x60 [ 146.219743][ C0] bus_probe_device+0x17e/0x3d0 [ 146.219760][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.219776][ C0] device_add+0x2c15/0x31d0 [ 146.219792][ C0] usb_set_configuration+0x3872/0x3eb0 [ 146.219809][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 146.219826][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 146.219844][ C0] usb_generic_driver_probe+0x138/0x300 [ 146.219861][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 146.219878][ C0] usb_probe_device+0x317/0x570 [ 146.219894][ C0] ? usb_register_device_driver+0x590/0x590 [ 146.219911][ C0] really_probe+0xe15/0x24d0 [ 146.219926][ C0] driver_probe_device+0x29d/0x3a0 [ 146.219942][ C0] __device_attach_driver+0x63f/0x830 [ 146.219958][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.219974][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.219991][ C0] __device_attach+0x56a/0x890 [ 146.220006][ C0] device_initial_probe+0x4a/0x60 [ 146.220023][ C0] bus_probe_device+0x17e/0x3d0 [ 146.220039][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.220055][ C0] device_add+0x2c15/0x31d0 [ 146.220070][ C0] usb_new_device+0x1bd4/0x2a30 [ 146.220085][ C0] hub_event+0x5b99/0x8870 [ 146.220100][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.220121][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.220138][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.220154][ C0] ? led_work+0x780/0x780 [ 146.220169][ C0] process_one_work+0x1219/0x1fe0 [ 146.220184][ C0] worker_thread+0x12bc/0x2340 [ 146.220199][ C0] kthread+0x521/0x560 [ 146.220214][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 146.220230][ C0] ? kthread_blkcg+0x110/0x110 [ 146.220245][ C0] ret_from_fork+0x1f/0x30 [ 146.220258][ C0] [ 146.220271][ C0] Local variable ----data@usb_read8 created at: [ 146.220289][ C0] usb_read8+0x5d/0x130 [ 146.220304][ C0] usb_read8+0x5d/0x130 [ 146.220321][ C0] ===================================================== [ 146.220341][ C0] ===================================================== [ 146.220361][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 146.220382][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.220408][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.220432][ C0] Workqueue: usb_hub_wq hub_event [ 146.220458][ C0] Call Trace: [ 146.220471][ C0] dump_stack+0x24c/0x2e0 [ 146.220486][ C0] kmsan_report+0xfb/0x1e0 [ 146.220500][ C0] __msan_warning+0x5c/0xa0 [ 146.220515][ C0] string+0x573/0x6d0 [ 146.220529][ C0] vsnprintf+0x1acd/0x3600 [ 146.220543][ C0] pointer+0x1cbb/0x1ea0 [ 146.220558][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.220575][ C0] vsnprintf+0x15f2/0x3600 [ 146.220592][ C0] vprintk_store+0x2ab/0x1df0 [ 146.220608][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.220625][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 146.220642][ C0] ? __printk_safe_enter+0xe/0x30 [ 146.220657][ C0] vprintk_emit+0x28e/0x8b0 [ 146.220672][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 146.220688][ C0] dev_printk_emit+0x1ce/0x210 [ 146.220703][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 146.220721][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.220738][ C0] __dev_printk+0x3dc/0x458 [ 146.220752][ C0] _dev_info+0x1e5/0x22a [ 146.220767][ C0] ? usb_read8+0xe7/0x130 [ 146.220781][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 146.220798][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 146.220814][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 146.220830][ C0] ? r871x_dev_unload+0x310/0x310 [ 146.220846][ C0] usb_probe_interface+0xfcc/0x1520 [ 146.220862][ C0] ? usb_register_driver+0x900/0x900 [ 146.220878][ C0] really_probe+0xe15/0x24d0 [ 146.220894][ C0] driver_probe_device+0x29d/0x3a0 [ 146.220910][ C0] __device_attach_driver+0x63f/0x830 [ 146.220926][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.220942][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.220959][ C0] __device_attach+0x56a/0x890 [ 146.220974][ C0] device_initial_probe+0x4a/0x60 [ 146.220989][ C0] bus_probe_device+0x17e/0x3d0 [ 146.221005][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.221022][ C0] device_add+0x2c15/0x31d0 [ 146.221038][ C0] usb_set_configuration+0x3872/0x3eb0 [ 146.221054][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 146.221072][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 146.221089][ C0] usb_generic_driver_probe+0x138/0x300 [ 146.221111][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 146.221128][ C0] usb_probe_device+0x317/0x570 [ 146.221144][ C0] ? usb_register_device_driver+0x590/0x590 [ 146.221161][ C0] really_probe+0xe15/0x24d0 [ 146.221176][ C0] driver_probe_device+0x29d/0x3a0 [ 146.221192][ C0] __device_attach_driver+0x63f/0x830 [ 146.221208][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.221224][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.221241][ C0] __device_attach+0x56a/0x890 [ 146.221256][ C0] device_initial_probe+0x4a/0x60 [ 146.221272][ C0] bus_probe_device+0x17e/0x3d0 [ 146.221294][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.221311][ C0] device_add+0x2c15/0x31d0 [ 146.221326][ C0] usb_new_device+0x1bd4/0x2a30 [ 146.221342][ C0] hub_event+0x5b99/0x8870 [ 146.221357][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.221374][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.221390][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.221407][ C0] ? led_work+0x780/0x780 [ 146.221421][ C0] process_one_work+0x1219/0x1fe0 [ 146.221437][ C0] worker_thread+0x12bc/0x2340 [ 146.221452][ C0] kthread+0x521/0x560 [ 146.221466][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 146.221482][ C0] ? kthread_blkcg+0x110/0x110 [ 146.221497][ C0] ret_from_fork+0x1f/0x30 [ 146.221510][ C0] [ 146.221523][ C0] Local variable ----data@usb_read8 created at: [ 146.221541][ C0] usb_read8+0x5d/0x130 [ 146.221556][ C0] usb_read8+0x5d/0x130 [ 146.221573][ C0] ===================================================== [ 146.221593][ C0] ===================================================== [ 146.221614][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 146.221635][ C0] CPU: 0 PID: 1977 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.221661][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.221685][ C0] Workqueue: usb_hub_wq hub_event [ 146.221712][ C0] Call Trace: [ 146.221724][ C0] dump_stack+0x24c/0x2e0 [ 146.221739][ C0] kmsan_report+0xfb/0x1e0