[ 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 23s / 2min 43s)[ *** ] A start job is running for OpenBSD …Shell server (1min 23s / 2min 43s)[*** ] A start job is running for OpenBSD …Shell server (1min 24s / 2min 43s)[** ] A start job is running for OpenBSD …Shell server (1min 24s / 2min 43s)[* ] A start job is running for OpenBSD …Shell server (1min 25s / 2min 43s)[** ] A start job is running for OpenBSD …Shell server (1min 26s / 2min 43s)[*** ] 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 '10.128.0.123' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 136.776948][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 137.017160][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 137.137133][ T7] usb 1-1: config 1 has an invalid interface number: 10 but max is 0 [ 137.146045][ T7] usb 1-1: config 1 has no interface number 0 [ 137.152730][ T7] usb 1-1: New USB device found, idVendor=13d3, idProduct=3339, bcdDevice=f9.1f [ 137.162460][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 137.215247][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 137.222507][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 137.327026][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 137.333070][ C0] ===================================================== [ 137.333098][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.333119][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.11.0-rc7-syzkaller #0 [ 137.333143][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.333167][ C0] Workqueue: usb_hub_wq hub_event [ 137.333196][ C0] Call Trace: [ 137.333209][ C0] dump_stack+0x21c/0x280 [ 137.333224][ C0] kmsan_report+0xfb/0x1e0 [ 137.333239][ C0] __msan_warning+0x5f/0xa0 [ 137.333254][ C0] string+0x573/0x6d0 [ 137.333267][ C0] vsnprintf+0x1acd/0x3600 [ 137.333282][ C0] pointer+0x1b8a/0x1ca0 [ 137.333302][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.333319][ C0] vsnprintf+0x15f2/0x3600 [ 137.333334][ C0] vprintk_store+0x2ab/0x1df0 [ 137.333349][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.333366][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.333383][ C0] vprintk_emit+0x29a/0x7f0 [ 137.333398][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 137.333413][ C0] dev_printk_emit+0x1ce/0x210 [ 137.333429][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.333446][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.333463][ C0] __dev_printk+0x3dc/0x458 [ 137.333477][ C0] _dev_info+0x1e5/0x22a [ 137.333492][ C0] ? usb_read8+0xe7/0x130 [ 137.333506][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.333522][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.333539][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 137.333554][ C0] ? r871x_dev_unload+0x310/0x310 [ 137.333570][ C0] usb_probe_interface+0xfcc/0x1520 [ 137.333586][ C0] ? usb_register_driver+0x900/0x900 [ 137.333601][ C0] really_probe+0xe15/0x24d0 [ 137.333620][ C0] driver_probe_device+0x29d/0x3a0 [ 137.333636][ C0] __device_attach_driver+0x63f/0x830 [ 137.333654][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.333686][ C0] ? deferred_probe_work_func+0x400/0x400 [ 137.333719][ C0] __device_attach+0x56a/0x890 [ 137.333751][ C0] device_initial_probe+0x4a/0x60 [ 137.333784][ C0] bus_probe_device+0x17e/0x3d0 [ 137.333822][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.333856][ C0] device_add+0x2c15/0x31d0 [ 137.333877][ C0] usb_set_configuration+0x3872/0x3eb0 [ 137.333893][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 137.333910][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 137.333927][ C0] usb_generic_driver_probe+0x138/0x300 [ 137.333945][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 137.333961][ C0] usb_probe_device+0x317/0x570 [ 137.333977][ C0] ? usb_register_device_driver+0x590/0x590 [ 137.333994][ C0] really_probe+0xe15/0x24d0 [ 137.334009][ C0] driver_probe_device+0x29d/0x3a0 [ 137.334025][ C0] __device_attach_driver+0x63f/0x830 [ 137.334041][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.334058][ C0] ? deferred_probe_work_func+0x400/0x400 [ 137.334074][ C0] __device_attach+0x56a/0x890 [ 137.334090][ C0] device_initial_probe+0x4a/0x60 [ 137.334105][ C0] bus_probe_device+0x17e/0x3d0 [ 137.334121][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.334137][ C0] device_add+0x2c15/0x31d0 [ 137.334152][ C0] usb_new_device+0x1bd4/0x2a30 [ 137.334167][ C0] hub_event+0x5b99/0x8870 [ 137.334181][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.334198][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.334214][ C0] ? led_work+0x780/0x780 [ 137.334228][ C0] process_one_work+0x1219/0x1fe0 [ 137.334244][ C0] worker_thread+0x10ec/0x2340 [ 137.334258][ C0] kthread+0x521/0x560 [ 137.334272][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 137.334288][ C0] ? kthread_blkcg+0x110/0x110 [ 137.334307][ C0] ret_from_fork+0x1f/0x30 [ 137.334321][ C0] [ 137.334333][ C0] Local variable ----data@usb_read8 created at: [ 137.334351][ C0] usb_read8+0x5d/0x130 [ 137.334365][ C0] usb_read8+0x5d/0x130 [ 137.334381][ C0] ===================================================== [ 137.334401][ C0] Disabling lock debugging due to kernel taint [ 137.334420][ C0] ===================================================== [ 137.334439][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.334460][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 137.334485][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.334508][ C0] Workqueue: usb_hub_wq hub_event [ 137.334535][ C0] Call Trace: [ 137.334548][ C0] dump_stack+0x21c/0x280 [ 137.334562][ C0] kmsan_report+0xfb/0x1e0 [ 137.334577][ C0] __msan_warning+0x5f/0xa0 [ 137.334591][ C0] string+0x573/0x6d0 [ 137.334605][ C0] vsnprintf+0x1acd/0x3600 [ 137.334619][ C0] pointer+0x1b8a/0x1ca0 [ 137.334634][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.334655][ C0] vsnprintf+0x15f2/0x3600 [ 137.334670][ C0] vprintk_store+0x2ab/0x1df0 [ 137.334685][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.334702][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.334719][ C0] vprintk_emit+0x29a/0x7f0 [ 137.334734][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 137.334749][ C0] dev_printk_emit+0x1ce/0x210 [ 137.334768][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.334785][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.334804][ C0] __dev_printk+0x3dc/0x458 [ 137.334819][ C0] _dev_info+0x1e5/0x22a [ 137.334840][ C0] ? usb_read8+0xe7/0x130 [ 137.334869][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.334903][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.334935][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 137.335016][ C0] ? r871x_dev_unload+0x310/0x310 [ 137.335053][ C0] usb_probe_interface+0xfcc/0x1520 [ 137.335085][ C0] ? usb_register_driver+0x900/0x900 [ 137.335107][ C0] really_probe+0xe15/0x24d0 [ 137.335122][ C0] driver_probe_device+0x29d/0x3a0 [ 137.335138][ C0] __device_attach_driver+0x63f/0x830 [ 137.335155][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.335171][ C0] ? deferred_probe_work_func+0x400/0x400 [ 137.335187][ C0] __device_attach+0x56a/0x890 [ 137.335203][ C0] device_initial_probe+0x4a/0x60 [ 137.335218][ C0] bus_probe_device+0x17e/0x3d0 [ 137.335234][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.335251][ C0] device_add+0x2c15/0x31d0 [ 137.335266][ C0] usb_set_configuration+0x3872/0x3eb0 [ 137.335282][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 137.335299][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 137.335316][ C0] usb_generic_driver_probe+0x138/0x300 [ 137.335333][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 137.335349][ C0] usb_probe_device+0x317/0x570 [ 137.335373][ C0] ? usb_register_device_driver+0x590/0x590 [ 137.335391][ C0] really_probe+0xe15/0x24d0 [ 137.335406][ C0] driver_probe_device+0x29d/0x3a0 [ 137.335422][ C0] __device_attach_driver+0x63f/0x830 [ 137.335437][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.335453][ C0] ? deferred_probe_work_func+0x400/0x400 [ 137.335470][ C0] __device_attach+0x56a/0x890 [ 137.335485][ C0] device_initial_probe+0x4a/0x60 [ 137.335500][ C0] bus_probe_device+0x17e/0x3d0 [ 137.335516][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.335538][ C0] device_add+0x2c15/0x31d0 [ 137.335553][ C0] usb_new_device+0x1bd4/0x2a30 [ 137.335568][ C0] hub_event+0x5b99/0x8870 [ 137.335582][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.335608][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.335625][ C0] ? led_work+0x780/0x780 [ 137.335639][ C0] process_one_work+0x1219/0x1fe0 [ 137.335655][ C0] worker_thread+0x10ec/0x2340 [ 137.335670][ C0] kthread+0x521/0x560 [ 137.335685][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 137.335701][ C0] ? kthread_blkcg+0x110/0x110 [ 137.335716][ C0] ret_from_fork+0x1f/0x30 [ 137.335741][ C0] [ 137.335761][ C0] Local variable ----data@usb_read8 created at: [ 137.335779][ C0] usb_read8+0x5d/0x130 [ 137.335797][ C0] usb_read8+0x5d/0x130 [ 137.335813][ C0] ===================================================== [ 137.335839][ C0] ===================================================== [ 137.335862][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.335883][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 137.335908][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.335978][ C0] Workqueue: usb_hub_wq hub_event [ 137.336008][ C0] Call Trace: [ 137.336021][ C0] dump_stack+0x21c/0x280 [ 137.336035][ C0] kmsan_report+0xfb/0x1e0 [ 137.336052][ C0] __msan_warning+0x5f/0xa0 [ 137.336081][ C0] string+0x573/0x6d0 [ 137.336108][ C0] vsnprintf+0x1acd/0x3600 [ 137.336138][ C0] pointer+0x1b8a/0x1ca0 [ 137.336167][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.336201][ C0] vsnprintf+0x15f2/0x3600 [ 137.336244][ C0] vprintk_store+0x2ab/0x1df0 [ 137.336269][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.336286][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.336303][ C0] vprintk_emit+0x29a/0x7f0 [ 137.336317][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 137.336333][ C0] dev_printk_emit+0x1ce/0x210 [ 137.336348][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.336366][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.336390][ C0] __dev_printk+0x3dc/0x458 [ 137.336405][ C0] _dev_info+0x1e5/0x22a [ 137.336419][ C0] ? usb_read8+0xe7/0x130 [ 137.336434][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.336450][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.336467][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 137.336482][ C0] ? r871x_dev_unload+0x310/0x310 [ 137.336498][ C0] usb_probe_interface+0xfcc/0x1520 [ 137.336514][ C0] ? usb_register_driver+0x900/0x900 [ 137.336530][ C0] really_probe+0xe15/0x24d0 [ 137.336545][ C0] driver_probe_device+0x29d/0x3a0 [ 137.336563][ C0] __device_attach_driver+0x63f/0x830 [ 137.336579][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.336594][ C0] ? deferred_probe_work_func+0x400/0x400 [ 137.336611][ C0] __device_attach+0x56a/0x890 [ 137.336626][ C0] device_initial_probe+0x4a/0x60 [ 137.336641][ C0] bus_probe_device+0x17e/0x3d0 [ 137.336658][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.336694][ C0] device_add+0x2c15/0x31d0 [ 137.336722][ C0] usb_set_configuration+0x3872/0x3eb0 [ 137.336752][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 137.336785][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 137.336818][ C0] usb_generic_driver_probe+0x138/0x300 [ 137.336849][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 137.336882][ C0] usb_probe_device+0x317/0x570 [ 137.336913][ C0] ? usb_register_device_driver+0x590/0x590 [ 137.336955][ C0] really_probe+0xe15/0x24d0 [ 137.336985][ C0] driver_probe_device+0x29d/0x3a0 [ 137.337005][ C0] __device_attach_driver+0x63f/0x830 [ 137.337021][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.337037][ C0] ? deferred_probe_work_func+0x400/0x400 [ 137.337054][ C0] __device_attach+0x56a/0x890 [ 137.337069][ C0] device_initial_probe+0x4a/0x60 [ 137.337093][ C0] bus_probe_device+0x17e/0x3d0 [ 137.337109][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.337126][ C0] device_add+0x2c15/0x31d0 [ 137.337141][ C0] usb_new_device+0x1bd4/0x2a30 [ 137.337156][ C0] hub_event+0x5b99/0x8870 [ 137.337171][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.337187][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.337204][ C0] ? led_work+0x780/0x780 [ 137.337220][ C0] process_one_work+0x1219/0x1fe0 [ 137.337235][ C0] worker_thread+0x10ec/0x2340 [ 137.337263][ C0] kthread+0x521/0x560 [ 137.337292][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 137.337324][ C0] ? kthread_blkcg+0x110/0x110 [ 137.337354][ C0] ret_from_fork+0x1f/0x30 [ 137.337381][ C0] [ 137.337408][ C0] Local variable ----data@usb_read8 created at: [ 137.337443][ C0] usb_read8+0x5d/0x130 [ 137.337468][ C0] usb_read8+0x5d/0x130 [ 137.337494][ C0] ===================================================== [ 137.337515][ C0] ===================================================== [ 137.337535][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.337556][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 137.337581][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.337605][ C0] Workqueue: usb_hub_wq hub_event [ 137.337633][ C0] Call Trace: [ 137.337646][ C0] dump_stack+0x21c/0x280 [ 137.337660][ C0] kmsan_report+0xfb/0x1e0 [ 137.337674][ C0] __msan_warning+0x5f/0xa0 [ 137.337688][ C0] string+0x573/0x6d0 [ 137.337702][ C0] vsnprintf+0x1acd/0x3600 [ 137.337716][ C0] pointer+0x1b8a/0x1ca0 [ 137.337731][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.337748][ C0] vsnprintf+0x15f2/0x3600 [ 137.337763][ C0] vprintk_store+0x2ab/0x1df0 [ 137.337778][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.337795][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.337812][ C0] vprintk_emit+0x29a/0x7f0 [ 137.337827][ C0] dev_vprintk_emit+0x5f7 [ 137.337852][ C0] Lost 1705 message(s)! [ 138.681508][ T7] ===================================================== [ 138.689007][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 138.696603][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 138.706295][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.716403][ T7] Workqueue: usb_hub_wq hub_event [ 138.721486][ T7] Call Trace: [ 138.724907][ T7] dump_stack+0x21c/0x280 [ 138.729288][ T7] kmsan_report+0xfb/0x1e0 [ 138.733756][ T7] __msan_warning+0x5f/0xa0 [ 138.738340][ T7] r871xu_drv_init+0x1a86/0x2fe0 executing program [ 138.743339][ T7] ? r871x_dev_unload+0x310/0x310 [ 138.748618][ T7] usb_probe_interface+0xfcc/0x1520 [ 138.754582][ T7] ? usb_register_driver+0x900/0x900 [ 138.761492][ T7] really_probe+0xe15/0x24d0 [ 138.766167][ T7] driver_probe_device+0x29d/0x3a0 [ 138.771425][ T7] __device_attach_driver+0x63f/0x830 [ 138.776949][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 138.782188][ T7] ? deferred_probe_work_func+0x400/0x400 [ 138.791857][ T7] __device_attach+0x56a/0x890 [ 138.796685][ T7] device_initial_probe+0x4a/0x60 [ 138.801772][ T7] bus_probe_device+0x17e/0x3d0 [ 138.806750][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.812619][ T7] device_add+0x2c15/0x31d0 [ 138.817186][ T7] usb_set_configuration+0x3872/0x3eb0 [ 138.822813][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 138.830343][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 138.836566][ T7] usb_generic_driver_probe+0x138/0x300 [ 138.842166][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 138.848387][ T7] usb_probe_device+0x317/0x570 [ 138.853284][ T7] ? usb_register_device_driver+0x590/0x590 [ 138.859410][ T7] really_probe+0xe15/0x24d0 [ 138.864372][ T7] driver_probe_device+0x29d/0x3a0 [ 138.869747][ T7] __device_attach_driver+0x63f/0x830 [ 138.875277][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 138.880203][ T7] ? deferred_probe_work_func+0x400/0x400 [ 138.885995][ T7] __device_attach+0x56a/0x890 [ 138.890828][ T7] device_initial_probe+0x4a/0x60 [ 138.896082][ T7] bus_probe_device+0x17e/0x3d0 [ 138.901614][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.907475][ T7] device_add+0x2c15/0x31d0 [ 138.912034][ T7] usb_new_device+0x1bd4/0x2a30 [ 138.916951][ T7] hub_event+0x5b99/0x8870 [ 138.921442][ T7] ? kmsan_get_metadata+0x116/0x180 [ 138.926688][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.932552][ T7] ? led_work+0x780/0x780 [ 138.936927][ T7] process_one_work+0x1219/0x1fe0 [ 138.942003][ T7] worker_thread+0x10ec/0x2340 [ 138.946831][ T7] kthread+0x521/0x560 [ 138.950946][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 138.956185][ T7] ? kthread_blkcg+0x110/0x110 [ 138.961014][ T7] ret_from_fork+0x1f/0x30 [ 138.965650][ T7] [ 138.967998][ T7] Local variable ----data@usb_read8 created at: [ 138.974453][ T7] usb_read8+0x5d/0x130 [ 138.978780][ T7] usb_read8+0x5d/0x130 [ 138.983025][ T7] ===================================================== [ 138.990364][ T7] ===================================================== [ 138.997328][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 139.005102][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 139.014777][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.024927][ T7] Workqueue: usb_hub_wq hub_event [ 139.030104][ T7] Call Trace: [ 139.033409][ T7] dump_stack+0x21c/0x280 [ 139.037794][ T7] kmsan_report+0xfb/0x1e0 [ 139.042290][ T7] __msan_warning+0x5f/0xa0 [ 139.046837][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 139.051841][ T7] ? r871x_dev_unload+0x310/0x310 [ 139.056924][ T7] usb_probe_interface+0xfcc/0x1520 [ 139.062167][ T7] ? usb_register_driver+0x900/0x900 [ 139.067492][ T7] really_probe+0xe15/0x24d0 [ 139.072129][ T7] driver_probe_device+0x29d/0x3a0 [ 139.077288][ T7] __device_attach_driver+0x63f/0x830 [ 139.082702][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 139.087613][ T7] ? deferred_probe_work_func+0x400/0x400 [ 139.093432][ T7] __device_attach+0x56a/0x890 [ 139.098300][ T7] device_initial_probe+0x4a/0x60 [ 139.103374][ T7] bus_probe_device+0x17e/0x3d0 [ 139.108355][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.114208][ T7] device_add+0x2c15/0x31d0 [ 139.119284][ T7] usb_set_configuration+0x3872/0x3eb0 [ 139.124798][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 139.130394][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 139.136607][ T7] usb_generic_driver_probe+0x138/0x300 [ 139.142196][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 139.147959][ T7] usb_probe_device+0x317/0x570 [ 139.153029][ T7] ? usb_register_device_driver+0x590/0x590 [ 139.158996][ T7] really_probe+0xe15/0x24d0 [ 139.163637][ T7] driver_probe_device+0x29d/0x3a0 [ 139.168828][ T7] __device_attach_driver+0x63f/0x830 [ 139.174512][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 139.179407][ T7] ? deferred_probe_work_func+0x400/0x400 [ 139.185416][ T7] __device_attach+0x56a/0x890 [ 139.190231][ T7] device_initial_probe+0x4a/0x60 [ 139.195323][ T7] bus_probe_device+0x17e/0x3d0 [ 139.200255][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.206123][ T7] device_add+0x2c15/0x31d0 [ 139.210676][ T7] usb_new_device+0x1bd4/0x2a30 [ 139.215582][ T7] hub_event+0x5b99/0x8870 [ 139.220168][ T7] ? kmsan_get_metadata+0x116/0x180 [ 139.225421][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.231282][ T7] ? led_work+0x780/0x780 [ 139.235664][ T7] process_one_work+0x1219/0x1fe0 [ 139.240760][ T7] worker_thread+0x10ec/0x2340 [ 139.245600][ T7] kthread+0x521/0x560 [ 139.250233][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 139.256618][ T7] ? kthread_blkcg+0x110/0x110 [ 139.261464][ T7] ret_from_fork+0x1f/0x30 [ 139.265930][ T7] [ 139.268272][ T7] Local variable ----mac@r871xu_drv_init created at: [ 139.275060][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 139.280234][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 139.285314][ T7] ===================================================== [ 139.292747][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 139.300562][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 139.312818][ T7] usb 1-1: USB disconnect, device number 2 [ 139.349540][ T4660] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 139.358790][ T4660] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 139.404295][ T4660] usb 1-1: r8712u: Firmware request failed [ 139.766870][ T7] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 140.006925][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 140.137025][ T7] usb 1-1: config 1 has an invalid interface number: 10 but max is 0 [ 140.145505][ T7] usb 1-1: config 1 has no interface number 0 [ 140.152041][ T7] usb 1-1: New USB device found, idVendor=13d3, idProduct=3339, bcdDevice=f9.1f [ 140.161580][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 140.211930][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 140.218899][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 140.327056][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 140.333104][ C0] ===================================================== [ 140.333131][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.333152][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 140.333178][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.333202][ C0] Workqueue: usb_hub_wq hub_event [ 140.333232][ C0] Call Trace: executing program [ 140.333245][ C0] dump_stack+0x21c/0x280 [ 140.333260][ C0] kmsan_report+0xfb/0x1e0 [ 140.333275][ C0] __msan_warning+0x5f/0xa0 [ 140.333289][ C0] string+0x573/0x6d0 [ 140.333303][ C0] vsnprintf+0x1acd/0x3600 [ 140.333318][ C0] pointer+0x1b8a/0x1ca0 [ 140.333333][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.333350][ C0] vsnprintf+0x15f2/0x3600 [ 140.333364][ C0] vprintk_store+0x2ab/0x1df0 [ 140.333380][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.333397][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.333414][ C0] vprintk_emit+0x29a/0x7f0 [ 140.333428][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 140.333444][ C0] dev_printk_emit+0x1ce/0x210 [ 140.333460][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.333477][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.333493][ C0] __dev_printk+0x3dc/0x458 [ 140.333508][ C0] _dev_info+0x1e5/0x22a [ 140.333522][ C0] ? usb_read8+0xe7/0x130 [ 140.333536][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.333552][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.333575][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 140.333590][ C0] ? r871x_dev_unload+0x310/0x310 [ 140.333606][ C0] usb_probe_interface+0xfcc/0x1520 [ 140.333622][ C0] ? usb_register_driver+0x900/0x900 [ 140.333637][ C0] really_probe+0xe15/0x24d0 [ 140.333652][ C0] driver_probe_device+0x29d/0x3a0 [ 140.333668][ C0] __device_attach_driver+0x63f/0x830 [ 140.333683][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.333699][ C0] ? deferred_probe_work_func+0x400/0x400 [ 140.333715][ C0] __device_attach+0x56a/0x890 [ 140.333731][ C0] device_initial_probe+0x4a/0x60 [ 140.333746][ C0] bus_probe_device+0x17e/0x3d0 [ 140.333767][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.333784][ C0] device_add+0x2c15/0x31d0 [ 140.333799][ C0] usb_set_configuration+0x3872/0x3eb0 [ 140.333822][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 140.333840][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 140.333857][ C0] usb_generic_driver_probe+0x138/0x300 [ 140.333874][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 140.333894][ C0] usb_probe_device+0x317/0x570 [ 140.333925][ C0] ? usb_register_device_driver+0x590/0x590 [ 140.333959][ C0] really_probe+0xe15/0x24d0 [ 140.333992][ C0] driver_probe_device+0x29d/0x3a0 [ 140.334026][ C0] __device_attach_driver+0x63f/0x830 [ 140.334059][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.334091][ C0] ? deferred_probe_work_func+0x400/0x400 [ 140.334109][ C0] __device_attach+0x56a/0x890 [ 140.334124][ C0] device_initial_probe+0x4a/0x60 [ 140.334140][ C0] bus_probe_device+0x17e/0x3d0 [ 140.334156][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.334173][ C0] device_add+0x2c15/0x31d0 [ 140.334188][ C0] usb_new_device+0x1bd4/0x2a30 [ 140.334203][ C0] hub_event+0x5b99/0x8870 [ 140.334218][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.334234][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.334250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.334267][ C0] ? led_work+0x780/0x780 [ 140.334281][ C0] process_one_work+0x1219/0x1fe0 [ 140.334297][ C0] worker_thread+0x12bc/0x2340 [ 140.334311][ C0] kthread+0x521/0x560 [ 140.334325][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 140.334341][ C0] ? kthread_blkcg+0x110/0x110 [ 140.334356][ C0] ret_from_fork+0x1f/0x30 [ 140.334369][ C0] [ 140.334382][ C0] Local variable ----data@usb_read8 created at: [ 140.334403][ C0] usb_read8+0x5d/0x130 [ 140.334418][ C0] usb_read8+0x5d/0x130 [ 140.334434][ C0] ===================================================== [ 140.334454][ C0] ===================================================== [ 140.334473][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.334494][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 140.334518][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.334541][ C0] Workqueue: usb_hub_wq hub_event [ 140.334568][ C0] Call Trace: [ 140.334581][ C0] dump_stack+0x21c/0x280 [ 140.334595][ C0] kmsan_report+0xfb/0x1e0 [ 140.334609][ C0] __msan_warning+0x5f/0xa0 [ 140.334623][ C0] string+0x573/0x6d0 [ 140.334636][ C0] vsnprintf+0x1acd/0x3600 [ 140.334650][ C0] pointer+0x1b8a/0x1ca0 [ 140.334665][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.334681][ C0] vsnprintf+0x15f2/0x3600 [ 140.334695][ C0] vprintk_store+0x2ab/0x1df0 [ 140.334710][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.334727][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.334743][ C0] vprintk_emit+0x29a/0x7f0 [ 140.334766][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 140.334781][ C0] dev_printk_emit+0x1ce/0x210 [ 140.334796][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.334813][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.334830][ C0] __dev_printk+0x3dc/0x458 [ 140.334845][ C0] _dev_info+0x1e5/0x22a [ 140.334859][ C0] ? usb_read8+0xe7/0x130 [ 140.334873][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.334890][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.334906][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 140.334922][ C0] ? r871x_dev_unload+0x310/0x310 [ 140.334937][ C0] usb_probe_interface+0xfcc/0x1520 [ 140.334954][ C0] ? usb_register_driver+0x900/0x900 [ 140.334969][ C0] really_probe+0xe15/0x24d0 [ 140.334984][ C0] driver_probe_device+0x29d/0x3a0 [ 140.335000][ C0] __device_attach_driver+0x63f/0x830 [ 140.335016][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.335031][ C0] ? deferred_probe_work_func+0x400/0x400 [ 140.335048][ C0] __device_attach+0x56a/0x890 [ 140.335064][ C0] device_initial_probe+0x4a/0x60 [ 140.335093][ C0] bus_probe_device+0x17e/0x3d0 [ 140.335125][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.335158][ C0] device_add+0x2c15/0x31d0 [ 140.335188][ C0] usb_set_configuration+0x3872/0x3eb0 [ 140.335222][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 140.335256][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 140.335282][ C0] usb_generic_driver_probe+0x138/0x300 [ 140.335298][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 140.335315][ C0] usb_probe_device+0x317/0x570 [ 140.335331][ C0] ? usb_register_device_driver+0x590/0x590 [ 140.335348][ C0] really_probe+0xe15/0x24d0 [ 140.335363][ C0] driver_probe_device+0x29d/0x3a0 [ 140.335379][ C0] __device_attach_driver+0x63f/0x830 [ 140.335396][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.335417][ C0] ? deferred_probe_work_func+0x400/0x400 [ 140.335434][ C0] __device_attach+0x56a/0x890 [ 140.335449][ C0] device_initial_probe+0x4a/0x60 [ 140.335465][ C0] bus_probe_device+0x17e/0x3d0 [ 140.335481][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.335498][ C0] device_add+0x2c15/0x31d0 [ 140.335512][ C0] usb_new_device+0x1bd4/0x2a30 [ 140.335528][ C0] hub_event+0x5b99/0x8870 [ 140.335543][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.335558][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.335575][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.335591][ C0] ? led_work+0x780/0x780 [ 140.335606][ C0] process_one_work+0x1219/0x1fe0 [ 140.335621][ C0] worker_thread+0x12bc/0x2340 [ 140.335636][ C0] kthread+0x521/0x560 [ 140.335650][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 140.335666][ C0] ? kthread_blkcg+0x110/0x110 [ 140.335681][ C0] ret_from_fork+0x1f/0x30 [ 140.335695][ C0] [ 140.335708][ C0] Local variable ----data@usb_read8 created at: [ 140.335738][ C0] usb_read8+0x5d/0x130 [ 140.335757][ C0] usb_read8+0x5d/0x130 [ 140.335773][ C0] ===================================================== [ 140.335794][ C0] ===================================================== [ 140.335814][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.335834][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 140.335860][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.335883][ C0] Workqueue: usb_hub_wq hub_event [ 140.335910][ C0] Call Trace: [ 140.335923][ C0] dump_stack+0x21c/0x280 [ 140.335937][ C0] kmsan_report+0xfb/0x1e0 [ 140.335952][ C0] __msan_warning+0x5f/0xa0 [ 140.335966][ C0] string+0x573/0x6d0 [ 140.335979][ C0] vsnprintf+0x1acd/0x3600 [ 140.335993][ C0] pointer+0x1b8a/0x1ca0 [ 140.336008][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.336025][ C0] vsnprintf+0x15f2/0x3600 [ 140.336039][ C0] vprintk_store+0x2ab/0x1df0 [ 140.336054][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.336071][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.336088][ C0] vprintk_emit+0x29a/0x7f0 [ 140.336102][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 140.336117][ C0] dev_printk_emit+0x1ce/0x210 [ 140.336133][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.336149][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.336166][ C0] __dev_printk+0x3dc/0x458 [ 140.336180][ C0] _dev_info+0x1e5/0x22a [ 140.336194][ C0] ? usb_read8+0xe7/0x130 [ 140.336208][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.336224][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.336245][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 140.336277][ C0] ? r871x_dev_unload+0x310/0x310 [ 140.336309][ C0] usb_probe_interface+0xfcc/0x1520 [ 140.336341][ C0] ? usb_register_driver+0x900/0x900 [ 140.336374][ C0] really_probe+0xe15/0x24d0 [ 140.336405][ C0] driver_probe_device+0x29d/0x3a0 [ 140.336435][ C0] __device_attach_driver+0x63f/0x830 [ 140.336452][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.336468][ C0] ? deferred_probe_work_func+0x400/0x400 [ 140.336484][ C0] __device_attach+0x56a/0x890 [ 140.336499][ C0] device_initial_probe+0x4a/0x60 [ 140.336515][ C0] bus_probe_device+0x17e/0x3d0 [ 140.336530][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.336547][ C0] device_add+0x2c15/0x31d0 [ 140.336562][ C0] usb_set_configuration+0x3872/0x3eb0 [ 140.336588][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 140.336621][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 140.336654][ C0] usb_generic_driver_probe+0x138/0x300 [ 140.336686][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 140.336720][ C0] usb_probe_device+0x317/0x570 [ 140.336757][ C0] ? usb_register_device_driver+0x590/0x590 [ 140.336791][ C0] really_probe+0xe15/0x24d0 [ 140.336821][ C0] driver_probe_device+0x29d/0x3a0 [ 140.336842][ C0] __device_attach_driver+0x63f/0x830 [ 140.336858][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.336874][ C0] ? deferred_probe_work_func+0x400/0x400 [ 140.336891][ C0] __device_attach+0x56a/0x890 [ 140.336906][ C0] device_initial_probe+0x4a/0x60 [ 140.336922][ C0] bus_probe_device+0x17e/0x3d0 [ 140.336938][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.336955][ C0] device_add+0x2c15/0x31d0 [ 140.336970][ C0] usb_new_device+0x1bd4/0x2a30 [ 140.336985][ C0] hub_event+0x5b99/0x8870 [ 140.337000][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.337016][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.337032][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.337048][ C0] ? led_work+0x780/0x780 [ 140.337062][ C0] process_one_work+0x1219/0x1fe0 [ 140.337078][ C0] worker_thread+0x12bc/0x2340 [ 140.337092][ C0] kthread+0x521/0x560 [ 140.337106][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 140.337122][ C0] ? kthread_blkcg+0x110/0x110 [ 140.337137][ C0] ret_from_fork+0x1f/0x30 [ 140.337150][ C0] [ 140.337163][ C0] Local variable ----data@usb_read8 created at: [ 140.337180][ C0] usb_read8+0x5d/0x130 [ 140.337195][ C0] usb_read8+0x5d/0x130 [ 140.337211][ C0] ===================================================== [ 140.337231][ C0] ===================================================== [ 140.337250][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.337271][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 140.337296][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.337318][ C0] Workqueue: usb_hub_wq hub_event [ 140.337345][ C0] Call Trace: [ 140.337358][ C0] dump_stack+0x21c/0x280 [ 140.337372][ C0] kmsan_report+0xfb/0x1e0 [ 140.337386][ C0] __msan_warning+0x5f/0xa0 [ 140.337400][ C0] string+0x573/0x6d0 [ 140.337416][ C0] vsnprintf+0x1acd/0x3600 [ 140.337445][ C0] pointer+0x1b8a/0x1ca0 [ 140.337475][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.337508][ C0] vsnprintf+0x15f2/0x3600 [ 140.337537][ C0] vprintk_store+0x2ab/0x1df0 [ 140.337568][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.337601][ C0] ? kmsan_get_shadow [ 140.337633][ C0] Lost 1730 message(s)! [ 141.668190][ T7] ===================================================== [ 141.675320][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 141.682762][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 141.692548][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.703012][ T7] Workqueue: usb_hub_wq hub_event [ 141.708100][ T7] Call Trace: [ 141.711425][ T7] dump_stack+0x21c/0x280 [ 141.715986][ T7] kmsan_report+0xfb/0x1e0 [ 141.720443][ T7] __msan_warning+0x5f/0xa0 [ 141.724982][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 141.729970][ T7] ? r871x_dev_unload+0x310/0x310 [ 141.735037][ T7] usb_probe_interface+0xfcc/0x1520 [ 141.740273][ T7] ? usb_register_driver+0x900/0x900 [ 141.745726][ T7] really_probe+0xe15/0x24d0 [ 141.750448][ T7] driver_probe_device+0x29d/0x3a0 [ 141.755603][ T7] __device_attach_driver+0x63f/0x830 [ 141.761023][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 141.765921][ T7] ? deferred_probe_work_func+0x400/0x400 [ 141.771705][ T7] __device_attach+0x56a/0x890 [ 141.776528][ T7] device_initial_probe+0x4a/0x60 [ 141.782466][ T7] bus_probe_device+0x17e/0x3d0 [ 141.788186][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.794219][ T7] device_add+0x2c15/0x31d0 [ 141.798819][ T7] usb_set_configuration+0x3872/0x3eb0 [ 141.804323][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 141.809918][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 141.816036][ T7] usb_generic_driver_probe+0x138/0x300 [ 141.821621][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 141.827507][ T7] usb_probe_device+0x317/0x570 [ 141.832423][ T7] ? usb_register_device_driver+0x590/0x590 [ 141.838357][ T7] really_probe+0xe15/0x24d0 [ 141.843083][ T7] driver_probe_device+0x29d/0x3a0 [ 141.848242][ T7] __device_attach_driver+0x63f/0x830 [ 141.854105][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 141.859349][ T7] ? deferred_probe_work_func+0x400/0x400 [ 141.865264][ T7] __device_attach+0x56a/0x890 [ 141.870142][ T7] device_initial_probe+0x4a/0x60 [ 141.875289][ T7] bus_probe_device+0x17e/0x3d0 [ 141.880257][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.886129][ T7] device_add+0x2c15/0x31d0 [ 141.890768][ T7] usb_new_device+0x1bd4/0x2a30 [ 141.895781][ T7] hub_event+0x5b99/0x8870 [ 141.900239][ T7] ? kmsan_get_metadata+0x116/0x180 [ 141.905598][ T7] ? kmsan_get_metadata+0x116/0x180 [ 141.910865][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.916897][ T7] ? led_work+0x780/0x780 [ 141.921369][ T7] process_one_work+0x1219/0x1fe0 [ 141.926549][ T7] worker_thread+0x12bc/0x2340 [ 141.931414][ T7] kthread+0x521/0x560 [ 141.935664][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 141.940935][ T7] ? kthread_blkcg+0x110/0x110 [ 141.945742][ T7] ret_from_fork+0x1f/0x30 [ 141.950229][ T7] [ 141.952567][ T7] Local variable ----data@usb_read8 created at: [ 141.958909][ T7] usb_read8+0x5d/0x130 [ 141.963121][ T7] usb_read8+0x5d/0x130 [ 141.967313][ T7] ===================================================== [ 141.974459][ T7] ===================================================== [ 141.981608][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 141.989051][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 141.998649][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.008736][ T7] Workqueue: usb_hub_wq hub_event [ 142.013843][ T7] Call Trace: [ 142.017301][ T7] dump_stack+0x21c/0x280 [ 142.021675][ T7] kmsan_report+0xfb/0x1e0 [ 142.026232][ T7] __msan_warning+0x5f/0xa0 [ 142.035303][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 142.040299][ T7] ? r871x_dev_unload+0x310/0x310 [ 142.045545][ T7] usb_probe_interface+0xfcc/0x1520 [ 142.050787][ T7] ? usb_register_driver+0x900/0x900 [ 142.056122][ T7] really_probe+0xe15/0x24d0 [ 142.060762][ T7] driver_probe_device+0x29d/0x3a0 [ 142.065919][ T7] __device_attach_driver+0x63f/0x830 [ 142.071356][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 142.076248][ T7] ? deferred_probe_work_func+0x400/0x400 [ 142.082382][ T7] __device_attach+0x56a/0x890 [ 142.087524][ T7] device_initial_probe+0x4a/0x60 [ 142.092823][ T7] bus_probe_device+0x17e/0x3d0 [ 142.098177][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.104044][ T7] device_add+0x2c15/0x31d0 [ 142.108599][ T7] usb_set_configuration+0x3872/0x3eb0 [ 142.114155][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 142.119751][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 142.125874][ T7] usb_generic_driver_probe+0x138/0x300 [ 142.131472][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 142.138477][ T7] usb_probe_device+0x317/0x570 [ 142.143392][ T7] ? usb_register_device_driver+0x590/0x590 [ 142.149341][ T7] really_probe+0xe15/0x24d0 [ 142.153994][ T7] driver_probe_device+0x29d/0x3a0 [ 142.159170][ T7] __device_attach_driver+0x63f/0x830 [ 142.164599][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 142.169505][ T7] ? deferred_probe_work_func+0x400/0x400 [ 142.175275][ T7] __device_attach+0x56a/0x890 [ 142.180090][ T7] device_initial_probe+0x4a/0x60 [ 142.185369][ T7] bus_probe_device+0x17e/0x3d0 [ 142.190272][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.196173][ T7] device_add+0x2c15/0x31d0 [ 142.200732][ T7] usb_new_device+0x1bd4/0x2a30 [ 142.205661][ T7] hub_event+0x5b99/0x8870 [ 142.210131][ T7] ? kmsan_get_metadata+0x116/0x180 [ 142.215540][ T7] ? kmsan_get_metadata+0x116/0x180 [ 142.220922][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.226783][ T7] ? led_work+0x780/0x780 [ 142.231165][ T7] process_one_work+0x1219/0x1fe0 [ 142.236262][ T7] worker_thread+0x12bc/0x2340 [ 142.241095][ T7] kthread+0x521/0x560 [ 142.245203][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 142.250452][ T7] ? kthread_blkcg+0x110/0x110 [ 142.255292][ T7] ret_from_fork+0x1f/0x30 [ 142.259799][ T7] [ 142.262194][ T7] Local variable ----mac@r871xu_drv_init created at: [ 142.268883][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 142.273985][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 142.278993][ T7] ===================================================== [ 142.286196][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 142.294102][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 142.371547][ T4660] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 142.380781][ T4660] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 142.398484][ T7] usb 1-1: USB disconnect, device number 3 [ 142.427768][ T4660] usb 1-1: r8712u: Firmware request failed [ 142.796802][ T7] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 143.036755][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 143.157123][ T7] usb 1-1: config 1 has an invalid interface number: 10 but max is 0 [ 143.165422][ T7] usb 1-1: config 1 has no interface number 0 [ 143.171933][ T7] usb 1-1: New USB device found, idVendor=13d3, idProduct=3339, bcdDevice=f9.1f [ 143.181404][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 143.235515][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 143.242412][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 143.347013][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 143.352445][ C0] ===================================================== [ 143.352472][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.352494][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 143.352520][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.352544][ C0] Workqueue: usb_hub_wq hub_event [ 143.352575][ C0] Call Trace: [ 143.352588][ C0] dump_stack+0x21c/0x280 [ 143.352603][ C0] kmsan_report+0xfb/0x1e0 [ 143.352618][ C0] __msan_warning+0x5f/0xa0 [ 143.352632][ C0] string+0x573/0x6d0 [ 143.352649][ C0] vsnprintf+0x1acd/0x3600 [ 143.352664][ C0] pointer+0x1b8a/0x1ca0 [ 143.352679][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.352696][ C0] vsnprintf+0x15f2/0x3600 [ 143.352710][ C0] vprintk_store+0x2ab/0x1df0 [ 143.352726][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.352743][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.352759][ C0] vprintk_emit+0x29a/0x7f0 [ 143.352774][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.352789][ C0] dev_printk_emit+0x1ce/0x210 [ 143.352805][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.352823][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.352839][ C0] __dev_printk+0x3dc/0x458 [ 143.352854][ C0] _dev_info+0x1e5/0x22a [ 143.352868][ C0] ? usb_read8+0xe7/0x130 [ 143.352882][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.352903][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.352920][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.352935][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.352951][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.352967][ C0] ? usb_register_driver+0x900/0x900 [ 143.352983][ C0] really_probe+0xe15/0x24d0 [ 143.352999][ C0] driver_probe_device+0x29d/0x3a0 [ 143.353014][ C0] __device_attach_driver+0x63f/0x830 [ 143.353031][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.353046][ C0] ? deferred_probe_work_func+0x400/0x400 [ 143.353063][ C0] __device_attach+0x56a/0x890 [ 143.353078][ C0] device_initial_probe+0x4a/0x60 [ 143.353095][ C0] bus_probe_device+0x17e/0x3d0 [ 143.353112][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.353128][ C0] device_add+0x2c15/0x31d0 [ 143.353143][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.353160][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 143.353177][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.353194][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.353211][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.353228][ C0] usb_probe_device+0x317/0x570 [ 143.353244][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.353260][ C0] really_probe+0xe15/0x24d0 [ 143.353275][ C0] driver_probe_device+0x29d/0x3a0 [ 143.353291][ C0] __device_attach_driver+0x63f/0x830 [ 143.353308][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.353324][ C0] ? deferred_probe_work_func+0x400/0x400 [ 143.353340][ C0] __device_attach+0x56a/0x890 [ 143.353356][ C0] device_initial_probe+0x4a/0x60 [ 143.353378][ C0] bus_probe_device+0x17e/0x3d0 [ 143.353394][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.353410][ C0] device_add+0x2c15/0x31d0 [ 143.353426][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.353441][ C0] hub_event+0x5b99/0x8870 [ 143.353456][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.353473][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.353489][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.353506][ C0] ? led_work+0x780/0x780 [ 143.353521][ C0] process_one_work+0x1219/0x1fe0 [ 143.353536][ C0] worker_thread+0x12bc/0x2340 [ 143.353551][ C0] kthread+0x521/0x560 [ 143.353565][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.353581][ C0] ? kthread_blkcg+0x110/0x110 [ 143.353596][ C0] ret_from_fork+0x1f/0x30 [ 143.353609][ C0] [ 143.353622][ C0] Local variable ----data@usb_read8 created at: [ 143.353640][ C0] usb_read8+0x5d/0x130 [ 143.353654][ C0] usb_read8+0x5d/0x130 [ 143.353671][ C0] ===================================================== [ 143.353691][ C0] ===================================================== [ 143.353711][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.353732][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 143.353757][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.353780][ C0] Workqueue: usb_hub_wq hub_event [ 143.353817][ C0] Call Trace: [ 143.353830][ C0] dump_stack+0x21c/0x280 [ 143.353844][ C0] kmsan_report+0xfb/0x1e0 [ 143.353858][ C0] __msan_warning+0x5f/0xa0 [ 143.353872][ C0] string+0x573/0x6d0 [ 143.353885][ C0] vsnprintf+0x1acd/0x3600 [ 143.353903][ C0] pointer+0x1b8a/0x1ca0 [ 143.353918][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.353934][ C0] vsnprintf+0x15f2/0x3600 [ 143.353949][ C0] vprintk_store+0x2ab/0x1df0 [ 143.353964][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.353981][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.353997][ C0] vprintk_emit+0x29a/0x7f0 [ 143.354012][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.354027][ C0] dev_printk_emit+0x1ce/0x210 [ 143.354042][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.354059][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.354076][ C0] __dev_printk+0x3dc/0x458 [ 143.354091][ C0] _dev_info+0x1e5/0x22a [ 143.354105][ C0] ? usb_read8+0xe7/0x130 [ 143.354120][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.354136][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.354153][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.354168][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.354184][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.354200][ C0] ? usb_register_driver+0x900/0x900 [ 143.354216][ C0] really_probe+0xe15/0x24d0 [ 143.354231][ C0] driver_probe_device+0x29d/0x3a0 [ 143.354247][ C0] __device_attach_driver+0x63f/0x830 [ 143.354263][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.354279][ C0] ? deferred_probe_work_func+0x400/0x400 [ 143.354300][ C0] __device_attach+0x56a/0x890 [ 143.354315][ C0] device_initial_probe+0x4a/0x60 [ 143.354331][ C0] bus_probe_device+0x17e/0x3d0 [ 143.354346][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.354363][ C0] device_add+0x2c15/0x31d0 [ 143.354378][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.354395][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 143.354412][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.354430][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.354447][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.354464][ C0] usb_probe_device+0x317/0x570 [ 143.354480][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.354497][ C0] really_probe+0xe15/0x24d0 [ 143.354512][ C0] driver_probe_device+0x29d/0x3a0 [ 143.354529][ C0] __device_attach_driver+0x63f/0x830 [ 143.354545][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.354561][ C0] ? deferred_probe_work_func+0x400/0x400 [ 143.354577][ C0] __device_attach+0x56a/0x890 [ 143.354593][ C0] device_initial_probe+0x4a/0x60 [ 143.354608][ C0] bus_probe_device+0x17e/0x3d0 [ 143.354624][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.354640][ C0] device_add+0x2c15/0x31d0 [ 143.354655][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.354670][ C0] hub_event+0x5b99/0x8870 [ 143.354685][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.354700][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.354717][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.354733][ C0] ? led_work+0x780/0x780 [ 143.354748][ C0] process_one_work+0x1219/0x1fe0 [ 143.354763][ C0] worker_thread+0x12bc/0x2340 [ 143.354777][ C0] kthread+0x521/0x560 [ 143.354791][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.354807][ C0] ? kthread_blkcg+0x110/0x110 [ 143.354822][ C0] ret_from_fork+0x1f/0x30 [ 143.354835][ C0] [ 143.354848][ C0] Local variable ----data@usb_read8 created at: [ 143.354866][ C0] usb_read8+0x5d/0x130 [ 143.354881][ C0] usb_read8+0x5d/0x130 [ 143.354903][ C0] ===================================================== [ 143.354924][ C0] ===================================================== [ 143.354944][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.354964][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 143.354990][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.355013][ C0] Workqueue: usb_hub_wq hub_event [ 143.355041][ C0] Call Trace: [ 143.355054][ C0] dump_stack+0x21c/0x280 [ 143.355068][ C0] kmsan_report+0xfb/0x1e0 [ 143.355083][ C0] __msan_warning+0x5f/0xa0 [ 143.355097][ C0] string+0x573/0x6d0 [ 143.355111][ C0] vsnprintf+0x1acd/0x3600 [ 143.355125][ C0] pointer+0x1b8a/0x1ca0 [ 143.355139][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.355156][ C0] vsnprintf+0x15f2/0x3600 [ 143.355170][ C0] vprintk_store+0x2ab/0x1df0 [ 143.355186][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.355202][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.355219][ C0] vprintk_emit+0x29a/0x7f0 [ 143.355233][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.355248][ C0] dev_printk_emit+0x1ce/0x210 [ 143.355264][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.355281][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.355297][ C0] __dev_printk+0x3dc/0x458 [ 143.355311][ C0] _dev_info+0x1e5/0x22a [ 143.355325][ C0] ? usb_read8+0xe7/0x130 [ 143.355340][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.355355][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.355372][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.355387][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.355403][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.355419][ C0] ? usb_register_driver+0x900/0x900 [ 143.355434][ C0] really_probe+0xe15/0x24d0 [ 143.355449][ C0] driver_probe_device+0x29d/0x3a0 [ 143.355465][ C0] __device_attach_driver+0x63f/0x830 [ 143.355481][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.355496][ C0] ? deferred_probe_work_func+0x400/0x400 [ 143.355513][ C0] __device_attach+0x56a/0x890 [ 143.355528][ C0] device_initial_probe+0x4a/0x60 [ 143.355543][ C0] bus_probe_device+0x17e/0x3d0 [ 143.355558][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.355575][ C0] device_add+0x2c15/0x31d0 [ 143.355590][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.355607][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 143.355623][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.355641][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.355658][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.355674][ C0] usb_probe_device+0x317/0x570 [ 143.355690][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.355707][ C0] really_probe+0xe15/0x24d0 [ 143.355737][ C0] driver_probe_device+0x29d/0x3a0 [ 143.355753][ C0] __device_attach_driver+0x63f/0x830 [ 143.355769][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.355785][ C0] ? deferred_probe_work_func+0x400/0x400 [ 143.355801][ C0] __device_attach+0x56a/0x890 [ 143.355817][ C0] device_initial_probe+0x4a/0x60 [ 143.355833][ C0] bus_probe_device+0x17e/0x3d0 [ 143.355849][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.355865][ C0] device_add+0x2c15/0x31d0 [ 143.355880][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.355899][ C0] hub_event+0x5b99/0x8870 [ 143.355914][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.355930][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.355946][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.355963][ C0] ? led_work+0x780/0x780 [ 143.355977][ C0] process_one_work+0x1219/0x1fe0 [ 143.355993][ C0] worker_thread+0x12bc/0x2340 [ 143.356008][ C0] kthread+0x521/0x560 [ 143.356022][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.356037][ C0] ? kthread_blkcg+0x110/0x110 [ 143.356052][ C0] ret_from_fork+0x1f/0x30 [ 143.356066][ C0] [ 143.356078][ C0] Local variable ----data@usb_read8 created at: [ 143.356096][ C0] usb_read8+0x5d/0x130 [ 143.356111][ C0] usb_read8+0x5d/0x130 [ 143.356127][ C0] ===================================================== [ 143.356147][ C0] ===================================================== [ 143.356166][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.356187][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 143.356212][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.356236][ C0] Workqueue: usb_hub_wq hub_event [ 143.356262][ C0] Call Trace: [ 143.356275][ C0] dump_stack+0x21c/0x280 [ 143.356289][ C0] kmsan_report+0xfb/0x1e0 [ 143.356304][ C0] __msan_warning+0x5f/0xa0 [ 143.356318][ C0] string+0x573/0x6d0 [ 143.356332][ C0] vsnprintf+0x1acd/0x3600 [ 143.356346][ C0] pointer+0x1b8a/0x1ca0 [ 143.356361][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.356378][ C0] vsnprintf+0x15f2/0x3600 [ 143.356393][ C0] vprintk_store+0x2ab/0x1df0 [ 143.356408][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.356425][ C0] ? kmsan_get_shadow [ 143.356449][ C0] Lost 1730 message(s)! [ 144.669443][ T7] ===================================================== [ 144.676411][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 144.683844][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 144.693560][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.703646][ T7] Workqueue: usb_hub_wq hub_event [ 144.708717][ T7] Call Trace: [ 144.712021][ T7] dump_stack+0x21c/0x280 [ 144.716391][ T7] kmsan_report+0xfb/0x1e0 [ 144.720873][ T7] __msan_warning+0x5f/0xa0 [ 144.725417][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 144.730404][ T7] ? r871x_dev_unload+0x310/0x310 [ 144.736537][ T7] usb_probe_interface+0xfcc/0x1520 [ 144.741791][ T7] ? usb_register_driver+0x900/0x900 [ 144.747113][ T7] really_probe+0xe15/0x24d0 [ 144.751789][ T7] driver_probe_device+0x29d/0x3a0 [ 144.756950][ T7] __device_attach_driver+0x63f/0x830 [ 144.762366][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 144.767266][ T7] ? deferred_probe_work_func+0x400/0x400 [ 144.773074][ T7] __device_attach+0x56a/0x890 [ 144.778185][ T7] device_initial_probe+0x4a/0x60 [ 144.783272][ T7] bus_probe_device+0x17e/0x3d0 [ 144.788179][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.794027][ T7] device_add+0x2c15/0x31d0 [ 144.798597][ T7] usb_set_configuration+0x3872/0x3eb0 [ 144.804124][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 144.809712][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 144.815844][ T7] usb_generic_driver_probe+0x138/0x300 [ 144.821564][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 144.827365][ T7] usb_probe_device+0x317/0x570 [ 144.832373][ T7] ? usb_register_device_driver+0x590/0x590 [ 144.838307][ T7] really_probe+0xe15/0x24d0 [ 144.843022][ T7] driver_probe_device+0x29d/0x3a0 [ 144.848173][ T7] __device_attach_driver+0x63f/0x830 [ 144.853599][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 144.859443][ T7] ? deferred_probe_work_func+0x400/0x400 [ 144.865300][ T7] __device_attach+0x56a/0x890 [ 144.870111][ T7] device_initial_probe+0x4a/0x60 [ 144.875285][ T7] bus_probe_device+0x17e/0x3d0 [ 144.880197][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.886075][ T7] device_add+0x2c15/0x31d0 [ 144.890628][ T7] usb_new_device+0x1bd4/0x2a30 [ 144.895526][ T7] hub_event+0x5b99/0x8870 [ 144.899984][ T7] ? kmsan_get_metadata+0x116/0x180 [ 144.905241][ T7] ? kmsan_get_metadata+0x116/0x180 [ 144.911370][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.917265][ T7] ? led_work+0x780/0x780 [ 144.921637][ T7] process_one_work+0x1219/0x1fe0 [ 144.926718][ T7] worker_thread+0x12bc/0x2340 [ 144.931542][ T7] kthread+0x521/0x560 [ 144.935655][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 144.940927][ T7] ? kthread_blkcg+0x110/0x110 [ 144.945754][ T7] ret_from_fork+0x1f/0x30 [ 144.950234][ T7] [ 144.952583][ T7] Local variable ----data@usb_read8 created at: [ 144.958922][ T7] usb_read8+0x5d/0x130 executing program [ 144.963116][ T7] usb_read8+0x5d/0x130 [ 144.967310][ T7] ===================================================== [ 144.974778][ T7] ===================================================== [ 144.982195][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 144.989693][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 144.999251][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.009367][ T7] Workqueue: usb_hub_wq hub_event [ 145.014638][ T7] Call Trace: [ 145.017939][ T7] dump_stack+0x21c/0x280 [ 145.022308][ T7] kmsan_report+0xfb/0x1e0 [ 145.026769][ T7] __msan_warning+0x5f/0xa0 [ 145.031592][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 145.036582][ T7] ? r871x_dev_unload+0x310/0x310 [ 145.041652][ T7] usb_probe_interface+0xfcc/0x1520 [ 145.046890][ T7] ? usb_register_driver+0x900/0x900 [ 145.052279][ T7] really_probe+0xe15/0x24d0 [ 145.056924][ T7] driver_probe_device+0x29d/0x3a0 [ 145.062120][ T7] __device_attach_driver+0x63f/0x830 [ 145.067625][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 145.072523][ T7] ? deferred_probe_work_func+0x400/0x400 [ 145.078468][ T7] __device_attach+0x56a/0x890 [ 145.083402][ T7] device_initial_probe+0x4a/0x60 [ 145.088472][ T7] bus_probe_device+0x17e/0x3d0 [ 145.093374][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.099481][ T7] device_add+0x2c15/0x31d0 [ 145.104116][ T7] usb_set_configuration+0x3872/0x3eb0 [ 145.109611][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 145.115182][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.121284][ T7] usb_generic_driver_probe+0x138/0x300 [ 145.126854][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 145.132708][ T7] usb_probe_device+0x317/0x570 [ 145.137611][ T7] ? usb_register_device_driver+0x590/0x590 [ 145.143558][ T7] really_probe+0xe15/0x24d0 [ 145.148178][ T7] driver_probe_device+0x29d/0x3a0 [ 145.153348][ T7] __device_attach_driver+0x63f/0x830 [ 145.158756][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 145.163771][ T7] ? deferred_probe_work_func+0x400/0x400 [ 145.169541][ T7] __device_attach+0x56a/0x890 [ 145.174318][ T7] device_initial_probe+0x4a/0x60 [ 145.179706][ T7] bus_probe_device+0x17e/0x3d0 [ 145.184712][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.190611][ T7] device_add+0x2c15/0x31d0 [ 145.195140][ T7] usb_new_device+0x1bd4/0x2a30 [ 145.200012][ T7] hub_event+0x5b99/0x8870 [ 145.204491][ T7] ? kmsan_get_metadata+0x116/0x180 [ 145.209833][ T7] ? kmsan_get_metadata+0x116/0x180 [ 145.215104][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.220934][ T7] ? led_work+0x780/0x780 [ 145.225270][ T7] process_one_work+0x1219/0x1fe0 [ 145.230333][ T7] worker_thread+0x12bc/0x2340 [ 145.235130][ T7] kthread+0x521/0x560 [ 145.239220][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 145.244457][ T7] ? kthread_blkcg+0x110/0x110 [ 145.249234][ T7] ret_from_fork+0x1f/0x30 [ 145.253666][ T7] [ 145.256002][ T7] Local variable ----mac@r871xu_drv_init created at: [ 145.262663][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 145.267691][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 145.272630][ T7] ===================================================== [ 145.279846][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 145.287756][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 145.299296][ T4660] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 145.308609][ T4660] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 145.318398][ T7] usb 1-1: USB disconnect, device number 4 [ 145.339744][ T4660] usb 1-1: r8712u: Firmware request failed [ 145.697089][ T7] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 145.936664][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 146.056770][ T7] usb 1-1: config 1 has an invalid interface number: 10 but max is 0 [ 146.065241][ T7] usb 1-1: config 1 has no interface number 0 [ 146.071735][ T7] usb 1-1: New USB device found, idVendor=13d3, idProduct=3339, bcdDevice=f9.1f [ 146.081502][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 146.134135][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 146.141692][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 146.246809][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 146.252781][ C0] ===================================================== [ 146.252809][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 146.252830][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 146.252859][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.252883][ C0] Workqueue: usb_hub_wq hub_event [ 146.252912][ C0] Call Trace: executing program [ 146.252926][ C0] dump_stack+0x21c/0x280 [ 146.252942][ C0] kmsan_report+0xfb/0x1e0 [ 146.252957][ C0] __msan_warning+0x5f/0xa0 [ 146.252985][ C0] string+0x573/0x6d0 [ 146.253013][ C0] vsnprintf+0x1acd/0x3600 [ 146.253042][ C0] pointer+0x1b8a/0x1ca0 [ 146.253073][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.253108][ C0] vsnprintf+0x15f2/0x3600 [ 146.253138][ C0] vprintk_store+0x2ab/0x1df0 [ 146.253168][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.253187][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.253204][ C0] vprintk_emit+0x29a/0x7f0 [ 146.253218][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 146.253234][ C0] dev_printk_emit+0x1ce/0x210 [ 146.253256][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 146.253273][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.253290][ C0] __dev_printk+0x3dc/0x458 [ 146.253304][ C0] _dev_info+0x1e5/0x22a [ 146.253318][ C0] ? usb_read8+0xe7/0x130 [ 146.253334][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 146.253350][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 146.253367][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 146.253382][ C0] ? r871x_dev_unload+0x310/0x310 [ 146.253398][ C0] usb_probe_interface+0xfcc/0x1520 [ 146.253414][ C0] ? usb_register_driver+0x900/0x900 [ 146.253429][ C0] really_probe+0xe15/0x24d0 [ 146.253444][ C0] driver_probe_device+0x29d/0x3a0 [ 146.253460][ C0] __device_attach_driver+0x63f/0x830 [ 146.253476][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.253492][ C0] ? deferred_probe_work_func+0x400/0x400 [ 146.253509][ C0] __device_attach+0x56a/0x890 [ 146.253524][ C0] device_initial_probe+0x4a/0x60 [ 146.253539][ C0] bus_probe_device+0x17e/0x3d0 [ 146.253555][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.253571][ C0] device_add+0x2c15/0x31d0 [ 146.253586][ C0] usb_set_configuration+0x3872/0x3eb0 [ 146.253603][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 146.253619][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 146.253637][ C0] usb_generic_driver_probe+0x138/0x300 [ 146.253653][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 146.253669][ C0] usb_probe_device+0x317/0x570 [ 146.253685][ C0] ? usb_register_device_driver+0x590/0x590 [ 146.253701][ C0] really_probe+0xe15/0x24d0 [ 146.253716][ C0] driver_probe_device+0x29d/0x3a0 [ 146.253732][ C0] __device_attach_driver+0x63f/0x830 [ 146.253751][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.253767][ C0] ? deferred_probe_work_func+0x400/0x400 [ 146.253783][ C0] __device_attach+0x56a/0x890 [ 146.253798][ C0] device_initial_probe+0x4a/0x60 [ 146.253820][ C0] bus_probe_device+0x17e/0x3d0 [ 146.253835][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.253851][ C0] device_add+0x2c15/0x31d0 [ 146.253866][ C0] usb_new_device+0x1bd4/0x2a30 [ 146.253881][ C0] hub_event+0x5b99/0x8870 [ 146.253895][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.253911][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.253927][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.253944][ C0] ? led_work+0x780/0x780 [ 146.253958][ C0] process_one_work+0x1219/0x1fe0 [ 146.253974][ C0] worker_thread+0x12bc/0x2340 [ 146.253989][ C0] kthread+0x521/0x560 [ 146.254006][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 146.254022][ C0] ? kthread_blkcg+0x110/0x110 [ 146.254037][ C0] ret_from_fork+0x1f/0x30 [ 146.254050][ C0] [ 146.254064][ C0] Local variable ----data@usb_read8 created at: [ 146.254082][ C0] usb_read8+0x5d/0x130 [ 146.254097][ C0] usb_read8+0x5d/0x130 [ 146.254113][ C0] ===================================================== [ 146.254133][ C0] ===================================================== [ 146.254174][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 146.254216][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 146.254276][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.254323][ C0] Workqueue: usb_hub_wq hub_event [ 146.254364][ C0] Call Trace: [ 146.254377][ C0] dump_stack+0x21c/0x280 [ 146.254392][ C0] kmsan_report+0xfb/0x1e0 [ 146.254407][ C0] __msan_warning+0x5f/0xa0 [ 146.254421][ C0] string+0x573/0x6d0 [ 146.254435][ C0] vsnprintf+0x1acd/0x3600 [ 146.254449][ C0] pointer+0x1b8a/0x1ca0 [ 146.254464][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.254481][ C0] vsnprintf+0x15f2/0x3600 [ 146.254495][ C0] vprintk_store+0x2ab/0x1df0 [ 146.254511][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.254528][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.254544][ C0] vprintk_emit+0x29a/0x7f0 [ 146.254559][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 146.254574][ C0] dev_printk_emit+0x1ce/0x210 [ 146.254589][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 146.254606][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.254623][ C0] __dev_printk+0x3dc/0x458 [ 146.254638][ C0] _dev_info+0x1e5/0x22a [ 146.254652][ C0] ? usb_read8+0xe7/0x130 [ 146.254666][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 146.254683][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 146.254699][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 146.254714][ C0] ? r871x_dev_unload+0x310/0x310 [ 146.254730][ C0] usb_probe_interface+0xfcc/0x1520 [ 146.254749][ C0] ? usb_register_driver+0x900/0x900 [ 146.254765][ C0] really_probe+0xe15/0x24d0 [ 146.254780][ C0] driver_probe_device+0x29d/0x3a0 [ 146.254796][ C0] __device_attach_driver+0x63f/0x830 [ 146.254812][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.254828][ C0] ? deferred_probe_work_func+0x400/0x400 [ 146.254844][ C0] __device_attach+0x56a/0x890 [ 146.254859][ C0] device_initial_probe+0x4a/0x60 [ 146.254875][ C0] bus_probe_device+0x17e/0x3d0 [ 146.254891][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.254908][ C0] device_add+0x2c15/0x31d0 [ 146.254923][ C0] usb_set_configuration+0x3872/0x3eb0 [ 146.254939][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 146.254956][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 146.254974][ C0] usb_generic_driver_probe+0x138/0x300 [ 146.254990][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 146.255008][ C0] usb_probe_device+0x317/0x570 [ 146.255023][ C0] ? usb_register_device_driver+0x590/0x590 [ 146.255040][ C0] really_probe+0xe15/0x24d0 [ 146.255055][ C0] driver_probe_device+0x29d/0x3a0 [ 146.255071][ C0] __device_attach_driver+0x63f/0x830 [ 146.255087][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.255103][ C0] ? deferred_probe_work_func+0x400/0x400 [ 146.255119][ C0] __device_attach+0x56a/0x890 [ 146.255134][ C0] device_initial_probe+0x4a/0x60 [ 146.255149][ C0] bus_probe_device+0x17e/0x3d0 [ 146.255165][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.255181][ C0] device_add+0x2c15/0x31d0 [ 146.255196][ C0] usb_new_device+0x1bd4/0x2a30 [ 146.255211][ C0] hub_event+0x5b99/0x8870 [ 146.255225][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.255241][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.255263][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.255279][ C0] ? led_work+0x780/0x780 [ 146.255293][ C0] process_one_work+0x1219/0x1fe0 [ 146.255313][ C0] worker_thread+0x12bc/0x2340 [ 146.255343][ C0] kthread+0x521/0x560 [ 146.255371][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 146.255402][ C0] ? kthread_blkcg+0x110/0x110 [ 146.255433][ C0] ret_from_fork+0x1f/0x30 [ 146.255460][ C0] [ 146.255487][ C0] Local variable ----data@usb_read8 created at: [ 146.255513][ C0] usb_read8+0x5d/0x130 [ 146.255528][ C0] usb_read8+0x5d/0x130 [ 146.255544][ C0] ===================================================== [ 146.255565][ C0] ===================================================== [ 146.255584][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 146.255605][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 146.255630][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.255654][ C0] Workqueue: usb_hub_wq hub_event [ 146.255681][ C0] Call Trace: [ 146.255694][ C0] dump_stack+0x21c/0x280 [ 146.255708][ C0] kmsan_report+0xfb/0x1e0 [ 146.255737][ C0] __msan_warning+0x5f/0xa0 [ 146.255754][ C0] string+0x573/0x6d0 [ 146.255768][ C0] vsnprintf+0x1acd/0x3600 [ 146.255782][ C0] pointer+0x1b8a/0x1ca0 [ 146.255797][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.255813][ C0] vsnprintf+0x15f2/0x3600 [ 146.255828][ C0] vprintk_store+0x2ab/0x1df0 [ 146.255844][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.255861][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.255877][ C0] vprintk_emit+0x29a/0x7f0 [ 146.255892][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 146.255911][ C0] dev_printk_emit+0x1ce/0x210 [ 146.255927][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 146.255944][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.255960][ C0] __dev_printk+0x3dc/0x458 [ 146.255974][ C0] _dev_info+0x1e5/0x22a [ 146.255989][ C0] ? usb_read8+0xe7/0x130 [ 146.256003][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 146.256019][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 146.256035][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 146.256050][ C0] ? r871x_dev_unload+0x310/0x310 [ 146.256066][ C0] usb_probe_interface+0xfcc/0x1520 [ 146.256082][ C0] ? usb_register_driver+0x900/0x900 [ 146.256097][ C0] really_probe+0xe15/0x24d0 [ 146.256112][ C0] driver_probe_device+0x29d/0x3a0 [ 146.256128][ C0] __device_attach_driver+0x63f/0x830 [ 146.256143][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.256162][ C0] ? deferred_probe_work_func+0x400/0x400 [ 146.256178][ C0] __device_attach+0x56a/0x890 [ 146.256193][ C0] device_initial_probe+0x4a/0x60 [ 146.256209][ C0] bus_probe_device+0x17e/0x3d0 [ 146.256224][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.256240][ C0] device_add+0x2c15/0x31d0 [ 146.256261][ C0] usb_set_configuration+0x3872/0x3eb0 [ 146.256277][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 146.256294][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 146.256311][ C0] usb_generic_driver_probe+0x138/0x300 [ 146.256331][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 146.256348][ C0] usb_probe_device+0x317/0x570 [ 146.256363][ C0] ? usb_register_device_driver+0x590/0x590 [ 146.256380][ C0] really_probe+0xe15/0x24d0 [ 146.256395][ C0] driver_probe_device+0x29d/0x3a0 [ 146.256411][ C0] __device_attach_driver+0x63f/0x830 [ 146.256447][ C0] bus_for_each_drv+0x2c8/0x3f0