[ 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 '10.128.0.44' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 134.473624][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 134.843777][ T7] usb 1-1: config 0 has an invalid interface number: 140 but max is 0 [ 134.853964][ T7] usb 1-1: config 0 has no interface number 0 [ 134.860375][ T7] usb 1-1: New USB device found, idVendor=0eb0, idProduct=9061, bcdDevice=b1.77 [ 134.870331][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 134.881793][ T7] usb 1-1: config 0 descriptor?? [ 134.932100][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 134.939187][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 135.043810][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 135.049330][ C0] ===================================================== [ 135.049355][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 135.049376][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.11.0-rc7-syzkaller #0 [ 135.049400][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.049423][ C0] Workqueue: usb_hub_wq hub_event [ 135.049453][ C0] Call Trace: [ 135.049467][ C0] dump_stack+0x21c/0x280 [ 135.049481][ C0] kmsan_report+0xfb/0x1e0 [ 135.049496][ C0] __msan_warning+0x5f/0xa0 [ 135.049511][ C0] string+0x573/0x6d0 [ 135.049525][ C0] vsnprintf+0x1acd/0x3600 [ 135.049544][ C0] pointer+0x1b8a/0x1ca0 [ 135.049558][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.049575][ C0] vsnprintf+0x15f2/0x3600 [ 135.049590][ C0] vprintk_store+0x2ab/0x1df0 [ 135.049605][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 135.049623][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.049640][ C0] vprintk_emit+0x29a/0x7f0 [ 135.049654][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 135.049670][ C0] dev_printk_emit+0x1ce/0x210 [ 135.049686][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 135.049703][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.049719][ C0] __dev_printk+0x3dc/0x458 [ 135.049734][ C0] _dev_info+0x1e5/0x22a [ 135.049748][ C0] ? usb_read8+0xe7/0x130 [ 135.049762][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 135.049779][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 135.049795][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 135.049810][ C0] ? r871x_dev_unload+0x310/0x310 [ 135.049826][ C0] usb_probe_interface+0xfcc/0x1520 [ 135.049841][ C0] ? usb_register_driver+0x900/0x900 [ 135.049857][ C0] really_probe+0xe15/0x24d0 [ 135.049872][ C0] driver_probe_device+0x29d/0x3a0 [ 135.049888][ C0] __device_attach_driver+0x63f/0x830 [ 135.049904][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 135.049919][ C0] ? deferred_probe_work_func+0x400/0x400 [ 135.049936][ C0] __device_attach+0x56a/0x890 [ 135.049951][ C0] device_initial_probe+0x4a/0x60 [ 135.049969][ C0] bus_probe_device+0x17e/0x3d0 [ 135.049985][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.050001][ C0] device_add+0x2c15/0x31d0 [ 135.050016][ C0] usb_set_configuration+0x3872/0x3eb0 [ 135.050035][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 135.050053][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 135.050070][ C0] usb_generic_driver_probe+0x138/0x300 [ 135.050087][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 135.050103][ C0] usb_probe_device+0x317/0x570 [ 135.050126][ C0] ? usb_register_device_driver+0x590/0x590 [ 135.050142][ C0] really_probe+0xe15/0x24d0 [ 135.050160][ C0] driver_probe_device+0x29d/0x3a0 [ 135.050176][ C0] __device_attach_driver+0x63f/0x830 [ 135.050192][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 135.050208][ C0] ? deferred_probe_work_func+0x400/0x400 [ 135.050224][ C0] __device_attach+0x56a/0x890 [ 135.050239][ C0] device_initial_probe+0x4a/0x60 [ 135.050255][ C0] bus_probe_device+0x17e/0x3d0 [ 135.050290][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.050307][ C0] device_add+0x2c15/0x31d0 [ 135.050322][ C0] usb_new_device+0x1bd4/0x2a30 [ 135.050337][ C0] hub_event+0x5b99/0x8870 [ 135.050352][ C0] ? kmsan_get_metadata+0x116/0x180 [ 135.050369][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.050385][ C0] ? led_work+0x780/0x780 [ 135.050400][ C0] process_one_work+0x1219/0x1fe0 [ 135.050416][ C0] worker_thread+0x10ec/0x2340 [ 135.050431][ C0] kthread+0x521/0x560 [ 135.050445][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 135.050460][ C0] ? kthread_blkcg+0x110/0x110 [ 135.050475][ C0] ret_from_fork+0x1f/0x30 [ 135.050489][ C0] [ 135.050502][ C0] Local variable ----data@usb_read8 created at: [ 135.050520][ C0] usb_read8+0x5d/0x130 [ 135.050538][ C0] usb_read8+0x5d/0x130 [ 135.050554][ C0] ===================================================== [ 135.050574][ C0] Disabling lock debugging due to kernel taint [ 135.050593][ C0] ===================================================== [ 135.050613][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 135.050634][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 135.050659][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.050682][ C0] Workqueue: usb_hub_wq hub_event [ 135.050708][ C0] Call Trace: [ 135.050721][ C0] dump_stack+0x21c/0x280 [ 135.050735][ C0] kmsan_report+0xfb/0x1e0 [ 135.050750][ C0] __msan_warning+0x5f/0xa0 [ 135.050764][ C0] string+0x573/0x6d0 [ 135.050778][ C0] vsnprintf+0x1acd/0x3600 [ 135.050792][ C0] pointer+0x1b8a/0x1ca0 [ 135.050816][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.050833][ C0] vsnprintf+0x15f2/0x3600 [ 135.050847][ C0] vprintk_store+0x2ab/0x1df0 [ 135.050863][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 135.050880][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.050897][ C0] vprintk_emit+0x29a/0x7f0 [ 135.050912][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 135.050927][ C0] dev_printk_emit+0x1ce/0x210 [ 135.050943][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 135.050960][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.050977][ C0] __dev_printk+0x3dc/0x458 [ 135.050992][ C0] _dev_info+0x1e5/0x22a [ 135.051008][ C0] ? usb_read8+0xe7/0x130 [ 135.051023][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 135.051041][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 135.051058][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 135.051073][ C0] ? r871x_dev_unload+0x310/0x310 [ 135.051090][ C0] usb_probe_interface+0xfcc/0x1520 [ 135.051106][ C0] ? usb_register_driver+0x900/0x900 [ 135.051122][ C0] really_probe+0xe15/0x24d0 [ 135.051137][ C0] driver_probe_device+0x29d/0x3a0 [ 135.051153][ C0] __device_attach_driver+0x63f/0x830 [ 135.051169][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 135.051185][ C0] ? deferred_probe_work_func+0x400/0x400 [ 135.051202][ C0] __device_attach+0x56a/0x890 [ 135.051218][ C0] device_initial_probe+0x4a/0x60 [ 135.051233][ C0] bus_probe_device+0x17e/0x3d0 [ 135.051249][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.051266][ C0] device_add+0x2c15/0x31d0 [ 135.051280][ C0] usb_set_configuration+0x3872/0x3eb0 [ 135.051297][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 135.051314][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 135.051331][ C0] usb_generic_driver_probe+0x138/0x300 [ 135.051348][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 135.051364][ C0] usb_probe_device+0x317/0x570 [ 135.051380][ C0] ? usb_register_device_driver+0x590/0x590 [ 135.051397][ C0] really_probe+0xe15/0x24d0 [ 135.051412][ C0] driver_probe_device+0x29d/0x3a0 [ 135.051428][ C0] __device_attach_driver+0x63f/0x830 [ 135.051444][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 135.051459][ C0] ? deferred_probe_work_func+0x400/0x400 [ 135.051476][ C0] __device_attach+0x56a/0x890 [ 135.051491][ C0] device_initial_probe+0x4a/0x60 [ 135.051506][ C0] bus_probe_device+0x17e/0x3d0 [ 135.051522][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.051543][ C0] device_add+0x2c15/0x31d0 [ 135.051558][ C0] usb_new_device+0x1bd4/0x2a30 [ 135.051575][ C0] hub_event+0x5b99/0x8870 [ 135.051596][ C0] ? kmsan_get_metadata+0x116/0x180 [ 135.051612][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.051628][ C0] ? led_work+0x780/0x780 [ 135.051643][ C0] process_one_work+0x1219/0x1fe0 [ 135.051659][ C0] worker_thread+0x10ec/0x2340 [ 135.051674][ C0] kthread+0x521/0x560 [ 135.051688][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 135.051704][ C0] ? kthread_blkcg+0x110/0x110 [ 135.051719][ C0] ret_from_fork+0x1f/0x30 [ 135.051733][ C0] [ 135.051746][ C0] Local variable ----data@usb_read8 created at: [ 135.051764][ C0] usb_read8+0x5d/0x130 [ 135.051778][ C0] usb_read8+0x5d/0x130 [ 135.051794][ C0] ===================================================== [ 135.051815][ C0] ===================================================== [ 135.051841][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 135.051862][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 135.051887][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.051910][ C0] Workqueue: usb_hub_wq hub_event [ 135.051937][ C0] Call Trace: [ 135.051949][ C0] dump_stack+0x21c/0x280 [ 135.051963][ C0] kmsan_report+0xfb/0x1e0 [ 135.051978][ C0] __msan_warning+0x5f/0xa0 [ 135.051992][ C0] string+0x573/0x6d0 [ 135.052006][ C0] vsnprintf+0x1acd/0x3600 [ 135.052021][ C0] pointer+0x1b8a/0x1ca0 [ 135.052038][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.052055][ C0] vsnprintf+0x15f2/0x3600 [ 135.052069][ C0] vprintk_store+0x2ab/0x1df0 [ 135.052085][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 135.052102][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.052119][ C0] vprintk_emit+0x29a/0x7f0 [ 135.052134][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 135.052150][ C0] dev_printk_emit+0x1ce/0x210 [ 135.052165][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 135.052183][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.052199][ C0] __dev_printk+0x3dc/0x458 [ 135.052213][ C0] _dev_info+0x1e5/0x22a [ 135.052227][ C0] ? usb_read8+0xe7/0x130 [ 135.052242][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 135.052258][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 135.052274][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 135.052290][ C0] ? r871x_dev_unload+0x310/0x310 [ 135.052306][ C0] usb_probe_interface+0xfcc/0x1520 [ 135.052321][ C0] ? usb_register_driver+0x900/0x900 [ 135.052337][ C0] really_probe+0xe15/0x24d0 [ 135.052352][ C0] driver_probe_device+0x29d/0x3a0 [ 135.052368][ C0] __device_attach_driver+0x63f/0x830 [ 135.052383][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 135.052399][ C0] ? deferred_probe_work_func+0x400/0x400 [ 135.052419][ C0] __device_attach+0x56a/0x890 [ 135.052435][ C0] device_initial_probe+0x4a/0x60 [ 135.052450][ C0] bus_probe_device+0x17e/0x3d0 [ 135.052466][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.052485][ C0] device_add+0x2c15/0x31d0 [ 135.052500][ C0] usb_set_configuration+0x3872/0x3eb0 [ 135.052517][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 135.052538][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 135.052555][ C0] usb_generic_driver_probe+0x138/0x300 [ 135.052572][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 135.052589][ C0] usb_probe_device+0x317/0x570 [ 135.052605][ C0] ? usb_register_device_driver+0x590/0x590 [ 135.052622][ C0] really_probe+0xe15/0x24d0 [ 135.052637][ C0] driver_probe_device+0x29d/0x3a0 [ 135.052653][ C0] __device_attach_driver+0x63f/0x830 [ 135.052670][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 135.052686][ C0] ? deferred_probe_work_func+0x400/0x400 [ 135.052702][ C0] __device_attach+0x56a/0x890 [ 135.052717][ C0] device_initial_probe+0x4a/0x60 [ 135.052733][ C0] bus_probe_device+0x17e/0x3d0 [ 135.052749][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.052765][ C0] device_add+0x2c15/0x31d0 [ 135.052780][ C0] usb_new_device+0x1bd4/0x2a30 [ 135.052795][ C0] hub_event+0x5b99/0x8870 [ 135.052809][ C0] ? kmsan_get_metadata+0x116/0x180 [ 135.052826][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.052842][ C0] ? led_work+0x780/0x780 [ 135.052856][ C0] process_one_work+0x1219/0x1fe0 [ 135.052872][ C0] worker_thread+0x10ec/0x2340 [ 135.052906][ C0] kthread+0x521/0x560 [ 135.052921][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 135.052937][ C0] ? kthread_blkcg+0x110/0x110 [ 135.052952][ C0] ret_from_fork+0x1f/0x30 [ 135.052965][ C0] [ 135.052978][ C0] Local variable ----data@usb_read8 created at: [ 135.052996][ C0] usb_read8+0x5d/0x130 [ 135.053010][ C0] usb_read8+0x5d/0x130 [ 135.053026][ C0] ===================================================== [ 135.053049][ C0] ===================================================== [ 135.053069][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 135.053090][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 135.053115][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.053138][ C0] Workqueue: usb_hub_wq hub_event [ 135.053164][ C0] Call Trace: [ 135.053177][ C0] dump_stack+0x21c/0x280 [ 135.053192][ C0] kmsan_report+0xfb/0x1e0 [ 135.053206][ C0] __msan_warning+0x5f/0xa0 [ 135.053221][ C0] string+0x573/0x6d0 [ 135.053235][ C0] vsnprintf+0x1acd/0x3600 [ 135.053249][ C0] pointer+0x1b8a/0x1ca0 [ 135.053264][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.053281][ C0] vsnprintf+0x15f2/0x3600 [ 135.053296][ C0] vprintk_store+0x2ab/0x1df0 [ 135.053311][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 135.053330][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.053346][ C0] vprintk_emit+0x29a/0x7f0 [ 135.053360][ C0] dev_vprintk_emit+0x5f7 [ 135.053384][ C0] Lost 1705 message(s)! [ 136.458456][ T7] ===================================================== [ 136.465983][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 136.473589][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 136.483406][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.494164][ T7] Workqueue: usb_hub_wq hub_event [ 136.499306][ T7] Call Trace: [ 136.502690][ T7] dump_stack+0x21c/0x280 [ 136.507315][ T7] kmsan_report+0xfb/0x1e0 [ 136.511778][ T7] __msan_warning+0x5f/0xa0 [ 136.516344][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 136.521574][ T7] ? r871x_dev_unload+0x310/0x310 [ 136.526888][ T7] usb_probe_interface+0xfcc/0x1520 [ 136.532231][ T7] ? usb_register_driver+0x900/0x900 [ 136.537547][ T7] really_probe+0xe15/0x24d0 [ 136.542708][ T7] driver_probe_device+0x29d/0x3a0 [ 136.547957][ T7] __device_attach_driver+0x63f/0x830 [ 136.553587][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 136.558739][ T7] ? deferred_probe_work_func+0x400/0x400 [ 136.564591][ T7] __device_attach+0x56a/0x890 [ 136.569678][ T7] device_initial_probe+0x4a/0x60 [ 136.575176][ T7] bus_probe_device+0x17e/0x3d0 [ 136.580088][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.586167][ T7] device_add+0x2c15/0x31d0 [ 136.590811][ T7] usb_set_configuration+0x3872/0x3eb0 [ 136.596478][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 136.602442][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 136.609101][ T7] usb_generic_driver_probe+0x138/0x300 [ 136.615040][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 136.620978][ T7] usb_probe_device+0x317/0x570 [ 136.625870][ T7] ? usb_register_device_driver+0x590/0x590 [ 136.632354][ T7] really_probe+0xe15/0x24d0 [ 136.637100][ T7] driver_probe_device+0x29d/0x3a0 [ 136.642543][ T7] __device_attach_driver+0x63f/0x830 [ 136.648094][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 136.653080][ T7] ? deferred_probe_work_func+0x400/0x400 [ 136.659046][ T7] __device_attach+0x56a/0x890 [ 136.664170][ T7] device_initial_probe+0x4a/0x60 [ 136.669239][ T7] bus_probe_device+0x17e/0x3d0 [ 136.674453][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.680445][ T7] device_add+0x2c15/0x31d0 [ 136.685212][ T7] usb_new_device+0x1bd4/0x2a30 [ 136.690196][ T7] hub_event+0x5b99/0x8870 [ 136.695073][ T7] ? kmsan_get_metadata+0x116/0x180 [ 136.700312][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.706715][ T7] ? led_work+0x780/0x780 [ 136.711166][ T7] process_one_work+0x1219/0x1fe0 [ 136.716526][ T7] worker_thread+0x10ec/0x2340 [ 136.721479][ T7] kthread+0x521/0x560 [ 136.725797][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 136.731264][ T7] ? kthread_blkcg+0x110/0x110 [ 136.736162][ T7] ret_from_fork+0x1f/0x30 [ 136.740705][ T7] [ 136.743946][ T7] Local variable ----data@usb_read8 created at: [ 136.750494][ T7] usb_read8+0x5d/0x130 [ 136.754771][ T7] usb_read8+0x5d/0x130 executing program [ 136.758975][ T7] ===================================================== [ 136.766452][ T7] ===================================================== [ 136.774044][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 136.781564][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 136.791170][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.802117][ T7] Workqueue: usb_hub_wq hub_event [ 136.807508][ T7] Call Trace: [ 136.810989][ T7] dump_stack+0x21c/0x280 [ 136.815514][ T7] kmsan_report+0xfb/0x1e0 [ 136.820345][ T7] __msan_warning+0x5f/0xa0 [ 136.824904][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 136.830257][ T7] ? r871x_dev_unload+0x310/0x310 [ 136.835424][ T7] usb_probe_interface+0xfcc/0x1520 [ 136.841414][ T7] ? usb_register_driver+0x900/0x900 [ 136.846839][ T7] really_probe+0xe15/0x24d0 [ 136.851694][ T7] driver_probe_device+0x29d/0x3a0 [ 136.857162][ T7] __device_attach_driver+0x63f/0x830 [ 136.862913][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 136.868206][ T7] ? deferred_probe_work_func+0x400/0x400 [ 136.876146][ T7] __device_attach+0x56a/0x890 [ 136.881074][ T7] device_initial_probe+0x4a/0x60 [ 136.886357][ T7] bus_probe_device+0x17e/0x3d0 [ 136.891549][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.897954][ T7] device_add+0x2c15/0x31d0 [ 136.902783][ T7] usb_set_configuration+0x3872/0x3eb0 [ 136.908864][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 136.914601][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 136.920836][ T7] usb_generic_driver_probe+0x138/0x300 [ 136.926460][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 136.932387][ T7] usb_probe_device+0x317/0x570 [ 136.937489][ T7] ? usb_register_device_driver+0x590/0x590 [ 136.943437][ T7] really_probe+0xe15/0x24d0 [ 136.948252][ T7] driver_probe_device+0x29d/0x3a0 [ 136.954329][ T7] __device_attach_driver+0x63f/0x830 [ 136.959891][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 136.965113][ T7] ? deferred_probe_work_func+0x400/0x400 [ 136.971156][ T7] __device_attach+0x56a/0x890 [ 136.975966][ T7] device_initial_probe+0x4a/0x60 [ 136.981283][ T7] bus_probe_device+0x17e/0x3d0 [ 136.986183][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.992391][ T7] device_add+0x2c15/0x31d0 [ 136.997215][ T7] usb_new_device+0x1bd4/0x2a30 [ 137.002657][ T7] hub_event+0x5b99/0x8870 [ 137.008069][ T7] ? kmsan_get_metadata+0x116/0x180 [ 137.013315][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.020084][ T7] ? led_work+0x780/0x780 [ 137.025168][ T7] process_one_work+0x1219/0x1fe0 [ 137.030602][ T7] worker_thread+0x10ec/0x2340 [ 137.035861][ T7] kthread+0x521/0x560 [ 137.040378][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 137.046472][ T7] ? kthread_blkcg+0x110/0x110 [ 137.051672][ T7] ret_from_fork+0x1f/0x30 [ 137.056354][ T7] [ 137.058748][ T7] Local variable ----mac@r871xu_drv_init created at: [ 137.065690][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 137.071275][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 137.076420][ T7] ===================================================== [ 137.084024][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 137.092282][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 137.107374][ T7] usb 1-1: USB disconnect, device number 2 [ 137.116274][ T1988] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 137.126636][ T1988] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 137.167109][ T1988] usb 1-1: r8712u: Firmware request failed [ 137.533709][ T7] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 137.913835][ T7] usb 1-1: config 0 has an invalid interface number: 140 but max is 0 [ 137.923804][ T7] usb 1-1: config 0 has no interface number 0 [ 137.930846][ T7] usb 1-1: New USB device found, idVendor=0eb0, idProduct=9061, bcdDevice=b1.77 [ 137.942741][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 137.958673][ T7] usb 1-1: config 0 descriptor?? [ 138.031142][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 138.039368][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 138.153620][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 138.159025][ C0] ===================================================== [ 138.159051][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 138.159072][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 138.159098][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.159122][ C0] Workqueue: usb_hub_wq hub_event [ 138.159152][ C0] Call Trace: [ 138.159165][ C0] dump_stack+0x21c/0x280 [ 138.159180][ C0] kmsan_report+0xfb/0x1e0 [ 138.159195][ C0] __msan_warning+0x5f/0xa0 [ 138.159210][ C0] string+0x573/0x6d0 [ 138.159224][ C0] vsnprintf+0x1acd/0x3600 [ 138.159239][ C0] pointer+0x1b8a/0x1ca0 [ 138.159254][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.159271][ C0] vsnprintf+0x15f2/0x3600 [ 138.159286][ C0] vprintk_store+0x2ab/0x1df0 [ 138.159301][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.159318][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.159335][ C0] vprintk_emit+0x29a/0x7f0 [ 138.159350][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 138.159365][ C0] dev_printk_emit+0x1ce/0x210 [ 138.159381][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 138.159398][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.159414][ C0] __dev_printk+0x3dc/0x458 [ 138.159429][ C0] _dev_info+0x1e5/0x22a [ 138.159443][ C0] ? usb_read8+0xe7/0x130 [ 138.159458][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 138.159474][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 138.159490][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 138.159506][ C0] ? r871x_dev_unload+0x310/0x310 [ 138.159521][ C0] usb_probe_interface+0xfcc/0x1520 [ 138.159538][ C0] ? usb_register_driver+0x900/0x900 [ 138.159553][ C0] really_probe+0xe15/0x24d0 [ 138.159568][ C0] driver_probe_device+0x29d/0x3a0 [ 138.159584][ C0] __device_attach_driver+0x63f/0x830 [ 138.159600][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 138.159620][ C0] ? deferred_probe_work_func+0x400/0x400 [ 138.159637][ C0] __device_attach+0x56a/0x890 [ 138.159652][ C0] device_initial_probe+0x4a/0x60 [ 138.159667][ C0] bus_probe_device+0x17e/0x3d0 [ 138.159683][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.159699][ C0] device_add+0x2c15/0x31d0 [ 138.159714][ C0] usb_set_configuration+0x3872/0x3eb0 [ 138.159730][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 138.159746][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 138.159764][ C0] usb_generic_driver_probe+0x138/0x300 [ 138.159780][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 138.159796][ C0] usb_probe_device+0x317/0x570 [ 138.159812][ C0] ? usb_register_device_driver+0x590/0x590 [ 138.159829][ C0] really_probe+0xe15/0x24d0 [ 138.159844][ C0] driver_probe_device+0x29d/0x3a0 [ 138.159860][ C0] __device_attach_driver+0x63f/0x830 [ 138.159881][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 138.159896][ C0] ? deferred_probe_work_func+0x400/0x400 [ 138.159913][ C0] __device_attach+0x56a/0x890 [ 138.159928][ C0] device_initial_probe+0x4a/0x60 [ 138.159944][ C0] bus_probe_device+0x17e/0x3d0 [ 138.159960][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.159976][ C0] device_add+0x2c15/0x31d0 [ 138.159991][ C0] usb_new_device+0x1bd4/0x2a30 [ 138.160006][ C0] hub_event+0x5b99/0x8870 [ 138.160021][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.160037][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.160054][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.160070][ C0] ? led_work+0x780/0x780 [ 138.160085][ C0] process_one_work+0x1219/0x1fe0 [ 138.160100][ C0] worker_thread+0x12bc/0x2340 [ 138.160115][ C0] kthread+0x521/0x560 [ 138.160129][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 138.160145][ C0] ? kthread_blkcg+0x110/0x110 [ 138.160159][ C0] ret_from_fork+0x1f/0x30 [ 138.160173][ C0] [ 138.160185][ C0] Local variable ----data@usb_read8 created at: [ 138.160203][ C0] usb_read8+0x5d/0x130 [ 138.160218][ C0] usb_read8+0x5d/0x130 [ 138.160234][ C0] ===================================================== [ 138.160254][ C0] ===================================================== [ 138.160274][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 138.160294][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 138.160319][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.160342][ C0] Workqueue: usb_hub_wq hub_event [ 138.160369][ C0] Call Trace: [ 138.160381][ C0] dump_stack+0x21c/0x280 [ 138.160395][ C0] kmsan_report+0xfb/0x1e0 [ 138.160409][ C0] __msan_warning+0x5f/0xa0 [ 138.160424][ C0] string+0x573/0x6d0 [ 138.160437][ C0] vsnprintf+0x1acd/0x3600 [ 138.160451][ C0] pointer+0x1b8a/0x1ca0 [ 138.160466][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.160482][ C0] vsnprintf+0x15f2/0x3600 [ 138.160496][ C0] vprintk_store+0x2ab/0x1df0 [ 138.160511][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.160528][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.160544][ C0] vprintk_emit+0x29a/0x7f0 [ 138.160559][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 138.160575][ C0] dev_printk_emit+0x1ce/0x210 [ 138.160590][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 138.160607][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.160624][ C0] __dev_printk+0x3dc/0x458 [ 138.160638][ C0] _dev_info+0x1e5/0x22a [ 138.160653][ C0] ? usb_read8+0xe7/0x130 [ 138.160667][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 138.160684][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 138.160700][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 138.160721][ C0] ? r871x_dev_unload+0x310/0x310 [ 138.160737][ C0] usb_probe_interface+0xfcc/0x1520 [ 138.160753][ C0] ? usb_register_driver+0x900/0x900 [ 138.160768][ C0] really_probe+0xe15/0x24d0 [ 138.160783][ C0] driver_probe_device+0x29d/0x3a0 [ 138.160800][ C0] __device_attach_driver+0x63f/0x830 [ 138.160816][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 138.160832][ C0] ? deferred_probe_work_func+0x400/0x400 [ 138.160848][ C0] __device_attach+0x56a/0x890 [ 138.160864][ C0] device_initial_probe+0x4a/0x60 [ 138.160883][ C0] bus_probe_device+0x17e/0x3d0 [ 138.160899][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.160916][ C0] device_add+0x2c15/0x31d0 [ 138.160931][ C0] usb_set_configuration+0x3872/0x3eb0 [ 138.160948][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 138.160965][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 138.160983][ C0] usb_generic_driver_probe+0x138/0x300 [ 138.161000][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 138.161016][ C0] usb_probe_device+0x317/0x570 [ 138.161032][ C0] ? usb_register_device_driver+0x590/0x590 [ 138.161049][ C0] really_probe+0xe15/0x24d0 [ 138.161064][ C0] driver_probe_device+0x29d/0x3a0 [ 138.161080][ C0] __device_attach_driver+0x63f/0x830 [ 138.161096][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 138.161111][ C0] ? deferred_probe_work_func+0x400/0x400 [ 138.161128][ C0] __device_attach+0x56a/0x890 [ 138.161143][ C0] device_initial_probe+0x4a/0x60 [ 138.161158][ C0] bus_probe_device+0x17e/0x3d0 [ 138.161173][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.161190][ C0] device_add+0x2c15/0x31d0 [ 138.161204][ C0] usb_new_device+0x1bd4/0x2a30 [ 138.161219][ C0] hub_event+0x5b99/0x8870 [ 138.161233][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.161249][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.161265][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.161282][ C0] ? led_work+0x780/0x780 [ 138.161296][ C0] process_one_work+0x1219/0x1fe0 [ 138.161311][ C0] worker_thread+0x12bc/0x2340 [ 138.161326][ C0] kthread+0x521/0x560 [ 138.161341][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 138.161356][ C0] ? kthread_blkcg+0x110/0x110 [ 138.161371][ C0] ret_from_fork+0x1f/0x30 [ 138.161385][ C0] [ 138.161398][ C0] Local variable ----data@usb_read8 created at: [ 138.161416][ C0] usb_read8+0x5d/0x130 [ 138.161430][ C0] usb_read8+0x5d/0x130 [ 138.161447][ C0] ===================================================== [ 138.161467][ C0] ===================================================== [ 138.161486][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 138.161507][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 138.161532][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.161554][ C0] Workqueue: usb_hub_wq hub_event [ 138.161581][ C0] Call Trace: [ 138.161593][ C0] dump_stack+0x21c/0x280 [ 138.161607][ C0] kmsan_report+0xfb/0x1e0 [ 138.161621][ C0] __msan_warning+0x5f/0xa0 [ 138.161635][ C0] string+0x573/0x6d0 [ 138.161649][ C0] vsnprintf+0x1acd/0x3600 [ 138.161663][ C0] pointer+0x1b8a/0x1ca0 [ 138.161677][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.161694][ C0] vsnprintf+0x15f2/0x3600 [ 138.161708][ C0] vprintk_store+0x2ab/0x1df0 [ 138.161723][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.161740][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.161756][ C0] vprintk_emit+0x29a/0x7f0 [ 138.161770][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 138.161785][ C0] dev_printk_emit+0x1ce/0x210 [ 138.161801][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 138.161818][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.161834][ C0] __dev_printk+0x3dc/0x458 [ 138.161848][ C0] _dev_info+0x1e5/0x22a [ 138.161862][ C0] ? usb_read8+0xe7/0x130 [ 138.161882][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 138.161897][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 138.161914][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 138.161929][ C0] ? r871x_dev_unload+0x310/0x310 [ 138.161944][ C0] usb_probe_interface+0xfcc/0x1520 [ 138.161960][ C0] ? usb_register_driver+0x900/0x900 [ 138.161976][ C0] really_probe+0xe15/0x24d0 [ 138.161991][ C0] driver_probe_device+0x29d/0x3a0 [ 138.162007][ C0] __device_attach_driver+0x63f/0x830 [ 138.162023][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 138.162038][ C0] ? deferred_probe_work_func+0x400/0x400 [ 138.162055][ C0] __device_attach+0x56a/0x890 [ 138.162070][ C0] device_initial_probe+0x4a/0x60 [ 138.162086][ C0] bus_probe_device+0x17e/0x3d0 [ 138.162102][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.162119][ C0] device_add+0x2c15/0x31d0 [ 138.162134][ C0] usb_set_configuration+0x3872/0x3eb0 [ 138.162151][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 138.162168][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 138.162185][ C0] usb_generic_driver_probe+0x138/0x300 [ 138.162202][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 138.162219][ C0] usb_probe_device+0x317/0x570 [ 138.162234][ C0] ? usb_register_device_driver+0x590/0x590 [ 138.162251][ C0] really_probe+0xe15/0x24d0 [ 138.162265][ C0] driver_probe_device+0x29d/0x3a0 [ 138.162281][ C0] __device_attach_driver+0x63f/0x830 [ 138.162297][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 138.162313][ C0] ? deferred_probe_work_func+0x400/0x400 [ 138.162329][ C0] __device_attach+0x56a/0x890 [ 138.162344][ C0] device_initial_probe+0x4a/0x60 [ 138.162359][ C0] bus_probe_device+0x17e/0x3d0 [ 138.162375][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.162391][ C0] device_add+0x2c15/0x31d0 [ 138.162406][ C0] usb_new_device+0x1bd4/0x2a30 [ 138.162421][ C0] hub_event+0x5b99/0x8870 [ 138.162435][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.162451][ C0] ? kmsan_get_metadata+0x116/0x180 [ 138.162467][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.162483][ C0] ? led_work+0x780/0x780 [ 138.162497][ C0] process_one_work+0x1219/0x1fe0 [ 138.162513][ C0] worker_thread+0x12bc/0x2340 [ 138.162527][ C0] kthread+0x521/0x560 [ 138.162541][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 138.162557][ C0] ? kthread_blkcg+0x110/0x110 [ 138.162571][ C0] ret_from_fork+0x1f/0x30 [ 138.162589][ C0] [ 138.162602][ C0] Local variable ----data@usb_read8 created at: [ 138.162620][ C0] usb_read8+0x5d/0x130 [ 138.162634][ C0] usb_read8+0x5d/0x130 [ 138.162650][ C0] ===================================================== [ 138.162670][ C0] ===================================================== [ 138.162690][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 138.162710][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 138.162735][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.162758][ C0] Workqueue: usb_hub_wq hub_event [ 138.162784][ C0] Call Trace: [ 138.162797][ C0] dump_stack+0x21c/0x280 [ 138.162811][ C0] kmsan_report+0xfb/0x1e0 [ 138.162825][ C0] __msan_warning+0x5f/0xa0 [ 138.162840][ C0] string+0x573/0x6d0 [ 138.162854][ C0] vsnprintf+0x1acd/0x3600 [ 138.162868][ C0] pointer+0x1b8a/0x1ca0 [ 138.162893][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.162910][ C0] vsnprintf+0x15f2/0x3600 [ 138.162924][ C0] vprintk_store+0x2ab/0x1df0 [ 138.162940][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.162956][ C0] ? kmsan_get_shadow [ 138.162979][ C0] Lost 1730 message(s)! [ 139.690736][ T7] ===================================================== [ 139.698965][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 139.707570][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 139.718567][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.729679][ T7] Workqueue: usb_hub_wq hub_event [ 139.735756][ T7] Call Trace: [ 139.739324][ T7] dump_stack+0x21c/0x280 [ 139.743909][ T7] kmsan_report+0xfb/0x1e0 [ 139.748748][ T7] __msan_warning+0x5f/0xa0 [ 139.753642][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 139.758720][ T7] ? r871x_dev_unload+0x310/0x310 [ 139.764379][ T7] usb_probe_interface+0xfcc/0x1520 [ 139.770417][ T7] ? usb_register_driver+0x900/0x900 [ 139.775840][ T7] really_probe+0xe15/0x24d0 [ 139.780570][ T7] driver_probe_device+0x29d/0x3a0 [ 139.786003][ T7] __device_attach_driver+0x63f/0x830 [ 139.791542][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 139.796610][ T7] ? deferred_probe_work_func+0x400/0x400 [ 139.802460][ T7] __device_attach+0x56a/0x890 [ 139.817591][ T7] device_initial_probe+0x4a/0x60 [ 139.822799][ T7] bus_probe_device+0x17e/0x3d0 [ 139.828021][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.834063][ T7] device_add+0x2c15/0x31d0 [ 139.839782][ T7] usb_set_configuration+0x3872/0x3eb0 [ 139.845730][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 139.851498][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 139.857812][ T7] usb_generic_driver_probe+0x138/0x300 [ 139.863977][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 139.870250][ T7] usb_probe_device+0x317/0x570 [ 139.875720][ T7] ? usb_register_device_driver+0x590/0x590 [ 139.882829][ T7] really_probe+0xe15/0x24d0 [ 139.888176][ T7] driver_probe_device+0x29d/0x3a0 [ 139.894614][ T7] __device_attach_driver+0x63f/0x830 [ 139.901136][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 139.906229][ T7] ? deferred_probe_work_func+0x400/0x400 [ 139.913300][ T7] __device_attach+0x56a/0x890 [ 139.918885][ T7] device_initial_probe+0x4a/0x60 [ 139.928862][ T7] bus_probe_device+0x17e/0x3d0 [ 139.934501][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.941294][ T7] device_add+0x2c15/0x31d0 [ 139.947320][ T7] usb_new_device+0x1bd4/0x2a30 [ 139.953793][ T7] hub_event+0x5b99/0x8870 [ 139.961003][ T7] ? kmsan_get_metadata+0x116/0x180 [ 139.968228][ T7] ? kmsan_get_metadata+0x116/0x180 [ 139.974521][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.981001][ T7] ? led_work+0x780/0x780 [ 139.986092][ T7] process_one_work+0x1219/0x1fe0 [ 139.996079][ T7] worker_thread+0x12bc/0x2340 [ 140.001459][ T7] kthread+0x521/0x560 [ 140.005829][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 140.011470][ T7] ? kthread_blkcg+0x110/0x110 [ 140.017134][ T7] ret_from_fork+0x1f/0x30 [ 140.022129][ T7] executing program [ 140.024953][ T7] Local variable ----data@usb_read8 created at: [ 140.031961][ T7] usb_read8+0x5d/0x130 [ 140.037832][ T7] usb_read8+0x5d/0x130 [ 140.043287][ T7] ===================================================== [ 140.053740][ T7] ===================================================== [ 140.062036][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 140.071518][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 140.083432][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.096252][ T7] Workqueue: usb_hub_wq hub_event [ 140.102010][ T7] Call Trace: [ 140.105956][ T7] dump_stack+0x21c/0x280 [ 140.110884][ T7] kmsan_report+0xfb/0x1e0 [ 140.115757][ T7] __msan_warning+0x5f/0xa0 [ 140.120549][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 140.126111][ T7] ? r871x_dev_unload+0x310/0x310 [ 140.131789][ T7] usb_probe_interface+0xfcc/0x1520 [ 140.137893][ T7] ? usb_register_driver+0x900/0x900 [ 140.144954][ T7] really_probe+0xe15/0x24d0 [ 140.150054][ T7] driver_probe_device+0x29d/0x3a0 [ 140.156398][ T7] __device_attach_driver+0x63f/0x830 [ 140.165229][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 140.171665][ T7] ? deferred_probe_work_func+0x400/0x400 [ 140.178038][ T7] __device_attach+0x56a/0x890 [ 140.183850][ T7] device_initial_probe+0x4a/0x60 [ 140.190487][ T7] bus_probe_device+0x17e/0x3d0 [ 140.196161][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.202972][ T7] device_add+0x2c15/0x31d0 [ 140.209203][ T7] usb_set_configuration+0x3872/0x3eb0 [ 140.215685][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 140.222358][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 140.228968][ T7] usb_generic_driver_probe+0x138/0x300 [ 140.235394][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 140.241575][ T7] usb_probe_device+0x317/0x570 [ 140.246533][ T7] ? usb_register_device_driver+0x590/0x590 [ 140.253011][ T7] really_probe+0xe15/0x24d0 [ 140.259045][ T7] driver_probe_device+0x29d/0x3a0 [ 140.264496][ T7] __device_attach_driver+0x63f/0x830 [ 140.270199][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 140.275971][ T7] ? deferred_probe_work_func+0x400/0x400 [ 140.282491][ T7] __device_attach+0x56a/0x890 [ 140.287864][ T7] device_initial_probe+0x4a/0x60 [ 140.293347][ T7] bus_probe_device+0x17e/0x3d0 [ 140.299292][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.305619][ T7] device_add+0x2c15/0x31d0 [ 140.310353][ T7] usb_new_device+0x1bd4/0x2a30 [ 140.315815][ T7] hub_event+0x5b99/0x8870 [ 140.323243][ T7] ? kmsan_get_metadata+0x116/0x180 [ 140.329314][ T7] ? kmsan_get_metadata+0x116/0x180 [ 140.334675][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.340791][ T7] ? led_work+0x780/0x780 [ 140.346363][ T7] process_one_work+0x1219/0x1fe0 [ 140.351798][ T7] worker_thread+0x12bc/0x2340 [ 140.357064][ T7] kthread+0x521/0x560 [ 140.361260][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 140.366697][ T7] ? kthread_blkcg+0x110/0x110 [ 140.371919][ T7] ret_from_fork+0x1f/0x30 [ 140.376614][ T7] [ 140.379096][ T7] Local variable ----mac@r871xu_drv_init created at: [ 140.386038][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 140.391069][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 140.396427][ T7] ===================================================== [ 140.404494][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 140.412894][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 140.426409][ T1988] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 140.436091][ T1988] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 140.446306][ T7] usb 1-1: USB disconnect, device number 3 [ 140.484072][ T1988] usb 1-1: r8712u: Firmware request failed [ 140.853657][ T7] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 141.223873][ T7] usb 1-1: config 0 has an invalid interface number: 140 but max is 0 [ 141.233979][ T7] usb 1-1: config 0 has no interface number 0 [ 141.241486][ T7] usb 1-1: New USB device found, idVendor=0eb0, idProduct=9061, bcdDevice=b1.77 [ 141.251266][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 141.263203][ T7] usb 1-1: config 0 descriptor?? [ 141.311670][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 141.319297][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 141.424013][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 141.430265][ C0] ===================================================== [ 141.430291][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 141.430312][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 141.430345][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.430368][ C0] Workqueue: usb_hub_wq hub_event [ 141.430398][ C0] Call Trace: [ 141.430410][ C0] dump_stack+0x21c/0x280 [ 141.430425][ C0] kmsan_report+0xfb/0x1e0 [ 141.430440][ C0] __msan_warning+0x5f/0xa0 [ 141.430454][ C0] string+0x573/0x6d0 [ 141.430468][ C0] vsnprintf+0x1acd/0x3600 [ 141.430483][ C0] pointer+0x1b8a/0x1ca0 [ 141.430498][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.430514][ C0] vsnprintf+0x15f2/0x3600 [ 141.430529][ C0] vprintk_store+0x2ab/0x1df0 [ 141.430544][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.430561][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.430578][ C0] vprintk_emit+0x29a/0x7f0 [ 141.430592][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 141.430607][ C0] dev_printk_emit+0x1ce/0x210 [ 141.430623][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 141.430640][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.430656][ C0] __dev_printk+0x3dc/0x458 [ 141.430670][ C0] _dev_info+0x1e5/0x22a [ 141.430684][ C0] ? usb_read8+0xe7/0x130 [ 141.430699][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 141.430714][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 141.430731][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 141.430746][ C0] ? r871x_dev_unload+0x310/0x310 [ 141.430761][ C0] usb_probe_interface+0xfcc/0x1520 [ 141.430777][ C0] ? usb_register_driver+0x900/0x900 [ 141.430792][ C0] really_probe+0xe15/0x24d0 [ 141.430807][ C0] driver_probe_device+0x29d/0x3a0 [ 141.430823][ C0] __device_attach_driver+0x63f/0x830 [ 141.430839][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 141.430854][ C0] ? deferred_probe_work_func+0x400/0x400 [ 141.430871][ C0] __device_attach+0x56a/0x890 [ 141.430886][ C0] device_initial_probe+0x4a/0x60 [ 141.430901][ C0] bus_probe_device+0x17e/0x3d0 [ 141.430916][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.430954][ C0] device_add+0x2c15/0x31d0 [ 141.430983][ C0] usb_set_configuration+0x3872/0x3eb0 [ 141.431016][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 141.431050][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 141.431086][ C0] usb_generic_driver_probe+0x138/0x300 [ 141.431121][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 141.431153][ C0] usb_probe_device+0x317/0x570 [ 141.431178][ C0] ? usb_register_device_driver+0x590/0x590 [ 141.431195][ C0] really_probe+0xe15/0x24d0 [ 141.431210][ C0] driver_probe_device+0x29d/0x3a0 [ 141.431226][ C0] __device_attach_driver+0x63f/0x830 [ 141.431242][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 141.431258][ C0] ? deferred_probe_work_func+0x400/0x400 [ 141.431275][ C0] __device_attach+0x56a/0x890 [ 141.431290][ C0] device_initial_probe+0x4a/0x60 [ 141.431305][ C0] bus_probe_device+0x17e/0x3d0 [ 141.431321][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.431344][ C0] device_add+0x2c15/0x31d0 [ 141.431359][ C0] usb_new_device+0x1bd4/0x2a30 [ 141.431374][ C0] hub_event+0x5b99/0x8870 [ 141.431389][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.431405][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.431421][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.431438][ C0] ? led_work+0x780/0x780 [ 141.431452][ C0] process_one_work+0x1219/0x1fe0 [ 141.431468][ C0] worker_thread+0x12bc/0x2340 [ 141.431483][ C0] kthread+0x521/0x560 [ 141.431498][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 141.431514][ C0] ? kthread_blkcg+0x110/0x110 [ 141.431528][ C0] ret_from_fork+0x1f/0x30 [ 141.431541][ C0] [ 141.431555][ C0] Local variable ----data@usb_read8 created at: [ 141.431572][ C0] usb_read8+0x5d/0x130 [ 141.431587][ C0] usb_read8+0x5d/0x130 [ 141.431603][ C0] ===================================================== [ 141.431623][ C0] ===================================================== [ 141.431643][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 141.431664][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 141.431688][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.431711][ C0] Workqueue: usb_hub_wq hub_event [ 141.431738][ C0] Call Trace: [ 141.431751][ C0] dump_stack+0x21c/0x280 [ 141.431765][ C0] kmsan_report+0xfb/0x1e0 [ 141.431779][ C0] __msan_warning+0x5f/0xa0 [ 141.431793][ C0] string+0x573/0x6d0 [ 141.431807][ C0] vsnprintf+0x1acd/0x3600 [ 141.431821][ C0] pointer+0x1b8a/0x1ca0 [ 141.431835][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.431852][ C0] vsnprintf+0x15f2/0x3600 [ 141.431866][ C0] vprintk_store+0x2ab/0x1df0 [ 141.431881][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.431898][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.431914][ C0] vprintk_emit+0x29a/0x7f0 [ 141.431929][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 141.431943][ C0] dev_printk_emit+0x1ce/0x210 [ 141.431959][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 141.431976][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.431992][ C0] __dev_printk+0x3dc/0x458 [ 141.432007][ C0] _dev_info+0x1e5/0x22a [ 141.432021][ C0] ? usb_read8+0xe7/0x130 [ 141.432036][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 141.432052][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 141.432068][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 141.432083][ C0] ? r871x_dev_unload+0x310/0x310 [ 141.432099][ C0] usb_probe_interface+0xfcc/0x1520 [ 141.432114][ C0] ? usb_register_driver+0x900/0x900 [ 141.432134][ C0] really_probe+0xe15/0x24d0 [ 141.432162][ C0] driver_probe_device+0x29d/0x3a0 [ 141.432195][ C0] __device_attach_driver+0x63f/0x830 [ 141.432233][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 141.432276][ C0] ? deferred_probe_work_func+0x400/0x400 [ 141.432310][ C0] __device_attach+0x56a/0x890 [ 141.432345][ C0] device_initial_probe+0x4a/0x60 [ 141.432372][ C0] bus_probe_device+0x17e/0x3d0 [ 141.432389][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.432405][ C0] device_add+0x2c15/0x31d0 [ 141.432420][ C0] usb_set_configuration+0x3872/0x3eb0 [ 141.432437][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 141.432454][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 141.432476][ C0] usb_generic_driver_probe+0x138/0x300 [ 141.432492][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 141.432509][ C0] usb_probe_device+0x317/0x570 [ 141.432525][ C0] ? usb_register_device_driver+0x590/0x590 [ 141.432541][ C0] really_probe+0xe15/0x24d0 [ 141.432556][ C0] driver_probe_device+0x29d/0x3a0 [ 141.432572][ C0] __device_attach_driver+0x63f/0x830 [ 141.432588][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 141.432604][ C0] ? deferred_probe_work_func+0x400/0x400 [ 141.432620][ C0] __device_attach+0x56a/0x890 [ 141.432635][ C0] device_initial_probe+0x4a/0x60 [ 141.432650][ C0] bus_probe_device+0x17e/0x3d0 [ 141.432666][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.432682][ C0] device_add+0x2c15/0x31d0 [ 141.432696][ C0] usb_new_device+0x1bd4/0x2a30 [ 141.432711][ C0] hub_event+0x5b99/0x8870 [ 141.432726][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.432742][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.432758][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.432774][ C0] ? led_work+0x780/0x780 [ 141.432788][ C0] process_one_work+0x1219/0x1fe0 [ 141.432804][ C0] worker_thread+0x12bc/0x2340 [ 141.432818][ C0] kthread+0x521/0x560 [ 141.432833][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 141.432849][ C0] ? kthread_blkcg+0x110/0x110 [ 141.432863][ C0] ret_from_fork+0x1f/0x30 [ 141.432877][ C0] [ 141.432890][ C0] Local variable ----data@usb_read8 created at: [ 141.432908][ C0] usb_read8+0x5d/0x130 [ 141.432923][ C0] usb_read8+0x5d/0x130 [ 141.432939][ C0] ===================================================== [ 141.432959][ C0] ===================================================== [ 141.432979][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 141.432999][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 141.433024][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.433047][ C0] Workqueue: usb_hub_wq hub_event [ 141.433075][ C0] Call Trace: [ 141.433087][ C0] dump_stack+0x21c/0x280 [ 141.433101][ C0] kmsan_report+0xfb/0x1e0 [ 141.433116][ C0] __msan_warning+0x5f/0xa0 [ 141.433130][ C0] string+0x573/0x6d0 [ 141.433143][ C0] vsnprintf+0x1acd/0x3600 [ 141.433157][ C0] pointer+0x1b8a/0x1ca0 [ 141.433172][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.433188][ C0] vsnprintf+0x15f2/0x3600 [ 141.433202][ C0] vprintk_store+0x2ab/0x1df0 [ 141.433217][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.433234][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.433250][ C0] vprintk_emit+0x29a/0x7f0 [ 141.433265][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 141.433280][ C0] dev_printk_emit+0x1ce/0x210 [ 141.433295][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 141.433316][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.433350][ C0] __dev_printk+0x3dc/0x458 [ 141.433383][ C0] _dev_info+0x1e5/0x22a [ 141.433411][ C0] ? usb_read8+0xe7/0x130 [ 141.433438][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 141.433467][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 141.433498][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 141.433527][ C0] ? r871x_dev_unload+0x310/0x310 [ 141.433558][ C0] usb_probe_interface+0xfcc/0x1520 [ 141.433589][ C0] ? usb_register_driver+0x900/0x900 [ 141.433620][ C0] really_probe+0xe15/0x24d0 [ 141.433650][ C0] driver_probe_device+0x29d/0x3a0 [ 141.433681][ C0] __device_attach_driver+0x63f/0x830 [ 141.433711][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 141.433733][ C0] ? deferred_probe_work_func+0x400/0x400 [ 141.433750][ C0] __device_attach+0x56a/0x890 [ 141.433765][ C0] device_initial_probe+0x4a/0x60 [ 141.433781][ C0] bus_probe_device+0x17e/0x3d0 [ 141.433797][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.433814][ C0] device_add+0x2c15/0x31d0 [ 141.433829][ C0] usb_set_configuration+0x3872/0x3eb0 [ 141.433846][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 141.433863][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 141.433881][ C0] usb_generic_driver_probe+0x138/0x300 [ 141.433898][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 141.433914][ C0] usb_probe_device+0x317/0x570 [ 141.433930][ C0] ? usb_register_device_driver+0x590/0x590 [ 141.433946][ C0] really_probe+0xe15/0x24d0 [ 141.433961][ C0] driver_probe_device+0x29d/0x3a0 [ 141.433977][ C0] __device_attach_driver+0x63f/0x830 [ 141.433993][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 141.434009][ C0] ? deferred_probe_work_func+0x400/0x400 [ 141.434025][ C0] __device_attach+0x56a/0x890 [ 141.434040][ C0] device_initial_probe+0x4a/0x60 [ 141.434055][ C0] bus_probe_device+0x17e/0x3d0 [ 141.434071][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.434087][ C0] device_add+0x2c15/0x31d0 [ 141.434101][ C0] usb_new_device+0x1bd4/0x2a30 [ 141.434116][ C0] hub_event+0x5b99/0x8870 [ 141.434131][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.434147][ C0] ? kmsan_get_metadata+0x116/0x180 [ 141.434163][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.434179][ C0] ? led_work+0x780/0x780 [ 141.434193][ C0] process_one_work+0x1219/0x1fe0 [ 141.434208][ C0] worker_thread+0x12bc/0x2340 [ 141.434223][ C0] kthread+0x521/0x560 [ 141.434237][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 141.434252][ C0] ? kthread_blkcg+0x110/0x110 [ 141.434267][ C0] ret_from_fork+0x1f/0x30 [ 141.434280][ C0] [ 141.434293][ C0] Local variable ----data@usb_read8 created at: [ 141.434310][ C0] usb_read8+0x5d/0x130 [ 141.434332][ C0] usb_read8+0x5d/0x130 [ 141.434348][ C0] ===================================================== [ 141.434368][ C0] ===================================================== [ 141.434388][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 141.434408][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 141.434433][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.434456][ C0] Workqueue: usb_hub_wq hub_event [ 141.434483][ C0] Call Trace: [ 141.434495][ C0] dump_stack+0x21c/0x280 [ 141.434509][ C0] kmsan_report+0xfb/0x1e0 [ 141.434524][ C0] __msan_warning+0x5f/0xa0 [ 141.434538][ C0] string+0x573/0x6d0 [ 141.434552][ C0] vsnprintf+0x1acd/0x3600 [ 141.434566][ C0] pointer+0x1b8a/0x1ca0 [ 141.434581][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.434598][ C0] vsnprintf+0x15f2/0x3600 [ 141.434613][ C0] vprintk_store+0x2ab/0x1df0 [ 141.434628][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.434645][ C0] ? kmsan_get_shadow [ 141.434668][ C0] Lost 1730 message(s)! [ 142.959243][ T7] ===================================================== [ 142.966341][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 142.973684][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 142.983859][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.995274][ T7] Workqueue: usb_hub_wq hub_event [ 143.000674][ T7] Call Trace: [ 143.003986][ T7] dump_stack+0x21c/0x280 [ 143.009428][ T7] kmsan_report+0xfb/0x1e0 [ 143.014986][ T7] __msan_warning+0x5f/0xa0 [ 143.019627][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 143.024629][ T7] ? r871x_dev_unload+0x310/0x310 [ 143.029859][ T7] usb_probe_interface+0xfcc/0x1520 [ 143.035921][ T7] ? usb_register_driver+0x900/0x900 [ 143.041547][ T7] really_probe+0xe15/0x24d0 [ 143.047416][ T7] driver_probe_device+0x29d/0x3a0 [ 143.053270][ T7] __device_attach_driver+0x63f/0x830 [ 143.059065][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 143.064718][ T7] ? deferred_probe_work_func+0x400/0x400 [ 143.070997][ T7] __device_attach+0x56a/0x890 [ 143.076223][ T7] device_initial_probe+0x4a/0x60 [ 143.081928][ T7] bus_probe_device+0x17e/0x3d0 [ 143.087198][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.093346][ T7] device_add+0x2c15/0x31d0 [ 143.098213][ T7] usb_set_configuration+0x3872/0x3eb0 [ 143.104037][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 143.109663][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.116227][ T7] usb_generic_driver_probe+0x138/0x300 [ 143.122056][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 143.128308][ T7] usb_probe_device+0x317/0x570 [ 143.133298][ T7] ? usb_register_device_driver+0x590/0x590 [ 143.139340][ T7] really_probe+0xe15/0x24d0 [ 143.144091][ T7] driver_probe_device+0x29d/0x3a0 [ 143.149375][ T7] __device_attach_driver+0x63f/0x830 [ 143.155701][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 143.160685][ T7] ? deferred_probe_work_func+0x400/0x400 [ 143.166955][ T7] __device_attach+0x56a/0x890 [ 143.171921][ T7] device_initial_probe+0x4a/0x60 [ 143.177251][ T7] bus_probe_device+0x17e/0x3d0 [ 143.182668][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.188995][ T7] device_add+0x2c15/0x31d0 [ 143.193812][ T7] usb_new_device+0x1bd4/0x2a30 [ 143.198989][ T7] hub_event+0x5b99/0x8870 [ 143.203781][ T7] ? kmsan_get_metadata+0x116/0x180 [ 143.209733][ T7] ? kmsan_get_metadata+0x116/0x180 [ 143.216743][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.223408][ T7] ? led_work+0x780/0x780 [ 143.228214][ T7] process_one_work+0x1219/0x1fe0 [ 143.233642][ T7] worker_thread+0x12bc/0x2340 [ 143.238637][ T7] kthread+0x521/0x560 [ 143.242761][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 143.248463][ T7] ? kthread_blkcg+0x110/0x110 [ 143.253932][ T7] ret_from_fork+0x1f/0x30 [ 143.259024][ T7] [ 143.261671][ T7] Local variable ----data@usb_read8 created at: [ 143.268542][ T7] usb_read8+0x5d/0x130 [ 143.273387][ T7] usb_read8+0x5d/0x130 [ 143.277740][ T7] ===================================================== [ 143.285542][ T7] ===================================================== executing program [ 143.294087][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 143.301866][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 143.312939][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.323952][ T7] Workqueue: usb_hub_wq hub_event [ 143.329065][ T7] Call Trace: [ 143.332374][ T7] dump_stack+0x21c/0x280 [ 143.337176][ T7] kmsan_report+0xfb/0x1e0 [ 143.341733][ T7] __msan_warning+0x5f/0xa0 [ 143.346369][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 143.352790][ T7] ? r871x_dev_unload+0x310/0x310 [ 143.358136][ T7] usb_probe_interface+0xfcc/0x1520 [ 143.363958][ T7] ? usb_register_driver+0x900/0x900 [ 143.369528][ T7] really_probe+0xe15/0x24d0 [ 143.374519][ T7] driver_probe_device+0x29d/0x3a0 [ 143.379770][ T7] __device_attach_driver+0x63f/0x830 [ 143.385362][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 143.391271][ T7] ? deferred_probe_work_func+0x400/0x400 [ 143.399406][ T7] __device_attach+0x56a/0x890 [ 143.405411][ T7] device_initial_probe+0x4a/0x60 [ 143.411772][ T7] bus_probe_device+0x17e/0x3d0 [ 143.418023][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.426395][ T7] device_add+0x2c15/0x31d0 [ 143.432037][ T7] usb_set_configuration+0x3872/0x3eb0 [ 143.438019][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 143.444914][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.451477][ T7] usb_generic_driver_probe+0x138/0x300 [ 143.457601][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 143.463788][ T7] usb_probe_device+0x317/0x570 [ 143.470297][ T7] ? usb_register_device_driver+0x590/0x590 [ 143.476632][ T7] really_probe+0xe15/0x24d0 [ 143.482123][ T7] driver_probe_device+0x29d/0x3a0 [ 143.487937][ T7] __device_attach_driver+0x63f/0x830 [ 143.494515][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 143.500159][ T7] ? deferred_probe_work_func+0x400/0x400 [ 143.507465][ T7] __device_attach+0x56a/0x890 [ 143.512736][ T7] device_initial_probe+0x4a/0x60 [ 143.518299][ T7] bus_probe_device+0x17e/0x3d0 [ 143.524709][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.530850][ T7] device_add+0x2c15/0x31d0 [ 143.535495][ T7] usb_new_device+0x1bd4/0x2a30 [ 143.540599][ T7] hub_event+0x5b99/0x8870 [ 143.549786][ T7] ? kmsan_get_metadata+0x116/0x180 [ 143.555560][ T7] ? kmsan_get_metadata+0x116/0x180 [ 143.561398][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.567883][ T7] ? led_work+0x780/0x780 [ 143.572948][ T7] process_one_work+0x1219/0x1fe0 [ 143.579264][ T7] worker_thread+0x12bc/0x2340 [ 143.584522][ T7] kthread+0x521/0x560 [ 143.588899][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 143.594533][ T7] ? kthread_blkcg+0x110/0x110 [ 143.601112][ T7] ret_from_fork+0x1f/0x30 [ 143.605911][ T7] [ 143.608259][ T7] Local variable ----mac@r871xu_drv_init created at: [ 143.615266][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 143.620217][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 143.626646][ T7] ===================================================== [ 143.634313][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 143.642524][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 143.654761][ T1988] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 143.665351][ T1988] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 143.675678][ T7] usb 1-1: USB disconnect, device number 4 [ 143.714583][ T1988] usb 1-1: r8712u: Firmware request failed [ 144.083708][ T7] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 144.463994][ T7] usb 1-1: config 0 has an invalid interface number: 140 but max is 0 [ 144.473563][ T7] usb 1-1: config 0 has no interface number 0 [ 144.481350][ T7] usb 1-1: New USB device found, idVendor=0eb0, idProduct=9061, bcdDevice=b1.77 [ 144.491765][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 144.502849][ T7] usb 1-1: config 0 descriptor?? [ 144.551650][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 144.559473][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 144.673854][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 144.679916][ C0] ===================================================== [ 144.679963][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 144.680007][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 144.680060][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.680106][ C0] Workqueue: usb_hub_wq hub_event [ 144.680143][ C0] Call Trace: [ 144.680156][ C0] dump_stack+0x21c/0x280 [ 144.680171][ C0] kmsan_report+0xfb/0x1e0 [ 144.680186][ C0] __msan_warning+0x5f/0xa0 [ 144.680201][ C0] string+0x573/0x6d0 [ 144.680215][ C0] vsnprintf+0x1acd/0x3600 [ 144.680230][ C0] pointer+0x1b8a/0x1ca0 [ 144.680245][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.680262][ C0] vsnprintf+0x15f2/0x3600 [ 144.680277][ C0] vprintk_store+0x2ab/0x1df0 [ 144.680292][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.680309][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.680326][ C0] vprintk_emit+0x29a/0x7f0 [ 144.680347][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 144.680363][ C0] dev_printk_emit+0x1ce/0x210 [ 144.680379][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 144.680396][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.680413][ C0] __dev_printk+0x3dc/0x458 [ 144.680428][ C0] _dev_info+0x1e5/0x22a [ 144.680442][ C0] ? usb_read8+0xe7/0x130 [ 144.680458][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 144.680474][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 144.680492][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 144.680508][ C0] ? r871x_dev_unload+0x310/0x310 [ 144.680524][ C0] usb_probe_interface+0xfcc/0x1520 [ 144.680541][ C0] ? usb_register_driver+0x900/0x900 [ 144.680557][ C0] really_probe+0xe15/0x24d0 [ 144.680573][ C0] driver_probe_device+0x29d/0x3a0 [ 144.680589][ C0] __device_attach_driver+0x63f/0x830 [ 144.680605][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 144.680622][ C0] ? deferred_probe_work_func+0x400/0x400 [ 144.680638][ C0] __device_attach+0x56a/0x890 [ 144.680654][ C0] device_initial_probe+0x4a/0x60 [ 144.680670][ C0] bus_probe_device+0x17e/0x3d0 [ 144.680686][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.680703][ C0] device_add+0x2c15/0x31d0 [ 144.680718][ C0] usb_set_configuration+0x3872/0x3eb0 [ 144.680735][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 144.680752][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 144.680770][ C0] usb_generic_driver_probe+0x138/0x300 [ 144.680787][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 144.680804][ C0] usb_probe_device+0x317/0x570 [ 144.680820][ C0] ? usb_register_device_driver+0x590/0x590 [ 144.680837][ C0] really_probe+0xe15/0x24d0 [ 144.680853][ C0] driver_probe_device+0x29d/0x3a0 [ 144.680869][ C0] __device_attach_driver+0x63f/0x830 [ 144.680886][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 144.680902][ C0] ? deferred_probe_work_func+0x400/0x400 [ 144.680919][ C0] __device_attach+0x56a/0x890 [ 144.680935][ C0] device_initial_probe+0x4a/0x60 [ 144.680951][ C0] bus_probe_device+0x17e/0x3d0 [ 144.680967][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.680984][ C0] device_add+0x2c15/0x31d0 [ 144.680999][ C0] usb_new_device+0x1bd4/0x2a30 [ 144.681014][ C0] hub_event+0x5b99/0x8870 [ 144.681029][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.681045][ C0] ? kmsan_get_metadata+0x116/0x180 [ 144.681062][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.681087][ C0] ? led_work+0x780/0x780 [ 144.681115][ C0] process_one_work+0x1219/0x1fe0 [ 144.681146][ C0] worker_thread+0x12bc/0x2340 [ 144.681175][ C0] kthread+0x521/0x560 [ 144.681204][ C0] ? process_one_work+0x1fe0/0x1fe0