[ 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 '10.128.10.0' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 136.203576][ T57] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 136.463593][ T57] usb 1-1: Using ep0 maxpacket: 16 [ 136.603695][ T57] usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 136.773852][ T57] usb 1-1: New USB device found, idVendor=050d, idProduct=815f, bcdDevice=b5.9b [ 136.782993][ T57] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 136.791189][ T57] usb 1-1: Product: syz [ 136.795615][ T57] usb 1-1: Manufacturer: syz [ 136.800338][ T57] usb 1-1: SerialNumber: syz [ 136.808258][ T57] usb 1-1: config 0 descriptor?? [ 136.861075][ T57] r8712u: register rtl8712_netdev_ops to netdev_ops [ 136.867999][ T57] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 136.973771][ T57] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 136.979465][ C1] ===================================================== [ 136.979489][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 136.979510][ C1] CPU: 1 PID: 57 Comm: kworker/1:1 Not tainted 5.12.0-rc6-syzkaller #0 [ 136.979535][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.979559][ C1] Workqueue: usb_hub_wq hub_event [ 136.979588][ C1] Call Trace: executing program [ 136.979601][ C1] dump_stack+0x24c/0x2e0 [ 136.979616][ C1] kmsan_report+0xfb/0x1e0 [ 136.979631][ C1] __msan_warning+0x5c/0xa0 [ 136.979646][ C1] string+0x573/0x6d0 [ 136.979660][ C1] vsnprintf+0x1acd/0x3600 [ 136.979675][ C1] pointer+0x1cbb/0x1ea0 [ 136.979690][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.979707][ C1] vsnprintf+0x15f2/0x3600 [ 136.979722][ C1] vprintk_store+0x2ab/0x1df0 [ 136.979738][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 136.979755][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 136.979772][ C1] ? __printk_safe_enter+0xe/0x30 [ 136.979787][ C1] vprintk_emit+0x28e/0x8b0 [ 136.979802][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 136.979817][ C1] dev_printk_emit+0x1ce/0x210 [ 136.979833][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 136.979856][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.979890][ C1] __dev_printk+0x3dc/0x458 [ 136.979921][ C1] _dev_info+0x1e5/0x22a [ 136.979952][ C1] ? usb_read8+0xe7/0x130 [ 136.979984][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 136.980021][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 136.980048][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 136.980064][ C1] ? r871x_dev_unload+0x310/0x310 [ 136.980080][ C1] usb_probe_interface+0xfcc/0x1520 [ 136.980096][ C1] ? usb_register_driver+0x900/0x900 [ 136.980112][ C1] really_probe+0xe15/0x24d0 [ 136.980128][ C1] driver_probe_device+0x29d/0x3a0 [ 136.980144][ C1] __device_attach_driver+0x63f/0x830 [ 136.980160][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 136.980176][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 136.980193][ C1] __device_attach+0x56a/0x890 [ 136.980209][ C1] device_initial_probe+0x4a/0x60 [ 136.980225][ C1] bus_probe_device+0x17e/0x3d0 [ 136.980241][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.980257][ C1] device_add+0x2c15/0x31d0 [ 136.980273][ C1] usb_set_configuration+0x3872/0x3eb0 [ 136.980290][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 136.980307][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 136.980325][ C1] usb_generic_driver_probe+0x138/0x300 [ 136.980342][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 136.980358][ C1] usb_probe_device+0x317/0x570 [ 136.980386][ C1] ? usb_register_device_driver+0x590/0x590 [ 136.980403][ C1] really_probe+0xe15/0x24d0 [ 136.980418][ C1] driver_probe_device+0x29d/0x3a0 [ 136.980435][ C1] __device_attach_driver+0x63f/0x830 [ 136.980451][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 136.980467][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 136.980484][ C1] __device_attach+0x56a/0x890 [ 136.980499][ C1] device_initial_probe+0x4a/0x60 [ 136.980515][ C1] bus_probe_device+0x17e/0x3d0 [ 136.980531][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.980548][ C1] device_add+0x2c15/0x31d0 [ 136.980563][ C1] usb_new_device+0x1bd4/0x2a30 [ 136.980578][ C1] hub_event+0x5b99/0x8870 [ 136.980593][ C1] ? kmsan_get_metadata+0x116/0x180 [ 136.980610][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.980626][ C1] ? led_work+0x780/0x780 [ 136.980641][ C1] process_one_work+0x1219/0x1fe0 [ 136.980657][ C1] worker_thread+0x10ec/0x2340 [ 136.980672][ C1] kthread+0x521/0x560 [ 136.980686][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 136.980702][ C1] ? kthread_blkcg+0x110/0x110 [ 136.980718][ C1] ret_from_fork+0x1f/0x30 [ 136.980731][ C1] [ 136.980744][ C1] Local variable ----data@usb_read8 created at: [ 136.980763][ C1] usb_read8+0x5d/0x130 [ 136.980777][ C1] usb_read8+0x5d/0x130 [ 136.980794][ C1] ===================================================== [ 136.980814][ C1] Disabling lock debugging due to kernel taint [ 136.980834][ C1] ===================================================== [ 136.980855][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 136.980876][ C1] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 136.980901][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.980925][ C1] Workqueue: usb_hub_wq hub_event [ 136.980952][ C1] Call Trace: [ 136.980965][ C1] dump_stack+0x24c/0x2e0 [ 136.980979][ C1] kmsan_report+0xfb/0x1e0 [ 136.980994][ C1] __msan_warning+0x5c/0xa0 [ 136.981009][ C1] string+0x573/0x6d0 [ 136.981025][ C1] vsnprintf+0x1acd/0x3600 [ 136.981056][ C1] pointer+0x1cbb/0x1ea0 [ 136.981088][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.981125][ C1] vsnprintf+0x15f2/0x3600 [ 136.981156][ C1] vprintk_store+0x2ab/0x1df0 [ 136.981190][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 136.981213][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 136.981230][ C1] ? __printk_safe_enter+0xe/0x30 [ 136.981246][ C1] vprintk_emit+0x28e/0x8b0 [ 136.981261][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 136.981276][ C1] dev_printk_emit+0x1ce/0x210 [ 136.981292][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 136.981309][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.981325][ C1] __dev_printk+0x3dc/0x458 [ 136.981340][ C1] _dev_info+0x1e5/0x22a [ 136.981354][ C1] ? usb_read8+0xe7/0x130 [ 136.981369][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 136.981390][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 136.981406][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 136.981422][ C1] ? r871x_dev_unload+0x310/0x310 [ 136.981438][ C1] usb_probe_interface+0xfcc/0x1520 [ 136.981454][ C1] ? usb_register_driver+0x900/0x900 [ 136.981470][ C1] really_probe+0xe15/0x24d0 [ 136.981485][ C1] driver_probe_device+0x29d/0x3a0 [ 136.981501][ C1] __device_attach_driver+0x63f/0x830 [ 136.981517][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 136.981533][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 136.981550][ C1] __device_attach+0x56a/0x890 [ 136.981565][ C1] device_initial_probe+0x4a/0x60 [ 136.981581][ C1] bus_probe_device+0x17e/0x3d0 [ 136.981597][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.981614][ C1] device_add+0x2c15/0x31d0 [ 136.981629][ C1] usb_set_configuration+0x3872/0x3eb0 [ 136.981646][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 136.981663][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 136.981681][ C1] usb_generic_driver_probe+0x138/0x300 [ 136.981698][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 136.981714][ C1] usb_probe_device+0x317/0x570 [ 136.981730][ C1] ? usb_register_device_driver+0x590/0x590 [ 136.981747][ C1] really_probe+0xe15/0x24d0 [ 136.981762][ C1] driver_probe_device+0x29d/0x3a0 [ 136.981778][ C1] __device_attach_driver+0x63f/0x830 [ 136.981794][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 136.981810][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 136.981827][ C1] __device_attach+0x56a/0x890 [ 136.981847][ C1] device_initial_probe+0x4a/0x60 [ 136.981863][ C1] bus_probe_device+0x17e/0x3d0 [ 136.981879][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.981896][ C1] device_add+0x2c15/0x31d0 [ 136.981911][ C1] usb_new_device+0x1bd4/0x2a30 [ 136.981926][ C1] hub_event+0x5b99/0x8870 [ 136.981941][ C1] ? kmsan_get_metadata+0x116/0x180 [ 136.981958][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.981975][ C1] ? led_work+0x780/0x780 [ 136.981990][ C1] process_one_work+0x1219/0x1fe0 [ 136.982005][ C1] worker_thread+0x10ec/0x2340 [ 136.982020][ C1] kthread+0x521/0x560 [ 136.982035][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 136.982052][ C1] ? kthread_blkcg+0x110/0x110 [ 136.982066][ C1] ret_from_fork+0x1f/0x30 [ 136.982080][ C1] [ 136.982094][ C1] Local variable ----data@usb_read8 created at: [ 136.982112][ C1] usb_read8+0x5d/0x130 [ 136.982128][ C1] usb_read8+0x5d/0x130 [ 136.982144][ C1] ===================================================== [ 136.982165][ C1] ===================================================== [ 136.982189][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 136.982235][ C1] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 136.982291][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.982342][ C1] Workqueue: usb_hub_wq hub_event [ 136.982384][ C1] Call Trace: [ 136.982400][ C1] dump_stack+0x24c/0x2e0 [ 136.982415][ C1] kmsan_report+0xfb/0x1e0 [ 136.982429][ C1] __msan_warning+0x5c/0xa0 [ 136.982444][ C1] string+0x573/0x6d0 [ 136.982458][ C1] vsnprintf+0x1acd/0x3600 [ 136.982472][ C1] pointer+0x1cbb/0x1ea0 [ 136.982488][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.982505][ C1] vsnprintf+0x15f2/0x3600 [ 136.982519][ C1] vprintk_store+0x2ab/0x1df0 [ 136.982535][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 136.982552][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 136.982570][ C1] ? __printk_safe_enter+0xe/0x30 [ 136.982585][ C1] vprintk_emit+0x28e/0x8b0 [ 136.982600][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 136.982615][ C1] dev_printk_emit+0x1ce/0x210 [ 136.982631][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 136.982649][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.982666][ C1] __dev_printk+0x3dc/0x458 [ 136.982681][ C1] _dev_info+0x1e5/0x22a [ 136.982695][ C1] ? usb_read8+0xe7/0x130 [ 136.982710][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 136.982727][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 136.982743][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 136.982759][ C1] ? r871x_dev_unload+0x310/0x310 [ 136.982775][ C1] usb_probe_interface+0xfcc/0x1520 [ 136.982791][ C1] ? usb_register_driver+0x900/0x900 [ 136.982807][ C1] really_probe+0xe15/0x24d0 [ 136.982823][ C1] driver_probe_device+0x29d/0x3a0 [ 136.982839][ C1] __device_attach_driver+0x63f/0x830 [ 136.982855][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 136.982871][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 136.982888][ C1] __device_attach+0x56a/0x890 [ 136.982903][ C1] device_initial_probe+0x4a/0x60 [ 136.982919][ C1] bus_probe_device+0x17e/0x3d0 [ 136.982935][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.982952][ C1] device_add+0x2c15/0x31d0 [ 136.982967][ C1] usb_set_configuration+0x3872/0x3eb0 [ 136.982984][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 136.983001][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 136.983019][ C1] usb_generic_driver_probe+0x138/0x300 [ 136.983036][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 136.983053][ C1] usb_probe_device+0x317/0x570 [ 136.983069][ C1] ? usb_register_device_driver+0x590/0x590 [ 136.983086][ C1] really_probe+0xe15/0x24d0 [ 136.983101][ C1] driver_probe_device+0x29d/0x3a0 [ 136.983118][ C1] __device_attach_driver+0x63f/0x830 [ 136.983134][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 136.983150][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 136.983167][ C1] __device_attach+0x56a/0x890 [ 136.983182][ C1] device_initial_probe+0x4a/0x60 [ 136.983198][ C1] bus_probe_device+0x17e/0x3d0 [ 136.983214][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.983231][ C1] device_add+0x2c15/0x31d0 [ 136.983245][ C1] usb_new_device+0x1bd4/0x2a30 [ 136.983261][ C1] hub_event+0x5b99/0x8870 [ 136.983276][ C1] ? kmsan_get_metadata+0x116/0x180 [ 136.983292][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.983309][ C1] ? led_work+0x780/0x780 [ 136.983324][ C1] process_one_work+0x1219/0x1fe0 [ 136.983339][ C1] worker_thread+0x10ec/0x2340 [ 136.983371][ C1] kthread+0x521/0x560 [ 136.983406][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 136.983440][ C1] ? kthread_blkcg+0x110/0x110 [ 136.983474][ C1] ret_from_fork+0x1f/0x30 [ 136.983500][ C1] [ 136.983527][ C1] Local variable ----data@usb_read8 created at: [ 136.983562][ C1] usb_read8+0x5d/0x130 [ 136.983577][ C1] usb_read8+0x5d/0x130 [ 136.983593][ C1] ===================================================== [ 136.983614][ C1] ===================================================== [ 136.983634][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 136.983655][ C1] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 136.983681][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.983704][ C1] Workqueue: usb_hub_wq hub_event [ 136.983731][ C1] Call Trace: [ 136.983744][ C1] dump_stack+0x24c/0x2e0 [ 136.983759][ C1] kmsan_report+0xfb/0x1e0 [ 136.983773][ C1] __msan_warning+0x5c/0xa0 [ 136.983788][ C1] string+0x573/0x6d0 [ 136.983802][ C1] vsnprintf+0x1acd/0x3600 [ 136.983816][ C1] pointer+0x1cbb/0x1ea0 [ 136.983832][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 136.983848][ C1] vsnprintf+0x15f2/0x3600 [ 136.983864][ C1] vprintk_store+0x2ab/0x1df0 [ 136.983879][ C1] ? kmsan_internal_set_orig [ 136.983904][ C1] Lost 1731 message(s)! [ 138.273896][ T57] ===================================================== [ 138.280834][ T57] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 138.288145][ T57] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 138.297785][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.307848][ T57] Workqueue: usb_hub_wq hub_event [ 138.312906][ T57] Call Trace: [ 138.316189][ T57] dump_stack+0x24c/0x2e0 [ 138.320542][ T57] kmsan_report+0xfb/0x1e0 [ 138.324975][ T57] __msan_warning+0x5c/0xa0 [ 138.329493][ T57] r871xu_drv_init+0x1a86/0x2fe0 [ 138.334454][ T57] ? r871x_dev_unload+0x310/0x310 [ 138.339498][ T57] usb_probe_interface+0xfcc/0x1520 [ 138.344722][ T57] ? usb_register_driver+0x900/0x900 [ 138.350028][ T57] really_probe+0xe15/0x24d0 [ 138.354637][ T57] driver_probe_device+0x29d/0x3a0 [ 138.359766][ T57] __device_attach_driver+0x63f/0x830 [ 138.365156][ T57] bus_for_each_drv+0x2c8/0x3f0 [ 138.370033][ T57] ? deferred_probe_work_func+0x4d0/0x4d0 [ 138.375770][ T57] __device_attach+0x56a/0x890 [ 138.380553][ T57] device_initial_probe+0x4a/0x60 [ 138.385594][ T57] bus_probe_device+0x17e/0x3d0 [ 138.390468][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.396293][ T57] device_add+0x2c15/0x31d0 [ 138.400819][ T57] usb_set_configuration+0x3872/0x3eb0 [ 138.406308][ T57] ? usb_set_configuration+0xae1/0x3eb0 [ 138.411886][ T57] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 138.417995][ T57] usb_generic_driver_probe+0x138/0x300 [ 138.423650][ T57] ? usb_choose_configuration+0xee0/0xee0 [ 138.429390][ T57] usb_probe_device+0x317/0x570 [ 138.434294][ T57] ? usb_register_device_driver+0x590/0x590 [ 138.440216][ T57] really_probe+0xe15/0x24d0 [ 138.444866][ T57] driver_probe_device+0x29d/0x3a0 [ 138.449997][ T57] __device_attach_driver+0x63f/0x830 [ 138.455393][ T57] bus_for_each_drv+0x2c8/0x3f0 [ 138.460299][ T57] ? deferred_probe_work_func+0x4d0/0x4d0 [ 138.466070][ T57] __device_attach+0x56a/0x890 [ 138.470851][ T57] device_initial_probe+0x4a/0x60 [ 138.475892][ T57] bus_probe_device+0x17e/0x3d0 [ 138.480765][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.486590][ T57] device_add+0x2c15/0x31d0 [ 138.491133][ T57] usb_new_device+0x1bd4/0x2a30 [ 138.496007][ T57] hub_event+0x5b99/0x8870 [ 138.500453][ T57] ? kmsan_get_metadata+0x116/0x180 [ 138.505734][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.511593][ T57] ? led_work+0x780/0x780 [ 138.515941][ T57] process_one_work+0x1219/0x1fe0 [ 138.521062][ T57] worker_thread+0x10ec/0x2340 [ 138.525857][ T57] kthread+0x521/0x560 [ 138.529955][ T57] ? process_one_work+0x1fe0/0x1fe0 [ 138.535178][ T57] ? kthread_blkcg+0x110/0x110 [ 138.539964][ T57] ret_from_fork+0x1f/0x30 [ 138.544402][ T57] [ 138.546737][ T57] Local variable ----data@usb_read8 created at: [ 138.553068][ T57] usb_read8+0x5d/0x130 [ 138.557250][ T57] usb_read8+0x5d/0x130 [ 138.561424][ T57] ===================================================== [ 138.568578][ T57] ===================================================== [ 138.575520][ T57] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 138.582942][ T57] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 138.592614][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.602679][ T57] Workqueue: usb_hub_wq hub_event [ 138.607722][ T57] Call Trace: [ 138.611004][ T57] dump_stack+0x24c/0x2e0 [ 138.615361][ T57] kmsan_report+0xfb/0x1e0 [ 138.619832][ T57] __msan_warning+0x5c/0xa0 [ 138.624350][ T57] r871xu_drv_init+0x2a38/0x2fe0 [ 138.629317][ T57] ? r871x_dev_unload+0x310/0x310 [ 138.634380][ T57] usb_probe_interface+0xfcc/0x1520 [ 138.639601][ T57] ? usb_register_driver+0x900/0x900 [ 138.644909][ T57] really_probe+0xe15/0x24d0 [ 138.649519][ T57] driver_probe_device+0x29d/0x3a0 [ 138.654759][ T57] __device_attach_driver+0x63f/0x830 [ 138.660149][ T57] bus_for_each_drv+0x2c8/0x3f0 [ 138.665034][ T57] ? deferred_probe_work_func+0x4d0/0x4d0 [ 138.670773][ T57] __device_attach+0x56a/0x890 [ 138.675555][ T57] device_initial_probe+0x4a/0x60 [ 138.680596][ T57] bus_probe_device+0x17e/0x3d0 [ 138.685476][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.691306][ T57] device_add+0x2c15/0x31d0 [ 138.695833][ T57] usb_set_configuration+0x3872/0x3eb0 [ 138.701328][ T57] ? usb_set_configuration+0xae1/0x3eb0 [ 138.707074][ T57] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 138.713195][ T57] usb_generic_driver_probe+0x138/0x300 [ 138.718764][ T57] ? usb_choose_configuration+0xee0/0xee0 [ 138.724501][ T57] usb_probe_device+0x317/0x570 [ 138.729376][ T57] ? usb_register_device_driver+0x590/0x590 [ 138.735290][ T57] really_probe+0xe15/0x24d0 [ 138.739908][ T57] driver_probe_device+0x29d/0x3a0 [ 138.745033][ T57] __device_attach_driver+0x63f/0x830 [ 138.750430][ T57] bus_for_each_drv+0x2c8/0x3f0 [ 138.755319][ T57] ? deferred_probe_work_func+0x4d0/0x4d0 [ 138.761057][ T57] __device_attach+0x56a/0x890 [ 138.765845][ T57] device_initial_probe+0x4a/0x60 [ 138.770893][ T57] bus_probe_device+0x17e/0x3d0 [ 138.775773][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.781601][ T57] device_add+0x2c15/0x31d0 [ 138.786131][ T57] usb_new_device+0x1bd4/0x2a30 [ 138.791001][ T57] hub_event+0x5b99/0x8870 [ 138.795443][ T57] ? kmsan_get_metadata+0x116/0x180 [ 138.800661][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.806489][ T57] ? led_work+0x780/0x780 [ 138.810831][ T57] process_one_work+0x1219/0x1fe0 [ 138.815857][ T57] worker_thread+0x10ec/0x2340 [ 138.820625][ T57] kthread+0x521/0x560 [ 138.824709][ T57] ? process_one_work+0x1fe0/0x1fe0 [ 138.829902][ T57] ? kthread_blkcg+0x110/0x110 [ 138.834678][ T57] ret_from_fork+0x1f/0x30 [ 138.839093][ T57] [ 138.841405][ T57] Local variable ----mac@r871xu_drv_init created at: [ 138.848059][ T57] r871xu_drv_init+0x189d/0x2fe0 [ 138.853003][ T57] r871xu_drv_init+0x189d/0x2fe0 [ 138.858022][ T57] ===================================================== [ 138.865166][ T57] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 138.872876][ T57] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 138.886110][ T57] usb 1-1: USB disconnect, device number 2 [ 138.898705][ T1983] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 138.907857][ T1983] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 138.951596][ T1983] usb 1-1: r8712u: Firmware request failed [ 139.313618][ T57] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 139.563525][ T57] usb 1-1: Using ep0 maxpacket: 16 [ 139.683743][ T57] usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 139.853837][ T57] usb 1-1: New USB device found, idVendor=050d, idProduct=815f, bcdDevice=b5.9b [ 139.863119][ T57] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 139.871369][ T57] usb 1-1: Product: syz [ 139.875755][ T57] usb 1-1: Manufacturer: syz [ 139.880422][ T57] usb 1-1: SerialNumber: syz [ 139.888318][ T57] usb 1-1: config 0 descriptor?? [ 139.941128][ T57] r8712u: register rtl8712_netdev_ops to netdev_ops [ 139.947987][ T57] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 140.053616][ T57] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 140.058999][ C1] ===================================================== [ 140.059022][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.059044][ C1] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.059071][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.059095][ C1] Workqueue: usb_hub_wq hub_event [ 140.059124][ C1] Call Trace: [ 140.059138][ C1] dump_stack+0x24c/0x2e0 [ 140.059153][ C1] kmsan_report+0xfb/0x1e0 [ 140.059167][ C1] __msan_warning+0x5c/0xa0 [ 140.059182][ C1] string+0x573/0x6d0 [ 140.059196][ C1] vsnprintf+0x1acd/0x3600 [ 140.059211][ C1] pointer+0x1cbb/0x1ea0 [ 140.059227][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.059243][ C1] vsnprintf+0x15f2/0x3600 [ 140.059259][ C1] vprintk_store+0x2ab/0x1df0 [ 140.059274][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.059292][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 140.059309][ C1] ? __printk_safe_enter+0xe/0x30 [ 140.059324][ C1] vprintk_emit+0x28e/0x8b0 [ 140.059339][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 140.059354][ C1] dev_printk_emit+0x1ce/0x210 [ 140.059370][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.059387][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.059404][ C1] __dev_printk+0x3dc/0x458 [ 140.059419][ C1] _dev_info+0x1e5/0x22a [ 140.059433][ C1] ? usb_read8+0xe7/0x130 [ 140.059448][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.059464][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.059481][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 140.059496][ C1] ? r871x_dev_unload+0x310/0x310 [ 140.059512][ C1] usb_probe_interface+0xfcc/0x1520 [ 140.059528][ C1] ? usb_register_driver+0x900/0x900 [ 140.059544][ C1] really_probe+0xe15/0x24d0 [ 140.059559][ C1] driver_probe_device+0x29d/0x3a0 [ 140.059575][ C1] __device_attach_driver+0x63f/0x830 [ 140.059591][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 140.059607][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.059624][ C1] __device_attach+0x56a/0x890 [ 140.059639][ C1] device_initial_probe+0x4a/0x60 [ 140.059655][ C1] bus_probe_device+0x17e/0x3d0 [ 140.059671][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.059688][ C1] device_add+0x2c15/0x31d0 [ 140.059703][ C1] usb_set_configuration+0x3872/0x3eb0 [ 140.059719][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 140.059737][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 140.059754][ C1] usb_generic_driver_probe+0x138/0x300 [ 140.059771][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 140.059788][ C1] usb_probe_device+0x317/0x570 [ 140.059804][ C1] ? usb_register_device_driver+0x590/0x590 [ 140.059821][ C1] really_probe+0xe15/0x24d0 [ 140.059836][ C1] driver_probe_device+0x29d/0x3a0 [ 140.059852][ C1] __device_attach_driver+0x63f/0x830 [ 140.059868][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 140.059888][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.059905][ C1] __device_attach+0x56a/0x890 [ 140.059921][ C1] device_initial_probe+0x4a/0x60 [ 140.059937][ C1] bus_probe_device+0x17e/0x3d0 [ 140.059954][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.059971][ C1] device_add+0x2c15/0x31d0 [ 140.059986][ C1] usb_new_device+0x1bd4/0x2a30 [ 140.060001][ C1] hub_event+0x5b99/0x8870 [ 140.060016][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.060033][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.060049][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.060066][ C1] ? led_work+0x780/0x780 [ 140.060081][ C1] process_one_work+0x1219/0x1fe0 [ 140.060096][ C1] worker_thread+0x12bc/0x2340 [ 140.060111][ C1] kthread+0x521/0x560 [ 140.060126][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 140.060141][ C1] ? kthread_blkcg+0x110/0x110 [ 140.060156][ C1] ret_from_fork+0x1f/0x30 [ 140.060170][ C1] [ 140.060182][ C1] Local variable ----data@usb_read8 created at: [ 140.060200][ C1] usb_read8+0x5d/0x130 [ 140.060215][ C1] usb_read8+0x5d/0x130 [ 140.060231][ C1] ===================================================== [ 140.060251][ C1] ===================================================== [ 140.060271][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.060292][ C1] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.060318][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.060342][ C1] Workqueue: usb_hub_wq hub_event [ 140.060368][ C1] Call Trace: [ 140.060381][ C1] dump_stack+0x24c/0x2e0 [ 140.060395][ C1] kmsan_report+0xfb/0x1e0 [ 140.060410][ C1] __msan_warning+0x5c/0xa0 [ 140.060424][ C1] string+0x573/0x6d0 [ 140.060438][ C1] vsnprintf+0x1acd/0x3600 [ 140.060452][ C1] pointer+0x1cbb/0x1ea0 [ 140.060467][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.060484][ C1] vsnprintf+0x15f2/0x3600 [ 140.060499][ C1] vprintk_store+0x2ab/0x1df0 [ 140.060514][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.060532][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 140.060549][ C1] ? __printk_safe_enter+0xe/0x30 [ 140.060564][ C1] vprintk_emit+0x28e/0x8b0 [ 140.060579][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 140.060594][ C1] dev_printk_emit+0x1ce/0x210 [ 140.060610][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.060627][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.060644][ C1] __dev_printk+0x3dc/0x458 [ 140.060659][ C1] _dev_info+0x1e5/0x22a [ 140.060673][ C1] ? usb_read8+0xe7/0x130 [ 140.060688][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.060705][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.060721][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 140.060737][ C1] ? r871x_dev_unload+0x310/0x310 [ 140.060753][ C1] usb_probe_interface+0xfcc/0x1520 [ 140.060769][ C1] ? usb_register_driver+0x900/0x900 [ 140.060785][ C1] really_probe+0xe15/0x24d0 [ 140.060800][ C1] driver_probe_device+0x29d/0x3a0 [ 140.060816][ C1] __device_attach_driver+0x63f/0x830 [ 140.060832][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 140.060849][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.060866][ C1] __device_attach+0x56a/0x890 [ 140.060885][ C1] device_initial_probe+0x4a/0x60 [ 140.060901][ C1] bus_probe_device+0x17e/0x3d0 [ 140.060917][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.060934][ C1] device_add+0x2c15/0x31d0 [ 140.060949][ C1] usb_set_configuration+0x3872/0x3eb0 [ 140.060966][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 140.060983][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 140.061001][ C1] usb_generic_driver_probe+0x138/0x300 [ 140.061018][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 140.061035][ C1] usb_probe_device+0x317/0x570 [ 140.061051][ C1] ? usb_register_device_driver+0x590/0x590 [ 140.061068][ C1] really_probe+0xe15/0x24d0 [ 140.061083][ C1] driver_probe_device+0x29d/0x3a0 [ 140.061099][ C1] __device_attach_driver+0x63f/0x830 [ 140.061115][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 140.061131][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.061148][ C1] __device_attach+0x56a/0x890 [ 140.061163][ C1] device_initial_probe+0x4a/0x60 [ 140.061179][ C1] bus_probe_device+0x17e/0x3d0 [ 140.061195][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.061211][ C1] device_add+0x2c15/0x31d0 [ 140.061226][ C1] usb_new_device+0x1bd4/0x2a30 [ 140.061241][ C1] hub_event+0x5b99/0x8870 [ 140.061256][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.061272][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.061289][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.061305][ C1] ? led_work+0x780/0x780 [ 140.061320][ C1] process_one_work+0x1219/0x1fe0 [ 140.061336][ C1] worker_thread+0x12bc/0x2340 [ 140.061351][ C1] kthread+0x521/0x560 [ 140.061365][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 140.061381][ C1] ? kthread_blkcg+0x110/0x110 [ 140.061396][ C1] ret_from_fork+0x1f/0x30 [ 140.061409][ C1] [ 140.061422][ C1] Local variable ----data@usb_read8 created at: [ 140.061440][ C1] usb_read8+0x5d/0x130 [ 140.061455][ C1] usb_read8+0x5d/0x130 [ 140.061472][ C1] ===================================================== [ 140.061492][ C1] ===================================================== [ 140.061512][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.061533][ C1] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.061559][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.061582][ C1] Workqueue: usb_hub_wq hub_event [ 140.061608][ C1] Call Trace: [ 140.061621][ C1] dump_stack+0x24c/0x2e0 [ 140.061635][ C1] kmsan_report+0xfb/0x1e0 [ 140.061650][ C1] __msan_warning+0x5c/0xa0 [ 140.061664][ C1] string+0x573/0x6d0 [ 140.061677][ C1] vsnprintf+0x1acd/0x3600 [ 140.061692][ C1] pointer+0x1cbb/0x1ea0 [ 140.061707][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.061723][ C1] vsnprintf+0x15f2/0x3600 [ 140.061738][ C1] vprintk_store+0x2ab/0x1df0 [ 140.061756][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.061773][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 140.061790][ C1] ? __printk_safe_enter+0xe/0x30 [ 140.061805][ C1] vprintk_emit+0x28e/0x8b0 [ 140.061820][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 140.061835][ C1] dev_printk_emit+0x1ce/0x210 [ 140.061851][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.061868][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.061891][ C1] __dev_printk+0x3dc/0x458 [ 140.061906][ C1] _dev_info+0x1e5/0x22a [ 140.061920][ C1] ? usb_read8+0xe7/0x130 [ 140.061935][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.061951][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.061967][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 140.061983][ C1] ? r871x_dev_unload+0x310/0x310 [ 140.061999][ C1] usb_probe_interface+0xfcc/0x1520 [ 140.062015][ C1] ? usb_register_driver+0x900/0x900 [ 140.062030][ C1] really_probe+0xe15/0x24d0 [ 140.062045][ C1] driver_probe_device+0x29d/0x3a0 [ 140.062061][ C1] __device_attach_driver+0x63f/0x830 [ 140.062077][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 140.062093][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.062110][ C1] __device_attach+0x56a/0x890 [ 140.062125][ C1] device_initial_probe+0x4a/0x60 [ 140.062141][ C1] bus_probe_device+0x17e/0x3d0 [ 140.062157][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.062174][ C1] device_add+0x2c15/0x31d0 [ 140.062189][ C1] usb_set_configuration+0x3872/0x3eb0 [ 140.062206][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 140.062223][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 140.062240][ C1] usb_generic_driver_probe+0x138/0x300 [ 140.062257][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 140.062275][ C1] usb_probe_device+0x317/0x570 [ 140.062290][ C1] ? usb_register_device_driver+0x590/0x590 [ 140.062307][ C1] really_probe+0xe15/0x24d0 [ 140.062322][ C1] driver_probe_device+0x29d/0x3a0 [ 140.062338][ C1] __device_attach_driver+0x63f/0x830 [ 140.062355][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 140.062371][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.062387][ C1] __device_attach+0x56a/0x890 [ 140.062403][ C1] device_initial_probe+0x4a/0x60 [ 140.062418][ C1] bus_probe_device+0x17e/0x3d0 [ 140.062434][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.062451][ C1] device_add+0x2c15/0x31d0 [ 140.062466][ C1] usb_new_device+0x1bd4/0x2a30 [ 140.062481][ C1] hub_event+0x5b99/0x8870 [ 140.062496][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.062512][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.062529][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.062546][ C1] ? led_work+0x780/0x780 [ 140.062561][ C1] process_one_work+0x1219/0x1fe0 [ 140.062576][ C1] worker_thread+0x12bc/0x2340 [ 140.062591][ C1] kthread+0x521/0x560 [ 140.062606][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 140.062622][ C1] ? kthread_blkcg+0x110/0x110 [ 140.062637][ C1] ret_from_fork+0x1f/0x30 [ 140.062650][ C1] [ 140.062663][ C1] Local variable ----data@usb_read8 created at: [ 140.062681][ C1] usb_read8+0x5d/0x130 [ 140.062696][ C1] usb_read8+0x5d/0x130 [ 140.062713][ C1] ===================================================== [ 140.062733][ C1] ===================================================== [ 140.062753][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.062774][ C1] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.062801][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.062824][ C1] Workqueue: usb_hub_wq hub_event [ 140.062850][ C1] Call Trace: [ 140.062863][ C1] dump_stack+0x24c/0x2e0 [ 140.062877][ C1] kmsan_report+0xfb/0x1e0 [ 140.062896][ C1] __msan_warning+0x5c/0xa0 [ 140.062910][ C1] string+0x573/0x6d0 [ 140.062925][ C1] vsnprintf+0x1acd/0x3600 [ 140.062939][ C1] pointer+0x1cbb/0x1ea0 [ 140.062955][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.062971][ C1] vsnprin [ 140.062994][ C1] Lost 1756 message(s)! [ 141.353209][ T57] ===================================================== [ 141.360189][ T57] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 executing program [ 141.367534][ T57] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.377223][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.387310][ T57] Workqueue: usb_hub_wq hub_event [ 141.392356][ T57] Call Trace: [ 141.395642][ T57] dump_stack+0x24c/0x2e0 [ 141.399996][ T57] kmsan_report+0xfb/0x1e0 [ 141.404424][ T57] __msan_warning+0x5c/0xa0 [ 141.408937][ T57] r871xu_drv_init+0x1a86/0x2fe0 [ 141.413907][ T57] ? r871x_dev_unload+0x310/0x310 [ 141.418953][ T57] usb_probe_interface+0xfcc/0x1520 [ 141.424175][ T57] ? usb_register_driver+0x900/0x900 [ 141.429483][ T57] really_probe+0xe15/0x24d0 [ 141.434092][ T57] driver_probe_device+0x29d/0x3a0 [ 141.439366][ T57] __device_attach_driver+0x63f/0x830 [ 141.444755][ T57] bus_for_each_drv+0x2c8/0x3f0 [ 141.449631][ T57] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.455376][ T57] __device_attach+0x56a/0x890 [ 141.460161][ T57] device_initial_probe+0x4a/0x60 [ 141.465199][ T57] bus_probe_device+0x17e/0x3d0 [ 141.470074][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.475905][ T57] device_add+0x2c15/0x31d0 [ 141.480430][ T57] usb_set_configuration+0x3872/0x3eb0 [ 141.485928][ T57] ? usb_set_configuration+0xae1/0x3eb0 [ 141.491520][ T57] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 141.497610][ T57] usb_generic_driver_probe+0x138/0x300 [ 141.503176][ T57] ? usb_choose_configuration+0xee0/0xee0 [ 141.508918][ T57] usb_probe_device+0x317/0x570 [ 141.513792][ T57] ? usb_register_device_driver+0x590/0x590 [ 141.519705][ T57] really_probe+0xe15/0x24d0 [ 141.524316][ T57] driver_probe_device+0x29d/0x3a0 [ 141.529443][ T57] __device_attach_driver+0x63f/0x830 [ 141.534833][ T57] bus_for_each_drv+0x2c8/0x3f0 [ 141.539709][ T57] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.545507][ T57] __device_attach+0x56a/0x890 [ 141.550288][ T57] device_initial_probe+0x4a/0x60 [ 141.555324][ T57] bus_probe_device+0x17e/0x3d0 [ 141.560197][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.566021][ T57] device_add+0x2c15/0x31d0 [ 141.570550][ T57] usb_new_device+0x1bd4/0x2a30 [ 141.575540][ T57] hub_event+0x5b99/0x8870 [ 141.579967][ T57] ? kmsan_get_metadata+0x116/0x180 [ 141.585191][ T57] ? kmsan_get_metadata+0x116/0x180 [ 141.590408][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.596233][ T57] ? led_work+0x780/0x780 [ 141.600572][ T57] process_one_work+0x1219/0x1fe0 [ 141.605624][ T57] worker_thread+0x12bc/0x2340 [ 141.610420][ T57] kthread+0x521/0x560 [ 141.614503][ T57] ? process_one_work+0x1fe0/0x1fe0 [ 141.619809][ T57] ? kthread_blkcg+0x110/0x110 [ 141.624590][ T57] ret_from_fork+0x1f/0x30 [ 141.629053][ T57] [ 141.631374][ T57] Local variable ----data@usb_read8 created at: [ 141.637605][ T57] usb_read8+0x5d/0x130 [ 141.641774][ T57] usb_read8+0x5d/0x130 [ 141.645942][ T57] ===================================================== [ 141.653529][ T57] ===================================================== [ 141.660465][ T57] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 141.667776][ T57] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.677416][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.687566][ T57] Workqueue: usb_hub_wq hub_event [ 141.692588][ T57] Call Trace: [ 141.695900][ T57] dump_stack+0x24c/0x2e0 [ 141.700223][ T57] kmsan_report+0xfb/0x1e0 [ 141.704731][ T57] __msan_warning+0x5c/0xa0 [ 141.709230][ T57] r871xu_drv_init+0x2a38/0x2fe0 [ 141.714238][ T57] ? r871x_dev_unload+0x310/0x310 [ 141.719285][ T57] usb_probe_interface+0xfcc/0x1520 [ 141.724482][ T57] ? usb_register_driver+0x900/0x900 [ 141.729802][ T57] really_probe+0xe15/0x24d0 [ 141.734417][ T57] driver_probe_device+0x29d/0x3a0 [ 141.739517][ T57] __device_attach_driver+0x63f/0x830 [ 141.744890][ T57] bus_for_each_drv+0x2c8/0x3f0 [ 141.749870][ T57] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.755586][ T57] __device_attach+0x56a/0x890 [ 141.760343][ T57] device_initial_probe+0x4a/0x60 [ 141.765355][ T57] bus_probe_device+0x17e/0x3d0 [ 141.770207][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.776028][ T57] device_add+0x2c15/0x31d0 [ 141.780532][ T57] usb_set_configuration+0x3872/0x3eb0 [ 141.786013][ T57] ? usb_set_configuration+0xae1/0x3eb0 [ 141.791559][ T57] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 141.797713][ T57] usb_generic_driver_probe+0x138/0x300 [ 141.803275][ T57] ? usb_choose_configuration+0xee0/0xee0 [ 141.808982][ T57] usb_probe_device+0x317/0x570 [ 141.813830][ T57] ? usb_register_device_driver+0x590/0x590 [ 141.819740][ T57] really_probe+0xe15/0x24d0 [ 141.824321][ T57] driver_probe_device+0x29d/0x3a0 [ 141.829420][ T57] __device_attach_driver+0x63f/0x830 [ 141.834781][ T57] bus_for_each_drv+0x2c8/0x3f0 [ 141.839624][ T57] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.845332][ T57] __device_attach+0x56a/0x890 [ 141.850088][ T57] device_initial_probe+0x4a/0x60 [ 141.855111][ T57] bus_probe_device+0x17e/0x3d0 [ 141.859966][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.865780][ T57] device_add+0x2c15/0x31d0 [ 141.870410][ T57] usb_new_device+0x1bd4/0x2a30 [ 141.875255][ T57] hub_event+0x5b99/0x8870 [ 141.879665][ T57] ? kmsan_get_metadata+0x116/0x180 [ 141.884863][ T57] ? kmsan_get_metadata+0x116/0x180 [ 141.890051][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.895863][ T57] ? led_work+0x780/0x780 [ 141.900183][ T57] process_one_work+0x1219/0x1fe0 [ 141.905205][ T57] worker_thread+0x12bc/0x2340 [ 141.909961][ T57] kthread+0x521/0x560 [ 141.914021][ T57] ? process_one_work+0x1fe0/0x1fe0 [ 141.919211][ T57] ? kthread_blkcg+0x110/0x110 [ 141.923964][ T57] ret_from_fork+0x1f/0x30 [ 141.928375][ T57] [ 141.930699][ T57] Local variable ----mac@r871xu_drv_init created at: [ 141.937453][ T57] r871xu_drv_init+0x189d/0x2fe0 [ 141.942383][ T57] r871xu_drv_init+0x189d/0x2fe0 [ 141.947317][ T57] ===================================================== [ 141.954535][ T57] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 141.962159][ T57] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 142.007479][ T1983] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 142.016500][ T1983] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 142.034828][ T57] usb 1-1: USB disconnect, device number 3 [ 142.053171][ T1983] usb 1-1: r8712u: Firmware request failed [ 142.413588][ T57] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 142.653543][ T57] usb 1-1: Using ep0 maxpacket: 16 [ 142.773808][ T57] usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 142.943680][ T57] usb 1-1: New USB device found, idVendor=050d, idProduct=815f, bcdDevice=b5.9b [ 142.952983][ T57] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 142.961384][ T57] usb 1-1: Product: syz [ 142.965784][ T57] usb 1-1: Manufacturer: syz [ 142.970450][ T57] usb 1-1: SerialNumber: syz [ 142.978451][ T57] usb 1-1: config 0 descriptor?? [ 143.031107][ T57] r8712u: register rtl8712_netdev_ops to netdev_ops [ 143.037978][ T57] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 143.143680][ T57] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 143.149006][ C1] ===================================================== [ 143.149030][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.149051][ C1] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.149078][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.149103][ C1] Workqueue: usb_hub_wq hub_event [ 143.149132][ C1] Call Trace: [ 143.149145][ C1] dump_stack+0x24c/0x2e0 [ 143.149160][ C1] kmsan_report+0xfb/0x1e0 [ 143.149175][ C1] __msan_warning+0x5c/0xa0 [ 143.149190][ C1] string+0x573/0x6d0 [ 143.149204][ C1] vsnprintf+0x1acd/0x3600 [ 143.149219][ C1] pointer+0x1cbb/0x1ea0 [ 143.149234][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.149251][ C1] vsnprintf+0x15f2/0x3600 [ 143.149266][ C1] vprintk_store+0x2ab/0x1df0 [ 143.149282][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.149299][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 143.149316][ C1] ? __printk_safe_enter+0xe/0x30 [ 143.149332][ C1] vprintk_emit+0x28e/0x8b0 [ 143.149348][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 143.149363][ C1] dev_printk_emit+0x1ce/0x210 [ 143.149379][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.149396][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.149414][ C1] __dev_printk+0x3dc/0x458 [ 143.149428][ C1] _dev_info+0x1e5/0x22a [ 143.149443][ C1] ? usb_read8+0xe7/0x130 [ 143.149458][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.149474][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.149491][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 143.149507][ C1] ? r871x_dev_unload+0x310/0x310 [ 143.149523][ C1] usb_probe_interface+0xfcc/0x1520 [ 143.149539][ C1] ? usb_register_driver+0x900/0x900 [ 143.149555][ C1] really_probe+0xe15/0x24d0 [ 143.149570][ C1] driver_probe_device+0x29d/0x3a0 [ 143.149587][ C1] __device_attach_driver+0x63f/0x830 [ 143.149603][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 143.149619][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.149636][ C1] __device_attach+0x56a/0x890 [ 143.149651][ C1] device_initial_probe+0x4a/0x60 [ 143.149667][ C1] bus_probe_device+0x17e/0x3d0 [ 143.149683][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.149700][ C1] device_add+0x2c15/0x31d0 [ 143.149715][ C1] usb_set_configuration+0x3872/0x3eb0 [ 143.149732][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 143.149749][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.149767][ C1] usb_generic_driver_probe+0x138/0x300 [ 143.149784][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 143.149801][ C1] usb_probe_device+0x317/0x570 [ 143.149817][ C1] ? usb_register_device_driver+0x590/0x590 [ 143.149833][ C1] really_probe+0xe15/0x24d0 [ 143.149849][ C1] driver_probe_device+0x29d/0x3a0 [ 143.149882][ C1] __device_attach_driver+0x63f/0x830 [ 143.149898][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 143.149914][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.149931][ C1] __device_attach+0x56a/0x890 [ 143.149946][ C1] device_initial_probe+0x4a/0x60 [ 143.149962][ C1] bus_probe_device+0x17e/0x3d0 [ 143.149978][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.149996][ C1] device_add+0x2c15/0x31d0 [ 143.150012][ C1] usb_new_device+0x1bd4/0x2a30 [ 143.150027][ C1] hub_event+0x5b99/0x8870 [ 143.150042][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.150058][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.150075][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.150091][ C1] ? led_work+0x780/0x780 [ 143.150106][ C1] process_one_work+0x1219/0x1fe0 [ 143.150122][ C1] worker_thread+0x12bc/0x2340 [ 143.150136][ C1] kthread+0x521/0x560 [ 143.150150][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 143.150166][ C1] ? kthread_blkcg+0x110/0x110 [ 143.150181][ C1] ret_from_fork+0x1f/0x30 [ 143.150195][ C1] [ 143.150208][ C1] Local variable ----data@usb_read8 created at: [ 143.150226][ C1] usb_read8+0x5d/0x130 [ 143.150241][ C1] usb_read8+0x5d/0x130 [ 143.150257][ C1] ===================================================== [ 143.150277][ C1] ===================================================== [ 143.150297][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.150318][ C1] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.150344][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.150367][ C1] Workqueue: usb_hub_wq hub_event [ 143.150394][ C1] Call Trace: [ 143.150406][ C1] dump_stack+0x24c/0x2e0 [ 143.150421][ C1] kmsan_report+0xfb/0x1e0 [ 143.150435][ C1] __msan_warning+0x5c/0xa0 [ 143.150450][ C1] string+0x573/0x6d0 [ 143.150464][ C1] vsnprintf+0x1acd/0x3600 [ 143.150478][ C1] pointer+0x1cbb/0x1ea0 [ 143.150493][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.150510][ C1] vsnprintf+0x15f2/0x3600 [ 143.150525][ C1] vprintk_store+0x2ab/0x1df0 [ 143.150541][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.150558][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 143.150575][ C1] ? __printk_safe_enter+0xe/0x30 [ 143.150590][ C1] vprintk_emit+0x28e/0x8b0 [ 143.150605][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 143.150621][ C1] dev_printk_emit+0x1ce/0x210 [ 143.150637][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.150654][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.150670][ C1] __dev_printk+0x3dc/0x458 [ 143.150685][ C1] _dev_info+0x1e5/0x22a [ 143.150699][ C1] ? usb_read8+0xe7/0x130 [ 143.150714][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.150730][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.150747][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 143.150762][ C1] ? r871x_dev_unload+0x310/0x310 [ 143.150778][ C1] usb_probe_interface+0xfcc/0x1520 [ 143.150794][ C1] ? usb_register_driver+0x900/0x900 [ 143.150811][ C1] really_probe+0xe15/0x24d0 [ 143.150826][ C1] driver_probe_device+0x29d/0x3a0 [ 143.150842][ C1] __device_attach_driver+0x63f/0x830 [ 143.150858][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 143.150879][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.150895][ C1] __device_attach+0x56a/0x890 [ 143.150911][ C1] device_initial_probe+0x4a/0x60 [ 143.150927][ C1] bus_probe_device+0x17e/0x3d0 [ 143.150942][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.150959][ C1] device_add+0x2c15/0x31d0 [ 143.150974][ C1] usb_set_configuration+0x3872/0x3eb0 [ 143.150991][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 143.151008][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.151026][ C1] usb_generic_driver_probe+0x138/0x300 [ 143.151042][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 143.151059][ C1] usb_probe_device+0x317/0x570 [ 143.151075][ C1] ? usb_register_device_driver+0x590/0x590 [ 143.151092][ C1] really_probe+0xe15/0x24d0 [ 143.151107][ C1] driver_probe_device+0x29d/0x3a0 [ 143.151123][ C1] __device_attach_driver+0x63f/0x830 [ 143.151139][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 143.151156][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.151172][ C1] __device_attach+0x56a/0x890 [ 143.151187][ C1] device_initial_probe+0x4a/0x60 [ 143.151203][ C1] bus_probe_device+0x17e/0x3d0 [ 143.151219][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.151236][ C1] device_add+0x2c15/0x31d0 [ 143.151251][ C1] usb_new_device+0x1bd4/0x2a30 [ 143.151266][ C1] hub_event+0x5b99/0x8870 [ 143.151281][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.151297][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.151314][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.151330][ C1] ? led_work+0x780/0x780 [ 143.151345][ C1] process_one_work+0x1219/0x1fe0 [ 143.151361][ C1] worker_thread+0x12bc/0x2340 [ 143.151375][ C1] kthread+0x521/0x560 [ 143.151390][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 143.151406][ C1] ? kthread_blkcg+0x110/0x110 [ 143.151421][ C1] ret_from_fork+0x1f/0x30 [ 143.151434][ C1] [ 143.151447][ C1] Local variable ----data@usb_read8 created at: [ 143.151468][ C1] usb_read8+0x5d/0x130 [ 143.151483][ C1] usb_read8+0x5d/0x130 [ 143.151499][ C1] ===================================================== [ 143.151519][ C1] ===================================================== [ 143.151540][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.151561][ C1] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.151587][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.151610][ C1] Workqueue: usb_hub_wq hub_event [ 143.151637][ C1] Call Trace: [ 143.151650][ C1] dump_stack+0x24c/0x2e0 [ 143.151664][ C1] kmsan_report+0xfb/0x1e0 [ 143.151679][ C1] __msan_warning+0x5c/0xa0 [ 143.151693][ C1] string+0x573/0x6d0 [ 143.151707][ C1] vsnprintf+0x1acd/0x3600 [ 143.151721][ C1] pointer+0x1cbb/0x1ea0 [ 143.151736][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.151753][ C1] vsnprintf+0x15f2/0x3600 [ 143.151767][ C1] vprintk_store+0x2ab/0x1df0 [ 143.151783][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.151800][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 143.151817][ C1] ? __printk_safe_enter+0xe/0x30 [ 143.151832][ C1] vprintk_emit+0x28e/0x8b0 [ 143.151847][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 143.151862][ C1] dev_printk_emit+0x1ce/0x210 [ 143.151882][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.151899][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.151916][ C1] __dev_printk+0x3dc/0x458 [ 143.151931][ C1] _dev_info+0x1e5/0x22a [ 143.151945][ C1] ? usb_read8+0xe7/0x130 [ 143.151960][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.151976][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.151992][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 143.152007][ C1] ? r871x_dev_unload+0x310/0x310 [ 143.152023][ C1] usb_probe_interface+0xfcc/0x1520 [ 143.152039][ C1] ? usb_register_driver+0x900/0x900 [ 143.152055][ C1] really_probe+0xe15/0x24d0 [ 143.152070][ C1] driver_probe_device+0x29d/0x3a0 [ 143.152086][ C1] __device_attach_driver+0x63f/0x830 [ 143.152102][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 143.152118][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.152135][ C1] __device_attach+0x56a/0x890 [ 143.152150][ C1] device_initial_probe+0x4a/0x60 [ 143.152166][ C1] bus_probe_device+0x17e/0x3d0 [ 143.152182][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.152198][ C1] device_add+0x2c15/0x31d0 [ 143.152214][ C1] usb_set_configuration+0x3872/0x3eb0 [ 143.152230][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 143.152247][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.152265][ C1] usb_generic_driver_probe+0x138/0x300 [ 143.152282][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 143.152299][ C1] usb_probe_device+0x317/0x570 [ 143.152315][ C1] ? usb_register_device_driver+0x590/0x590 [ 143.152332][ C1] really_probe+0xe15/0x24d0 [ 143.152347][ C1] driver_probe_device+0x29d/0x3a0 [ 143.152363][ C1] __device_attach_driver+0x63f/0x830 [ 143.152379][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 143.152395][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.152411][ C1] __device_attach+0x56a/0x890 [ 143.152427][ C1] device_initial_probe+0x4a/0x60 [ 143.152442][ C1] bus_probe_device+0x17e/0x3d0 [ 143.152458][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.152475][ C1] device_add+0x2c15/0x31d0 [ 143.152490][ C1] usb_new_device+0x1bd4/0x2a30 [ 143.152505][ C1] hub_event+0x5b99/0x8870 [ 143.152520][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.152536][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.152564][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.152580][ C1] ? led_work+0x780/0x780 [ 143.152594][ C1] process_one_work+0x1219/0x1fe0 [ 143.152609][ C1] worker_thread+0x12bc/0x2340 [ 143.152624][ C1] kthread+0x521/0x560 [ 143.152637][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 143.152653][ C1] ? kthread_blkcg+0x110/0x110 [ 143.152668][ C1] ret_from_fork+0x1f/0x30 [ 143.152681][ C1] [ 143.152693][ C1] Local variable ----data@usb_read8 created at: [ 143.152711][ C1] usb_read8+0x5d/0x130 [ 143.152725][ C1] usb_read8+0x5d/0x130 [ 143.152741][ C1] ===================================================== [ 143.152760][ C1] ===================================================== [ 143.152780][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.152801][ C1] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.152826][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.152848][ C1] Workqueue: usb_hub_wq hub_event [ 143.152878][ C1] Call Trace: [ 143.152909][ C1] dump_stack+0x24c/0x2e0 [ 143.152923][ C1] kmsan_report+0xfb/0x1e0 [ 143.152938][ C1] __msan_warning+0x5c/0xa0 [ 143.152952][ C1] string+0x573/0x6d0 [ 143.152966][ C1] vsnprintf+0x1acd/0x3600 [ 143.152981][ C1] pointer+0x1cbb/0x1ea0 [ 143.152996][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.153012][ C1] vsnprin [ 143.153034][ C1] Lost 1756 message(s)! [ 144.428583][ T57] ===================================================== [ 144.435537][ T57] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 144.442841][ T57] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.452564][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.462753][ T57] Workqueue: usb_hub_wq hub_event [ 144.467829][ T57] Call Trace: [ 144.471114][ T57] dump_stack+0x24c/0x2e0 [ 144.475467][ T57] kmsan_report+0xfb/0x1e0 [ 144.479991][ T57] __msan_warning+0x5c/0xa0 [ 144.484510][ T57] r871xu_drv_init+0x1a86/0x2fe0 [ 144.489477][ T57] ? r871x_dev_unload+0x310/0x310 [ 144.494536][ T57] usb_probe_interface+0xfcc/0x1520 [ 144.499893][ T57] ? usb_register_driver+0x900/0x900 [ 144.505206][ T57] really_probe+0xe15/0x24d0 [ 144.509811][ T57] driver_probe_device+0x29d/0x3a0 [ 144.514950][ T57] __device_attach_driver+0x63f/0x830 [ 144.520339][ T57] bus_for_each_drv+0x2c8/0x3f0 [ 144.525206][ T57] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.530953][ T57] __device_attach+0x56a/0x890 [ 144.535733][ T57] device_initial_probe+0x4a/0x60 [ 144.540769][ T57] bus_probe_device+0x17e/0x3d0 [ 144.545664][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.551486][ T57] device_add+0x2c15/0x31d0 [ 144.556011][ T57] usb_set_configuration+0x3872/0x3eb0 [ 144.561492][ T57] ? usb_set_configuration+0xae1/0x3eb0 [ 144.567172][ T57] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 144.573261][ T57] usb_generic_driver_probe+0x138/0x300 [ 144.578826][ T57] ? usb_choose_configuration+0xee0/0xee0 [ 144.584591][ T57] usb_probe_device+0x317/0x570 [ 144.589465][ T57] ? usb_register_device_driver+0x590/0x590 [ 144.595394][ T57] really_probe+0xe15/0x24d0 [ 144.600002][ T57] driver_probe_device+0x29d/0x3a0 [ 144.605195][ T57] __device_attach_driver+0x63f/0x830 [ 144.610587][ T57] bus_for_each_drv+0x2c8/0x3f0 [ 144.615461][ T57] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.621197][ T57] __device_attach+0x56a/0x890 [ 144.625979][ T57] device_initial_probe+0x4a/0x60 [ 144.631040][ T57] bus_probe_device+0x17e/0x3d0 [ 144.635913][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.641734][ T57] device_add+0x2c15/0x31d0 [ 144.646257][ T57] usb_new_device+0x1bd4/0x2a30 [ 144.651125][ T57] hub_event+0x5b99/0x8870 [ 144.655549][ T57] ? kmsan_get_metadata+0x116/0x180 [ 144.660775][ T57] ? kmsan_get_metadata+0x116/0x180 [ 144.665978][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.671797][ T57] ? led_work+0x780/0x780 [ 144.676135][ T57] process_one_work+0x1219/0x1fe0 [ 144.681175][ T57] worker_thread+0x12bc/0x2340 [ 144.685953][ T57] kthread+0x521/0x560 [ 144.690027][ T57] ? process_one_work+0x1fe0/0x1fe0 [ 144.695235][ T57] ? kthread_blkcg+0x110/0x110 [ 144.700005][ T57] ret_from_fork+0x1f/0x30 [ 144.704436][ T57] executing program [ 144.706752][ T57] Local variable ----data@usb_read8 created at: [ 144.712976][ T57] usb_read8+0x5d/0x130 [ 144.717239][ T57] usb_read8+0x5d/0x130 [ 144.721396][ T57] ===================================================== [ 144.728754][ T57] ===================================================== [ 144.735706][ T57] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 144.743013][ T57] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.752656][ T57] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.762721][ T57] Workqueue: usb_hub_wq hub_event [ 144.767767][ T57] Call Trace: [ 144.771053][ T57] dump_stack+0x24c/0x2e0 [ 144.775407][ T57] kmsan_report+0xfb/0x1e0 [ 144.779845][ T57] __msan_warning+0x5c/0xa0 [ 144.784366][ T57] r871xu_drv_init+0x2a38/0x2fe0 [ 144.789331][ T57] ? r871x_dev_unload+0x310/0x310 [ 144.794377][ T57] usb_probe_interface+0xfcc/0x1520 [ 144.799600][ T57] ? usb_register_driver+0x900/0x900 [ 144.804909][ T57] really_probe+0xe15/0x24d0 [ 144.809520][ T57] driver_probe_device+0x29d/0x3a0 [ 144.814622][ T57] __device_attach_driver+0x63f/0x830 [ 144.819989][ T57] bus_for_each_drv+0x2c8/0x3f0 [ 144.824859][ T57] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.830580][ T57] __device_attach+0x56a/0x890 [ 144.835331][ T57] device_initial_probe+0x4a/0x60 [ 144.840343][ T57] bus_probe_device+0x17e/0x3d0 [ 144.845185][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.850983][ T57] device_add+0x2c15/0x31d0 [ 144.855715][ T57] usb_set_configuration+0x3872/0x3eb0 [ 144.861206][ T57] ? usb_set_configuration+0xae1/0x3eb0 [ 144.866877][ T57] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 144.872938][ T57] usb_generic_driver_probe+0x138/0x300 [ 144.878518][ T57] ? usb_choose_configuration+0xee0/0xee0 [ 144.884228][ T57] usb_probe_device+0x317/0x570 [ 144.889079][ T57] ? usb_register_device_driver+0x590/0x590 [ 144.894992][ T57] really_probe+0xe15/0x24d0 [ 144.899607][ T57] driver_probe_device+0x29d/0x3a0 [ 144.904728][ T57] __device_attach_driver+0x63f/0x830 [ 144.910089][ T57] bus_for_each_drv+0x2c8/0x3f0 [ 144.914928][ T57] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.920634][ T57] __device_attach+0x56a/0x890 [ 144.925386][ T57] device_initial_probe+0x4a/0x60 [ 144.930398][ T57] bus_probe_device+0x17e/0x3d0 [ 144.935245][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.941071][ T57] device_add+0x2c15/0x31d0 [ 144.945580][ T57] usb_new_device+0x1bd4/0x2a30 [ 144.950443][ T57] hub_event+0x5b99/0x8870 [ 144.954856][ T57] ? kmsan_get_metadata+0x116/0x180 [ 144.960052][ T57] ? kmsan_get_metadata+0x116/0x180 [ 144.965238][ T57] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.971033][ T57] ? led_work+0x780/0x780 [ 144.975348][ T57] process_one_work+0x1219/0x1fe0 [ 144.980380][ T57] worker_thread+0x12bc/0x2340 [ 144.985137][ T57] kthread+0x521/0x560 [ 144.989198][ T57] ? process_one_work+0x1fe0/0x1fe0 [ 144.994415][ T57] ? kthread_blkcg+0x110/0x110 [ 144.999168][ T57] ret_from_fork+0x1f/0x30 [ 145.003586][ T57] [ 145.005892][ T57] Local variable ----mac@r871xu_drv_init created at: [ 145.012545][ T57] r871xu_drv_init+0x189d/0x2fe0 [ 145.017470][ T57] r871xu_drv_init+0x189d/0x2fe0 [ 145.022395][ T57] ===================================================== [ 145.029792][ T57] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 145.037585][ T57] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 145.049508][ T1983] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 145.058689][ T1983] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 145.068689][ T57] usb 1-1: USB disconnect, device number 4 [ 145.105635][ T1983] usb 1-1: r8712u: Firmware request failed [ 145.463512][ T57] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 145.703562][ T57] usb 1-1: Using ep0 maxpacket: 16 [ 145.823808][ T57] usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 145.993747][ T57] usb 1-1: New USB device found, idVendor=050d, idProduct=815f, bcdDevice=b5.9b [ 146.002965][ T57] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 146.011292][ T57] usb 1-1: Product: syz [ 146.015720][ T57] usb 1-1: Manufacturer: syz [ 146.020411][ T57] usb 1-1: SerialNumber: syz [ 146.028320][ T57] usb 1-1: config 0 descriptor?? [ 146.081327][ T57] r8712u: register rtl8712_netdev_ops to netdev_ops [ 146.088756][ T57] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 146.193659][ T57] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 146.199319][ C1] ===================================================== [ 146.199343][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 146.199369][ C1] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.199414][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.199466][ C1] Workqueue: usb_hub_wq hub_event [ 146.199527][ C1] Call Trace: [ 146.199554][ C1] dump_stack+0x24c/0x2e0 [ 146.199570][ C1] kmsan_report+0xfb/0x1e0 [ 146.199585][ C1] __msan_warning+0x5c/0xa0 [ 146.199600][ C1] string+0x573/0x6d0 [ 146.199614][ C1] vsnprintf+0x1acd/0x3600 [ 146.199629][ C1] pointer+0x1cbb/0x1ea0 [ 146.199644][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.199662][ C1] vsnprintf+0x15f2/0x3600 [ 146.199676][ C1] vprintk_store+0x2ab/0x1df0 [ 146.199692][ C1] ? kmsan_internal_set_origin+0x85/0xc0 executing program [ 146.199710][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 146.199727][ C1] ? __printk_safe_enter+0xe/0x30 [ 146.199743][ C1] vprintk_emit+0x28e/0x8b0 [ 146.199758][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 146.199773][ C1] dev_printk_emit+0x1ce/0x210 [ 146.199790][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 146.199807][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.199827][ C1] __dev_printk+0x3dc/0x458 [ 146.199842][ C1] _dev_info+0x1e5/0x22a [ 146.199856][ C1] ? usb_read8+0xe7/0x130 [ 146.199871][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 146.199887][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 146.199904][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 146.199920][ C1] ? r871x_dev_unload+0x310/0x310 [ 146.199936][ C1] usb_probe_interface+0xfcc/0x1520 [ 146.199952][ C1] ? usb_register_driver+0x900/0x900 [ 146.199968][ C1] really_probe+0xe15/0x24d0 [ 146.199983][ C1] driver_probe_device+0x29d/0x3a0 [ 146.200000][ C1] __device_attach_driver+0x63f/0x830 [ 146.200016][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 146.200032][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.200049][ C1] __device_attach+0x56a/0x890 [ 146.200065][ C1] device_initial_probe+0x4a/0x60 [ 146.200081][ C1] bus_probe_device+0x17e/0x3d0 [ 146.200098][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.200115][ C1] device_add+0x2c15/0x31d0 [ 146.200131][ C1] usb_set_configuration+0x3872/0x3eb0 [ 146.200148][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 146.200165][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 146.200183][ C1] usb_generic_driver_probe+0x138/0x300 [ 146.200200][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 146.200217][ C1] usb_probe_device+0x317/0x570 [ 146.200234][ C1] ? usb_register_device_driver+0x590/0x590 [ 146.200251][ C1] really_probe+0xe15/0x24d0 [ 146.200266][ C1] driver_probe_device+0x29d/0x3a0 [ 146.200283][ C1] __device_attach_driver+0x63f/0x830 [ 146.200299][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 146.200315][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.200332][ C1] __device_attach+0x56a/0x890 [ 146.200347][ C1] device_initial_probe+0x4a/0x60 [ 146.200369][ C1] bus_probe_device+0x17e/0x3d0 [ 146.200385][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.200402][ C1] device_add+0x2c15/0x31d0 [ 146.200417][ C1] usb_new_device+0x1bd4/0x2a30 [ 146.200432][ C1] hub_event+0x5b99/0x8870 [ 146.200446][ C1] ? kmsan_get_metadata+0x116/0x180 [ 146.200462][ C1] ? kmsan_get_metadata+0x116/0x180 [ 146.200479][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.200495][ C1] ? led_work+0x780/0x780 [ 146.200510][ C1] process_one_work+0x1219/0x1fe0 [ 146.200525][ C1] worker_thread+0x12bc/0x2340 [ 146.200542][ C1] kthread+0x521/0x560 [ 146.200572][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 146.200606][ C1] ? kthread_blkcg+0x110/0x110 [ 146.200640][ C1] ret_from_fork+0x1f/0x30 [ 146.200669][ C1] [ 146.200696][ C1] Local variable ----data@usb_read8 created at: [ 146.200726][ C1] usb_read8+0x5d/0x130 [ 146.200741][ C1] usb_read8+0x5d/0x130 [ 146.200758][ C1] ===================================================== [ 146.200779][ C1] ===================================================== [ 146.200799][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 146.200820][ C1] CPU: 1 PID: 57 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.200846][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.200870][ C1] Workqueue: usb_hub_wq hub_event [ 146.200897][ C1] Call Trace: [ 146.200910][ C1] dump_stack+0x24c/0x2e0 [ 146.200924][ C1] kmsan_report+0xfb/0x1e0 [ 146.200939][ C1] __msan_warning+0x5c/0xa0 [ 146.200953][ C1] string+0x573/0x6d0 [ 146.200967][ C1] vsnprintf+0x1acd/0x3600 [ 146.200981][ C1] pointer+0x1cbb/0x1ea0 [ 146.200996][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.201013][ C1] vsnprintf+0x15f2/0x3600 [ 146.201028][ C1] vprintk_store+0x2ab/0x1df0 [ 146.201043][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.201061][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 146.201079][ C1] ? __printk_safe_enter+0xe/0x30 [ 146.201094][ C1] vprintk_emit+0x28e/0x8b0 [ 146.201109][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 146.201125][ C1] dev_printk_emit+0x1ce/0x210 [ 146.201141][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 146.201159][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.201176][ C1] __dev_printk+0x3dc/0x458 [ 146.201190][ C1] _dev_info+0x1e5/0x22a [ 146.201205][ C1] ? usb_read8+0xe7/0x130 [ 146.201220][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 146.201236][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 146.201253][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 146.201269][ C1] ? r871x_dev_unload+0x310/0x310 [ 146.201285][ C1] usb_probe_interface+0xfcc/0x1520 [ 146.201301][ C1] ? usb_register_driver+0x900/0x900 [ 146.201317][ C1] really_probe+0xe15/0x24d0 [ 146.201332][ C1] driver_probe_device+0x29d/0x3a0 [ 146.201349][ C1] __device_attach_driver+0x63f/0x830 [ 146.201370][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 146.201386][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.201402][ C1] __device_attach+0x56a/0x890 [ 146.201418][ C1] device_initial_probe+0x4a/0x60 [ 146.201434][ C1] bus_probe_device+0x17e/0x3d0 [ 146.201450][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.201467][ C1] device_add+0x2c15/0x31d0 [ 146.201482][ C1] usb_set_configuration+0x3872/0x3eb0 [ 146.201499][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 146.201516][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 146.201533][ C1] usb_generic_driver_probe+0x138/0x300 [ 146.201550][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 146.201567][ C1] usb_probe_device+0x317/0x570 [ 146.201583][ C1] ? usb_register_device_driver+0x590/0x590 [ 146.201600][ C1] really_probe+0xe15/0x24d0 [ 146.201615][ C1] driver_probe_device+0x29d/0x3a0 [ 146.201631][ C1] __device_attach_driver+0x63f/0x830 [ 146.201647][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 146.201663][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.201680][ C1] __device_attach+0x56a/0x890 [ 146.201695][ C1] device_initial_probe+0x4a/0x60 [ 146.201723][ C1] bus_probe_device+0x17e/0x3d0 [ 146.201758][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.201793][ C1] device_add+0x2c15/0x31d0 [ 146.201825][ C1] usb_new_device+0x1bd4/0x2a30 [ 146.201856][ C1] hub_event+0x5b99/0x8870 [ 146.201886][ C1] ? kmsan_get_metadata+0x116/0x180 [ 146.201902][ C1] ? kmsan_get_metadata+0x116/0x180 [ 146.201919][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.201935][ C1] ? led_work+0x780/0x780 [ 146.201950][ C1] process_one_work+0x1219/0x1fe0 [ 146.201965][ C1] worker_thread+0x12bc/0x2340 [ 146.201980][ C1] kthread+0x521/0x560 [ 146.201994][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 146.202010][ C1] ? kthread_blkcg+0x110/0x110 [ 146.202025][ C1] ret_from_fork+0x1f/0x30 [ 146.202039][ C1] [ 146.202052][ C1] Local variable ----data@usb_read8 created at: [ 146.202070][ C1] usb_read8+0x5d/0x130 [ 146.202085][ C1] usb_read8+0x5d/0x130 [ 146.202101][ C1] =====================================================