[ 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 '10.128.10.40' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 140.843833][ T55] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 141.103779][ T55] usb 1-1: Using ep0 maxpacket: 8 [ 141.264413][ T55] usb 1-1: unable to get BOS descriptor or descriptor too short [ 141.344346][ T55] usb 1-1: config 2 has an invalid interface number: 71 but max is 0 [ 141.352670][ T55] usb 1-1: config 2 has no interface number 0 [ 141.359539][ T55] usb 1-1: config 2 interface 71 altsetting 3 endpoint 0x4 has invalid wMaxPacketSize 0 [ 141.369986][ T55] usb 1-1: config 2 interface 71 altsetting 3 has an invalid endpoint with address 0x0, skipping [ 141.381080][ T55] usb 1-1: config 2 interface 71 has no altsetting 0 [ 141.623986][ T55] usb 1-1: string descriptor 0 read error: -22 [ 141.630395][ T55] usb 1-1: New USB device found, idVendor=25d4, idProduct=4ca1, bcdDevice= 0.04 [ 141.639822][ T55] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 141.703131][ T55] r8712u: register rtl8712_netdev_ops to netdev_ops [ 141.710113][ T55] usb 1-1: r8712u: USB_SPEED_HIGH with 1 endpoints [ 141.824264][ T55] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 141.830015][ C1] ===================================================== [ 141.830041][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 141.830063][ C1] CPU: 1 PID: 55 Comm: kworker/1:1 Not tainted 5.12.0-rc6-syzkaller #0 [ 141.830106][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.830157][ C1] Workqueue: usb_hub_wq hub_event [ 141.830217][ C1] Call Trace: [ 141.830245][ C1] dump_stack+0x24c/0x2e0 [ 141.830277][ C1] kmsan_report+0xfb/0x1e0 [ 141.830309][ C1] __msan_warning+0x5c/0xa0 [ 141.830328][ C1] string+0x573/0x6d0 [ 141.830342][ C1] vsnprintf+0x1acd/0x3600 [ 141.830358][ C1] pointer+0x1cbb/0x1ea0 [ 141.830374][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.830391][ C1] vsnprintf+0x15f2/0x3600 [ 141.830407][ C1] vprintk_store+0x2ab/0x1df0 [ 141.830423][ C1] ? kmsan_internal_set_origin+0x85/0xc0 executing program [ 141.830441][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 141.830459][ C1] ? __printk_safe_enter+0xe/0x30 [ 141.830475][ C1] vprintk_emit+0x28e/0x8b0 [ 141.830491][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 141.830507][ C1] dev_printk_emit+0x1ce/0x210 [ 141.830524][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 141.830542][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.830560][ C1] __dev_printk+0x3dc/0x458 [ 141.830575][ C1] _dev_info+0x1e5/0x22a [ 141.830590][ C1] ? usb_read8+0xe7/0x130 [ 141.830605][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 141.830627][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 141.830644][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 141.830660][ C1] ? r871x_dev_unload+0x310/0x310 [ 141.830677][ C1] usb_probe_interface+0xfcc/0x1520 [ 141.830693][ C1] ? usb_register_driver+0x900/0x900 [ 141.830710][ C1] really_probe+0xe15/0x24d0 [ 141.830725][ C1] driver_probe_device+0x29d/0x3a0 [ 141.830742][ C1] __device_attach_driver+0x63f/0x830 [ 141.830758][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 141.830775][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.830792][ C1] __device_attach+0x56a/0x890 [ 141.830807][ C1] device_initial_probe+0x4a/0x60 [ 141.830823][ C1] bus_probe_device+0x17e/0x3d0 [ 141.830840][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.830857][ C1] device_add+0x2c15/0x31d0 [ 141.830872][ C1] usb_set_configuration+0x3872/0x3eb0 [ 141.830889][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 141.830906][ C1] usb_generic_driver_probe+0x138/0x300 [ 141.830923][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 141.830940][ C1] usb_probe_device+0x317/0x570 [ 141.830957][ C1] ? usb_register_device_driver+0x590/0x590 [ 141.830974][ C1] really_probe+0xe15/0x24d0 [ 141.830989][ C1] driver_probe_device+0x29d/0x3a0 [ 141.831006][ C1] __device_attach_driver+0x63f/0x830 [ 141.831023][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 141.831039][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.831056][ C1] __device_attach+0x56a/0x890 [ 141.831075][ C1] device_initial_probe+0x4a/0x60 [ 141.831092][ C1] bus_probe_device+0x17e/0x3d0 [ 141.831108][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.831126][ C1] device_add+0x2c15/0x31d0 [ 141.831141][ C1] usb_new_device+0x1bd4/0x2a30 [ 141.831157][ C1] hub_event+0x5b99/0x8870 [ 141.831172][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.831189][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.831206][ C1] ? led_work+0x780/0x780 [ 141.831221][ C1] process_one_work+0x1219/0x1fe0 [ 141.831237][ C1] worker_thread+0x10ec/0x2340 [ 141.831252][ C1] kthread+0x521/0x560 [ 141.831267][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 141.831283][ C1] ? kthread_blkcg+0x110/0x110 [ 141.831312][ C1] ret_from_fork+0x1f/0x30 [ 141.831340][ C1] [ 141.831367][ C1] Local variable ----data@usb_read8 created at: [ 141.831406][ C1] usb_read8+0x5d/0x130 [ 141.831437][ C1] usb_read8+0x5d/0x130 [ 141.831472][ C1] ===================================================== [ 141.831516][ C1] Disabling lock debugging due to kernel taint [ 141.831539][ C1] ===================================================== [ 141.831560][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 141.831582][ C1] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.831608][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.831637][ C1] Workqueue: usb_hub_wq hub_event [ 141.831665][ C1] Call Trace: [ 141.831679][ C1] dump_stack+0x24c/0x2e0 [ 141.831694][ C1] kmsan_report+0xfb/0x1e0 [ 141.831709][ C1] __msan_warning+0x5c/0xa0 [ 141.831724][ C1] string+0x573/0x6d0 [ 141.831739][ C1] vsnprintf+0x1acd/0x3600 [ 141.831753][ C1] pointer+0x1cbb/0x1ea0 [ 141.831769][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.831787][ C1] vsnprintf+0x15f2/0x3600 [ 141.831802][ C1] vprintk_store+0x2ab/0x1df0 [ 141.831818][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.831836][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 141.831854][ C1] ? __printk_safe_enter+0xe/0x30 [ 141.831870][ C1] vprintk_emit+0x28e/0x8b0 [ 141.831885][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 141.831901][ C1] dev_printk_emit+0x1ce/0x210 [ 141.831917][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 141.831936][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.831953][ C1] __dev_printk+0x3dc/0x458 [ 141.831968][ C1] _dev_info+0x1e5/0x22a [ 141.831982][ C1] ? usb_read8+0xe7/0x130 [ 141.831998][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 141.832014][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 141.832031][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 141.832047][ C1] ? r871x_dev_unload+0x310/0x310 [ 141.832063][ C1] usb_probe_interface+0xfcc/0x1520 [ 141.832080][ C1] ? usb_register_driver+0x900/0x900 [ 141.832153][ C1] really_probe+0xe15/0x24d0 [ 141.832169][ C1] driver_probe_device+0x29d/0x3a0 [ 141.832186][ C1] __device_attach_driver+0x63f/0x830 [ 141.832203][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 141.832220][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.832238][ C1] __device_attach+0x56a/0x890 [ 141.832254][ C1] device_initial_probe+0x4a/0x60 [ 141.832271][ C1] bus_probe_device+0x17e/0x3d0 [ 141.832288][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.832311][ C1] device_add+0x2c15/0x31d0 [ 141.832327][ C1] usb_set_configuration+0x3872/0x3eb0 [ 141.832344][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 141.832362][ C1] usb_generic_driver_probe+0x138/0x300 [ 141.832379][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 141.832397][ C1] usb_probe_device+0x317/0x570 [ 141.832414][ C1] ? usb_register_device_driver+0x590/0x590 [ 141.832432][ C1] really_probe+0xe15/0x24d0 [ 141.832448][ C1] driver_probe_device+0x29d/0x3a0 [ 141.832465][ C1] __device_attach_driver+0x63f/0x830 [ 141.832482][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 141.832508][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.832536][ C1] __device_attach+0x56a/0x890 [ 141.832565][ C1] device_initial_probe+0x4a/0x60 [ 141.832595][ C1] bus_probe_device+0x17e/0x3d0 [ 141.832628][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.832662][ C1] device_add+0x2c15/0x31d0 [ 141.832689][ C1] usb_new_device+0x1bd4/0x2a30 [ 141.832722][ C1] hub_event+0x5b99/0x8870 [ 141.832754][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.832789][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.832812][ C1] ? led_work+0x780/0x780 [ 141.832828][ C1] process_one_work+0x1219/0x1fe0 [ 141.832845][ C1] worker_thread+0x10ec/0x2340 [ 141.832860][ C1] kthread+0x521/0x560 [ 141.832878][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 141.832896][ C1] ? kthread_blkcg+0x110/0x110 [ 141.832912][ C1] ret_from_fork+0x1f/0x30 [ 141.832927][ C1] [ 141.832941][ C1] Local variable ----data@usb_read8 created at: [ 141.832961][ C1] usb_read8+0x5d/0x130 [ 141.832976][ C1] usb_read8+0x5d/0x130 [ 141.832993][ C1] ===================================================== [ 141.833015][ C1] ===================================================== [ 141.833037][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 141.833059][ C1] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.833085][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.833110][ C1] Workqueue: usb_hub_wq hub_event [ 141.833139][ C1] Call Trace: [ 141.833152][ C1] dump_stack+0x24c/0x2e0 [ 141.833167][ C1] kmsan_report+0xfb/0x1e0 [ 141.833182][ C1] __msan_warning+0x5c/0xa0 [ 141.833197][ C1] string+0x573/0x6d0 [ 141.833211][ C1] vsnprintf+0x1acd/0x3600 [ 141.833226][ C1] pointer+0x1cbb/0x1ea0 [ 141.833243][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.833260][ C1] vsnprintf+0x15f2/0x3600 [ 141.833275][ C1] vprintk_store+0x2ab/0x1df0 [ 141.833292][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.833320][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 141.833338][ C1] ? __printk_safe_enter+0xe/0x30 [ 141.833354][ C1] vprintk_emit+0x28e/0x8b0 [ 141.833369][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 141.833386][ C1] dev_printk_emit+0x1ce/0x210 [ 141.833402][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 141.833427][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.833445][ C1] __dev_printk+0x3dc/0x458 [ 141.833460][ C1] _dev_info+0x1e5/0x22a [ 141.833479][ C1] ? usb_read8+0xe7/0x130 [ 141.833510][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 141.833543][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 141.833573][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 141.833604][ C1] ? r871x_dev_unload+0x310/0x310 [ 141.833634][ C1] usb_probe_interface+0xfcc/0x1520 [ 141.833667][ C1] ? usb_register_driver+0x900/0x900 [ 141.833703][ C1] really_probe+0xe15/0x24d0 [ 141.833736][ C1] driver_probe_device+0x29d/0x3a0 [ 141.833753][ C1] __device_attach_driver+0x63f/0x830 [ 141.833772][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 141.833803][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.833837][ C1] __device_attach+0x56a/0x890 [ 141.833869][ C1] device_initial_probe+0x4a/0x60 [ 141.833904][ C1] bus_probe_device+0x17e/0x3d0 [ 141.833939][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.833967][ C1] device_add+0x2c15/0x31d0 [ 141.833967][ C1] usb_set_configuration+0x3872/0x3eb0 [ 141.833967][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 141.833967][ C1] usb_generic_driver_probe+0x138/0x300 [ 141.833967][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 141.833967][ C1] usb_probe_device+0x317/0x570 [ 141.833967][ C1] ? usb_register_device_driver+0x590/0x590 [ 141.833967][ C1] really_probe+0xe15/0x24d0 [ 141.833967][ C1] driver_probe_device+0x29d/0x3a0 [ 141.833967][ C1] __device_attach_driver+0x63f/0x830 [ 141.833967][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 141.833967][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 141.833967][ C1] __device_attach+0x56a/0x890 [ 141.833967][ C1] device_initial_probe+0x4a/0x60 [ 141.833967][ C1] bus_probe_device+0x17e/0x3d0 [ 141.833967][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.833967][ C1] device_add+0x2c15/0x31d0 [ 141.833967][ C1] usb_new_device+0x1bd4/0x2a30 [ 141.833967][ C1] hub_event+0x5b99/0x8870 [ 141.833967][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.833967][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.833967][ C1] ? led_work+0x780/0x780 [ 141.833967][ C1] process_one_work+0x1219/0x1fe0 [ 141.833967][ C1] worker_thread+0x10ec/0x2340 [ 141.833967][ C1] kthread+0x521/0x560 [ 141.833967][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 141.833967][ C1] ? kthread_blkcg+0x110/0x110 [ 141.833967][ C1] ret_from_fork+0x1f/0x30 [ 141.833967][ C1] [ 141.833967][ C1] Local variable ----data@usb_read8 created at: [ 141.833967][ C1] usb_read8+0x5d/0x130 [ 141.833967][ C1] usb_read8+0x5d/0x130 [ 141.833967][ C1] ===================================================== [ 141.833967][ C1] ===================================================== [ 141.833967][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 141.833967][ C1] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 141.833967][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.833967][ C1] Workqueue: usb_hub_wq hub_event [ 141.833967][ C1] Call Trace: [ 141.833967][ C1] dump_stack+0x24c/0x2e0 [ 141.833967][ C1] kmsan_report+0xfb/0x1e0 [ 141.833967][ C1] __msan_warning+0x5c/0xa0 [ 141.833967][ C1] string+0x573/0x6d0 [ 141.833967][ C1] vsnprintf+0x1acd/0x3600 [ 141.833967][ C1] pointer+0x1cbb/0x1ea0 [ 141.833967][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.833967][ C1] vsnprintf+0x15f2/0x3600 [ 141.833967][ C1] vprintk_store+0x2ab/0x1df0 [ 141.833967][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.833967][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 141.833967][ C1] ? __printk_safe_enter+0xe/0x30 [ 141.833967][ C1] vprintk_emit+0x28e/0x8b0 [ 141.833967][ C1] dev_vprintk_emit+0 [ 141.833967][ C1] Lost 1704 message(s)! [ 143.134529][ T55] ===================================================== [ 143.141480][ T55] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 143.143702][ T55] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.143702][ T55] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.143702][ T55] Workqueue: usb_hub_wq hub_event [ 143.143702][ T55] Call Trace: [ 143.143702][ T55] dump_stack+0x24c/0x2e0 [ 143.143702][ T55] kmsan_report+0xfb/0x1e0 [ 143.143702][ T55] __msan_warning+0x5c/0xa0 [ 143.143702][ T55] r871xu_drv_init+0x1a86/0x2fe0 [ 143.143702][ T55] ? r871x_dev_unload+0x310/0x310 [ 143.143702][ T55] usb_probe_interface+0xfcc/0x1520 [ 143.143702][ T55] ? usb_register_driver+0x900/0x900 [ 143.143702][ T55] really_probe+0xe15/0x24d0 [ 143.143702][ T55] driver_probe_device+0x29d/0x3a0 [ 143.143702][ T55] __device_attach_driver+0x63f/0x830 [ 143.143702][ T55] bus_for_each_drv+0x2c8/0x3f0 [ 143.143702][ T55] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.143702][ T55] __device_attach+0x56a/0x890 [ 143.143702][ T55] device_initial_probe+0x4a/0x60 [ 143.143702][ T55] bus_probe_device+0x17e/0x3d0 [ 143.143702][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.143702][ T55] device_add+0x2c15/0x31d0 [ 143.143702][ T55] usb_set_configuration+0x3872/0x3eb0 [ 143.143702][ T55] ? usb_set_configuration+0xae1/0x3eb0 [ 143.143702][ T55] usb_generic_driver_probe+0x138/0x300 [ 143.143702][ T55] ? usb_choose_configuration+0xee0/0xee0 [ 143.143702][ T55] usb_probe_device+0x317/0x570 [ 143.143702][ T55] ? usb_register_device_driver+0x590/0x590 [ 143.143702][ T55] really_probe+0xe15/0x24d0 [ 143.143702][ T55] driver_probe_device+0x29d/0x3a0 [ 143.143702][ T55] __device_attach_driver+0x63f/0x830 [ 143.143702][ T55] bus_for_each_drv+0x2c8/0x3f0 [ 143.143702][ T55] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.143702][ T55] __device_attach+0x56a/0x890 [ 143.143702][ T55] device_initial_probe+0x4a/0x60 [ 143.143702][ T55] bus_probe_device+0x17e/0x3d0 [ 143.143702][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.143702][ T55] device_add+0x2c15/0x31d0 [ 143.143702][ T55] usb_new_device+0x1bd4/0x2a30 [ 143.143702][ T55] hub_event+0x5b99/0x8870 [ 143.143702][ T55] ? kmsan_get_metadata+0x116/0x180 [ 143.143702][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.143702][ T55] ? led_work+0x780/0x780 [ 143.143702][ T55] process_one_work+0x1219/0x1fe0 [ 143.143702][ T55] worker_thread+0x10ec/0x2340 [ 143.143702][ T55] kthread+0x521/0x560 [ 143.143702][ T55] ? process_one_work+0x1fe0/0x1fe0 [ 143.143702][ T55] ? kthread_blkcg+0x110/0x110 [ 143.143702][ T55] ret_from_fork+0x1f/0x30 [ 143.143702][ T55] [ 143.143702][ T55] Local variable ----data@usb_read8 created at: [ 143.143702][ T55] usb_read8+0x5d/0x130 [ 143.143702][ T55] usb_read8+0x5d/0x130 [ 143.143702][ T55] ===================================================== [ 143.424447][ T55] ===================================================== [ 143.431422][ T55] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 143.434399][ T55] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.434399][ T55] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.434399][ T55] Workqueue: usb_hub_wq hub_event [ 143.434399][ T55] Call Trace: [ 143.463845][ T55] dump_stack+0x24c/0x2e0 [ 143.463845][ T55] kmsan_report+0xfb/0x1e0 [ 143.463845][ T55] __msan_warning+0x5c/0xa0 [ 143.480162][ T55] r871xu_drv_init+0x2a38/0x2fe0 [ 143.485235][ T55] ? r871x_dev_unload+0x310/0x310 [ 143.490042][ T55] usb_probe_interface+0xfcc/0x1520 [ 143.494946][ T55] ? usb_register_driver+0x900/0x900 [ 143.500910][ T55] really_probe+0xe15/0x24d0 [ 143.505684][ T55] driver_probe_device+0x29d/0x3a0 [ 143.510444][ T55] __device_attach_driver+0x63f/0x830 [ 143.515235][ T55] bus_for_each_drv+0x2c8/0x3f0 [ 143.520021][ T55] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.526279][ T55] __device_attach+0x56a/0x890 [ 143.531040][ T55] device_initial_probe+0x4a/0x60 [ 143.535957][ T55] bus_probe_device+0x17e/0x3d0 [ 143.540741][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.546703][ T55] device_add+0x2c15/0x31d0 [ 143.551508][ T55] usb_set_configuration+0x3872/0x3eb0 [ 143.557577][ T55] ? usb_set_configuration+0xae1/0x3eb0 [ 143.562367][ T55] usb_generic_driver_probe+0x138/0x300 [ 143.568602][ T55] ? usb_choose_configuration+0xee0/0xee0 [ 143.574570][ T55] usb_probe_device+0x317/0x570 [ 143.579430][ T55] ? usb_register_device_driver+0x590/0x590 [ 143.585503][ T55] really_probe+0xe15/0x24d0 [ 143.590475][ T55] driver_probe_device+0x29d/0x3a0 [ 143.595427][ T55] __device_attach_driver+0x63f/0x830 [ 143.600430][ T55] bus_for_each_drv+0x2c8/0x3f0 [ 143.605314][ T55] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.611325][ T55] __device_attach+0x56a/0x890 [ 143.616153][ T55] device_initial_probe+0x4a/0x60 [ 143.621092][ T55] bus_probe_device+0x17e/0x3d0 [ 143.627114][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.631916][ T55] device_add+0x2c15/0x31d0 [ 143.636740][ T55] usb_new_device+0x1bd4/0x2a30 [ 143.641520][ T55] hub_event+0x5b99/0x8870 [ 143.646469][ T55] ? kmsan_get_metadata+0x116/0x180 [ 143.651545][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.657801][ T55] ? led_work+0x780/0x780 [ 143.662821][ T55] process_one_work+0x1219/0x1fe0 [ 143.667593][ T55] worker_thread+0x10ec/0x2340 [ 143.672376][ T55] kthread+0x521/0x560 [ 143.676130][ T55] ? process_one_work+0x1fe0/0x1fe0 [ 143.680928][ T55] ? kthread_blkcg+0x110/0x110 [ 143.685708][ T55] ret_from_fork+0x1f/0x30 [ 143.690482][ T55] [ 143.692862][ T55] Local variable ----mac@r871xu_drv_init created at: [ 143.700025][ T55] r871xu_drv_init+0x189d/0x2fe0 [ 143.704384][ T55] r871xu_drv_init+0x189d/0x2fe0 [ 143.709178][ T55] ===================================================== [ 143.717411][ T55] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 143.725194][ T55] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 143.743197][ T55] usb 1-1: USB disconnect, device number 2 [ 143.758748][ T1980] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 143.768009][ T1980] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 143.811610][ T1980] usb 1-1: r8712u: Firmware request failed [ 144.173799][ T55] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 144.413827][ T55] usb 1-1: Using ep0 maxpacket: 8 [ 144.574383][ T55] usb 1-1: unable to get BOS descriptor or descriptor too short [ 144.653988][ T55] usb 1-1: config 2 has an invalid interface number: 71 but max is 0 [ 144.662354][ T55] usb 1-1: config 2 has no interface number 0 [ 144.668872][ T55] usb 1-1: config 2 interface 71 altsetting 3 endpoint 0x4 has invalid wMaxPacketSize 0 [ 144.679009][ T55] usb 1-1: config 2 interface 71 altsetting 3 has an invalid endpoint with address 0x0, skipping [ 144.689835][ T55] usb 1-1: config 2 interface 71 has no altsetting 0 [ 144.944068][ T55] usb 1-1: string descriptor 0 read error: -22 [ 144.950376][ T55] usb 1-1: New USB device found, idVendor=25d4, idProduct=4ca1, bcdDevice= 0.04 [ 144.959782][ T55] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 145.013189][ T55] r8712u: register rtl8712_netdev_ops to netdev_ops [ 145.020110][ T55] usb 1-1: r8712u: USB_SPEED_HIGH with 1 endpoints [ 145.124152][ T55] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 145.129914][ C1] ===================================================== [ 145.129940][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.129977][ C1] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.130033][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.130085][ C1] Workqueue: usb_hub_wq hub_event [ 145.130146][ C1] Call Trace: executing program [ 145.130175][ C1] dump_stack+0x24c/0x2e0 [ 145.130194][ C1] kmsan_report+0xfb/0x1e0 [ 145.130210][ C1] __msan_warning+0x5c/0xa0 [ 145.130225][ C1] string+0x573/0x6d0 [ 145.130244][ C1] vsnprintf+0x1acd/0x3600 [ 145.130260][ C1] pointer+0x1cbb/0x1ea0 [ 145.130276][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.130293][ C1] vsnprintf+0x15f2/0x3600 [ 145.130308][ C1] vprintk_store+0x2ab/0x1df0 [ 145.130325][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.130343][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 145.130360][ C1] ? __printk_safe_enter+0xe/0x30 [ 145.130376][ C1] vprintk_emit+0x28e/0x8b0 [ 145.130392][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 145.130407][ C1] dev_printk_emit+0x1ce/0x210 [ 145.130424][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.130442][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.130459][ C1] __dev_printk+0x3dc/0x458 [ 145.130474][ C1] _dev_info+0x1e5/0x22a [ 145.130489][ C1] ? usb_read8+0xe7/0x130 [ 145.130504][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.130520][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.130537][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 145.130553][ C1] ? r871x_dev_unload+0x310/0x310 [ 145.130570][ C1] usb_probe_interface+0xfcc/0x1520 [ 145.130586][ C1] ? usb_register_driver+0x900/0x900 [ 145.130602][ C1] really_probe+0xe15/0x24d0 [ 145.130618][ C1] driver_probe_device+0x29d/0x3a0 [ 145.130634][ C1] __device_attach_driver+0x63f/0x830 [ 145.130651][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 145.130667][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.130684][ C1] __device_attach+0x56a/0x890 [ 145.130700][ C1] device_initial_probe+0x4a/0x60 [ 145.130717][ C1] bus_probe_device+0x17e/0x3d0 [ 145.130733][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.130750][ C1] device_add+0x2c15/0x31d0 [ 145.130766][ C1] usb_set_configuration+0x3872/0x3eb0 [ 145.130783][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 145.130800][ C1] usb_generic_driver_probe+0x138/0x300 [ 145.130818][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 145.130835][ C1] usb_probe_device+0x317/0x570 [ 145.130852][ C1] ? usb_register_device_driver+0x590/0x590 [ 145.130869][ C1] really_probe+0xe15/0x24d0 [ 145.130885][ C1] driver_probe_device+0x29d/0x3a0 [ 145.130902][ C1] __device_attach_driver+0x63f/0x830 [ 145.130918][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 145.130935][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.130952][ C1] __device_attach+0x56a/0x890 [ 145.130968][ C1] device_initial_probe+0x4a/0x60 [ 145.130984][ C1] bus_probe_device+0x17e/0x3d0 [ 145.131001][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.131017][ C1] device_add+0x2c15/0x31d0 [ 145.131033][ C1] usb_new_device+0x1bd4/0x2a30 [ 145.131048][ C1] hub_event+0x5b99/0x8870 [ 145.131064][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.131081][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.131098][ C1] ? led_work+0x780/0x780 [ 145.131112][ C1] process_one_work+0x1219/0x1fe0 [ 145.131128][ C1] worker_thread+0x12bc/0x2340 [ 145.131143][ C1] kthread+0x521/0x560 [ 145.131158][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 145.131189][ C1] ? kthread_blkcg+0x110/0x110 [ 145.131220][ C1] ret_from_fork+0x1f/0x30 [ 145.131253][ C1] [ 145.131281][ C1] Local variable ----data@usb_read8 created at: [ 145.131320][ C1] usb_read8+0x5d/0x130 [ 145.131352][ C1] usb_read8+0x5d/0x130 [ 145.131386][ C1] ===================================================== [ 145.131411][ C1] ===================================================== [ 145.131432][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.131453][ C1] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.131479][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.131503][ C1] Workqueue: usb_hub_wq hub_event [ 145.131531][ C1] Call Trace: [ 145.131544][ C1] dump_stack+0x24c/0x2e0 [ 145.131558][ C1] kmsan_report+0xfb/0x1e0 [ 145.131573][ C1] __msan_warning+0x5c/0xa0 [ 145.131588][ C1] string+0x573/0x6d0 [ 145.131602][ C1] vsnprintf+0x1acd/0x3600 [ 145.131617][ C1] pointer+0x1cbb/0x1ea0 [ 145.131632][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.131649][ C1] vsnprintf+0x15f2/0x3600 [ 145.131664][ C1] vprintk_store+0x2ab/0x1df0 [ 145.131680][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.131698][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 145.131715][ C1] ? __printk_safe_enter+0xe/0x30 [ 145.131731][ C1] vprintk_emit+0x28e/0x8b0 [ 145.131746][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 145.131762][ C1] dev_printk_emit+0x1ce/0x210 [ 145.131778][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.131796][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.131813][ C1] __dev_printk+0x3dc/0x458 [ 145.131828][ C1] _dev_info+0x1e5/0x22a [ 145.131843][ C1] ? usb_read8+0xe7/0x130 [ 145.131858][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.131875][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.131891][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 145.131907][ C1] ? r871x_dev_unload+0x310/0x310 [ 145.131923][ C1] usb_probe_interface+0xfcc/0x1520 [ 145.131940][ C1] ? usb_register_driver+0x900/0x900 [ 145.131956][ C1] really_probe+0xe15/0x24d0 [ 145.131972][ C1] driver_probe_device+0x29d/0x3a0 [ 145.131988][ C1] __device_attach_driver+0x63f/0x830 [ 145.132005][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 145.132021][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.132039][ C1] __device_attach+0x56a/0x890 [ 145.132055][ C1] device_initial_probe+0x4a/0x60 [ 145.132071][ C1] bus_probe_device+0x17e/0x3d0 [ 145.132087][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.132104][ C1] device_add+0x2c15/0x31d0 [ 145.132120][ C1] usb_set_configuration+0x3872/0x3eb0 [ 145.132137][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 145.132154][ C1] usb_generic_driver_probe+0x138/0x300 [ 145.132172][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 145.132189][ C1] usb_probe_device+0x317/0x570 [ 145.132205][ C1] ? usb_register_device_driver+0x590/0x590 [ 145.132222][ C1] really_probe+0xe15/0x24d0 [ 145.132243][ C1] driver_probe_device+0x29d/0x3a0 [ 145.132260][ C1] __device_attach_driver+0x63f/0x830 [ 145.132277][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 145.132293][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.132310][ C1] __device_attach+0x56a/0x890 [ 145.132326][ C1] device_initial_probe+0x4a/0x60 [ 145.132342][ C1] bus_probe_device+0x17e/0x3d0 [ 145.132358][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.132384][ C1] device_add+0x2c15/0x31d0 [ 145.132415][ C1] usb_new_device+0x1bd4/0x2a30 [ 145.132535][ C1] hub_event+0x5b99/0x8870 [ 145.132568][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.132598][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.132631][ C1] ? led_work+0x780/0x780 [ 145.132667][ C1] process_one_work+0x1219/0x1fe0 [ 145.132699][ C1] worker_thread+0x12bc/0x2340 [ 145.132728][ C1] kthread+0x521/0x560 [ 145.132743][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 145.132760][ C1] ? kthread_blkcg+0x110/0x110 [ 145.132776][ C1] ret_from_fork+0x1f/0x30 [ 145.132795][ C1] [ 145.132809][ C1] Local variable ----data@usb_read8 created at: [ 145.132829][ C1] usb_read8+0x5d/0x130 [ 145.132845][ C1] usb_read8+0x5d/0x130 [ 145.132862][ C1] ===================================================== [ 145.132884][ C1] ===================================================== [ 145.132904][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.132926][ C1] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.132954][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.132978][ C1] Workqueue: usb_hub_wq hub_event [ 145.133007][ C1] Call Trace: [ 145.133021][ C1] dump_stack+0x24c/0x2e0 [ 145.133037][ C1] kmsan_report+0xfb/0x1e0 [ 145.133058][ C1] __msan_warning+0x5c/0xa0 [ 145.133077][ C1] string+0x573/0x6d0 [ 145.133092][ C1] vsnprintf+0x1acd/0x3600 [ 145.133107][ C1] pointer+0x1cbb/0x1ea0 [ 145.133122][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.133140][ C1] vsnprintf+0x15f2/0x3600 [ 145.133155][ C1] vprintk_store+0x2ab/0x1df0 [ 145.133171][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.133189][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 145.133206][ C1] ? __printk_safe_enter+0xe/0x30 [ 145.133222][ C1] vprintk_emit+0x28e/0x8b0 [ 145.133238][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 145.133254][ C1] dev_printk_emit+0x1ce/0x210 [ 145.133270][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.133288][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.133305][ C1] __dev_printk+0x3dc/0x458 [ 145.133321][ C1] _dev_info+0x1e5/0x22a [ 145.133336][ C1] ? usb_read8+0xe7/0x130 [ 145.133352][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.133369][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.133388][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 145.133404][ C1] ? r871x_dev_unload+0x310/0x310 [ 145.133421][ C1] usb_probe_interface+0xfcc/0x1520 [ 145.133438][ C1] ? usb_register_driver+0x900/0x900 [ 145.133461][ C1] really_probe+0xe15/0x24d0 [ 145.133480][ C1] driver_probe_device+0x29d/0x3a0 [ 145.133497][ C1] __device_attach_driver+0x63f/0x830 [ 145.133514][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 145.133530][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.133548][ C1] __device_attach+0x56a/0x890 [ 145.133574][ C1] device_initial_probe+0x4a/0x60 [ 145.133607][ C1] bus_probe_device+0x17e/0x3d0 [ 145.133638][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.133670][ C1] device_add+0x2c15/0x31d0 [ 145.133700][ C1] usb_set_configuration+0x3872/0x3eb0 [ 145.133735][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 145.133769][ C1] usb_generic_driver_probe+0x138/0x300 [ 145.133803][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 145.133837][ C1] usb_probe_device+0x317/0x570 [ 145.133871][ C1] ? usb_register_device_driver+0x590/0x590 [ 145.133907][ C1] really_probe+0xe15/0x24d0 [ 145.133929][ C1] driver_probe_device+0x29d/0x3a0 [ 145.133929][ C1] __device_attach_driver+0x63f/0x830 [ 145.133929][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 145.133929][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.133929][ C1] __device_attach+0x56a/0x890 [ 145.133929][ C1] device_initial_probe+0x4a/0x60 [ 145.133929][ C1] bus_probe_device+0x17e/0x3d0 [ 145.133929][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.133929][ C1] device_add+0x2c15/0x31d0 [ 145.133929][ C1] usb_new_device+0x1bd4/0x2a30 [ 145.133929][ C1] hub_event+0x5b99/0x8870 [ 145.133929][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.133929][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.133929][ C1] ? led_work+0x780/0x780 [ 145.133929][ C1] process_one_work+0x1219/0x1fe0 [ 145.133929][ C1] worker_thread+0x12bc/0x2340 [ 145.133929][ C1] kthread+0x521/0x560 [ 145.133929][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 145.133929][ C1] ? kthread_blkcg+0x110/0x110 [ 145.133929][ C1] ret_from_fork+0x1f/0x30 [ 145.133929][ C1] [ 145.133929][ C1] Local variable ----data@usb_read8 created at: [ 145.133929][ C1] usb_read8+0x5d/0x130 [ 145.133929][ C1] usb_read8+0x5d/0x130 [ 145.133929][ C1] ===================================================== [ 145.133929][ C1] ===================================================== [ 145.133929][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.133929][ C1] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.133929][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.133929][ C1] Workqueue: usb_hub_wq hub_event [ 145.133929][ C1] Call Trace: [ 145.133929][ C1] dump_stack+0x24c/0x2e0 [ 145.133929][ C1] kmsan_report+0xfb/0x1e0 [ 145.133929][ C1] __msan_warning+0x5c/0xa0 [ 145.133929][ C1] string+0x573/0x6d0 [ 145.133929][ C1] vsnprintf+0x1acd/0x3600 [ 145.133929][ C1] pointer+0x1cbb/0x1ea0 [ 145.133929][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.133929][ C1] vsnprintf+0x15f2/0x3600 [ 145.133929][ C1] vprintk_store+0x2ab/0x1df0 [ 145.133929][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.133929][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 145.133929][ C1] ? __printk_safe_enter+0xe/0x30 [ 145.133929][ C1] vprintk_emit+0x28e/0x8b0 [ 145.133929][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 145.133929][ C1] dev_printk_emit+0x1 [ 145.133929][ C1] Lost 1703 message(s)! [ 146.432064][ T55] ===================================================== [ 146.439062][ T55] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 146.441741][ T55] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.454790][ T55] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.454790][ T55] Workqueue: usb_hub_wq hub_event [ 146.454790][ T55] Call Trace: [ 146.454790][ T55] dump_stack+0x24c/0x2e0 [ 146.454790][ T55] kmsan_report+0xfb/0x1e0 [ 146.454790][ T55] __msan_warning+0x5c/0xa0 [ 146.454790][ T55] r871xu_drv_init+0x1a86/0x2fe0 [ 146.454790][ T55] ? r871x_dev_unload+0x310/0x310 [ 146.454790][ T55] usb_probe_interface+0xfcc/0x1520 [ 146.454790][ T55] ? usb_register_driver+0x900/0x900 [ 146.454790][ T55] really_probe+0xe15/0x24d0 [ 146.454790][ T55] driver_probe_device+0x29d/0x3a0 [ 146.454790][ T55] __device_attach_driver+0x63f/0x830 [ 146.523721][ T55] bus_for_each_drv+0x2c8/0x3f0 [ 146.523721][ T55] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.523721][ T55] __device_attach+0x56a/0x890 [ 146.523721][ T55] device_initial_probe+0x4a/0x60 [ 146.523721][ T55] bus_probe_device+0x17e/0x3d0 [ 146.523721][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.523721][ T55] device_add+0x2c15/0x31d0 [ 146.523721][ T55] usb_set_configuration+0x3872/0x3eb0 [ 146.523721][ T55] ? usb_set_configuration+0xae1/0x3eb0 [ 146.523721][ T55] usb_generic_driver_probe+0x138/0x300 [ 146.523721][ T55] ? usb_choose_configuration+0xee0/0xee0 [ 146.523721][ T55] usb_probe_device+0x317/0x570 [ 146.523721][ T55] ? usb_register_device_driver+0x590/0x590 [ 146.523721][ T55] really_probe+0xe15/0x24d0 [ 146.523721][ T55] driver_probe_device+0x29d/0x3a0 [ 146.523721][ T55] __device_attach_driver+0x63f/0x830 [ 146.523721][ T55] bus_for_each_drv+0x2c8/0x3f0 [ 146.523721][ T55] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.613717][ T55] __device_attach+0x56a/0x890 [ 146.613717][ T55] device_initial_probe+0x4a/0x60 [ 146.613717][ T55] bus_probe_device+0x17e/0x3d0 [ 146.613717][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.613717][ T55] device_add+0x2c15/0x31d0 [ 146.643702][ T55] usb_new_device+0x1bd4/0x2a30 [ 146.643702][ T55] hub_event+0x5b99/0x8870 [ 146.643702][ T55] ? kmsan_get_metadata+0x116/0x180 [ 146.643702][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.643702][ T55] ? led_work+0x780/0x780 [ 146.643702][ T55] process_one_work+0x1219/0x1fe0 [ 146.673749][ T55] worker_thread+0x12bc/0x2340 [ 146.673749][ T55] kthread+0x521/0x560 [ 146.673749][ T55] ? process_one_work+0x1fe0/0x1fe0 [ 146.673749][ T55] ? kthread_blkcg+0x110/0x110 [ 146.673749][ T55] ret_from_fork+0x1f/0x30 [ 146.673749][ T55] [ 146.673749][ T55] Local variable ----data@usb_read8 created at: [ 146.703693][ T55] usb_read8+0x5d/0x130 [ 146.703693][ T55] usb_read8+0x5d/0x130 [ 146.703693][ T55] ===================================================== [ 146.721615][ T55] ===================================================== [ 146.729005][ T55] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 146.733699][ T55] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.733699][ T55] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.733699][ T55] Workqueue: usb_hub_wq hub_event [ 146.733699][ T55] Call Trace: [ 146.733699][ T55] dump_stack+0x24c/0x2e0 [ 146.733699][ T55] kmsan_report+0xfb/0x1e0 [ 146.733699][ T55] __msan_warning+0x5c/0xa0 [ 146.733699][ T55] r871xu_drv_init+0x2a38/0x2fe0 [ 146.733699][ T55] ? r871x_dev_unload+0x310/0x310 [ 146.733699][ T55] usb_probe_interface+0xfcc/0x1520 [ 146.733699][ T55] ? usb_register_driver+0x900/0x900 [ 146.793685][ T55] really_probe+0xe15/0x24d0 [ 146.793685][ T55] driver_probe_device+0x29d/0x3a0 [ 146.793685][ T55] __device_attach_driver+0x63f/0x830 [ 146.793685][ T55] bus_for_each_drv+0x2c8/0x3f0 [ 146.793685][ T55] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.793685][ T55] __device_attach+0x56a/0x890 [ 146.793685][ T55] device_initial_probe+0x4a/0x60 [ 146.793685][ T55] bus_probe_device+0x17e/0x3d0 [ 146.793685][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.793685][ T55] device_add+0x2c15/0x31d0 [ 146.793685][ T55] usb_set_configuration+0x3872/0x3eb0 [ 146.793685][ T55] ? usb_set_configuration+0xae1/0x3eb0 [ 146.793685][ T55] usb_generic_driver_probe+0x138/0x300 [ 146.793685][ T55] ? usb_choose_configuration+0xee0/0xee0 [ 146.793685][ T55] usb_probe_device+0x317/0x570 [ 146.793685][ T55] ? usb_register_device_driver+0x590/0x590 [ 146.883750][ T55] really_probe+0xe15/0x24d0 [ 146.889209][ T55] driver_probe_device+0x29d/0x3a0 [ 146.894262][ T55] __device_attach_driver+0x63f/0x830 [ 146.899076][ T55] bus_for_each_drv+0x2c8/0x3f0 [ 146.903885][ T55] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.909912][ T55] __device_attach+0x56a/0x890 [ 146.915110][ T55] device_initial_probe+0x4a/0x60 [ 146.919952][ T55] bus_probe_device+0x17e/0x3d0 [ 146.924885][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.930889][ T55] device_add+0x2c15/0x31d0 [ 146.935691][ T55] usb_new_device+0x1bd4/0x2a30 [ 146.940534][ T55] hub_event+0x5b99/0x8870 [ 146.945360][ T55] ? kmsan_get_metadata+0x116/0x180 [ 146.950353][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.956575][ T55] ? led_work+0x780/0x780 [ 146.961354][ T55] process_one_work+0x1219/0x1fe0 [ 146.966139][ T55] worker_thread+0x12bc/0x2340 [ 146.970945][ T55] kthread+0x521/0x560 [ 146.974613][ T55] ? process_one_work+0x1fe0/0x1fe0 [ 146.980630][ T55] ? kthread_blkcg+0x110/0x110 [ 146.985577][ T55] ret_from_fork+0x1f/0x30 [ 146.989193][ T55] [ 146.991631][ T55] Local variable ----mac@r871xu_drv_init created at: [ 146.998916][ T55] r871xu_drv_init+0x189d/0x2fe0 [ 147.003764][ T55] r871xu_drv_init+0x189d/0x2fe0 [ 147.008654][ T55] ===================================================== [ 147.016545][ T55] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 147.024297][ T55] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 147.037513][ T1980] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 147.046682][ T1980] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 147.056418][ T55] usb 1-1: USB disconnect, device number 3 [ 147.082182][ T1980] usb 1-1: r8712u: Firmware request failed [ 147.453815][ T55] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 147.713807][ T55] usb 1-1: Using ep0 maxpacket: 8 [ 147.893970][ T55] usb 1-1: unable to get BOS descriptor or descriptor too short [ 147.974174][ T55] usb 1-1: config 2 has an invalid interface number: 71 but max is 0 [ 147.982376][ T55] usb 1-1: config 2 has no interface number 0 [ 147.988794][ T55] usb 1-1: config 2 interface 71 altsetting 3 endpoint 0x4 has invalid wMaxPacketSize 0 [ 147.999042][ T55] usb 1-1: config 2 interface 71 altsetting 3 has an invalid endpoint with address 0x0, skipping [ 148.010284][ T55] usb 1-1: config 2 interface 71 has no altsetting 0 [ 148.264006][ T55] usb 1-1: string descriptor 0 read error: -22 [ 148.270319][ T55] usb 1-1: New USB device found, idVendor=25d4, idProduct=4ca1, bcdDevice= 0.04 [ 148.279625][ T55] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 148.332398][ T55] r8712u: register rtl8712_netdev_ops to netdev_ops [ 148.339285][ T55] usb 1-1: r8712u: USB_SPEED_HIGH with 1 endpoints [ 148.464005][ T55] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 148.469861][ C1] ===================================================== [ 148.469887][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.469910][ C1] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.469939][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.469965][ C1] Workqueue: usb_hub_wq hub_event [ 148.469996][ C1] Call Trace: [ 148.470021][ C1] dump_stack+0x24c/0x2e0 [ 148.470052][ C1] kmsan_report+0xfb/0x1e0 [ 148.470085][ C1] __msan_warning+0x5c/0xa0 [ 148.470116][ C1] string+0x573/0x6d0 [ 148.470148][ C1] vsnprintf+0x1acd/0x3600 [ 148.470181][ C1] pointer+0x1cbb/0x1ea0 [ 148.470217][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.470254][ C1] vsnprintf+0x15f2/0x3600 [ 148.470270][ C1] vprintk_store+0x2ab/0x1df0 [ 148.470287][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.470306][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 148.470324][ C1] ? __printk_safe_enter+0xe/0x30 [ 148.470341][ C1] vprintk_emit+0x28e/0x8b0 [ 148.470358][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 148.470374][ C1] dev_printk_emit+0x1ce/0x210 [ 148.470391][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 148.470410][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.470428][ C1] __dev_printk+0x3dc/0x458 [ 148.470444][ C1] _dev_info+0x1e5/0x22a [ 148.470459][ C1] ? usb_read8+0xe7/0x130 [ 148.470475][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 148.470494][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 148.470511][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 148.470528][ C1] ? r871x_dev_unload+0x310/0x310 [ 148.470545][ C1] usb_probe_interface+0xfcc/0x1520 [ 148.470562][ C1] ? usb_register_driver+0x900/0x900 [ 148.470580][ C1] really_probe+0xe15/0x24d0 [ 148.470601][ C1] driver_probe_device+0x29d/0x3a0 [ 148.470619][ C1] __device_attach_driver+0x63f/0x830 [ 148.470637][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 148.470654][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 148.470672][ C1] __device_attach+0x56a/0x890 [ 148.470689][ C1] device_initial_probe+0x4a/0x60 [ 148.470705][ C1] bus_probe_device+0x17e/0x3d0 [ 148.470722][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.470740][ C1] device_add+0x2c15/0x31d0 [ 148.470757][ C1] usb_set_configuration+0x3872/0x3eb0 [ 148.470774][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 148.470792][ C1] usb_generic_driver_probe+0x138/0x300 [ 148.470810][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 148.470828][ C1] usb_probe_device+0x317/0x570 [ 148.470845][ C1] ? usb_register_device_driver+0x590/0x590 [ 148.470863][ C1] really_probe+0xe15/0x24d0 [ 148.470880][ C1] driver_probe_device+0x29d/0x3a0 [ 148.470897][ C1] __device_attach_driver+0x63f/0x830 [ 148.470915][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 148.470932][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 148.470949][ C1] __device_attach+0x56a/0x890 [ 148.470966][ C1] device_initial_probe+0x4a/0x60 [ 148.470982][ C1] bus_probe_device+0x17e/0x3d0 [ 148.470999][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.471017][ C1] device_add+0x2c15/0x31d0 [ 148.471033][ C1] usb_new_device+0x1bd4/0x2a30 [ 148.471049][ C1] hub_event+0x5b99/0x8870 [ 148.471065][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.471083][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.471100][ C1] ? led_work+0x780/0x780 [ 148.471116][ C1] process_one_work+0x1219/0x1fe0 [ 148.471132][ C1] worker_thread+0x12bc/0x2340 [ 148.471148][ C1] kthread+0x521/0x560 [ 148.471163][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 148.471180][ C1] ? kthread_blkcg+0x110/0x110 [ 148.471196][ C1] ret_from_fork+0x1f/0x30 [ 148.471210][ C1] [ 148.471227][ C1] Local variable ----data@usb_read8 created at: [ 148.471265][ C1] usb_read8+0x5d/0x130 [ 148.471298][ C1] usb_read8+0x5d/0x130 [ 148.471333][ C1] ===================================================== [ 148.471380][ C1] ===================================================== [ 148.471426][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.471473][ C1] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.471501][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.471526][ C1] Workqueue: usb_hub_wq hub_event [ 148.471555][ C1] Call Trace: [ 148.471568][ C1] dump_stack+0x24c/0x2e0 [ 148.471584][ C1] kmsan_report+0xfb/0x1e0 [ 148.471604][ C1] __msan_warning+0x5c/0xa0 [ 148.471620][ C1] string+0x573/0x6d0 [ 148.471635][ C1] vsnprintf+0x1acd/0x3600 [ 148.471650][ C1] pointer+0x1cbb/0x1ea0 [ 148.471666][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.471684][ C1] vsnprintf+0x15f2/0x3600 [ 148.471699][ C1] vprintk_store+0x2ab/0x1df0 [ 148.471716][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.471734][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 148.471753][ C1] ? __printk_safe_enter+0xe/0x30 [ 148.471769][ C1] vprintk_emit+0x28e/0x8b0 [ 148.471786][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 148.471802][ C1] dev_printk_emit+0x1ce/0x210 [ 148.471819][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 148.471837][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.471854][ C1] __dev_printk+0x3dc/0x458 [ 148.471870][ C1] _dev_info+0x1e5/0x22a [ 148.471885][ C1] ? usb_read8+0xe7/0x130 [ 148.471900][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 148.471918][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 148.471935][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 148.471952][ C1] ? r871x_dev_unload+0x310/0x310 [ 148.471969][ C1] usb_probe_interface+0xfcc/0x1520 [ 148.471986][ C1] ? usb_register_driver+0x900/0x900 [ 148.472003][ C1] really_probe+0xe15/0x24d0 [ 148.472019][ C1] driver_probe_device+0x29d/0x3a0 [ 148.472036][ C1] __device_attach_driver+0x63f/0x830 [ 148.472053][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 148.472070][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 148.472088][ C1] __device_attach+0x56a/0x890 [ 148.472104][ C1] device_initial_probe+0x4a/0x60 [ 148.472120][ C1] bus_probe_device+0x17e/0x3d0 [ 148.472137][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.472155][ C1] device_add+0x2c15/0x31d0 [ 148.472171][ C1] usb_set_configuration+0x3872/0x3eb0 [ 148.472189][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 148.472206][ C1] usb_generic_driver_probe+0x138/0x300 [ 148.472224][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 148.472242][ C1] usb_probe_device+0x317/0x570 [ 148.472259][ C1] ? usb_register_device_driver+0x590/0x590 [ 148.472276][ C1] really_probe+0xe15/0x24d0 [ 148.472293][ C1] driver_probe_device+0x29d/0x3a0 [ 148.472310][ C1] __device_attach_driver+0x63f/0x830 [ 148.472327][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 148.472344][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 148.472361][ C1] __device_attach+0x56a/0x890 [ 148.472378][ C1] device_initial_probe+0x4a/0x60 [ 148.472394][ C1] bus_probe_device+0x17e/0x3d0 [ 148.472411][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.472428][ C1] device_add+0x2c15/0x31d0 [ 148.472447][ C1] usb_new_device+0x1bd4/0x2a30 [ 148.472479][ C1] hub_event+0x5b99/0x8870 [ 148.472513][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.472548][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.472586][ C1] ? led_work+0x780/0x780 [ 148.472624][ C1] process_one_work+0x1219/0x1fe0 [ 148.472658][ C1] worker_thread+0x12bc/0x2340 [ 148.472685][ C1] kthread+0x521/0x560 [ 148.472701][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 148.472717][ C1] ? kthread_blkcg+0x110/0x110 [ 148.472733][ C1] ret_from_fork+0x1f/0x30 [ 148.472748][ C1] [ 148.472762][ C1] Local variable ----data@usb_read8 created at: [ 148.472781][ C1] usb_read8+0x5d/0x130 [ 148.472796][ C1] usb_read8+0x5d/0x130 [ 148.472826][ C1] ===================================================== [ 148.472848][ C1] ===================================================== [ 148.472870][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.472892][ C1] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.472919][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.472943][ C1] Workqueue: usb_hub_wq hub_event [ 148.472972][ C1] Call Trace: [ 148.472986][ C1] dump_stack+0x24c/0x2e0 [ 148.473001][ C1] kmsan_report+0xfb/0x1e0 [ 148.473016][ C1] __msan_warning+0x5c/0xa0 [ 148.473032][ C1] string+0x573/0x6d0 [ 148.473046][ C1] vsnprintf+0x1acd/0x3600 [ 148.473062][ C1] pointer+0x1cbb/0x1ea0 [ 148.473077][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.473095][ C1] vsnprintf+0x15f2/0x3600 [ 148.473110][ C1] vprintk_store+0x2ab/0x1df0 [ 148.473127][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.473146][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 148.473165][ C1] ? __printk_safe_enter+0xe/0x30 [ 148.473181][ C1] vprintk_emit+0x28e/0x8b0 [ 148.473197][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 148.473213][ C1] dev_printk_emit+0x1ce/0x210 [ 148.473230][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 148.473248][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.473265][ C1] __dev_printk+0x3dc/0x458 [ 148.473281][ C1] _dev_info+0x1e5/0x22a [ 148.473296][ C1] ? usb_read8+0xe7/0x130 [ 148.473312][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 148.473329][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 148.473347][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 148.473363][ C1] ? r871x_dev_unload+0x310/0x310 [ 148.473381][ C1] usb_probe_interface+0xfcc/0x1520 [ 148.473398][ C1] ? usb_register_driver+0x900/0x900 [ 148.473416][ C1] really_probe+0xe15/0x24d0 [ 148.473432][ C1] driver_probe_device+0x29d/0x3a0 [ 148.473449][ C1] __device_attach_driver+0x63f/0x830 [ 148.473467][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 148.473498][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 148.473533][ C1] __device_attach+0x56a/0x890 [ 148.473565][ C1] device_initial_probe+0x4a/0x60 [ 148.473603][ C1] bus_probe_device+0x17e/0x3d0 [ 148.473636][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.473672][ C1] device_add+0x2c15/0x31d0 [ 148.473707][ C1] usb_set_configuration+0x3872/0x3eb0 [ 148.473743][ C1] ? usb_set_configuration+0xae1/0x3eb0 [ 148.473781][ C1] usb_generic_driver_probe+0x138/0x300 [ 148.473792][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 148.473792][ C1] usb_probe_device+0x317/0x570 [ 148.473792][ C1] ? usb_register_device_driver+0x590/0x590 [ 148.473792][ C1] really_probe+0xe15/0x24d0 [ 148.473792][ C1] driver_probe_device+0x29d/0x3a0 [ 148.473792][ C1] __device_attach_driver+0x63f/0x830 [ 148.473792][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 148.473792][ C1] ? deferred_probe_work_func+0x4d0/0x4d0 [ 148.473792][ C1] __device_attach+0x56a/0x890 [ 148.473792][ C1] device_initial_probe+0x4a/0x60 [ 148.473792][ C1] bus_probe_device+0x17e/0x3d0 [ 148.473792][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.473792][ C1] device_add+0x2c15/0x31d0 [ 148.473792][ C1] usb_new_device+0x1bd4/0x2a30 [ 148.473792][ C1] hub_event+0x5b99/0x8870 [ 148.473792][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.473792][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.473792][ C1] ? led_work+0x780/0x780 [ 148.473792][ C1] process_one_work+0x1219/0x1fe0 [ 148.473792][ C1] worker_thread+0x12bc/0x2340 [ 148.473792][ C1] kthread+0x521/0x560 [ 148.473792][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 148.473792][ C1] ? kthread_blkcg+0x110/0x110 [ 148.473792][ C1] ret_from_fork+0x1f/0x30 [ 148.473792][ C1] [ 148.473792][ C1] Local variable ----data@usb_read8 created at: [ 148.473792][ C1] usb_read8+0x5d/0x130 [ 148.473792][ C1] usb_read8+0x5d/0x130 [ 148.473792][ C1] ===================================================== [ 148.473792][ C1] ===================================================== [ 148.473792][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.473792][ C1] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.473792][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.473792][ C1] Workqueue: usb_hub_wq hub_event [ 148.473792][ C1] Call Trace: [ 148.473792][ C1] dump_stack+0x24c/0x2e0 [ 148.473792][ C1] kmsan_report+0xfb/0x1e0 [ 148.473792][ C1] __msan_warning+0x5c/0xa0 [ 148.473792][ C1] string+0x573/0x6d0 [ 148.473792][ C1] vsnprintf+0x1acd/0x3600 [ 148.473792][ C1] pointer+0x1cbb/0x1ea0 [ 148.473792][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.473792][ C1] vsnprintf+0x15f2/0x3600 [ 148.473792][ C1] vprintk_store+0x2ab/0x1df0 [ 148.473792][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.473792][ C1] ? __msan_instrument_asm_store+0x22/0x130 [ 148.473792][ C1] ? __printk_safe_enter+0xe/0x30 [ 148.473792][ C1] vprintk_emit+0x28e/0x8b0 [ 148.473792][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 148.473792][ C1] dev_printk_emit+0x1 [ 148.473792][ C1] Lost 1703 message(s)! [ 149.773045][ T55] ===================================================== [ 149.780005][ T55] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 149.782608][ T55] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.782608][ T55] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.782608][ T55] Workqueue: usb_hub_wq hub_event [ 149.782608][ T55] Call Trace: [ 149.782608][ T55] dump_stack+0x24c/0x2e0 [ 149.782608][ T55] kmsan_report+0xfb/0x1e0 [ 149.782608][ T55] __msan_warning+0x5c/0xa0 [ 149.782608][ T55] r871xu_drv_init+0x1a86/0x2fe0 [ 149.782608][ T55] ? r871x_dev_unload+0x310/0x310 [ 149.782608][ T55] usb_probe_interface+0xfcc/0x1520 [ 149.782608][ T55] ? usb_register_driver+0x900/0x900 [ 149.782608][ T55] really_probe+0xe15/0x24d0 [ 149.782608][ T55] driver_probe_device+0x29d/0x3a0 [ 149.782608][ T55] __device_attach_driver+0x63f/0x830 [ 149.782608][ T55] bus_for_each_drv+0x2c8/0x3f0 [ 149.782608][ T55] ? deferred_probe_work_func+0x4d0/0x4d0 [ 149.782608][ T55] __device_attach+0x56a/0x890 [ 149.782608][ T55] device_initial_probe+0x4a/0x60 [ 149.782608][ T55] bus_probe_device+0x17e/0x3d0 [ 149.782608][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.782608][ T55] device_add+0x2c15/0x31d0 [ 149.782608][ T55] usb_set_configuration+0x3872/0x3eb0 [ 149.782608][ T55] ? usb_set_configuration+0xae1/0x3eb0 [ 149.782608][ T55] usb_generic_driver_probe+0x138/0x300 [ 149.782608][ T55] ? usb_choose_configuration+0xee0/0xee0 [ 149.782608][ T55] usb_probe_device+0x317/0x570 [ 149.782608][ T55] ? usb_register_device_driver+0x590/0x590 [ 149.782608][ T55] really_probe+0xe15/0x24d0 [ 149.782608][ T55] driver_probe_device+0x29d/0x3a0 [ 149.782608][ T55] __device_attach_driver+0x63f/0x830 [ 149.782608][ T55] bus_for_each_drv+0x2c8/0x3f0 [ 149.782608][ T55] ? deferred_probe_work_func+0x4d0/0x4d0 [ 149.782608][ T55] __device_attach+0x56a/0x890 [ 149.782608][ T55] device_initial_probe+0x4a/0x60 [ 149.782608][ T55] bus_probe_device+0x17e/0x3d0 [ 149.782608][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.782608][ T55] device_add+0x2c15/0x31d0 [ 149.782608][ T55] usb_new_device+0x1bd4/0x2a30 [ 149.782608][ T55] hub_event+0x5b99/0x8870 [ 149.782608][ T55] ? kmsan_get_metadata+0x116/0x180 [ 149.782608][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.782608][ T55] ? led_work+0x780/0x780 [ 149.782608][ T55] process_one_work+0x1219/0x1fe0 [ 149.782608][ T55] worker_thread+0x12bc/0x2340 [ 149.782608][ T55] kthread+0x521/0x560 [ 149.782608][ T55] ? process_one_work+0x1fe0/0x1fe0 [ 149.782608][ T55] ? kthread_blkcg+0x110/0x110 [ 149.782608][ T55] ret_from_fork+0x1f/0x30 [ 149.782608][ T55] [ 149.782608][ T55] Local variable ----data@usb_read8 created at: [ 149.782608][ T55] usb_read8+0x5d/0x130 [ 149.782608][ T55] usb_read8+0x5d/0x130 [ 149.782608][ T55] ===================================================== [ 150.063835][ T55] ===================================================== [ 150.070813][ T55] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 150.073677][ T55] CPU: 1 PID: 55 Comm: kworker/1:1 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.073677][ T55] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.073677][ T55] Workqueue: usb_hub_wq hub_event [ 150.073677][ T55] Call Trace: [ 150.073677][ T55] dump_stack+0x24c/0x2e0 [ 150.109140][ T55] kmsan_report+0xfb/0x1e0 [ 150.109140][ T55] __msan_warning+0x5c/0xa0 [ 150.109140][ T55] r871xu_drv_init+0x2a38/0x2fe0 [ 150.109140][ T55] ? r871x_dev_unload+0x310/0x310 [ 150.109140][ T55] usb_probe_interface+0xfcc/0x1520 [ 150.109140][ T55] ? usb_register_driver+0x900/0x900 [ 150.109140][ T55] really_probe+0xe15/0x24d0 [ 150.109140][ T55] driver_probe_device+0x29d/0x3a0 [ 150.109140][ T55] __device_attach_driver+0x63f/0x830 [ 150.109140][ T55] bus_for_each_drv+0x2c8/0x3f0 [ 150.109140][ T55] ? deferred_probe_work_func+0x4d0/0x4d0 [ 150.109140][ T55] __device_attach+0x56a/0x890 [ 150.109140][ T55] device_initial_probe+0x4a/0x60 [ 150.109140][ T55] bus_probe_device+0x17e/0x3d0 [ 150.109140][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.109140][ T55] device_add+0x2c15/0x31d0 [ 150.109140][ T55] usb_set_configuration+0x3872/0x3eb0 [ 150.109140][ T55] ? usb_set_configuration+0xae1/0x3eb0 [ 150.109140][ T55] usb_generic_driver_probe+0x138/0x300 [ 150.109140][ T55] ? usb_choose_configuration+0xee0/0xee0 [ 150.109140][ T55] usb_probe_device+0x317/0x570 [ 150.109140][ T55] ? usb_register_device_driver+0x590/0x590 [ 150.109140][ T55] really_probe+0xe15/0x24d0 [ 150.109140][ T55] driver_probe_device+0x29d/0x3a0 [ 150.109140][ T55] __device_attach_driver+0x63f/0x830 [ 150.109140][ T55] bus_for_each_drv+0x2c8/0x3f0 [ 150.109140][ T55] ? deferred_probe_work_func+0x4d0/0x4d0 [ 150.109140][ T55] __device_attach+0x56a/0x890 [ 150.109140][ T55] device_initial_probe+0x4a/0x60 [ 150.109140][ T55] bus_probe_device+0x17e/0x3d0 [ 150.109140][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.109140][ T55] device_add+0x2c15/0x31d0 [ 150.109140][ T55] usb_new_device+0x1bd4/0x2a30 [ 150.109140][ T55] hub_event+0x5b99/0x8870 [ 150.109140][ T55] ? kmsan_get_metadata+0x116/0x180 [ 150.109140][ T55] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.109140][ T55] ? led_work+0x780/0x780 [ 150.109140][ T55] process_one_work+0x1219/0x1fe0 [ 150.109140][ T55] worker_thread+0x12bc/0x2340 [ 150.109140][ T55] kthread+0x521/0x560 [ 150.109140][ T55] ? process_one_work+0x1fe0/0x1fe0 [ 150.109140][ T55] ? kthread_blkcg+0x110/0x110 [ 150.109140][ T55] ret_from_fork+0x1f/0x30 [ 150.109140][ T55] executing program [ 150.109140][ T55] Local variable ----mac@r871xu_drv_init created at: [ 150.109140][ T55] r871xu_drv_init+0x189d/0x2fe0 [ 150.109140][ T55] r871xu_drv_init+0x189d/0x2fe0 [ 150.109140][ T55] ===================================================== [ 150.354274][ T55] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 150.361899][ T55] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 150.458136][ T1980] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 150.467480][ T1980] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 150.485507][ T55] usb 1-1: USB disconnect, device number 4 [ 150.515182][ T1980] usb 1-1: r8712u: Firmware request failed [ 150.883755][ T55] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 151.123860][ T55] usb 1-1: Using ep0 maxpacket: 8 [ 151.284063][ T55] usb 1-1: unable to get BOS descriptor or descriptor too short [ 151.384003][ T55] usb 1-1: config 2 has an invalid interface number: 71 but max is 0 [ 151.392403][ T55] usb 1-1: config 2 has no interface number 0 [ 151.398821][ T55] usb 1-1: config 2 interface 71 altsetting 3 endpoint 0x4 has invalid wMaxPacketSize 0 [ 151.409011][ T55] usb 1-1: config 2 interface 71 altsetting 3 has an invalid endpoint with address 0x0, skipping [ 151.419981][ T55] usb 1-1: config 2 interface 71 has no altsetting 0 [ 151.663976][ T55] usb 1-1: string descriptor 0 read error: -22 [ 151.670567][ T55] usb 1-1: New USB device found, idVendor=25d4, idProduct=4ca1, bcdDevice= 0.04 [ 151.680151][ T55] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 151.742794][ T55] r8712u: register rtl8712_netdev_ops to netdev_ops [ 151.749706][ T55] usb 1-1: r8712u: USB_SPEED_HIGH with 1 endpoints