[ 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 Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.234' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 144.912457][ T1987] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 145.152455][ T1987] usb 1-1: Using ep0 maxpacket: 32 [ 145.272541][ T1987] usb 1-1: config 0 interface 0 altsetting 4 has an invalid endpoint with address 0x0, skipping [ 145.283350][ T1987] usb 1-1: config 0 interface 0 has no altsetting 0 [ 145.442772][ T1987] usb 1-1: New USB device found, idVendor=0bda, idProduct=8192, bcdDevice=f7.44 [ 145.451904][ T1987] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 145.460309][ T1987] usb 1-1: Product: syz [ 145.464777][ T1987] usb 1-1: Manufacturer: syz [ 145.469601][ T1987] usb 1-1: SerialNumber: syz [ 145.485270][ T1987] usb 1-1: config 0 descriptor?? executing program [ 145.770563][ T1987] r8712u: register rtl8712_netdev_ops to netdev_ops [ 145.777611][ T1987] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 145.823049][ T1987] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 145.832610][ C0] ===================================================== [ 145.832610][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.832610][ C0] CPU: 0 PID: 1987 Comm: kworker/0:2 Not tainted 5.12.0-rc6-syzkaller #0 [ 145.832610][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.832610][ C0] Workqueue: usb_hub_wq hub_event [ 145.832610][ C0] Call Trace: [ 145.832610][ C0] dump_stack+0x24c/0x2e0 [ 145.832610][ C0] kmsan_report+0xfb/0x1e0 [ 145.832610][ C0] __msan_warning+0x5c/0xa0 [ 145.832610][ C0] string+0x573/0x6d0 [ 145.832610][ C0] vsnprintf+0x1acd/0x3600 [ 145.832610][ C0] pointer+0x1cbb/0x1ea0 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] vsnprintf+0x15f2/0x3600 [ 145.832610][ C0] vprintk_store+0x2ab/0x1df0 [ 145.832610][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.832610][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 145.832610][ C0] ? __printk_safe_enter+0xe/0x30 [ 145.832610][ C0] vprintk_emit+0x28e/0x8b0 [ 145.832610][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 145.832610][ C0] dev_printk_emit+0x1ce/0x210 [ 145.832610][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] __dev_printk+0x3dc/0x458 [ 145.832610][ C0] _dev_info+0x1e5/0x22a [ 145.832610][ C0] ? usb_read8+0xe7/0x130 [ 145.832610][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.832610][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.832610][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 145.832610][ C0] ? r871x_dev_unload+0x310/0x310 [ 145.832610][ C0] usb_probe_interface+0xfcc/0x1520 [ 145.832610][ C0] ? usb_register_driver+0x900/0x900 [ 145.832610][ C0] really_probe+0xe15/0x24d0 [ 145.832610][ C0] driver_probe_device+0x29d/0x3a0 [ 145.832610][ C0] __device_attach_driver+0x63f/0x830 [ 145.832610][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.832610][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.832610][ C0] __device_attach+0x56a/0x890 [ 145.832610][ C0] device_initial_probe+0x4a/0x60 [ 145.832610][ C0] bus_probe_device+0x17e/0x3d0 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] device_add+0x2c15/0x31d0 [ 145.832610][ C0] usb_set_configuration+0x3872/0x3eb0 [ 145.832610][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 145.832610][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.832610][ C0] usb_generic_driver_probe+0x138/0x300 [ 145.832610][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 145.832610][ C0] usb_probe_device+0x317/0x570 [ 145.832610][ C0] ? usb_register_device_driver+0x590/0x590 [ 145.832610][ C0] really_probe+0xe15/0x24d0 [ 145.832610][ C0] driver_probe_device+0x29d/0x3a0 [ 145.832610][ C0] __device_attach_driver+0x63f/0x830 [ 145.832610][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.832610][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.832610][ C0] __device_attach+0x56a/0x890 [ 145.832610][ C0] device_initial_probe+0x4a/0x60 [ 145.832610][ C0] bus_probe_device+0x17e/0x3d0 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] device_add+0x2c15/0x31d0 [ 145.832610][ C0] usb_new_device+0x1bd4/0x2a30 [ 145.832610][ C0] hub_event+0x5b99/0x8870 [ 145.832610][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] ? led_work+0x780/0x780 [ 145.832610][ C0] process_one_work+0x1219/0x1fe0 [ 145.832610][ C0] worker_thread+0x10ec/0x2340 [ 145.832610][ C0] kthread+0x521/0x560 [ 145.832610][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 145.832610][ C0] ? kthread_blkcg+0x110/0x110 [ 145.832610][ C0] ret_from_fork+0x1f/0x30 [ 145.832610][ C0] [ 145.832610][ C0] Local variable ----data@usb_read8 created at: [ 145.832610][ C0] usb_read8+0x5d/0x130 [ 145.832610][ C0] usb_read8+0x5d/0x130 [ 145.832610][ C0] ===================================================== [ 145.832610][ C0] Disabling lock debugging due to kernel taint [ 145.832610][ C0] ===================================================== [ 145.832610][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.832610][ C0] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.832610][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.832610][ C0] Workqueue: usb_hub_wq hub_event [ 145.832610][ C0] Call Trace: [ 145.832610][ C0] dump_stack+0x24c/0x2e0 [ 145.832610][ C0] kmsan_report+0xfb/0x1e0 [ 145.832610][ C0] __msan_warning+0x5c/0xa0 [ 145.832610][ C0] string+0x573/0x6d0 [ 145.832610][ C0] vsnprintf+0x1acd/0x3600 [ 145.832610][ C0] pointer+0x1cbb/0x1ea0 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] vsnprintf+0x15f2/0x3600 [ 145.832610][ C0] vprintk_store+0x2ab/0x1df0 [ 145.832610][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.832610][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 145.832610][ C0] ? __printk_safe_enter+0xe/0x30 [ 145.832610][ C0] vprintk_emit+0x28e/0x8b0 [ 145.832610][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 145.832610][ C0] dev_printk_emit+0x1ce/0x210 [ 145.832610][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] __dev_printk+0x3dc/0x458 [ 145.832610][ C0] _dev_info+0x1e5/0x22a [ 145.832610][ C0] ? usb_read8+0xe7/0x130 [ 145.832610][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.832610][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.832610][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 145.832610][ C0] ? r871x_dev_unload+0x310/0x310 [ 145.832610][ C0] usb_probe_interface+0xfcc/0x1520 [ 145.832610][ C0] ? usb_register_driver+0x900/0x900 [ 145.832610][ C0] really_probe+0xe15/0x24d0 [ 145.832610][ C0] driver_probe_device+0x29d/0x3a0 [ 145.832610][ C0] __device_attach_driver+0x63f/0x830 [ 145.832610][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.832610][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.832610][ C0] __device_attach+0x56a/0x890 [ 145.832610][ C0] device_initial_probe+0x4a/0x60 [ 145.832610][ C0] bus_probe_device+0x17e/0x3d0 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] device_add+0x2c15/0x31d0 [ 145.832610][ C0] usb_set_configuration+0x3872/0x3eb0 [ 145.832610][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 145.832610][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.832610][ C0] usb_generic_driver_probe+0x138/0x300 [ 145.832610][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 145.832610][ C0] usb_probe_device+0x317/0x570 [ 145.832610][ C0] ? usb_register_device_driver+0x590/0x590 [ 145.832610][ C0] really_probe+0xe15/0x24d0 [ 145.832610][ C0] driver_probe_device+0x29d/0x3a0 [ 145.832610][ C0] __device_attach_driver+0x63f/0x830 [ 145.832610][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.832610][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.832610][ C0] __device_attach+0x56a/0x890 [ 145.832610][ C0] device_initial_probe+0x4a/0x60 [ 145.832610][ C0] bus_probe_device+0x17e/0x3d0 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] device_add+0x2c15/0x31d0 [ 145.832610][ C0] usb_new_device+0x1bd4/0x2a30 [ 145.832610][ C0] hub_event+0x5b99/0x8870 [ 145.832610][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] ? led_work+0x780/0x780 [ 145.832610][ C0] process_one_work+0x1219/0x1fe0 [ 145.832610][ C0] worker_thread+0x10ec/0x2340 [ 145.832610][ C0] kthread+0x521/0x560 [ 145.832610][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 145.832610][ C0] ? kthread_blkcg+0x110/0x110 [ 145.832610][ C0] ret_from_fork+0x1f/0x30 [ 145.832610][ C0] [ 145.832610][ C0] Local variable ----data@usb_read8 created at: [ 145.832610][ C0] usb_read8+0x5d/0x130 [ 145.832610][ C0] usb_read8+0x5d/0x130 [ 145.832610][ C0] ===================================================== [ 145.832610][ C0] ===================================================== [ 145.832610][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.832610][ C0] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.832610][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.832610][ C0] Workqueue: usb_hub_wq hub_event [ 145.832610][ C0] Call Trace: [ 145.832610][ C0] dump_stack+0x24c/0x2e0 [ 145.832610][ C0] kmsan_report+0xfb/0x1e0 [ 145.832610][ C0] __msan_warning+0x5c/0xa0 [ 145.832610][ C0] string+0x573/0x6d0 [ 145.832610][ C0] vsnprintf+0x1acd/0x3600 [ 145.832610][ C0] pointer+0x1cbb/0x1ea0 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] vsnprintf+0x15f2/0x3600 [ 145.832610][ C0] vprintk_store+0x2ab/0x1df0 [ 145.832610][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.832610][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 145.832610][ C0] ? __printk_safe_enter+0xe/0x30 [ 145.832610][ C0] vprintk_emit+0x28e/0x8b0 [ 145.832610][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 145.832610][ C0] dev_printk_emit+0x1ce/0x210 [ 145.832610][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] __dev_printk+0x3dc/0x458 [ 145.832610][ C0] _dev_info+0x1e5/0x22a [ 145.832610][ C0] ? usb_read8+0xe7/0x130 [ 145.832610][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.832610][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.832610][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 145.832610][ C0] ? r871x_dev_unload+0x310/0x310 [ 145.832610][ C0] usb_probe_interface+0xfcc/0x1520 [ 145.832610][ C0] ? usb_register_driver+0x900/0x900 [ 145.832610][ C0] really_probe+0xe15/0x24d0 [ 145.832610][ C0] driver_probe_device+0x29d/0x3a0 [ 145.832610][ C0] __device_attach_driver+0x63f/0x830 [ 145.832610][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.832610][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.832610][ C0] __device_attach+0x56a/0x890 [ 145.832610][ C0] device_initial_probe+0x4a/0x60 [ 145.832610][ C0] bus_probe_device+0x17e/0x3d0 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] device_add+0x2c15/0x31d0 [ 145.832610][ C0] usb_set_configuration+0x3872/0x3eb0 [ 145.832610][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 145.832610][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.832610][ C0] usb_generic_driver_probe+0x138/0x300 [ 145.832610][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 145.832610][ C0] usb_probe_device+0x317/0x570 [ 145.832610][ C0] ? usb_register_device_driver+0x590/0x590 [ 145.832610][ C0] really_probe+0xe15/0x24d0 [ 145.832610][ C0] driver_probe_device+0x29d/0x3a0 [ 145.832610][ C0] __device_attach_driver+0x63f/0x830 [ 145.832610][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.832610][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.832610][ C0] __device_attach+0x56a/0x890 [ 145.832610][ C0] device_initial_probe+0x4a/0x60 [ 145.832610][ C0] bus_probe_device+0x17e/0x3d0 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] device_add+0x2c15/0x31d0 [ 145.832610][ C0] usb_new_device+0x1bd4/0x2a30 [ 145.832610][ C0] hub_event+0x5b99/0x8870 [ 145.832610][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] ? led_work+0x780/0x780 [ 145.832610][ C0] process_one_work+0x1219/0x1fe0 [ 145.832610][ C0] worker_thread+0x10ec/0x2340 [ 145.832610][ C0] kthread+0x521/0x560 [ 145.832610][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 145.832610][ C0] ? kthread_blkcg+0x110/0x110 [ 145.832610][ C0] ret_from_fork+0x1f/0x30 [ 145.832610][ C0] [ 145.832610][ C0] Local variable ----data@usb_read8 created at: [ 145.832610][ C0] usb_read8+0x5d/0x130 [ 145.832610][ C0] usb_read8+0x5d/0x130 [ 145.832610][ C0] ===================================================== [ 145.832610][ C0] ===================================================== [ 145.832610][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.832610][ C0] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.832610][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.832610][ C0] Workqueue: usb_hub_wq hub_event [ 145.832610][ C0] Call Trace: [ 145.832610][ C0] dump_stack+0x24c/0x2e0 [ 145.832610][ C0] kmsan_report+0xfb/0x1e0 [ 145.832610][ C0] __msan_warning+0x5c/0xa0 [ 145.832610][ C0] string+0x573/0x6d0 [ 145.832610][ C0] vsnprintf+0x1acd/0x3600 [ 145.832610][ C0] pointer+0x1cbb/0x1ea0 [ 145.832610][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.832610][ C0] vsnprintf+0x15f2/0x3600 [ 145.832610][ C0] vprintk_store+0x2ab/0x1df0 [ 145.832610][ C0] ? kmsan_internal_ [ 145.832610][ C0] Lost 1731 message(s)! [ 147.135436][ T1987] ===================================================== [ 147.142387][ T1987] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 147.144344][ T1987] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.144344][ T1987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.144344][ T1987] Workqueue: usb_hub_wq hub_event [ 147.144344][ T1987] Call Trace: [ 147.144344][ T1987] dump_stack+0x24c/0x2e0 [ 147.144344][ T1987] kmsan_report+0xfb/0x1e0 [ 147.144344][ T1987] __msan_warning+0x5c/0xa0 [ 147.144344][ T1987] r871xu_drv_init+0x1a86/0x2fe0 [ 147.144344][ T1987] ? r871x_dev_unload+0x310/0x310 [ 147.144344][ T1987] usb_probe_interface+0xfcc/0x1520 [ 147.144344][ T1987] ? usb_register_driver+0x900/0x900 [ 147.144344][ T1987] really_probe+0xe15/0x24d0 [ 147.144344][ T1987] driver_probe_device+0x29d/0x3a0 [ 147.144344][ T1987] __device_attach_driver+0x63f/0x830 [ 147.144344][ T1987] bus_for_each_drv+0x2c8/0x3f0 [ 147.144344][ T1987] ? deferred_probe_work_func+0x4d0/0x4d0 [ 147.144344][ T1987] __device_attach+0x56a/0x890 [ 147.144344][ T1987] device_initial_probe+0x4a/0x60 [ 147.144344][ T1987] bus_probe_device+0x17e/0x3d0 [ 147.144344][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.144344][ T1987] device_add+0x2c15/0x31d0 [ 147.144344][ T1987] usb_set_configuration+0x3872/0x3eb0 [ 147.144344][ T1987] ? usb_set_configuration+0xae1/0x3eb0 [ 147.144344][ T1987] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 147.144344][ T1987] usb_generic_driver_probe+0x138/0x300 [ 147.144344][ T1987] ? usb_choose_configuration+0xee0/0xee0 [ 147.144344][ T1987] usb_probe_device+0x317/0x570 [ 147.144344][ T1987] ? usb_register_device_driver+0x590/0x590 [ 147.144344][ T1987] really_probe+0xe15/0x24d0 [ 147.144344][ T1987] driver_probe_device+0x29d/0x3a0 [ 147.144344][ T1987] __device_attach_driver+0x63f/0x830 [ 147.144344][ T1987] bus_for_each_drv+0x2c8/0x3f0 [ 147.144344][ T1987] ? deferred_probe_work_func+0x4d0/0x4d0 [ 147.144344][ T1987] __device_attach+0x56a/0x890 [ 147.144344][ T1987] device_initial_probe+0x4a/0x60 [ 147.144344][ T1987] bus_probe_device+0x17e/0x3d0 [ 147.144344][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.144344][ T1987] device_add+0x2c15/0x31d0 [ 147.144344][ T1987] usb_new_device+0x1bd4/0x2a30 [ 147.144344][ T1987] hub_event+0x5b99/0x8870 [ 147.144344][ T1987] ? kmsan_get_metadata+0x116/0x180 [ 147.144344][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.144344][ T1987] ? led_work+0x780/0x780 [ 147.144344][ T1987] process_one_work+0x1219/0x1fe0 [ 147.144344][ T1987] worker_thread+0x10ec/0x2340 [ 147.144344][ T1987] kthread+0x521/0x560 [ 147.144344][ T1987] ? process_one_work+0x1fe0/0x1fe0 [ 147.144344][ T1987] ? kthread_blkcg+0x110/0x110 [ 147.144344][ T1987] ret_from_fork+0x1f/0x30 [ 147.144344][ T1987] [ 147.144344][ T1987] Local variable ----data@usb_read8 created at: [ 147.144344][ T1987] usb_read8+0x5d/0x130 [ 147.144344][ T1987] usb_read8+0x5d/0x130 [ 147.144344][ T1987] ===================================================== [ 147.431796][ T1987] ===================================================== [ 147.438761][ T1987] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 147.444901][ T1987] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.444901][ T1987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.444901][ T1987] Workqueue: usb_hub_wq hub_event [ 147.444901][ T1987] Call Trace: [ 147.444901][ T1987] dump_stack+0x24c/0x2e0 [ 147.444901][ T1987] kmsan_report+0xfb/0x1e0 [ 147.444901][ T1987] __msan_warning+0x5c/0xa0 [ 147.444901][ T1987] r871xu_drv_init+0x2a38/0x2fe0 [ 147.489446][ T1987] ? r871x_dev_unload+0x310/0x310 [ 147.489446][ T1987] usb_probe_interface+0xfcc/0x1520 [ 147.489446][ T1987] ? usb_register_driver+0x900/0x900 [ 147.489446][ T1987] really_probe+0xe15/0x24d0 [ 147.489446][ T1987] driver_probe_device+0x29d/0x3a0 [ 147.489446][ T1987] __device_attach_driver+0x63f/0x830 [ 147.489446][ T1987] bus_for_each_drv+0x2c8/0x3f0 [ 147.489446][ T1987] ? deferred_probe_work_func+0x4d0/0x4d0 [ 147.489446][ T1987] __device_attach+0x56a/0x890 [ 147.489446][ T1987] device_initial_probe+0x4a/0x60 [ 147.489446][ T1987] bus_probe_device+0x17e/0x3d0 [ 147.489446][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.489446][ T1987] device_add+0x2c15/0x31d0 [ 147.489446][ T1987] usb_set_configuration+0x3872/0x3eb0 [ 147.489446][ T1987] ? usb_set_configuration+0xae1/0x3eb0 [ 147.489446][ T1987] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 147.489446][ T1987] usb_generic_driver_probe+0x138/0x300 [ 147.489446][ T1987] ? usb_choose_configuration+0xee0/0xee0 [ 147.489446][ T1987] usb_probe_device+0x317/0x570 [ 147.489446][ T1987] ? usb_register_device_driver+0x590/0x590 [ 147.489446][ T1987] really_probe+0xe15/0x24d0 [ 147.489446][ T1987] driver_probe_device+0x29d/0x3a0 [ 147.489446][ T1987] __device_attach_driver+0x63f/0x830 [ 147.489446][ T1987] bus_for_each_drv+0x2c8/0x3f0 [ 147.489446][ T1987] ? deferred_probe_work_func+0x4d0/0x4d0 [ 147.489446][ T1987] __device_attach+0x56a/0x890 [ 147.489446][ T1987] device_initial_probe+0x4a/0x60 [ 147.489446][ T1987] bus_probe_device+0x17e/0x3d0 [ 147.489446][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.489446][ T1987] device_add+0x2c15/0x31d0 [ 147.489446][ T1987] usb_new_device+0x1bd4/0x2a30 [ 147.489446][ T1987] hub_event+0x5b99/0x8870 [ 147.489446][ T1987] ? kmsan_get_metadata+0x116/0x180 [ 147.489446][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.489446][ T1987] ? led_work+0x780/0x780 [ 147.489446][ T1987] process_one_work+0x1219/0x1fe0 [ 147.489446][ T1987] worker_thread+0x10ec/0x2340 [ 147.489446][ T1987] kthread+0x521/0x560 [ 147.489446][ T1987] ? process_one_work+0x1fe0/0x1fe0 [ 147.489446][ T1987] ? kthread_blkcg+0x110/0x110 [ 147.489446][ T1987] ret_from_fork+0x1f/0x30 [ 147.489446][ T1987] [ 147.489446][ T1987] Local variable ----mac@r871xu_drv_init created at: [ 147.489446][ T1987] r871xu_drv_init+0x189d/0x2fe0 [ 147.489446][ T1987] r871xu_drv_init+0x189d/0x2fe0 [ 147.489446][ T1987] ===================================================== [ 147.729820][ T1987] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 147.737602][ T1987] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 147.756912][ T1987] usb 1-1: USB disconnect, device number 2 [ 147.777773][ T7] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 147.787232][ T7] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 147.853488][ T7] usb 1-1: r8712u: Firmware request failed [ 148.222544][ T1987] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 148.482516][ T1987] usb 1-1: Using ep0 maxpacket: 32 [ 148.622715][ T1987] usb 1-1: config 0 interface 0 altsetting 4 has an invalid endpoint with address 0x0, skipping [ 148.635073][ T1987] usb 1-1: config 0 interface 0 has no altsetting 0 [ 148.812713][ T1987] usb 1-1: New USB device found, idVendor=0bda, idProduct=8192, bcdDevice=f7.44 [ 148.823958][ T1987] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 148.833303][ T1987] usb 1-1: Product: syz [ 148.837911][ T1987] usb 1-1: Manufacturer: syz [ 148.843216][ T1987] usb 1-1: SerialNumber: syz [ 148.850913][ T1987] usb 1-1: config 0 descriptor?? executing program [ 149.140126][ T1987] r8712u: register rtl8712_netdev_ops to netdev_ops [ 149.147684][ T1987] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 149.203901][ T1987] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 149.212251][ C0] ===================================================== [ 149.212251][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 149.212251][ C0] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.212251][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.212251][ C0] Workqueue: usb_hub_wq hub_event [ 149.212251][ C0] Call Trace: [ 149.212251][ C0] dump_stack+0x24c/0x2e0 [ 149.212251][ C0] kmsan_report+0xfb/0x1e0 [ 149.212251][ C0] __msan_warning+0x5c/0xa0 [ 149.212251][ C0] string+0x573/0x6d0 [ 149.212251][ C0] vsnprintf+0x1acd/0x3600 [ 149.212251][ C0] pointer+0x1cbb/0x1ea0 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] vsnprintf+0x15f2/0x3600 [ 149.212251][ C0] vprintk_store+0x2ab/0x1df0 [ 149.212251][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.212251][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 149.212251][ C0] ? __printk_safe_enter+0xe/0x30 [ 149.212251][ C0] vprintk_emit+0x28e/0x8b0 [ 149.212251][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 149.212251][ C0] dev_printk_emit+0x1ce/0x210 [ 149.212251][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] __dev_printk+0x3dc/0x458 [ 149.212251][ C0] _dev_info+0x1e5/0x22a [ 149.212251][ C0] ? usb_read8+0xe7/0x130 [ 149.212251][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 149.212251][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 149.212251][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 149.212251][ C0] ? r871x_dev_unload+0x310/0x310 [ 149.212251][ C0] usb_probe_interface+0xfcc/0x1520 [ 149.212251][ C0] ? usb_register_driver+0x900/0x900 [ 149.212251][ C0] really_probe+0xe15/0x24d0 [ 149.212251][ C0] driver_probe_device+0x29d/0x3a0 [ 149.212251][ C0] __device_attach_driver+0x63f/0x830 [ 149.212251][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 149.212251][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 149.212251][ C0] __device_attach+0x56a/0x890 [ 149.212251][ C0] device_initial_probe+0x4a/0x60 [ 149.212251][ C0] bus_probe_device+0x17e/0x3d0 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] device_add+0x2c15/0x31d0 [ 149.212251][ C0] usb_set_configuration+0x3872/0x3eb0 [ 149.212251][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 149.212251][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 149.212251][ C0] usb_generic_driver_probe+0x138/0x300 [ 149.212251][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 149.212251][ C0] usb_probe_device+0x317/0x570 [ 149.212251][ C0] ? usb_register_device_driver+0x590/0x590 [ 149.212251][ C0] really_probe+0xe15/0x24d0 [ 149.212251][ C0] driver_probe_device+0x29d/0x3a0 [ 149.212251][ C0] __device_attach_driver+0x63f/0x830 [ 149.212251][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 149.212251][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 149.212251][ C0] __device_attach+0x56a/0x890 [ 149.212251][ C0] device_initial_probe+0x4a/0x60 [ 149.212251][ C0] bus_probe_device+0x17e/0x3d0 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] device_add+0x2c15/0x31d0 [ 149.212251][ C0] usb_new_device+0x1bd4/0x2a30 [ 149.212251][ C0] hub_event+0x5b99/0x8870 [ 149.212251][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] ? led_work+0x780/0x780 [ 149.212251][ C0] process_one_work+0x1219/0x1fe0 [ 149.212251][ C0] worker_thread+0x12bc/0x2340 [ 149.212251][ C0] kthread+0x521/0x560 [ 149.212251][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 149.212251][ C0] ? kthread_blkcg+0x110/0x110 [ 149.212251][ C0] ret_from_fork+0x1f/0x30 [ 149.212251][ C0] [ 149.212251][ C0] Local variable ----data@usb_read8 created at: [ 149.212251][ C0] usb_read8+0x5d/0x130 [ 149.212251][ C0] usb_read8+0x5d/0x130 [ 149.212251][ C0] ===================================================== [ 149.212251][ C0] ===================================================== [ 149.212251][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 149.212251][ C0] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.212251][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.212251][ C0] Workqueue: usb_hub_wq hub_event [ 149.212251][ C0] Call Trace: [ 149.212251][ C0] dump_stack+0x24c/0x2e0 [ 149.212251][ C0] kmsan_report+0xfb/0x1e0 [ 149.212251][ C0] __msan_warning+0x5c/0xa0 [ 149.212251][ C0] string+0x573/0x6d0 [ 149.212251][ C0] vsnprintf+0x1acd/0x3600 [ 149.212251][ C0] pointer+0x1cbb/0x1ea0 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] vsnprintf+0x15f2/0x3600 [ 149.212251][ C0] vprintk_store+0x2ab/0x1df0 [ 149.212251][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.212251][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 149.212251][ C0] ? __printk_safe_enter+0xe/0x30 [ 149.212251][ C0] vprintk_emit+0x28e/0x8b0 [ 149.212251][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 149.212251][ C0] dev_printk_emit+0x1ce/0x210 [ 149.212251][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] __dev_printk+0x3dc/0x458 [ 149.212251][ C0] _dev_info+0x1e5/0x22a [ 149.212251][ C0] ? usb_read8+0xe7/0x130 [ 149.212251][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 149.212251][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 149.212251][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 149.212251][ C0] ? r871x_dev_unload+0x310/0x310 [ 149.212251][ C0] usb_probe_interface+0xfcc/0x1520 [ 149.212251][ C0] ? usb_register_driver+0x900/0x900 [ 149.212251][ C0] really_probe+0xe15/0x24d0 [ 149.212251][ C0] driver_probe_device+0x29d/0x3a0 [ 149.212251][ C0] __device_attach_driver+0x63f/0x830 [ 149.212251][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 149.212251][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 149.212251][ C0] __device_attach+0x56a/0x890 [ 149.212251][ C0] device_initial_probe+0x4a/0x60 [ 149.212251][ C0] bus_probe_device+0x17e/0x3d0 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] device_add+0x2c15/0x31d0 [ 149.212251][ C0] usb_set_configuration+0x3872/0x3eb0 [ 149.212251][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 149.212251][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 149.212251][ C0] usb_generic_driver_probe+0x138/0x300 [ 149.212251][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 149.212251][ C0] usb_probe_device+0x317/0x570 [ 149.212251][ C0] ? usb_register_device_driver+0x590/0x590 [ 149.212251][ C0] really_probe+0xe15/0x24d0 [ 149.212251][ C0] driver_probe_device+0x29d/0x3a0 [ 149.212251][ C0] __device_attach_driver+0x63f/0x830 [ 149.212251][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 149.212251][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 149.212251][ C0] __device_attach+0x56a/0x890 [ 149.212251][ C0] device_initial_probe+0x4a/0x60 [ 149.212251][ C0] bus_probe_device+0x17e/0x3d0 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] device_add+0x2c15/0x31d0 [ 149.212251][ C0] usb_new_device+0x1bd4/0x2a30 [ 149.212251][ C0] hub_event+0x5b99/0x8870 [ 149.212251][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] ? led_work+0x780/0x780 [ 149.212251][ C0] process_one_work+0x1219/0x1fe0 [ 149.212251][ C0] worker_thread+0x12bc/0x2340 [ 149.212251][ C0] kthread+0x521/0x560 [ 149.212251][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 149.212251][ C0] ? kthread_blkcg+0x110/0x110 [ 149.212251][ C0] ret_from_fork+0x1f/0x30 [ 149.212251][ C0] [ 149.212251][ C0] Local variable ----data@usb_read8 created at: [ 149.212251][ C0] usb_read8+0x5d/0x130 [ 149.212251][ C0] usb_read8+0x5d/0x130 [ 149.212251][ C0] ===================================================== [ 149.212251][ C0] ===================================================== [ 149.212251][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 149.212251][ C0] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.212251][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.212251][ C0] Workqueue: usb_hub_wq hub_event [ 149.212251][ C0] Call Trace: [ 149.212251][ C0] dump_stack+0x24c/0x2e0 [ 149.212251][ C0] kmsan_report+0xfb/0x1e0 [ 149.212251][ C0] __msan_warning+0x5c/0xa0 [ 149.212251][ C0] string+0x573/0x6d0 [ 149.212251][ C0] vsnprintf+0x1acd/0x3600 [ 149.212251][ C0] pointer+0x1cbb/0x1ea0 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] vsnprintf+0x15f2/0x3600 [ 149.212251][ C0] vprintk_store+0x2ab/0x1df0 [ 149.212251][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.212251][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 149.212251][ C0] ? __printk_safe_enter+0xe/0x30 [ 149.212251][ C0] vprintk_emit+0x28e/0x8b0 [ 149.212251][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 149.212251][ C0] dev_printk_emit+0x1ce/0x210 [ 149.212251][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] __dev_printk+0x3dc/0x458 [ 149.212251][ C0] _dev_info+0x1e5/0x22a [ 149.212251][ C0] ? usb_read8+0xe7/0x130 [ 149.212251][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 149.212251][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 149.212251][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 149.212251][ C0] ? r871x_dev_unload+0x310/0x310 [ 149.212251][ C0] usb_probe_interface+0xfcc/0x1520 [ 149.212251][ C0] ? usb_register_driver+0x900/0x900 [ 149.212251][ C0] really_probe+0xe15/0x24d0 [ 149.212251][ C0] driver_probe_device+0x29d/0x3a0 [ 149.212251][ C0] __device_attach_driver+0x63f/0x830 [ 149.212251][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 149.212251][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 149.212251][ C0] __device_attach+0x56a/0x890 [ 149.212251][ C0] device_initial_probe+0x4a/0x60 [ 149.212251][ C0] bus_probe_device+0x17e/0x3d0 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] device_add+0x2c15/0x31d0 [ 149.212251][ C0] usb_set_configuration+0x3872/0x3eb0 [ 149.212251][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 149.212251][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 149.212251][ C0] usb_generic_driver_probe+0x138/0x300 [ 149.212251][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 149.212251][ C0] usb_probe_device+0x317/0x570 [ 149.212251][ C0] ? usb_register_device_driver+0x590/0x590 [ 149.212251][ C0] really_probe+0xe15/0x24d0 [ 149.212251][ C0] driver_probe_device+0x29d/0x3a0 [ 149.212251][ C0] __device_attach_driver+0x63f/0x830 [ 149.212251][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 149.212251][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 149.212251][ C0] __device_attach+0x56a/0x890 [ 149.212251][ C0] device_initial_probe+0x4a/0x60 [ 149.212251][ C0] bus_probe_device+0x17e/0x3d0 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] device_add+0x2c15/0x31d0 [ 149.212251][ C0] usb_new_device+0x1bd4/0x2a30 [ 149.212251][ C0] hub_event+0x5b99/0x8870 [ 149.212251][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] ? led_work+0x780/0x780 [ 149.212251][ C0] process_one_work+0x1219/0x1fe0 [ 149.212251][ C0] worker_thread+0x12bc/0x2340 [ 149.212251][ C0] kthread+0x521/0x560 [ 149.212251][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 149.212251][ C0] ? kthread_blkcg+0x110/0x110 [ 149.212251][ C0] ret_from_fork+0x1f/0x30 [ 149.212251][ C0] [ 149.212251][ C0] Local variable ----data@usb_read8 created at: [ 149.212251][ C0] usb_read8+0x5d/0x130 [ 149.212251][ C0] usb_read8+0x5d/0x130 [ 149.212251][ C0] ===================================================== [ 149.212251][ C0] ===================================================== [ 149.212251][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 149.212251][ C0] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.212251][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.212251][ C0] Workqueue: usb_hub_wq hub_event [ 149.212251][ C0] Call Trace: [ 149.212251][ C0] dump_stack+0x24c/0x2e0 [ 149.212251][ C0] kmsan_report+0xfb/0x1e0 [ 149.212251][ C0] __msan_warning+0x5c/0xa0 [ 149.212251][ C0] string+0x573/0x6d0 [ 149.212251][ C0] vsnprintf+0x1acd/0x3600 [ 149.212251][ C0] pointer+0x1cbb/0x1ea0 [ 149.212251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.212251][ C0] vsnprintf+0x15f2/0x3600 [ 149.212251][ C0] vprintk_store+0x2ab/0x1df0 [ 149.212251][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.212251][ C0] ? __msan_ [ 149.212251][ C0] Lost 1730 message(s)! [ 150.604152][ T1987] ===================================================== [ 150.611956][ T1987] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 150.613550][ T1987] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.613550][ T1987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.613550][ T1987] Workqueue: usb_hub_wq hub_event [ 150.613550][ T1987] Call Trace: [ 150.613550][ T1987] dump_stack+0x24c/0x2e0 [ 150.613550][ T1987] kmsan_report+0xfb/0x1e0 [ 150.613550][ T1987] __msan_warning+0x5c/0xa0 [ 150.613550][ T1987] r871xu_drv_init+0x1a86/0x2fe0 [ 150.613550][ T1987] ? r871x_dev_unload+0x310/0x310 [ 150.613550][ T1987] usb_probe_interface+0xfcc/0x1520 [ 150.613550][ T1987] ? usb_register_driver+0x900/0x900 [ 150.613550][ T1987] really_probe+0xe15/0x24d0 [ 150.613550][ T1987] driver_probe_device+0x29d/0x3a0 [ 150.613550][ T1987] __device_attach_driver+0x63f/0x830 [ 150.613550][ T1987] bus_for_each_drv+0x2c8/0x3f0 [ 150.613550][ T1987] ? deferred_probe_work_func+0x4d0/0x4d0 [ 150.613550][ T1987] __device_attach+0x56a/0x890 [ 150.613550][ T1987] device_initial_probe+0x4a/0x60 [ 150.613550][ T1987] bus_probe_device+0x17e/0x3d0 [ 150.613550][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.613550][ T1987] device_add+0x2c15/0x31d0 [ 150.613550][ T1987] usb_set_configuration+0x3872/0x3eb0 [ 150.613550][ T1987] ? usb_set_configuration+0xae1/0x3eb0 [ 150.613550][ T1987] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 150.613550][ T1987] usb_generic_driver_probe+0x138/0x300 [ 150.613550][ T1987] ? usb_choose_configuration+0xee0/0xee0 [ 150.613550][ T1987] usb_probe_device+0x317/0x570 [ 150.613550][ T1987] ? usb_register_device_driver+0x590/0x590 [ 150.613550][ T1987] really_probe+0xe15/0x24d0 [ 150.613550][ T1987] driver_probe_device+0x29d/0x3a0 [ 150.613550][ T1987] __device_attach_driver+0x63f/0x830 [ 150.613550][ T1987] bus_for_each_drv+0x2c8/0x3f0 [ 150.613550][ T1987] ? deferred_probe_work_func+0x4d0/0x4d0 [ 150.613550][ T1987] __device_attach+0x56a/0x890 [ 150.613550][ T1987] device_initial_probe+0x4a/0x60 [ 150.613550][ T1987] bus_probe_device+0x17e/0x3d0 [ 150.613550][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.613550][ T1987] device_add+0x2c15/0x31d0 [ 150.613550][ T1987] usb_new_device+0x1bd4/0x2a30 [ 150.613550][ T1987] hub_event+0x5b99/0x8870 [ 150.613550][ T1987] ? kmsan_get_metadata+0x116/0x180 [ 150.613550][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.613550][ T1987] ? led_work+0x780/0x780 [ 150.613550][ T1987] process_one_work+0x1219/0x1fe0 [ 150.613550][ T1987] worker_thread+0x12bc/0x2340 [ 150.613550][ T1987] kthread+0x521/0x560 [ 150.613550][ T1987] ? process_one_work+0x1fe0/0x1fe0 [ 150.613550][ T1987] ? kthread_blkcg+0x110/0x110 [ 150.613550][ T1987] ret_from_fork+0x1f/0x30 [ 150.613550][ T1987] [ 150.613550][ T1987] Local variable ----data@usb_read8 created at: [ 150.613550][ T1987] usb_read8+0x5d/0x130 [ 150.613550][ T1987] usb_read8+0x5d/0x130 [ 150.613550][ T1987] ===================================================== [ 150.918307][ T1987] ===================================================== [ 150.925477][ T1987] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 150.930068][ T1987] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.930068][ T1987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.930068][ T1987] Workqueue: usb_hub_wq hub_event [ 150.930068][ T1987] Call Trace: [ 150.930068][ T1987] dump_stack+0x24c/0x2e0 [ 150.930068][ T1987] kmsan_report+0xfb/0x1e0 [ 150.930068][ T1987] __msan_warning+0x5c/0xa0 [ 150.930068][ T1987] r871xu_drv_init+0x2a38/0x2fe0 [ 150.979009][ T1987] ? r871x_dev_unload+0x310/0x310 [ 150.979009][ T1987] usb_probe_interface+0xfcc/0x1520 [ 150.979009][ T1987] ? usb_register_driver+0x900/0x900 [ 150.979009][ T1987] really_probe+0xe15/0x24d0 [ 150.979009][ T1987] driver_probe_device+0x29d/0x3a0 [ 150.979009][ T1987] __device_attach_driver+0x63f/0x830 [ 150.979009][ T1987] bus_for_each_drv+0x2c8/0x3f0 [ 150.979009][ T1987] ? deferred_probe_work_func+0x4d0/0x4d0 [ 150.979009][ T1987] __device_attach+0x56a/0x890 [ 150.979009][ T1987] device_initial_probe+0x4a/0x60 [ 150.979009][ T1987] bus_probe_device+0x17e/0x3d0 [ 150.979009][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.979009][ T1987] device_add+0x2c15/0x31d0 [ 150.979009][ T1987] usb_set_configuration+0x3872/0x3eb0 [ 150.979009][ T1987] ? usb_set_configuration+0xae1/0x3eb0 [ 150.979009][ T1987] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 150.979009][ T1987] usb_generic_driver_probe+0x138/0x300 [ 150.979009][ T1987] ? usb_choose_configuration+0xee0/0xee0 [ 150.979009][ T1987] usb_probe_device+0x317/0x570 [ 150.979009][ T1987] ? usb_register_device_driver+0x590/0x590 [ 150.979009][ T1987] really_probe+0xe15/0x24d0 [ 150.979009][ T1987] driver_probe_device+0x29d/0x3a0 [ 150.979009][ T1987] __device_attach_driver+0x63f/0x830 [ 150.979009][ T1987] bus_for_each_drv+0x2c8/0x3f0 [ 150.979009][ T1987] ? deferred_probe_work_func+0x4d0/0x4d0 [ 150.979009][ T1987] __device_attach+0x56a/0x890 [ 150.979009][ T1987] device_initial_probe+0x4a/0x60 [ 150.979009][ T1987] bus_probe_device+0x17e/0x3d0 [ 150.979009][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.979009][ T1987] device_add+0x2c15/0x31d0 [ 150.979009][ T1987] usb_new_device+0x1bd4/0x2a30 [ 150.979009][ T1987] hub_event+0x5b99/0x8870 [ 150.979009][ T1987] ? kmsan_get_metadata+0x116/0x180 [ 150.979009][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.979009][ T1987] ? led_work+0x780/0x780 [ 150.979009][ T1987] process_one_work+0x1219/0x1fe0 [ 150.979009][ T1987] worker_thread+0x12bc/0x2340 [ 150.979009][ T1987] kthread+0x521/0x560 [ 150.979009][ T1987] ? process_one_work+0x1fe0/0x1fe0 [ 150.979009][ T1987] ? kthread_blkcg+0x110/0x110 [ 150.979009][ T1987] ret_from_fork+0x1f/0x30 [ 150.979009][ T1987] [ 150.979009][ T1987] Local variable ----mac@r871xu_drv_init created at: [ 150.979009][ T1987] r871xu_drv_init+0x189d/0x2fe0 [ 150.979009][ T1987] r871xu_drv_init+0x189d/0x2fe0 [ 150.979009][ T1987] ===================================================== [ 151.243651][ T1987] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 151.251706][ T1987] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 151.266022][ T7] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 151.276139][ T7] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 151.287255][ T1987] usb 1-1: USB disconnect, device number 3 [ 151.316251][ T7] usb 1-1: r8712u: Firmware request failed [ 151.682594][ T1987] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 151.942465][ T1987] usb 1-1: Using ep0 maxpacket: 32 [ 152.062524][ T1987] usb 1-1: config 0 interface 0 altsetting 4 has an invalid endpoint with address 0x0, skipping [ 152.073736][ T1987] usb 1-1: config 0 interface 0 has no altsetting 0 [ 152.232800][ T1987] usb 1-1: New USB device found, idVendor=0bda, idProduct=8192, bcdDevice=f7.44 [ 152.243244][ T1987] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 152.251718][ T1987] usb 1-1: Product: syz [ 152.256307][ T1987] usb 1-1: Manufacturer: syz [ 152.261235][ T1987] usb 1-1: SerialNumber: syz [ 152.269951][ T1987] usb 1-1: config 0 descriptor?? executing program [ 152.559947][ T1987] r8712u: register rtl8712_netdev_ops to netdev_ops [ 152.567322][ T1987] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 152.622762][ T1987] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 152.632250][ C0] ===================================================== [ 152.632250][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 152.632250][ C0] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.632250][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.632250][ C0] Workqueue: usb_hub_wq hub_event [ 152.632250][ C0] Call Trace: [ 152.632250][ C0] dump_stack+0x24c/0x2e0 [ 152.632250][ C0] kmsan_report+0xfb/0x1e0 [ 152.632250][ C0] __msan_warning+0x5c/0xa0 [ 152.632250][ C0] string+0x573/0x6d0 [ 152.632250][ C0] vsnprintf+0x1acd/0x3600 [ 152.632250][ C0] pointer+0x1cbb/0x1ea0 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] vsnprintf+0x15f2/0x3600 [ 152.632250][ C0] vprintk_store+0x2ab/0x1df0 [ 152.632250][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.632250][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 152.632250][ C0] ? __printk_safe_enter+0xe/0x30 [ 152.632250][ C0] vprintk_emit+0x28e/0x8b0 [ 152.632250][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 152.632250][ C0] dev_printk_emit+0x1ce/0x210 [ 152.632250][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] __dev_printk+0x3dc/0x458 [ 152.632250][ C0] _dev_info+0x1e5/0x22a [ 152.632250][ C0] ? usb_read8+0xe7/0x130 [ 152.632250][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 152.632250][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 152.632250][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 152.632250][ C0] ? r871x_dev_unload+0x310/0x310 [ 152.632250][ C0] usb_probe_interface+0xfcc/0x1520 [ 152.632250][ C0] ? usb_register_driver+0x900/0x900 [ 152.632250][ C0] really_probe+0xe15/0x24d0 [ 152.632250][ C0] driver_probe_device+0x29d/0x3a0 [ 152.632250][ C0] __device_attach_driver+0x63f/0x830 [ 152.632250][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 152.632250][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 152.632250][ C0] __device_attach+0x56a/0x890 [ 152.632250][ C0] device_initial_probe+0x4a/0x60 [ 152.632250][ C0] bus_probe_device+0x17e/0x3d0 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] device_add+0x2c15/0x31d0 [ 152.632250][ C0] usb_set_configuration+0x3872/0x3eb0 [ 152.632250][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 152.632250][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 152.632250][ C0] usb_generic_driver_probe+0x138/0x300 [ 152.632250][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 152.632250][ C0] usb_probe_device+0x317/0x570 [ 152.632250][ C0] ? usb_register_device_driver+0x590/0x590 [ 152.632250][ C0] really_probe+0xe15/0x24d0 [ 152.632250][ C0] driver_probe_device+0x29d/0x3a0 [ 152.632250][ C0] __device_attach_driver+0x63f/0x830 [ 152.632250][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 152.632250][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 152.632250][ C0] __device_attach+0x56a/0x890 [ 152.632250][ C0] device_initial_probe+0x4a/0x60 [ 152.632250][ C0] bus_probe_device+0x17e/0x3d0 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] device_add+0x2c15/0x31d0 [ 152.632250][ C0] usb_new_device+0x1bd4/0x2a30 [ 152.632250][ C0] hub_event+0x5b99/0x8870 [ 152.632250][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.632250][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] ? led_work+0x780/0x780 [ 152.632250][ C0] process_one_work+0x1219/0x1fe0 [ 152.632250][ C0] worker_thread+0x12bc/0x2340 [ 152.632250][ C0] kthread+0x521/0x560 [ 152.632250][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 152.632250][ C0] ? kthread_blkcg+0x110/0x110 [ 152.632250][ C0] ret_from_fork+0x1f/0x30 [ 152.632250][ C0] [ 152.632250][ C0] Local variable ----data@usb_read8 created at: [ 152.632250][ C0] usb_read8+0x5d/0x130 [ 152.632250][ C0] usb_read8+0x5d/0x130 [ 152.632250][ C0] ===================================================== [ 152.632250][ C0] ===================================================== [ 152.632250][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 152.632250][ C0] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.632250][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.632250][ C0] Workqueue: usb_hub_wq hub_event [ 152.632250][ C0] Call Trace: [ 152.632250][ C0] dump_stack+0x24c/0x2e0 [ 152.632250][ C0] kmsan_report+0xfb/0x1e0 [ 152.632250][ C0] __msan_warning+0x5c/0xa0 [ 152.632250][ C0] string+0x573/0x6d0 [ 152.632250][ C0] vsnprintf+0x1acd/0x3600 [ 152.632250][ C0] pointer+0x1cbb/0x1ea0 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] vsnprintf+0x15f2/0x3600 [ 152.632250][ C0] vprintk_store+0x2ab/0x1df0 [ 152.632250][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.632250][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 152.632250][ C0] ? __printk_safe_enter+0xe/0x30 [ 152.632250][ C0] vprintk_emit+0x28e/0x8b0 [ 152.632250][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 152.632250][ C0] dev_printk_emit+0x1ce/0x210 [ 152.632250][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] __dev_printk+0x3dc/0x458 [ 152.632250][ C0] _dev_info+0x1e5/0x22a [ 152.632250][ C0] ? usb_read8+0xe7/0x130 [ 152.632250][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 152.632250][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 152.632250][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 152.632250][ C0] ? r871x_dev_unload+0x310/0x310 [ 152.632250][ C0] usb_probe_interface+0xfcc/0x1520 [ 152.632250][ C0] ? usb_register_driver+0x900/0x900 [ 152.632250][ C0] really_probe+0xe15/0x24d0 [ 152.632250][ C0] driver_probe_device+0x29d/0x3a0 [ 152.632250][ C0] __device_attach_driver+0x63f/0x830 [ 152.632250][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 152.632250][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 152.632250][ C0] __device_attach+0x56a/0x890 [ 152.632250][ C0] device_initial_probe+0x4a/0x60 [ 152.632250][ C0] bus_probe_device+0x17e/0x3d0 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] device_add+0x2c15/0x31d0 [ 152.632250][ C0] usb_set_configuration+0x3872/0x3eb0 [ 152.632250][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 152.632250][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 152.632250][ C0] usb_generic_driver_probe+0x138/0x300 [ 152.632250][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 152.632250][ C0] usb_probe_device+0x317/0x570 [ 152.632250][ C0] ? usb_register_device_driver+0x590/0x590 [ 152.632250][ C0] really_probe+0xe15/0x24d0 [ 152.632250][ C0] driver_probe_device+0x29d/0x3a0 [ 152.632250][ C0] __device_attach_driver+0x63f/0x830 [ 152.632250][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 152.632250][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 152.632250][ C0] __device_attach+0x56a/0x890 [ 152.632250][ C0] device_initial_probe+0x4a/0x60 [ 152.632250][ C0] bus_probe_device+0x17e/0x3d0 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] device_add+0x2c15/0x31d0 [ 152.632250][ C0] usb_new_device+0x1bd4/0x2a30 [ 152.632250][ C0] hub_event+0x5b99/0x8870 [ 152.632250][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.632250][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] ? led_work+0x780/0x780 [ 152.632250][ C0] process_one_work+0x1219/0x1fe0 [ 152.632250][ C0] worker_thread+0x12bc/0x2340 [ 152.632250][ C0] kthread+0x521/0x560 [ 152.632250][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 152.632250][ C0] ? kthread_blkcg+0x110/0x110 [ 152.632250][ C0] ret_from_fork+0x1f/0x30 [ 152.632250][ C0] [ 152.632250][ C0] Local variable ----data@usb_read8 created at: [ 152.632250][ C0] usb_read8+0x5d/0x130 [ 152.632250][ C0] usb_read8+0x5d/0x130 [ 152.632250][ C0] ===================================================== [ 152.632250][ C0] ===================================================== [ 152.632250][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 152.632250][ C0] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.632250][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.632250][ C0] Workqueue: usb_hub_wq hub_event [ 152.632250][ C0] Call Trace: [ 152.632250][ C0] dump_stack+0x24c/0x2e0 [ 152.632250][ C0] kmsan_report+0xfb/0x1e0 [ 152.632250][ C0] __msan_warning+0x5c/0xa0 [ 152.632250][ C0] string+0x573/0x6d0 [ 152.632250][ C0] vsnprintf+0x1acd/0x3600 [ 152.632250][ C0] pointer+0x1cbb/0x1ea0 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] vsnprintf+0x15f2/0x3600 [ 152.632250][ C0] vprintk_store+0x2ab/0x1df0 [ 152.632250][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.632250][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 152.632250][ C0] ? __printk_safe_enter+0xe/0x30 [ 152.632250][ C0] vprintk_emit+0x28e/0x8b0 [ 152.632250][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 152.632250][ C0] dev_printk_emit+0x1ce/0x210 [ 152.632250][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] __dev_printk+0x3dc/0x458 [ 152.632250][ C0] _dev_info+0x1e5/0x22a [ 152.632250][ C0] ? usb_read8+0xe7/0x130 [ 152.632250][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 152.632250][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 152.632250][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 152.632250][ C0] ? r871x_dev_unload+0x310/0x310 [ 152.632250][ C0] usb_probe_interface+0xfcc/0x1520 [ 152.632250][ C0] ? usb_register_driver+0x900/0x900 [ 152.632250][ C0] really_probe+0xe15/0x24d0 [ 152.632250][ C0] driver_probe_device+0x29d/0x3a0 [ 152.632250][ C0] __device_attach_driver+0x63f/0x830 [ 152.632250][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 152.632250][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 152.632250][ C0] __device_attach+0x56a/0x890 [ 152.632250][ C0] device_initial_probe+0x4a/0x60 [ 152.632250][ C0] bus_probe_device+0x17e/0x3d0 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] device_add+0x2c15/0x31d0 [ 152.632250][ C0] usb_set_configuration+0x3872/0x3eb0 [ 152.632250][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 152.632250][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 152.632250][ C0] usb_generic_driver_probe+0x138/0x300 [ 152.632250][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 152.632250][ C0] usb_probe_device+0x317/0x570 [ 152.632250][ C0] ? usb_register_device_driver+0x590/0x590 [ 152.632250][ C0] really_probe+0xe15/0x24d0 [ 152.632250][ C0] driver_probe_device+0x29d/0x3a0 [ 152.632250][ C0] __device_attach_driver+0x63f/0x830 [ 152.632250][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 152.632250][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 152.632250][ C0] __device_attach+0x56a/0x890 [ 152.632250][ C0] device_initial_probe+0x4a/0x60 [ 152.632250][ C0] bus_probe_device+0x17e/0x3d0 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] device_add+0x2c15/0x31d0 [ 152.632250][ C0] usb_new_device+0x1bd4/0x2a30 [ 152.632250][ C0] hub_event+0x5b99/0x8870 [ 152.632250][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.632250][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.632250][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.632250][ C0] ? led_work+0x780/0x780 [ 152.632250][ C0] process_one_work+0x1219/0x1fe0 [ 152.632250][ C0] worker_thread+0x12bc/0x2340 [ 152.632250][ C0] kthread+0x521/0x560 [ 152.632250][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 152.632250][ C0] ? kthread_blkcg+0x110/0x110 [ 152.632250][ C0] ret_from_fork+0x1f/0x30 [ 152.632250][ C0] [ 152.632250][ C0] Local variable ----data@usb_read8 created at: [ 152.632250][ C0] usb_read8+0x5d/0x130 [ 152.632250][ C0] usb_read8+0x5d/0x130 [ 152.642656][ C0] ===================================================== [ 152.642668][ C0] ===================================================== [ 152.642668][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 152.642668][ C0] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.642668][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.642668][ C0] Workqueue: usb_hub_wq hub_event [ 152.642668][ C0] Call Trace: [ 152.642668][ C0] dump_stack+0x24c/0x2e0 [ 152.642668][ C0] kmsan_report+0xfb/0x1e0 [ 152.642668][ C0] __msan_warning+0x5c/0xa0 [ 152.642668][ C0] string+0x573/0x6d0 [ 152.642668][ C0] vsnprintf+0x1acd/0x3600 [ 152.642668][ C0] pointer+0x1cbb/0x1ea0 [ 152.642668][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.642668][ C0] Lost 1757 message(s)! [ 154.058416][ T1987] ===================================================== [ 154.065400][ T1987] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 154.072660][ T1987] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 154.072660][ T1987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.072660][ T1987] Workqueue: usb_hub_wq hub_event [ 154.072660][ T1987] Call Trace: [ 154.072660][ T1987] dump_stack+0x24c/0x2e0 [ 154.072660][ T1987] kmsan_report+0xfb/0x1e0 [ 154.072660][ T1987] __msan_warning+0x5c/0xa0 [ 154.072660][ T1987] r871xu_drv_init+0x1a86/0x2fe0 [ 154.072660][ T1987] ? r871x_dev_unload+0x310/0x310 [ 154.072660][ T1987] usb_probe_interface+0xfcc/0x1520 [ 154.072660][ T1987] ? usb_register_driver+0x900/0x900 [ 154.072660][ T1987] really_probe+0xe15/0x24d0 [ 154.072660][ T1987] driver_probe_device+0x29d/0x3a0 [ 154.072660][ T1987] __device_attach_driver+0x63f/0x830 [ 154.072660][ T1987] bus_for_each_drv+0x2c8/0x3f0 [ 154.072660][ T1987] ? deferred_probe_work_func+0x4d0/0x4d0 [ 154.072660][ T1987] __device_attach+0x56a/0x890 [ 154.072660][ T1987] device_initial_probe+0x4a/0x60 [ 154.072660][ T1987] bus_probe_device+0x17e/0x3d0 [ 154.072660][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.072660][ T1987] device_add+0x2c15/0x31d0 [ 154.072660][ T1987] usb_set_configuration+0x3872/0x3eb0 [ 154.072660][ T1987] ? usb_set_configuration+0xae1/0x3eb0 [ 154.072660][ T1987] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 154.072660][ T1987] usb_generic_driver_probe+0x138/0x300 [ 154.072660][ T1987] ? usb_choose_configuration+0xee0/0xee0 [ 154.072660][ T1987] usb_probe_device+0x317/0x570 [ 154.072660][ T1987] ? usb_register_device_driver+0x590/0x590 [ 154.072660][ T1987] really_probe+0xe15/0x24d0 [ 154.072660][ T1987] driver_probe_device+0x29d/0x3a0 [ 154.072660][ T1987] __device_attach_driver+0x63f/0x830 [ 154.072660][ T1987] bus_for_each_drv+0x2c8/0x3f0 [ 154.072660][ T1987] ? deferred_probe_work_func+0x4d0/0x4d0 [ 154.072660][ T1987] __device_attach+0x56a/0x890 [ 154.072660][ T1987] device_initial_probe+0x4a/0x60 [ 154.072660][ T1987] bus_probe_device+0x17e/0x3d0 [ 154.072660][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.072660][ T1987] device_add+0x2c15/0x31d0 [ 154.072660][ T1987] usb_new_device+0x1bd4/0x2a30 [ 154.072660][ T1987] hub_event+0x5b99/0x8870 [ 154.072660][ T1987] ? kmsan_get_metadata+0x116/0x180 [ 154.072660][ T1987] ? kmsan_get_metadata+0x116/0x180 [ 154.072660][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.072660][ T1987] ? led_work+0x780/0x780 [ 154.072660][ T1987] process_one_work+0x1219/0x1fe0 [ 154.072660][ T1987] worker_thread+0x12bc/0x2340 [ 154.072660][ T1987] kthread+0x521/0x560 [ 154.072660][ T1987] ? process_one_work+0x1fe0/0x1fe0 [ 154.072660][ T1987] ? kthread_blkcg+0x110/0x110 [ 154.072660][ T1987] ret_from_fork+0x1f/0x30 [ 154.072660][ T1987] [ 154.072660][ T1987] Local variable ----data@usb_read8 created at: [ 154.072660][ T1987] usb_read8+0x5d/0x130 [ 154.072660][ T1987] usb_read8+0x5d/0x130 [ 154.072660][ T1987] ===================================================== [ 154.362473][ T1987] ===================================================== [ 154.369538][ T1987] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 154.372244][ T1987] CPU: 0 PID: 1987 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 154.372244][ T1987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.372244][ T1987] Workqueue: usb_hub_wq hub_event [ 154.372244][ T1987] Call Trace: [ 154.372244][ T1987] dump_stack+0x24c/0x2e0 [ 154.372244][ T1987] kmsan_report+0xfb/0x1e0 [ 154.372244][ T1987] __msan_warning+0x5c/0xa0 [ 154.372244][ T1987] r871xu_drv_init+0x2a38/0x2fe0 [ 154.372244][ T1987] ? r871x_dev_unload+0x310/0x310 [ 154.372244][ T1987] usb_probe_interface+0xfcc/0x1520 [ 154.372244][ T1987] ? usb_register_driver+0x900/0x900 [ 154.372244][ T1987] really_probe+0xe15/0x24d0 [ 154.372244][ T1987] driver_probe_device+0x29d/0x3a0 [ 154.372244][ T1987] __device_attach_driver+0x63f/0x830 [ 154.449234][ T1987] bus_for_each_drv+0x2c8/0x3f0 [ 154.449234][ T1987] ? deferred_probe_work_func+0x4d0/0x4d0 [ 154.449234][ T1987] __device_attach+0x56a/0x890 [ 154.449234][ T1987] device_initial_probe+0x4a/0x60 [ 154.449234][ T1987] bus_probe_device+0x17e/0x3d0 [ 154.449234][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.449234][ T1987] device_add+0x2c15/0x31d0 [ 154.449234][ T1987] usb_set_configuration+0x3872/0x3eb0 [ 154.449234][ T1987] ? usb_set_configuration+0xae1/0x3eb0 [ 154.449234][ T1987] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 154.449234][ T1987] usb_generic_driver_probe+0x138/0x300 [ 154.449234][ T1987] ? usb_choose_configuration+0xee0/0xee0 [ 154.449234][ T1987] usb_probe_device+0x317/0x570 [ 154.449234][ T1987] ? usb_register_device_driver+0x590/0x590 [ 154.449234][ T1987] really_probe+0xe15/0x24d0 [ 154.449234][ T1987] driver_probe_device+0x29d/0x3a0 [ 154.449234][ T1987] __device_attach_driver+0x63f/0x830 [ 154.449234][ T1987] bus_for_each_drv+0x2c8/0x3f0 [ 154.449234][ T1987] ? deferred_probe_work_func+0x4d0/0x4d0 [ 154.449234][ T1987] __device_attach+0x56a/0x890 [ 154.449234][ T1987] device_initial_probe+0x4a/0x60 [ 154.449234][ T1987] bus_probe_device+0x17e/0x3d0 [ 154.449234][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.449234][ T1987] device_add+0x2c15/0x31d0 [ 154.449234][ T1987] usb_new_device+0x1bd4/0x2a30 [ 154.449234][ T1987] hub_event+0x5b99/0x8870 [ 154.449234][ T1987] ? kmsan_get_metadata+0x116/0x180 [ 154.449234][ T1987] ? kmsan_get_metadata+0x116/0x180 [ 154.449234][ T1987] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.449234][ T1987] ? led_work+0x780/0x780 [ 154.449234][ T1987] process_one_work+0x1219/0x1fe0 [ 154.449234][ T1987] worker_thread+0x12bc/0x2340 [ 154.449234][ T1987] kthread+0x521/0x560 [ 154.449234][ T1987] ? process_one_work+0x1fe0/0x1fe0 [ 154.449234][ T1987] ? kthread_blkcg+0x110/0x110 [ 154.449234][ T1987] ret_from_fork+0x1f/0x30 [ 154.449234][ T1987] [ 154.449234][ T1987] Local variable ----mac@r871xu_drv_init created at: [ 154.449234][ T1987] r871xu_drv_init+0x189d/0x2fe0 [ 154.449234][ T1987] r871xu_drv_init+0x189d/0x2fe0 [ 154.449234][ T1987] ===================================================== [ 154.668407][ T1987] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 154.676180][ T1987] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 154.688344][ T7] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 154.697712][ T7] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 154.708034][ T1987] usb 1-1: USB disconnect, device number 4 [ 154.736225][ T7] usb 1-1: r8712u: Firmware request failed [ 155.102498][ T1987] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 155.342489][ T1987] usb 1-1: Using ep0 maxpacket: 32 [ 155.462819][ T1987] usb 1-1: config 0 interface 0 altsetting 4 has an invalid endpoint with address 0x0, skipping [ 155.473615][ T1987] usb 1-1: config 0 interface 0 has no altsetting 0 [ 155.632808][ T1987] usb 1-1: New USB device found, idVendor=0bda, idProduct=8192, bcdDevice=f7.44 [ 155.642045][ T1987] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 155.650422][ T1987] usb 1-1: Product: syz [ 155.654864][ T1987] usb 1-1: Manufacturer: syz [ 155.659605][ T1987] usb 1-1: SerialNumber: syz [ 155.667909][ T1987] usb 1-1: config 0 descriptor??