[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.150' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 137.012904][ T1980] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 137.372935][ T1980] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xD has invalid wMaxPacketSize 0 [ 137.382789][ T1980] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xF has invalid wMaxPacketSize 0 [ 137.553119][ T1980] usb 1-1: New USB device found, idVendor=25d4, idProduct=4cab, bcdDevice=4f.81 [ 137.562636][ T1980] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 137.570840][ T1980] usb 1-1: Product: syz [ 137.575195][ T1980] usb 1-1: Manufacturer: syz [ 137.579915][ T1980] usb 1-1: SerialNumber: syz [ 137.587837][ T1980] usb 1-1: config 0 descriptor?? [ 137.649836][ T1980] r8712u: register rtl8712_netdev_ops to netdev_ops [ 137.657058][ T1980] usb 1-1: r8712u: USB_SPEED_HIGH with 2 endpoints [ 137.762834][ T1980] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 137.768121][ C0] ===================================================== [ 137.768150][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.768172][ C0] CPU: 0 PID: 1980 Comm: kworker/0:2 Not tainted 5.12.0-rc6-syzkaller #0 [ 137.768197][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.768221][ C0] Workqueue: usb_hub_wq hub_event [ 137.768250][ C0] Call Trace: [ 137.768267][ C0] dump_stack+0x24c/0x2e0 [ 137.768281][ C0] kmsan_report+0xfb/0x1e0 [ 137.768296][ C0] __msan_warning+0x5c/0xa0 [ 137.768311][ C0] string+0x573/0x6d0 [ 137.768325][ C0] vsnprintf+0x1acd/0x3600 [ 137.768339][ C0] pointer+0x1cbb/0x1ea0 [ 137.768355][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.768372][ C0] vsnprintf+0x15f2/0x3600 [ 137.768387][ C0] vprintk_store+0x2ab/0x1df0 [ 137.768403][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.768420][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 137.768437][ C0] ? __printk_safe_enter+0xe/0x30 [ 137.768452][ C0] vprintk_emit+0x28e/0x8b0 [ 137.768467][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 137.768483][ C0] dev_printk_emit+0x1ce/0x210 [ 137.768498][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.768516][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.768533][ C0] __dev_printk+0x3dc/0x458 [ 137.768547][ C0] _dev_info+0x1e5/0x22a [ 137.768562][ C0] ? usb_read8+0xe7/0x130 [ 137.768576][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.768593][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.768610][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 137.768625][ C0] ? r871x_dev_unload+0x310/0x310 [ 137.768641][ C0] usb_probe_interface+0xfcc/0x1520 [ 137.768658][ C0] ? usb_register_driver+0x900/0x900 [ 137.768674][ C0] really_probe+0xe15/0x24d0 [ 137.768689][ C0] driver_probe_device+0x29d/0x3a0 [ 137.768705][ C0] __device_attach_driver+0x63f/0x830 [ 137.768721][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.768737][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 137.768754][ C0] __device_attach+0x56a/0x890 [ 137.768770][ C0] device_initial_probe+0x4a/0x60 [ 137.768786][ C0] bus_probe_device+0x17e/0x3d0 [ 137.768801][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.768818][ C0] device_add+0x2c15/0x31d0 [ 137.768834][ C0] usb_set_configuration+0x3872/0x3eb0 [ 137.768859][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 137.768877][ C0] usb_generic_driver_probe+0x138/0x300 [ 137.768894][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 137.768910][ C0] usb_probe_device+0x317/0x570 [ 137.768926][ C0] ? usb_register_device_driver+0x590/0x590 [ 137.768943][ C0] really_probe+0xe15/0x24d0 [ 137.768958][ C0] driver_probe_device+0x29d/0x3a0 [ 137.768974][ C0] __device_attach_driver+0x63f/0x830 [ 137.768990][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.769006][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 137.769023][ C0] __device_attach+0x56a/0x890 [ 137.769038][ C0] device_initial_probe+0x4a/0x60 [ 137.769054][ C0] bus_probe_device+0x17e/0x3d0 [ 137.769070][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.769087][ C0] device_add+0x2c15/0x31d0 [ 137.769102][ C0] usb_new_device+0x1bd4/0x2a30 [ 137.769117][ C0] hub_event+0x5b99/0x8870 [ 137.769132][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.769149][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.769166][ C0] ? led_work+0x780/0x780 [ 137.769181][ C0] process_one_work+0x1219/0x1fe0 [ 137.769196][ C0] worker_thread+0x10ec/0x2340 [ 137.769212][ C0] kthread+0x521/0x560 [ 137.769226][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 137.769242][ C0] ? kthread_blkcg+0x110/0x110 [ 137.769261][ C0] ret_from_fork+0x1f/0x30 [ 137.769274][ C0] [ 137.769287][ C0] Local variable ----data@usb_read8 created at: [ 137.769305][ C0] usb_read8+0x5d/0x130 [ 137.769320][ C0] usb_read8+0x5d/0x130 [ 137.769336][ C0] ===================================================== [ 137.769356][ C0] Disabling lock debugging due to kernel taint [ 137.769376][ C0] ===================================================== [ 137.769396][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.769417][ C0] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 137.769443][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.769466][ C0] Workqueue: usb_hub_wq hub_event [ 137.769492][ C0] Call Trace: [ 137.769505][ C0] dump_stack+0x24c/0x2e0 [ 137.769519][ C0] kmsan_report+0xfb/0x1e0 [ 137.769534][ C0] __msan_warning+0x5c/0xa0 [ 137.769548][ C0] string+0x573/0x6d0 [ 137.769562][ C0] vsnprintf+0x1acd/0x3600 [ 137.769576][ C0] pointer+0x1cbb/0x1ea0 [ 137.769592][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.769608][ C0] vsnprintf+0x15f2/0x3600 [ 137.769623][ C0] vprintk_store+0x2ab/0x1df0 [ 137.769639][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.769657][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 137.769674][ C0] ? __printk_safe_enter+0xe/0x30 [ 137.769689][ C0] vprintk_emit+0x28e/0x8b0 [ 137.769704][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 137.769720][ C0] dev_printk_emit+0x1ce/0x210 [ 137.769736][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.769753][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.769770][ C0] __dev_printk+0x3dc/0x458 [ 137.769784][ C0] _dev_info+0x1e5/0x22a [ 137.769798][ C0] ? usb_read8+0xe7/0x130 [ 137.769813][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.769829][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.769846][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 137.769862][ C0] ? r871x_dev_unload+0x310/0x310 [ 137.769878][ C0] usb_probe_interface+0xfcc/0x1520 [ 137.769894][ C0] ? usb_register_driver+0x900/0x900 [ 137.769910][ C0] really_probe+0xe15/0x24d0 [ 137.769925][ C0] driver_probe_device+0x29d/0x3a0 [ 137.769941][ C0] __device_attach_driver+0x63f/0x830 [ 137.769957][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.769973][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 137.769990][ C0] __device_attach+0x56a/0x890 [ 137.770005][ C0] device_initial_probe+0x4a/0x60 [ 137.770021][ C0] bus_probe_device+0x17e/0x3d0 [ 137.770037][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.770054][ C0] device_add+0x2c15/0x31d0 [ 137.770069][ C0] usb_set_configuration+0x3872/0x3eb0 [ 137.770086][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 137.770102][ C0] usb_generic_driver_probe+0x138/0x300 [ 137.770120][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 137.770136][ C0] usb_probe_device+0x317/0x570 [ 137.770152][ C0] ? usb_register_device_driver+0x590/0x590 [ 137.770168][ C0] really_probe+0xe15/0x24d0 [ 137.770183][ C0] driver_probe_device+0x29d/0x3a0 [ 137.770200][ C0] __device_attach_driver+0x63f/0x830 [ 137.770216][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.770232][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 137.770248][ C0] __device_attach+0x56a/0x890 [ 137.770268][ C0] device_initial_probe+0x4a/0x60 [ 137.770284][ C0] bus_probe_device+0x17e/0x3d0 [ 137.770300][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.770316][ C0] device_add+0x2c15/0x31d0 [ 137.770331][ C0] usb_new_device+0x1bd4/0x2a30 [ 137.770346][ C0] hub_event+0x5b99/0x8870 [ 137.770361][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.770377][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.770394][ C0] ? led_work+0x780/0x780 [ 137.770408][ C0] process_one_work+0x1219/0x1fe0 [ 137.770424][ C0] worker_thread+0x10ec/0x2340 [ 137.770438][ C0] kthread+0x521/0x560 [ 137.770453][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 137.770468][ C0] ? kthread_blkcg+0x110/0x110 [ 137.770483][ C0] ret_from_fork+0x1f/0x30 [ 137.770496][ C0] [ 137.770509][ C0] Local variable ----data@usb_read8 created at: [ 137.770527][ C0] usb_read8+0x5d/0x130 [ 137.770542][ C0] usb_read8+0x5d/0x130 [ 137.770558][ C0] ===================================================== [ 137.770579][ C0] ===================================================== [ 137.770599][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.770620][ C0] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 137.770645][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.770668][ C0] Workqueue: usb_hub_wq hub_event [ 137.770694][ C0] Call Trace: [ 137.770707][ C0] dump_stack+0x24c/0x2e0 [ 137.770721][ C0] kmsan_report+0xfb/0x1e0 [ 137.770736][ C0] __msan_warning+0x5c/0xa0 [ 137.770750][ C0] string+0x573/0x6d0 [ 137.770764][ C0] vsnprintf+0x1acd/0x3600 [ 137.770778][ C0] pointer+0x1cbb/0x1ea0 [ 137.770793][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.770810][ C0] vsnprintf+0x15f2/0x3600 [ 137.770824][ C0] vprintk_store+0x2ab/0x1df0 [ 137.770840][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.770857][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 137.770874][ C0] ? __printk_safe_enter+0xe/0x30 [ 137.770893][ C0] vprintk_emit+0x28e/0x8b0 [ 137.770908][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 137.770924][ C0] dev_printk_emit+0x1ce/0x210 [ 137.770939][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.770956][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.770973][ C0] __dev_printk+0x3dc/0x458 [ 137.770988][ C0] _dev_info+0x1e5/0x22a [ 137.771002][ C0] ? usb_read8+0xe7/0x130 [ 137.771016][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.771033][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.771049][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 137.771065][ C0] ? r871x_dev_unload+0x310/0x310 [ 137.771081][ C0] usb_probe_interface+0xfcc/0x1520 [ 137.771097][ C0] ? usb_register_driver+0x900/0x900 [ 137.771113][ C0] really_probe+0xe15/0x24d0 [ 137.771128][ C0] driver_probe_device+0x29d/0x3a0 [ 137.771144][ C0] __device_attach_driver+0x63f/0x830 [ 137.771160][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.771176][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 137.771192][ C0] __device_attach+0x56a/0x890 [ 137.771208][ C0] device_initial_probe+0x4a/0x60 [ 137.771224][ C0] bus_probe_device+0x17e/0x3d0 [ 137.771240][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.771260][ C0] device_add+0x2c15/0x31d0 [ 137.771275][ C0] usb_set_configuration+0x3872/0x3eb0 [ 137.771291][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 137.771309][ C0] usb_generic_driver_probe+0x138/0x300 [ 137.771326][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 137.771342][ C0] usb_probe_device+0x317/0x570 [ 137.771358][ C0] ? usb_register_device_driver+0x590/0x590 [ 137.771375][ C0] really_probe+0xe15/0x24d0 [ 137.771390][ C0] driver_probe_device+0x29d/0x3a0 [ 137.771406][ C0] __device_attach_driver+0x63f/0x830 [ 137.771423][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.771438][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 137.771455][ C0] __device_attach+0x56a/0x890 [ 137.771470][ C0] device_initial_probe+0x4a/0x60 [ 137.771486][ C0] bus_probe_device+0x17e/0x3d0 [ 137.771502][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.771518][ C0] device_add+0x2c15/0x31d0 [ 137.771533][ C0] usb_new_device+0x1bd4/0x2a30 [ 137.771548][ C0] hub_event+0x5b99/0x8870 [ 137.771563][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.771579][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.771596][ C0] ? led_work+0x780/0x780 [ 137.771611][ C0] process_one_work+0x1219/0x1fe0 [ 137.771626][ C0] worker_thread+0x10ec/0x2340 [ 137.771641][ C0] kthread+0x521/0x560 [ 137.771656][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 137.771672][ C0] ? kthread_blkcg+0x110/0x110 [ 137.771686][ C0] ret_from_fork+0x1f/0x30 [ 137.771700][ C0] [ 137.771713][ C0] Local variable ----data@usb_read8 created at: [ 137.771731][ C0] usb_read8+0x5d/0x130 [ 137.771745][ C0] usb_read8+0x5d/0x130 [ 137.771762][ C0] ===================================================== [ 137.771782][ C0] ===================================================== [ 137.771802][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.771824][ C0] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 137.771850][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.771873][ C0] Workqueue: usb_hub_wq hub_event [ 137.771899][ C0] Call Trace: [ 137.771912][ C0] dump_stack+0x24c/0x2e0 [ 137.771926][ C0] kmsan_report+0xfb/0x1e0 [ 137.771940][ C0] __msan_warning+0x5c/0xa0 [ 137.771955][ C0] string+0x573/0x6d0 [ 137.771968][ C0] vsnprintf+0x1acd/0x3600 [ 137.771983][ C0] pointer+0x1cbb/0x1ea0 [ 137.772002][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.772019][ C0] vsnprintf+0x15f2/0x3600 [ 137.772033][ C0] vprintk_store+0x2ab/0x1df0 [ 137.772049][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.772066][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 137.772083][ C0] ? __printk_safe_enter+0xe/0x30 [ 137.772099][ C0] vprintk_emit+0x28e/0x8b0 [ 137.772113][ C0] dev_vprint [ 137.772136][ C0] Lost 1704 message(s)! [ 139.050292][ T1980] ===================================================== [ 139.057229][ T1980] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 139.064552][ T1980] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 139.074373][ T1980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.084439][ T1980] Workqueue: usb_hub_wq hub_event [ 139.089487][ T1980] Call Trace: [ 139.092796][ T1980] dump_stack+0x24c/0x2e0 [ 139.097154][ T1980] kmsan_report+0xfb/0x1e0 [ 139.101593][ T1980] __msan_warning+0x5c/0xa0 [ 139.106111][ T1980] r871xu_drv_init+0x1a86/0x2fe0 [ 139.111600][ T1980] ? r871x_dev_unload+0x310/0x310 [ 139.116649][ T1980] usb_probe_interface+0xfcc/0x1520 [ 139.121882][ T1980] ? usb_register_driver+0x900/0x900 [ 139.127228][ T1980] really_probe+0xe15/0x24d0 [ 139.131896][ T1980] driver_probe_device+0x29d/0x3a0 [ 139.137044][ T1980] __device_attach_driver+0x63f/0x830 [ 139.142450][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 139.147322][ T1980] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.153061][ T1980] __device_attach+0x56a/0x890 [ 139.157862][ T1980] device_initial_probe+0x4a/0x60 [ 139.162902][ T1980] bus_probe_device+0x17e/0x3d0 [ 139.167775][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.173600][ T1980] device_add+0x2c15/0x31d0 [ 139.178131][ T1980] usb_set_configuration+0x3872/0x3eb0 [ 139.183617][ T1980] ? usb_set_configuration+0xae1/0x3eb0 [ 139.189227][ T1980] usb_generic_driver_probe+0x138/0x300 [ 139.194794][ T1980] ? usb_choose_configuration+0xee0/0xee0 [ 139.200662][ T1980] usb_probe_device+0x317/0x570 [ 139.205549][ T1980] ? usb_register_device_driver+0x590/0x590 [ 139.211470][ T1980] really_probe+0xe15/0x24d0 [ 139.216083][ T1980] driver_probe_device+0x29d/0x3a0 [ 139.221221][ T1980] __device_attach_driver+0x63f/0x830 [ 139.226608][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 139.231530][ T1980] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.237293][ T1980] __device_attach+0x56a/0x890 [ 139.242079][ T1980] device_initial_probe+0x4a/0x60 [ 139.247470][ T1980] bus_probe_device+0x17e/0x3d0 [ 139.252407][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.258290][ T1980] device_add+0x2c15/0x31d0 [ 139.262859][ T1980] usb_new_device+0x1bd4/0x2a30 [ 139.267738][ T1980] hub_event+0x5b99/0x8870 [ 139.272190][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 139.277405][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.283230][ T1980] ? led_work+0x780/0x780 [ 139.287575][ T1980] process_one_work+0x1219/0x1fe0 [ 139.292625][ T1980] worker_thread+0x10ec/0x2340 [ 139.297401][ T1980] kthread+0x521/0x560 [ 139.301472][ T1980] ? process_one_work+0x1fe0/0x1fe0 [ 139.306768][ T1980] ? kthread_blkcg+0x110/0x110 [ 139.311537][ T1980] ret_from_fork+0x1f/0x30 [ 139.315958][ T1980] [ 139.318271][ T1980] Local variable ----data@usb_read8 created at: [ 139.324492][ T1980] usb_read8+0x5d/0x130 [ 139.328647][ T1980] usb_read8+0x5d/0x130 [ 139.332800][ T1980] ===================================================== [ 139.340040][ T1980] ===================================================== [ 139.346980][ T1980] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 139.354298][ T1980] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 139.364140][ T1980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.374207][ T1980] Workqueue: usb_hub_wq hub_event executing program [ 139.379252][ T1980] Call Trace: [ 139.382537][ T1980] dump_stack+0x24c/0x2e0 [ 139.386893][ T1980] kmsan_report+0xfb/0x1e0 [ 139.391331][ T1980] __msan_warning+0x5c/0xa0 [ 139.395856][ T1980] r871xu_drv_init+0x2a38/0x2fe0 [ 139.400824][ T1980] ? r871x_dev_unload+0x310/0x310 [ 139.405872][ T1980] usb_probe_interface+0xfcc/0x1520 [ 139.411103][ T1980] ? usb_register_driver+0x900/0x900 [ 139.416412][ T1980] really_probe+0xe15/0x24d0 [ 139.421021][ T1980] driver_probe_device+0x29d/0x3a0 [ 139.426149][ T1980] __device_attach_driver+0x63f/0x830 [ 139.431544][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 139.436420][ T1980] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.442160][ T1980] __device_attach+0x56a/0x890 [ 139.446950][ T1980] device_initial_probe+0x4a/0x60 [ 139.451998][ T1980] bus_probe_device+0x17e/0x3d0 [ 139.456876][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.462699][ T1980] device_add+0x2c15/0x31d0 [ 139.467235][ T1980] usb_set_configuration+0x3872/0x3eb0 [ 139.472724][ T1980] ? usb_set_configuration+0xae1/0x3eb0 [ 139.478305][ T1980] usb_generic_driver_probe+0x138/0x300 [ 139.483873][ T1980] ? usb_choose_configuration+0xee0/0xee0 [ 139.489611][ T1980] usb_probe_device+0x317/0x570 [ 139.494488][ T1980] ? usb_register_device_driver+0x590/0x590 [ 139.500405][ T1980] really_probe+0xe15/0x24d0 [ 139.505013][ T1980] driver_probe_device+0x29d/0x3a0 [ 139.510144][ T1980] __device_attach_driver+0x63f/0x830 [ 139.515536][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 139.520411][ T1980] ? deferred_probe_work_func+0x4d0/0x4d0 [ 139.526150][ T1980] __device_attach+0x56a/0x890 [ 139.530937][ T1980] device_initial_probe+0x4a/0x60 [ 139.535979][ T1980] bus_probe_device+0x17e/0x3d0 [ 139.540857][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.546682][ T1980] device_add+0x2c15/0x31d0 [ 139.551215][ T1980] usb_new_device+0x1bd4/0x2a30 [ 139.556085][ T1980] hub_event+0x5b99/0x8870 [ 139.560530][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 139.565748][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.571579][ T1980] ? led_work+0x780/0x780 [ 139.575923][ T1980] process_one_work+0x1219/0x1fe0 [ 139.580979][ T1980] worker_thread+0x10ec/0x2340 [ 139.585793][ T1980] kthread+0x521/0x560 [ 139.589882][ T1980] ? process_one_work+0x1fe0/0x1fe0 [ 139.595109][ T1980] ? kthread_blkcg+0x110/0x110 [ 139.599897][ T1980] ret_from_fork+0x1f/0x30 [ 139.604331][ T1980] [ 139.606679][ T1980] Local variable ----mac@r871xu_drv_init created at: [ 139.613372][ T1980] r871xu_drv_init+0x189d/0x2fe0 [ 139.618307][ T1980] r871xu_drv_init+0x189d/0x2fe0 [ 139.623265][ T1980] ===================================================== [ 139.630481][ T1980] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 139.638177][ T1980] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 139.651817][ T1980] usb 1-1: USB disconnect, device number 2 [ 139.675853][ T7] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 139.685091][ T7] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 139.721190][ T7] usb 1-1: r8712u: Firmware request failed [ 140.082772][ T1980] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 140.442827][ T1980] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xD has invalid wMaxPacketSize 0 [ 140.452878][ T1980] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xF has invalid wMaxPacketSize 0 [ 140.622977][ T1980] usb 1-1: New USB device found, idVendor=25d4, idProduct=4cab, bcdDevice=4f.81 [ 140.632384][ T1980] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 140.640755][ T1980] usb 1-1: Product: syz [ 140.645161][ T1980] usb 1-1: Manufacturer: syz [ 140.649923][ T1980] usb 1-1: SerialNumber: syz [ 140.658359][ T1980] usb 1-1: config 0 descriptor?? [ 140.729657][ T1980] r8712u: register rtl8712_netdev_ops to netdev_ops [ 140.736917][ T1980] usb 1-1: r8712u: USB_SPEED_HIGH with 2 endpoints [ 140.863174][ T1980] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 140.869270][ C0] ===================================================== [ 140.869295][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.869316][ C0] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.869343][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.869367][ C0] Workqueue: usb_hub_wq hub_event [ 140.869396][ C0] Call Trace: [ 140.869409][ C0] dump_stack+0x24c/0x2e0 [ 140.869424][ C0] kmsan_report+0xfb/0x1e0 [ 140.869439][ C0] __msan_warning+0x5c/0xa0 [ 140.869454][ C0] string+0x573/0x6d0 [ 140.869468][ C0] vsnprintf+0x1acd/0x3600 [ 140.869483][ C0] pointer+0x1cbb/0x1ea0 [ 140.869499][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.869516][ C0] vsnprintf+0x15f2/0x3600 [ 140.869531][ C0] vprintk_store+0x2ab/0x1df0 [ 140.869547][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.869564][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 140.869582][ C0] ? __printk_safe_enter+0xe/0x30 [ 140.869598][ C0] vprintk_emit+0x28e/0x8b0 [ 140.869613][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 140.869628][ C0] dev_printk_emit+0x1ce/0x210 [ 140.869644][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.869661][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.869678][ C0] __dev_printk+0x3dc/0x458 [ 140.869693][ C0] _dev_info+0x1e5/0x22a [ 140.869707][ C0] ? usb_read8+0xe7/0x130 [ 140.869722][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.869738][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.869760][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 140.869776][ C0] ? r871x_dev_unload+0x310/0x310 [ 140.869791][ C0] usb_probe_interface+0xfcc/0x1520 [ 140.869807][ C0] ? usb_register_driver+0x900/0x900 [ 140.869823][ C0] really_probe+0xe15/0x24d0 [ 140.869839][ C0] driver_probe_device+0x29d/0x3a0 [ 140.869858][ C0] __device_attach_driver+0x63f/0x830 [ 140.869891][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.869923][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.869959][ C0] __device_attach+0x56a/0x890 [ 140.869993][ C0] device_initial_probe+0x4a/0x60 [ 140.870026][ C0] bus_probe_device+0x17e/0x3d0 [ 140.870050][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.870067][ C0] device_add+0x2c15/0x31d0 [ 140.870082][ C0] usb_set_configuration+0x3872/0x3eb0 [ 140.870099][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 140.870116][ C0] usb_generic_driver_probe+0x138/0x300 [ 140.870133][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 140.870150][ C0] usb_probe_device+0x317/0x570 [ 140.870166][ C0] ? usb_register_device_driver+0x590/0x590 [ 140.870184][ C0] really_probe+0xe15/0x24d0 [ 140.870199][ C0] driver_probe_device+0x29d/0x3a0 [ 140.870216][ C0] __device_attach_driver+0x63f/0x830 [ 140.870232][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.870248][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.870266][ C0] __device_attach+0x56a/0x890 [ 140.870281][ C0] device_initial_probe+0x4a/0x60 [ 140.870296][ C0] bus_probe_device+0x17e/0x3d0 [ 140.870313][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.870330][ C0] device_add+0x2c15/0x31d0 [ 140.870345][ C0] usb_new_device+0x1bd4/0x2a30 [ 140.870361][ C0] hub_event+0x5b99/0x8870 [ 140.870376][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.870393][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.870410][ C0] ? led_work+0x780/0x780 [ 140.870425][ C0] process_one_work+0x1219/0x1fe0 [ 140.870441][ C0] worker_thread+0x12bc/0x2340 [ 140.870456][ C0] kthread+0x521/0x560 [ 140.870473][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 140.870490][ C0] ? kthread_blkcg+0x110/0x110 [ 140.870504][ C0] ret_from_fork+0x1f/0x30 [ 140.870518][ C0] [ 140.870531][ C0] Local variable ----data@usb_read8 created at: [ 140.870550][ C0] usb_read8+0x5d/0x130 [ 140.870565][ C0] usb_read8+0x5d/0x130 [ 140.870581][ C0] ===================================================== [ 140.870602][ C0] ===================================================== [ 140.870623][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.870645][ C0] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.870671][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.870695][ C0] Workqueue: usb_hub_wq hub_event [ 140.870722][ C0] Call Trace: [ 140.870736][ C0] dump_stack+0x24c/0x2e0 [ 140.870750][ C0] kmsan_report+0xfb/0x1e0 [ 140.870769][ C0] __msan_warning+0x5c/0xa0 [ 140.870784][ C0] string+0x573/0x6d0 [ 140.870798][ C0] vsnprintf+0x1acd/0x3600 [ 140.870812][ C0] pointer+0x1cbb/0x1ea0 [ 140.870827][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.870844][ C0] vsnprintf+0x15f2/0x3600 [ 140.870858][ C0] vprintk_store+0x2ab/0x1df0 [ 140.870874][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.870891][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 140.870909][ C0] ? __printk_safe_enter+0xe/0x30 [ 140.870924][ C0] vprintk_emit+0x28e/0x8b0 [ 140.870939][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 140.870955][ C0] dev_printk_emit+0x1ce/0x210 [ 140.870970][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.870987][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.871004][ C0] __dev_printk+0x3dc/0x458 [ 140.871020][ C0] _dev_info+0x1e5/0x22a [ 140.871048][ C0] ? usb_read8+0xe7/0x130 [ 140.871079][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.871111][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.871146][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 140.871180][ C0] ? r871x_dev_unload+0x310/0x310 [ 140.871210][ C0] usb_probe_interface+0xfcc/0x1520 [ 140.871227][ C0] ? usb_register_driver+0x900/0x900 [ 140.871243][ C0] really_probe+0xe15/0x24d0 [ 140.871258][ C0] driver_probe_device+0x29d/0x3a0 [ 140.871274][ C0] __device_attach_driver+0x63f/0x830 [ 140.871290][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.871306][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.871323][ C0] __device_attach+0x56a/0x890 [ 140.871338][ C0] device_initial_probe+0x4a/0x60 [ 140.871354][ C0] bus_probe_device+0x17e/0x3d0 [ 140.871371][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.871388][ C0] device_add+0x2c15/0x31d0 [ 140.871403][ C0] usb_set_configuration+0x3872/0x3eb0 [ 140.871420][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 140.871437][ C0] usb_generic_driver_probe+0x138/0x300 [ 140.871454][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 140.871471][ C0] usb_probe_device+0x317/0x570 [ 140.871487][ C0] ? usb_register_device_driver+0x590/0x590 [ 140.871504][ C0] really_probe+0xe15/0x24d0 [ 140.871519][ C0] driver_probe_device+0x29d/0x3a0 [ 140.871536][ C0] __device_attach_driver+0x63f/0x830 [ 140.871552][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.871568][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.871585][ C0] __device_attach+0x56a/0x890 [ 140.871600][ C0] device_initial_probe+0x4a/0x60 [ 140.871616][ C0] bus_probe_device+0x17e/0x3d0 [ 140.871632][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.871649][ C0] device_add+0x2c15/0x31d0 [ 140.871664][ C0] usb_new_device+0x1bd4/0x2a30 [ 140.871679][ C0] hub_event+0x5b99/0x8870 [ 140.871694][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.871711][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.871727][ C0] ? led_work+0x780/0x780 [ 140.871742][ C0] process_one_work+0x1219/0x1fe0 [ 140.871763][ C0] worker_thread+0x12bc/0x2340 [ 140.871778][ C0] kthread+0x521/0x560 [ 140.871792][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 140.871808][ C0] ? kthread_blkcg+0x110/0x110 [ 140.871823][ C0] ret_from_fork+0x1f/0x30 [ 140.871837][ C0] [ 140.871849][ C0] Local variable ----data@usb_read8 created at: [ 140.871868][ C0] usb_read8+0x5d/0x130 [ 140.871882][ C0] usb_read8+0x5d/0x130 [ 140.871899][ C0] ===================================================== [ 140.871920][ C0] ===================================================== [ 140.871940][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.871962][ C0] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.871988][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.872011][ C0] Workqueue: usb_hub_wq hub_event [ 140.872038][ C0] Call Trace: [ 140.872051][ C0] dump_stack+0x24c/0x2e0 [ 140.872066][ C0] kmsan_report+0xfb/0x1e0 [ 140.872081][ C0] __msan_warning+0x5c/0xa0 [ 140.872095][ C0] string+0x573/0x6d0 [ 140.872109][ C0] vsnprintf+0x1acd/0x3600 [ 140.872123][ C0] pointer+0x1cbb/0x1ea0 [ 140.872138][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.872155][ C0] vsnprintf+0x15f2/0x3600 [ 140.872170][ C0] vprintk_store+0x2ab/0x1df0 [ 140.872188][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.872223][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 140.872259][ C0] ? __printk_safe_enter+0xe/0x30 [ 140.872292][ C0] vprintk_emit+0x28e/0x8b0 [ 140.872323][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 140.872356][ C0] dev_printk_emit+0x1ce/0x210 [ 140.872380][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.872397][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.872414][ C0] __dev_printk+0x3dc/0x458 [ 140.872428][ C0] _dev_info+0x1e5/0x22a [ 140.872443][ C0] ? usb_read8+0xe7/0x130 [ 140.872458][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.872483][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.872516][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 140.872545][ C0] ? r871x_dev_unload+0x310/0x310 [ 140.872578][ C0] usb_probe_interface+0xfcc/0x1520 [ 140.872612][ C0] ? usb_register_driver+0x900/0x900 [ 140.872646][ C0] really_probe+0xe15/0x24d0 [ 140.872663][ C0] driver_probe_device+0x29d/0x3a0 [ 140.872680][ C0] __device_attach_driver+0x63f/0x830 [ 140.872696][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.872712][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.872729][ C0] __device_attach+0x56a/0x890 [ 140.872745][ C0] device_initial_probe+0x4a/0x60 [ 140.872765][ C0] bus_probe_device+0x17e/0x3d0 [ 140.872781][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.872799][ C0] device_add+0x2c15/0x31d0 [ 140.872814][ C0] usb_set_configuration+0x3872/0x3eb0 [ 140.872831][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 140.872848][ C0] usb_generic_driver_probe+0x138/0x300 [ 140.872865][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 140.872882][ C0] usb_probe_device+0x317/0x570 [ 140.872899][ C0] ? usb_register_device_driver+0x590/0x590 [ 140.872916][ C0] really_probe+0xe15/0x24d0 [ 140.872931][ C0] driver_probe_device+0x29d/0x3a0 [ 140.872948][ C0] __device_attach_driver+0x63f/0x830 [ 140.872965][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.872981][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 140.872998][ C0] __device_attach+0x56a/0x890 [ 140.873014][ C0] device_initial_probe+0x4a/0x60 [ 140.873029][ C0] bus_probe_device+0x17e/0x3d0 [ 140.873045][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.873063][ C0] device_add+0x2c15/0x31d0 [ 140.873077][ C0] usb_new_device+0x1bd4/0x2a30 [ 140.873093][ C0] hub_event+0x5b99/0x8870 [ 140.873108][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.873124][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.873141][ C0] ? led_work+0x780/0x780 [ 140.873155][ C0] process_one_work+0x1219/0x1fe0 [ 140.873171][ C0] worker_thread+0x12bc/0x2340 [ 140.873186][ C0] kthread+0x521/0x560 [ 140.873202][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 140.873219][ C0] ? kthread_blkcg+0x110/0x110 [ 140.873234][ C0] ret_from_fork+0x1f/0x30 [ 140.873248][ C0] [ 140.873261][ C0] Local variable ----data@usb_read8 created at: [ 140.873279][ C0] usb_read8+0x5d/0x130 [ 140.873294][ C0] usb_read8+0x5d/0x130 [ 140.873311][ C0] ===================================================== [ 140.873331][ C0] ===================================================== [ 140.873351][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.873392][ C0] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 140.873449][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.873499][ C0] Workqueue: usb_hub_wq hub_event [ 140.873546][ C0] Call Trace: [ 140.873559][ C0] dump_stack+0x24c/0x2e0 [ 140.873573][ C0] kmsan_report+0xfb/0x1e0 [ 140.873588][ C0] __msan_warning+0x5c/0xa0 [ 140.873603][ C0] string+0x573/0x6d0 [ 140.873617][ C0] vsnprintf+0x1acd/0x3600 [ 140.873632][ C0] pointer+0x1cbb/0x1ea0 [ 140.873647][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.873665][ C0] vsnprintf+0x15f2/0x3600 [ 140.873680][ C0] vprintk_store+0x2ab/0x1df0 [ 140.873695][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.873713][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 140.873730][ C0] ? __printk_safe_enter+0xe/0x30 [ 140.873746][ C0] vprintk_emit+0x28e/0x8b0 [ 140.873766][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 140.873781][ C0] dev_printk_ [ 140.873805][ C0] Lost 1703 message(s)! [ 142.168365][ T1980] ===================================================== [ 142.175324][ T1980] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 142.182635][ T1980] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.192475][ T1980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.202566][ T1980] Workqueue: usb_hub_wq hub_event [ 142.207610][ T1980] Call Trace: [ 142.210896][ T1980] dump_stack+0x24c/0x2e0 [ 142.215249][ T1980] kmsan_report+0xfb/0x1e0 [ 142.219692][ T1980] __msan_warning+0x5c/0xa0 [ 142.224212][ T1980] r871xu_drv_init+0x1a86/0x2fe0 [ 142.229184][ T1980] ? r871x_dev_unload+0x310/0x310 [ 142.234246][ T1980] usb_probe_interface+0xfcc/0x1520 [ 142.239476][ T1980] ? usb_register_driver+0x900/0x900 [ 142.244766][ T1980] really_probe+0xe15/0x24d0 [ 142.249363][ T1980] driver_probe_device+0x29d/0x3a0 [ 142.254475][ T1980] __device_attach_driver+0x63f/0x830 [ 142.259852][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 142.264709][ T1980] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.270430][ T1980] __device_attach+0x56a/0x890 [ 142.275196][ T1980] device_initial_probe+0x4a/0x60 [ 142.284042][ T1980] bus_probe_device+0x17e/0x3d0 [ 142.288898][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.294705][ T1980] device_add+0x2c15/0x31d0 [ 142.299214][ T1980] usb_set_configuration+0x3872/0x3eb0 [ 142.304698][ T1980] ? usb_set_configuration+0xae1/0x3eb0 [ 142.310258][ T1980] usb_generic_driver_probe+0x138/0x300 [ 142.315808][ T1980] ? usb_choose_configuration+0xee0/0xee0 [ 142.321531][ T1980] usb_probe_device+0x317/0x570 [ 142.326386][ T1980] ? usb_register_device_driver+0x590/0x590 [ 142.332285][ T1980] really_probe+0xe15/0x24d0 [ 142.336897][ T1980] driver_probe_device+0x29d/0x3a0 [ 142.342039][ T1980] __device_attach_driver+0x63f/0x830 [ 142.347412][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 142.352269][ T1980] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.357991][ T1980] __device_attach+0x56a/0x890 [ 142.362757][ T1980] device_initial_probe+0x4a/0x60 [ 142.367781][ T1980] bus_probe_device+0x17e/0x3d0 [ 142.372637][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.378445][ T1980] device_add+0x2c15/0x31d0 [ 142.382956][ T1980] usb_new_device+0x1bd4/0x2a30 [ 142.387812][ T1980] hub_event+0x5b99/0x8870 [ 142.392236][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 142.397437][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.403244][ T1980] ? led_work+0x780/0x780 [ 142.407576][ T1980] process_one_work+0x1219/0x1fe0 [ 142.412613][ T1980] worker_thread+0x12bc/0x2340 [ 142.417388][ T1980] kthread+0x521/0x560 [ 142.421457][ T1980] ? process_one_work+0x1fe0/0x1fe0 [ 142.426663][ T1980] ? kthread_blkcg+0x110/0x110 [ 142.431427][ T1980] ret_from_fork+0x1f/0x30 [ 142.435847][ T1980] [ 142.438159][ T1980] Local variable ----data@usb_read8 created at: [ 142.444397][ T1980] usb_read8+0x5d/0x130 [ 142.448552][ T1980] usb_read8+0x5d/0x130 [ 142.452706][ T1980] ===================================================== [ 142.459823][ T1980] ===================================================== [ 142.466790][ T1980] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 executing program [ 142.474102][ T1980] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 142.483923][ T1980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.493992][ T1980] Workqueue: usb_hub_wq hub_event [ 142.499043][ T1980] Call Trace: [ 142.502324][ T1980] dump_stack+0x24c/0x2e0 [ 142.506688][ T1980] kmsan_report+0xfb/0x1e0 [ 142.511126][ T1980] __msan_warning+0x5c/0xa0 [ 142.515676][ T1980] r871xu_drv_init+0x2a38/0x2fe0 [ 142.520729][ T1980] ? r871x_dev_unload+0x310/0x310 [ 142.525771][ T1980] usb_probe_interface+0xfcc/0x1520 [ 142.531000][ T1980] ? usb_register_driver+0x900/0x900 [ 142.536308][ T1980] really_probe+0xe15/0x24d0 [ 142.540953][ T1980] driver_probe_device+0x29d/0x3a0 [ 142.546082][ T1980] __device_attach_driver+0x63f/0x830 [ 142.551478][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 142.556355][ T1980] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.562093][ T1980] __device_attach+0x56a/0x890 [ 142.566877][ T1980] device_initial_probe+0x4a/0x60 [ 142.571916][ T1980] bus_probe_device+0x17e/0x3d0 [ 142.576792][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.582619][ T1980] device_add+0x2c15/0x31d0 [ 142.587149][ T1980] usb_set_configuration+0x3872/0x3eb0 [ 142.592634][ T1980] ? usb_set_configuration+0xae1/0x3eb0 [ 142.598209][ T1980] usb_generic_driver_probe+0x138/0x300 [ 142.603782][ T1980] ? usb_choose_configuration+0xee0/0xee0 [ 142.609548][ T1980] usb_probe_device+0x317/0x570 [ 142.614426][ T1980] ? usb_register_device_driver+0x590/0x590 [ 142.620342][ T1980] really_probe+0xe15/0x24d0 [ 142.624953][ T1980] driver_probe_device+0x29d/0x3a0 [ 142.630081][ T1980] __device_attach_driver+0x63f/0x830 [ 142.635480][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 142.640355][ T1980] ? deferred_probe_work_func+0x4d0/0x4d0 [ 142.646091][ T1980] __device_attach+0x56a/0x890 [ 142.650874][ T1980] device_initial_probe+0x4a/0x60 [ 142.655913][ T1980] bus_probe_device+0x17e/0x3d0 [ 142.660787][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.666609][ T1980] device_add+0x2c15/0x31d0 [ 142.671138][ T1980] usb_new_device+0x1bd4/0x2a30 [ 142.676018][ T1980] hub_event+0x5b99/0x8870 [ 142.680459][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 142.685677][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.691501][ T1980] ? led_work+0x780/0x780 [ 142.695846][ T1980] process_one_work+0x1219/0x1fe0 [ 142.700901][ T1980] worker_thread+0x12bc/0x2340 [ 142.705699][ T1980] kthread+0x521/0x560 [ 142.709872][ T1980] ? process_one_work+0x1fe0/0x1fe0 [ 142.715094][ T1980] ? kthread_blkcg+0x110/0x110 [ 142.719880][ T1980] ret_from_fork+0x1f/0x30 [ 142.724337][ T1980] [ 142.726659][ T1980] Local variable ----mac@r871xu_drv_init created at: [ 142.733327][ T1980] r871xu_drv_init+0x189d/0x2fe0 [ 142.738284][ T1980] r871xu_drv_init+0x189d/0x2fe0 [ 142.743238][ T1980] ===================================================== [ 142.750461][ T1980] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 142.758174][ T1980] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 142.770851][ T7] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 142.780114][ T7] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 142.789989][ T1980] usb 1-1: USB disconnect, device number 3 [ 142.815363][ T7] usb 1-1: r8712u: Firmware request failed [ 143.192949][ T1980] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 143.552932][ T1980] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xD has invalid wMaxPacketSize 0 [ 143.562873][ T1980] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xF has invalid wMaxPacketSize 0 [ 143.753010][ T1980] usb 1-1: New USB device found, idVendor=25d4, idProduct=4cab, bcdDevice=4f.81 [ 143.762309][ T1980] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 143.770658][ T1980] usb 1-1: Product: syz [ 143.775064][ T1980] usb 1-1: Manufacturer: syz [ 143.779876][ T1980] usb 1-1: SerialNumber: syz [ 143.788240][ T1980] usb 1-1: config 0 descriptor?? [ 143.849650][ T1980] r8712u: register rtl8712_netdev_ops to netdev_ops [ 143.856553][ T1980] usb 1-1: r8712u: USB_SPEED_HIGH with 2 endpoints [ 143.962846][ T1980] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 143.969107][ C0] ===================================================== [ 143.969133][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.969154][ C0] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.969181][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.969206][ C0] Workqueue: usb_hub_wq hub_event [ 143.969236][ C0] Call Trace: [ 143.969249][ C0] dump_stack+0x24c/0x2e0 [ 143.969264][ C0] kmsan_report+0xfb/0x1e0 [ 143.969278][ C0] __msan_warning+0x5c/0xa0 [ 143.969293][ C0] string+0x573/0x6d0 [ 143.969307][ C0] vsnprintf+0x1acd/0x3600 [ 143.969322][ C0] pointer+0x1cbb/0x1ea0 [ 143.969337][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.969354][ C0] vsnprintf+0x15f2/0x3600 [ 143.969377][ C0] vprintk_store+0x2ab/0x1df0 [ 143.969393][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.969410][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 143.969427][ C0] ? __printk_safe_enter+0xe/0x30 [ 143.969443][ C0] vprintk_emit+0x28e/0x8b0 [ 143.969458][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.969473][ C0] dev_printk_emit+0x1ce/0x210 [ 143.969489][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.969507][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.969524][ C0] __dev_printk+0x3dc/0x458 [ 143.969538][ C0] _dev_info+0x1e5/0x22a [ 143.969553][ C0] ? usb_read8+0xe7/0x130 [ 143.969568][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.969597][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.969632][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.969664][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.969699][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.969734][ C0] ? usb_register_driver+0x900/0x900 [ 143.969764][ C0] really_probe+0xe15/0x24d0 [ 143.969780][ C0] driver_probe_device+0x29d/0x3a0 [ 143.969796][ C0] __device_attach_driver+0x63f/0x830 [ 143.969813][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.969829][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.969846][ C0] __device_attach+0x56a/0x890 [ 143.969862][ C0] device_initial_probe+0x4a/0x60 [ 143.969877][ C0] bus_probe_device+0x17e/0x3d0 [ 143.969893][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.969910][ C0] device_add+0x2c15/0x31d0 [ 143.969926][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.969943][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 143.969960][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.969977][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.969994][ C0] usb_probe_device+0x317/0x570 [ 143.970010][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.970027][ C0] really_probe+0xe15/0x24d0 [ 143.970042][ C0] driver_probe_device+0x29d/0x3a0 [ 143.970058][ C0] __device_attach_driver+0x63f/0x830 [ 143.970074][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.970090][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.970107][ C0] __device_attach+0x56a/0x890 [ 143.970123][ C0] device_initial_probe+0x4a/0x60 [ 143.970138][ C0] bus_probe_device+0x17e/0x3d0 [ 143.970155][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.970172][ C0] device_add+0x2c15/0x31d0 [ 143.970187][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.970202][ C0] hub_event+0x5b99/0x8870 [ 143.970218][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.970234][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.970251][ C0] ? led_work+0x780/0x780 [ 143.970266][ C0] process_one_work+0x1219/0x1fe0 [ 143.970281][ C0] worker_thread+0x12bc/0x2340 [ 143.970296][ C0] kthread+0x521/0x560 [ 143.970311][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.970327][ C0] ? kthread_blkcg+0x110/0x110 [ 143.970342][ C0] ret_from_fork+0x1f/0x30 [ 143.970355][ C0] [ 143.970368][ C0] Local variable ----data@usb_read8 created at: [ 143.970386][ C0] usb_read8+0x5d/0x130 [ 143.970401][ C0] usb_read8+0x5d/0x130 [ 143.970417][ C0] ===================================================== [ 143.970438][ C0] ===================================================== [ 143.970458][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.970479][ C0] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.970505][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.970528][ C0] Workqueue: usb_hub_wq hub_event [ 143.970555][ C0] Call Trace: [ 143.970568][ C0] dump_stack+0x24c/0x2e0 [ 143.970582][ C0] kmsan_report+0xfb/0x1e0 [ 143.970597][ C0] __msan_warning+0x5c/0xa0 [ 143.970611][ C0] string+0x573/0x6d0 [ 143.970625][ C0] vsnprintf+0x1acd/0x3600 [ 143.970640][ C0] pointer+0x1cbb/0x1ea0 [ 143.970655][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.970671][ C0] vsnprintf+0x15f2/0x3600 [ 143.970686][ C0] vprintk_store+0x2ab/0x1df0 [ 143.970701][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.970719][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 143.970737][ C0] ? __printk_safe_enter+0xe/0x30 [ 143.970771][ C0] vprintk_emit+0x28e/0x8b0 [ 143.970802][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.970834][ C0] dev_printk_emit+0x1ce/0x210 [ 143.970867][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.970905][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.970931][ C0] __dev_printk+0x3dc/0x458 [ 143.970945][ C0] _dev_info+0x1e5/0x22a [ 143.970960][ C0] ? usb_read8+0xe7/0x130 [ 143.970974][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.970991][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.971007][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.971023][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.971039][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.971055][ C0] ? usb_register_driver+0x900/0x900 [ 143.971071][ C0] really_probe+0xe15/0x24d0 [ 143.971086][ C0] driver_probe_device+0x29d/0x3a0 [ 143.971103][ C0] __device_attach_driver+0x63f/0x830 [ 143.971119][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.971135][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.971152][ C0] __device_attach+0x56a/0x890 [ 143.971167][ C0] device_initial_probe+0x4a/0x60 [ 143.971183][ C0] bus_probe_device+0x17e/0x3d0 [ 143.971199][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.971216][ C0] device_add+0x2c15/0x31d0 [ 143.971232][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.971248][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 143.971265][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.971286][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.971303][ C0] usb_probe_device+0x317/0x570 [ 143.971319][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.971336][ C0] really_probe+0xe15/0x24d0 [ 143.971352][ C0] driver_probe_device+0x29d/0x3a0 [ 143.971368][ C0] __device_attach_driver+0x63f/0x830 [ 143.971384][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.971400][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.971417][ C0] __device_attach+0x56a/0x890 [ 143.971433][ C0] device_initial_probe+0x4a/0x60 [ 143.971449][ C0] bus_probe_device+0x17e/0x3d0 [ 143.971465][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.971481][ C0] device_add+0x2c15/0x31d0 [ 143.971496][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.971512][ C0] hub_event+0x5b99/0x8870 [ 143.971527][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.971543][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.971560][ C0] ? led_work+0x780/0x780 [ 143.971575][ C0] process_one_work+0x1219/0x1fe0 [ 143.971591][ C0] worker_thread+0x12bc/0x2340 [ 143.971606][ C0] kthread+0x521/0x560 [ 143.971620][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.971636][ C0] ? kthread_blkcg+0x110/0x110 [ 143.971651][ C0] ret_from_fork+0x1f/0x30 [ 143.971665][ C0] [ 143.971678][ C0] Local variable ----data@usb_read8 created at: [ 143.971696][ C0] usb_read8+0x5d/0x130 [ 143.971711][ C0] usb_read8+0x5d/0x130 [ 143.971728][ C0] ===================================================== [ 143.971749][ C0] ===================================================== [ 143.971773][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.971795][ C0] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.971821][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.971845][ C0] Workqueue: usb_hub_wq hub_event [ 143.971872][ C0] Call Trace: [ 143.971884][ C0] dump_stack+0x24c/0x2e0 [ 143.971899][ C0] kmsan_report+0xfb/0x1e0 [ 143.971925][ C0] __msan_warning+0x5c/0xa0 [ 143.971956][ C0] string+0x573/0x6d0 [ 143.971986][ C0] vsnprintf+0x1acd/0x3600 [ 143.972017][ C0] pointer+0x1cbb/0x1ea0 [ 143.972049][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.972081][ C0] vsnprintf+0x15f2/0x3600 [ 143.972096][ C0] vprintk_store+0x2ab/0x1df0 [ 143.972112][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.972129][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 143.972146][ C0] ? __printk_safe_enter+0xe/0x30 [ 143.972161][ C0] vprintk_emit+0x28e/0x8b0 [ 143.972176][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.972192][ C0] dev_printk_emit+0x1ce/0x210 [ 143.972208][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.972225][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.972241][ C0] __dev_printk+0x3dc/0x458 [ 143.972256][ C0] _dev_info+0x1e5/0x22a [ 143.972270][ C0] ? usb_read8+0xe7/0x130 [ 143.972285][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.972301][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.972318][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.972333][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.972349][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.972365][ C0] ? usb_register_driver+0x900/0x900 [ 143.972381][ C0] really_probe+0xe15/0x24d0 [ 143.972396][ C0] driver_probe_device+0x29d/0x3a0 [ 143.972412][ C0] __device_attach_driver+0x63f/0x830 [ 143.972428][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.972444][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.972460][ C0] __device_attach+0x56a/0x890 [ 143.972485][ C0] device_initial_probe+0x4a/0x60 [ 143.972516][ C0] bus_probe_device+0x17e/0x3d0 [ 143.972548][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.972580][ C0] device_add+0x2c15/0x31d0 [ 143.972612][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.972647][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 143.972682][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.972718][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.972751][ C0] usb_probe_device+0x317/0x570 [ 143.972773][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.972790][ C0] really_probe+0xe15/0x24d0 [ 143.972806][ C0] driver_probe_device+0x29d/0x3a0 [ 143.972823][ C0] __device_attach_driver+0x63f/0x830 [ 143.972839][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.972855][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.972873][ C0] __device_attach+0x56a/0x890 [ 143.972888][ C0] device_initial_probe+0x4a/0x60 [ 143.972904][ C0] bus_probe_device+0x17e/0x3d0 [ 143.972921][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.972937][ C0] device_add+0x2c15/0x31d0 [ 143.972952][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.972967][ C0] hub_event+0x5b99/0x8870 [ 143.972983][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.972999][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.973016][ C0] ? led_work+0x780/0x780 [ 143.973031][ C0] process_one_work+0x1219/0x1fe0 [ 143.973047][ C0] worker_thread+0x12bc/0x2340 [ 143.973062][ C0] kthread+0x521/0x560 [ 143.973091][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.973124][ C0] ? kthread_blkcg+0x110/0x110 [ 143.973155][ C0] ret_from_fork+0x1f/0x30 [ 143.973183][ C0] [ 143.973211][ C0] Local variable ----data@usb_read8 created at: [ 143.973244][ C0] usb_read8+0x5d/0x130 [ 143.973259][ C0] usb_read8+0x5d/0x130 [ 143.973276][ C0] ===================================================== [ 143.973297][ C0] ===================================================== [ 143.973317][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.973338][ C0] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.973364][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.973389][ C0] Workqueue: usb_hub_wq hub_event [ 143.973416][ C0] Call Trace: [ 143.973429][ C0] dump_stack+0x24c/0x2e0 [ 143.973443][ C0] kmsan_report+0xfb/0x1e0 [ 143.973458][ C0] __msan_warning+0x5c/0xa0 [ 143.973473][ C0] string+0x573/0x6d0 [ 143.973487][ C0] vsnprintf+0x1acd/0x3600 [ 143.973501][ C0] pointer+0x1cbb/0x1ea0 [ 143.973516][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.973533][ C0] vsnprintf+0x15f2/0x3600 [ 143.973547][ C0] vprintk_store+0x2ab/0x1df0 [ 143.973563][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.973580][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 143.973598][ C0] ? __printk_safe_enter+0xe/0x30 [ 143.973613][ C0] vprintk_emit+0x28e/0x8b0 [ 143.973628][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.973643][ C0] dev_printk_ [ 143.973666][ C0] Lost 1703 message(s)! [ 145.271620][ T1980] ===================================================== [ 145.278558][ T1980] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 145.285881][ T1980] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.295699][ T1980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.305774][ T1980] Workqueue: usb_hub_wq hub_event [ 145.310823][ T1980] Call Trace: [ 145.314110][ T1980] dump_stack+0x24c/0x2e0 [ 145.318472][ T1980] kmsan_report+0xfb/0x1e0 [ 145.322912][ T1980] __msan_warning+0x5c/0xa0 executing program [ 145.327435][ T1980] r871xu_drv_init+0x1a86/0x2fe0 [ 145.332393][ T1980] ? r871x_dev_unload+0x310/0x310 [ 145.337439][ T1980] usb_probe_interface+0xfcc/0x1520 [ 145.342669][ T1980] ? usb_register_driver+0x900/0x900 [ 145.347975][ T1980] really_probe+0xe15/0x24d0 [ 145.352587][ T1980] driver_probe_device+0x29d/0x3a0 [ 145.357718][ T1980] __device_attach_driver+0x63f/0x830 [ 145.363118][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 145.367996][ T1980] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.373746][ T1980] __device_attach+0x56a/0x890 [ 145.378549][ T1980] device_initial_probe+0x4a/0x60 [ 145.383588][ T1980] bus_probe_device+0x17e/0x3d0 [ 145.388482][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.394309][ T1980] device_add+0x2c15/0x31d0 [ 145.398843][ T1980] usb_set_configuration+0x3872/0x3eb0 [ 145.404329][ T1980] ? usb_set_configuration+0xae1/0x3eb0 [ 145.409905][ T1980] usb_generic_driver_probe+0x138/0x300 [ 145.415473][ T1980] ? usb_choose_configuration+0xee0/0xee0 [ 145.421226][ T1980] usb_probe_device+0x317/0x570 [ 145.426107][ T1980] ? usb_register_device_driver+0x590/0x590 [ 145.432019][ T1980] really_probe+0xe15/0x24d0 [ 145.436630][ T1980] driver_probe_device+0x29d/0x3a0 [ 145.441759][ T1980] __device_attach_driver+0x63f/0x830 [ 145.447150][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 145.452027][ T1980] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.457766][ T1980] __device_attach+0x56a/0x890 [ 145.462566][ T1980] device_initial_probe+0x4a/0x60 [ 145.467604][ T1980] bus_probe_device+0x17e/0x3d0 [ 145.472480][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.478304][ T1980] device_add+0x2c15/0x31d0 [ 145.482831][ T1980] usb_new_device+0x1bd4/0x2a30 [ 145.487701][ T1980] hub_event+0x5b99/0x8870 [ 145.492163][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 145.497410][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.503235][ T1980] ? led_work+0x780/0x780 [ 145.507581][ T1980] process_one_work+0x1219/0x1fe0 [ 145.512632][ T1980] worker_thread+0x12bc/0x2340 [ 145.517420][ T1980] kthread+0x521/0x560 [ 145.521517][ T1980] ? process_one_work+0x1fe0/0x1fe0 [ 145.526756][ T1980] ? kthread_blkcg+0x110/0x110 [ 145.531537][ T1980] ret_from_fork+0x1f/0x30 [ 145.535978][ T1980] [ 145.538305][ T1980] Local variable ----data@usb_read8 created at: [ 145.544564][ T1980] usb_read8+0x5d/0x130 [ 145.548735][ T1980] usb_read8+0x5d/0x130 [ 145.552905][ T1980] ===================================================== [ 145.560172][ T1980] ===================================================== [ 145.567121][ T1980] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 145.574431][ T1980] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.584336][ T1980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.594508][ T1980] Workqueue: usb_hub_wq hub_event [ 145.599533][ T1980] Call Trace: [ 145.602807][ T1980] dump_stack+0x24c/0x2e0 [ 145.607182][ T1980] kmsan_report+0xfb/0x1e0 [ 145.611621][ T1980] __msan_warning+0x5c/0xa0 [ 145.616115][ T1980] r871xu_drv_init+0x2a38/0x2fe0 [ 145.621100][ T1980] ? r871x_dev_unload+0x310/0x310 [ 145.626139][ T1980] usb_probe_interface+0xfcc/0x1520 [ 145.631366][ T1980] ? usb_register_driver+0x900/0x900 [ 145.636644][ T1980] really_probe+0xe15/0x24d0 [ 145.641243][ T1980] driver_probe_device+0x29d/0x3a0 [ 145.646364][ T1980] __device_attach_driver+0x63f/0x830 [ 145.651731][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 145.656596][ T1980] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.662308][ T1980] __device_attach+0x56a/0x890 [ 145.667066][ T1980] device_initial_probe+0x4a/0x60 [ 145.672085][ T1980] bus_probe_device+0x17e/0x3d0 [ 145.676962][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.682779][ T1980] device_add+0x2c15/0x31d0 [ 145.687304][ T1980] usb_set_configuration+0x3872/0x3eb0 [ 145.692765][ T1980] ? usb_set_configuration+0xae1/0x3eb0 [ 145.698334][ T1980] usb_generic_driver_probe+0x138/0x300 [ 145.703872][ T1980] ? usb_choose_configuration+0xee0/0xee0 [ 145.709601][ T1980] usb_probe_device+0x317/0x570 [ 145.714465][ T1980] ? usb_register_device_driver+0x590/0x590 [ 145.720394][ T1980] really_probe+0xe15/0x24d0 [ 145.725134][ T1980] driver_probe_device+0x29d/0x3a0 [ 145.730378][ T1980] __device_attach_driver+0x63f/0x830 [ 145.735842][ T1980] bus_for_each_drv+0x2c8/0x3f0 [ 145.740707][ T1980] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.746422][ T1980] __device_attach+0x56a/0x890 [ 145.751181][ T1980] device_initial_probe+0x4a/0x60 [ 145.756220][ T1980] bus_probe_device+0x17e/0x3d0 [ 145.761091][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.766907][ T1980] device_add+0x2c15/0x31d0 [ 145.771511][ T1980] usb_new_device+0x1bd4/0x2a30 [ 145.776355][ T1980] hub_event+0x5b99/0x8870 [ 145.780789][ T1980] ? kmsan_get_metadata+0x116/0x180 [ 145.785995][ T1980] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.791802][ T1980] ? led_work+0x780/0x780 [ 145.796142][ T1980] process_one_work+0x1219/0x1fe0 [ 145.801679][ T1980] worker_thread+0x12bc/0x2340 [ 145.806448][ T1980] kthread+0x521/0x560 [ 145.810509][ T1980] ? process_one_work+0x1fe0/0x1fe0 [ 145.815705][ T1980] ? kthread_blkcg+0x110/0x110 [ 145.820480][ T1980] ret_from_fork+0x1f/0x30 [ 145.824893][ T1980] [ 145.827224][ T1980] Local variable ----mac@r871xu_drv_init created at: [ 145.833890][ T1980] r871xu_drv_init+0x189d/0x2fe0 [ 145.838822][ T1980] r871xu_drv_init+0x189d/0x2fe0 [ 145.843757][ T1980] ===================================================== [ 145.850939][ T1980] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 145.858645][ T1980] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 145.871399][ T7] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 145.880641][ T7] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 145.890480][ T1980] usb 1-1: USB disconnect, device number 4 [ 145.928459][ T7] usb 1-1: r8712u: Firmware request failed [ 146.302704][ T1980] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 146.662839][ T1980] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xD has invalid wMaxPacketSize 0 [ 146.672731][ T1980] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xF has invalid wMaxPacketSize 0 [ 146.842972][ T1980] usb 1-1: New USB device found, idVendor=25d4, idProduct=4cab, bcdDevice=4f.81 [ 146.852365][ T1980] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 146.860628][ T1980] usb 1-1: Product: syz [ 146.864995][ T1980] usb 1-1: Manufacturer: syz [ 146.869692][ T1980] usb 1-1: SerialNumber: syz [ 146.877813][ T1980] usb 1-1: config 0 descriptor?? [ 146.930114][ T1980] r8712u: register rtl8712_netdev_ops to netdev_ops [ 146.937062][ T1980] usb 1-1: r8712u: USB_SPEED_HIGH with 2 endpoints [ 147.062945][ T1980] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 147.068832][ C0] ===================================================== [ 147.068882][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 147.068929][ C0] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.068963][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.068987][ C0] Workqueue: usb_hub_wq hub_event [ 147.069015][ C0] Call Trace: [ 147.069028][ C0] dump_stack+0x24c/0x2e0 [ 147.069043][ C0] kmsan_report+0xfb/0x1e0 [ 147.069058][ C0] __msan_warning+0x5c/0xa0 [ 147.069073][ C0] string+0x573/0x6d0 [ 147.069087][ C0] vsnprintf+0x1acd/0x3600 [ 147.069102][ C0] pointer+0x1cbb/0x1ea0 [ 147.069117][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.069134][ C0] vsnprintf+0x15f2/0x3600 [ 147.069149][ C0] vprintk_store+0x2ab/0x1df0 [ 147.069166][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.069183][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 147.069201][ C0] ? __printk_safe_enter+0xe/0x30 [ 147.069217][ C0] vprintk_emit+0x28e/0x8b0 [ 147.069231][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 147.069247][ C0] dev_printk_emit+0x1ce/0x210 [ 147.069268][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 147.069285][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.069302][ C0] __dev_printk+0x3dc/0x458 [ 147.069317][ C0] _dev_info+0x1e5/0x22a [ 147.069331][ C0] ? usb_read8+0xe7/0x130 [ 147.069346][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 147.069362][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 147.069379][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 147.069395][ C0] ? r871x_dev_unload+0x310/0x310 [ 147.069411][ C0] usb_probe_interface+0xfcc/0x1520 [ 147.069427][ C0] ? usb_register_driver+0x900/0x900 [ 147.069443][ C0] really_probe+0xe15/0x24d0 [ 147.069459][ C0] driver_probe_device+0x29d/0x3a0 [ 147.069475][ C0] __device_attach_driver+0x63f/0x830 [ 147.069491][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 147.069507][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 147.069524][ C0] __device_attach+0x56a/0x890 [ 147.069539][ C0] device_initial_probe+0x4a/0x60 [ 147.069555][ C0] bus_probe_device+0x17e/0x3d0 [ 147.069571][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.069588][ C0] device_add+0x2c15/0x31d0 [ 147.069607][ C0] usb_set_configuration+0x3872/0x3eb0 [ 147.069632][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 147.069650][ C0] usb_generic_driver_probe+0x138/0x300 [ 147.069666][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 147.069684][ C0] usb_probe_device+0x317/0x570 [ 147.069700][ C0] ? usb_register_device_driver+0x590/0x590 [ 147.069717][ C0] really_probe+0xe15/0x24d0 [ 147.069732][ C0] driver_probe_device+0x29d/0x3a0 [ 147.069748][ C0] __device_attach_driver+0x63f/0x830 [ 147.069765][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 147.069781][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 147.069798][ C0] __device_attach+0x56a/0x890 [ 147.069813][ C0] device_initial_probe+0x4a/0x60 [ 147.069829][ C0] bus_probe_device+0x17e/0x3d0 [ 147.069845][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.069862][ C0] device_add+0x2c15/0x31d0 [ 147.069877][ C0] usb_new_device+0x1bd4/0x2a30 [ 147.069903][ C0] hub_event+0x5b99/0x8870 [ 147.069935][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.069968][ C0] ? kmsan_get_metadata+0x116/0x180 [ 147.070004][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.070041][ C0] ? led_work+0x780/0x780 [ 147.070074][ C0] process_one_work+0x1219/0x1fe0 [ 147.070106][ C0] worker_thread+0x12bc/0x2340 [ 147.070122][ C0] kthread+0x521/0x560 [ 147.070136][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 147.070152][ C0] ? kthread_blkcg+0x110/0x110 [ 147.070167][ C0] ret_from_fork+0x1f/0x30 [ 147.070181][ C0] [ 147.070194][ C0] Local variable ----data@usb_read8 created at: [ 147.070212][ C0] usb_read8+0x5d/0x130 [ 147.070228][ C0] usb_read8+0x5d/0x130 [ 147.070244][ C0] ===================================================== [ 147.070270][ C0] ===================================================== [ 147.070290][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 147.070311][ C0] CPU: 0 PID: 1980 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.070337][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.070361][ C0] Workqueue: usb_hub_wq hub_event [ 147.070389][ C0] Call Trace: [ 147.070401][ C0] dump_stack+0x24c/0x2e0 [ 147.070416][ C0] kmsan_report+0xfb/0x1e0 [ 147.070431][ C0] __msan_warning+0x5c/0xa0 [ 147.070445][ C0] string+0x573/0x6d0 [ 147.070459][ C0] vsnprintf+0x1acd/0x3600 [ 147.070474][ C0] pointer+0x1cbb/0x1ea0 [ 147.070489][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.070506][ C0] vsnprintf+0x15f2/0x3600 [ 147.070521][ C0] vprintk_store+0x2ab/0x1df0 [ 147.070537][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.070554][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 147.070571][ C0] ? __printk_safe_enter+0xe/0x30 [ 147.070587][ C0] vprintk_emit+0x28e/0x8b0 [ 147.070602][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 147.070618][ C0] dev_printk_emit+0x1ce/0x210 [ 147.070634][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 147.070651][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.070667][ C0] __dev_printk+0x3dc/0x458 [ 147.070682][ C0] _dev_info+0x1e5/0x22a [ 147.070696][ C0] ? usb_read8+0xe7/0x130 [ 147.070711][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 147.070727][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 147.070744][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 147.070760][ C0] ? r871x_dev_unload+0x310/0x310 [ 147.070776][ C0] usb_probe_interface+0xfcc/0x1520 [ 147.070792][ C0] ? usb_register_driver+0x900/0x900 [ 147.070809][ C0] really_probe+0xe15/0x24d0 [ 147.070824][ C0] driver_probe_device+0x29d/0x3a0 [ 147.070840][ C0] __device_attach_driver+0x63f/0x830 [ 147.070856][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 147.070872][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 147.070889][ C0] __device_attach+0x56a/0x890 [ 147.070904][ C0] device_initial_probe+0x4a/0x60 [ 147.070920][ C0] bus_probe_device+0x17e/0x3d0 [ 147.070936][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.070953][ C0] device_add+0x2c15/0x31d0 [ 147.070968][ C0] usb_set_configuration+0x3872/0x3eb0 [ 147.070985][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 147.071002][ C0] usb_generic_driver_probe+0x138/0x300 [ 147.071019][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 147.071036][ C0] usb_probe_device+0x317/0x570 [ 147.071059][ C0] ? usb_register_device_driver+0x590/0x590 [ 147.071094][ C0] really_probe+0xe15/0x24d0 [ 147.071125][ C0] driver_probe_device+0x29d/0x3a0 [ 147.071160][ C0] __device_attach_driver+0x63f/0x830 [ 147.071195][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 147.071229][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 147.071270][ C0] __device_attach+0x56a/0x890 [ 147.071287][ C0] device_initial_probe+0x4a/0x60 [ 147.071302][ C0] bus_probe_device+0x17e/0x3d0