Warning: Permanently added '10.128.1.5' (ECDSA) to the list of known hosts. executing program [ 133.139506][ T18] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 133.529562][ T18] usb 1-1: config 0 has an invalid interface number: 140 but max is 0 [ 133.537986][ T18] usb 1-1: config 0 contains an unexpected descriptor of type 0x1, skipping [ 133.547046][ T18] usb 1-1: config 0 has an invalid interface association descriptor of length 2, skipping [ 133.557202][ T18] usb 1-1: config 0 has no interface number 0 [ 133.563482][ T18] usb 1-1: config 0 interface 140 altsetting 39 endpoint 0xC has invalid maxpacket 1024, setting to 64 [ 133.574783][ T18] usb 1-1: config 0 interface 140 altsetting 39 endpoint 0x9 has invalid maxpacket 1600, setting to 1024 [ 133.586313][ T18] usb 1-1: config 0 interface 140 altsetting 39 has a duplicate endpoint with address 0x89, skipping [ 133.597433][ T18] usb 1-1: config 0 interface 140 altsetting 39 bulk endpoint 0x4 has invalid maxpacket 8 [ 133.607668][ T18] usb 1-1: config 0 interface 140 altsetting 39 endpoint 0x6 has invalid maxpacket 512, setting to 64 [ 133.618978][ T18] usb 1-1: config 0 interface 140 altsetting 39 has a duplicate endpoint with address 0x8, skipping [ 133.630039][ T18] usb 1-1: config 0 interface 140 altsetting 39 has an invalid endpoint with address 0x0, skipping [ 133.641088][ T18] usb 1-1: config 0 interface 140 altsetting 39 has an invalid endpoint with address 0x0, skipping [ 133.652094][ T18] usb 1-1: config 0 interface 140 altsetting 39 has a duplicate endpoint with address 0x8, skipping [ 133.663133][ T18] usb 1-1: config 0 interface 140 has no altsetting 0 [ 133.670211][ T18] usb 1-1: New USB device found, idVendor=0409, idProduct=02b6, bcdDevice=a5.95 [ 133.679523][ T18] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 133.690302][ T18] usb 1-1: config 0 descriptor?? executing program [ 133.979604][ T18] usb 1-1: string descriptor 0 read error: -71 [ 133.992921][ T18] r8712u: register rtl8712_netdev_ops to netdev_ops [ 133.999926][ T18] usb 1-1: r8712u: USB_SPEED_HIGH with 9 endpoints [ 134.059474][ T18] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 134.064428][ C1] ===================================================== [ 134.064452][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 134.064473][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Not tainted 5.11.0-rc7-syzkaller #0 [ 134.064501][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.064525][ C1] Workqueue: usb_hub_wq hub_event [ 134.064555][ C1] Call Trace: [ 134.064569][ C1] dump_stack+0x21c/0x280 [ 134.064583][ C1] kmsan_report+0xfb/0x1e0 [ 134.064598][ C1] __msan_warning+0x5f/0xa0 [ 134.064613][ C1] string+0x573/0x6d0 [ 134.064627][ C1] vsnprintf+0x1acd/0x3600 [ 134.064642][ C1] pointer+0x1b8a/0x1ca0 [ 134.064657][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.064675][ C1] vsnprintf+0x15f2/0x3600 [ 134.064690][ C1] vprintk_store+0x2ab/0x1df0 [ 134.064705][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 134.064723][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.064740][ C1] vprintk_emit+0x29a/0x7f0 [ 134.064755][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 134.064771][ C1] dev_printk_emit+0x1ce/0x210 [ 134.064787][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 134.064805][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.064822][ C1] __dev_printk+0x3dc/0x458 [ 134.064837][ C1] _dev_info+0x1e5/0x22a [ 134.064852][ C1] ? usb_read8+0xe7/0x130 [ 134.064867][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 134.064883][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 134.064912][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 134.064927][ C1] ? r871x_dev_unload+0x310/0x310 [ 134.064953][ C1] usb_probe_interface+0xfcc/0x1520 [ 134.064968][ C1] ? usb_register_driver+0x900/0x900 [ 134.064982][ C1] really_probe+0xe15/0x24d0 [ 134.064996][ C1] driver_probe_device+0x29d/0x3a0 [ 134.065011][ C1] __device_attach_driver+0x63f/0x830 [ 134.065026][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 134.065041][ C1] ? deferred_probe_work_func+0x400/0x400 [ 134.065056][ C1] __device_attach+0x56a/0x890 [ 134.065070][ C1] device_initial_probe+0x4a/0x60 [ 134.065084][ C1] bus_probe_device+0x17e/0x3d0 [ 134.065099][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.065114][ C1] device_add+0x2c15/0x31d0 [ 134.065128][ C1] usb_set_configuration+0x3872/0x3eb0 [ 134.065143][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 134.065159][ C1] usb_generic_driver_probe+0x138/0x300 [ 134.065174][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 134.065189][ C1] usb_probe_device+0x317/0x570 [ 134.065204][ C1] ? usb_register_device_driver+0x590/0x590 [ 134.065219][ C1] really_probe+0xe15/0x24d0 [ 134.065233][ C1] driver_probe_device+0x29d/0x3a0 [ 134.065247][ C1] __device_attach_driver+0x63f/0x830 [ 134.065262][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 134.065276][ C1] ? deferred_probe_work_func+0x400/0x400 [ 134.065292][ C1] __device_attach+0x56a/0x890 [ 134.065306][ C1] device_initial_probe+0x4a/0x60 [ 134.065320][ C1] bus_probe_device+0x17e/0x3d0 [ 134.065335][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.065350][ C1] device_add+0x2c15/0x31d0 [ 134.065363][ C1] usb_new_device+0x1bd4/0x2a30 [ 134.065377][ C1] hub_event+0x5b99/0x8870 [ 134.065391][ C1] ? kmsan_get_metadata+0x116/0x180 [ 134.065406][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.065421][ C1] ? led_work+0x780/0x780 [ 134.065434][ C1] process_one_work+0x1219/0x1fe0 [ 134.065448][ C1] worker_thread+0x10ec/0x2340 [ 134.065462][ C1] kthread+0x521/0x560 [ 134.065475][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 134.065493][ C1] ? kthread_blkcg+0x110/0x110 [ 134.065507][ C1] ret_from_fork+0x1f/0x30 [ 134.065519][ C1] [ 134.065531][ C1] Local variable ----data@usb_read8 created at: [ 134.065547][ C1] usb_read8+0x5d/0x130 [ 134.065560][ C1] usb_read8+0x5d/0x130 [ 134.065575][ C1] ===================================================== [ 134.065612][ C1] Disabling lock debugging due to kernel taint [ 134.065631][ C1] ===================================================== [ 134.065650][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 134.065671][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 134.065696][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.065718][ C1] Workqueue: usb_hub_wq hub_event [ 134.065744][ C1] Call Trace: [ 134.065756][ C1] dump_stack+0x21c/0x280 [ 134.065770][ C1] kmsan_report+0xfb/0x1e0 [ 134.065785][ C1] __msan_warning+0x5f/0xa0 [ 134.065799][ C1] string+0x573/0x6d0 [ 134.065812][ C1] vsnprintf+0x1acd/0x3600 [ 134.065826][ C1] pointer+0x1b8a/0x1ca0 [ 134.065840][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.065856][ C1] vsnprintf+0x15f2/0x3600 [ 134.065871][ C1] vprintk_store+0x2ab/0x1df0 [ 134.065886][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 134.065902][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.065918][ C1] vprintk_emit+0x29a/0x7f0 [ 134.065933][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 134.065948][ C1] dev_printk_emit+0x1ce/0x210 [ 134.065963][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 134.065980][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.065996][ C1] __dev_printk+0x3dc/0x458 [ 134.066010][ C1] _dev_info+0x1e5/0x22a [ 134.066024][ C1] ? usb_read8+0xe7/0x130 [ 134.066038][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 134.066054][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 134.066070][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 134.066085][ C1] ? r871x_dev_unload+0x310/0x310 [ 134.066100][ C1] usb_probe_interface+0xfcc/0x1520 [ 134.066116][ C1] ? usb_register_driver+0x900/0x900 [ 134.066132][ C1] really_probe+0xe15/0x24d0 [ 134.066146][ C1] driver_probe_device+0x29d/0x3a0 [ 134.066162][ C1] __device_attach_driver+0x63f/0x830 [ 134.066177][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 134.066193][ C1] ? deferred_probe_work_func+0x400/0x400 [ 134.066209][ C1] __device_attach+0x56a/0x890 [ 134.066224][ C1] device_initial_probe+0x4a/0x60 [ 134.066239][ C1] bus_probe_device+0x17e/0x3d0 [ 134.066255][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.066271][ C1] device_add+0x2c15/0x31d0 [ 134.066286][ C1] usb_set_configuration+0x3872/0x3eb0 [ 134.066302][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 134.066318][ C1] usb_generic_driver_probe+0x138/0x300 [ 134.066335][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 134.066351][ C1] usb_probe_device+0x317/0x570 [ 134.066366][ C1] ? usb_register_device_driver+0x590/0x590 [ 134.066382][ C1] really_probe+0xe15/0x24d0 [ 134.066397][ C1] driver_probe_device+0x29d/0x3a0 [ 134.066413][ C1] __device_attach_driver+0x63f/0x830 [ 134.066428][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 134.066444][ C1] ? deferred_probe_work_func+0x400/0x400 [ 134.066460][ C1] __device_attach+0x56a/0x890 [ 134.066475][ C1] device_initial_probe+0x4a/0x60 [ 134.066505][ C1] bus_probe_device+0x17e/0x3d0 [ 134.066520][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.066535][ C1] device_add+0x2c15/0x31d0 [ 134.066548][ C1] usb_new_device+0x1bd4/0x2a30 [ 134.066562][ C1] hub_event+0x5b99/0x8870 [ 134.066576][ C1] ? kmsan_get_metadata+0x116/0x180 [ 134.066590][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.066605][ C1] ? led_work+0x780/0x780 [ 134.066619][ C1] process_one_work+0x1219/0x1fe0 [ 134.066633][ C1] worker_thread+0x10ec/0x2340 [ 134.066646][ C1] kthread+0x521/0x560 [ 134.066660][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 134.066674][ C1] ? kthread_blkcg+0x110/0x110 [ 134.066688][ C1] ret_from_fork+0x1f/0x30 [ 134.066700][ C1] [ 134.066711][ C1] Local variable ----data@usb_read8 created at: [ 134.066728][ C1] usb_read8+0x5d/0x130 [ 134.066741][ C1] usb_read8+0x5d/0x130 [ 134.066767][ C1] ===================================================== [ 134.066784][ C1] ===================================================== [ 134.066819][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 134.066838][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 134.066861][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.066883][ C1] Workqueue: usb_hub_wq hub_event [ 134.066907][ C1] Call Trace: [ 134.066918][ C1] dump_stack+0x21c/0x280 [ 134.066931][ C1] kmsan_report+0xfb/0x1e0 [ 134.066944][ C1] __msan_warning+0x5f/0xa0 [ 134.066957][ C1] string+0x573/0x6d0 [ 134.066970][ C1] vsnprintf+0x1acd/0x3600 [ 134.066983][ C1] pointer+0x1b8a/0x1ca0 [ 134.066997][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.067012][ C1] vsnprintf+0x15f2/0x3600 [ 134.067025][ C1] vprintk_store+0x2ab/0x1df0 [ 134.067039][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 134.067055][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.067070][ C1] vprintk_emit+0x29a/0x7f0 [ 134.067083][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 134.067097][ C1] dev_printk_emit+0x1ce/0x210 [ 134.067111][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 134.067127][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.067142][ C1] __dev_printk+0x3dc/0x458 [ 134.067155][ C1] _dev_info+0x1e5/0x22a [ 134.067168][ C1] ? usb_read8+0xe7/0x130 [ 134.067182][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 134.067196][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 134.067211][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 134.067226][ C1] ? r871x_dev_unload+0x310/0x310 [ 134.067240][ C1] usb_probe_interface+0xfcc/0x1520 [ 134.067255][ C1] ? usb_register_driver+0x900/0x900 [ 134.067269][ C1] really_probe+0xe15/0x24d0 [ 134.067283][ C1] driver_probe_device+0x29d/0x3a0 [ 134.067297][ C1] __device_attach_driver+0x63f/0x830 [ 134.067312][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 134.067327][ C1] ? deferred_probe_work_func+0x400/0x400 [ 134.067342][ C1] __device_attach+0x56a/0x890 [ 134.067356][ C1] device_initial_probe+0x4a/0x60 [ 134.067370][ C1] bus_probe_device+0x17e/0x3d0 [ 134.067384][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.067400][ C1] device_add+0x2c15/0x31d0 [ 134.067413][ C1] usb_set_configuration+0x3872/0x3eb0 [ 134.067428][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 134.067444][ C1] usb_generic_driver_probe+0x138/0x300 [ 134.067477][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 134.067498][ C1] usb_probe_device+0x317/0x570 [ 134.067513][ C1] ? usb_register_device_driver+0x590/0x590 [ 134.067530][ C1] really_probe+0xe15/0x24d0 [ 134.067555][ C1] driver_probe_device+0x29d/0x3a0 [ 134.067570][ C1] __device_attach_driver+0x63f/0x830 [ 134.067584][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 134.067598][ C1] ? deferred_probe_work_func+0x400/0x400 [ 134.067614][ C1] __device_attach+0x56a/0x890 [ 134.067627][ C1] device_initial_probe+0x4a/0x60 [ 134.067642][ C1] bus_probe_device+0x17e/0x3d0 [ 134.067656][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.067671][ C1] device_add+0x2c15/0x31d0 [ 134.067685][ C1] usb_new_device+0x1bd4/0x2a30 [ 134.067698][ C1] hub_event+0x5b99/0x8870 [ 134.067712][ C1] ? kmsan_get_metadata+0x116/0x180 [ 134.067727][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.067742][ C1] ? led_work+0x780/0x780 [ 134.067755][ C1] process_one_work+0x1219/0x1fe0 [ 134.067769][ C1] worker_thread+0x10ec/0x2340 [ 134.067783][ C1] kthread+0x521/0x560 [ 134.067796][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 134.067810][ C1] ? kthread_blkcg+0x110/0x110 [ 134.067824][ C1] ret_from_fork+0x1f/0x30 [ 134.067836][ C1] [ 134.067848][ C1] Local variable ----data@usb_read8 created at: [ 134.067864][ C1] usb_read8+0x5d/0x130 [ 134.067877][ C1] usb_read8+0x5d/0x130 [ 134.067892][ C1] ===================================================== [ 134.067911][ C1] ===================================================== [ 134.067929][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 134.067948][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 134.067971][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.067992][ C1] Workqueue: usb_hub_wq hub_event [ 134.068016][ C1] Call Trace: [ 134.068028][ C1] dump_stack+0x21c/0x280 [ 134.068041][ C1] kmsan_report+0xfb/0x1e0 [ 134.068054][ C1] __msan_warning+0x5f/0xa0 [ 134.068067][ C1] string+0x573/0x6d0 [ 134.068079][ C1] vsnprintf+0x1acd/0x3600 [ 134.068092][ C1] pointer+0x1b8a/0x1ca0 [ 134.068106][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.068121][ C1] vsnprintf+0x15f2/0x3600 [ 134.068134][ C1] vprintk_store+0x2ab/0x1df0 [ 134.068148][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 134.068164][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.068179][ C1] vprintk_emit+0x29a/0x7f0 [ 134.068192][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 134.068206][ C1] dev_printk_emit+0x1ce/0x210 [ 134.068220][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 134.068235][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 134.068250][ C1] __dev_print [ 134.068271][ C1] Lost 1678 message(s)! [ 135.344286][ T18] ===================================================== [ 135.351574][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 135.358886][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 135.368521][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.378590][ T18] Workqueue: usb_hub_wq hub_event [ 135.383647][ T18] Call Trace: [ 135.386924][ T18] dump_stack+0x21c/0x280 [ 135.391273][ T18] kmsan_report+0xfb/0x1e0 [ 135.395708][ T18] __msan_warning+0x5f/0xa0 [ 135.400238][ T18] r871xu_drv_init+0x1a86/0x2fe0 [ 135.405197][ T18] ? r871x_dev_unload+0x310/0x310 [ 135.410258][ T18] usb_probe_interface+0xfcc/0x1520 [ 135.415475][ T18] ? usb_register_driver+0x900/0x900 [ 135.420817][ T18] really_probe+0xe15/0x24d0 [ 135.425431][ T18] driver_probe_device+0x29d/0x3a0 [ 135.430718][ T18] __device_attach_driver+0x63f/0x830 [ 135.436112][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 135.441016][ T18] ? deferred_probe_work_func+0x400/0x400 [ 135.446770][ T18] __device_attach+0x56a/0x890 [ 135.451548][ T18] device_initial_probe+0x4a/0x60 [ 135.456595][ T18] bus_probe_device+0x17e/0x3d0 [ 135.461511][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.467407][ T18] device_add+0x2c15/0x31d0 [ 135.472010][ T18] usb_set_configuration+0x3872/0x3eb0 [ 135.477492][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 135.483061][ T18] usb_generic_driver_probe+0x138/0x300 [ 135.488618][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 135.494348][ T18] usb_probe_device+0x317/0x570 [ 135.499217][ T18] ? usb_register_device_driver+0x590/0x590 [ 135.505127][ T18] really_probe+0xe15/0x24d0 [ 135.509749][ T18] driver_probe_device+0x29d/0x3a0 [ 135.514880][ T18] __device_attach_driver+0x63f/0x830 [ 135.520276][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 135.525156][ T18] ? deferred_probe_work_func+0x400/0x400 [ 135.530896][ T18] __device_attach+0x56a/0x890 [ 135.535682][ T18] device_initial_probe+0x4a/0x60 [ 135.540726][ T18] bus_probe_device+0x17e/0x3d0 [ 135.545679][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.551509][ T18] device_add+0x2c15/0x31d0 [ 135.556032][ T18] usb_new_device+0x1bd4/0x2a30 [ 135.560995][ T18] hub_event+0x5b99/0x8870 [ 135.565447][ T18] ? kmsan_get_metadata+0x116/0x180 [ 135.570635][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.576426][ T18] ? led_work+0x780/0x780 [ 135.580741][ T18] process_one_work+0x1219/0x1fe0 [ 135.585756][ T18] worker_thread+0x10ec/0x2340 [ 135.590578][ T18] kthread+0x521/0x560 [ 135.594633][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 135.599818][ T18] ? kthread_blkcg+0x110/0x110 [ 135.604565][ T18] ret_from_fork+0x1f/0x30 [ 135.608972][ T18] [ 135.611276][ T18] Local variable ----data@usb_read8 created at: [ 135.617487][ T18] usb_read8+0x5d/0x130 [ 135.621761][ T18] usb_read8+0x5d/0x130 [ 135.625908][ T18] ===================================================== [ 135.633046][ T18] ===================================================== [ 135.639996][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 135.647301][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 135.656935][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.667079][ T18] Workqueue: usb_hub_wq hub_event [ 135.672093][ T18] Call Trace: [ 135.675357][ T18] dump_stack+0x21c/0x280 [ 135.679699][ T18] kmsan_report+0xfb/0x1e0 [ 135.684105][ T18] __msan_warning+0x5f/0xa0 [ 135.688593][ T18] r871xu_drv_init+0x2a38/0x2fe0 [ 135.693518][ T18] ? r871x_dev_unload+0x310/0x310 [ 135.698526][ T18] usb_probe_interface+0xfcc/0x1520 [ 135.703709][ T18] ? usb_register_driver+0x900/0x900 [ 135.708974][ T18] really_probe+0xe15/0x24d0 [ 135.713550][ T18] driver_probe_device+0x29d/0x3a0 [ 135.718665][ T18] __device_attach_driver+0x63f/0x830 [ 135.724024][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 135.728858][ T18] ? deferred_probe_work_func+0x400/0x400 [ 135.734561][ T18] __device_attach+0x56a/0x890 [ 135.739311][ T18] device_initial_probe+0x4a/0x60 [ 135.744336][ T18] bus_probe_device+0x17e/0x3d0 [ 135.749179][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.754977][ T18] device_add+0x2c15/0x31d0 [ 135.759467][ T18] usb_set_configuration+0x3872/0x3eb0 [ 135.764908][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 135.770446][ T18] usb_generic_driver_probe+0x138/0x300 [ 135.775990][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 135.781694][ T18] usb_probe_device+0x317/0x570 [ 135.786535][ T18] ? usb_register_device_driver+0x590/0x590 [ 135.792409][ T18] really_probe+0xe15/0x24d0 [ 135.796989][ T18] driver_probe_device+0x29d/0x3a0 [ 135.802090][ T18] __device_attach_driver+0x63f/0x830 [ 135.807447][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 135.812275][ T18] ? deferred_probe_work_func+0x400/0x400 [ 135.817975][ T18] __device_attach+0x56a/0x890 [ 135.822720][ T18] device_initial_probe+0x4a/0x60 [ 135.827731][ T18] bus_probe_device+0x17e/0x3d0 [ 135.832589][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.838393][ T18] device_add+0x2c15/0x31d0 [ 135.842876][ T18] usb_new_device+0x1bd4/0x2a30 [ 135.847713][ T18] hub_event+0x5b99/0x8870 [ 135.852122][ T18] ? kmsan_get_metadata+0x116/0x180 [ 135.857396][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.863192][ T18] ? led_work+0x780/0x780 [ 135.867506][ T18] process_one_work+0x1219/0x1fe0 [ 135.872523][ T18] worker_thread+0x10ec/0x2340 [ 135.877297][ T18] kthread+0x521/0x560 [ 135.881344][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 135.886525][ T18] ? kthread_blkcg+0x110/0x110 [ 135.891269][ T18] ret_from_fork+0x1f/0x30 [ 135.895667][ T18] [ 135.897977][ T18] Local variable ----mac@r871xu_drv_init created at: [ 135.904626][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 135.909549][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 135.914559][ T18] ===================================================== [ 135.921744][ T18] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 135.929502][ T18] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 135.946383][ T18] usb 1-1: USB disconnect, device number 2 [ 135.975079][ T2065] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 135.984152][ T2065] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 136.012081][ T2065] usb 1-1: r8712u: Firmware request failed [ 136.389136][ T18] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 136.749228][ T18] usb 1-1: config 0 has an invalid interface number: 140 but max is 0 [ 136.757586][ T18] usb 1-1: config 0 contains an unexpected descriptor of type 0x1, skipping [ 136.766613][ T18] usb 1-1: config 0 has an invalid interface association descriptor of length 2, skipping [ 136.776897][ T18] usb 1-1: config 0 has no interface number 0 [ 136.783273][ T18] usb 1-1: config 0 interface 140 altsetting 39 endpoint 0xC has invalid maxpacket 1024, setting to 64 [ 136.794595][ T18] usb 1-1: config 0 interface 140 altsetting 39 endpoint 0x9 has invalid maxpacket 1600, setting to 1024 [ 136.806093][ T18] usb 1-1: config 0 interface 140 altsetting 39 has a duplicate endpoint with address 0x89, skipping [ 136.817237][ T18] usb 1-1: config 0 interface 140 altsetting 39 bulk endpoint 0x4 has invalid maxpacket 8 [ 136.827500][ T18] usb 1-1: config 0 interface 140 altsetting 39 endpoint 0x6 has invalid maxpacket 512, setting to 64 [ 136.838691][ T18] usb 1-1: config 0 interface 140 altsetting 39 has a duplicate endpoint with address 0x8, skipping [ 136.849711][ T18] usb 1-1: config 0 interface 140 altsetting 39 has an invalid endpoint with address 0x0, skipping [ 136.860732][ T18] usb 1-1: config 0 interface 140 altsetting 39 has an invalid endpoint with address 0x0, skipping [ 136.871726][ T18] usb 1-1: config 0 interface 140 altsetting 39 has a duplicate endpoint with address 0x8, skipping [ 136.882744][ T18] usb 1-1: config 0 interface 140 has no altsetting 0 [ 136.889773][ T18] usb 1-1: New USB device found, idVendor=0409, idProduct=02b6, bcdDevice=a5.95 [ 136.899073][ T18] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 136.909765][ T18] usb 1-1: config 0 descriptor?? executing program [ 137.189605][ T18] usb 1-1: string descriptor 0 read error: -71 [ 137.203026][ T18] r8712u: register rtl8712_netdev_ops to netdev_ops [ 137.209758][ T18] usb 1-1: r8712u: USB_SPEED_HIGH with 9 endpoints [ 137.269295][ T18] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 137.274556][ C1] ===================================================== [ 137.274579][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.274602][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 137.274628][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.274652][ C1] Workqueue: usb_hub_wq hub_event [ 137.274681][ C1] Call Trace: [ 137.274694][ C1] dump_stack+0x21c/0x280 [ 137.274710][ C1] kmsan_report+0xfb/0x1e0 [ 137.274724][ C1] __msan_warning+0x5f/0xa0 [ 137.274739][ C1] string+0x573/0x6d0 [ 137.274753][ C1] vsnprintf+0x1acd/0x3600 [ 137.274768][ C1] pointer+0x1b8a/0x1ca0 [ 137.274783][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.274800][ C1] vsnprintf+0x15f2/0x3600 [ 137.274815][ C1] vprintk_store+0x2ab/0x1df0 [ 137.274830][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.274852][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.274869][ C1] vprintk_emit+0x29a/0x7f0 [ 137.274884][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 137.274899][ C1] dev_printk_emit+0x1ce/0x210 [ 137.274916][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.274933][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.274950][ C1] __dev_printk+0x3dc/0x458 [ 137.274964][ C1] _dev_info+0x1e5/0x22a [ 137.274979][ C1] ? usb_read8+0xe7/0x130 [ 137.274994][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.275010][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.275027][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 137.275043][ C1] ? r871x_dev_unload+0x310/0x310 [ 137.275059][ C1] usb_probe_interface+0xfcc/0x1520 [ 137.275075][ C1] ? usb_register_driver+0x900/0x900 [ 137.275092][ C1] really_probe+0xe15/0x24d0 [ 137.275107][ C1] driver_probe_device+0x29d/0x3a0 [ 137.275123][ C1] __device_attach_driver+0x63f/0x830 [ 137.275140][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 137.275155][ C1] ? deferred_probe_work_func+0x400/0x400 [ 137.275172][ C1] __device_attach+0x56a/0x890 [ 137.275188][ C1] device_initial_probe+0x4a/0x60 [ 137.275203][ C1] bus_probe_device+0x17e/0x3d0 [ 137.275220][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.275248][ C1] device_add+0x2c15/0x31d0 [ 137.275263][ C1] usb_set_configuration+0x3872/0x3eb0 [ 137.275279][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 137.275295][ C1] usb_generic_driver_probe+0x138/0x300 [ 137.275314][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 137.275330][ C1] usb_probe_device+0x317/0x570 [ 137.275346][ C1] ? usb_register_device_driver+0x590/0x590 [ 137.275362][ C1] really_probe+0xe15/0x24d0 [ 137.275377][ C1] driver_probe_device+0x29d/0x3a0 [ 137.275392][ C1] __device_attach_driver+0x63f/0x830 [ 137.275408][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 137.275423][ C1] ? deferred_probe_work_func+0x400/0x400 [ 137.275440][ C1] __device_attach+0x56a/0x890 [ 137.275454][ C1] device_initial_probe+0x4a/0x60 [ 137.275470][ C1] bus_probe_device+0x17e/0x3d0 [ 137.275486][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.275503][ C1] device_add+0x2c15/0x31d0 [ 137.275519][ C1] usb_new_device+0x1bd4/0x2a30 [ 137.275534][ C1] hub_event+0x5b99/0x8870 [ 137.275551][ C1] ? kmsan_get_metadata+0x116/0x180 [ 137.275567][ C1] ? kmsan_get_metadata+0x116/0x180 [ 137.275583][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.275599][ C1] ? led_work+0x780/0x780 [ 137.275613][ C1] process_one_work+0x1219/0x1fe0 [ 137.275628][ C1] worker_thread+0x12bc/0x2340 [ 137.275642][ C1] kthread+0x521/0x560 [ 137.275656][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 137.275672][ C1] ? kthread_blkcg+0x110/0x110 [ 137.275687][ C1] ret_from_fork+0x1f/0x30 [ 137.275700][ C1] [ 137.275712][ C1] Local variable ----data@usb_read8 created at: [ 137.275730][ C1] usb_read8+0x5d/0x130 [ 137.275744][ C1] usb_read8+0x5d/0x130 [ 137.275760][ C1] ===================================================== [ 137.275780][ C1] ===================================================== [ 137.275799][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.275819][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 137.275844][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.275871][ C1] Workqueue: usb_hub_wq hub_event [ 137.275896][ C1] Call Trace: [ 137.275908][ C1] dump_stack+0x21c/0x280 [ 137.275922][ C1] kmsan_report+0xfb/0x1e0 [ 137.275936][ C1] __msan_warning+0x5f/0xa0 [ 137.275950][ C1] string+0x573/0x6d0 [ 137.275964][ C1] vsnprintf+0x1acd/0x3600 [ 137.275978][ C1] pointer+0x1b8a/0x1ca0 [ 137.275992][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.276008][ C1] vsnprintf+0x15f2/0x3600 [ 137.276022][ C1] vprintk_store+0x2ab/0x1df0 [ 137.276038][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.276054][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.276070][ C1] vprintk_emit+0x29a/0x7f0 [ 137.276084][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 137.276099][ C1] dev_printk_emit+0x1ce/0x210 [ 137.276114][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.276131][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.276147][ C1] __dev_printk+0x3dc/0x458 [ 137.276161][ C1] _dev_info+0x1e5/0x22a [ 137.276175][ C1] ? usb_read8+0xe7/0x130 [ 137.276189][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.276205][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.276221][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 137.276236][ C1] ? r871x_dev_unload+0x310/0x310 [ 137.276251][ C1] usb_probe_interface+0xfcc/0x1520 [ 137.276267][ C1] ? usb_register_driver+0x900/0x900 [ 137.276283][ C1] really_probe+0xe15/0x24d0 [ 137.276297][ C1] driver_probe_device+0x29d/0x3a0 [ 137.276313][ C1] __device_attach_driver+0x63f/0x830 [ 137.276329][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 137.276344][ C1] ? deferred_probe_work_func+0x400/0x400 [ 137.276360][ C1] __device_attach+0x56a/0x890 [ 137.276375][ C1] device_initial_probe+0x4a/0x60 [ 137.276390][ C1] bus_probe_device+0x17e/0x3d0 [ 137.276406][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.276422][ C1] device_add+0x2c15/0x31d0 [ 137.276436][ C1] usb_set_configuration+0x3872/0x3eb0 [ 137.276453][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 137.276469][ C1] usb_generic_driver_probe+0x138/0x300 [ 137.276485][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 137.276502][ C1] usb_probe_device+0x317/0x570 [ 137.276517][ C1] ? usb_register_device_driver+0x590/0x590 [ 137.276534][ C1] really_probe+0xe15/0x24d0 [ 137.276548][ C1] driver_probe_device+0x29d/0x3a0 [ 137.276564][ C1] __device_attach_driver+0x63f/0x830 [ 137.276580][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 137.276595][ C1] ? deferred_probe_work_func+0x400/0x400 [ 137.276611][ C1] __device_attach+0x56a/0x890 [ 137.276626][ C1] device_initial_probe+0x4a/0x60 [ 137.276641][ C1] bus_probe_device+0x17e/0x3d0 [ 137.276657][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.276673][ C1] device_add+0x2c15/0x31d0 [ 137.276688][ C1] usb_new_device+0x1bd4/0x2a30 [ 137.276702][ C1] hub_event+0x5b99/0x8870 [ 137.276717][ C1] ? kmsan_get_metadata+0x116/0x180 [ 137.276733][ C1] ? kmsan_get_metadata+0x116/0x180 [ 137.276748][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.276764][ C1] ? led_work+0x780/0x780 [ 137.276779][ C1] process_one_work+0x1219/0x1fe0 [ 137.276794][ C1] worker_thread+0x12bc/0x2340 [ 137.276808][ C1] kthread+0x521/0x560 [ 137.276822][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 137.276838][ C1] ? kthread_blkcg+0x110/0x110 [ 137.276858][ C1] ret_from_fork+0x1f/0x30 [ 137.276871][ C1] [ 137.276883][ C1] Local variable ----data@usb_read8 created at: [ 137.276901][ C1] usb_read8+0x5d/0x130 [ 137.276915][ C1] usb_read8+0x5d/0x130 [ 137.276931][ C1] ===================================================== [ 137.276951][ C1] ===================================================== [ 137.276970][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.276990][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 137.277015][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.277038][ C1] Workqueue: usb_hub_wq hub_event [ 137.277063][ C1] Call Trace: [ 137.277076][ C1] dump_stack+0x21c/0x280 [ 137.277090][ C1] kmsan_report+0xfb/0x1e0 [ 137.277104][ C1] __msan_warning+0x5f/0xa0 [ 137.277118][ C1] string+0x573/0x6d0 [ 137.277131][ C1] vsnprintf+0x1acd/0x3600 [ 137.277145][ C1] pointer+0x1b8a/0x1ca0 [ 137.277161][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.277178][ C1] vsnprintf+0x15f2/0x3600 [ 137.277192][ C1] vprintk_store+0x2ab/0x1df0 [ 137.277207][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.277224][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.277240][ C1] vprintk_emit+0x29a/0x7f0 [ 137.277254][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 137.277269][ C1] dev_printk_emit+0x1ce/0x210 [ 137.277284][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.277300][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.277317][ C1] __dev_printk+0x3dc/0x458 [ 137.277331][ C1] _dev_info+0x1e5/0x22a [ 137.277344][ C1] ? usb_read8+0xe7/0x130 [ 137.277359][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.277374][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.277390][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 137.277406][ C1] ? r871x_dev_unload+0x310/0x310 [ 137.277421][ C1] usb_probe_interface+0xfcc/0x1520 [ 137.277436][ C1] ? usb_register_driver+0x900/0x900 [ 137.277452][ C1] really_probe+0xe15/0x24d0 [ 137.277467][ C1] driver_probe_device+0x29d/0x3a0 [ 137.277482][ C1] __device_attach_driver+0x63f/0x830 [ 137.277498][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 137.277513][ C1] ? deferred_probe_work_func+0x400/0x400 [ 137.277529][ C1] __device_attach+0x56a/0x890 [ 137.277544][ C1] device_initial_probe+0x4a/0x60 [ 137.277559][ C1] bus_probe_device+0x17e/0x3d0 [ 137.277575][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.277591][ C1] device_add+0x2c15/0x31d0 [ 137.277606][ C1] usb_set_configuration+0x3872/0x3eb0 [ 137.277622][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 137.277638][ C1] usb_generic_driver_probe+0x138/0x300 [ 137.277654][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 137.277671][ C1] usb_probe_device+0x317/0x570 [ 137.277686][ C1] ? usb_register_device_driver+0x590/0x590 [ 137.277702][ C1] really_probe+0xe15/0x24d0 [ 137.277717][ C1] driver_probe_device+0x29d/0x3a0 [ 137.277733][ C1] __device_attach_driver+0x63f/0x830 [ 137.277748][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 137.277764][ C1] ? deferred_probe_work_func+0x400/0x400 [ 137.277780][ C1] __device_attach+0x56a/0x890 [ 137.277795][ C1] device_initial_probe+0x4a/0x60 [ 137.277810][ C1] bus_probe_device+0x17e/0x3d0 [ 137.277826][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.277842][ C1] device_add+0x2c15/0x31d0 [ 137.277859][ C1] usb_new_device+0x1bd4/0x2a30 [ 137.277874][ C1] hub_event+0x5b99/0x8870 [ 137.277889][ C1] ? kmsan_get_metadata+0x116/0x180 [ 137.277904][ C1] ? kmsan_get_metadata+0x116/0x180 [ 137.277920][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.277936][ C1] ? led_work+0x780/0x780 [ 137.277951][ C1] process_one_work+0x1219/0x1fe0 [ 137.277966][ C1] worker_thread+0x12bc/0x2340 [ 137.277981][ C1] kthread+0x521/0x560 [ 137.277995][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 137.278010][ C1] ? kthread_blkcg+0x110/0x110 [ 137.278025][ C1] ret_from_fork+0x1f/0x30 [ 137.278038][ C1] [ 137.278050][ C1] Local variable ----data@usb_read8 created at: [ 137.278068][ C1] usb_read8+0x5d/0x130 [ 137.278082][ C1] usb_read8+0x5d/0x130 [ 137.278098][ C1] ===================================================== [ 137.278118][ C1] ===================================================== [ 137.278137][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.278158][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 137.278182][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.278206][ C1] Workqueue: usb_hub_wq hub_event [ 137.278231][ C1] Call Trace: [ 137.278243][ C1] dump_stack+0x21c/0x280 [ 137.278257][ C1] kmsan_report+0xfb/0x1e0 [ 137.278271][ C1] __msan_warning+0x5f/0xa0 [ 137.278285][ C1] string+0x573/0x6d0 [ 137.278299][ C1] vsnprintf+0x1acd/0x3600 [ 137.278313][ C1] pointer+0x1b8a/0x1ca0 [ 137.278328][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.278343][ C1] vsnprintf+0x15f2/0x3600 [ 137.278358][ C1] vprintk_store+0x2ab/0x1df0 [ 137.278373][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.278389][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.278406][ C1] vprintk_emit+0x29a/0x7f0 [ 137.278420][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 137.278435][ C1] dev_printk_emit+0x1ce/0x210 [ 137.278450][ C1] ? r8712_usbctrl_vend [ 137.278473][ C1] Lost 1703 message(s)! [ 138.559168][ T18] ===================================================== [ 138.566103][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 138.573409][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 138.583049][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.593107][ T18] Workqueue: usb_hub_wq hub_event [ 138.598161][ T18] Call Trace: [ 138.601485][ T18] dump_stack+0x21c/0x280 [ 138.605834][ T18] kmsan_report+0xfb/0x1e0 [ 138.610276][ T18] __msan_warning+0x5f/0xa0 [ 138.614862][ T18] r871xu_drv_init+0x1a86/0x2fe0 [ 138.619895][ T18] ? r871x_dev_unload+0x310/0x310 [ 138.624936][ T18] usb_probe_interface+0xfcc/0x1520 [ 138.630263][ T18] ? usb_register_driver+0x900/0x900 [ 138.635571][ T18] really_probe+0xe15/0x24d0 [ 138.640182][ T18] driver_probe_device+0x29d/0x3a0 [ 138.645311][ T18] __device_attach_driver+0x63f/0x830 [ 138.650837][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 138.655705][ T18] ? deferred_probe_work_func+0x400/0x400 [ 138.661445][ T18] __device_attach+0x56a/0x890 [ 138.666224][ T18] device_initial_probe+0x4a/0x60 [ 138.671392][ T18] bus_probe_device+0x17e/0x3d0 [ 138.676314][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.682146][ T18] device_add+0x2c15/0x31d0 [ 138.686672][ T18] usb_set_configuration+0x3872/0x3eb0 [ 138.692148][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 138.697727][ T18] usb_generic_driver_probe+0x138/0x300 [ 138.703286][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 138.709029][ T18] usb_probe_device+0x317/0x570 [ 138.713893][ T18] ? usb_register_device_driver+0x590/0x590 [ 138.719800][ T18] really_probe+0xe15/0x24d0 [ 138.724409][ T18] driver_probe_device+0x29d/0x3a0 [ 138.729540][ T18] __device_attach_driver+0x63f/0x830 [ 138.734927][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 138.739904][ T18] ? deferred_probe_work_func+0x400/0x400 [ 138.745642][ T18] __device_attach+0x56a/0x890 [ 138.750426][ T18] device_initial_probe+0x4a/0x60 [ 138.755478][ T18] bus_probe_device+0x17e/0x3d0 [ 138.760354][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.766195][ T18] device_add+0x2c15/0x31d0 [ 138.770739][ T18] usb_new_device+0x1bd4/0x2a30 [ 138.775610][ T18] hub_event+0x5b99/0x8870 [ 138.780044][ T18] ? kmsan_get_metadata+0x116/0x180 [ 138.785279][ T18] ? kmsan_get_metadata+0x116/0x180 [ 138.790504][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.796336][ T18] ? led_work+0x780/0x780 [ 138.800680][ T18] process_one_work+0x1219/0x1fe0 [ 138.805726][ T18] worker_thread+0x12bc/0x2340 [ 138.810482][ T18] kthread+0x521/0x560 [ 138.814536][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 138.819720][ T18] ? kthread_blkcg+0x110/0x110 [ 138.824483][ T18] ret_from_fork+0x1f/0x30 [ 138.828893][ T18] [ 138.831223][ T18] Local variable ----data@usb_read8 created at: [ 138.837450][ T18] usb_read8+0x5d/0x130 [ 138.841591][ T18] usb_read8+0x5d/0x130 [ 138.845731][ T18] ===================================================== [ 138.852801][ T18] ===================================================== [ 138.859773][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 138.867068][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 138.876801][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.886847][ T18] Workqueue: usb_hub_wq hub_event [ 138.891904][ T18] Call Trace: [ 138.895165][ T18] dump_stack+0x21c/0x280 [ 138.899594][ T18] kmsan_report+0xfb/0x1e0 [ 138.904008][ T18] __msan_warning+0x5f/0xa0 [ 138.908615][ T18] r871xu_drv_init+0x2a38/0x2fe0 [ 138.913593][ T18] ? r871x_dev_unload+0x310/0x310 [ 138.918607][ T18] usb_probe_interface+0xfcc/0x1520 [ 138.923793][ T18] ? usb_register_driver+0x900/0x900 [ 138.929078][ T18] really_probe+0xe15/0x24d0 [ 138.933673][ T18] driver_probe_device+0x29d/0x3a0 [ 138.938774][ T18] __device_attach_driver+0x63f/0x830 [ 138.944147][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 138.949027][ T18] ? deferred_probe_work_func+0x400/0x400 [ 138.954745][ T18] __device_attach+0x56a/0x890 [ 138.959498][ T18] device_initial_probe+0x4a/0x60 [ 138.964508][ T18] bus_probe_device+0x17e/0x3d0 [ 138.969348][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.975177][ T18] device_add+0x2c15/0x31d0 [ 138.979667][ T18] usb_set_configuration+0x3872/0x3eb0 [ 138.985109][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 138.990644][ T18] usb_generic_driver_probe+0x138/0x300 [ 138.996175][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 139.001894][ T18] usb_probe_device+0x317/0x570 [ 139.006728][ T18] ? usb_register_device_driver+0x590/0x590 [ 139.012727][ T18] really_probe+0xe15/0x24d0 [ 139.017309][ T18] driver_probe_device+0x29d/0x3a0 [ 139.022413][ T18] __device_attach_driver+0x63f/0x830 [ 139.027772][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 139.032613][ T18] ? deferred_probe_work_func+0x400/0x400 [ 139.038329][ T18] __device_attach+0x56a/0x890 [ 139.043078][ T18] device_initial_probe+0x4a/0x60 [ 139.048090][ T18] bus_probe_device+0x17e/0x3d0 [ 139.052927][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.058728][ T18] device_add+0x2c15/0x31d0 [ 139.063241][ T18] usb_new_device+0x1bd4/0x2a30 [ 139.068076][ T18] hub_event+0x5b99/0x8870 [ 139.072480][ T18] ? kmsan_get_metadata+0x116/0x180 [ 139.077696][ T18] ? kmsan_get_metadata+0x116/0x180 [ 139.082889][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.088701][ T18] ? led_work+0x780/0x780 [ 139.093038][ T18] process_one_work+0x1219/0x1fe0 [ 139.098079][ T18] worker_thread+0x12bc/0x2340 [ 139.102828][ T18] kthread+0x521/0x560 [ 139.106885][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 139.112094][ T18] ? kthread_blkcg+0x110/0x110 [ 139.116839][ T18] ret_from_fork+0x1f/0x30 [ 139.121243][ T18] [ 139.123540][ T18] Local variable ----mac@r871xu_drv_init created at: [ 139.130186][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 139.135150][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 139.140074][ T18] ===================================================== [ 139.147145][ T18] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 139.154781][ T18] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 139.170765][ T2065] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 139.179961][ T2065] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 139.189540][ T18] usb 1-1: USB disconnect, device number 3 [ 139.224736][ T2065] usb 1-1: r8712u: Firmware request failed [ 139.598745][ T18] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 139.958964][ T18] usb 1-1: config 0 has an invalid interface number: 140 but max is 0 [ 139.967198][ T18] usb 1-1: config 0 contains an unexpected descriptor of type 0x1, skipping [ 139.976169][ T18] usb 1-1: config 0 has an invalid interface association descriptor of length 2, skipping [ 139.986334][ T18] usb 1-1: config 0 has no interface number 0 [ 139.992721][ T18] usb 1-1: config 0 interface 140 altsetting 39 endpoint 0xC has invalid maxpacket 1024, setting to 64 [ 140.004083][ T18] usb 1-1: config 0 interface 140 altsetting 39 endpoint 0x9 has invalid maxpacket 1600, setting to 1024 [ 140.015597][ T18] usb 1-1: config 0 interface 140 altsetting 39 has a duplicate endpoint with address 0x89, skipping [ 140.026762][ T18] usb 1-1: config 0 interface 140 altsetting 39 bulk endpoint 0x4 has invalid maxpacket 8 [ 140.036880][ T18] usb 1-1: config 0 interface 140 altsetting 39 endpoint 0x6 has invalid maxpacket 512, setting to 64 [ 140.048105][ T18] usb 1-1: config 0 interface 140 altsetting 39 has a duplicate endpoint with address 0x8, skipping [ 140.059213][ T18] usb 1-1: config 0 interface 140 altsetting 39 has an invalid endpoint with address 0x0, skipping [ 140.070117][ T18] usb 1-1: config 0 interface 140 altsetting 39 has an invalid endpoint with address 0x0, skipping [ 140.081096][ T18] usb 1-1: config 0 interface 140 altsetting 39 has a duplicate endpoint with address 0x8, skipping [ 140.092011][ T18] usb 1-1: config 0 interface 140 has no altsetting 0 [ 140.099078][ T18] usb 1-1: New USB device found, idVendor=0409, idProduct=02b6, bcdDevice=a5.95 [ 140.108192][ T18] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 140.119503][ T18] usb 1-1: config 0 descriptor?? executing program [ 140.398946][ T18] usb 1-1: string descriptor 0 read error: -71 [ 140.412321][ T18] r8712u: register rtl8712_netdev_ops to netdev_ops [ 140.419088][ T18] usb 1-1: r8712u: USB_SPEED_HIGH with 9 endpoints [ 140.478923][ T18] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 140.484626][ C1] ===================================================== [ 140.484675][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.484721][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 140.484750][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.484774][ C1] Workqueue: usb_hub_wq hub_event [ 140.484804][ C1] Call Trace: [ 140.484817][ C1] dump_stack+0x21c/0x280 [ 140.484832][ C1] kmsan_report+0xfb/0x1e0 [ 140.484851][ C1] __msan_warning+0x5f/0xa0 [ 140.484867][ C1] string+0x573/0x6d0 [ 140.484881][ C1] vsnprintf+0x1acd/0x3600 [ 140.484896][ C1] pointer+0x1b8a/0x1ca0 [ 140.484911][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.484928][ C1] vsnprintf+0x15f2/0x3600 [ 140.484943][ C1] vprintk_store+0x2ab/0x1df0 [ 140.484960][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.484977][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.484994][ C1] vprintk_emit+0x29a/0x7f0 [ 140.485010][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 140.485025][ C1] dev_printk_emit+0x1ce/0x210 [ 140.485041][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.485059][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.485076][ C1] __dev_printk+0x3dc/0x458 [ 140.485091][ C1] _dev_info+0x1e5/0x22a [ 140.485105][ C1] ? usb_read8+0xe7/0x130 [ 140.485120][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.485136][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.485153][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 140.485169][ C1] ? r871x_dev_unload+0x310/0x310 [ 140.485185][ C1] usb_probe_interface+0xfcc/0x1520 [ 140.485201][ C1] ? usb_register_driver+0x900/0x900 [ 140.485217][ C1] really_probe+0xe15/0x24d0 [ 140.485233][ C1] driver_probe_device+0x29d/0x3a0 [ 140.485249][ C1] __device_attach_driver+0x63f/0x830 [ 140.485265][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 140.485281][ C1] ? deferred_probe_work_func+0x400/0x400 [ 140.485298][ C1] __device_attach+0x56a/0x890 [ 140.485314][ C1] device_initial_probe+0x4a/0x60 [ 140.485330][ C1] bus_probe_device+0x17e/0x3d0 [ 140.485346][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.485363][ C1] device_add+0x2c15/0x31d0 [ 140.485378][ C1] usb_set_configuration+0x3872/0x3eb0 [ 140.485395][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 140.485412][ C1] usb_generic_driver_probe+0x138/0x300 [ 140.485429][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 140.485446][ C1] usb_probe_device+0x317/0x570 [ 140.485462][ C1] ? usb_register_device_driver+0x590/0x590 [ 140.485479][ C1] really_probe+0xe15/0x24d0 [ 140.485494][ C1] driver_probe_device+0x29d/0x3a0 [ 140.485510][ C1] __device_attach_driver+0x63f/0x830 [ 140.485539][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 140.485555][ C1] ? deferred_probe_work_func+0x400/0x400 [ 140.485571][ C1] __device_attach+0x56a/0x890 [ 140.485586][ C1] device_initial_probe+0x4a/0x60 [ 140.485601][ C1] bus_probe_device+0x17e/0x3d0 [ 140.485617][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.485633][ C1] device_add+0x2c15/0x31d0 [ 140.485647][ C1] usb_new_device+0x1bd4/0x2a30 [ 140.485662][ C1] hub_event+0x5b99/0x8870 [ 140.485676][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.485692][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.485710][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.485743][ C1] ? led_work+0x780/0x780 [ 140.485773][ C1] process_one_work+0x1219/0x1fe0 [ 140.485806][ C1] worker_thread+0x12bc/0x2340 [ 140.485837][ C1] kthread+0x521/0x560 [ 140.485872][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 140.485893][ C1] ? kthread_blkcg+0x110/0x110 [ 140.485907][ C1] ret_from_fork+0x1f/0x30 [ 140.485920][ C1] [ 140.485933][ C1] Local variable ----data@usb_read8 created at: [ 140.485950][ C1] usb_read8+0x5d/0x130 [ 140.485965][ C1] usb_read8+0x5d/0x130 [ 140.485981][ C1] ===================================================== [ 140.486000][ C1] ===================================================== [ 140.486020][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.486040][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 140.486065][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.486087][ C1] Workqueue: usb_hub_wq hub_event [ 140.486113][ C1] Call Trace: [ 140.486126][ C1] dump_stack+0x21c/0x280 [ 140.486140][ C1] kmsan_report+0xfb/0x1e0 [ 140.486154][ C1] __msan_warning+0x5f/0xa0 [ 140.486168][ C1] string+0x573/0x6d0 [ 140.486181][ C1] vsnprintf+0x1acd/0x3600 [ 140.486195][ C1] pointer+0x1b8a/0x1ca0 [ 140.486210][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.486226][ C1] vsnprintf+0x15f2/0x3600 [ 140.486240][ C1] vprintk_store+0x2ab/0x1df0 [ 140.486255][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.486272][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.486288][ C1] vprintk_emit+0x29a/0x7f0 [ 140.486302][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 140.486317][ C1] dev_printk_emit+0x1ce/0x210 [ 140.486333][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.486349][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.486365][ C1] __dev_printk+0x3dc/0x458 [ 140.486379][ C1] _dev_info+0x1e5/0x22a [ 140.486393][ C1] ? usb_read8+0xe7/0x130 [ 140.486407][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.486423][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.486439][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 140.486454][ C1] ? r871x_dev_unload+0x310/0x310 [ 140.486470][ C1] usb_probe_interface+0xfcc/0x1520 [ 140.486485][ C1] ? usb_register_driver+0x900/0x900 [ 140.486501][ C1] really_probe+0xe15/0x24d0 [ 140.486516][ C1] driver_probe_device+0x29d/0x3a0 [ 140.486531][ C1] __device_attach_driver+0x63f/0x830 [ 140.486547][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 140.486562][ C1] ? deferred_probe_work_func+0x400/0x400 [ 140.486578][ C1] __device_attach+0x56a/0x890 [ 140.486593][ C1] device_initial_probe+0x4a/0x60 [ 140.486608][ C1] bus_probe_device+0x17e/0x3d0 [ 140.486624][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.486640][ C1] device_add+0x2c15/0x31d0 [ 140.486655][ C1] usb_set_configuration+0x3872/0x3eb0 [ 140.486671][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 140.486687][ C1] usb_generic_driver_probe+0x138/0x300 [ 140.486703][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 140.486720][ C1] usb_probe_device+0x317/0x570 [ 140.486735][ C1] ? usb_register_device_driver+0x590/0x590 [ 140.486751][ C1] really_probe+0xe15/0x24d0 [ 140.486766][ C1] driver_probe_device+0x29d/0x3a0 [ 140.486781][ C1] __device_attach_driver+0x63f/0x830 [ 140.486797][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 140.486812][ C1] ? deferred_probe_work_func+0x400/0x400 [ 140.486829][ C1] __device_attach+0x56a/0x890 [ 140.486844][ C1] device_initial_probe+0x4a/0x60 [ 140.486864][ C1] bus_probe_device+0x17e/0x3d0 [ 140.486893][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.486927][ C1] device_add+0x2c15/0x31d0 [ 140.486956][ C1] usb_new_device+0x1bd4/0x2a30 [ 140.486988][ C1] hub_event+0x5b99/0x8870 [ 140.487020][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.487050][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.487069][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.487085][ C1] ? led_work+0x780/0x780 [ 140.487099][ C1] process_one_work+0x1219/0x1fe0 [ 140.487116][ C1] worker_thread+0x12bc/0x2340 [ 140.487130][ C1] kthread+0x521/0x560 [ 140.487144][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 140.487159][ C1] ? kthread_blkcg+0x110/0x110 [ 140.487174][ C1] ret_from_fork+0x1f/0x30 [ 140.487187][ C1] [ 140.487199][ C1] Local variable ----data@usb_read8 created at: [ 140.487217][ C1] usb_read8+0x5d/0x130 [ 140.487231][ C1] usb_read8+0x5d/0x130 [ 140.487247][ C1] ===================================================== [ 140.487267][ C1] ===================================================== [ 140.487288][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.487308][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 140.487333][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.487356][ C1] Workqueue: usb_hub_wq hub_event [ 140.487382][ C1] Call Trace: [ 140.487394][ C1] dump_stack+0x21c/0x280 [ 140.487409][ C1] kmsan_report+0xfb/0x1e0 [ 140.487424][ C1] __msan_warning+0x5f/0xa0 [ 140.487438][ C1] string+0x573/0x6d0 [ 140.487452][ C1] vsnprintf+0x1acd/0x3600 [ 140.487465][ C1] pointer+0x1b8a/0x1ca0 [ 140.487480][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.487496][ C1] vsnprintf+0x15f2/0x3600 [ 140.487522][ C1] vprintk_store+0x2ab/0x1df0 [ 140.487536][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.487551][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.487566][ C1] vprintk_emit+0x29a/0x7f0 [ 140.487580][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 140.487594][ C1] dev_printk_emit+0x1ce/0x210 [ 140.487608][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.487623][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.487638][ C1] __dev_printk+0x3dc/0x458 [ 140.487652][ C1] _dev_info+0x1e5/0x22a [ 140.487665][ C1] ? usb_read8+0xe7/0x130 [ 140.487679][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.487694][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.487709][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 140.487723][ C1] ? r871x_dev_unload+0x310/0x310 [ 140.487738][ C1] usb_probe_interface+0xfcc/0x1520 [ 140.487754][ C1] ? usb_register_driver+0x900/0x900 [ 140.487769][ C1] really_probe+0xe15/0x24d0 [ 140.487782][ C1] driver_probe_device+0x29d/0x3a0 [ 140.487797][ C1] __device_attach_driver+0x63f/0x830 [ 140.487811][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 140.487826][ C1] ? deferred_probe_work_func+0x400/0x400 [ 140.487841][ C1] __device_attach+0x56a/0x890 [ 140.487859][ C1] device_initial_probe+0x4a/0x60 [ 140.487874][ C1] bus_probe_device+0x17e/0x3d0 [ 140.487888][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.487903][ C1] device_add+0x2c15/0x31d0 [ 140.487917][ C1] usb_set_configuration+0x3872/0x3eb0 [ 140.487932][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 140.487948][ C1] usb_generic_driver_probe+0x138/0x300 [ 140.487981][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 140.487997][ C1] usb_probe_device+0x317/0x570 [ 140.488013][ C1] ? usb_register_device_driver+0x590/0x590 [ 140.488029][ C1] really_probe+0xe15/0x24d0 [ 140.488057][ C1] driver_probe_device+0x29d/0x3a0 [ 140.488091][ C1] __device_attach_driver+0x63f/0x830 [ 140.488123][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 140.488156][ C1] ? deferred_probe_work_func+0x400/0x400 [ 140.488190][ C1] __device_attach+0x56a/0x890 [ 140.488209][ C1] device_initial_probe+0x4a/0x60 [ 140.488235][ C1] bus_probe_device+0x17e/0x3d0 [ 140.488250][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.488265][ C1] device_add+0x2c15/0x31d0 [ 140.488278][ C1] usb_new_device+0x1bd4/0x2a30 [ 140.488292][ C1] hub_event+0x5b99/0x8870 [ 140.488306][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.488320][ C1] ? kmsan_get_metadata+0x116/0x180 [ 140.488335][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.488350][ C1] ? led_work+0x780/0x780 [ 140.488363][ C1] process_one_work+0x1219/0x1fe0 [ 140.488377][ C1] worker_thread+0x12bc/0x2340 [ 140.488391][ C1] kthread+0x521/0x560 [ 140.488404][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 140.488418][ C1] ? kthread_blkcg+0x110/0x110 [ 140.488432][ C1] ret_from_fork+0x1f/0x30 [ 140.488444][ C1] [ 140.488456][ C1] Local variable ----data@usb_read8 created at: [ 140.488472][ C1] usb_read8+0x5d/0x130 [ 140.488485][ C1] usb_read8+0x5d/0x130 [ 140.488500][ C1] ===================================================== [ 140.488519][ C1] ===================================================== [ 140.488545][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.488585][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 140.488632][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.488678][ C1] Workqueue: usb_hub_wq hub_event [ 140.488728][ C1] Call Trace: [ 140.488752][ C1] dump_stack+0x21c/0x280 [ 140.488772][ C1] kmsan_report+0xfb/0x1e0 [ 140.488786][ C1] __msan_warning+0x5f/0xa0 [ 140.488799][ C1] string+0x573/0x6d0 [ 140.488811][ C1] vsnprintf+0x1acd/0x3600 [ 140.488824][ C1] pointer+0x1b8a/0x1ca0 [ 140.488838][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.488857][ C1] vsnprintf+0x15f2/0x3600 [ 140.488871][ C1] vprintk_store+0x2ab/0x1df0 [ 140.488885][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.488900][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.488915][ C1] vprintk_emit+0x29a/0x7f0 [ 140.488929][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 140.488943][ C1] dev_printk_emit+0x1ce/0x210 [ 140.488956][ C1] ? r8712_usbctrl_vend [ 140.488979][ C1] Lost 1703 message(s)! [ 141.772298][ T18] ===================================================== [ 141.779256][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 141.786568][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 141.796268][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.806353][ T18] Workqueue: usb_hub_wq hub_event [ 141.811401][ T18] Call Trace: [ 141.814678][ T18] dump_stack+0x21c/0x280 [ 141.819030][ T18] kmsan_report+0xfb/0x1e0 [ 141.823471][ T18] __msan_warning+0x5f/0xa0 [ 141.828005][ T18] r871xu_drv_init+0x1a86/0x2fe0 [ 141.832968][ T18] ? r871x_dev_unload+0x310/0x310 [ 141.838014][ T18] usb_probe_interface+0xfcc/0x1520 [ 141.843259][ T18] ? usb_register_driver+0x900/0x900 [ 141.848552][ T18] really_probe+0xe15/0x24d0 [ 141.853161][ T18] driver_probe_device+0x29d/0x3a0 [ 141.858290][ T18] __device_attach_driver+0x63f/0x830 [ 141.863704][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 141.868571][ T18] ? deferred_probe_work_func+0x400/0x400 [ 141.874312][ T18] __device_attach+0x56a/0x890 [ 141.879095][ T18] device_initial_probe+0x4a/0x60 [ 141.884148][ T18] bus_probe_device+0x17e/0x3d0 [ 141.889012][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.894833][ T18] device_add+0x2c15/0x31d0 [ 141.899354][ T18] usb_set_configuration+0x3872/0x3eb0 [ 141.904831][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 141.910399][ T18] usb_generic_driver_probe+0x138/0x300 [ 141.915980][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 141.921706][ T18] usb_probe_device+0x317/0x570 [ 141.926718][ T18] ? usb_register_device_driver+0x590/0x590 [ 141.932622][ T18] really_probe+0xe15/0x24d0 [ 141.937233][ T18] driver_probe_device+0x29d/0x3a0 [ 141.942472][ T18] __device_attach_driver+0x63f/0x830 [ 141.947879][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 141.952748][ T18] ? deferred_probe_work_func+0x400/0x400 [ 141.958511][ T18] __device_attach+0x56a/0x890 [ 141.963296][ T18] device_initial_probe+0x4a/0x60 [ 141.968343][ T18] bus_probe_device+0x17e/0x3d0 [ 141.973218][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.979146][ T18] device_add+0x2c15/0x31d0 [ 141.983673][ T18] usb_new_device+0x1bd4/0x2a30 [ 141.988549][ T18] hub_event+0x5b99/0x8870 [ 141.992980][ T18] ? kmsan_get_metadata+0x116/0x180 [ 141.998213][ T18] ? kmsan_get_metadata+0x116/0x180 [ 142.003416][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.009231][ T18] ? led_work+0x780/0x780 [ 142.013550][ T18] process_one_work+0x1219/0x1fe0 [ 142.018561][ T18] worker_thread+0x12bc/0x2340 [ 142.023312][ T18] kthread+0x521/0x560 [ 142.027363][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 142.032550][ T18] ? kthread_blkcg+0x110/0x110 [ 142.037299][ T18] ret_from_fork+0x1f/0x30 [ 142.041701][ T18] [ 142.044013][ T18] Local variable ----data@usb_read8 created at: [ 142.050222][ T18] usb_read8+0x5d/0x130 [ 142.054361][ T18] usb_read8+0x5d/0x130 [ 142.058517][ T18] ===================================================== [ 142.065656][ T18] ===================================================== [ 142.072604][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 142.079922][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 142.089553][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.099590][ T18] Workqueue: usb_hub_wq hub_event [ 142.104606][ T18] Call Trace: [ 142.107876][ T18] dump_stack+0x21c/0x280 [ 142.112187][ T18] kmsan_report+0xfb/0x1e0 [ 142.116588][ T18] __msan_warning+0x5f/0xa0 [ 142.121078][ T18] r871xu_drv_init+0x2a38/0x2fe0 [ 142.126000][ T18] ? r871x_dev_unload+0x310/0x310 [ 142.131100][ T18] usb_probe_interface+0xfcc/0x1520 [ 142.136285][ T18] ? usb_register_driver+0x900/0x900 [ 142.141550][ T18] really_probe+0xe15/0x24d0 [ 142.146124][ T18] driver_probe_device+0x29d/0x3a0 [ 142.151217][ T18] __device_attach_driver+0x63f/0x830 [ 142.156576][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 142.161410][ T18] ? deferred_probe_work_func+0x400/0x400 [ 142.167207][ T18] __device_attach+0x56a/0x890 [ 142.171967][ T18] device_initial_probe+0x4a/0x60 [ 142.176974][ T18] bus_probe_device+0x17e/0x3d0 [ 142.181812][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.187601][ T18] device_add+0x2c15/0x31d0 [ 142.192090][ T18] usb_set_configuration+0x3872/0x3eb0 [ 142.197547][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 142.203166][ T18] usb_generic_driver_probe+0x138/0x300 [ 142.208698][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 142.214428][ T18] usb_probe_device+0x317/0x570 [ 142.219288][ T18] ? usb_register_device_driver+0x590/0x590 [ 142.225163][ T18] really_probe+0xe15/0x24d0 [ 142.229755][ T18] driver_probe_device+0x29d/0x3a0 [ 142.234868][ T18] __device_attach_driver+0x63f/0x830 [ 142.240240][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 142.245337][ T18] ? deferred_probe_work_func+0x400/0x400 [ 142.251082][ T18] __device_attach+0x56a/0x890 [ 142.255855][ T18] device_initial_probe+0x4a/0x60 [ 142.260863][ T18] bus_probe_device+0x17e/0x3d0 [ 142.265694][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.271502][ T18] device_add+0x2c15/0x31d0 [ 142.276008][ T18] usb_new_device+0x1bd4/0x2a30 [ 142.280847][ T18] hub_event+0x5b99/0x8870 [ 142.285252][ T18] ? kmsan_get_metadata+0x116/0x180 [ 142.290466][ T18] ? kmsan_get_metadata+0x116/0x180 [ 142.295654][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.301465][ T18] ? led_work+0x780/0x780 [ 142.305774][ T18] process_one_work+0x1219/0x1fe0 [ 142.310805][ T18] worker_thread+0x12bc/0x2340 [ 142.315556][ T18] kthread+0x521/0x560 [ 142.319610][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 142.324924][ T18] ? kthread_blkcg+0x110/0x110 [ 142.329671][ T18] ret_from_fork+0x1f/0x30 [ 142.334084][ T18] [ 142.336405][ T18] Local variable ----mac@r871xu_drv_init created at: [ 142.343066][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 142.347984][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 142.352919][ T18] ===================================================== [ 142.360119][ T18] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 142.367731][ T18] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 142.386597][ T2065] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 142.395715][ T2065] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 142.414954][ T18] usb 1-1: USB disconnect, device number 4 [ 142.434500][ T2065] usb 1-1: r8712u: Firmware request failed [ 142.798497][ T18] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 143.168623][ T18] usb 1-1: config 0 has an invalid interface number: 140 but max is 0 [ 143.176862][ T18] usb 1-1: config 0 contains an unexpected descriptor of type 0x1, skipping [ 143.185849][ T18] usb 1-1: config 0 has an invalid interface association descriptor of length 2, skipping [ 143.195992][ T18] usb 1-1: config 0 has no interface number 0 [ 143.202321][ T18] usb 1-1: config 0 interface 140 altsetting 39 endpoint 0xC has invalid maxpacket 1024, setting to 64 [ 143.213649][ T18] usb 1-1: config 0 interface 140 altsetting 39 endpoint 0x9 has invalid maxpacket 1600, setting to 1024 [ 143.225129][ T18] usb 1-1: config 0 interface 140 altsetting 39 has a duplicate endpoint with address 0x89, skipping [ 143.236336][ T18] usb 1-1: config 0 interface 140 altsetting 39 bulk endpoint 0x4 has invalid maxpacket 8 [ 143.246434][ T18] usb 1-1: config 0 interface 140 altsetting 39 endpoint 0x6 has invalid maxpacket 512, setting to 64 [ 143.257647][ T18] usb 1-1: config 0 interface 140 altsetting 39 has a duplicate endpoint with address 0x8, skipping [ 143.268749][ T18] usb 1-1: config 0 interface 140 altsetting 39 has an invalid endpoint with address 0x0, skipping [ 143.279649][ T18] usb 1-1: config 0 interface 140 altsetting 39 has an invalid endpoint with address 0x0, skipping [ 143.290672][ T18] usb 1-1: config 0 interface 140 altsetting 39 has a duplicate endpoint with address 0x8, skipping [ 143.301680][ T18] usb 1-1: config 0 interface 140 has no altsetting 0 [ 143.308738][ T18] usb 1-1: New USB device found, idVendor=0409, idProduct=02b6, bcdDevice=a5.95 [ 143.317834][ T18] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 143.329898][ T18] usb 1-1: config 0 descriptor?? executing program [ 143.598703][ T18] usb 1-1: string descriptor 0 read error: -71 [ 143.612609][ T18] r8712u: register rtl8712_netdev_ops to netdev_ops [ 143.619421][ T18] usb 1-1: r8712u: USB_SPEED_HIGH with 9 endpoints [ 143.668781][ T18] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 143.678697][ C1] ===================================================== [ 143.678743][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.678784][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 143.678834][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.678880][ C1] Workqueue: usb_hub_wq hub_event [ 143.678935][ C1] Call Trace: [ 143.678960][ C1] dump_stack+0x21c/0x280 [ 143.678988][ C1] kmsan_report+0xfb/0x1e0 [ 143.679017][ C1] __msan_warning+0x5f/0xa0 [ 143.679045][ C1] string+0x573/0x6d0 [ 143.679072][ C1] vsnprintf+0x1acd/0x3600 [ 143.679117][ C1] pointer+0x1b8a/0x1ca0 [ 143.679148][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.679183][ C1] vsnprintf+0x15f2/0x3600 [ 143.679225][ C1] vprintk_store+0x2ab/0x1df0 [ 143.679256][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.679289][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.679321][ C1] vprintk_emit+0x29a/0x7f0 [ 143.679350][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 143.679385][ C1] dev_printk_emit+0x1ce/0x210 [ 143.679416][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.679450][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.679483][ C1] __dev_printk+0x3dc/0x458 [ 143.679511][ C1] _dev_info+0x1e5/0x22a [ 143.679538][ C1] ? usb_read8+0xe7/0x130 [ 143.679568][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.679600][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.679632][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 143.679661][ C1] ? r871x_dev_unload+0x310/0x310 [ 143.679690][ C1] usb_probe_interface+0xfcc/0x1520 [ 143.679721][ C1] ? usb_register_driver+0x900/0x900 [ 143.679749][ C1] really_probe+0xe15/0x24d0 [ 143.679777][ C1] driver_probe_device+0x29d/0x3a0 [ 143.679809][ C1] __device_attach_driver+0x63f/0x830 [ 143.679840][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 143.679871][ C1] ? deferred_probe_work_func+0x400/0x400 [ 143.679903][ C1] __device_attach+0x56a/0x890 [ 143.679933][ C1] device_initial_probe+0x4a/0x60 [ 143.679963][ C1] bus_probe_device+0x17e/0x3d0 [ 143.679994][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.680026][ C1] device_add+0x2c15/0x31d0 [ 143.680057][ C1] usb_set_configuration+0x3872/0x3eb0 [ 143.680088][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 143.680121][ C1] usb_generic_driver_probe+0x138/0x300 [ 143.680153][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 143.680185][ C1] usb_probe_device+0x317/0x570 [ 143.680215][ C1] ? usb_register_device_driver+0x590/0x590 [ 143.680246][ C1] really_probe+0xe15/0x24d0 [ 143.680273][ C1] driver_probe_device+0x29d/0x3a0 [ 143.680303][ C1] __device_attach_driver+0x63f/0x830 [ 143.680332][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 143.680368][ C1] ? deferred_probe_work_func+0x400/0x400 [ 143.680396][ C1] __device_attach+0x56a/0x890 [ 143.680424][ C1] device_initial_probe+0x4a/0x60 [ 143.680453][ C1] bus_probe_device+0x17e/0x3d0 [ 143.680484][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.680516][ C1] device_add+0x2c15/0x31d0 [ 143.680543][ C1] usb_new_device+0x1bd4/0x2a30 [ 143.680572][ C1] hub_event+0x5b99/0x8870 [ 143.680612][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.680642][ C1] ? kmsan_get_metadata+0x116/0x180 [ 143.680669][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.680698][ C1] ? led_work+0x780/0x780 [ 143.680723][ C1] process_one_work+0x1219/0x1fe0 [ 143.680750][ C1] worker_thread+0x12bc/0x2340 [ 143.680775][ C1] kthread+0x521/0x560 [ 143.680800][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 143.680827][ C1] ? kthread_blkcg+0x110/0x110 [ 143.680853][ C1] ret_from_fork+0x1f/0x30 [ 143.680877][ C1] [ 143.680900][ C1] Local variable ----data@usb_read8 created at: [ 143.680934][ C1] usb_read8+0x5d/0x130 [ 143.680979][ C1] usb_read8+0x5d/0x130 [ 143.681011][ C1] ===================================================== [ 143.681051][ C1] =====================================================