[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.55' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 145.058861][ T18] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 145.298876][ T18] usb 1-1: Using ep0 maxpacket: 8 [ 145.429077][ T18] usb 1-1: config 0 has an invalid interface number: 196 but max is 2 [ 145.437422][ T18] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 145.447824][ T18] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 145.456999][ T18] usb 1-1: config 0 has no interface number 0 [ 145.463367][ T18] usb 1-1: config 0 interface 196 altsetting 5 has an invalid endpoint with address 0x0, skipping [ 145.474293][ T18] usb 1-1: config 0 interface 196 altsetting 5 has 1 endpoint descriptor, different from the interface descriptor's value: 4 [ 145.487652][ T18] usb 1-1: config 0 interface 196 has no altsetting 0 [ 145.494831][ T18] usb 1-1: New USB device found, idVendor=1690, idProduct=0752, bcdDevice=7d.74 [ 145.504318][ T18] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 145.515229][ T18] usb 1-1: config 0 descriptor?? [ 145.567270][ T18] r8712u: register rtl8712_netdev_ops to netdev_ops [ 145.574324][ T18] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 145.678957][ T18] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 145.685148][ C1] ===================================================== [ 145.685176][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.685197][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Not tainted 5.11.0-rc7-syzkaller #0 [ 145.685223][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.685247][ C1] Workqueue: usb_hub_wq hub_event [ 145.685279][ C1] Call Trace: executing program [ 145.685293][ C1] dump_stack+0x21c/0x280 [ 145.685308][ C1] kmsan_report+0xfb/0x1e0 [ 145.685323][ C1] __msan_warning+0x5f/0xa0 [ 145.685338][ C1] string+0x573/0x6d0 [ 145.685352][ C1] vsnprintf+0x1acd/0x3600 [ 145.685367][ C1] pointer+0x1b8a/0x1ca0 [ 145.685382][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.685399][ C1] vsnprintf+0x15f2/0x3600 [ 145.685414][ C1] vprintk_store+0x2ab/0x1df0 [ 145.685430][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.685448][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.685465][ C1] vprintk_emit+0x29a/0x7f0 [ 145.685480][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 145.685496][ C1] dev_printk_emit+0x1ce/0x210 [ 145.685512][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.685530][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.685546][ C1] __dev_printk+0x3dc/0x458 [ 145.685561][ C1] _dev_info+0x1e5/0x22a [ 145.685576][ C1] ? usb_read8+0xe7/0x130 [ 145.685591][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.685608][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.685626][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 145.685642][ C1] ? r871x_dev_unload+0x310/0x310 [ 145.685658][ C1] usb_probe_interface+0xfcc/0x1520 [ 145.685675][ C1] ? usb_register_driver+0x900/0x900 [ 145.685691][ C1] really_probe+0xe15/0x24d0 [ 145.685707][ C1] driver_probe_device+0x29d/0x3a0 [ 145.685723][ C1] __device_attach_driver+0x63f/0x830 [ 145.685740][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 145.685756][ C1] ? deferred_probe_work_func+0x400/0x400 [ 145.685773][ C1] __device_attach+0x56a/0x890 [ 145.685789][ C1] device_initial_probe+0x4a/0x60 [ 145.685805][ C1] bus_probe_device+0x17e/0x3d0 [ 145.685822][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.685839][ C1] device_add+0x2c15/0x31d0 [ 145.685855][ C1] usb_set_configuration+0x3872/0x3eb0 [ 145.685875][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 145.685909][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.685944][ C1] usb_generic_driver_probe+0x138/0x300 [ 145.685979][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 145.686015][ C1] usb_probe_device+0x317/0x570 [ 145.686047][ C1] ? usb_register_device_driver+0x590/0x590 [ 145.686080][ C1] really_probe+0xe15/0x24d0 [ 145.686096][ C1] driver_probe_device+0x29d/0x3a0 [ 145.686112][ C1] __device_attach_driver+0x63f/0x830 [ 145.686129][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 145.686146][ C1] ? deferred_probe_work_func+0x400/0x400 [ 145.686163][ C1] __device_attach+0x56a/0x890 [ 145.686179][ C1] device_initial_probe+0x4a/0x60 [ 145.686195][ C1] bus_probe_device+0x17e/0x3d0 [ 145.686212][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.686229][ C1] device_add+0x2c15/0x31d0 [ 145.686244][ C1] usb_new_device+0x1bd4/0x2a30 [ 145.686261][ C1] hub_event+0x5b99/0x8870 [ 145.686276][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.686293][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.686310][ C1] ? led_work+0x780/0x780 [ 145.686325][ C1] process_one_work+0x1219/0x1fe0 [ 145.686341][ C1] worker_thread+0x10ec/0x2340 [ 145.686356][ C1] kthread+0x521/0x560 [ 145.686371][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 145.686387][ C1] ? kthread_blkcg+0x110/0x110 [ 145.686402][ C1] ret_from_fork+0x1f/0x30 [ 145.686416][ C1] [ 145.686429][ C1] Local variable ----data@usb_read8 created at: [ 145.686447][ C1] usb_read8+0x5d/0x130 [ 145.686462][ C1] usb_read8+0x5d/0x130 [ 145.686479][ C1] ===================================================== [ 145.686499][ C1] Disabling lock debugging due to kernel taint [ 145.686519][ C1] ===================================================== [ 145.686539][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.686560][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 145.686586][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.686609][ C1] Workqueue: usb_hub_wq hub_event [ 145.686637][ C1] Call Trace: [ 145.686649][ C1] dump_stack+0x21c/0x280 [ 145.686664][ C1] kmsan_report+0xfb/0x1e0 [ 145.686679][ C1] __msan_warning+0x5f/0xa0 [ 145.686693][ C1] string+0x573/0x6d0 [ 145.686707][ C1] vsnprintf+0x1acd/0x3600 [ 145.686722][ C1] pointer+0x1b8a/0x1ca0 [ 145.686737][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.686754][ C1] vsnprintf+0x15f2/0x3600 [ 145.686769][ C1] vprintk_store+0x2ab/0x1df0 [ 145.686785][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.686803][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.686820][ C1] vprintk_emit+0x29a/0x7f0 [ 145.686836][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 145.686851][ C1] dev_printk_emit+0x1ce/0x210 [ 145.686867][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.686884][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.686901][ C1] __dev_printk+0x3dc/0x458 [ 145.686916][ C1] _dev_info+0x1e5/0x22a [ 145.686930][ C1] ? usb_read8+0xe7/0x130 [ 145.686945][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.686961][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.686977][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 145.686993][ C1] ? r871x_dev_unload+0x310/0x310 [ 145.687009][ C1] usb_probe_interface+0xfcc/0x1520 [ 145.687025][ C1] ? usb_register_driver+0x900/0x900 [ 145.687042][ C1] really_probe+0xe15/0x24d0 [ 145.687074][ C1] driver_probe_device+0x29d/0x3a0 [ 145.687106][ C1] __device_attach_driver+0x63f/0x830 [ 145.687139][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 145.687172][ C1] ? deferred_probe_work_func+0x400/0x400 [ 145.687207][ C1] __device_attach+0x56a/0x890 [ 145.687237][ C1] device_initial_probe+0x4a/0x60 [ 145.687254][ C1] bus_probe_device+0x17e/0x3d0 [ 145.687270][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.687286][ C1] device_add+0x2c15/0x31d0 [ 145.687302][ C1] usb_set_configuration+0x3872/0x3eb0 [ 145.687318][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 145.687335][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.687353][ C1] usb_generic_driver_probe+0x138/0x300 [ 145.687371][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 145.687387][ C1] usb_probe_device+0x317/0x570 [ 145.687403][ C1] ? usb_register_device_driver+0x590/0x590 [ 145.687420][ C1] really_probe+0xe15/0x24d0 [ 145.687435][ C1] driver_probe_device+0x29d/0x3a0 [ 145.687452][ C1] __device_attach_driver+0x63f/0x830 [ 145.687468][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 145.687484][ C1] ? deferred_probe_work_func+0x400/0x400 [ 145.687501][ C1] __device_attach+0x56a/0x890 [ 145.687516][ C1] device_initial_probe+0x4a/0x60 [ 145.687532][ C1] bus_probe_device+0x17e/0x3d0 [ 145.687548][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.687565][ C1] device_add+0x2c15/0x31d0 [ 145.687581][ C1] usb_new_device+0x1bd4/0x2a30 [ 145.687596][ C1] hub_event+0x5b99/0x8870 [ 145.687611][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.687627][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.687644][ C1] ? led_work+0x780/0x780 [ 145.687659][ C1] process_one_work+0x1219/0x1fe0 [ 145.687674][ C1] worker_thread+0x10ec/0x2340 [ 145.687689][ C1] kthread+0x521/0x560 [ 145.687703][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 145.687719][ C1] ? kthread_blkcg+0x110/0x110 [ 145.687735][ C1] ret_from_fork+0x1f/0x30 [ 145.687748][ C1] [ 145.687761][ C1] Local variable ----data@usb_read8 created at: [ 145.687779][ C1] usb_read8+0x5d/0x130 [ 145.687798][ C1] usb_read8+0x5d/0x130 [ 145.687815][ C1] ===================================================== [ 145.687835][ C1] ===================================================== [ 145.687856][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.687877][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 145.687902][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.687926][ C1] Workqueue: usb_hub_wq hub_event [ 145.687953][ C1] Call Trace: [ 145.687966][ C1] dump_stack+0x21c/0x280 [ 145.687980][ C1] kmsan_report+0xfb/0x1e0 [ 145.687995][ C1] __msan_warning+0x5f/0xa0 [ 145.688010][ C1] string+0x573/0x6d0 [ 145.688023][ C1] vsnprintf+0x1acd/0x3600 [ 145.688038][ C1] pointer+0x1b8a/0x1ca0 [ 145.688053][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.688074][ C1] vsnprintf+0x15f2/0x3600 [ 145.688089][ C1] vprintk_store+0x2ab/0x1df0 [ 145.688105][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.688123][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.688139][ C1] vprintk_emit+0x29a/0x7f0 [ 145.688154][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 145.688170][ C1] dev_printk_emit+0x1ce/0x210 [ 145.688186][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.688203][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.688225][ C1] __dev_printk+0x3dc/0x458 [ 145.688255][ C1] _dev_info+0x1e5/0x22a [ 145.688284][ C1] ? usb_read8+0xe7/0x130 [ 145.688314][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.688350][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.688383][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 145.688406][ C1] ? r871x_dev_unload+0x310/0x310 [ 145.688422][ C1] usb_probe_interface+0xfcc/0x1520 [ 145.688438][ C1] ? usb_register_driver+0x900/0x900 [ 145.688455][ C1] really_probe+0xe15/0x24d0 [ 145.688470][ C1] driver_probe_device+0x29d/0x3a0 [ 145.688486][ C1] __device_attach_driver+0x63f/0x830 [ 145.688503][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 145.688519][ C1] ? deferred_probe_work_func+0x400/0x400 [ 145.688537][ C1] __device_attach+0x56a/0x890 [ 145.688563][ C1] device_initial_probe+0x4a/0x60 [ 145.688593][ C1] bus_probe_device+0x17e/0x3d0 [ 145.688621][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.688652][ C1] device_add+0x2c15/0x31d0 [ 145.688679][ C1] usb_set_configuration+0x3872/0x3eb0 [ 145.688711][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 145.688746][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.688779][ C1] usb_generic_driver_probe+0x138/0x300 [ 145.688797][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 145.688816][ C1] usb_probe_device+0x317/0x570 [ 145.688832][ C1] ? usb_register_device_driver+0x590/0x590 [ 145.688850][ C1] really_probe+0xe15/0x24d0 [ 145.688866][ C1] driver_probe_device+0x29d/0x3a0 [ 145.688882][ C1] __device_attach_driver+0x63f/0x830 [ 145.688899][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 145.688916][ C1] ? deferred_probe_work_func+0x400/0x400 [ 145.688932][ C1] __device_attach+0x56a/0x890 [ 145.688949][ C1] device_initial_probe+0x4a/0x60 [ 145.688965][ C1] bus_probe_device+0x17e/0x3d0 [ 145.688981][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.688998][ C1] device_add+0x2c15/0x31d0 [ 145.689014][ C1] usb_new_device+0x1bd4/0x2a30 [ 145.689029][ C1] hub_event+0x5b99/0x8870 [ 145.689044][ C1] ? kmsan_get_metadata+0x116/0x180 [ 145.689061][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.689083][ C1] ? led_work+0x780/0x780 [ 145.689098][ C1] process_one_work+0x1219/0x1fe0 [ 145.689115][ C1] worker_thread+0x10ec/0x2340 [ 145.689130][ C1] kthread+0x521/0x560 [ 145.689144][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 145.689160][ C1] ? kthread_blkcg+0x110/0x110 [ 145.689175][ C1] ret_from_fork+0x1f/0x30 [ 145.689189][ C1] [ 145.689202][ C1] Local variable ----data@usb_read8 created at: [ 145.689220][ C1] usb_read8+0x5d/0x130 [ 145.689235][ C1] usb_read8+0x5d/0x130 [ 145.689251][ C1] ===================================================== [ 145.689272][ C1] ===================================================== [ 145.689293][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.689314][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 145.689339][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.689364][ C1] Workqueue: usb_hub_wq hub_event [ 145.689400][ C1] Call Trace: [ 145.689427][ C1] dump_stack+0x21c/0x280 [ 145.689456][ C1] kmsan_report+0xfb/0x1e0 [ 145.689487][ C1] __msan_warning+0x5f/0xa0 [ 145.689518][ C1] string+0x573/0x6d0 [ 145.689546][ C1] vsnprintf+0x1acd/0x3600 [ 145.689574][ C1] pointer+0x1b8a/0x1ca0 [ 145.689591][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.689608][ C1] vsnprintf+0x15f2/0x3600 [ 145.689622][ C1] vprintk_store+0x2ab/0x1df0 [ 145.689638][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.689655][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.689672][ C1] vprintk_emit+0x29a/0x7f0 [ 145.689687][ C1] dev_vprintk_emit+0 [ 145.689713][ C1] Lost 1705 message(s)! [ 146.982935][ T18] ===================================================== [ 146.982950][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 146.982998][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 146.983025][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.983042][ T18] Workqueue: usb_hub_wq hub_event [ 146.983076][ T18] Call Trace: [ 146.983086][ T18] dump_stack+0x21c/0x280 [ 146.983118][ T18] kmsan_report+0xfb/0x1e0 [ 146.983154][ T18] __msan_warning+0x5f/0xa0 [ 146.983187][ T18] r871xu_drv_init+0x1a86/0x2fe0 [ 147.043581][ T18] ? r871x_dev_unload+0x310/0x310 [ 147.048658][ T18] usb_probe_interface+0xfcc/0x1520 [ 147.053896][ T18] ? usb_register_driver+0x900/0x900 [ 147.059350][ T18] really_probe+0xe15/0x24d0 [ 147.063993][ T18] driver_probe_device+0x29d/0x3a0 [ 147.069231][ T18] __device_attach_driver+0x63f/0x830 [ 147.074679][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 147.079570][ T18] ? deferred_probe_work_func+0x400/0x400 [ 147.085336][ T18] __device_attach+0x56a/0x890 [ 147.090153][ T18] device_initial_probe+0x4a/0x60 [ 147.095240][ T18] bus_probe_device+0x17e/0x3d0 [ 147.100137][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.105985][ T18] device_add+0x2c15/0x31d0 [ 147.110525][ T18] usb_set_configuration+0x3872/0x3eb0 [ 147.116019][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 147.121605][ T18] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 147.127717][ T18] usb_generic_driver_probe+0x138/0x300 [ 147.133319][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 147.139114][ T18] usb_probe_device+0x317/0x570 [ 147.144000][ T18] ? usb_register_device_driver+0x590/0x590 [ 147.149926][ T18] really_probe+0xe15/0x24d0 [ 147.154564][ T18] driver_probe_device+0x29d/0x3a0 [ 147.159713][ T18] __device_attach_driver+0x63f/0x830 [ 147.165135][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 147.170017][ T18] ? deferred_probe_work_func+0x400/0x400 [ 147.175781][ T18] __device_attach+0x56a/0x890 [ 147.180586][ T18] device_initial_probe+0x4a/0x60 [ 147.185645][ T18] bus_probe_device+0x17e/0x3d0 [ 147.190545][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.196386][ T18] device_add+0x2c15/0x31d0 [ 147.200957][ T18] usb_new_device+0x1bd4/0x2a30 [ 147.205842][ T18] hub_event+0x5b99/0x8870 [ 147.210320][ T18] ? kmsan_get_metadata+0x116/0x180 [ 147.215549][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.221387][ T18] ? led_work+0x780/0x780 [ 147.225748][ T18] process_one_work+0x1219/0x1fe0 [ 147.230819][ T18] worker_thread+0x10ec/0x2340 [ 147.235653][ T18] kthread+0x521/0x560 [ 147.239750][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 147.244988][ T18] ? kthread_blkcg+0x110/0x110 [ 147.249789][ T18] ret_from_fork+0x1f/0x30 [ 147.254265][ T18] [ 147.256599][ T18] Local variable ----data@usb_read8 created at: [ 147.262843][ T18] usb_read8+0x5d/0x130 [ 147.267035][ T18] usb_read8+0x5d/0x130 [ 147.272711][ T18] ===================================================== [ 147.279978][ T18] ===================================================== [ 147.287016][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 147.294346][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 147.304005][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.314092][ T18] Workqueue: usb_hub_wq hub_event [ 147.319170][ T18] Call Trace: [ 147.322474][ T18] dump_stack+0x21c/0x280 [ 147.326845][ T18] kmsan_report+0xfb/0x1e0 [ 147.331299][ T18] __msan_warning+0x5f/0xa0 [ 147.335864][ T18] r871xu_drv_init+0x2a38/0x2fe0 [ 147.340841][ T18] ? r871x_dev_unload+0x310/0x310 [ 147.345907][ T18] usb_probe_interface+0xfcc/0x1520 [ 147.351240][ T18] ? usb_register_driver+0x900/0x900 [ 147.356548][ T18] really_probe+0xe15/0x24d0 [ 147.361171][ T18] driver_probe_device+0x29d/0x3a0 [ 147.366403][ T18] __device_attach_driver+0x63f/0x830 [ 147.371811][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 147.376665][ T18] ? deferred_probe_work_func+0x400/0x400 [ 147.382407][ T18] __device_attach+0x56a/0x890 [ 147.387185][ T18] device_initial_probe+0x4a/0x60 [ 147.392222][ T18] bus_probe_device+0x17e/0x3d0 [ 147.397082][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.402889][ T18] device_add+0x2c15/0x31d0 [ 147.407393][ T18] usb_set_configuration+0x3872/0x3eb0 [ 147.412871][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 147.418442][ T18] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 147.424569][ T18] usb_generic_driver_probe+0x138/0x300 [ 147.430133][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 147.435962][ T18] usb_probe_device+0x317/0x570 [ 147.440813][ T18] ? usb_register_device_driver+0x590/0x590 [ 147.446714][ T18] really_probe+0xe15/0x24d0 [ 147.451312][ T18] driver_probe_device+0x29d/0x3a0 [ 147.456442][ T18] __device_attach_driver+0x63f/0x830 [ 147.461817][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 147.466682][ T18] ? deferred_probe_work_func+0x400/0x400 [ 147.472410][ T18] __device_attach+0x56a/0x890 [ 147.477194][ T18] device_initial_probe+0x4a/0x60 [ 147.482216][ T18] bus_probe_device+0x17e/0x3d0 [ 147.487065][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.492870][ T18] device_add+0x2c15/0x31d0 [ 147.497376][ T18] usb_new_device+0x1bd4/0x2a30 [ 147.502231][ T18] hub_event+0x5b99/0x8870 [ 147.506651][ T18] ? kmsan_get_metadata+0x116/0x180 [ 147.511843][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.517651][ T18] ? led_work+0x780/0x780 [ 147.521983][ T18] process_one_work+0x1219/0x1fe0 [ 147.527023][ T18] worker_thread+0x10ec/0x2340 [ 147.531832][ T18] kthread+0x521/0x560 [ 147.535914][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 147.541112][ T18] ? kthread_blkcg+0x110/0x110 [ 147.545872][ T18] ret_from_fork+0x1f/0x30 [ 147.550284][ T18] [ 147.552593][ T18] Local variable ----mac@r871xu_drv_init created at: [ 147.559246][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 147.564205][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 147.569136][ T18] ===================================================== [ 147.576248][ T18] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 147.583979][ T18] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 147.597770][ T18] usb 1-1: USB disconnect, device number 2 [ 147.621510][ T4720] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 147.630692][ T4720] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 147.661106][ T4720] usb 1-1: r8712u: Firmware request failed [ 148.028613][ T18] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 148.268577][ T18] usb 1-1: Using ep0 maxpacket: 8 [ 148.388690][ T18] usb 1-1: config 0 has an invalid interface number: 196 but max is 2 [ 148.397090][ T18] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 148.407440][ T18] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 148.416695][ T18] usb 1-1: config 0 has no interface number 0 [ 148.423253][ T18] usb 1-1: config 0 interface 196 altsetting 5 has an invalid endpoint with address 0x0, skipping [ 148.434286][ T18] usb 1-1: config 0 interface 196 altsetting 5 has 1 endpoint descriptor, different from the interface descriptor's value: 4 [ 148.448022][ T18] usb 1-1: config 0 interface 196 has no altsetting 0 [ 148.455295][ T18] usb 1-1: New USB device found, idVendor=1690, idProduct=0752, bcdDevice=7d.74 [ 148.464678][ T18] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 148.475818][ T18] usb 1-1: config 0 descriptor?? [ 148.527144][ T18] r8712u: register rtl8712_netdev_ops to netdev_ops [ 148.534249][ T18] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 148.638729][ T18] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 148.644803][ C1] ===================================================== [ 148.644829][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.644852][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 148.644879][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.644903][ C1] Workqueue: usb_hub_wq hub_event [ 148.644935][ C1] Call Trace: executing program [ 148.644951][ C1] dump_stack+0x21c/0x280 [ 148.644980][ C1] kmsan_report+0xfb/0x1e0 [ 148.645010][ C1] __msan_warning+0x5f/0xa0 [ 148.645039][ C1] string+0x573/0x6d0 [ 148.645066][ C1] vsnprintf+0x1acd/0x3600 [ 148.645092][ C1] pointer+0x1b8a/0x1ca0 [ 148.645121][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.645157][ C1] vsnprintf+0x15f2/0x3600 [ 148.645192][ C1] vprintk_store+0x2ab/0x1df0 [ 148.645216][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.645234][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.645252][ C1] vprintk_emit+0x29a/0x7f0 [ 148.645267][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 148.645284][ C1] dev_printk_emit+0x1ce/0x210 [ 148.645300][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 148.645318][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.645335][ C1] __dev_printk+0x3dc/0x458 [ 148.645350][ C1] _dev_info+0x1e5/0x22a [ 148.645365][ C1] ? usb_read8+0xe7/0x130 [ 148.645380][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 148.645397][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 148.645414][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 148.645430][ C1] ? r871x_dev_unload+0x310/0x310 [ 148.645446][ C1] usb_probe_interface+0xfcc/0x1520 [ 148.645463][ C1] ? usb_register_driver+0x900/0x900 [ 148.645479][ C1] really_probe+0xe15/0x24d0 [ 148.645495][ C1] driver_probe_device+0x29d/0x3a0 [ 148.645511][ C1] __device_attach_driver+0x63f/0x830 [ 148.645528][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 148.645544][ C1] ? deferred_probe_work_func+0x400/0x400 [ 148.645565][ C1] __device_attach+0x56a/0x890 [ 148.645581][ C1] device_initial_probe+0x4a/0x60 [ 148.645597][ C1] bus_probe_device+0x17e/0x3d0 [ 148.645614][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.645631][ C1] device_add+0x2c15/0x31d0 [ 148.645647][ C1] usb_set_configuration+0x3872/0x3eb0 [ 148.645664][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 148.645682][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 148.645700][ C1] usb_generic_driver_probe+0x138/0x300 [ 148.645717][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 148.645734][ C1] usb_probe_device+0x317/0x570 [ 148.645750][ C1] ? usb_register_device_driver+0x590/0x590 [ 148.645767][ C1] really_probe+0xe15/0x24d0 [ 148.645782][ C1] driver_probe_device+0x29d/0x3a0 [ 148.645798][ C1] __device_attach_driver+0x63f/0x830 [ 148.645815][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 148.645832][ C1] ? deferred_probe_work_func+0x400/0x400 [ 148.645849][ C1] __device_attach+0x56a/0x890 [ 148.645864][ C1] device_initial_probe+0x4a/0x60 [ 148.645880][ C1] bus_probe_device+0x17e/0x3d0 [ 148.645896][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.645913][ C1] device_add+0x2c15/0x31d0 [ 148.645928][ C1] usb_new_device+0x1bd4/0x2a30 [ 148.645944][ C1] hub_event+0x5b99/0x8870 [ 148.645959][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.645975][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.645992][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.646009][ C1] ? led_work+0x780/0x780 [ 148.646024][ C1] process_one_work+0x1219/0x1fe0 [ 148.646040][ C1] worker_thread+0x12bc/0x2340 [ 148.646055][ C1] kthread+0x521/0x560 [ 148.646070][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 148.646085][ C1] ? kthread_blkcg+0x110/0x110 [ 148.646101][ C1] ret_from_fork+0x1f/0x30 [ 148.646114][ C1] [ 148.646128][ C1] Local variable ----data@usb_read8 created at: [ 148.646146][ C1] usb_read8+0x5d/0x130 [ 148.646161][ C1] usb_read8+0x5d/0x130 [ 148.646185][ C1] ===================================================== [ 148.646226][ C1] ===================================================== [ 148.646268][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.646310][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 148.646363][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.646392][ C1] Workqueue: usb_hub_wq hub_event [ 148.646423][ C1] Call Trace: [ 148.646436][ C1] dump_stack+0x21c/0x280 [ 148.646451][ C1] kmsan_report+0xfb/0x1e0 [ 148.646466][ C1] __msan_warning+0x5f/0xa0 [ 148.646481][ C1] string+0x573/0x6d0 [ 148.646495][ C1] vsnprintf+0x1acd/0x3600 [ 148.646510][ C1] pointer+0x1b8a/0x1ca0 [ 148.646526][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.646543][ C1] vsnprintf+0x15f2/0x3600 [ 148.646563][ C1] vprintk_store+0x2ab/0x1df0 [ 148.646579][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.646596][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.646613][ C1] vprintk_emit+0x29a/0x7f0 [ 148.646629][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 148.646644][ C1] dev_printk_emit+0x1ce/0x210 [ 148.646661][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 148.646678][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.646695][ C1] __dev_printk+0x3dc/0x458 [ 148.646710][ C1] _dev_info+0x1e5/0x22a [ 148.646725][ C1] ? usb_read8+0xe7/0x130 [ 148.646740][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 148.646756][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 148.646773][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 148.646788][ C1] ? r871x_dev_unload+0x310/0x310 [ 148.646804][ C1] usb_probe_interface+0xfcc/0x1520 [ 148.646821][ C1] ? usb_register_driver+0x900/0x900 [ 148.646837][ C1] really_probe+0xe15/0x24d0 [ 148.646852][ C1] driver_probe_device+0x29d/0x3a0 [ 148.646869][ C1] __device_attach_driver+0x63f/0x830 [ 148.646885][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 148.646901][ C1] ? deferred_probe_work_func+0x400/0x400 [ 148.646917][ C1] __device_attach+0x56a/0x890 [ 148.646933][ C1] device_initial_probe+0x4a/0x60 [ 148.646949][ C1] bus_probe_device+0x17e/0x3d0 [ 148.646965][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.646982][ C1] device_add+0x2c15/0x31d0 [ 148.646997][ C1] usb_set_configuration+0x3872/0x3eb0 [ 148.647014][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 148.647032][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 148.647049][ C1] usb_generic_driver_probe+0x138/0x300 [ 148.647066][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 148.647083][ C1] usb_probe_device+0x317/0x570 [ 148.647099][ C1] ? usb_register_device_driver+0x590/0x590 [ 148.647116][ C1] really_probe+0xe15/0x24d0 [ 148.647132][ C1] driver_probe_device+0x29d/0x3a0 [ 148.647148][ C1] __device_attach_driver+0x63f/0x830 [ 148.647164][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 148.647180][ C1] ? deferred_probe_work_func+0x400/0x400 [ 148.647197][ C1] __device_attach+0x56a/0x890 [ 148.647212][ C1] device_initial_probe+0x4a/0x60 [ 148.647228][ C1] bus_probe_device+0x17e/0x3d0 [ 148.647245][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.647262][ C1] device_add+0x2c15/0x31d0 [ 148.647277][ C1] usb_new_device+0x1bd4/0x2a30 [ 148.647293][ C1] hub_event+0x5b99/0x8870 [ 148.647308][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.647324][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.647341][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.647368][ C1] ? led_work+0x780/0x780 [ 148.647398][ C1] process_one_work+0x1219/0x1fe0 [ 148.647431][ C1] worker_thread+0x12bc/0x2340 [ 148.647461][ C1] kthread+0x521/0x560 [ 148.647491][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 148.647524][ C1] ? kthread_blkcg+0x110/0x110 [ 148.647545][ C1] ret_from_fork+0x1f/0x30 [ 148.647563][ C1] [ 148.647576][ C1] Local variable ----data@usb_read8 created at: [ 148.647595][ C1] usb_read8+0x5d/0x130 [ 148.647610][ C1] usb_read8+0x5d/0x130 [ 148.647627][ C1] ===================================================== [ 148.647648][ C1] ===================================================== [ 148.647668][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.647689][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 148.647715][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.647739][ C1] Workqueue: usb_hub_wq hub_event [ 148.647767][ C1] Call Trace: [ 148.647780][ C1] dump_stack+0x21c/0x280 [ 148.647794][ C1] kmsan_report+0xfb/0x1e0 [ 148.647809][ C1] __msan_warning+0x5f/0xa0 [ 148.647824][ C1] string+0x573/0x6d0 [ 148.647838][ C1] vsnprintf+0x1acd/0x3600 [ 148.647852][ C1] pointer+0x1b8a/0x1ca0 [ 148.647868][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.647885][ C1] vsnprintf+0x15f2/0x3600 [ 148.647900][ C1] vprintk_store+0x2ab/0x1df0 [ 148.647915][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.647932][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.647949][ C1] vprintk_emit+0x29a/0x7f0 [ 148.647964][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 148.647980][ C1] dev_printk_emit+0x1ce/0x210 [ 148.647995][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 148.648013][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.648029][ C1] __dev_printk+0x3dc/0x458 [ 148.648044][ C1] _dev_info+0x1e5/0x22a [ 148.648058][ C1] ? usb_read8+0xe7/0x130 [ 148.648073][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 148.648090][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 148.648107][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 148.648123][ C1] ? r871x_dev_unload+0x310/0x310 [ 148.648140][ C1] usb_probe_interface+0xfcc/0x1520 [ 148.648156][ C1] ? usb_register_driver+0x900/0x900 [ 148.648172][ C1] really_probe+0xe15/0x24d0 [ 148.648188][ C1] driver_probe_device+0x29d/0x3a0 [ 148.648204][ C1] __device_attach_driver+0x63f/0x830 [ 148.648221][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 148.648237][ C1] ? deferred_probe_work_func+0x400/0x400 [ 148.648254][ C1] __device_attach+0x56a/0x890 [ 148.648269][ C1] device_initial_probe+0x4a/0x60 [ 148.648285][ C1] bus_probe_device+0x17e/0x3d0 [ 148.648301][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.648318][ C1] device_add+0x2c15/0x31d0 [ 148.648347][ C1] usb_set_configuration+0x3872/0x3eb0 [ 148.648378][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 148.648409][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 148.648442][ C1] usb_generic_driver_probe+0x138/0x300 [ 148.648474][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 148.648507][ C1] usb_probe_device+0x317/0x570 [ 148.648540][ C1] ? usb_register_device_driver+0x590/0x590 [ 148.648581][ C1] really_probe+0xe15/0x24d0 [ 148.648613][ C1] driver_probe_device+0x29d/0x3a0 [ 148.648646][ C1] __device_attach_driver+0x63f/0x830 [ 148.648681][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 148.648707][ C1] ? deferred_probe_work_func+0x400/0x400 [ 148.648725][ C1] __device_attach+0x56a/0x890 [ 148.648740][ C1] device_initial_probe+0x4a/0x60 [ 148.648756][ C1] bus_probe_device+0x17e/0x3d0 [ 148.648772][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.648789][ C1] device_add+0x2c15/0x31d0 [ 148.648805][ C1] usb_new_device+0x1bd4/0x2a30 [ 148.648821][ C1] hub_event+0x5b99/0x8870 [ 148.648836][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.648853][ C1] ? kmsan_get_metadata+0x116/0x180 [ 148.648870][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.648887][ C1] ? led_work+0x780/0x780 [ 148.648902][ C1] process_one_work+0x1219/0x1fe0 [ 148.648917][ C1] worker_thread+0x12bc/0x2340 [ 148.648933][ C1] kthread+0x521/0x560 [ 148.648947][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 148.648964][ C1] ? kthread_blkcg+0x110/0x110 [ 148.648979][ C1] ret_from_fork+0x1f/0x30 [ 148.649003][ C1] [ 148.649018][ C1] Local variable ----data@usb_read8 created at: [ 148.649037][ C1] usb_read8+0x5d/0x130 [ 148.649053][ C1] usb_read8+0x5d/0x130 [ 148.649070][ C1] ===================================================== [ 148.649091][ C1] ===================================================== [ 148.649112][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.649134][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 148.649161][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.649185][ C1] Workqueue: usb_hub_wq hub_event [ 148.649216][ C1] Call Trace: [ 148.649230][ C1] dump_stack+0x21c/0x280 [ 148.649244][ C1] kmsan_report+0xfb/0x1e0 [ 148.649259][ C1] __msan_warning+0x5f/0xa0 [ 148.649273][ C1] string+0x573/0x6d0 [ 148.649288][ C1] vsnprintf+0x1acd/0x3600 [ 148.649303][ C1] pointer+0x1b8a/0x1ca0 [ 148.649318][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.649335][ C1] vsnprintf+0x15f2/0x3600 [ 148.649350][ C1] vprintk_store+0x2ab/0x1df0 [ 148.649366][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.649382][ C1] ? kmsan_get_sh [ 148.649406][ C1] Lost 1730 message(s)! [ 149.947776][ T18] ===================================================== [ 149.954716][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 149.962135][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 149.971792][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.981873][ T18] Workqueue: usb_hub_wq hub_event [ 149.986947][ T18] Call Trace: [ 149.990246][ T18] dump_stack+0x21c/0x280 [ 149.994640][ T18] kmsan_report+0xfb/0x1e0 [ 149.999092][ T18] __msan_warning+0x5f/0xa0 [ 150.003639][ T18] r871xu_drv_init+0x1a86/0x2fe0 [ 150.008628][ T18] ? r871x_dev_unload+0x310/0x310 [ 150.013685][ T18] usb_probe_interface+0xfcc/0x1520 [ 150.018936][ T18] ? usb_register_driver+0x900/0x900 [ 150.024254][ T18] really_probe+0xe15/0x24d0 [ 150.028884][ T18] driver_probe_device+0x29d/0x3a0 [ 150.034045][ T18] __device_attach_driver+0x63f/0x830 [ 150.039463][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 150.044380][ T18] ? deferred_probe_work_func+0x400/0x400 [ 150.050171][ T18] __device_attach+0x56a/0x890 [ 150.054999][ T18] device_initial_probe+0x4a/0x60 [ 150.060067][ T18] bus_probe_device+0x17e/0x3d0 [ 150.064960][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.070837][ T18] device_add+0x2c15/0x31d0 [ 150.075391][ T18] usb_set_configuration+0x3872/0x3eb0 [ 150.080885][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 150.086464][ T18] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 150.092577][ T18] usb_generic_driver_probe+0x138/0x300 [ 150.098158][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 150.104007][ T18] usb_probe_device+0x317/0x570 [ 150.108893][ T18] ? usb_register_device_driver+0x590/0x590 [ 150.114821][ T18] really_probe+0xe15/0x24d0 [ 150.119641][ T18] driver_probe_device+0x29d/0x3a0 [ 150.124819][ T18] __device_attach_driver+0x63f/0x830 [ 150.130241][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 150.135147][ T18] ? deferred_probe_work_func+0x400/0x400 [ 150.140927][ T18] __device_attach+0x56a/0x890 [ 150.145745][ T18] device_initial_probe+0x4a/0x60 [ 150.150814][ T18] bus_probe_device+0x17e/0x3d0 [ 150.155702][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.161549][ T18] device_add+0x2c15/0x31d0 [ 150.166086][ T18] usb_new_device+0x1bd4/0x2a30 [ 150.170978][ T18] hub_event+0x5b99/0x8870 [ 150.175458][ T18] ? kmsan_get_metadata+0x116/0x180 [ 150.180744][ T18] ? kmsan_get_metadata+0x116/0x180 [ 150.186003][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.191877][ T18] ? led_work+0x780/0x780 [ 150.199325][ T18] process_one_work+0x1219/0x1fe0 [ 150.204418][ T18] worker_thread+0x12bc/0x2340 [ 150.209225][ T18] kthread+0x521/0x560 [ 150.213323][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 150.218555][ T18] ? kthread_blkcg+0x110/0x110 [ 150.223351][ T18] ret_from_fork+0x1f/0x30 [ 150.227804][ T18] [ 150.230161][ T18] Local variable ----data@usb_read8 created at: [ 150.236409][ T18] usb_read8+0x5d/0x130 [ 150.240607][ T18] usb_read8+0x5d/0x130 [ 150.244799][ T18] ===================================================== [ 150.252024][ T18] ===================================================== [ 150.258978][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 150.266490][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 150.276146][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.286237][ T18] Workqueue: usb_hub_wq hub_event [ 150.291323][ T18] Call Trace: [ 150.294621][ T18] dump_stack+0x21c/0x280 [ 150.298991][ T18] kmsan_report+0xfb/0x1e0 [ 150.303450][ T18] __msan_warning+0x5f/0xa0 [ 150.308079][ T18] r871xu_drv_init+0x2a38/0x2fe0 [ 150.313031][ T18] ? r871x_dev_unload+0x310/0x310 [ 150.318064][ T18] usb_probe_interface+0xfcc/0x1520 [ 150.323291][ T18] ? usb_register_driver+0x900/0x900 [ 150.328575][ T18] really_probe+0xe15/0x24d0 [ 150.333168][ T18] driver_probe_device+0x29d/0x3a0 [ 150.338285][ T18] __device_attach_driver+0x63f/0x830 [ 150.343661][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 150.348540][ T18] ? deferred_probe_work_func+0x400/0x400 [ 150.354286][ T18] __device_attach+0x56a/0x890 [ 150.359842][ T18] device_initial_probe+0x4a/0x60 [ 150.364919][ T18] bus_probe_device+0x17e/0x3d0 [ 150.369786][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.375607][ T18] device_add+0x2c15/0x31d0 [ 150.380210][ T18] usb_set_configuration+0x3872/0x3eb0 [ 150.385678][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 150.391242][ T18] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 150.397326][ T18] usb_generic_driver_probe+0x138/0x300 [ 150.402926][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 150.408644][ T18] usb_probe_device+0x317/0x570 [ 150.413494][ T18] ? usb_register_device_driver+0x590/0x590 [ 150.419401][ T18] really_probe+0xe15/0x24d0 [ 150.424017][ T18] driver_probe_device+0x29d/0x3a0 [ 150.429152][ T18] __device_attach_driver+0x63f/0x830 [ 150.434573][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 150.439431][ T18] ? deferred_probe_work_func+0x400/0x400 [ 150.445190][ T18] __device_attach+0x56a/0x890 [ 150.449984][ T18] device_initial_probe+0x4a/0x60 [ 150.455130][ T18] bus_probe_device+0x17e/0x3d0 [ 150.459981][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.465809][ T18] device_add+0x2c15/0x31d0 [ 150.470353][ T18] usb_new_device+0x1bd4/0x2a30 [ 150.475284][ T18] hub_event+0x5b99/0x8870 [ 150.479835][ T18] ? kmsan_get_metadata+0x116/0x180 [ 150.485075][ T18] ? kmsan_get_metadata+0x116/0x180 [ 150.490284][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.496185][ T18] ? led_work+0x780/0x780 [ 150.500652][ T18] process_one_work+0x1219/0x1fe0 [ 150.505726][ T18] worker_thread+0x12bc/0x2340 [ 150.510603][ T18] kthread+0x521/0x560 [ 150.514691][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 150.519908][ T18] ? kthread_blkcg+0x110/0x110 [ 150.524671][ T18] ret_from_fork+0x1f/0x30 [ 150.529100][ T18] [ 150.531415][ T18] Local variable ----mac@r871xu_drv_init created at: [ 150.538068][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 150.543022][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 150.547958][ T18] ===================================================== [ 150.555088][ T18] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 150.562862][ T18] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 150.575173][ T4720] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 150.584450][ T4720] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 150.594597][ T18] usb 1-1: USB disconnect, device number 3 [ 150.619058][ T4720] usb 1-1: r8712u: Firmware request failed [ 150.978441][ T18] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 151.238391][ T18] usb 1-1: Using ep0 maxpacket: 8 [ 151.358648][ T18] usb 1-1: config 0 has an invalid interface number: 196 but max is 2 [ 151.367207][ T18] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 151.377625][ T18] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 151.386800][ T18] usb 1-1: config 0 has no interface number 0 [ 151.393182][ T18] usb 1-1: config 0 interface 196 altsetting 5 has an invalid endpoint with address 0x0, skipping [ 151.404116][ T18] usb 1-1: config 0 interface 196 altsetting 5 has 1 endpoint descriptor, different from the interface descriptor's value: 4 [ 151.417386][ T18] usb 1-1: config 0 interface 196 has no altsetting 0 [ 151.424972][ T18] usb 1-1: New USB device found, idVendor=1690, idProduct=0752, bcdDevice=7d.74 [ 151.434290][ T18] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 151.445087][ T18] usb 1-1: config 0 descriptor?? [ 151.506410][ T18] r8712u: register rtl8712_netdev_ops to netdev_ops [ 151.513376][ T18] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 151.628582][ T18] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 151.634076][ C1] ===================================================== [ 151.634102][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 151.634124][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 151.634151][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.634176][ C1] Workqueue: usb_hub_wq hub_event [ 151.634209][ C1] Call Trace: [ 151.634223][ C1] dump_stack+0x21c/0x280 [ 151.634238][ C1] kmsan_report+0xfb/0x1e0 [ 151.634253][ C1] __msan_warning+0x5f/0xa0 [ 151.634267][ C1] string+0x573/0x6d0 [ 151.634281][ C1] vsnprintf+0x1acd/0x3600 [ 151.634296][ C1] pointer+0x1b8a/0x1ca0 [ 151.634312][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.634329][ C1] vsnprintf+0x15f2/0x3600 [ 151.634344][ C1] vprintk_store+0x2ab/0x1df0 [ 151.634359][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.634377][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.634394][ C1] vprintk_emit+0x29a/0x7f0 [ 151.634409][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 151.634425][ C1] dev_printk_emit+0x1ce/0x210 [ 151.634440][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 151.634458][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.634475][ C1] __dev_printk+0x3dc/0x458 [ 151.634490][ C1] _dev_info+0x1e5/0x22a [ 151.634504][ C1] ? usb_read8+0xe7/0x130 [ 151.634519][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 151.634536][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 151.634552][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 151.634568][ C1] ? r871x_dev_unload+0x310/0x310 [ 151.634584][ C1] usb_probe_interface+0xfcc/0x1520 [ 151.634601][ C1] ? usb_register_driver+0x900/0x900 [ 151.634618][ C1] really_probe+0xe15/0x24d0 [ 151.634634][ C1] driver_probe_device+0x29d/0x3a0 [ 151.634650][ C1] __device_attach_driver+0x63f/0x830 [ 151.634667][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 151.634683][ C1] ? deferred_probe_work_func+0x400/0x400 [ 151.634700][ C1] __device_attach+0x56a/0x890 [ 151.634716][ C1] device_initial_probe+0x4a/0x60 [ 151.634732][ C1] bus_probe_device+0x17e/0x3d0 [ 151.634748][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.634764][ C1] device_add+0x2c15/0x31d0 [ 151.634780][ C1] usb_set_configuration+0x3872/0x3eb0 [ 151.634797][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 151.634814][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 151.634832][ C1] usb_generic_driver_probe+0x138/0x300 [ 151.634849][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 151.634865][ C1] usb_probe_device+0x317/0x570 [ 151.634882][ C1] ? usb_register_device_driver+0x590/0x590 [ 151.634898][ C1] really_probe+0xe15/0x24d0 [ 151.634914][ C1] driver_probe_device+0x29d/0x3a0 [ 151.634930][ C1] __device_attach_driver+0x63f/0x830 [ 151.634947][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 151.634963][ C1] ? deferred_probe_work_func+0x400/0x400 [ 151.634980][ C1] __device_attach+0x56a/0x890 [ 151.634996][ C1] device_initial_probe+0x4a/0x60 [ 151.635012][ C1] bus_probe_device+0x17e/0x3d0 [ 151.635034][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.635051][ C1] device_add+0x2c15/0x31d0 [ 151.635066][ C1] usb_new_device+0x1bd4/0x2a30 [ 151.635082][ C1] hub_event+0x5b99/0x8870 [ 151.635097][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.635113][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.635130][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.635147][ C1] ? led_work+0x780/0x780 [ 151.635162][ C1] process_one_work+0x1219/0x1fe0 [ 151.635178][ C1] worker_thread+0x12bc/0x2340 [ 151.635193][ C1] kthread+0x521/0x560 [ 151.635207][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 151.635223][ C1] ? kthread_blkcg+0x110/0x110 [ 151.635239][ C1] ret_from_fork+0x1f/0x30 [ 151.635252][ C1] [ 151.635265][ C1] Local variable ----data@usb_read8 created at: [ 151.635283][ C1] usb_read8+0x5d/0x130 [ 151.635298][ C1] usb_read8+0x5d/0x130 [ 151.635315][ C1] ===================================================== [ 151.635336][ C1] ===================================================== [ 151.635356][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 151.635377][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 151.635403][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.635427][ C1] Workqueue: usb_hub_wq hub_event [ 151.635462][ C1] Call Trace: [ 151.635475][ C1] dump_stack+0x21c/0x280 [ 151.635490][ C1] kmsan_report+0xfb/0x1e0 [ 151.635504][ C1] __msan_warning+0x5f/0xa0 [ 151.635519][ C1] string+0x573/0x6d0 [ 151.635533][ C1] vsnprintf+0x1acd/0x3600 [ 151.635548][ C1] pointer+0x1b8a/0x1ca0 [ 151.635563][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.635580][ C1] vsnprintf+0x15f2/0x3600 [ 151.635596][ C1] vprintk_store+0x2ab/0x1df0 [ 151.635612][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.635629][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.635646][ C1] vprintk_emit+0x29a/0x7f0 [ 151.635661][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 151.635677][ C1] dev_printk_emit+0x1ce/0x210 [ 151.635693][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 151.635710][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.635727][ C1] __dev_printk+0x3dc/0x458 [ 151.635741][ C1] _dev_info+0x1e5/0x22a [ 151.635756][ C1] ? usb_read8+0xe7/0x130 [ 151.635771][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 151.635788][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 151.635804][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 151.635820][ C1] ? r871x_dev_unload+0x310/0x310 [ 151.635836][ C1] usb_probe_interface+0xfcc/0x1520 [ 151.635853][ C1] ? usb_register_driver+0x900/0x900 [ 151.635873][ C1] really_probe+0xe15/0x24d0 [ 151.635889][ C1] driver_probe_device+0x29d/0x3a0 [ 151.635905][ C1] __device_attach_driver+0x63f/0x830 [ 151.635921][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 151.635937][ C1] ? deferred_probe_work_func+0x400/0x400 [ 151.635954][ C1] __device_attach+0x56a/0x890 [ 151.635970][ C1] device_initial_probe+0x4a/0x60 [ 151.635986][ C1] bus_probe_device+0x17e/0x3d0 [ 151.636030][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.636058][ C1] device_add+0x2c15/0x31d0 [ 151.636074][ C1] usb_set_configuration+0x3872/0x3eb0 [ 151.636091][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 151.636108][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 151.636126][ C1] usb_generic_driver_probe+0x138/0x300 [ 151.636143][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 151.636160][ C1] usb_probe_device+0x317/0x570 [ 151.636176][ C1] ? usb_register_device_driver+0x590/0x590 [ 151.636194][ C1] really_probe+0xe15/0x24d0 [ 151.636210][ C1] driver_probe_device+0x29d/0x3a0 [ 151.636226][ C1] __device_attach_driver+0x63f/0x830 [ 151.636242][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 151.636258][ C1] ? deferred_probe_work_func+0x400/0x400 [ 151.636275][ C1] __device_attach+0x56a/0x890 [ 151.636291][ C1] device_initial_probe+0x4a/0x60 [ 151.636307][ C1] bus_probe_device+0x17e/0x3d0 [ 151.636323][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.636340][ C1] device_add+0x2c15/0x31d0 [ 151.636355][ C1] usb_new_device+0x1bd4/0x2a30 [ 151.636370][ C1] hub_event+0x5b99/0x8870 [ 151.636385][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.636401][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.636418][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.636434][ C1] ? led_work+0x780/0x780 [ 151.636449][ C1] process_one_work+0x1219/0x1fe0 [ 151.636465][ C1] worker_thread+0x12bc/0x2340 [ 151.636480][ C1] kthread+0x521/0x560 [ 151.636495][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 151.636511][ C1] ? kthread_blkcg+0x110/0x110 [ 151.636526][ C1] ret_from_fork+0x1f/0x30 [ 151.636540][ C1] [ 151.636553][ C1] Local variable ----data@usb_read8 created at: [ 151.636571][ C1] usb_read8+0x5d/0x130 [ 151.636586][ C1] usb_read8+0x5d/0x130 [ 151.636603][ C1] ===================================================== [ 151.636623][ C1] ===================================================== [ 151.636644][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 151.636665][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 151.636690][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.636714][ C1] Workqueue: usb_hub_wq hub_event [ 151.636740][ C1] Call Trace: [ 151.636754][ C1] dump_stack+0x21c/0x280 [ 151.636768][ C1] kmsan_report+0xfb/0x1e0 [ 151.636783][ C1] __msan_warning+0x5f/0xa0 [ 151.636797][ C1] string+0x573/0x6d0 [ 151.636811][ C1] vsnprintf+0x1acd/0x3600 [ 151.636826][ C1] pointer+0x1b8a/0x1ca0 [ 151.636841][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.636858][ C1] vsnprintf+0x15f2/0x3600 [ 151.636873][ C1] vprintk_store+0x2ab/0x1df0 [ 151.636888][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.636906][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.636922][ C1] vprintk_emit+0x29a/0x7f0 [ 151.636937][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 151.636953][ C1] dev_printk_emit+0x1ce/0x210 [ 151.636969][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 151.636986][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.637003][ C1] __dev_printk+0x3dc/0x458 [ 151.637017][ C1] _dev_info+0x1e5/0x22a [ 151.637038][ C1] ? usb_read8+0xe7/0x130 [ 151.637054][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 151.637071][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 151.637087][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 151.637103][ C1] ? r871x_dev_unload+0x310/0x310 [ 151.637119][ C1] usb_probe_interface+0xfcc/0x1520 [ 151.637135][ C1] ? usb_register_driver+0x900/0x900 [ 151.637151][ C1] really_probe+0xe15/0x24d0 [ 151.637167][ C1] driver_probe_device+0x29d/0x3a0 [ 151.637183][ C1] __device_attach_driver+0x63f/0x830 [ 151.637199][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 151.637216][ C1] ? deferred_probe_work_func+0x400/0x400 [ 151.637232][ C1] __device_attach+0x56a/0x890 [ 151.637248][ C1] device_initial_probe+0x4a/0x60 [ 151.637264][ C1] bus_probe_device+0x17e/0x3d0 [ 151.637280][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.637297][ C1] device_add+0x2c15/0x31d0 [ 151.637312][ C1] usb_set_configuration+0x3872/0x3eb0 [ 151.637329][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 151.637347][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 151.637364][ C1] usb_generic_driver_probe+0x138/0x300 [ 151.637382][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 151.637398][ C1] usb_probe_device+0x317/0x570 [ 151.637414][ C1] ? usb_register_device_driver+0x590/0x590 [ 151.637431][ C1] really_probe+0xe15/0x24d0 [ 151.637447][ C1] driver_probe_device+0x29d/0x3a0 [ 151.637463][ C1] __device_attach_driver+0x63f/0x830 [ 151.637480][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 151.637496][ C1] ? deferred_probe_work_func+0x400/0x400 [ 151.637512][ C1] __device_attach+0x56a/0x890 [ 151.637528][ C1] device_initial_probe+0x4a/0x60 [ 151.637544][ C1] bus_probe_device+0x17e/0x3d0 [ 151.637560][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.637577][ C1] device_add+0x2c15/0x31d0 [ 151.637592][ C1] usb_new_device+0x1bd4/0x2a30 [ 151.637607][ C1] hub_event+0x5b99/0x8870 [ 151.637622][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.637638][ C1] ? kmsan_get_metadata+0x116/0x180 [ 151.637655][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.637671][ C1] ? led_work+0x780/0x780 [ 151.637686][ C1] process_one_work+0x1219/0x1fe0 [ 151.637702][ C1] worker_thread+0x12bc/0x2340 [ 151.637717][ C1] kthread+0x521/0x560 [ 151.637736][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 151.637752][ C1] ? kthread_blkcg+0x110/0x110 [ 151.637767][ C1] ret_from_fork+0x1f/0x30 [ 151.637781][ C1] [ 151.637794][ C1] Local variable ----data@usb_read8 created at: [ 151.637812][ C1] usb_read8+0x5d/0x130 [ 151.637827][ C1] usb_read8+0x5d/0x130 [ 151.637844][ C1] ===================================================== [ 151.637865][ C1] ===================================================== [ 151.637885][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 151.637906][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 151.637932][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 151.637955][ C1] Workqueue: usb_hub_wq hub_event [ 151.637982][ C1] Call Trace: [ 151.637995][ C1] dump_stack+0x21c/0x280 [ 151.638010][ C1] kmsan_report+0xfb/0x1e0 [ 151.638029][ C1] __msan_warning+0x5f/0xa0 [ 151.638044][ C1] string+0x573/0x6d0 [ 151.638058][ C1] vsnprintf+0x1acd/0x3600 [ 151.638073][ C1] pointer+0x1b8a/0x1ca0 [ 151.638088][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.638105][ C1] vsnprintf+0x15f2/0x3600 [ 151.638120][ C1] vprintk_store+0x2ab/0x1df0 [ 151.638136][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 151.638152][ C1] ? kmsan_get_sh [ 151.638176][ C1] Lost 1730 message(s)! [ 152.918131][ T18] ===================================================== [ 152.925070][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 152.932397][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 152.942057][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.952132][ T18] Workqueue: usb_hub_wq hub_event [ 152.957195][ T18] Call Trace: [ 152.960480][ T18] dump_stack+0x21c/0x280 [ 152.964836][ T18] kmsan_report+0xfb/0x1e0 [ 152.969277][ T18] __msan_warning+0x5f/0xa0 [ 152.973805][ T18] r871xu_drv_init+0x1a86/0x2fe0 [ 152.978777][ T18] ? r871x_dev_unload+0x310/0x310 [ 152.983828][ T18] usb_probe_interface+0xfcc/0x1520 [ 152.989056][ T18] ? usb_register_driver+0x900/0x900 [ 152.994377][ T18] really_probe+0xe15/0x24d0 [ 152.999040][ T18] driver_probe_device+0x29d/0x3a0 [ 153.004180][ T18] __device_attach_driver+0x63f/0x830 [ 153.009591][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 153.014474][ T18] ? deferred_probe_work_func+0x400/0x400 [ 153.020236][ T18] __device_attach+0x56a/0x890 [ 153.025032][ T18] device_initial_probe+0x4a/0x60 [ 153.030118][ T18] bus_probe_device+0x17e/0x3d0 [ 153.034998][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.040834][ T18] device_add+0x2c15/0x31d0 [ 153.045367][ T18] usb_set_configuration+0x3872/0x3eb0 [ 153.050854][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 153.056429][ T18] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 153.062541][ T18] usb_generic_driver_probe+0x138/0x300 [ 153.068128][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 153.073968][ T18] usb_probe_device+0x317/0x570 [ 153.078864][ T18] ? usb_register_device_driver+0x590/0x590 [ 153.084788][ T18] really_probe+0xe15/0x24d0 [ 153.089414][ T18] driver_probe_device+0x29d/0x3a0 [ 153.094553][ T18] __device_attach_driver+0x63f/0x830 [ 153.100165][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 153.105038][ T18] ? deferred_probe_work_func+0x400/0x400 [ 153.110801][ T18] __device_attach+0x56a/0x890 [ 153.115666][ T18] device_initial_probe+0x4a/0x60 [ 153.120803][ T18] bus_probe_device+0x17e/0x3d0 [ 153.125824][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.132183][ T18] device_add+0x2c15/0x31d0 [ 153.136723][ T18] usb_new_device+0x1bd4/0x2a30 [ 153.141608][ T18] hub_event+0x5b99/0x8870 [ 153.146140][ T18] ? kmsan_get_metadata+0x116/0x180 [ 153.151357][ T18] ? kmsan_get_metadata+0x116/0x180 [ 153.156563][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.162381][ T18] ? led_work+0x780/0x780 [ 153.166719][ T18] process_one_work+0x1219/0x1fe0 [ 153.171755][ T18] worker_thread+0x12bc/0x2340 [ 153.176618][ T18] kthread+0x521/0x560 [ 153.180702][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 153.185935][ T18] ? kthread_blkcg+0x110/0x110 [ 153.190724][ T18] ret_from_fork+0x1f/0x30 executing program [ 153.195167][ T18] [ 153.197484][ T18] Local variable ----data@usb_read8 created at: [ 153.203710][ T18] usb_read8+0x5d/0x130 [ 153.207874][ T18] usb_read8+0x5d/0x130 [ 153.212031][ T18] ===================================================== [ 153.219520][ T18] ===================================================== [ 153.226467][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 153.233797][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 153.243458][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 153.253543][ T18] Workqueue: usb_hub_wq hub_event [ 153.258620][ T18] Call Trace: [ 153.261919][ T18] dump_stack+0x21c/0x280 [ 153.266325][ T18] kmsan_report+0xfb/0x1e0 [ 153.270843][ T18] __msan_warning+0x5f/0xa0 [ 153.275390][ T18] r871xu_drv_init+0x2a38/0x2fe0 [ 153.280369][ T18] ? r871x_dev_unload+0x310/0x310 [ 153.285441][ T18] usb_probe_interface+0xfcc/0x1520 [ 153.290684][ T18] ? usb_register_driver+0x900/0x900 [ 153.296028][ T18] really_probe+0xe15/0x24d0 [ 153.300668][ T18] driver_probe_device+0x29d/0x3a0 [ 153.305822][ T18] __device_attach_driver+0x63f/0x830 [ 153.311246][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 153.316136][ T18] ? deferred_probe_work_func+0x400/0x400 [ 153.322020][ T18] __device_attach+0x56a/0x890 [ 153.326817][ T18] device_initial_probe+0x4a/0x60 [ 153.331880][ T18] bus_probe_device+0x17e/0x3d0 [ 153.336739][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.342619][ T18] device_add+0x2c15/0x31d0 [ 153.347141][ T18] usb_set_configuration+0x3872/0x3eb0 [ 153.352612][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 153.358161][ T18] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 153.364342][ T18] usb_generic_driver_probe+0x138/0x300 [ 153.369891][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 153.375605][ T18] usb_probe_device+0x317/0x570 [ 153.380450][ T18] ? usb_register_device_driver+0x590/0x590 [ 153.386336][ T18] really_probe+0xe15/0x24d0 [ 153.390967][ T18] driver_probe_device+0x29d/0x3a0 [ 153.396074][ T18] __device_attach_driver+0x63f/0x830 [ 153.401456][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 153.406415][ T18] ? deferred_probe_work_func+0x400/0x400 [ 153.412131][ T18] __device_attach+0x56a/0x890 [ 153.416889][ T18] device_initial_probe+0x4a/0x60 [ 153.422009][ T18] bus_probe_device+0x17e/0x3d0 [ 153.426861][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.432696][ T18] device_add+0x2c15/0x31d0 [ 153.437209][ T18] usb_new_device+0x1bd4/0x2a30 [ 153.442070][ T18] hub_event+0x5b99/0x8870 [ 153.446484][ T18] ? kmsan_get_metadata+0x116/0x180 [ 153.451704][ T18] ? kmsan_get_metadata+0x116/0x180 [ 153.456901][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 153.463488][ T18] ? led_work+0x780/0x780 [ 153.467841][ T18] process_one_work+0x1219/0x1fe0 [ 153.473387][ T18] worker_thread+0x12bc/0x2340 [ 153.478152][ T18] kthread+0x521/0x560 [ 153.482225][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 153.487422][ T18] ? kthread_blkcg+0x110/0x110 [ 153.492181][ T18] ret_from_fork+0x1f/0x30 [ 153.496695][ T18] [ 153.499004][ T18] Local variable ----mac@r871xu_drv_init created at: [ 153.505658][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 153.510591][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 153.515616][ T18] ===================================================== [ 153.522904][ T18] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 153.530655][ T18] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 153.545596][ T4720] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 153.554882][ T4720] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 153.564653][ T18] usb 1-1: USB disconnect, device number 4 [ 153.593758][ T4720] usb 1-1: r8712u: Firmware request failed [ 153.958704][ T18] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 154.198679][ T18] usb 1-1: Using ep0 maxpacket: 8 [ 154.338844][ T18] usb 1-1: config 0 has an invalid interface number: 196 but max is 2 [ 154.347295][ T18] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 154.357662][ T18] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 154.367415][ T18] usb 1-1: config 0 has no interface number 0 [ 154.374340][ T18] usb 1-1: config 0 interface 196 altsetting 5 has an invalid endpoint with address 0x0, skipping [ 154.385352][ T18] usb 1-1: config 0 interface 196 altsetting 5 has 1 endpoint descriptor, different from the interface descriptor's value: 4 [ 154.398711][ T18] usb 1-1: config 0 interface 196 has no altsetting 0 [ 154.405634][ T18] usb 1-1: New USB device found, idVendor=1690, idProduct=0752, bcdDevice=7d.74 [ 154.415007][ T18] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 154.425982][ T18] usb 1-1: config 0 descriptor?? [ 154.477266][ T18] r8712u: register rtl8712_netdev_ops to netdev_ops [ 154.484216][ T18] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 154.588855][ T18] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 154.594406][ C1] ===================================================== [ 154.594432][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 154.594455][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 154.594482][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.594507][ C1] Workqueue: usb_hub_wq hub_event [ 154.594539][ C1] Call Trace: [ 154.594553][ C1] dump_stack+0x21c/0x280 [ 154.594568][ C1] kmsan_report+0xfb/0x1e0 [ 154.594583][ C1] __msan_warning+0x5f/0xa0 [ 154.594598][ C1] string+0x573/0x6d0 [ 154.594612][ C1] vsnprintf+0x1acd/0x3600 [ 154.594627][ C1] pointer+0x1b8a/0x1ca0 [ 154.594642][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.594660][ C1] vsnprintf+0x15f2/0x3600 [ 154.594675][ C1] vprintk_store+0x2ab/0x1df0 [ 154.594691][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.594709][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.594726][ C1] vprintk_emit+0x29a/0x7f0 [ 154.594741][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 154.594757][ C1] dev_printk_emit+0x1ce/0x210 [ 154.594773][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 154.594790][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.594807][ C1] __dev_printk+0x3dc/0x458 [ 154.594822][ C1] _dev_info+0x1e5/0x22a [ 154.594836][ C1] ? usb_read8+0xe7/0x130 [ 154.594852][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 154.594868][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 154.594885][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 154.594901][ C1] ? r871x_dev_unload+0x310/0x310 [ 154.594918][ C1] usb_probe_interface+0xfcc/0x1520 [ 154.594934][ C1] ? usb_register_driver+0x900/0x900 [ 154.594951][ C1] really_probe+0xe15/0x24d0 [ 154.594967][ C1] driver_probe_device+0x29d/0x3a0 [ 154.594983][ C1] __device_attach_driver+0x63f/0x830 [ 154.594999][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 154.595016][ C1] ? deferred_probe_work_func+0x400/0x400 [ 154.595032][ C1] __device_attach+0x56a/0x890 [ 154.595048][ C1] device_initial_probe+0x4a/0x60 [ 154.595064][ C1] bus_probe_device+0x17e/0x3d0 [ 154.595080][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.595096][ C1] device_add+0x2c15/0x31d0 [ 154.595112][ C1] usb_set_configuration+0x3872/0x3eb0 [ 154.595128][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 154.595146][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 154.595163][ C1] usb_generic_driver_probe+0x138/0x300 [ 154.595186][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 154.595202][ C1] usb_probe_device+0x317/0x570 [ 154.595219][ C1] ? usb_register_device_driver+0x590/0x590 [ 154.595236][ C1] really_probe+0xe15/0x24d0 [ 154.595251][ C1] driver_probe_device+0x29d/0x3a0 [ 154.595267][ C1] __device_attach_driver+0x63f/0x830 [ 154.595284][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 154.595300][ C1] ? deferred_probe_work_func+0x400/0x400 [ 154.595317][ C1] __device_attach+0x56a/0x890 [ 154.595332][ C1] device_initial_probe+0x4a/0x60 [ 154.595348][ C1] bus_probe_device+0x17e/0x3d0 [ 154.595364][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.595381][ C1] device_add+0x2c15/0x31d0 [ 154.595396][ C1] usb_new_device+0x1bd4/0x2a30 [ 154.595411][ C1] hub_event+0x5b99/0x8870 [ 154.595426][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.595443][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.595459][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.595476][ C1] ? led_work+0x780/0x780 [ 154.595491][ C1] process_one_work+0x1219/0x1fe0 [ 154.595506][ C1] worker_thread+0x12bc/0x2340 [ 154.595521][ C1] kthread+0x521/0x560 [ 154.595536][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 154.595552][ C1] ? kthread_blkcg+0x110/0x110 [ 154.595568][ C1] ret_from_fork+0x1f/0x30 [ 154.595581][ C1] [ 154.595595][ C1] Local variable ----data@usb_read8 created at: [ 154.595613][ C1] usb_read8+0x5d/0x130 [ 154.595634][ C1] usb_read8+0x5d/0x130 [ 154.595651][ C1] ===================================================== [ 154.595671][ C1] ===================================================== [ 154.595698][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 154.595720][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 154.595745][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.595769][ C1] Workqueue: usb_hub_wq hub_event [ 154.595795][ C1] Call Trace: [ 154.595809][ C1] dump_stack+0x21c/0x280 [ 154.595823][ C1] kmsan_report+0xfb/0x1e0 [ 154.595838][ C1] __msan_warning+0x5f/0xa0 [ 154.595853][ C1] string+0x573/0x6d0 [ 154.595867][ C1] vsnprintf+0x1acd/0x3600 [ 154.595882][ C1] pointer+0x1b8a/0x1ca0 [ 154.595897][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.595915][ C1] vsnprintf+0x15f2/0x3600 [ 154.595929][ C1] vprintk_store+0x2ab/0x1df0 [ 154.595945][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.595963][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.595980][ C1] vprintk_emit+0x29a/0x7f0 [ 154.595995][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 154.596010][ C1] dev_printk_emit+0x1ce/0x210 [ 154.596026][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 154.596044][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.596061][ C1] __dev_printk+0x3dc/0x458 [ 154.596076][ C1] _dev_info+0x1e5/0x22a [ 154.596091][ C1] ? usb_read8+0xe7/0x130 [ 154.596106][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 154.596124][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 154.596140][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 154.596156][ C1] ? r871x_dev_unload+0x310/0x310 [ 154.596177][ C1] usb_probe_interface+0xfcc/0x1520 [ 154.596194][ C1] ? usb_register_driver+0x900/0x900 [ 154.596210][ C1] really_probe+0xe15/0x24d0 [ 154.596225][ C1] driver_probe_device+0x29d/0x3a0 [ 154.596242][ C1] __device_attach_driver+0x63f/0x830 [ 154.596258][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 154.596274][ C1] ? deferred_probe_work_func+0x400/0x400 [ 154.596291][ C1] __device_attach+0x56a/0x890 [ 154.596306][ C1] device_initial_probe+0x4a/0x60 [ 154.596322][ C1] bus_probe_device+0x17e/0x3d0 [ 154.596338][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.596355][ C1] device_add+0x2c15/0x31d0 [ 154.596371][ C1] usb_set_configuration+0x3872/0x3eb0 [ 154.596387][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 154.596404][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 154.596423][ C1] usb_generic_driver_probe+0x138/0x300 [ 154.596440][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 154.596458][ C1] usb_probe_device+0x317/0x570 [ 154.596474][ C1] ? usb_register_device_driver+0x590/0x590 [ 154.596491][ C1] really_probe+0xe15/0x24d0 [ 154.596507][ C1] driver_probe_device+0x29d/0x3a0 [ 154.596523][ C1] __device_attach_driver+0x63f/0x830 [ 154.596540][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 154.596556][ C1] ? deferred_probe_work_func+0x400/0x400 [ 154.596573][ C1] __device_attach+0x56a/0x890 [ 154.596589][ C1] device_initial_probe+0x4a/0x60 [ 154.596605][ C1] bus_probe_device+0x17e/0x3d0 [ 154.596621][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.596638][ C1] device_add+0x2c15/0x31d0 [ 154.596653][ C1] usb_new_device+0x1bd4/0x2a30 [ 154.596668][ C1] hub_event+0x5b99/0x8870 [ 154.596683][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.596699][ C1] ? kmsan_get_metadata+0x116/0x180 [ 154.596716][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.596733][ C1] ? led_work+0x780/0x780 [ 154.596747][ C1] process_one_work+0x1219/0x1fe0 [ 154.596764][ C1] worker_thread+0x12bc/0x2340 [ 154.596779][ C1] kthread+0x521/0x560 [ 154.596793][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 154.596810][ C1] ? kthread_blkcg+0x110/0x110 [ 154.596825][ C1] ret_from_fork+0x1f/0x30 [ 154.596839][ C1] [ 154.596852][ C1] Local variable ----data@usb_read8 created at: [ 154.596870][ C1] usb_read8+0x5d/0x130 [ 154.596885][ C1] usb_read8+0x5d/0x130 [ 154.596901][ C1] ===================================================== [ 154.596922][ C1] ===================================================== [ 154.596942][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 154.596963][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 154.596989][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.597013][ C1] Workqueue: usb_hub_wq hub_event [ 154.597040][ C1] Call Trace: [ 154.597053][ C1] dump_stack+0x21c/0x280 [ 154.597068][ C1] kmsan_report+0xfb/0x1e0 [ 154.597082][ C1] __msan_warning+0x5f/0xa0 [ 154.597097][ C1] string+0x573/0x6d0 [ 154.597111][ C1] vsnprintf+0x1acd/0x3600 [ 154.597125][ C1] pointer+0x1b8a/0x1ca0 [ 154.597141][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.597157][ C1] vsnprintf+0x15f2/0x3600 [ 154.597176][ C1] vprintk_store+0x2ab/0x1df0 [ 154.597193][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 154.597210][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.597227][ C1] vprintk_emit+0x29a/0x7f0 [ 154.597242][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 154.597260][ C1] dev_printk_emit+0x1ce/0x210 [ 154.597277][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 154.597294][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.597312][ C1] __dev_printk+0x3dc/0x458 [ 154.597327][ C1] _dev_info+0x1e5/0x22a [ 154.597342][ C1] ? usb_read8+0xe7/0x130 [ 154.597357][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 154.597373][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 154.597390][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 154.597406][ C1] ? r871x_dev_unload+0x310/0x310 [ 154.597421][ C1] usb_probe_interface+0xfcc/0x1520 [ 154.597438][ C1] ? usb_register_driver+0x900/0x900 [ 154.597454][ C1] really_probe+0xe15/0x24d0 [ 154.597469][ C1] driver_probe_device+0x29d/0x3a0 [ 154.597485][ C1] __device_attach_driver+0x63f/0x830 [ 154.597501][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 154.597518][ C1] ? deferred_probe_work_func+0x400/0x400 [ 154.597535][ C1] __device_attach+0x56a/0x890 [ 154.597550][ C1] device_initial_probe+0x4a/0x60 [ 154.597566][ C1] bus_probe_device+0x17e/0x3d0 [ 154.597583][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.597599][ C1] device_add+0x2c15/0x31d0 [ 154.597615][ C1] usb_set_configuration+0x3872/0x3eb0 [ 154.597636][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 154.597654][ C1] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 154.597672][ C1] usb_generic_driver_probe+0x138/0x300 [ 154.597690][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 154.597707][ C1] usb_probe_device+0x317/0x570 [ 154.597723][ C1] ? usb_register_device_driver+0x590/0x590 [ 154.597741][ C1] really_probe+0xe15/0x24d0 [ 154.597757][ C1] driver_probe_device+0x29d/0x3a0 [ 154.597773][ C1] __device_attach_driver+0x63f/0x830 [ 154.597790][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 154.597806][ C1] ? deferred_probe_work_func+0x400/0x400 [ 154.597824][ C1] __device_attach+0x56a/0x890 [ 154.597840][ C1] device_initial_probe+0x4a/0x60 [ 154.597860][ C1] bus_probe_device+0x17e/0x3d0 [ 154.597876][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 154.597893][ C1] device_add+0x2c15/0x31d0 [ 154.597909][ C1] usb_new_device+0x1bd4/0x2a30