[ *** ] A start job is running for OpenBSD …Shell server (1min 27s / 2min 43s)[ ***] A start job is running for OpenBSD …Shell server (1min 28s / 2min 57s)[ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.252' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 141.623486][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 141.984134][ T7] usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 141.995026][ T7] usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 142.163545][ T7] usb 1-1: New USB device found, idVendor=06f8, idProduct=e031, bcdDevice=d4.eb [ 142.173163][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 142.181830][ T7] usb 1-1: Product: syz [ 142.186666][ T7] usb 1-1: Manufacturer: syz [ 142.191534][ T7] usb 1-1: SerialNumber: syz [ 142.200184][ T7] usb 1-1: config 0 descriptor?? [ 142.251127][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 142.258327][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 142.363529][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 142.369640][ C0] ===================================================== [ 142.369666][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 142.369687][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.11.0-rc7-syzkaller #0 [ 142.369712][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.369736][ C0] Workqueue: usb_hub_wq hub_event [ 142.369766][ C0] Call Trace: executing program [ 142.369790][ C0] dump_stack+0x21c/0x280 [ 142.369820][ C0] kmsan_report+0xfb/0x1e0 [ 142.369850][ C0] __msan_warning+0x5f/0xa0 [ 142.369881][ C0] string+0x573/0x6d0 [ 142.369910][ C0] vsnprintf+0x1acd/0x3600 [ 142.369958][ C0] pointer+0x1b8a/0x1ca0 [ 142.369982][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.370000][ C0] vsnprintf+0x15f2/0x3600 [ 142.370015][ C0] vprintk_store+0x2ab/0x1df0 [ 142.370031][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.370049][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.370066][ C0] vprintk_emit+0x29a/0x7f0 [ 142.370081][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 142.370100][ C0] dev_printk_emit+0x1ce/0x210 [ 142.370118][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 142.370135][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.370152][ C0] __dev_printk+0x3dc/0x458 [ 142.370168][ C0] _dev_info+0x1e5/0x22a [ 142.370182][ C0] ? usb_read8+0xe7/0x130 [ 142.370198][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 142.370214][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 142.370231][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 142.370247][ C0] ? r871x_dev_unload+0x310/0x310 [ 142.370263][ C0] usb_probe_interface+0xfcc/0x1520 [ 142.370280][ C0] ? usb_register_driver+0x900/0x900 [ 142.370296][ C0] really_probe+0xe15/0x24d0 [ 142.370312][ C0] driver_probe_device+0x29d/0x3a0 [ 142.370328][ C0] __device_attach_driver+0x63f/0x830 [ 142.370345][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.370361][ C0] ? deferred_probe_work_func+0x400/0x400 [ 142.370378][ C0] __device_attach+0x56a/0x890 [ 142.370394][ C0] device_initial_probe+0x4a/0x60 [ 142.370409][ C0] bus_probe_device+0x17e/0x3d0 [ 142.370426][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.370443][ C0] device_add+0x2c15/0x31d0 [ 142.370459][ C0] usb_set_configuration+0x3872/0x3eb0 [ 142.370476][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 142.370493][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 142.370511][ C0] usb_generic_driver_probe+0x138/0x300 [ 142.370528][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 142.370545][ C0] usb_probe_device+0x317/0x570 [ 142.370562][ C0] ? usb_register_device_driver+0x590/0x590 [ 142.370584][ C0] really_probe+0xe15/0x24d0 [ 142.370599][ C0] driver_probe_device+0x29d/0x3a0 [ 142.370616][ C0] __device_attach_driver+0x63f/0x830 [ 142.370632][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.370649][ C0] ? deferred_probe_work_func+0x400/0x400 [ 142.370665][ C0] __device_attach+0x56a/0x890 [ 142.370681][ C0] device_initial_probe+0x4a/0x60 [ 142.370697][ C0] bus_probe_device+0x17e/0x3d0 [ 142.370717][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.370734][ C0] device_add+0x2c15/0x31d0 [ 142.370749][ C0] usb_new_device+0x1bd4/0x2a30 [ 142.370765][ C0] hub_event+0x5b99/0x8870 [ 142.370780][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.370796][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.370815][ C0] ? led_work+0x780/0x780 [ 142.370831][ C0] process_one_work+0x1219/0x1fe0 [ 142.370847][ C0] worker_thread+0x10ec/0x2340 [ 142.370862][ C0] kthread+0x521/0x560 [ 142.370876][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 142.370893][ C0] ? kthread_blkcg+0x110/0x110 [ 142.370911][ C0] ret_from_fork+0x1f/0x30 [ 142.370924][ C0] [ 142.370939][ C0] Local variable ----data@usb_read8 created at: [ 142.370975][ C0] usb_read8+0x5d/0x130 [ 142.371005][ C0] usb_read8+0x5d/0x130 [ 142.371038][ C0] ===================================================== [ 142.371079][ C0] Disabling lock debugging due to kernel taint [ 142.371121][ C0] ===================================================== [ 142.371154][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 142.371176][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 142.371202][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.371227][ C0] Workqueue: usb_hub_wq hub_event [ 142.371254][ C0] Call Trace: [ 142.371268][ C0] dump_stack+0x21c/0x280 [ 142.371283][ C0] kmsan_report+0xfb/0x1e0 [ 142.371298][ C0] __msan_warning+0x5f/0xa0 [ 142.371312][ C0] string+0x573/0x6d0 [ 142.371326][ C0] vsnprintf+0x1acd/0x3600 [ 142.371341][ C0] pointer+0x1b8a/0x1ca0 [ 142.371356][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.371373][ C0] vsnprintf+0x15f2/0x3600 [ 142.371388][ C0] vprintk_store+0x2ab/0x1df0 [ 142.371404][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.371421][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.371438][ C0] vprintk_emit+0x29a/0x7f0 [ 142.371454][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 142.371469][ C0] dev_printk_emit+0x1ce/0x210 [ 142.371487][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 142.371505][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.371522][ C0] __dev_printk+0x3dc/0x458 [ 142.371537][ C0] _dev_info+0x1e5/0x22a [ 142.371551][ C0] ? usb_read8+0xe7/0x130 [ 142.371571][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 142.371588][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 142.371605][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 142.371621][ C0] ? r871x_dev_unload+0x310/0x310 [ 142.371636][ C0] usb_probe_interface+0xfcc/0x1520 [ 142.371653][ C0] ? usb_register_driver+0x900/0x900 [ 142.371669][ C0] really_probe+0xe15/0x24d0 [ 142.371684][ C0] driver_probe_device+0x29d/0x3a0 [ 142.371701][ C0] __device_attach_driver+0x63f/0x830 [ 142.371718][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.371734][ C0] ? deferred_probe_work_func+0x400/0x400 [ 142.371751][ C0] __device_attach+0x56a/0x890 [ 142.371766][ C0] device_initial_probe+0x4a/0x60 [ 142.371782][ C0] bus_probe_device+0x17e/0x3d0 [ 142.371799][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.371816][ C0] device_add+0x2c15/0x31d0 [ 142.371831][ C0] usb_set_configuration+0x3872/0x3eb0 [ 142.371848][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 142.371866][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 142.371884][ C0] usb_generic_driver_probe+0x138/0x300 [ 142.371901][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 142.371918][ C0] usb_probe_device+0x317/0x570 [ 142.371935][ C0] ? usb_register_device_driver+0x590/0x590 [ 142.371952][ C0] really_probe+0xe15/0x24d0 [ 142.371967][ C0] driver_probe_device+0x29d/0x3a0 [ 142.371984][ C0] __device_attach_driver+0x63f/0x830 [ 142.372000][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.372016][ C0] ? deferred_probe_work_func+0x400/0x400 [ 142.372033][ C0] __device_attach+0x56a/0x890 [ 142.372049][ C0] device_initial_probe+0x4a/0x60 [ 142.372064][ C0] bus_probe_device+0x17e/0x3d0 [ 142.372080][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.372097][ C0] device_add+0x2c15/0x31d0 [ 142.372116][ C0] usb_new_device+0x1bd4/0x2a30 [ 142.372147][ C0] hub_event+0x5b99/0x8870 [ 142.372178][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.372213][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.372248][ C0] ? led_work+0x780/0x780 [ 142.372280][ C0] process_one_work+0x1219/0x1fe0 [ 142.372301][ C0] worker_thread+0x10ec/0x2340 [ 142.372317][ C0] kthread+0x521/0x560 [ 142.372331][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 142.372347][ C0] ? kthread_blkcg+0x110/0x110 [ 142.372363][ C0] ret_from_fork+0x1f/0x30 [ 142.372377][ C0] [ 142.372391][ C0] Local variable ----data@usb_read8 created at: [ 142.372409][ C0] usb_read8+0x5d/0x130 [ 142.372424][ C0] usb_read8+0x5d/0x130 [ 142.372441][ C0] ===================================================== [ 142.372461][ C0] ===================================================== [ 142.372482][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 142.372503][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 142.372529][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.372553][ C0] Workqueue: usb_hub_wq hub_event [ 142.372585][ C0] Call Trace: [ 142.372598][ C0] dump_stack+0x21c/0x280 [ 142.372613][ C0] kmsan_report+0xfb/0x1e0 [ 142.372627][ C0] __msan_warning+0x5f/0xa0 [ 142.372642][ C0] string+0x573/0x6d0 [ 142.372656][ C0] vsnprintf+0x1acd/0x3600 [ 142.372671][ C0] pointer+0x1b8a/0x1ca0 [ 142.372686][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.372703][ C0] vsnprintf+0x15f2/0x3600 [ 142.372718][ C0] vprintk_store+0x2ab/0x1df0 [ 142.372733][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.372756][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.372773][ C0] vprintk_emit+0x29a/0x7f0 [ 142.372788][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 142.372804][ C0] dev_printk_emit+0x1ce/0x210 [ 142.372820][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 142.372837][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.372854][ C0] __dev_printk+0x3dc/0x458 [ 142.372869][ C0] _dev_info+0x1e5/0x22a [ 142.372883][ C0] ? usb_read8+0xe7/0x130 [ 142.372898][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 142.372915][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 142.372934][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 142.372950][ C0] ? r871x_dev_unload+0x310/0x310 [ 142.372966][ C0] usb_probe_interface+0xfcc/0x1520 [ 142.372982][ C0] ? usb_register_driver+0x900/0x900 [ 142.372999][ C0] really_probe+0xe15/0x24d0 [ 142.373014][ C0] driver_probe_device+0x29d/0x3a0 [ 142.373030][ C0] __device_attach_driver+0x63f/0x830 [ 142.373047][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.373063][ C0] ? deferred_probe_work_func+0x400/0x400 [ 142.373081][ C0] __device_attach+0x56a/0x890 [ 142.373096][ C0] device_initial_probe+0x4a/0x60 [ 142.373112][ C0] bus_probe_device+0x17e/0x3d0 [ 142.373129][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.373146][ C0] device_add+0x2c15/0x31d0 [ 142.373175][ C0] usb_set_configuration+0x3872/0x3eb0 [ 142.373206][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 142.373241][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 142.373262][ C0] usb_generic_driver_probe+0x138/0x300 [ 142.373287][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 142.373322][ C0] usb_probe_device+0x317/0x570 [ 142.373356][ C0] ? usb_register_device_driver+0x590/0x590 [ 142.373391][ C0] really_probe+0xe15/0x24d0 [ 142.373424][ C0] driver_probe_device+0x29d/0x3a0 [ 142.373458][ C0] __device_attach_driver+0x63f/0x830 [ 142.373477][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 142.373494][ C0] ? deferred_probe_work_func+0x400/0x400 [ 142.373511][ C0] __device_attach+0x56a/0x890 [ 142.373526][ C0] device_initial_probe+0x4a/0x60 [ 142.373543][ C0] bus_probe_device+0x17e/0x3d0 [ 142.373560][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.373582][ C0] device_add+0x2c15/0x31d0 [ 142.373597][ C0] usb_new_device+0x1bd4/0x2a30 [ 142.373613][ C0] hub_event+0x5b99/0x8870 [ 142.373629][ C0] ? kmsan_get_metadata+0x116/0x180 [ 142.373646][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.373662][ C0] ? led_work+0x780/0x780 [ 142.373678][ C0] process_one_work+0x1219/0x1fe0 [ 142.373693][ C0] worker_thread+0x10ec/0x2340 [ 142.373709][ C0] kthread+0x521/0x560 [ 142.373724][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 142.373740][ C0] ? kthread_blkcg+0x110/0x110 [ 142.373755][ C0] ret_from_fork+0x1f/0x30 [ 142.373769][ C0] [ 142.373782][ C0] Local variable ----data@usb_read8 created at: [ 142.373800][ C0] usb_read8+0x5d/0x130 [ 142.373815][ C0] usb_read8+0x5d/0x130 [ 142.373832][ C0] ===================================================== [ 142.373852][ C0] ===================================================== [ 142.373872][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 142.373894][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 142.373919][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.373943][ C0] Workqueue: usb_hub_wq hub_event [ 142.373970][ C0] Call Trace: [ 142.373983][ C0] dump_stack+0x21c/0x280 [ 142.373997][ C0] kmsan_report+0xfb/0x1e0 [ 142.374012][ C0] __msan_warning+0x5f/0xa0 [ 142.374027][ C0] string+0x573/0x6d0 [ 142.374041][ C0] vsnprintf+0x1acd/0x3600 [ 142.374055][ C0] pointer+0x1b8a/0x1ca0 [ 142.374071][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.374087][ C0] vsnprintf+0x15f2/0x3600 [ 142.374102][ C0] vprintk_store+0x2ab/0x1df0 [ 142.374118][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 142.374135][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.374155][ C0] vprintk_emit+0x29a/0x7f0 [ 142.374170][ C0] dev_vprintk_emit+0x5f7 [ 142.374196][ C0] Lost 1705 message(s)! [ 143.739818][ T7] ===================================================== [ 143.747328][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 143.755350][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 143.765368][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.776014][ T7] Workqueue: usb_hub_wq hub_event [ 143.781344][ T7] Call Trace: [ 143.784815][ T7] dump_stack+0x21c/0x280 [ 143.789184][ T7] kmsan_report+0xfb/0x1e0 [ 143.793810][ T7] __msan_warning+0x5f/0xa0 [ 143.798438][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 143.803618][ T7] ? r871x_dev_unload+0x310/0x310 [ 143.809025][ T7] usb_probe_interface+0xfcc/0x1520 [ 143.814542][ T7] ? usb_register_driver+0x900/0x900 [ 143.820184][ T7] really_probe+0xe15/0x24d0 [ 143.824833][ T7] driver_probe_device+0x29d/0x3a0 [ 143.829999][ T7] __device_attach_driver+0x63f/0x830 [ 143.835402][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 143.840622][ T7] ? deferred_probe_work_func+0x400/0x400 [ 143.846545][ T7] __device_attach+0x56a/0x890 [ 143.851559][ T7] device_initial_probe+0x4a/0x60 [ 143.856619][ T7] bus_probe_device+0x17e/0x3d0 [ 143.862186][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.868284][ T7] device_add+0x2c15/0x31d0 [ 143.872917][ T7] usb_set_configuration+0x3872/0x3eb0 [ 143.878404][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 143.884115][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.890358][ T7] usb_generic_driver_probe+0x138/0x300 [ 143.896048][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 143.902048][ T7] usb_probe_device+0x317/0x570 [ 143.907184][ T7] ? usb_register_device_driver+0x590/0x590 [ 143.913282][ T7] really_probe+0xe15/0x24d0 [ 143.917994][ T7] driver_probe_device+0x29d/0x3a0 [ 143.923290][ T7] __device_attach_driver+0x63f/0x830 [ 143.929038][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 143.933922][ T7] ? deferred_probe_work_func+0x400/0x400 [ 143.939764][ T7] __device_attach+0x56a/0x890 [ 143.944697][ T7] device_initial_probe+0x4a/0x60 [ 143.950023][ T7] bus_probe_device+0x17e/0x3d0 [ 143.955000][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.961189][ T7] device_add+0x2c15/0x31d0 [ 143.965748][ T7] usb_new_device+0x1bd4/0x2a30 [ 143.970976][ T7] hub_event+0x5b99/0x8870 [ 143.975635][ T7] ? kmsan_get_metadata+0x116/0x180 [ 143.981041][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.987186][ T7] ? led_work+0x780/0x780 [ 143.991812][ T7] process_one_work+0x1219/0x1fe0 [ 143.997074][ T7] worker_thread+0x10ec/0x2340 [ 144.001886][ T7] kthread+0x521/0x560 [ 144.006081][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 144.011411][ T7] ? kthread_blkcg+0x110/0x110 [ 144.016218][ T7] ret_from_fork+0x1f/0x30 [ 144.020859][ T7] [ 144.023192][ T7] Local variable ----data@usb_read8 created at: [ 144.029572][ T7] usb_read8+0x5d/0x130 [ 144.033762][ T7] usb_read8+0x5d/0x130 [ 144.037945][ T7] ===================================================== [ 144.045101][ T7] ===================================================== [ 144.052164][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 144.060095][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 144.070306][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.080772][ T7] Workqueue: usb_hub_wq hub_event [ 144.086006][ T7] Call Trace: [ 144.089558][ T7] dump_stack+0x21c/0x280 [ 144.094243][ T7] kmsan_report+0xfb/0x1e0 [ 144.098694][ T7] __msan_warning+0x5f/0xa0 [ 144.103670][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 144.108840][ T7] ? r871x_dev_unload+0x310/0x310 [ 144.113893][ T7] usb_probe_interface+0xfcc/0x1520 [ 144.119382][ T7] ? usb_register_driver+0x900/0x900 [ 144.124940][ T7] really_probe+0xe15/0x24d0 [ 144.129973][ T7] driver_probe_device+0x29d/0x3a0 [ 144.135135][ T7] __device_attach_driver+0x63f/0x830 [ 144.141705][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 144.146738][ T7] ? deferred_probe_work_func+0x400/0x400 [ 144.153074][ T7] __device_attach+0x56a/0x890 [ 144.158041][ T7] device_initial_probe+0x4a/0x60 [ 144.163461][ T7] bus_probe_device+0x17e/0x3d0 [ 144.168589][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.174528][ T7] device_add+0x2c15/0x31d0 [ 144.179142][ T7] usb_set_configuration+0x3872/0x3eb0 [ 144.184698][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 144.190271][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 144.196766][ T7] usb_generic_driver_probe+0x138/0x300 [ 144.202559][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 144.208470][ T7] usb_probe_device+0x317/0x570 [ 144.214292][ T7] ? usb_register_device_driver+0x590/0x590 [ 144.220192][ T7] really_probe+0xe15/0x24d0 [ 144.225505][ T7] driver_probe_device+0x29d/0x3a0 [ 144.231162][ T7] __device_attach_driver+0x63f/0x830 [ 144.237199][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 144.242415][ T7] ? deferred_probe_work_func+0x400/0x400 [ 144.248495][ T7] __device_attach+0x56a/0x890 [ 144.253659][ T7] device_initial_probe+0x4a/0x60 [ 144.258703][ T7] bus_probe_device+0x17e/0x3d0 [ 144.263756][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.269600][ T7] device_add+0x2c15/0x31d0 [ 144.274511][ T7] usb_new_device+0x1bd4/0x2a30 [ 144.279505][ T7] hub_event+0x5b99/0x8870 [ 144.284200][ T7] ? kmsan_get_metadata+0x116/0x180 [ 144.289580][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.295416][ T7] ? led_work+0x780/0x780 [ 144.300285][ T7] process_one_work+0x1219/0x1fe0 [ 144.306328][ T7] worker_thread+0x10ec/0x2340 [ 144.311634][ T7] kthread+0x521/0x560 [ 144.315727][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 144.321190][ T7] ? kthread_blkcg+0x110/0x110 [ 144.326365][ T7] ret_from_fork+0x1f/0x30 [ 144.330893][ T7] [ 144.333209][ T7] Local variable ----mac@r871xu_drv_init created at: [ 144.340452][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 144.345585][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 144.350642][ T7] ===================================================== [ 144.357773][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 144.365801][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 144.379362][ T7] usb 1-1: USB disconnect, device number 2 [ 144.410454][ T1976] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 144.420434][ T1976] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 144.461445][ T1976] usb 1-1: r8712u: Firmware request failed [ 144.833216][ T7] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 145.193300][ T7] usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 145.206954][ T7] usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 145.373575][ T7] usb 1-1: New USB device found, idVendor=06f8, idProduct=e031, bcdDevice=d4.eb [ 145.383214][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 145.391725][ T7] usb 1-1: Product: syz [ 145.396230][ T7] usb 1-1: Manufacturer: syz [ 145.401187][ T7] usb 1-1: SerialNumber: syz [ 145.409819][ T7] usb 1-1: config 0 descriptor?? [ 145.480838][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 145.488607][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 145.623254][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 145.628835][ C0] ===================================================== [ 145.628861][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.628883][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 145.628909][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.628934][ C0] Workqueue: usb_hub_wq hub_event [ 145.628964][ C0] Call Trace: [ 145.628977][ C0] dump_stack+0x21c/0x280 [ 145.628992][ C0] kmsan_report+0xfb/0x1e0 [ 145.629007][ C0] __msan_warning+0x5f/0xa0 [ 145.629022][ C0] string+0x573/0x6d0 [ 145.629039][ C0] vsnprintf+0x1acd/0x3600 [ 145.629054][ C0] pointer+0x1b8a/0x1ca0 [ 145.629069][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.629086][ C0] vsnprintf+0x15f2/0x3600 [ 145.629104][ C0] vprintk_store+0x2ab/0x1df0 [ 145.629120][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.629137][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.629154][ C0] vprintk_emit+0x29a/0x7f0 [ 145.629170][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 145.629186][ C0] dev_printk_emit+0x1ce/0x210 [ 145.629202][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.629219][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.629236][ C0] __dev_printk+0x3dc/0x458 [ 145.629252][ C0] _dev_info+0x1e5/0x22a [ 145.629267][ C0] ? usb_read8+0xe7/0x130 [ 145.629282][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.629298][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.629315][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 145.629332][ C0] ? r871x_dev_unload+0x310/0x310 [ 145.629348][ C0] usb_probe_interface+0xfcc/0x1520 [ 145.629364][ C0] ? usb_register_driver+0x900/0x900 [ 145.629381][ C0] really_probe+0xe15/0x24d0 [ 145.629396][ C0] driver_probe_device+0x29d/0x3a0 [ 145.629412][ C0] __device_attach_driver+0x63f/0x830 [ 145.629431][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.629447][ C0] ? deferred_probe_work_func+0x400/0x400 [ 145.629464][ C0] __device_attach+0x56a/0x890 [ 145.629479][ C0] device_initial_probe+0x4a/0x60 [ 145.629495][ C0] bus_probe_device+0x17e/0x3d0 [ 145.629512][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.629532][ C0] device_add+0x2c15/0x31d0 [ 145.629548][ C0] usb_set_configuration+0x3872/0x3eb0 [ 145.629565][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 145.629582][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.629601][ C0] usb_generic_driver_probe+0x138/0x300 [ 145.629618][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 145.629635][ C0] usb_probe_device+0x317/0x570 [ 145.629651][ C0] ? usb_register_device_driver+0x590/0x590 [ 145.629667][ C0] really_probe+0xe15/0x24d0 [ 145.629683][ C0] driver_probe_device+0x29d/0x3a0 [ 145.629699][ C0] __device_attach_driver+0x63f/0x830 [ 145.629715][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.629731][ C0] ? deferred_probe_work_func+0x400/0x400 [ 145.629748][ C0] __device_attach+0x56a/0x890 [ 145.629764][ C0] device_initial_probe+0x4a/0x60 [ 145.629780][ C0] bus_probe_device+0x17e/0x3d0 [ 145.629798][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.629815][ C0] device_add+0x2c15/0x31d0 [ 145.629830][ C0] usb_new_device+0x1bd4/0x2a30 [ 145.629845][ C0] hub_event+0x5b99/0x8870 [ 145.629860][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.629876][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.629893][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.629910][ C0] ? led_work+0x780/0x780 [ 145.629925][ C0] process_one_work+0x1219/0x1fe0 [ 145.629940][ C0] worker_thread+0x12bc/0x2340 [ 145.629956][ C0] kthread+0x521/0x560 [ 145.629970][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 145.629986][ C0] ? kthread_blkcg+0x110/0x110 [ 145.630001][ C0] ret_from_fork+0x1f/0x30 [ 145.630015][ C0] [ 145.630028][ C0] Local variable ----data@usb_read8 created at: [ 145.630049][ C0] usb_read8+0x5d/0x130 [ 145.630063][ C0] usb_read8+0x5d/0x130 [ 145.630080][ C0] ===================================================== [ 145.630101][ C0] ===================================================== [ 145.630121][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.630143][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 145.630169][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.630195][ C0] Workqueue: usb_hub_wq hub_event [ 145.630222][ C0] Call Trace: [ 145.630235][ C0] dump_stack+0x21c/0x280 [ 145.630250][ C0] kmsan_report+0xfb/0x1e0 [ 145.630265][ C0] __msan_warning+0x5f/0xa0 [ 145.630280][ C0] string+0x573/0x6d0 [ 145.630294][ C0] vsnprintf+0x1acd/0x3600 [ 145.630309][ C0] pointer+0x1b8a/0x1ca0 [ 145.630324][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.630341][ C0] vsnprintf+0x15f2/0x3600 [ 145.630356][ C0] vprintk_store+0x2ab/0x1df0 [ 145.630372][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.630390][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.630407][ C0] vprintk_emit+0x29a/0x7f0 [ 145.630422][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 145.630438][ C0] dev_printk_emit+0x1ce/0x210 [ 145.630454][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.630472][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.630489][ C0] __dev_printk+0x3dc/0x458 [ 145.630504][ C0] _dev_info+0x1e5/0x22a [ 145.630518][ C0] ? usb_read8+0xe7/0x130 [ 145.630538][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.630554][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.630571][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 145.630587][ C0] ? r871x_dev_unload+0x310/0x310 [ 145.630602][ C0] usb_probe_interface+0xfcc/0x1520 [ 145.630619][ C0] ? usb_register_driver+0x900/0x900 [ 145.630635][ C0] really_probe+0xe15/0x24d0 [ 145.630650][ C0] driver_probe_device+0x29d/0x3a0 [ 145.630666][ C0] __device_attach_driver+0x63f/0x830 [ 145.630683][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.630699][ C0] ? deferred_probe_work_func+0x400/0x400 [ 145.630716][ C0] __device_attach+0x56a/0x890 [ 145.630731][ C0] device_initial_probe+0x4a/0x60 [ 145.630747][ C0] bus_probe_device+0x17e/0x3d0 [ 145.630766][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.630783][ C0] device_add+0x2c15/0x31d0 [ 145.630799][ C0] usb_set_configuration+0x3872/0x3eb0 [ 145.630816][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 145.630833][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.630851][ C0] usb_generic_driver_probe+0x138/0x300 [ 145.630868][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 145.630885][ C0] usb_probe_device+0x317/0x570 [ 145.630904][ C0] ? usb_register_device_driver+0x590/0x590 [ 145.630921][ C0] really_probe+0xe15/0x24d0 [ 145.630936][ C0] driver_probe_device+0x29d/0x3a0 [ 145.630952][ C0] __device_attach_driver+0x63f/0x830 [ 145.630969][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.630988][ C0] ? deferred_probe_work_func+0x400/0x400 [ 145.631005][ C0] __device_attach+0x56a/0x890 [ 145.631021][ C0] device_initial_probe+0x4a/0x60 [ 145.631039][ C0] bus_probe_device+0x17e/0x3d0 [ 145.631055][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.631072][ C0] device_add+0x2c15/0x31d0 [ 145.631087][ C0] usb_new_device+0x1bd4/0x2a30 [ 145.631103][ C0] hub_event+0x5b99/0x8870 [ 145.631118][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.631134][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.631151][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.631168][ C0] ? led_work+0x780/0x780 [ 145.631183][ C0] process_one_work+0x1219/0x1fe0 [ 145.631199][ C0] worker_thread+0x12bc/0x2340 [ 145.631214][ C0] kthread+0x521/0x560 [ 145.631229][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 145.631245][ C0] ? kthread_blkcg+0x110/0x110 [ 145.631261][ C0] ret_from_fork+0x1f/0x30 [ 145.631275][ C0] [ 145.631288][ C0] Local variable ----data@usb_read8 created at: [ 145.631306][ C0] usb_read8+0x5d/0x130 [ 145.631321][ C0] usb_read8+0x5d/0x130 [ 145.631337][ C0] ===================================================== [ 145.631359][ C0] ===================================================== [ 145.631379][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.631400][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 145.631426][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.631452][ C0] Workqueue: usb_hub_wq hub_event [ 145.631478][ C0] Call Trace: [ 145.631491][ C0] dump_stack+0x21c/0x280 [ 145.631506][ C0] kmsan_report+0xfb/0x1e0 [ 145.631521][ C0] __msan_warning+0x5f/0xa0 [ 145.631539][ C0] string+0x573/0x6d0 [ 145.631553][ C0] vsnprintf+0x1acd/0x3600 [ 145.631568][ C0] pointer+0x1b8a/0x1ca0 [ 145.631583][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.631600][ C0] vsnprintf+0x15f2/0x3600 [ 145.631614][ C0] vprintk_store+0x2ab/0x1df0 [ 145.631630][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.631650][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.631667][ C0] vprintk_emit+0x29a/0x7f0 [ 145.631681][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 145.631697][ C0] dev_printk_emit+0x1ce/0x210 [ 145.631713][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 145.631730][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.631747][ C0] __dev_printk+0x3dc/0x458 [ 145.631761][ C0] _dev_info+0x1e5/0x22a [ 145.631776][ C0] ? usb_read8+0xe7/0x130 [ 145.631791][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 145.631808][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 145.631824][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 145.631840][ C0] ? r871x_dev_unload+0x310/0x310 [ 145.631856][ C0] usb_probe_interface+0xfcc/0x1520 [ 145.631872][ C0] ? usb_register_driver+0x900/0x900 [ 145.631888][ C0] really_probe+0xe15/0x24d0 [ 145.631906][ C0] driver_probe_device+0x29d/0x3a0 [ 145.631922][ C0] __device_attach_driver+0x63f/0x830 [ 145.631939][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.631955][ C0] ? deferred_probe_work_func+0x400/0x400 [ 145.631972][ C0] __device_attach+0x56a/0x890 [ 145.631988][ C0] device_initial_probe+0x4a/0x60 [ 145.632004][ C0] bus_probe_device+0x17e/0x3d0 [ 145.632020][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.632038][ C0] device_add+0x2c15/0x31d0 [ 145.632054][ C0] usb_set_configuration+0x3872/0x3eb0 [ 145.632071][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 145.632088][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.632106][ C0] usb_generic_driver_probe+0x138/0x300 [ 145.632123][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 145.632140][ C0] usb_probe_device+0x317/0x570 [ 145.632156][ C0] ? usb_register_device_driver+0x590/0x590 [ 145.632173][ C0] really_probe+0xe15/0x24d0 [ 145.632188][ C0] driver_probe_device+0x29d/0x3a0 [ 145.632204][ C0] __device_attach_driver+0x63f/0x830 [ 145.632221][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 145.632237][ C0] ? deferred_probe_work_func+0x400/0x400 [ 145.632254][ C0] __device_attach+0x56a/0x890 [ 145.632269][ C0] device_initial_probe+0x4a/0x60 [ 145.632285][ C0] bus_probe_device+0x17e/0x3d0 [ 145.632301][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.632319][ C0] device_add+0x2c15/0x31d0 [ 145.632333][ C0] usb_new_device+0x1bd4/0x2a30 [ 145.632349][ C0] hub_event+0x5b99/0x8870 [ 145.632364][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.632380][ C0] ? kmsan_get_metadata+0x116/0x180 [ 145.632397][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.632414][ C0] ? led_work+0x780/0x780 [ 145.632429][ C0] process_one_work+0x1219/0x1fe0 [ 145.632445][ C0] worker_thread+0x12bc/0x2340 [ 145.632460][ C0] kthread+0x521/0x560 [ 145.632475][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 145.632491][ C0] ? kthread_blkcg+0x110/0x110 [ 145.632506][ C0] ret_from_fork+0x1f/0x30 [ 145.632520][ C0] [ 145.632537][ C0] Local variable ----data@usb_read8 created at: [ 145.632555][ C0] usb_read8+0x5d/0x130 [ 145.632570][ C0] usb_read8+0x5d/0x130 [ 145.632589][ C0] ===================================================== [ 145.632610][ C0] ===================================================== [ 145.632630][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 145.632651][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 145.632677][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.632700][ C0] Workqueue: usb_hub_wq hub_event [ 145.632727][ C0] Call Trace: [ 145.632739][ C0] dump_stack+0x21c/0x280 [ 145.632754][ C0] kmsan_report+0xfb/0x1e0 [ 145.632769][ C0] __msan_warning+0x5f/0xa0 [ 145.632783][ C0] string+0x573/0x6d0 [ 145.632797][ C0] vsnprintf+0x1acd/0x3600 [ 145.632811][ C0] pointer+0x1b8a/0x1ca0 [ 145.632827][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.632843][ C0] vsnprintf+0x15f2/0x3600 [ 145.632858][ C0] vprintk_store+0x2ab/0x1df0 [ 145.632874][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 145.632890][ C0] ? kmsan_get_shadow [ 145.632915][ C0] Lost 1730 message(s)! [ 147.036380][ T7] ===================================================== [ 147.043458][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 147.050779][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 147.060704][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.071075][ T7] Workqueue: usb_hub_wq hub_event [ 147.076239][ T7] Call Trace: [ 147.079628][ T7] dump_stack+0x21c/0x280 [ 147.084000][ T7] kmsan_report+0xfb/0x1e0 [ 147.088814][ T7] __msan_warning+0x5f/0xa0 [ 147.093435][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 147.098584][ T7] ? r871x_dev_unload+0x310/0x310 [ 147.103886][ T7] usb_probe_interface+0xfcc/0x1520 [ 147.109093][ T7] ? usb_register_driver+0x900/0x900 [ 147.114384][ T7] really_probe+0xe15/0x24d0 [ 147.118989][ T7] driver_probe_device+0x29d/0x3a0 [ 147.124108][ T7] __device_attach_driver+0x63f/0x830 [ 147.129674][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 147.134633][ T7] ? deferred_probe_work_func+0x400/0x400 [ 147.140363][ T7] __device_attach+0x56a/0x890 [ 147.145135][ T7] device_initial_probe+0x4a/0x60 [ 147.150298][ T7] bus_probe_device+0x17e/0x3d0 [ 147.155353][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.161379][ T7] device_add+0x2c15/0x31d0 [ 147.165984][ T7] usb_set_configuration+0x3872/0x3eb0 [ 147.171542][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 147.177877][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 147.184445][ T7] usb_generic_driver_probe+0x138/0x300 [ 147.190258][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 147.196447][ T7] usb_probe_device+0x317/0x570 [ 147.201486][ T7] ? usb_register_device_driver+0x590/0x590 [ 147.207660][ T7] really_probe+0xe15/0x24d0 [ 147.212640][ T7] driver_probe_device+0x29d/0x3a0 [ 147.218124][ T7] __device_attach_driver+0x63f/0x830 [ 147.224069][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 147.229127][ T7] ? deferred_probe_work_func+0x400/0x400 [ 147.235052][ T7] __device_attach+0x56a/0x890 [ 147.240108][ T7] device_initial_probe+0x4a/0x60 [ 147.245495][ T7] bus_probe_device+0x17e/0x3d0 [ 147.250414][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.256577][ T7] device_add+0x2c15/0x31d0 [ 147.261286][ T7] usb_new_device+0x1bd4/0x2a30 [ 147.266332][ T7] hub_event+0x5b99/0x8870 [ 147.270757][ T7] ? kmsan_get_metadata+0x116/0x180 [ 147.276696][ T7] ? kmsan_get_metadata+0x116/0x180 [ 147.282423][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.288534][ T7] ? led_work+0x780/0x780 [ 147.293160][ T7] process_one_work+0x1219/0x1fe0 [ 147.298331][ T7] worker_thread+0x12bc/0x2340 [ 147.303305][ T7] kthread+0x521/0x560 [ 147.307737][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 147.313226][ T7] ? kthread_blkcg+0x110/0x110 [ 147.318440][ T7] ret_from_fork+0x1f/0x30 [ 147.322956][ T7] [ 147.325366][ T7] Local variable ----data@usb_read8 created at: [ 147.332207][ T7] usb_read8+0x5d/0x130 [ 147.336484][ T7] usb_read8+0x5d/0x130 [ 147.341407][ T7] ===================================================== [ 147.349416][ T7] ===================================================== [ 147.356804][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 147.364623][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 147.374932][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.385097][ T7] Workqueue: usb_hub_wq hub_event executing program [ 147.390516][ T7] Call Trace: [ 147.393808][ T7] dump_stack+0x21c/0x280 [ 147.398282][ T7] kmsan_report+0xfb/0x1e0 [ 147.402924][ T7] __msan_warning+0x5f/0xa0 [ 147.407575][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 147.412650][ T7] ? r871x_dev_unload+0x310/0x310 [ 147.417720][ T7] usb_probe_interface+0xfcc/0x1520 [ 147.423152][ T7] ? usb_register_driver+0x900/0x900 [ 147.428953][ T7] really_probe+0xe15/0x24d0 [ 147.433735][ T7] driver_probe_device+0x29d/0x3a0 [ 147.438965][ T7] __device_attach_driver+0x63f/0x830 [ 147.444495][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 147.450164][ T7] ? deferred_probe_work_func+0x400/0x400 [ 147.456037][ T7] __device_attach+0x56a/0x890 [ 147.460854][ T7] device_initial_probe+0x4a/0x60 [ 147.466184][ T7] bus_probe_device+0x17e/0x3d0 [ 147.471348][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.477372][ T7] device_add+0x2c15/0x31d0 [ 147.482001][ T7] usb_set_configuration+0x3872/0x3eb0 [ 147.487703][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 147.493547][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 147.499665][ T7] usb_generic_driver_probe+0x138/0x300 [ 147.506146][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 147.511897][ T7] usb_probe_device+0x317/0x570 [ 147.516812][ T7] ? usb_register_device_driver+0x590/0x590 [ 147.522912][ T7] really_probe+0xe15/0x24d0 [ 147.527711][ T7] driver_probe_device+0x29d/0x3a0 [ 147.533797][ T7] __device_attach_driver+0x63f/0x830 [ 147.539208][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 147.544099][ T7] ? deferred_probe_work_func+0x400/0x400 [ 147.549915][ T7] __device_attach+0x56a/0x890 [ 147.554909][ T7] device_initial_probe+0x4a/0x60 [ 147.559968][ T7] bus_probe_device+0x17e/0x3d0 [ 147.565301][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.571238][ T7] device_add+0x2c15/0x31d0 [ 147.575779][ T7] usb_new_device+0x1bd4/0x2a30 [ 147.580779][ T7] hub_event+0x5b99/0x8870 [ 147.586019][ T7] ? kmsan_get_metadata+0x116/0x180 [ 147.591704][ T7] ? kmsan_get_metadata+0x116/0x180 [ 147.597464][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.603487][ T7] ? led_work+0x780/0x780 [ 147.607843][ T7] process_one_work+0x1219/0x1fe0 [ 147.613111][ T7] worker_thread+0x12bc/0x2340 [ 147.618154][ T7] kthread+0x521/0x560 [ 147.622595][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 147.628043][ T7] ? kthread_blkcg+0x110/0x110 [ 147.633257][ T7] ret_from_fork+0x1f/0x30 [ 147.637882][ T7] [ 147.640310][ T7] Local variable ----mac@r871xu_drv_init created at: [ 147.647631][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 147.652843][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 147.657980][ T7] ===================================================== [ 147.665435][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 147.673892][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 147.688516][ T1976] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 147.699233][ T1976] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 147.709853][ T7] usb 1-1: USB disconnect, device number 3 [ 147.736493][ T1976] usb 1-1: r8712u: Firmware request failed [ 148.113058][ T7] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 148.473204][ T7] usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 148.484530][ T7] usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 148.653511][ T7] usb 1-1: New USB device found, idVendor=06f8, idProduct=e031, bcdDevice=d4.eb [ 148.663625][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 148.672388][ T7] usb 1-1: Product: syz [ 148.676926][ T7] usb 1-1: Manufacturer: syz [ 148.681852][ T7] usb 1-1: SerialNumber: syz [ 148.693138][ T7] usb 1-1: config 0 descriptor?? [ 148.750206][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 148.757221][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 148.873093][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 148.878627][ C0] ===================================================== [ 148.878652][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.878679][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 148.878706][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.878730][ C0] Workqueue: usb_hub_wq hub_event [ 148.878760][ C0] Call Trace: [ 148.878773][ C0] dump_stack+0x21c/0x280 [ 148.878788][ C0] kmsan_report+0xfb/0x1e0 [ 148.878803][ C0] __msan_warning+0x5f/0xa0 [ 148.878818][ C0] string+0x573/0x6d0 [ 148.878832][ C0] vsnprintf+0x1acd/0x3600 [ 148.878847][ C0] pointer+0x1b8a/0x1ca0 [ 148.878862][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.878879][ C0] vsnprintf+0x15f2/0x3600 [ 148.878894][ C0] vprintk_store+0x2ab/0x1df0 [ 148.878910][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.878928][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.878945][ C0] vprintk_emit+0x29a/0x7f0 [ 148.878960][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 148.878976][ C0] dev_printk_emit+0x1ce/0x210 [ 148.878992][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 148.879009][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.879026][ C0] __dev_printk+0x3dc/0x458 [ 148.879040][ C0] _dev_info+0x1e5/0x22a [ 148.879055][ C0] ? usb_read8+0xe7/0x130 [ 148.879070][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 148.879086][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 148.879103][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 148.879119][ C0] ? r871x_dev_unload+0x310/0x310 [ 148.879135][ C0] usb_probe_interface+0xfcc/0x1520 [ 148.879151][ C0] ? usb_register_driver+0x900/0x900 [ 148.879167][ C0] really_probe+0xe15/0x24d0 [ 148.879182][ C0] driver_probe_device+0x29d/0x3a0 [ 148.879199][ C0] __device_attach_driver+0x63f/0x830 [ 148.879215][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 148.879231][ C0] ? deferred_probe_work_func+0x400/0x400 [ 148.879248][ C0] __device_attach+0x56a/0x890 [ 148.879263][ C0] device_initial_probe+0x4a/0x60 [ 148.879279][ C0] bus_probe_device+0x17e/0x3d0 [ 148.879295][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.879312][ C0] device_add+0x2c15/0x31d0 [ 148.879328][ C0] usb_set_configuration+0x3872/0x3eb0 [ 148.879345][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 148.879363][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 148.879381][ C0] usb_generic_driver_probe+0x138/0x300 [ 148.879398][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 148.879415][ C0] usb_probe_device+0x317/0x570 [ 148.879432][ C0] ? usb_register_device_driver+0x590/0x590 [ 148.879449][ C0] really_probe+0xe15/0x24d0 [ 148.879464][ C0] driver_probe_device+0x29d/0x3a0 [ 148.879481][ C0] __device_attach_driver+0x63f/0x830 [ 148.879497][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 148.879513][ C0] ? deferred_probe_work_func+0x400/0x400 [ 148.879530][ C0] __device_attach+0x56a/0x890 [ 148.879546][ C0] device_initial_probe+0x4a/0x60 [ 148.879562][ C0] bus_probe_device+0x17e/0x3d0 [ 148.879578][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.879595][ C0] device_add+0x2c15/0x31d0 [ 148.879610][ C0] usb_new_device+0x1bd4/0x2a30 [ 148.879625][ C0] hub_event+0x5b99/0x8870 [ 148.879640][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.879657][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.879678][ C0] ? led_work+0x780/0x780 [ 148.879693][ C0] process_one_work+0x1219/0x1fe0 [ 148.879709][ C0] worker_thread+0x12bc/0x2340 [ 148.879724][ C0] kthread+0x521/0x560 [ 148.879738][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 148.879754][ C0] ? kthread_blkcg+0x110/0x110 [ 148.879769][ C0] ret_from_fork+0x1f/0x30 [ 148.879783][ C0] [ 148.879796][ C0] Local variable ----data@usb_read8 created at: [ 148.879814][ C0] usb_read8+0x5d/0x130 [ 148.879829][ C0] usb_read8+0x5d/0x130 [ 148.879845][ C0] ===================================================== [ 148.879866][ C0] ===================================================== [ 148.879886][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.879908][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 148.879933][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.879957][ C0] Workqueue: usb_hub_wq hub_event [ 148.879983][ C0] Call Trace: [ 148.879996][ C0] dump_stack+0x21c/0x280 [ 148.880011][ C0] kmsan_report+0xfb/0x1e0 [ 148.880025][ C0] __msan_warning+0x5f/0xa0 [ 148.880040][ C0] string+0x573/0x6d0 [ 148.880054][ C0] vsnprintf+0x1acd/0x3600 [ 148.880072][ C0] pointer+0x1b8a/0x1ca0 [ 148.880088][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.880104][ C0] vsnprintf+0x15f2/0x3600 [ 148.880119][ C0] vprintk_store+0x2ab/0x1df0 [ 148.880135][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.880152][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.880169][ C0] vprintk_emit+0x29a/0x7f0 [ 148.880184][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 148.880200][ C0] dev_printk_emit+0x1ce/0x210 [ 148.880216][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 148.880233][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.880254][ C0] __dev_printk+0x3dc/0x458 [ 148.880269][ C0] _dev_info+0x1e5/0x22a [ 148.880283][ C0] ? usb_read8+0xe7/0x130 [ 148.880298][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 148.880314][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 148.880331][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 148.880346][ C0] ? r871x_dev_unload+0x310/0x310 [ 148.880362][ C0] usb_probe_interface+0xfcc/0x1520 [ 148.880379][ C0] ? usb_register_driver+0x900/0x900 [ 148.880395][ C0] really_probe+0xe15/0x24d0 [ 148.880410][ C0] driver_probe_device+0x29d/0x3a0 [ 148.880426][ C0] __device_attach_driver+0x63f/0x830 [ 148.880443][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 148.880459][ C0] ? deferred_probe_work_func+0x400/0x400 [ 148.880475][ C0] __device_attach+0x56a/0x890 [ 148.880491][ C0] device_initial_probe+0x4a/0x60 [ 148.880506][ C0] bus_probe_device+0x17e/0x3d0 [ 148.880522][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.880539][ C0] device_add+0x2c15/0x31d0 [ 148.880554][ C0] usb_set_configuration+0x3872/0x3eb0 [ 148.880571][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 148.880588][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 148.880606][ C0] usb_generic_driver_probe+0x138/0x300 [ 148.880623][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 148.880640][ C0] usb_probe_device+0x317/0x570 [ 148.880657][ C0] ? usb_register_device_driver+0x590/0x590 [ 148.880681][ C0] really_probe+0xe15/0x24d0 [ 148.880696][ C0] driver_probe_device+0x29d/0x3a0 [ 148.880713][ C0] __device_attach_driver+0x63f/0x830 [ 148.880729][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 148.880745][ C0] ? deferred_probe_work_func+0x400/0x400 [ 148.880762][ C0] __device_attach+0x56a/0x890 [ 148.880778][ C0] device_initial_probe+0x4a/0x60 [ 148.880794][ C0] bus_probe_device+0x17e/0x3d0 [ 148.880810][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.880827][ C0] device_add+0x2c15/0x31d0 [ 148.880842][ C0] usb_new_device+0x1bd4/0x2a30 [ 148.880858][ C0] hub_event+0x5b99/0x8870 [ 148.880878][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.880895][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.880912][ C0] ? led_work+0x780/0x780 [ 148.880927][ C0] process_one_work+0x1219/0x1fe0 [ 148.880943][ C0] worker_thread+0x12bc/0x2340 [ 148.880958][ C0] kthread+0x521/0x560 [ 148.880973][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 148.880990][ C0] ? kthread_blkcg+0x110/0x110 [ 148.881005][ C0] ret_from_fork+0x1f/0x30 [ 148.881019][ C0] [ 148.881032][ C0] Local variable ----data@usb_read8 created at: [ 148.881050][ C0] usb_read8+0x5d/0x130 [ 148.881066][ C0] usb_read8+0x5d/0x130 [ 148.881082][ C0] ===================================================== [ 148.881103][ C0] ===================================================== [ 148.881124][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.881145][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 148.881170][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.881194][ C0] Workqueue: usb_hub_wq hub_event [ 148.881221][ C0] Call Trace: [ 148.881234][ C0] dump_stack+0x21c/0x280 [ 148.881248][ C0] kmsan_report+0xfb/0x1e0 [ 148.881263][ C0] __msan_warning+0x5f/0xa0 [ 148.881278][ C0] string+0x573/0x6d0 [ 148.881292][ C0] vsnprintf+0x1acd/0x3600 [ 148.881306][ C0] pointer+0x1b8a/0x1ca0 [ 148.881321][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.881338][ C0] vsnprintf+0x15f2/0x3600 [ 148.881353][ C0] vprintk_store+0x2ab/0x1df0 [ 148.881369][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.881386][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.881403][ C0] vprintk_emit+0x29a/0x7f0 [ 148.881418][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 148.881433][ C0] dev_printk_emit+0x1ce/0x210 [ 148.881449][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 148.881466][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.881483][ C0] __dev_printk+0x3dc/0x458 [ 148.881498][ C0] _dev_info+0x1e5/0x22a [ 148.881512][ C0] ? usb_read8+0xe7/0x130 [ 148.881527][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 148.881544][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 148.881560][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 148.881576][ C0] ? r871x_dev_unload+0x310/0x310 [ 148.881592][ C0] usb_probe_interface+0xfcc/0x1520 [ 148.881608][ C0] ? usb_register_driver+0x900/0x900 [ 148.881624][ C0] really_probe+0xe15/0x24d0 [ 148.881640][ C0] driver_probe_device+0x29d/0x3a0 [ 148.881656][ C0] __device_attach_driver+0x63f/0x830 [ 148.881678][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 148.881694][ C0] ? deferred_probe_work_func+0x400/0x400 [ 148.881710][ C0] __device_attach+0x56a/0x890 [ 148.881726][ C0] device_initial_probe+0x4a/0x60 [ 148.881742][ C0] bus_probe_device+0x17e/0x3d0 [ 148.881758][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.881775][ C0] device_add+0x2c15/0x31d0 [ 148.881790][ C0] usb_set_configuration+0x3872/0x3eb0 [ 148.881807][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 148.881824][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 148.881842][ C0] usb_generic_driver_probe+0x138/0x300 [ 148.881859][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 148.881876][ C0] usb_probe_device+0x317/0x570 [ 148.881892][ C0] ? usb_register_device_driver+0x590/0x590 [ 148.881909][ C0] really_probe+0xe15/0x24d0 [ 148.881924][ C0] driver_probe_device+0x29d/0x3a0 [ 148.881940][ C0] __device_attach_driver+0x63f/0x830 [ 148.881956][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 148.881972][ C0] ? deferred_probe_work_func+0x400/0x400 [ 148.881989][ C0] __device_attach+0x56a/0x890 [ 148.882005][ C0] device_initial_probe+0x4a/0x60 [ 148.882020][ C0] bus_probe_device+0x17e/0x3d0 [ 148.882036][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.882053][ C0] device_add+0x2c15/0x31d0 [ 148.882074][ C0] usb_new_device+0x1bd4/0x2a30 [ 148.882090][ C0] hub_event+0x5b99/0x8870 [ 148.882105][ C0] ? kmsan_get_metadata+0x116/0x180 [ 148.882121][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.882138][ C0] ? led_work+0x780/0x780 [ 148.882153][ C0] process_one_work+0x1219/0x1fe0 [ 148.882169][ C0] worker_thread+0x12bc/0x2340 [ 148.882184][ C0] kthread+0x521/0x560 [ 148.882199][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 148.882215][ C0] ? kthread_blkcg+0x110/0x110 [ 148.882230][ C0] ret_from_fork+0x1f/0x30 [ 148.882243][ C0] [ 148.882256][ C0] Local variable ----data@usb_read8 created at: [ 148.882274][ C0] usb_read8+0x5d/0x130 [ 148.882289][ C0] usb_read8+0x5d/0x130 [ 148.882305][ C0] ===================================================== [ 148.882326][ C0] ===================================================== [ 148.882347][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 148.882368][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 148.882394][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.882418][ C0] Workqueue: usb_hub_wq hub_event [ 148.882445][ C0] Call Trace: [ 148.882458][ C0] dump_stack+0x21c/0x280 [ 148.882473][ C0] kmsan_report+0xfb/0x1e0 [ 148.882488][ C0] __msan_warning+0x5f/0xa0 [ 148.882503][ C0] string+0x573/0x6d0 [ 148.882517][ C0] vsnprintf+0x1acd/0x3600 [ 148.882532][ C0] pointer+0x1b8a/0x1ca0 [ 148.882547][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.882564][ C0] vsnprintf+0x15f2/0x3600 [ 148.882579][ C0] vprintk_store+0x2ab/0x1df0 [ 148.882595][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 148.882612][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.882629][ C0] vprintk_emit+0x29a/0x7f0 [ 148.882644][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 148.882659][ C0] dev_printk_emit+0x1ce/0 [ 148.882688][ C0] Lost 1704 message(s)! [ 150.218973][ T7] ===================================================== [ 150.226195][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 150.233879][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 150.243621][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.253875][ T7] Workqueue: usb_hub_wq hub_event [ 150.258946][ T7] Call Trace: [ 150.262318][ T7] dump_stack+0x21c/0x280 [ 150.266774][ T7] kmsan_report+0xfb/0x1e0 [ 150.271311][ T7] __msan_warning+0x5f/0xa0 [ 150.276896][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 150.282002][ T7] ? r871x_dev_unload+0x310/0x310 [ 150.287396][ T7] usb_probe_interface+0xfcc/0x1520 [ 150.292929][ T7] ? usb_register_driver+0x900/0x900 [ 150.298239][ T7] really_probe+0xe15/0x24d0 [ 150.302958][ T7] driver_probe_device+0x29d/0x3a0 [ 150.308270][ T7] __device_attach_driver+0x63f/0x830 [ 150.313673][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 150.319077][ T7] ? deferred_probe_work_func+0x400/0x400 [ 150.324917][ T7] __device_attach+0x56a/0x890 [ 150.329721][ T7] device_initial_probe+0x4a/0x60 [ 150.334781][ T7] bus_probe_device+0x17e/0x3d0 [ 150.339926][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.345939][ T7] device_add+0x2c15/0x31d0 [ 150.350567][ T7] usb_set_configuration+0x3872/0x3eb0 [ 150.356251][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 150.361996][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 150.368102][ T7] usb_generic_driver_probe+0x138/0x300 [ 150.373772][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 150.379700][ T7] usb_probe_device+0x317/0x570 [ 150.384656][ T7] ? usb_register_device_driver+0x590/0x590 [ 150.390690][ T7] really_probe+0xe15/0x24d0 [ 150.395921][ T7] driver_probe_device+0x29d/0x3a0 [ 150.401514][ T7] __device_attach_driver+0x63f/0x830 [ 150.407583][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 150.412987][ T7] ? deferred_probe_work_func+0x400/0x400 [ 150.418937][ T7] __device_attach+0x56a/0x890 [ 150.423737][ T7] device_initial_probe+0x4a/0x60 [ 150.429070][ T7] bus_probe_device+0x17e/0x3d0 [ 150.434052][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.440259][ T7] device_add+0x2c15/0x31d0 [ 150.445034][ T7] usb_new_device+0x1bd4/0x2a30 [ 150.450885][ T7] hub_event+0x5b99/0x8870 [ 150.455616][ T7] ? kmsan_get_metadata+0x116/0x180 [ 150.461226][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.467319][ T7] ? led_work+0x780/0x780 [ 150.472188][ T7] process_one_work+0x1219/0x1fe0 [ 150.477515][ T7] worker_thread+0x12bc/0x2340 [ 150.482417][ T7] kthread+0x521/0x560 [ 150.486858][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 150.492589][ T7] ? kthread_blkcg+0x110/0x110 [ 150.497538][ T7] ret_from_fork+0x1f/0x30 [ 150.502244][ T7] [ 150.504565][ T7] Local variable ----data@usb_read8 created at: [ 150.510792][ T7] usb_read8+0x5d/0x130 [ 150.515050][ T7] usb_read8+0x5d/0x130 [ 150.519383][ T7] ===================================================== [ 150.527117][ T7] ===================================================== [ 150.534252][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 executing program [ 150.541784][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 150.551652][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.563379][ T7] Workqueue: usb_hub_wq hub_event [ 150.568546][ T7] Call Trace: [ 150.571928][ T7] dump_stack+0x21c/0x280 [ 150.576383][ T7] kmsan_report+0xfb/0x1e0 [ 150.580924][ T7] __msan_warning+0x5f/0xa0 [ 150.585819][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 150.591156][ T7] ? r871x_dev_unload+0x310/0x310 [ 150.596569][ T7] usb_probe_interface+0xfcc/0x1520 [ 150.601992][ T7] ? usb_register_driver+0x900/0x900 [ 150.607417][ T7] really_probe+0xe15/0x24d0 [ 150.612228][ T7] driver_probe_device+0x29d/0x3a0 [ 150.617607][ T7] __device_attach_driver+0x63f/0x830 [ 150.623128][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 150.627994][ T7] ? deferred_probe_work_func+0x400/0x400 [ 150.634775][ T7] __device_attach+0x56a/0x890 [ 150.639642][ T7] device_initial_probe+0x4a/0x60 [ 150.644854][ T7] bus_probe_device+0x17e/0x3d0 [ 150.650002][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.656076][ T7] device_add+0x2c15/0x31d0 [ 150.660910][ T7] usb_set_configuration+0x3872/0x3eb0 [ 150.666485][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 150.672653][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 150.679521][ T7] usb_generic_driver_probe+0x138/0x300 [ 150.685185][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 150.692923][ T7] usb_probe_device+0x317/0x570 [ 150.698147][ T7] ? usb_register_device_driver+0x590/0x590 [ 150.705612][ T7] really_probe+0xe15/0x24d0 [ 150.710433][ T7] driver_probe_device+0x29d/0x3a0 [ 150.716169][ T7] __device_attach_driver+0x63f/0x830 [ 150.721923][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 150.726811][ T7] ? deferred_probe_work_func+0x400/0x400 [ 150.732688][ T7] __device_attach+0x56a/0x890 [ 150.738091][ T7] device_initial_probe+0x4a/0x60 [ 150.743154][ T7] bus_probe_device+0x17e/0x3d0 [ 150.748078][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.753907][ T7] device_add+0x2c15/0x31d0 [ 150.758426][ T7] usb_new_device+0x1bd4/0x2a30 [ 150.763546][ T7] hub_event+0x5b99/0x8870 [ 150.767979][ T7] ? kmsan_get_metadata+0x116/0x180 [ 150.773386][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.780097][ T7] ? led_work+0x780/0x780 [ 150.785127][ T7] process_one_work+0x1219/0x1fe0 [ 150.790315][ T7] worker_thread+0x12bc/0x2340 [ 150.795489][ T7] kthread+0x521/0x560 [ 150.799908][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 150.805231][ T7] ? kthread_blkcg+0x110/0x110 [ 150.810187][ T7] ret_from_fork+0x1f/0x30 [ 150.814612][ T7] [ 150.817097][ T7] Local variable ----mac@r871xu_drv_init created at: [ 150.823889][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 150.829179][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 150.834391][ T7] ===================================================== [ 150.841958][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 150.849915][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 150.864930][ T1976] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 150.874694][ T1976] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 150.894786][ T7] usb 1-1: USB disconnect, device number 4 [ 150.918823][ T1976] usb 1-1: r8712u: Firmware request failed [ 151.292822][ T7] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 151.663018][ T7] usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 151.675266][ T7] usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping [ 151.843043][ T7] usb 1-1: New USB device found, idVendor=06f8, idProduct=e031, bcdDevice=d4.eb [ 151.852833][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 151.861781][ T7] usb 1-1: Product: syz [ 151.866201][ T7] usb 1-1: Manufacturer: syz [ 151.871377][ T7] usb 1-1: SerialNumber: syz [ 151.879784][ T7] usb 1-1: config 0 descriptor?? [ 151.930432][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 151.938417][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 152.042994][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 152.048952][ C0] ===================================================== [ 152.048978][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 152.048999][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 152.049026][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.049050][ C0] Workqueue: usb_hub_wq hub_event [ 152.049080][ C0] Call Trace: [ 152.049094][ C0] dump_stack+0x21c/0x280 [ 152.049109][ C0] kmsan_report+0xfb/0x1e0 [ 152.049124][ C0] __msan_warning+0x5f/0xa0 [ 152.049138][ C0] string+0x573/0x6d0 [ 152.049153][ C0] vsnprintf+0x1acd/0x3600 [ 152.049168][ C0] pointer+0x1b8a/0x1ca0 [ 152.049183][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.049200][ C0] vsnprintf+0x15f2/0x3600 [ 152.049216][ C0] vprintk_store+0x2ab/0x1df0 [ 152.049231][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.049249][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.049266][ C0] vprintk_emit+0x29a/0x7f0 [ 152.049282][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 152.049298][ C0] dev_printk_emit+0x1ce/0x210 [ 152.049314][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 152.049331][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.049348][ C0] __dev_printk+0x3dc/0x458 [ 152.049363][ C0] _dev_info+0x1e5/0x22a [ 152.049377][ C0] ? usb_read8+0xe7/0x130 [ 152.049392][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 152.049409][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 152.049426][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 152.049442][ C0] ? r871x_dev_unload+0x310/0x310 [ 152.049458][ C0] usb_probe_interface+0xfcc/0x1520 [ 152.049474][ C0] ? usb_register_driver+0x900/0x900 [ 152.049490][ C0] really_probe+0xe15/0x24d0 [ 152.049506][ C0] driver_probe_device+0x29d/0x3a0 [ 152.049522][ C0] __device_attach_driver+0x63f/0x830 [ 152.049538][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 152.049555][ C0] ? deferred_probe_work_func+0x400/0x400 [ 152.049572][ C0] __device_attach+0x56a/0x890 [ 152.049594][ C0] device_initial_probe+0x4a/0x60 [ 152.049610][ C0] bus_probe_device+0x17e/0x3d0 [ 152.049626][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.049643][ C0] device_add+0x2c15/0x31d0 [ 152.049658][ C0] usb_set_configuration+0x3872/0x3eb0 [ 152.049675][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 152.049692][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 152.049710][ C0] usb_generic_driver_probe+0x138/0x300 [ 152.049727][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 152.049744][ C0] usb_probe_device+0x317/0x570 [ 152.049760][ C0] ? usb_register_device_driver+0x590/0x590 [ 152.049777][ C0] really_probe+0xe15/0x24d0 [ 152.049792][ C0] driver_probe_device+0x29d/0x3a0 [ 152.049808][ C0] __device_attach_driver+0x63f/0x830 [ 152.049825][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 152.049841][ C0] ? deferred_probe_work_func+0x400/0x400 [ 152.049858][ C0] __device_attach+0x56a/0x890 [ 152.049876][ C0] device_initial_probe+0x4a/0x60 [ 152.049905][ C0] bus_probe_device+0x17e/0x3d0 [ 152.049938][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.049973][ C0] device_add+0x2c15/0x31d0 [ 152.050005][ C0] usb_new_device+0x1bd4/0x2a30