[ OK ] Started Permit User Sessions. [ OK ] Started System Logging Service. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ ***] A start job is running for OpenBSD …Shell server (1min 26s / 2min 45s)[ **] A start job is running for OpenBSD …Shell server (1min 27s / 2min 45s)[ *] A start job is running for OpenBSD …Shell server (1min 28s / 2min 45s)[ **] A start job is running for OpenBSD …Shell server (1min 28s / 2min 45s)[ ***] A start job is running for OpenBSD …Shell server (1min 29s / 2min 45s)[ *** ] A start job is running for OpenBSD …ure Shell server (1min 31s / 3min)[ 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 '10.128.0.101' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 142.822160][ T3446] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 143.062398][ T3446] usb 1-1: Using ep0 maxpacket: 16 [ 143.192391][ T3446] usb 1-1: New USB device found, idVendor=0df6, idProduct=005b, bcdDevice=cc.ee [ 143.201513][ T3446] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 143.223964][ T3446] usb 1-1: config 0 descriptor?? [ 143.270395][ T3446] r8712u: register rtl8712_netdev_ops to netdev_ops [ 143.277232][ T3446] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 143.412263][ T3446] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 143.417281][ C0] ===================================================== [ 143.417307][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.417329][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Not tainted 5.12.0-rc6-syzkaller #0 [ 143.417355][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.417380][ C0] Workqueue: usb_hub_wq hub_event [ 143.417410][ C0] Call Trace: [ 143.417424][ C0] dump_stack+0x24c/0x2e0 [ 143.417439][ C0] kmsan_report+0xfb/0x1e0 [ 143.417455][ C0] __msan_warning+0x5c/0xa0 [ 143.417470][ C0] string+0x573/0x6d0 [ 143.417485][ C0] vsnprintf+0x1acd/0x3600 [ 143.417500][ C0] pointer+0x1cbb/0x1ea0 [ 143.417516][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.417534][ C0] vsnprintf+0x15f2/0x3600 [ 143.417550][ C0] vprintk_store+0x2ab/0x1df0 [ 143.417566][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.417585][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 143.417606][ C0] ? __printk_safe_enter+0xe/0x30 [ 143.417623][ C0] vprintk_emit+0x28e/0x8b0 [ 143.417639][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.417655][ C0] dev_printk_emit+0x1ce/0x210 [ 143.417672][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.417690][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.417708][ C0] __dev_printk+0x3dc/0x458 [ 143.417723][ C0] _dev_info+0x1e5/0x22a [ 143.417738][ C0] ? usb_read8+0xe7/0x130 [ 143.417754][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.417771][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.417788][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.417805][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.417821][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.417838][ C0] ? usb_register_driver+0x900/0x900 [ 143.417861][ C0] really_probe+0xe15/0x24d0 [ 143.417877][ C0] driver_probe_device+0x29d/0x3a0 [ 143.417894][ C0] __device_attach_driver+0x63f/0x830 [ 143.417911][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.417927][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.417945][ C0] __device_attach+0x56a/0x890 [ 143.417961][ C0] device_initial_probe+0x4a/0x60 [ 143.417977][ C0] bus_probe_device+0x17e/0x3d0 [ 143.417994][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.418011][ C0] device_add+0x2c15/0x31d0 [ 143.418028][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.418045][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 143.418063][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.418082][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.418104][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.418122][ C0] usb_probe_device+0x317/0x570 [ 143.418139][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.418157][ C0] really_probe+0xe15/0x24d0 [ 143.418173][ C0] driver_probe_device+0x29d/0x3a0 [ 143.418190][ C0] __device_attach_driver+0x63f/0x830 [ 143.418207][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.418227][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.418247][ C0] __device_attach+0x56a/0x890 [ 143.418264][ C0] device_initial_probe+0x4a/0x60 [ 143.418284][ C0] bus_probe_device+0x17e/0x3d0 [ 143.418301][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.418321][ C0] device_add+0x2c15/0x31d0 [ 143.418336][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.418352][ C0] hub_event+0x5b99/0x8870 [ 143.418368][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.418386][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.418403][ C0] ? led_work+0x780/0x780 [ 143.418420][ C0] process_one_work+0x1219/0x1fe0 [ 143.418436][ C0] worker_thread+0x10ec/0x2340 [ 143.418452][ C0] kthread+0x521/0x560 [ 143.418467][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.418484][ C0] ? kthread_blkcg+0x110/0x110 [ 143.418505][ C0] ret_from_fork+0x1f/0x30 [ 143.418526][ C0] [ 143.418540][ C0] Local variable ----data@usb_read8 created at: [ 143.418559][ C0] usb_read8+0x5d/0x130 [ 143.418574][ C0] usb_read8+0x5d/0x130 [ 143.418592][ C0] ===================================================== [ 143.418613][ C0] Disabling lock debugging due to kernel taint [ 143.418634][ C0] ===================================================== [ 143.418655][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.418678][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.418705][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.418730][ C0] Workqueue: usb_hub_wq hub_event [ 143.418761][ C0] Call Trace: [ 143.418775][ C0] dump_stack+0x24c/0x2e0 [ 143.418790][ C0] kmsan_report+0xfb/0x1e0 [ 143.418805][ C0] __msan_warning+0x5c/0xa0 [ 143.418820][ C0] string+0x573/0x6d0 [ 143.418835][ C0] vsnprintf+0x1acd/0x3600 [ 143.418855][ C0] pointer+0x1cbb/0x1ea0 [ 143.418871][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.418889][ C0] vsnprintf+0x15f2/0x3600 [ 143.418904][ C0] vprintk_store+0x2ab/0x1df0 [ 143.418921][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.418939][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 143.418957][ C0] ? __printk_safe_enter+0xe/0x30 [ 143.418974][ C0] vprintk_emit+0x28e/0x8b0 [ 143.418990][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.419006][ C0] dev_printk_emit+0x1ce/0x210 [ 143.419023][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.419041][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.419058][ C0] __dev_printk+0x3dc/0x458 [ 143.419073][ C0] _dev_info+0x1e5/0x22a [ 143.419088][ C0] ? usb_read8+0xe7/0x130 [ 143.419104][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.419121][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.419138][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.419155][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.419172][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.419189][ C0] ? usb_register_driver+0x900/0x900 [ 143.419206][ C0] really_probe+0xe15/0x24d0 [ 143.419222][ C0] driver_probe_device+0x29d/0x3a0 [ 143.419239][ C0] __device_attach_driver+0x63f/0x830 [ 143.419256][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.419273][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.419290][ C0] __device_attach+0x56a/0x890 [ 143.419306][ C0] device_initial_probe+0x4a/0x60 [ 143.419323][ C0] bus_probe_device+0x17e/0x3d0 [ 143.419339][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.419357][ C0] device_add+0x2c15/0x31d0 [ 143.419372][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.419390][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 143.419408][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.419426][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.419444][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.419461][ C0] usb_probe_device+0x317/0x570 [ 143.419478][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.419495][ C0] really_probe+0xe15/0x24d0 [ 143.419511][ C0] driver_probe_device+0x29d/0x3a0 [ 143.419527][ C0] __device_attach_driver+0x63f/0x830 [ 143.419544][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.419561][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.419578][ C0] __device_attach+0x56a/0x890 [ 143.419594][ C0] device_initial_probe+0x4a/0x60 [ 143.419610][ C0] bus_probe_device+0x17e/0x3d0 [ 143.419627][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.419644][ C0] device_add+0x2c15/0x31d0 [ 143.419659][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.419675][ C0] hub_event+0x5b99/0x8870 [ 143.419691][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.419708][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.419725][ C0] ? led_work+0x780/0x780 [ 143.419740][ C0] process_one_work+0x1219/0x1fe0 [ 143.419756][ C0] worker_thread+0x10ec/0x2340 [ 143.419772][ C0] kthread+0x521/0x560 [ 143.419787][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.419803][ C0] ? kthread_blkcg+0x110/0x110 [ 143.419819][ C0] ret_from_fork+0x1f/0x30 [ 143.419833][ C0] [ 143.419846][ C0] Local variable ----data@usb_read8 created at: [ 143.419870][ C0] usb_read8+0x5d/0x130 [ 143.419886][ C0] usb_read8+0x5d/0x130 [ 143.419903][ C0] ===================================================== [ 143.419924][ C0] ===================================================== [ 143.419945][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.419968][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.419995][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.420019][ C0] Workqueue: usb_hub_wq hub_event [ 143.420047][ C0] Call Trace: [ 143.420060][ C0] dump_stack+0x24c/0x2e0 [ 143.420075][ C0] kmsan_report+0xfb/0x1e0 [ 143.420091][ C0] __msan_warning+0x5c/0xa0 [ 143.420106][ C0] string+0x573/0x6d0 [ 143.420120][ C0] vsnprintf+0x1acd/0x3600 [ 143.420135][ C0] pointer+0x1cbb/0x1ea0 [ 143.420151][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.420168][ C0] vsnprintf+0x15f2/0x3600 [ 143.420183][ C0] vprintk_store+0x2ab/0x1df0 [ 143.420199][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.420217][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 143.420235][ C0] ? __printk_safe_enter+0xe/0x30 [ 143.420251][ C0] vprintk_emit+0x28e/0x8b0 [ 143.420267][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.420282][ C0] dev_printk_emit+0x1ce/0x210 [ 143.420299][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.420320][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.420338][ C0] __dev_printk+0x3dc/0x458 [ 143.420355][ C0] _dev_info+0x1e5/0x22a [ 143.420370][ C0] ? usb_read8+0xe7/0x130 [ 143.420385][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.420402][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.420419][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.420435][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.420452][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.420469][ C0] ? usb_register_driver+0x900/0x900 [ 143.420486][ C0] really_probe+0xe15/0x24d0 [ 143.420502][ C0] driver_probe_device+0x29d/0x3a0 [ 143.420518][ C0] __device_attach_driver+0x63f/0x830 [ 143.420536][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.420553][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.420570][ C0] __device_attach+0x56a/0x890 [ 143.420587][ C0] device_initial_probe+0x4a/0x60 [ 143.420603][ C0] bus_probe_device+0x17e/0x3d0 [ 143.420620][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.420638][ C0] device_add+0x2c15/0x31d0 [ 143.420673][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.420694][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 143.420712][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.420731][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.420749][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.420766][ C0] usb_probe_device+0x317/0x570 [ 143.420784][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.420802][ C0] really_probe+0xe15/0x24d0 [ 143.420818][ C0] driver_probe_device+0x29d/0x3a0 [ 143.420835][ C0] __device_attach_driver+0x63f/0x830 [ 143.420857][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.420874][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 143.420892][ C0] __device_attach+0x56a/0x890 [ 143.420908][ C0] device_initial_probe+0x4a/0x60 [ 143.420925][ C0] bus_probe_device+0x17e/0x3d0 [ 143.420942][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.420959][ C0] device_add+0x2c15/0x31d0 [ 143.420975][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.420991][ C0] hub_event+0x5b99/0x8870 [ 143.421007][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.421025][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.421042][ C0] ? led_work+0x780/0x780 [ 143.421058][ C0] process_one_work+0x1219/0x1fe0 [ 143.421074][ C0] worker_thread+0x10ec/0x2340 [ 143.421089][ C0] kthread+0x521/0x560 [ 143.421105][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.421121][ C0] ? kthread_blkcg+0x110/0x110 [ 143.421137][ C0] ret_from_fork+0x1f/0x30 [ 143.421151][ C0] [ 143.421165][ C0] Local variable ----data@usb_read8 created at: [ 143.421183][ C0] usb_read8+0x5d/0x130 [ 143.421199][ C0] usb_read8+0x5d/0x130 [ 143.421216][ C0] ===================================================== [ 143.421237][ C0] ===================================================== [ 143.421258][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.421280][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 143.421307][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.421332][ C0] Workqueue: usb_hub_wq hub_event [ 143.421364][ C0] Call Trace: [ 143.421378][ C0] dump_stack+0x24c/0x2e0 [ 143.421393][ C0] kmsan_report+0xfb/0x1e0 [ 143.421408][ C0] __msan_warning+0x5c/0xa0 [ 143.421423][ C0] string+0x573/0x6d0 [ 143.421437][ C0] vsnprintf+0x1acd/0x3600 [ 143.421452][ C0] pointer+0x1cbb/0x1ea0 [ 143.421467][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.421485][ C0] vsnprintf+0x15f2/0x3600 [ 143.421500][ C0] vprintk_store+0x2ab/0x1df0 [ 143.421518][ C0] ? kmsan_internal_ [ 143.421543][ C0] Lost 1731 message(s)! [ 144.697360][ T3446] ===================================================== [ 144.704329][ T3446] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 144.711745][ T3446] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 144.721574][ T3446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.731642][ T3446] Workqueue: usb_hub_wq hub_event [ 144.736694][ T3446] Call Trace: [ 144.739974][ T3446] dump_stack+0x24c/0x2e0 [ 144.744325][ T3446] kmsan_report+0xfb/0x1e0 [ 144.748753][ T3446] __msan_warning+0x5c/0xa0 [ 144.753265][ T3446] r871xu_drv_init+0x1a86/0x2fe0 [ 144.758222][ T3446] ? r871x_dev_unload+0x310/0x310 [ 144.763272][ T3446] usb_probe_interface+0xfcc/0x1520 [ 144.768493][ T3446] ? usb_register_driver+0x900/0x900 [ 144.773793][ T3446] really_probe+0xe15/0x24d0 [ 144.778395][ T3446] driver_probe_device+0x29d/0x3a0 [ 144.783520][ T3446] __device_attach_driver+0x63f/0x830 [ 144.788907][ T3446] bus_for_each_drv+0x2c8/0x3f0 [ 144.793787][ T3446] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.799526][ T3446] __device_attach+0x56a/0x890 [ 144.804304][ T3446] device_initial_probe+0x4a/0x60 [ 144.809354][ T3446] bus_probe_device+0x17e/0x3d0 [ 144.814225][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.820045][ T3446] device_add+0x2c15/0x31d0 [ 144.824577][ T3446] usb_set_configuration+0x3872/0x3eb0 [ 144.830082][ T3446] ? usb_set_configuration+0xae1/0x3eb0 [ 144.835651][ T3446] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 144.841753][ T3446] usb_generic_driver_probe+0x138/0x300 [ 144.847313][ T3446] ? usb_choose_configuration+0xee0/0xee0 [ 144.853046][ T3446] usb_probe_device+0x317/0x570 [ 144.858273][ T3446] ? usb_register_device_driver+0x590/0x590 [ 144.864184][ T3446] really_probe+0xe15/0x24d0 [ 144.868788][ T3446] driver_probe_device+0x29d/0x3a0 [ 144.873912][ T3446] __device_attach_driver+0x63f/0x830 [ 144.879297][ T3446] bus_for_each_drv+0x2c8/0x3f0 [ 144.884165][ T3446] ? deferred_probe_work_func+0x4d0/0x4d0 [ 144.889898][ T3446] __device_attach+0x56a/0x890 [ 144.894670][ T3446] device_initial_probe+0x4a/0x60 [ 144.899703][ T3446] bus_probe_device+0x17e/0x3d0 [ 144.904569][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.910386][ T3446] device_add+0x2c15/0x31d0 [ 144.914904][ T3446] usb_new_device+0x1bd4/0x2a30 [ 144.919774][ T3446] hub_event+0x5b99/0x8870 [ 144.924214][ T3446] ? kmsan_get_metadata+0x116/0x180 [ 144.929428][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.935246][ T3446] ? led_work+0x780/0x780 [ 144.939586][ T3446] process_one_work+0x1219/0x1fe0 [ 144.944649][ T3446] worker_thread+0x10ec/0x2340 [ 144.949439][ T3446] kthread+0x521/0x560 [ 144.953522][ T3446] ? process_one_work+0x1fe0/0x1fe0 [ 144.958999][ T3446] ? kthread_blkcg+0x110/0x110 [ 144.963782][ T3446] ret_from_fork+0x1f/0x30 [ 144.968223][ T3446] [ 144.970539][ T3446] Local variable ----data@usb_read8 created at: [ 144.976792][ T3446] usb_read8+0x5d/0x130 [ 144.980962][ T3446] usb_read8+0x5d/0x130 [ 144.985127][ T3446] ===================================================== [ 144.992311][ T3446] ===================================================== [ 144.999264][ T3446] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 145.006578][ T3446] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 145.016396][ T3446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program [ 145.026489][ T3446] Workqueue: usb_hub_wq hub_event [ 145.031541][ T3446] Call Trace: [ 145.034827][ T3446] dump_stack+0x24c/0x2e0 [ 145.039213][ T3446] kmsan_report+0xfb/0x1e0 [ 145.043732][ T3446] __msan_warning+0x5c/0xa0 [ 145.048282][ T3446] r871xu_drv_init+0x2a38/0x2fe0 [ 145.053249][ T3446] ? r871x_dev_unload+0x310/0x310 [ 145.058384][ T3446] usb_probe_interface+0xfcc/0x1520 [ 145.063619][ T3446] ? usb_register_driver+0x900/0x900 [ 145.068930][ T3446] really_probe+0xe15/0x24d0 [ 145.073547][ T3446] driver_probe_device+0x29d/0x3a0 [ 145.078681][ T3446] __device_attach_driver+0x63f/0x830 [ 145.084073][ T3446] bus_for_each_drv+0x2c8/0x3f0 [ 145.088953][ T3446] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.094715][ T3446] __device_attach+0x56a/0x890 [ 145.099505][ T3446] device_initial_probe+0x4a/0x60 [ 145.104548][ T3446] bus_probe_device+0x17e/0x3d0 [ 145.109446][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.115274][ T3446] device_add+0x2c15/0x31d0 [ 145.119803][ T3446] usb_set_configuration+0x3872/0x3eb0 [ 145.125311][ T3446] ? usb_set_configuration+0xae1/0x3eb0 [ 145.130884][ T3446] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.137003][ T3446] usb_generic_driver_probe+0x138/0x300 [ 145.142592][ T3446] ? usb_choose_configuration+0xee0/0xee0 [ 145.148334][ T3446] usb_probe_device+0x317/0x570 [ 145.153233][ T3446] ? usb_register_device_driver+0x590/0x590 [ 145.159149][ T3446] really_probe+0xe15/0x24d0 [ 145.163760][ T3446] driver_probe_device+0x29d/0x3a0 [ 145.168890][ T3446] __device_attach_driver+0x63f/0x830 [ 145.174281][ T3446] bus_for_each_drv+0x2c8/0x3f0 [ 145.179157][ T3446] ? deferred_probe_work_func+0x4d0/0x4d0 [ 145.184900][ T3446] __device_attach+0x56a/0x890 [ 145.189681][ T3446] device_initial_probe+0x4a/0x60 [ 145.194764][ T3446] bus_probe_device+0x17e/0x3d0 [ 145.199639][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.205483][ T3446] device_add+0x2c15/0x31d0 [ 145.210012][ T3446] usb_new_device+0x1bd4/0x2a30 [ 145.214887][ T3446] hub_event+0x5b99/0x8870 [ 145.219331][ T3446] ? kmsan_get_metadata+0x116/0x180 [ 145.224550][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.230377][ T3446] ? led_work+0x780/0x780 [ 145.234722][ T3446] process_one_work+0x1219/0x1fe0 [ 145.239777][ T3446] worker_thread+0x10ec/0x2340 [ 145.244570][ T3446] kthread+0x521/0x560 [ 145.248658][ T3446] ? process_one_work+0x1fe0/0x1fe0 [ 145.253881][ T3446] ? kthread_blkcg+0x110/0x110 [ 145.258715][ T3446] ret_from_fork+0x1f/0x30 [ 145.263159][ T3446] [ 145.265533][ T3446] Local variable ----mac@r871xu_drv_init created at: [ 145.272224][ T3446] r871xu_drv_init+0x189d/0x2fe0 [ 145.277189][ T3446] r871xu_drv_init+0x189d/0x2fe0 [ 145.282149][ T3446] ===================================================== [ 145.289414][ T3446] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 145.297121][ T3446] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 145.309425][ T3446] usb 1-1: USB disconnect, device number 2 [ 145.340537][ T3684] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 145.349699][ T3684] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 145.424995][ T3684] usb 1-1: r8712u: Firmware request failed [ 145.842230][ T3446] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 146.092143][ T3446] usb 1-1: Using ep0 maxpacket: 16 [ 146.212292][ T3446] usb 1-1: New USB device found, idVendor=0df6, idProduct=005b, bcdDevice=cc.ee [ 146.221513][ T3446] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 146.243722][ T3446] usb 1-1: config 0 descriptor?? [ 146.287818][ T3446] r8712u: register rtl8712_netdev_ops to netdev_ops [ 146.294633][ T3446] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 146.402417][ T3446] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 146.408009][ C0] ===================================================== [ 146.408035][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 146.408058][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.408086][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.408111][ C0] Workqueue: usb_hub_wq hub_event [ 146.408141][ C0] Call Trace: executing program [ 146.408155][ C0] dump_stack+0x24c/0x2e0 [ 146.408170][ C0] kmsan_report+0xfb/0x1e0 [ 146.408186][ C0] __msan_warning+0x5c/0xa0 [ 146.408201][ C0] string+0x573/0x6d0 [ 146.408221][ C0] vsnprintf+0x1acd/0x3600 [ 146.408236][ C0] pointer+0x1cbb/0x1ea0 [ 146.408252][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.408270][ C0] vsnprintf+0x15f2/0x3600 [ 146.408285][ C0] vprintk_store+0x2ab/0x1df0 [ 146.408302][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.408320][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 146.408338][ C0] ? __printk_safe_enter+0xe/0x30 [ 146.408355][ C0] vprintk_emit+0x28e/0x8b0 [ 146.408370][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 146.408387][ C0] dev_printk_emit+0x1ce/0x210 [ 146.408403][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 146.408421][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.408439][ C0] __dev_printk+0x3dc/0x458 [ 146.408454][ C0] _dev_info+0x1e5/0x22a [ 146.408469][ C0] ? usb_read8+0xe7/0x130 [ 146.408485][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 146.408502][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 146.408519][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 146.408535][ C0] ? r871x_dev_unload+0x310/0x310 [ 146.408552][ C0] usb_probe_interface+0xfcc/0x1520 [ 146.408569][ C0] ? usb_register_driver+0x900/0x900 [ 146.408585][ C0] really_probe+0xe15/0x24d0 [ 146.408601][ C0] driver_probe_device+0x29d/0x3a0 [ 146.408618][ C0] __device_attach_driver+0x63f/0x830 [ 146.408635][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.408651][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.408669][ C0] __device_attach+0x56a/0x890 [ 146.408684][ C0] device_initial_probe+0x4a/0x60 [ 146.408703][ C0] bus_probe_device+0x17e/0x3d0 [ 146.408720][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.408737][ C0] device_add+0x2c15/0x31d0 [ 146.408753][ C0] usb_set_configuration+0x3872/0x3eb0 [ 146.408770][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 146.408789][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 146.408826][ C0] usb_generic_driver_probe+0x138/0x300 [ 146.408863][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 146.408901][ C0] usb_probe_device+0x317/0x570 [ 146.408938][ C0] ? usb_register_device_driver+0x590/0x590 [ 146.408976][ C0] really_probe+0xe15/0x24d0 [ 146.409005][ C0] driver_probe_device+0x29d/0x3a0 [ 146.409022][ C0] __device_attach_driver+0x63f/0x830 [ 146.409039][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.409055][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.409073][ C0] __device_attach+0x56a/0x890 [ 146.409090][ C0] device_initial_probe+0x4a/0x60 [ 146.409106][ C0] bus_probe_device+0x17e/0x3d0 [ 146.409123][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.409140][ C0] device_add+0x2c15/0x31d0 [ 146.409156][ C0] usb_new_device+0x1bd4/0x2a30 [ 146.409172][ C0] hub_event+0x5b99/0x8870 [ 146.409187][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.409204][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.409227][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.409245][ C0] ? led_work+0x780/0x780 [ 146.409261][ C0] process_one_work+0x1219/0x1fe0 [ 146.409277][ C0] worker_thread+0x12bc/0x2340 [ 146.409293][ C0] kthread+0x521/0x560 [ 146.409308][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 146.409325][ C0] ? kthread_blkcg+0x110/0x110 [ 146.409341][ C0] ret_from_fork+0x1f/0x30 [ 146.409356][ C0] [ 146.409370][ C0] Local variable ----data@usb_read8 created at: [ 146.409389][ C0] usb_read8+0x5d/0x130 [ 146.409404][ C0] usb_read8+0x5d/0x130 [ 146.409421][ C0] ===================================================== [ 146.409443][ C0] ===================================================== [ 146.409464][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 146.409486][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.409513][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.409538][ C0] Workqueue: usb_hub_wq hub_event [ 146.409567][ C0] Call Trace: [ 146.409580][ C0] dump_stack+0x24c/0x2e0 [ 146.409595][ C0] kmsan_report+0xfb/0x1e0 [ 146.409610][ C0] __msan_warning+0x5c/0xa0 [ 146.409625][ C0] string+0x573/0x6d0 [ 146.409639][ C0] vsnprintf+0x1acd/0x3600 [ 146.409654][ C0] pointer+0x1cbb/0x1ea0 [ 146.409673][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.409691][ C0] vsnprintf+0x15f2/0x3600 [ 146.409706][ C0] vprintk_store+0x2ab/0x1df0 [ 146.409722][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.409740][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 146.409761][ C0] ? __printk_safe_enter+0xe/0x30 [ 146.409777][ C0] vprintk_emit+0x28e/0x8b0 [ 146.409793][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 146.409809][ C0] dev_printk_emit+0x1ce/0x210 [ 146.409826][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 146.409844][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.409861][ C0] __dev_printk+0x3dc/0x458 [ 146.409876][ C0] _dev_info+0x1e5/0x22a [ 146.409891][ C0] ? usb_read8+0xe7/0x130 [ 146.409906][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 146.409923][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 146.409941][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 146.409957][ C0] ? r871x_dev_unload+0x310/0x310 [ 146.409979][ C0] usb_probe_interface+0xfcc/0x1520 [ 146.410015][ C0] ? usb_register_driver+0x900/0x900 [ 146.410050][ C0] really_probe+0xe15/0x24d0 [ 146.410085][ C0] driver_probe_device+0x29d/0x3a0 [ 146.410120][ C0] __device_attach_driver+0x63f/0x830 [ 146.410157][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.410184][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.410202][ C0] __device_attach+0x56a/0x890 [ 146.410224][ C0] device_initial_probe+0x4a/0x60 [ 146.410241][ C0] bus_probe_device+0x17e/0x3d0 [ 146.410258][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.410276][ C0] device_add+0x2c15/0x31d0 [ 146.410292][ C0] usb_set_configuration+0x3872/0x3eb0 [ 146.410310][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 146.410328][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 146.410347][ C0] usb_generic_driver_probe+0x138/0x300 [ 146.410365][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 146.410383][ C0] usb_probe_device+0x317/0x570 [ 146.410400][ C0] ? usb_register_device_driver+0x590/0x590 [ 146.410417][ C0] really_probe+0xe15/0x24d0 [ 146.410433][ C0] driver_probe_device+0x29d/0x3a0 [ 146.410450][ C0] __device_attach_driver+0x63f/0x830 [ 146.410467][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.410484][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.410501][ C0] __device_attach+0x56a/0x890 [ 146.410517][ C0] device_initial_probe+0x4a/0x60 [ 146.410533][ C0] bus_probe_device+0x17e/0x3d0 [ 146.410550][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.410567][ C0] device_add+0x2c15/0x31d0 [ 146.410583][ C0] usb_new_device+0x1bd4/0x2a30 [ 146.410598][ C0] hub_event+0x5b99/0x8870 [ 146.410614][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.410631][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.410648][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.410665][ C0] ? led_work+0x780/0x780 [ 146.410680][ C0] process_one_work+0x1219/0x1fe0 [ 146.410697][ C0] worker_thread+0x12bc/0x2340 [ 146.410712][ C0] kthread+0x521/0x560 [ 146.410727][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 146.410744][ C0] ? kthread_blkcg+0x110/0x110 [ 146.410759][ C0] ret_from_fork+0x1f/0x30 [ 146.410773][ C0] [ 146.410787][ C0] Local variable ----data@usb_read8 created at: [ 146.410806][ C0] usb_read8+0x5d/0x130 [ 146.410821][ C0] usb_read8+0x5d/0x130 [ 146.410838][ C0] ===================================================== [ 146.410862][ C0] ===================================================== [ 146.410883][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 146.410905][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.410932][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.410957][ C0] Workqueue: usb_hub_wq hub_event [ 146.410985][ C0] Call Trace: [ 146.410999][ C0] dump_stack+0x24c/0x2e0 [ 146.411014][ C0] kmsan_report+0xfb/0x1e0 [ 146.411029][ C0] __msan_warning+0x5c/0xa0 [ 146.411044][ C0] string+0x573/0x6d0 [ 146.411058][ C0] vsnprintf+0x1acd/0x3600 [ 146.411073][ C0] pointer+0x1cbb/0x1ea0 [ 146.411088][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.411106][ C0] vsnprintf+0x15f2/0x3600 [ 146.411121][ C0] vprintk_store+0x2ab/0x1df0 [ 146.411137][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 146.411162][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 146.411201][ C0] ? __printk_safe_enter+0xe/0x30 [ 146.411242][ C0] vprintk_emit+0x28e/0x8b0 [ 146.411275][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 146.411309][ C0] dev_printk_emit+0x1ce/0x210 [ 146.411343][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 146.411365][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.411382][ C0] __dev_printk+0x3dc/0x458 [ 146.411397][ C0] _dev_info+0x1e5/0x22a [ 146.411412][ C0] ? usb_read8+0xe7/0x130 [ 146.411428][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 146.411444][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 146.411462][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 146.411478][ C0] ? r871x_dev_unload+0x310/0x310 [ 146.411494][ C0] usb_probe_interface+0xfcc/0x1520 [ 146.411511][ C0] ? usb_register_driver+0x900/0x900 [ 146.411528][ C0] really_probe+0xe15/0x24d0 [ 146.411544][ C0] driver_probe_device+0x29d/0x3a0 [ 146.411560][ C0] __device_attach_driver+0x63f/0x830 [ 146.411577][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.411594][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.411611][ C0] __device_attach+0x56a/0x890 [ 146.411627][ C0] device_initial_probe+0x4a/0x60 [ 146.411643][ C0] bus_probe_device+0x17e/0x3d0 [ 146.411660][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.411677][ C0] device_add+0x2c15/0x31d0 [ 146.411693][ C0] usb_set_configuration+0x3872/0x3eb0 [ 146.411710][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 146.411728][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 146.411747][ C0] usb_generic_driver_probe+0x138/0x300 [ 146.411764][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 146.411782][ C0] usb_probe_device+0x317/0x570 [ 146.411801][ C0] ? usb_register_device_driver+0x590/0x590 [ 146.411819][ C0] really_probe+0xe15/0x24d0 [ 146.411835][ C0] driver_probe_device+0x29d/0x3a0 [ 146.411852][ C0] __device_attach_driver+0x63f/0x830 [ 146.411869][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 146.411886][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 146.411905][ C0] __device_attach+0x56a/0x890 [ 146.411922][ C0] device_initial_probe+0x4a/0x60 [ 146.411947][ C0] bus_probe_device+0x17e/0x3d0 [ 146.411982][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.412018][ C0] device_add+0x2c15/0x31d0 [ 146.412046][ C0] usb_new_device+0x1bd4/0x2a30 [ 146.412062][ C0] hub_event+0x5b99/0x8870 [ 146.412078][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.412095][ C0] ? kmsan_get_metadata+0x116/0x180 [ 146.412113][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.412130][ C0] ? led_work+0x780/0x780 [ 146.412146][ C0] process_one_work+0x1219/0x1fe0 [ 146.412162][ C0] worker_thread+0x12bc/0x2340 [ 146.412177][ C0] kthread+0x521/0x560 [ 146.412193][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 146.412209][ C0] ? kthread_blkcg+0x110/0x110 [ 146.412231][ C0] ret_from_fork+0x1f/0x30 [ 146.412246][ C0] [ 146.412259][ C0] Local variable ----data@usb_read8 created at: [ 146.412278][ C0] usb_read8+0x5d/0x130 [ 146.412294][ C0] usb_read8+0x5d/0x130 [ 146.412311][ C0] ===================================================== [ 146.412343][ C0] ===================================================== [ 146.412388][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 146.412436][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 146.412495][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.412536][ C0] Workqueue: usb_hub_wq hub_event [ 146.412565][ C0] Call Trace: [ 146.412579][ C0] dump_stack+0x24c/0x2e0 [ 146.412594][ C0] kmsan_report+0xfb/0x1e0 [ 146.412609][ C0] __msan_warning+0x5c/0xa0 [ 146.412625][ C0] string+0x573/0x6d0 [ 146.412639][ C0] vsnprintf+0x1acd/0x3600 [ 146.412655][ C0] pointer+0x1cbb/0x1ea0 [ 146.412670][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 146.412687][ C0] Lost 1757 message(s)! [ 147.691517][ T3446] ===================================================== [ 147.698490][ T3446] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 147.705807][ T3446] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 147.715628][ T3446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.725794][ T3446] Workqueue: usb_hub_wq hub_event [ 147.730824][ T3446] Call Trace: [ 147.734116][ T3446] dump_stack+0x24c/0x2e0 [ 147.738480][ T3446] kmsan_report+0xfb/0x1e0 [ 147.742908][ T3446] __msan_warning+0x5c/0xa0 [ 147.747399][ T3446] r871xu_drv_init+0x1a86/0x2fe0 [ 147.752329][ T3446] ? r871x_dev_unload+0x310/0x310 [ 147.757341][ T3446] usb_probe_interface+0xfcc/0x1520 [ 147.762537][ T3446] ? usb_register_driver+0x900/0x900 [ 147.767812][ T3446] really_probe+0xe15/0x24d0 [ 147.772427][ T3446] driver_probe_device+0x29d/0x3a0 [ 147.777530][ T3446] __device_attach_driver+0x63f/0x830 [ 147.782905][ T3446] bus_for_each_drv+0x2c8/0x3f0 [ 147.787750][ T3446] ? deferred_probe_work_func+0x4d0/0x4d0 [ 147.793483][ T3446] __device_attach+0x56a/0x890 [ 147.798250][ T3446] device_initial_probe+0x4a/0x60 [ 147.803280][ T3446] bus_probe_device+0x17e/0x3d0 [ 147.808140][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.813952][ T3446] device_add+0x2c15/0x31d0 [ 147.818450][ T3446] usb_set_configuration+0x3872/0x3eb0 [ 147.823916][ T3446] ? usb_set_configuration+0xae1/0x3eb0 [ 147.829469][ T3446] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 147.835545][ T3446] usb_generic_driver_probe+0x138/0x300 [ 147.841081][ T3446] ? usb_choose_configuration+0xee0/0xee0 [ 147.846785][ T3446] usb_probe_device+0x317/0x570 [ 147.851649][ T3446] ? usb_register_device_driver+0x590/0x590 [ 147.857531][ T3446] really_probe+0xe15/0x24d0 [ 147.862120][ T3446] driver_probe_device+0x29d/0x3a0 [ 147.867227][ T3446] __device_attach_driver+0x63f/0x830 [ 147.872613][ T3446] bus_for_each_drv+0x2c8/0x3f0 [ 147.877461][ T3446] ? deferred_probe_work_func+0x4d0/0x4d0 [ 147.883168][ T3446] __device_attach+0x56a/0x890 [ 147.887932][ T3446] device_initial_probe+0x4a/0x60 [ 147.892946][ T3446] bus_probe_device+0x17e/0x3d0 [ 147.897841][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.903660][ T3446] device_add+0x2c15/0x31d0 [ 147.908160][ T3446] usb_new_device+0x1bd4/0x2a30 [ 147.913013][ T3446] hub_event+0x5b99/0x8870 [ 147.917422][ T3446] ? kmsan_get_metadata+0x116/0x180 [ 147.922648][ T3446] ? kmsan_get_metadata+0x116/0x180 [ 147.927852][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.933679][ T3446] ? led_work+0x780/0x780 [ 147.938020][ T3446] process_one_work+0x1219/0x1fe0 [ 147.943058][ T3446] worker_thread+0x12bc/0x2340 [ 147.947853][ T3446] kthread+0x521/0x560 [ 147.951920][ T3446] ? process_one_work+0x1fe0/0x1fe0 [ 147.957130][ T3446] ? kthread_blkcg+0x110/0x110 [ 147.961908][ T3446] ret_from_fork+0x1f/0x30 [ 147.966369][ T3446] [ 147.968702][ T3446] Local variable ----data@usb_read8 created at: [ 147.974949][ T3446] usb_read8+0x5d/0x130 [ 147.979094][ T3446] usb_read8+0x5d/0x130 [ 147.983262][ T3446] ===================================================== [ 147.990383][ T3446] ===================================================== [ 147.997355][ T3446] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 148.004646][ T3446] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 148.014444][ T3446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.024502][ T3446] Workqueue: usb_hub_wq hub_event [ 148.029518][ T3446] Call Trace: [ 148.032782][ T3446] dump_stack+0x24c/0x2e0 [ 148.037103][ T3446] kmsan_report+0xfb/0x1e0 [ 148.041507][ T3446] __msan_warning+0x5c/0xa0 [ 148.046002][ T3446] r871xu_drv_init+0x2a38/0x2fe0 [ 148.050959][ T3446] ? r871x_dev_unload+0x310/0x310 [ 148.055993][ T3446] usb_probe_interface+0xfcc/0x1520 [ 148.061192][ T3446] ? usb_register_driver+0x900/0x900 [ 148.066495][ T3446] really_probe+0xe15/0x24d0 [ 148.071074][ T3446] driver_probe_device+0x29d/0x3a0 [ 148.076183][ T3446] __device_attach_driver+0x63f/0x830 [ 148.081545][ T3446] bus_for_each_drv+0x2c8/0x3f0 [ 148.086387][ T3446] ? deferred_probe_work_func+0x4d0/0x4d0 [ 148.092097][ T3446] __device_attach+0x56a/0x890 [ 148.096885][ T3446] device_initial_probe+0x4a/0x60 [ 148.101981][ T3446] bus_probe_device+0x17e/0x3d0 [ 148.106866][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.112697][ T3446] device_add+0x2c15/0x31d0 [ 148.117238][ T3446] usb_set_configuration+0x3872/0x3eb0 [ 148.122688][ T3446] ? usb_set_configuration+0xae1/0x3eb0 [ 148.128225][ T3446] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 148.134281][ T3446] usb_generic_driver_probe+0x138/0x300 [ 148.139841][ T3446] ? usb_choose_configuration+0xee0/0xee0 [ 148.145554][ T3446] usb_probe_device+0x317/0x570 [ 148.150463][ T3446] ? usb_register_device_driver+0x590/0x590 [ 148.156347][ T3446] really_probe+0xe15/0x24d0 [ 148.160927][ T3446] driver_probe_device+0x29d/0x3a0 [ 148.166026][ T3446] __device_attach_driver+0x63f/0x830 [ 148.171401][ T3446] bus_for_each_drv+0x2c8/0x3f0 [ 148.176274][ T3446] ? deferred_probe_work_func+0x4d0/0x4d0 [ 148.181987][ T3446] __device_attach+0x56a/0x890 [ 148.186774][ T3446] device_initial_probe+0x4a/0x60 [ 148.191787][ T3446] bus_probe_device+0x17e/0x3d0 [ 148.196629][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.202424][ T3446] device_add+0x2c15/0x31d0 [ 148.206919][ T3446] usb_new_device+0x1bd4/0x2a30 [ 148.211770][ T3446] hub_event+0x5b99/0x8870 [ 148.216186][ T3446] ? kmsan_get_metadata+0x116/0x180 [ 148.221391][ T3446] ? kmsan_get_metadata+0x116/0x180 [ 148.226602][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 148.232395][ T3446] ? led_work+0x780/0x780 [ 148.236721][ T3446] process_one_work+0x1219/0x1fe0 [ 148.241789][ T3446] worker_thread+0x12bc/0x2340 [ 148.246547][ T3446] kthread+0x521/0x560 [ 148.250605][ T3446] ? process_one_work+0x1fe0/0x1fe0 [ 148.255835][ T3446] ? kthread_blkcg+0x110/0x110 [ 148.260586][ T3446] ret_from_fork+0x1f/0x30 [ 148.264999][ T3446] [ 148.267308][ T3446] Local variable ----mac@r871xu_drv_init created at: [ 148.273956][ T3446] r871xu_drv_init+0x189d/0x2fe0 [ 148.278886][ T3446] r871xu_drv_init+0x189d/0x2fe0 [ 148.283843][ T3446] ===================================================== [ 148.291048][ T3446] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 148.298781][ T3446] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 148.310592][ T3684] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 148.319715][ T3684] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 148.329771][ T3446] usb 1-1: USB disconnect, device number 3 [ 148.360280][ T3684] usb 1-1: r8712u: Firmware request failed [ 148.722205][ T3446] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 148.962195][ T3446] usb 1-1: Using ep0 maxpacket: 16 [ 149.092347][ T3446] usb 1-1: New USB device found, idVendor=0df6, idProduct=005b, bcdDevice=cc.ee [ 149.101669][ T3446] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 149.123723][ T3446] usb 1-1: config 0 descriptor?? [ 149.179802][ T3446] r8712u: register rtl8712_netdev_ops to netdev_ops [ 149.186678][ T3446] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 149.302346][ T3446] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 149.307374][ C0] ===================================================== [ 149.307400][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 149.307423][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.307451][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.307476][ C0] Workqueue: usb_hub_wq hub_event [ 149.307506][ C0] Call Trace: [ 149.307520][ C0] dump_stack+0x24c/0x2e0 [ 149.307536][ C0] kmsan_report+0xfb/0x1e0 [ 149.307551][ C0] __msan_warning+0x5c/0xa0 [ 149.307566][ C0] string+0x573/0x6d0 [ 149.307581][ C0] vsnprintf+0x1acd/0x3600 [ 149.307595][ C0] pointer+0x1cbb/0x1ea0 [ 149.307611][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.307629][ C0] vsnprintf+0x15f2/0x3600 [ 149.307644][ C0] vprintk_store+0x2ab/0x1df0 [ 149.307661][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.307678][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 149.307696][ C0] ? __printk_safe_enter+0xe/0x30 [ 149.307713][ C0] vprintk_emit+0x28e/0x8b0 [ 149.307728][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 149.307744][ C0] dev_printk_emit+0x1ce/0x210 [ 149.307761][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 149.307779][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.307797][ C0] __dev_printk+0x3dc/0x458 [ 149.307812][ C0] _dev_info+0x1e5/0x22a [ 149.307827][ C0] ? usb_read8+0xe7/0x130 [ 149.307843][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 149.307866][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 149.307883][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 149.307900][ C0] ? r871x_dev_unload+0x310/0x310 [ 149.307916][ C0] usb_probe_interface+0xfcc/0x1520 [ 149.307934][ C0] ? usb_register_driver+0x900/0x900 [ 149.307951][ C0] really_probe+0xe15/0x24d0 [ 149.307966][ C0] driver_probe_device+0x29d/0x3a0 [ 149.307983][ C0] __device_attach_driver+0x63f/0x830 [ 149.308001][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 149.308018][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 149.308036][ C0] __device_attach+0x56a/0x890 [ 149.308052][ C0] device_initial_probe+0x4a/0x60 [ 149.308068][ C0] bus_probe_device+0x17e/0x3d0 [ 149.308085][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.308102][ C0] device_add+0x2c15/0x31d0 [ 149.308118][ C0] usb_set_configuration+0x3872/0x3eb0 [ 149.308136][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 149.308154][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 149.308172][ C0] usb_generic_driver_probe+0x138/0x300 [ 149.308190][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 149.308208][ C0] usb_probe_device+0x317/0x570 [ 149.308224][ C0] ? usb_register_device_driver+0x590/0x590 [ 149.308242][ C0] really_probe+0xe15/0x24d0 [ 149.308258][ C0] driver_probe_device+0x29d/0x3a0 [ 149.308275][ C0] __device_attach_driver+0x63f/0x830 [ 149.308291][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 149.308308][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 149.308325][ C0] __device_attach+0x56a/0x890 [ 149.308341][ C0] device_initial_probe+0x4a/0x60 [ 149.308358][ C0] bus_probe_device+0x17e/0x3d0 [ 149.308374][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.308391][ C0] device_add+0x2c15/0x31d0 [ 149.308407][ C0] usb_new_device+0x1bd4/0x2a30 [ 149.308423][ C0] hub_event+0x5b99/0x8870 [ 149.308438][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.308455][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.308472][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.308489][ C0] ? led_work+0x780/0x780 [ 149.308504][ C0] process_one_work+0x1219/0x1fe0 [ 149.308521][ C0] worker_thread+0x12bc/0x2340 [ 149.308536][ C0] kthread+0x521/0x560 [ 149.308552][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 149.308568][ C0] ? kthread_blkcg+0x110/0x110 [ 149.308584][ C0] ret_from_fork+0x1f/0x30 [ 149.308598][ C0] [ 149.308612][ C0] Local variable ----data@usb_read8 created at: [ 149.308631][ C0] usb_read8+0x5d/0x130 [ 149.308646][ C0] usb_read8+0x5d/0x130 [ 149.308663][ C0] ===================================================== [ 149.308686][ C0] ===================================================== [ 149.308707][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 149.308729][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.308756][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.308781][ C0] Workqueue: usb_hub_wq hub_event [ 149.308808][ C0] Call Trace: [ 149.308821][ C0] dump_stack+0x24c/0x2e0 [ 149.308840][ C0] kmsan_report+0xfb/0x1e0 [ 149.308860][ C0] __msan_warning+0x5c/0xa0 [ 149.308875][ C0] string+0x573/0x6d0 [ 149.308889][ C0] vsnprintf+0x1acd/0x3600 [ 149.308905][ C0] pointer+0x1cbb/0x1ea0 [ 149.308920][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.308945][ C0] vsnprintf+0x15f2/0x3600 [ 149.308962][ C0] vprintk_store+0x2ab/0x1df0 [ 149.308981][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.308999][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 149.309017][ C0] ? __printk_safe_enter+0xe/0x30 [ 149.309033][ C0] vprintk_emit+0x28e/0x8b0 [ 149.309051][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 149.309067][ C0] dev_printk_emit+0x1ce/0x210 [ 149.309084][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 149.309103][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.309123][ C0] __dev_printk+0x3dc/0x458 [ 149.309138][ C0] _dev_info+0x1e5/0x22a [ 149.309153][ C0] ? usb_read8+0xe7/0x130 [ 149.309169][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 149.309187][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 149.309205][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 149.309227][ C0] ? r871x_dev_unload+0x310/0x310 [ 149.309245][ C0] usb_probe_interface+0xfcc/0x1520 [ 149.309263][ C0] ? usb_register_driver+0x900/0x900 [ 149.309282][ C0] really_probe+0xe15/0x24d0 [ 149.309300][ C0] driver_probe_device+0x29d/0x3a0 [ 149.309317][ C0] __device_attach_driver+0x63f/0x830 [ 149.309334][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 149.309351][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 149.309369][ C0] __device_attach+0x56a/0x890 [ 149.309390][ C0] device_initial_probe+0x4a/0x60 [ 149.309407][ C0] bus_probe_device+0x17e/0x3d0 [ 149.309424][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.309444][ C0] device_add+0x2c15/0x31d0 [ 149.309462][ C0] usb_set_configuration+0x3872/0x3eb0 [ 149.309480][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 149.309501][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 149.309520][ C0] usb_generic_driver_probe+0x138/0x300 [ 149.309540][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 149.309558][ C0] usb_probe_device+0x317/0x570 [ 149.309577][ C0] ? usb_register_device_driver+0x590/0x590 [ 149.309596][ C0] really_probe+0xe15/0x24d0 [ 149.309615][ C0] driver_probe_device+0x29d/0x3a0 [ 149.309632][ C0] __device_attach_driver+0x63f/0x830 [ 149.309649][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 149.309666][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 149.309686][ C0] __device_attach+0x56a/0x890 [ 149.309705][ C0] device_initial_probe+0x4a/0x60 [ 149.309722][ C0] bus_probe_device+0x17e/0x3d0 [ 149.309741][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.309759][ C0] device_add+0x2c15/0x31d0 [ 149.309775][ C0] usb_new_device+0x1bd4/0x2a30 [ 149.309793][ C0] hub_event+0x5b99/0x8870 [ 149.309809][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.309826][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.309844][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.309865][ C0] ? led_work+0x780/0x780 [ 149.309881][ C0] process_one_work+0x1219/0x1fe0 [ 149.309897][ C0] worker_thread+0x12bc/0x2340 [ 149.309913][ C0] kthread+0x521/0x560 [ 149.309928][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 149.309947][ C0] ? kthread_blkcg+0x110/0x110 [ 149.309964][ C0] ret_from_fork+0x1f/0x30 [ 149.309980][ C0] [ 149.309994][ C0] Local variable ----data@usb_read8 created at: [ 149.310018][ C0] usb_read8+0x5d/0x130 [ 149.310033][ C0] usb_read8+0x5d/0x130 [ 149.310051][ C0] ===================================================== [ 149.310075][ C0] ===================================================== [ 149.310096][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 149.310119][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.310146][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.310171][ C0] Workqueue: usb_hub_wq hub_event [ 149.310202][ C0] Call Trace: [ 149.310217][ C0] dump_stack+0x24c/0x2e0 [ 149.310234][ C0] kmsan_report+0xfb/0x1e0 [ 149.310249][ C0] __msan_warning+0x5c/0xa0 [ 149.310267][ C0] string+0x573/0x6d0 [ 149.310282][ C0] vsnprintf+0x1acd/0x3600 [ 149.310299][ C0] pointer+0x1cbb/0x1ea0 [ 149.310315][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.310333][ C0] vsnprintf+0x15f2/0x3600 [ 149.310348][ C0] vprintk_store+0x2ab/0x1df0 [ 149.310365][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 149.310383][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 149.310402][ C0] ? __printk_safe_enter+0xe/0x30 [ 149.310418][ C0] vprintk_emit+0x28e/0x8b0 [ 149.310434][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 149.310450][ C0] dev_printk_emit+0x1ce/0x210 [ 149.310467][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 149.310485][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.310502][ C0] __dev_printk+0x3dc/0x458 [ 149.310518][ C0] _dev_info+0x1e5/0x22a [ 149.310532][ C0] ? usb_read8+0xe7/0x130 [ 149.310548][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 149.310565][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 149.310582][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 149.310598][ C0] ? r871x_dev_unload+0x310/0x310 [ 149.310615][ C0] usb_probe_interface+0xfcc/0x1520 [ 149.310632][ C0] ? usb_register_driver+0x900/0x900 [ 149.310649][ C0] really_probe+0xe15/0x24d0 [ 149.310665][ C0] driver_probe_device+0x29d/0x3a0 [ 149.310681][ C0] __device_attach_driver+0x63f/0x830 [ 149.310698][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 149.310715][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 149.310735][ C0] __device_attach+0x56a/0x890 [ 149.310751][ C0] device_initial_probe+0x4a/0x60 [ 149.310767][ C0] bus_probe_device+0x17e/0x3d0 [ 149.310786][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.310803][ C0] device_add+0x2c15/0x31d0 [ 149.310819][ C0] usb_set_configuration+0x3872/0x3eb0 [ 149.310837][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 149.310859][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 149.310878][ C0] usb_generic_driver_probe+0x138/0x300 [ 149.310896][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 149.310913][ C0] usb_probe_device+0x317/0x570 [ 149.310930][ C0] ? usb_register_device_driver+0x590/0x590 [ 149.310947][ C0] really_probe+0xe15/0x24d0 [ 149.310963][ C0] driver_probe_device+0x29d/0x3a0 [ 149.310980][ C0] __device_attach_driver+0x63f/0x830 [ 149.310996][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 149.311013][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 149.311031][ C0] __device_attach+0x56a/0x890 [ 149.311047][ C0] device_initial_probe+0x4a/0x60 [ 149.311064][ C0] bus_probe_device+0x17e/0x3d0 [ 149.311081][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.311099][ C0] device_add+0x2c15/0x31d0 [ 149.311115][ C0] usb_new_device+0x1bd4/0x2a30 [ 149.311131][ C0] hub_event+0x5b99/0x8870 [ 149.311147][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.311164][ C0] ? kmsan_get_metadata+0x116/0x180 [ 149.311181][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.311198][ C0] ? led_work+0x780/0x780 [ 149.311214][ C0] process_one_work+0x1219/0x1fe0 [ 149.311230][ C0] worker_thread+0x12bc/0x2340 [ 149.311246][ C0] kthread+0x521/0x560 [ 149.311265][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 149.311282][ C0] ? kthread_blkcg+0x110/0x110 [ 149.311298][ C0] ret_from_fork+0x1f/0x30 [ 149.311312][ C0] [ 149.311325][ C0] Local variable ----data@usb_read8 created at: [ 149.311344][ C0] usb_read8+0x5d/0x130 [ 149.311360][ C0] usb_read8+0x5d/0x130 [ 149.311379][ C0] ===================================================== [ 149.311401][ C0] ===================================================== [ 149.311425][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 149.311447][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 149.311475][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 149.311500][ C0] Workqueue: usb_hub_wq hub_event [ 149.311527][ C0] Call Trace: [ 149.311541][ C0] dump_stack+0x24c/0x2e0 [ 149.311556][ C0] kmsan_report+0xfb/0x1e0 [ 149.311572][ C0] __msan_warning+0x5c/0xa0 [ 149.311587][ C0] string+0x573/0x6d0 [ 149.311601][ C0] vsnprintf+0x1acd/0x3600 [ 149.311617][ C0] pointer+0x1cbb/0x1ea0 [ 149.311632][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 149.311649][ C0] Lost 1757 message(s)! [ 150.583540][ T3446] ===================================================== [ 150.590479][ T3446] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 150.597792][ T3446] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.607612][ T3446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.617684][ T3446] Workqueue: usb_hub_wq hub_event [ 150.622759][ T3446] Call Trace: [ 150.626058][ T3446] dump_stack+0x24c/0x2e0 [ 150.630415][ T3446] kmsan_report+0xfb/0x1e0 [ 150.634854][ T3446] __msan_warning+0x5c/0xa0 [ 150.639377][ T3446] r871xu_drv_init+0x1a86/0x2fe0 [ 150.644341][ T3446] ? r871x_dev_unload+0x310/0x310 [ 150.649392][ T3446] usb_probe_interface+0xfcc/0x1520 [ 150.654617][ T3446] ? usb_register_driver+0x900/0x900 [ 150.659959][ T3446] really_probe+0xe15/0x24d0 [ 150.664571][ T3446] driver_probe_device+0x29d/0x3a0 [ 150.669724][ T3446] __device_attach_driver+0x63f/0x830 [ 150.675119][ T3446] bus_for_each_drv+0x2c8/0x3f0 [ 150.679995][ T3446] ? deferred_probe_work_func+0x4d0/0x4d0 [ 150.685737][ T3446] __device_attach+0x56a/0x890 [ 150.690520][ T3446] device_initial_probe+0x4a/0x60 [ 150.695561][ T3446] bus_probe_device+0x17e/0x3d0 [ 150.700443][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.706273][ T3446] device_add+0x2c15/0x31d0 [ 150.710803][ T3446] usb_set_configuration+0x3872/0x3eb0 [ 150.716286][ T3446] ? usb_set_configuration+0xae1/0x3eb0 [ 150.721855][ T3446] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 150.727949][ T3446] usb_generic_driver_probe+0x138/0x300 [ 150.733521][ T3446] ? usb_choose_configuration+0xee0/0xee0 [ 150.739257][ T3446] usb_probe_device+0x317/0x570 [ 150.744133][ T3446] ? usb_register_device_driver+0x590/0x590 [ 150.750068][ T3446] really_probe+0xe15/0x24d0 [ 150.754704][ T3446] driver_probe_device+0x29d/0x3a0 [ 150.759839][ T3446] __device_attach_driver+0x63f/0x830 [ 150.765236][ T3446] bus_for_each_drv+0x2c8/0x3f0 [ 150.770110][ T3446] ? deferred_probe_work_func+0x4d0/0x4d0 [ 150.775848][ T3446] __device_attach+0x56a/0x890 [ 150.780665][ T3446] device_initial_probe+0x4a/0x60 [ 150.785750][ T3446] bus_probe_device+0x17e/0x3d0 [ 150.790630][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.796512][ T3446] device_add+0x2c15/0x31d0 [ 150.801051][ T3446] usb_new_device+0x1bd4/0x2a30 [ 150.805949][ T3446] hub_event+0x5b99/0x8870 [ 150.810406][ T3446] ? kmsan_get_metadata+0x116/0x180 [ 150.815650][ T3446] ? kmsan_get_metadata+0x116/0x180 [ 150.820866][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 150.826794][ T3446] ? led_work+0x780/0x780 [ 150.831156][ T3446] process_one_work+0x1219/0x1fe0 [ 150.836213][ T3446] worker_thread+0x12bc/0x2340 [ 150.841013][ T3446] kthread+0x521/0x560 [ 150.845097][ T3446] ? process_one_work+0x1fe0/0x1fe0 [ 150.850320][ T3446] ? kthread_blkcg+0x110/0x110 [ 150.855094][ T3446] ret_from_fork+0x1f/0x30 [ 150.859529][ T3446] [ 150.861850][ T3446] Local variable ----data@usb_read8 created at: [ 150.868112][ T3446] usb_read8+0x5d/0x130 [ 150.872301][ T3446] usb_read8+0x5d/0x130 [ 150.876472][ T3446] ===================================================== [ 150.883668][ T3446] ===================================================== [ 150.890609][ T3446] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 150.897967][ T3446] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 150.907879][ T3446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program [ 150.917977][ T3446] Workqueue: usb_hub_wq hub_event [ 150.923030][ T3446] Call Trace: [ 150.926318][ T3446] dump_stack+0x24c/0x2e0 [ 150.930680][ T3446] kmsan_report+0xfb/0x1e0 [ 150.935145][ T3446] __msan_warning+0x5c/0xa0 [ 150.939669][ T3446] r871xu_drv_init+0x2a38/0x2fe0 [ 150.944646][ T3446] ? r871x_dev_unload+0x310/0x310 [ 150.949697][ T3446] usb_probe_interface+0xfcc/0x1520 [ 150.954926][ T3446] ? usb_register_driver+0x900/0x900 [ 150.960238][ T3446] really_probe+0xe15/0x24d0 [ 150.964856][ T3446] driver_probe_device+0x29d/0x3a0 [ 150.969987][ T3446] __device_attach_driver+0x63f/0x830 [ 150.975381][ T3446] bus_for_each_drv+0x2c8/0x3f0 [ 150.980256][ T3446] ? deferred_probe_work_func+0x4d0/0x4d0 [ 150.985998][ T3446] __device_attach+0x56a/0x890 [ 150.990786][ T3446] device_initial_probe+0x4a/0x60 [ 150.995842][ T3446] bus_probe_device+0x17e/0x3d0 [ 151.000716][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.006542][ T3446] device_add+0x2c15/0x31d0 [ 151.011075][ T3446] usb_set_configuration+0x3872/0x3eb0 [ 151.016562][ T3446] ? usb_set_configuration+0xae1/0x3eb0 [ 151.022134][ T3446] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 151.028223][ T3446] usb_generic_driver_probe+0x138/0x300 [ 151.033791][ T3446] ? usb_choose_configuration+0xee0/0xee0 [ 151.039533][ T3446] usb_probe_device+0x317/0x570 [ 151.044403][ T3446] ? usb_register_device_driver+0x590/0x590 [ 151.050327][ T3446] really_probe+0xe15/0x24d0 [ 151.054945][ T3446] driver_probe_device+0x29d/0x3a0 [ 151.061373][ T3446] __device_attach_driver+0x63f/0x830 [ 151.066741][ T3446] bus_for_each_drv+0x2c8/0x3f0 [ 151.071627][ T3446] ? deferred_probe_work_func+0x4d0/0x4d0 [ 151.077347][ T3446] __device_attach+0x56a/0x890 [ 151.082099][ T3446] device_initial_probe+0x4a/0x60 [ 151.087110][ T3446] bus_probe_device+0x17e/0x3d0 [ 151.091958][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.097784][ T3446] device_add+0x2c15/0x31d0 [ 151.102280][ T3446] usb_new_device+0x1bd4/0x2a30 [ 151.107122][ T3446] hub_event+0x5b99/0x8870 [ 151.111525][ T3446] ? kmsan_get_metadata+0x116/0x180 [ 151.116728][ T3446] ? kmsan_get_metadata+0x116/0x180 [ 151.121915][ T3446] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 151.127726][ T3446] ? led_work+0x780/0x780 [ 151.132046][ T3446] process_one_work+0x1219/0x1fe0 [ 151.137081][ T3446] worker_thread+0x12bc/0x2340 [ 151.141841][ T3446] kthread+0x521/0x560 [ 151.145898][ T3446] ? process_one_work+0x1fe0/0x1fe0 [ 151.151096][ T3446] ? kthread_blkcg+0x110/0x110 [ 151.155882][ T3446] ret_from_fork+0x1f/0x30 [ 151.160391][ T3446] [ 151.162696][ T3446] Local variable ----mac@r871xu_drv_init created at: [ 151.169344][ T3446] r871xu_drv_init+0x189d/0x2fe0 [ 151.174273][ T3446] r871xu_drv_init+0x189d/0x2fe0 [ 151.179213][ T3446] ===================================================== [ 151.186408][ T3446] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 151.194128][ T3446] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 151.205873][ T3684] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 151.215025][ T3684] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 151.224865][ T3446] usb 1-1: USB disconnect, device number 4 [ 151.262613][ T3684] usb 1-1: r8712u: Firmware request failed [ 151.632179][ T3446] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 151.872161][ T3446] usb 1-1: Using ep0 maxpacket: 16 [ 152.012496][ T3446] usb 1-1: New USB device found, idVendor=0df6, idProduct=005b, bcdDevice=cc.ee [ 152.021686][ T3446] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 152.043887][ T3446] usb 1-1: config 0 descriptor?? [ 152.099809][ T3446] r8712u: register rtl8712_netdev_ops to netdev_ops [ 152.107091][ T3446] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 152.212248][ T3446] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 152.218161][ C0] ===================================================== [ 152.218187][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 152.218210][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.218238][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.218263][ C0] Workqueue: usb_hub_wq hub_event [ 152.218293][ C0] Call Trace: executing program [ 152.218307][ C0] dump_stack+0x24c/0x2e0 [ 152.218322][ C0] kmsan_report+0xfb/0x1e0 [ 152.218338][ C0] __msan_warning+0x5c/0xa0 [ 152.218353][ C0] string+0x573/0x6d0 [ 152.218368][ C0] vsnprintf+0x1acd/0x3600 [ 152.218383][ C0] pointer+0x1cbb/0x1ea0 [ 152.218398][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.218416][ C0] vsnprintf+0x15f2/0x3600 [ 152.218431][ C0] vprintk_store+0x2ab/0x1df0 [ 152.218448][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.218466][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 152.218484][ C0] ? __printk_safe_enter+0xe/0x30 [ 152.218500][ C0] vprintk_emit+0x28e/0x8b0 [ 152.218516][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 152.218532][ C0] dev_printk_emit+0x1ce/0x210 [ 152.218549][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 152.218567][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.218584][ C0] __dev_printk+0x3dc/0x458 [ 152.218599][ C0] _dev_info+0x1e5/0x22a [ 152.218614][ C0] ? usb_read8+0xe7/0x130 [ 152.218630][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 152.218647][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 152.218664][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 152.218681][ C0] ? r871x_dev_unload+0x310/0x310 [ 152.218698][ C0] usb_probe_interface+0xfcc/0x1520 [ 152.218714][ C0] ? usb_register_driver+0x900/0x900 [ 152.218731][ C0] really_probe+0xe15/0x24d0 [ 152.218747][ C0] driver_probe_device+0x29d/0x3a0 [ 152.218771][ C0] __device_attach_driver+0x63f/0x830 [ 152.218807][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 152.218841][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 152.218878][ C0] __device_attach+0x56a/0x890 [ 152.218913][ C0] device_initial_probe+0x4a/0x60 [ 152.218947][ C0] bus_probe_device+0x17e/0x3d0 [ 152.218980][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.219000][ C0] device_add+0x2c15/0x31d0 [ 152.219016][ C0] usb_set_configuration+0x3872/0x3eb0 [ 152.219033][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 152.219051][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 152.219070][ C0] usb_generic_driver_probe+0x138/0x300 [ 152.219088][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 152.219106][ C0] usb_probe_device+0x317/0x570 [ 152.219128][ C0] ? usb_register_device_driver+0x590/0x590 [ 152.219146][ C0] really_probe+0xe15/0x24d0 [ 152.219162][ C0] driver_probe_device+0x29d/0x3a0 [ 152.219179][ C0] __device_attach_driver+0x63f/0x830 [ 152.219197][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 152.219214][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 152.219231][ C0] __device_attach+0x56a/0x890 [ 152.219248][ C0] device_initial_probe+0x4a/0x60 [ 152.219265][ C0] bus_probe_device+0x17e/0x3d0 [ 152.219281][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.219299][ C0] device_add+0x2c15/0x31d0 [ 152.219314][ C0] usb_new_device+0x1bd4/0x2a30 [ 152.219330][ C0] hub_event+0x5b99/0x8870 [ 152.219346][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.219363][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.219380][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.219397][ C0] ? led_work+0x780/0x780 [ 152.219412][ C0] process_one_work+0x1219/0x1fe0 [ 152.219429][ C0] worker_thread+0x12bc/0x2340 [ 152.219444][ C0] kthread+0x521/0x560 [ 152.219460][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 152.219477][ C0] ? kthread_blkcg+0x110/0x110 [ 152.219493][ C0] ret_from_fork+0x1f/0x30 [ 152.219507][ C0] [ 152.219521][ C0] Local variable ----data@usb_read8 created at: [ 152.219540][ C0] usb_read8+0x5d/0x130 [ 152.219555][ C0] usb_read8+0x5d/0x130 [ 152.219572][ C0] ===================================================== [ 152.219594][ C0] ===================================================== [ 152.219615][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 152.219637][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.219664][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.219688][ C0] Workqueue: usb_hub_wq hub_event [ 152.219717][ C0] Call Trace: [ 152.219730][ C0] dump_stack+0x24c/0x2e0 [ 152.219745][ C0] kmsan_report+0xfb/0x1e0 [ 152.219760][ C0] __msan_warning+0x5c/0xa0 [ 152.219775][ C0] string+0x573/0x6d0 [ 152.219795][ C0] vsnprintf+0x1acd/0x3600 [ 152.219810][ C0] pointer+0x1cbb/0x1ea0 [ 152.219826][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.219843][ C0] vsnprintf+0x15f2/0x3600 [ 152.219858][ C0] vprintk_store+0x2ab/0x1df0 [ 152.219875][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.219893][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 152.219913][ C0] ? __printk_safe_enter+0xe/0x30 [ 152.219929][ C0] vprintk_emit+0x28e/0x8b0 [ 152.219945][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 152.219975][ C0] dev_printk_emit+0x1ce/0x210 [ 152.220010][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 152.220048][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.220084][ C0] __dev_printk+0x3dc/0x458 [ 152.220123][ C0] _dev_info+0x1e5/0x22a [ 152.220153][ C0] ? usb_read8+0xe7/0x130 [ 152.220172][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 152.220189][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 152.220206][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 152.220223][ C0] ? r871x_dev_unload+0x310/0x310 [ 152.220240][ C0] usb_probe_interface+0xfcc/0x1520 [ 152.220257][ C0] ? usb_register_driver+0x900/0x900 [ 152.220274][ C0] really_probe+0xe15/0x24d0 [ 152.220290][ C0] driver_probe_device+0x29d/0x3a0 [ 152.220307][ C0] __device_attach_driver+0x63f/0x830 [ 152.220324][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 152.220341][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 152.220359][ C0] __device_attach+0x56a/0x890 [ 152.220375][ C0] device_initial_probe+0x4a/0x60 [ 152.220392][ C0] bus_probe_device+0x17e/0x3d0 [ 152.220409][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.220427][ C0] device_add+0x2c15/0x31d0 [ 152.220443][ C0] usb_set_configuration+0x3872/0x3eb0 [ 152.220461][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 152.220479][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 152.220497][ C0] usb_generic_driver_probe+0x138/0x300 [ 152.220515][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 152.220533][ C0] usb_probe_device+0x317/0x570 [ 152.220549][ C0] ? usb_register_device_driver+0x590/0x590 [ 152.220567][ C0] really_probe+0xe15/0x24d0 [ 152.220583][ C0] driver_probe_device+0x29d/0x3a0 [ 152.220599][ C0] __device_attach_driver+0x63f/0x830 [ 152.220616][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 152.220633][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 152.220650][ C0] __device_attach+0x56a/0x890 [ 152.220666][ C0] device_initial_probe+0x4a/0x60 [ 152.220682][ C0] bus_probe_device+0x17e/0x3d0 [ 152.220699][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.220716][ C0] device_add+0x2c15/0x31d0 [ 152.220732][ C0] usb_new_device+0x1bd4/0x2a30 [ 152.220747][ C0] hub_event+0x5b99/0x8870 [ 152.220763][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.220780][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.220797][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.220814][ C0] ? led_work+0x780/0x780 [ 152.220829][ C0] process_one_work+0x1219/0x1fe0 [ 152.220845][ C0] worker_thread+0x12bc/0x2340 [ 152.220861][ C0] kthread+0x521/0x560 [ 152.220876][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 152.220892][ C0] ? kthread_blkcg+0x110/0x110 [ 152.220911][ C0] ret_from_fork+0x1f/0x30 [ 152.220927][ C0] [ 152.220941][ C0] Local variable ----data@usb_read8 created at: [ 152.220960][ C0] usb_read8+0x5d/0x130 [ 152.220975][ C0] usb_read8+0x5d/0x130 [ 152.220992][ C0] ===================================================== [ 152.221013][ C0] ===================================================== [ 152.221034][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 152.221056][ C0] CPU: 0 PID: 3446 Comm: kworker/0:2 Tainted: G B 5.12.0-rc6-syzkaller #0 [ 152.221083][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 152.221108][ C0] Workqueue: usb_hub_wq hub_event [ 152.221154][ C0] Call Trace: [ 152.221181][ C0] dump_stack+0x24c/0x2e0 [ 152.221212][ C0] kmsan_report+0xfb/0x1e0 [ 152.221244][ C0] __msan_warning+0x5c/0xa0 [ 152.221276][ C0] string+0x573/0x6d0 [ 152.221306][ C0] vsnprintf+0x1acd/0x3600 [ 152.221333][ C0] pointer+0x1cbb/0x1ea0 [ 152.221350][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.221367][ C0] vsnprintf+0x15f2/0x3600 [ 152.221383][ C0] vprintk_store+0x2ab/0x1df0 [ 152.221399][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 152.221417][ C0] ? __msan_instrument_asm_store+0x22/0x130 [ 152.221435][ C0] ? __printk_safe_enter+0xe/0x30 [ 152.221452][ C0] vprintk_emit+0x28e/0x8b0 [ 152.221468][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 152.221484][ C0] dev_printk_emit+0x1ce/0x210 [ 152.221501][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 152.221518][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.221536][ C0] __dev_printk+0x3dc/0x458 [ 152.221551][ C0] _dev_info+0x1e5/0x22a [ 152.221566][ C0] ? usb_read8+0xe7/0x130 [ 152.221581][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 152.221599][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 152.221616][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 152.221632][ C0] ? r871x_dev_unload+0x310/0x310 [ 152.221649][ C0] usb_probe_interface+0xfcc/0x1520 [ 152.221666][ C0] ? usb_register_driver+0x900/0x900 [ 152.221682][ C0] really_probe+0xe15/0x24d0 [ 152.221698][ C0] driver_probe_device+0x29d/0x3a0 [ 152.221715][ C0] __device_attach_driver+0x63f/0x830 [ 152.221732][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 152.221749][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 152.221766][ C0] __device_attach+0x56a/0x890 [ 152.221783][ C0] device_initial_probe+0x4a/0x60 [ 152.221799][ C0] bus_probe_device+0x17e/0x3d0 [ 152.221816][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.221833][ C0] device_add+0x2c15/0x31d0 [ 152.221849][ C0] usb_set_configuration+0x3872/0x3eb0 [ 152.221866][ C0] ? usb_set_configuration+0xae1/0x3eb0 [ 152.221884][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 152.221902][ C0] usb_generic_driver_probe+0x138/0x300 [ 152.221920][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 152.221937][ C0] usb_probe_device+0x317/0x570 [ 152.221978][ C0] ? usb_register_device_driver+0x590/0x590 [ 152.222015][ C0] really_probe+0xe15/0x24d0 [ 152.222047][ C0] driver_probe_device+0x29d/0x3a0 [ 152.222080][ C0] __device_attach_driver+0x63f/0x830 [ 152.222122][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 152.222158][ C0] ? deferred_probe_work_func+0x4d0/0x4d0 [ 152.222192][ C0] __device_attach+0x56a/0x890 [ 152.222226][ C0] device_initial_probe+0x4a/0x60 [ 152.222260][ C0] bus_probe_device+0x17e/0x3d0 [ 152.222296][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.222331][ C0] device_add+0x2c15/0x31d0 [ 152.222364][ C0] usb_new_device+0x1bd4/0x2a30 [ 152.222408][ C0] hub_event+0x5b99/0x8870 [ 152.222442][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.222480][ C0] ? kmsan_get_metadata+0x116/0x180 [ 152.222518][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 152.222552][ C0] ? led_work+0x780/0x780 [ 152.222581][ C0] process_one_work+0x1219/0x1fe0 [ 152.222616][ C0] worker_thread+0x12bc/0x2340 [ 152.222648][ C0] kthread+0x521/0x560 [ 152.222681][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 152.222718][ C0] ? kthread_blkcg+0x110/0x110 [ 152.222750][ C0] ret_from_fork+0x1f/0x30 [ 152.222779][ C0] [ 152.222807][ C0] Local variable ----data@usb_read8 created at: [ 152.222847][ C0] usb_read8+0x5d/0x130 [ 152.222879][ C0] usb_read8+0x5d/0x130 [ 152.222914][ C0] =====================================================