[ 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 '10.128.15.230' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 136.409160][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 136.659108][ T7] usb 1-1: Using ep0 maxpacket: 16 [ 136.949233][ T7] usb 1-1: New USB device found, idVendor=07aa, idProduct=0051, bcdDevice=f5.6e [ 136.958477][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 136.966809][ T7] usb 1-1: Product: syz [ 136.971384][ T7] usb 1-1: Manufacturer: syz [ 136.976085][ T7] usb 1-1: SerialNumber: syz [ 136.990940][ T7] usb 1-1: config 0 descriptor?? executing program [ 137.276295][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 137.283221][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 137.359259][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 137.364673][ C0] ===================================================== [ 137.364698][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.364719][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.11.0-rc7-syzkaller #0 [ 137.364743][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.364768][ C0] Workqueue: usb_hub_wq hub_event [ 137.364797][ C0] Call Trace: [ 137.364810][ C0] dump_stack+0x21c/0x280 [ 137.364825][ C0] kmsan_report+0xfb/0x1e0 [ 137.364840][ C0] __msan_warning+0x5f/0xa0 [ 137.364854][ C0] string+0x573/0x6d0 [ 137.364869][ C0] vsnprintf+0x1acd/0x3600 [ 137.364883][ C0] pointer+0x1b8a/0x1ca0 [ 137.364899][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.364916][ C0] vsnprintf+0x15f2/0x3600 [ 137.364930][ C0] vprintk_store+0x2ab/0x1df0 [ 137.364946][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.364964][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.364981][ C0] vprintk_emit+0x29a/0x7f0 [ 137.364996][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 137.365012][ C0] dev_printk_emit+0x1ce/0x210 [ 137.365028][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.365045][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.365062][ C0] __dev_printk+0x3dc/0x458 [ 137.365077][ C0] _dev_info+0x1e5/0x22a [ 137.365091][ C0] ? usb_read8+0xe7/0x130 [ 137.365106][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.365122][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.365139][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 137.365155][ C0] ? r871x_dev_unload+0x310/0x310 [ 137.365171][ C0] usb_probe_interface+0xfcc/0x1520 [ 137.365187][ C0] ? usb_register_driver+0x900/0x900 [ 137.365203][ C0] really_probe+0xe15/0x24d0 [ 137.365219][ C0] driver_probe_device+0x29d/0x3a0 [ 137.365235][ C0] __device_attach_driver+0x63f/0x830 [ 137.365251][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.365268][ C0] ? deferred_probe_work_func+0x400/0x400 [ 137.365285][ C0] __device_attach+0x56a/0x890 [ 137.365300][ C0] device_initial_probe+0x4a/0x60 [ 137.365316][ C0] bus_probe_device+0x17e/0x3d0 [ 137.365332][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.365349][ C0] device_add+0x2c15/0x31d0 [ 137.365365][ C0] usb_set_configuration+0x3872/0x3eb0 [ 137.365382][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 137.365399][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 137.365418][ C0] usb_generic_driver_probe+0x138/0x300 [ 137.365435][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 137.365452][ C0] usb_probe_device+0x317/0x570 [ 137.365469][ C0] ? usb_register_device_driver+0x590/0x590 [ 137.365486][ C0] really_probe+0xe15/0x24d0 [ 137.365501][ C0] driver_probe_device+0x29d/0x3a0 [ 137.365517][ C0] __device_attach_driver+0x63f/0x830 [ 137.365534][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.365550][ C0] ? deferred_probe_work_func+0x400/0x400 [ 137.365566][ C0] __device_attach+0x56a/0x890 [ 137.365582][ C0] device_initial_probe+0x4a/0x60 [ 137.365598][ C0] bus_probe_device+0x17e/0x3d0 [ 137.365626][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.365648][ C0] device_add+0x2c15/0x31d0 [ 137.365663][ C0] usb_new_device+0x1bd4/0x2a30 [ 137.365696][ C0] hub_event+0x5b99/0x8870 [ 137.365711][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.365728][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.365747][ C0] ? led_work+0x780/0x780 [ 137.365762][ C0] process_one_work+0x1219/0x1fe0 [ 137.365777][ C0] worker_thread+0x10ec/0x2340 [ 137.365792][ C0] kthread+0x521/0x560 [ 137.365807][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 137.365823][ C0] ? kthread_blkcg+0x110/0x110 [ 137.365838][ C0] ret_from_fork+0x1f/0x30 [ 137.365851][ C0] [ 137.365864][ C0] Local variable ----data@usb_read8 created at: [ 137.365882][ C0] usb_read8+0x5d/0x130 [ 137.365897][ C0] usb_read8+0x5d/0x130 [ 137.365914][ C0] ===================================================== [ 137.365946][ C0] Disabling lock debugging due to kernel taint [ 137.365965][ C0] ===================================================== [ 137.365985][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.366005][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 137.366030][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.366052][ C0] Workqueue: usb_hub_wq hub_event [ 137.366078][ C0] Call Trace: [ 137.366090][ C0] dump_stack+0x21c/0x280 [ 137.366104][ C0] kmsan_report+0xfb/0x1e0 [ 137.366119][ C0] __msan_warning+0x5f/0xa0 [ 137.366133][ C0] string+0x573/0x6d0 [ 137.366146][ C0] vsnprintf+0x1acd/0x3600 [ 137.366160][ C0] pointer+0x1b8a/0x1ca0 [ 137.366175][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.366191][ C0] vsnprintf+0x15f2/0x3600 [ 137.366205][ C0] vprintk_store+0x2ab/0x1df0 [ 137.366220][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.366237][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.366253][ C0] vprintk_emit+0x29a/0x7f0 [ 137.366267][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 137.366282][ C0] dev_printk_emit+0x1ce/0x210 [ 137.366315][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.366333][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.366349][ C0] __dev_printk+0x3dc/0x458 [ 137.366364][ C0] _dev_info+0x1e5/0x22a [ 137.366378][ C0] ? usb_read8+0xe7/0x130 [ 137.366393][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.366410][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.366426][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 137.366442][ C0] ? r871x_dev_unload+0x310/0x310 [ 137.366458][ C0] usb_probe_interface+0xfcc/0x1520 [ 137.366475][ C0] ? usb_register_driver+0x900/0x900 [ 137.366490][ C0] really_probe+0xe15/0x24d0 [ 137.366506][ C0] driver_probe_device+0x29d/0x3a0 [ 137.366522][ C0] __device_attach_driver+0x63f/0x830 [ 137.366538][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.366555][ C0] ? deferred_probe_work_func+0x400/0x400 [ 137.366571][ C0] __device_attach+0x56a/0x890 [ 137.366587][ C0] device_initial_probe+0x4a/0x60 [ 137.366603][ C0] bus_probe_device+0x17e/0x3d0 [ 137.366619][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.366636][ C0] device_add+0x2c15/0x31d0 [ 137.366655][ C0] usb_set_configuration+0x3872/0x3eb0 [ 137.366672][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 137.366690][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 137.366707][ C0] usb_generic_driver_probe+0x138/0x300 [ 137.366724][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 137.366742][ C0] usb_probe_device+0x317/0x570 [ 137.366758][ C0] ? usb_register_device_driver+0x590/0x590 [ 137.366775][ C0] really_probe+0xe15/0x24d0 [ 137.366790][ C0] driver_probe_device+0x29d/0x3a0 [ 137.366806][ C0] __device_attach_driver+0x63f/0x830 [ 137.366823][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.366839][ C0] ? deferred_probe_work_func+0x400/0x400 [ 137.366856][ C0] __device_attach+0x56a/0x890 [ 137.366871][ C0] device_initial_probe+0x4a/0x60 [ 137.366887][ C0] bus_probe_device+0x17e/0x3d0 [ 137.366903][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.366920][ C0] device_add+0x2c15/0x31d0 [ 137.366935][ C0] usb_new_device+0x1bd4/0x2a30 [ 137.366950][ C0] hub_event+0x5b99/0x8870 [ 137.366965][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.366982][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.366998][ C0] ? led_work+0x780/0x780 [ 137.367013][ C0] process_one_work+0x1219/0x1fe0 [ 137.367029][ C0] worker_thread+0x10ec/0x2340 [ 137.367044][ C0] kthread+0x521/0x560 [ 137.367059][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 137.367075][ C0] ? kthread_blkcg+0x110/0x110 [ 137.367090][ C0] ret_from_fork+0x1f/0x30 [ 137.367103][ C0] [ 137.367116][ C0] Local variable ----data@usb_read8 created at: [ 137.367134][ C0] usb_read8+0x5d/0x130 [ 137.367149][ C0] usb_read8+0x5d/0x130 [ 137.367166][ C0] ===================================================== [ 137.367187][ C0] ===================================================== [ 137.367207][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.367228][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 137.367253][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.367277][ C0] Workqueue: usb_hub_wq hub_event [ 137.367303][ C0] Call Trace: [ 137.367316][ C0] dump_stack+0x21c/0x280 [ 137.367331][ C0] kmsan_report+0xfb/0x1e0 [ 137.367345][ C0] __msan_warning+0x5f/0xa0 [ 137.367360][ C0] string+0x573/0x6d0 [ 137.367374][ C0] vsnprintf+0x1acd/0x3600 [ 137.367388][ C0] pointer+0x1b8a/0x1ca0 [ 137.367403][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.367420][ C0] vsnprintf+0x15f2/0x3600 [ 137.367435][ C0] vprintk_store+0x2ab/0x1df0 [ 137.367450][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.367468][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.367484][ C0] vprintk_emit+0x29a/0x7f0 [ 137.367499][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 137.367515][ C0] dev_printk_emit+0x1ce/0x210 [ 137.367530][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 137.367547][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.367564][ C0] __dev_printk+0x3dc/0x458 [ 137.367579][ C0] _dev_info+0x1e5/0x22a [ 137.367593][ C0] ? usb_read8+0xe7/0x130 [ 137.367608][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 137.367624][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 137.367645][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 137.367661][ C0] ? r871x_dev_unload+0x310/0x310 [ 137.367677][ C0] usb_probe_interface+0xfcc/0x1520 [ 137.367693][ C0] ? usb_register_driver+0x900/0x900 [ 137.367709][ C0] really_probe+0xe15/0x24d0 [ 137.367725][ C0] driver_probe_device+0x29d/0x3a0 [ 137.367741][ C0] __device_attach_driver+0x63f/0x830 [ 137.367757][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.367773][ C0] ? deferred_probe_work_func+0x400/0x400 [ 137.367790][ C0] __device_attach+0x56a/0x890 [ 137.367806][ C0] device_initial_probe+0x4a/0x60 [ 137.367822][ C0] bus_probe_device+0x17e/0x3d0 [ 137.367838][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.367854][ C0] device_add+0x2c15/0x31d0 [ 137.367870][ C0] usb_set_configuration+0x3872/0x3eb0 [ 137.367887][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 137.367904][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 137.367922][ C0] usb_generic_driver_probe+0x138/0x300 [ 137.367939][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 137.367956][ C0] usb_probe_device+0x317/0x570 [ 137.367972][ C0] ? usb_register_device_driver+0x590/0x590 [ 137.367989][ C0] really_probe+0xe15/0x24d0 [ 137.368004][ C0] driver_probe_device+0x29d/0x3a0 [ 137.368020][ C0] __device_attach_driver+0x63f/0x830 [ 137.368036][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 137.368052][ C0] ? deferred_probe_work_func+0x400/0x400 [ 137.368069][ C0] __device_attach+0x56a/0x890 [ 137.368085][ C0] device_initial_probe+0x4a/0x60 [ 137.368100][ C0] bus_probe_device+0x17e/0x3d0 [ 137.368116][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.368133][ C0] device_add+0x2c15/0x31d0 [ 137.368148][ C0] usb_new_device+0x1bd4/0x2a30 [ 137.368164][ C0] hub_event+0x5b99/0x8870 [ 137.368179][ C0] ? kmsan_get_metadata+0x116/0x180 [ 137.368195][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.368212][ C0] ? led_work+0x780/0x780 [ 137.368226][ C0] process_one_work+0x1219/0x1fe0 [ 137.368242][ C0] worker_thread+0x10ec/0x2340 [ 137.368257][ C0] kthread+0x521/0x560 [ 137.368272][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 137.368288][ C0] ? kthread_blkcg+0x110/0x110 [ 137.368303][ C0] ret_from_fork+0x1f/0x30 [ 137.368316][ C0] [ 137.368329][ C0] Local variable ----data@usb_read8 created at: [ 137.368347][ C0] usb_read8+0x5d/0x130 [ 137.368362][ C0] usb_read8+0x5d/0x130 [ 137.368379][ C0] ===================================================== [ 137.368399][ C0] ===================================================== [ 137.368420][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 137.368441][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 137.368466][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.368490][ C0] Workqueue: usb_hub_wq hub_event [ 137.368517][ C0] Call Trace: [ 137.368530][ C0] dump_stack+0x21c/0x280 [ 137.368544][ C0] kmsan_report+0xfb/0x1e0 [ 137.368559][ C0] __msan_warning+0x5f/0xa0 [ 137.368574][ C0] string+0x573/0x6d0 [ 137.368588][ C0] vsnprintf+0x1acd/0x3600 [ 137.368602][ C0] pointer+0x1b8a/0x1ca0 [ 137.368617][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.368634][ C0] vsnprintf+0x15f2/0x3600 [ 137.368653][ C0] vprintk_store+0x2ab/0x1df0 [ 137.368668][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 137.368686][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.368703][ C0] vprintk_emit+0x29a/0x7f0 [ 137.368717][ C0] dev_vprintk_emit+0x5f7 [ 137.368742][ C0] Lost 1705 message(s)! [ 138.641921][ T7] ===================================================== [ 138.648871][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 138.656243][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 138.665806][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.675869][ T7] Workqueue: usb_hub_wq hub_event [ 138.680916][ T7] Call Trace: [ 138.684197][ T7] dump_stack+0x21c/0x280 [ 138.688546][ T7] kmsan_report+0xfb/0x1e0 [ 138.692985][ T7] __msan_warning+0x5f/0xa0 [ 138.697512][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 138.702476][ T7] ? r871x_dev_unload+0x310/0x310 [ 138.707521][ T7] usb_probe_interface+0xfcc/0x1520 [ 138.712739][ T7] ? usb_register_driver+0x900/0x900 [ 138.718067][ T7] really_probe+0xe15/0x24d0 [ 138.722684][ T7] driver_probe_device+0x29d/0x3a0 [ 138.727817][ T7] __device_attach_driver+0x63f/0x830 [ 138.733212][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 138.738079][ T7] ? deferred_probe_work_func+0x400/0x400 [ 138.743822][ T7] __device_attach+0x56a/0x890 [ 138.748608][ T7] device_initial_probe+0x4a/0x60 [ 138.753655][ T7] bus_probe_device+0x17e/0x3d0 [ 138.758526][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.764356][ T7] device_add+0x2c15/0x31d0 [ 138.768877][ T7] usb_set_configuration+0x3872/0x3eb0 [ 138.774352][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 138.779917][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 138.786015][ T7] usb_generic_driver_probe+0x138/0x300 [ 138.791580][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 138.797341][ T7] usb_probe_device+0x317/0x570 [ 138.802208][ T7] ? usb_register_device_driver+0x590/0x590 [ 138.808119][ T7] really_probe+0xe15/0x24d0 [ 138.812738][ T7] driver_probe_device+0x29d/0x3a0 [ 138.817923][ T7] __device_attach_driver+0x63f/0x830 [ 138.823320][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 138.828189][ T7] ? deferred_probe_work_func+0x400/0x400 [ 138.833934][ T7] __device_attach+0x56a/0x890 [ 138.838724][ T7] device_initial_probe+0x4a/0x60 [ 138.843781][ T7] bus_probe_device+0x17e/0x3d0 [ 138.848652][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.854485][ T7] device_add+0x2c15/0x31d0 [ 138.859006][ T7] usb_new_device+0x1bd4/0x2a30 [ 138.863882][ T7] hub_event+0x5b99/0x8870 [ 138.868330][ T7] ? kmsan_get_metadata+0x116/0x180 [ 138.873549][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.879385][ T7] ? led_work+0x780/0x780 [ 138.883735][ T7] process_one_work+0x1219/0x1fe0 [ 138.888792][ T7] worker_thread+0x10ec/0x2340 [ 138.893593][ T7] kthread+0x521/0x560 [ 138.897677][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 138.902986][ T7] ? kthread_blkcg+0x110/0x110 [ 138.907776][ T7] ret_from_fork+0x1f/0x30 [ 138.912212][ T7] [ 138.914532][ T7] Local variable ----data@usb_read8 created at: [ 138.920770][ T7] usb_read8+0x5d/0x130 [ 138.924944][ T7] usb_read8+0x5d/0x130 [ 138.929116][ T7] ===================================================== [ 138.936577][ T7] ===================================================== [ 138.943518][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 138.950828][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 138.960381][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.970444][ T7] Workqueue: usb_hub_wq hub_event [ 138.975493][ T7] Call Trace: [ 138.978774][ T7] dump_stack+0x21c/0x280 [ 138.983126][ T7] kmsan_report+0xfb/0x1e0 [ 138.987570][ T7] __msan_warning+0x5f/0xa0 [ 138.992096][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 138.997185][ T7] ? r871x_dev_unload+0x310/0x310 [ 139.002236][ T7] usb_probe_interface+0xfcc/0x1520 [ 139.007454][ T7] ? usb_register_driver+0x900/0x900 [ 139.012754][ T7] really_probe+0xe15/0x24d0 [ 139.017369][ T7] driver_probe_device+0x29d/0x3a0 [ 139.022504][ T7] __device_attach_driver+0x63f/0x830 [ 139.027901][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 139.032773][ T7] ? deferred_probe_work_func+0x400/0x400 [ 139.038516][ T7] __device_attach+0x56a/0x890 [ 139.043305][ T7] device_initial_probe+0x4a/0x60 [ 139.048351][ T7] bus_probe_device+0x17e/0x3d0 [ 139.053223][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.059053][ T7] device_add+0x2c15/0x31d0 [ 139.063579][ T7] usb_set_configuration+0x3872/0x3eb0 [ 139.069056][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 139.074619][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 139.080721][ T7] usb_generic_driver_probe+0x138/0x300 [ 139.086281][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 139.092014][ T7] usb_probe_device+0x317/0x570 [ 139.096885][ T7] ? usb_register_device_driver+0x590/0x590 [ 139.102791][ T7] really_probe+0xe15/0x24d0 [ 139.107381][ T7] driver_probe_device+0x29d/0x3a0 [ 139.112483][ T7] __device_attach_driver+0x63f/0x830 [ 139.117891][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 139.122730][ T7] ? deferred_probe_work_func+0x400/0x400 [ 139.128438][ T7] __device_attach+0x56a/0x890 [ 139.133230][ T7] device_initial_probe+0x4a/0x60 [ 139.138251][ T7] bus_probe_device+0x17e/0x3d0 [ 139.143130][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.148931][ T7] device_add+0x2c15/0x31d0 [ 139.153444][ T7] usb_new_device+0x1bd4/0x2a30 [ 139.158300][ T7] hub_event+0x5b99/0x8870 [ 139.162711][ T7] ? kmsan_get_metadata+0x116/0x180 [ 139.167898][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 139.173692][ T7] ? led_work+0x780/0x780 [ 139.178007][ T7] process_one_work+0x1219/0x1fe0 [ 139.183026][ T7] worker_thread+0x10ec/0x2340 [ 139.187783][ T7] kthread+0x521/0x560 [ 139.191863][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 139.197055][ T7] ? kthread_blkcg+0x110/0x110 [ 139.201830][ T7] ret_from_fork+0x1f/0x30 [ 139.206244][ T7] [ 139.208561][ T7] Local variable ----mac@r871xu_drv_init created at: [ 139.215238][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 139.220170][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 139.225117][ T7] ===================================================== [ 139.232242][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 139.240015][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 139.251998][ T7] usb 1-1: USB disconnect, device number 2 [ 139.265468][ T1984] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 139.274439][ T1984] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 139.318597][ T1984] usb 1-1: r8712u: Firmware request failed [ 139.689077][ T7] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 139.939100][ T7] usb 1-1: Using ep0 maxpacket: 16 [ 140.229250][ T7] usb 1-1: New USB device found, idVendor=07aa, idProduct=0051, bcdDevice=f5.6e [ 140.238456][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 140.246703][ T7] usb 1-1: Product: syz [ 140.251189][ T7] usb 1-1: Manufacturer: syz [ 140.255903][ T7] usb 1-1: SerialNumber: syz [ 140.263970][ T7] usb 1-1: config 0 descriptor?? executing program [ 140.556505][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 140.563914][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 140.609431][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 140.618137][ C0] ===================================================== [ 140.618186][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.618233][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 140.618288][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.618314][ C0] Workqueue: usb_hub_wq hub_event [ 140.618344][ C0] Call Trace: [ 140.618357][ C0] dump_stack+0x21c/0x280 [ 140.618372][ C0] kmsan_report+0xfb/0x1e0 [ 140.618388][ C0] __msan_warning+0x5f/0xa0 [ 140.618402][ C0] string+0x573/0x6d0 [ 140.618417][ C0] vsnprintf+0x1acd/0x3600 [ 140.618431][ C0] pointer+0x1b8a/0x1ca0 [ 140.618446][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.618463][ C0] vsnprintf+0x15f2/0x3600 [ 140.618478][ C0] vprintk_store+0x2ab/0x1df0 [ 140.618494][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.618512][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.618528][ C0] vprintk_emit+0x29a/0x7f0 [ 140.618543][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 140.618559][ C0] dev_printk_emit+0x1ce/0x210 [ 140.618575][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.618593][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.618610][ C0] __dev_printk+0x3dc/0x458 [ 140.618625][ C0] _dev_info+0x1e5/0x22a [ 140.618639][ C0] ? usb_read8+0xe7/0x130 [ 140.618654][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.618671][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.618688][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 140.618703][ C0] ? r871x_dev_unload+0x310/0x310 [ 140.618720][ C0] usb_probe_interface+0xfcc/0x1520 [ 140.618736][ C0] ? usb_register_driver+0x900/0x900 [ 140.618752][ C0] really_probe+0xe15/0x24d0 [ 140.618767][ C0] driver_probe_device+0x29d/0x3a0 [ 140.618784][ C0] __device_attach_driver+0x63f/0x830 [ 140.618800][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.618816][ C0] ? deferred_probe_work_func+0x400/0x400 [ 140.618833][ C0] __device_attach+0x56a/0x890 [ 140.618848][ C0] device_initial_probe+0x4a/0x60 [ 140.618877][ C0] bus_probe_device+0x17e/0x3d0 [ 140.618910][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.618945][ C0] device_add+0x2c15/0x31d0 [ 140.618978][ C0] usb_set_configuration+0x3872/0x3eb0 [ 140.619014][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 140.619050][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 140.619087][ C0] usb_generic_driver_probe+0x138/0x300 [ 140.619140][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 140.619175][ C0] usb_probe_device+0x317/0x570 [ 140.619200][ C0] ? usb_register_device_driver+0x590/0x590 [ 140.619217][ C0] really_probe+0xe15/0x24d0 [ 140.619232][ C0] driver_probe_device+0x29d/0x3a0 [ 140.619264][ C0] __device_attach_driver+0x63f/0x830 [ 140.619297][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.619330][ C0] ? deferred_probe_work_func+0x400/0x400 [ 140.619365][ C0] __device_attach+0x56a/0x890 [ 140.619397][ C0] device_initial_probe+0x4a/0x60 [ 140.619426][ C0] bus_probe_device+0x17e/0x3d0 [ 140.619460][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.619477][ C0] device_add+0x2c15/0x31d0 [ 140.619492][ C0] usb_new_device+0x1bd4/0x2a30 [ 140.619508][ C0] hub_event+0x5b99/0x8870 [ 140.619523][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.619540][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.619556][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.619573][ C0] ? led_work+0x780/0x780 [ 140.619588][ C0] process_one_work+0x1219/0x1fe0 [ 140.619604][ C0] worker_thread+0x12bc/0x2340 [ 140.619619][ C0] kthread+0x521/0x560 [ 140.619634][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 140.619650][ C0] ? kthread_blkcg+0x110/0x110 [ 140.619666][ C0] ret_from_fork+0x1f/0x30 [ 140.619679][ C0] [ 140.619692][ C0] Local variable ----data@usb_read8 created at: [ 140.619711][ C0] usb_read8+0x5d/0x130 [ 140.619725][ C0] usb_read8+0x5d/0x130 [ 140.619742][ C0] ===================================================== [ 140.619763][ C0] ===================================================== [ 140.619783][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.619804][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 140.619830][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.619853][ C0] Workqueue: usb_hub_wq hub_event [ 140.619881][ C0] Call Trace: [ 140.619894][ C0] dump_stack+0x21c/0x280 [ 140.619908][ C0] kmsan_report+0xfb/0x1e0 [ 140.619923][ C0] __msan_warning+0x5f/0xa0 [ 140.619937][ C0] string+0x573/0x6d0 [ 140.619951][ C0] vsnprintf+0x1acd/0x3600 [ 140.619966][ C0] pointer+0x1b8a/0x1ca0 [ 140.619981][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.619998][ C0] vsnprintf+0x15f2/0x3600 [ 140.620013][ C0] vprintk_store+0x2ab/0x1df0 [ 140.620029][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.620047][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.620072][ C0] vprintk_emit+0x29a/0x7f0 [ 140.620087][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 140.620103][ C0] dev_printk_emit+0x1ce/0x210 [ 140.620119][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.620143][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.620160][ C0] __dev_printk+0x3dc/0x458 [ 140.620174][ C0] _dev_info+0x1e5/0x22a [ 140.620189][ C0] ? usb_read8+0xe7/0x130 [ 140.620204][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.620220][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.620237][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 140.620253][ C0] ? r871x_dev_unload+0x310/0x310 [ 140.620269][ C0] usb_probe_interface+0xfcc/0x1520 [ 140.620285][ C0] ? usb_register_driver+0x900/0x900 [ 140.620301][ C0] really_probe+0xe15/0x24d0 [ 140.620316][ C0] driver_probe_device+0x29d/0x3a0 [ 140.620332][ C0] __device_attach_driver+0x63f/0x830 [ 140.620349][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.620365][ C0] ? deferred_probe_work_func+0x400/0x400 [ 140.620381][ C0] __device_attach+0x56a/0x890 [ 140.620405][ C0] device_initial_probe+0x4a/0x60 [ 140.620439][ C0] bus_probe_device+0x17e/0x3d0 [ 140.620473][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.620509][ C0] device_add+0x2c15/0x31d0 [ 140.620542][ C0] usb_set_configuration+0x3872/0x3eb0 [ 140.620576][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 140.620594][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 140.620612][ C0] usb_generic_driver_probe+0x138/0x300 [ 140.620629][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 140.620645][ C0] usb_probe_device+0x317/0x570 [ 140.620662][ C0] ? usb_register_device_driver+0x590/0x590 [ 140.620679][ C0] really_probe+0xe15/0x24d0 [ 140.620694][ C0] driver_probe_device+0x29d/0x3a0 [ 140.620710][ C0] __device_attach_driver+0x63f/0x830 [ 140.620726][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.620742][ C0] ? deferred_probe_work_func+0x400/0x400 [ 140.620759][ C0] __device_attach+0x56a/0x890 [ 140.620775][ C0] device_initial_probe+0x4a/0x60 [ 140.620790][ C0] bus_probe_device+0x17e/0x3d0 [ 140.620807][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.620823][ C0] device_add+0x2c15/0x31d0 [ 140.620838][ C0] usb_new_device+0x1bd4/0x2a30 [ 140.620854][ C0] hub_event+0x5b99/0x8870 [ 140.620869][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.620885][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.620902][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.620918][ C0] ? led_work+0x780/0x780 [ 140.620933][ C0] process_one_work+0x1219/0x1fe0 [ 140.620949][ C0] worker_thread+0x12bc/0x2340 [ 140.620964][ C0] kthread+0x521/0x560 [ 140.620978][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 140.620994][ C0] ? kthread_blkcg+0x110/0x110 [ 140.621009][ C0] ret_from_fork+0x1f/0x30 [ 140.621023][ C0] [ 140.621036][ C0] Local variable ----data@usb_read8 created at: [ 140.621054][ C0] usb_read8+0x5d/0x130 [ 140.621069][ C0] usb_read8+0x5d/0x130 [ 140.621086][ C0] ===================================================== [ 140.621106][ C0] ===================================================== [ 140.621126][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.621153][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 140.621178][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.621202][ C0] Workqueue: usb_hub_wq hub_event [ 140.621229][ C0] Call Trace: [ 140.621242][ C0] dump_stack+0x21c/0x280 [ 140.621257][ C0] kmsan_report+0xfb/0x1e0 [ 140.621271][ C0] __msan_warning+0x5f/0xa0 [ 140.621286][ C0] string+0x573/0x6d0 [ 140.621300][ C0] vsnprintf+0x1acd/0x3600 [ 140.621314][ C0] pointer+0x1b8a/0x1ca0 [ 140.621329][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.621346][ C0] vsnprintf+0x15f2/0x3600 [ 140.621361][ C0] vprintk_store+0x2ab/0x1df0 [ 140.621376][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.621394][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.621410][ C0] vprintk_emit+0x29a/0x7f0 [ 140.621425][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 140.621443][ C0] dev_printk_emit+0x1ce/0x210 [ 140.621459][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 140.621476][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.621493][ C0] __dev_printk+0x3dc/0x458 [ 140.621508][ C0] _dev_info+0x1e5/0x22a [ 140.621522][ C0] ? usb_read8+0xe7/0x130 [ 140.621537][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 140.621557][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 140.621591][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 140.621625][ C0] ? r871x_dev_unload+0x310/0x310 [ 140.621659][ C0] usb_probe_interface+0xfcc/0x1520 [ 140.621694][ C0] ? usb_register_driver+0x900/0x900 [ 140.621728][ C0] really_probe+0xe15/0x24d0 [ 140.621751][ C0] driver_probe_device+0x29d/0x3a0 [ 140.621767][ C0] __device_attach_driver+0x63f/0x830 [ 140.621784][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.621801][ C0] ? deferred_probe_work_func+0x400/0x400 [ 140.621818][ C0] __device_attach+0x56a/0x890 [ 140.621833][ C0] device_initial_probe+0x4a/0x60 [ 140.621849][ C0] bus_probe_device+0x17e/0x3d0 [ 140.621866][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.621882][ C0] device_add+0x2c15/0x31d0 [ 140.621898][ C0] usb_set_configuration+0x3872/0x3eb0 [ 140.621915][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 140.621932][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 140.621950][ C0] usb_generic_driver_probe+0x138/0x300 [ 140.621967][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 140.621984][ C0] usb_probe_device+0x317/0x570 [ 140.622000][ C0] ? usb_register_device_driver+0x590/0x590 [ 140.622017][ C0] really_probe+0xe15/0x24d0 [ 140.622032][ C0] driver_probe_device+0x29d/0x3a0 [ 140.622049][ C0] __device_attach_driver+0x63f/0x830 [ 140.622065][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 140.622081][ C0] ? deferred_probe_work_func+0x400/0x400 [ 140.622098][ C0] __device_attach+0x56a/0x890 [ 140.622113][ C0] device_initial_probe+0x4a/0x60 [ 140.622129][ C0] bus_probe_device+0x17e/0x3d0 [ 140.622156][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.622173][ C0] device_add+0x2c15/0x31d0 [ 140.622188][ C0] usb_new_device+0x1bd4/0x2a30 [ 140.622203][ C0] hub_event+0x5b99/0x8870 [ 140.622218][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.622234][ C0] ? kmsan_get_metadata+0x116/0x180 [ 140.622251][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.622267][ C0] ? led_work+0x780/0x780 [ 140.622282][ C0] process_one_work+0x1219/0x1fe0 [ 140.622298][ C0] worker_thread+0x12bc/0x2340 [ 140.622313][ C0] kthread+0x521/0x560 [ 140.622327][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 140.622343][ C0] ? kthread_blkcg+0x110/0x110 [ 140.622358][ C0] ret_from_fork+0x1f/0x30 [ 140.622372][ C0] [ 140.622385][ C0] Local variable ----data@usb_read8 created at: [ 140.622403][ C0] usb_read8+0x5d/0x130 [ 140.622418][ C0] usb_read8+0x5d/0x130 [ 140.622434][ C0] ===================================================== [ 140.622454][ C0] ===================================================== [ 140.622475][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 140.622496][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 140.622521][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.622545][ C0] Workqueue: usb_hub_wq hub_event [ 140.622572][ C0] Call Trace: [ 140.622585][ C0] dump_stack+0x21c/0x280 [ 140.622600][ C0] kmsan_report+0xfb/0x1e0 [ 140.622615][ C0] __msan_warning+0x5f/0xa0 [ 140.622629][ C0] string+0x573/0x6d0 [ 140.622643][ C0] vsnprintf+0x1acd/0x3600 [ 140.622657][ C0] pointer+0x1b8a/0x1ca0 [ 140.622672][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.622689][ C0] vsnprintf+0x15f2/0x3600 [ 140.622704][ C0] vprintk_store+0x2ab/0x1df0 [ 140.622722][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 140.622756][ C0] ? kmsan_get_shadow [ 140.622808][ C0] Lost 1730 message(s)! [ 141.904741][ T7] ===================================================== [ 141.911701][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 141.919084][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 141.928646][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.938705][ T7] Workqueue: usb_hub_wq hub_event [ 141.943739][ T7] Call Trace: [ 141.947015][ T7] dump_stack+0x21c/0x280 [ 141.951337][ T7] kmsan_report+0xfb/0x1e0 [ 141.955742][ T7] __msan_warning+0x5f/0xa0 [ 141.960243][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 141.965246][ T7] ? r871x_dev_unload+0x310/0x310 [ 141.970259][ T7] usb_probe_interface+0xfcc/0x1520 [ 141.975445][ T7] ? usb_register_driver+0x900/0x900 [ 141.980719][ T7] really_probe+0xe15/0x24d0 [ 141.985322][ T7] driver_probe_device+0x29d/0x3a0 [ 141.990445][ T7] __device_attach_driver+0x63f/0x830 [ 141.995822][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 142.000662][ T7] ? deferred_probe_work_func+0x400/0x400 [ 142.006368][ T7] __device_attach+0x56a/0x890 [ 142.011118][ T7] device_initial_probe+0x4a/0x60 [ 142.016129][ T7] bus_probe_device+0x17e/0x3d0 [ 142.020965][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.026763][ T7] device_add+0x2c15/0x31d0 [ 142.031290][ T7] usb_set_configuration+0x3872/0x3eb0 [ 142.036741][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 142.042276][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 142.048337][ T7] usb_generic_driver_probe+0x138/0x300 [ 142.053871][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 142.059599][ T7] usb_probe_device+0x317/0x570 [ 142.064468][ T7] ? usb_register_device_driver+0x590/0x590 [ 142.070365][ T7] really_probe+0xe15/0x24d0 [ 142.074950][ T7] driver_probe_device+0x29d/0x3a0 [ 142.080051][ T7] __device_attach_driver+0x63f/0x830 [ 142.085434][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 142.090301][ T7] ? deferred_probe_work_func+0x400/0x400 [ 142.096009][ T7] __device_attach+0x56a/0x890 [ 142.100781][ T7] device_initial_probe+0x4a/0x60 [ 142.105796][ T7] bus_probe_device+0x17e/0x3d0 [ 142.110663][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.116478][ T7] device_add+0x2c15/0x31d0 [ 142.120976][ T7] usb_new_device+0x1bd4/0x2a30 [ 142.125824][ T7] hub_event+0x5b99/0x8870 [ 142.130339][ T7] ? kmsan_get_metadata+0x116/0x180 [ 142.135536][ T7] ? kmsan_get_metadata+0x116/0x180 [ 142.140728][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.146527][ T7] ? led_work+0x780/0x780 [ 142.150855][ T7] process_one_work+0x1219/0x1fe0 [ 142.155871][ T7] worker_thread+0x12bc/0x2340 [ 142.160627][ T7] kthread+0x521/0x560 [ 142.164695][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 142.169898][ T7] ? kthread_blkcg+0x110/0x110 [ 142.174649][ T7] ret_from_fork+0x1f/0x30 [ 142.179054][ T7] [ 142.181358][ T7] Local variable ----data@usb_read8 created at: [ 142.187577][ T7] usb_read8+0x5d/0x130 [ 142.191751][ T7] usb_read8+0x5d/0x130 [ 142.195891][ T7] ===================================================== [ 142.202994][ T7] ===================================================== [ 142.209951][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 142.217257][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 142.226807][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.236876][ T7] Workqueue: usb_hub_wq hub_event [ 142.241927][ T7] Call Trace: [ 142.245207][ T7] dump_stack+0x21c/0x280 [ 142.249557][ T7] kmsan_report+0xfb/0x1e0 [ 142.254015][ T7] __msan_warning+0x5f/0xa0 [ 142.258538][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 142.263504][ T7] ? r871x_dev_unload+0x310/0x310 [ 142.268553][ T7] usb_probe_interface+0xfcc/0x1520 [ 142.273868][ T7] ? usb_register_driver+0x900/0x900 [ 142.279166][ T7] really_probe+0xe15/0x24d0 [ 142.283781][ T7] driver_probe_device+0x29d/0x3a0 [ 142.288920][ T7] __device_attach_driver+0x63f/0x830 [ 142.294316][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 142.299183][ T7] ? deferred_probe_work_func+0x400/0x400 [ 142.304928][ T7] __device_attach+0x56a/0x890 [ 142.309712][ T7] device_initial_probe+0x4a/0x60 [ 142.314760][ T7] bus_probe_device+0x17e/0x3d0 [ 142.319719][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.325551][ T7] device_add+0x2c15/0x31d0 [ 142.330072][ T7] usb_set_configuration+0x3872/0x3eb0 [ 142.335547][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 142.341116][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 142.347212][ T7] usb_generic_driver_probe+0x138/0x300 [ 142.352771][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 142.358507][ T7] usb_probe_device+0x317/0x570 [ 142.363376][ T7] ? usb_register_device_driver+0x590/0x590 [ 142.369284][ T7] really_probe+0xe15/0x24d0 [ 142.373987][ T7] driver_probe_device+0x29d/0x3a0 [ 142.379120][ T7] __device_attach_driver+0x63f/0x830 [ 142.384516][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 142.389383][ T7] ? deferred_probe_work_func+0x400/0x400 [ 142.395126][ T7] __device_attach+0x56a/0x890 [ 142.399912][ T7] device_initial_probe+0x4a/0x60 [ 142.404997][ T7] bus_probe_device+0x17e/0x3d0 [ 142.409954][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.415782][ T7] device_add+0x2c15/0x31d0 [ 142.420314][ T7] usb_new_device+0x1bd4/0x2a30 [ 142.425191][ T7] hub_event+0x5b99/0x8870 [ 142.429638][ T7] ? kmsan_get_metadata+0x116/0x180 [ 142.434869][ T7] ? kmsan_get_metadata+0x116/0x180 [ 142.440091][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 142.445917][ T7] ? led_work+0x780/0x780 [ 142.450264][ T7] process_one_work+0x1219/0x1fe0 [ 142.455340][ T7] worker_thread+0x12bc/0x2340 [ 142.460171][ T7] kthread+0x521/0x560 [ 142.464259][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 142.469478][ T7] ? kthread_blkcg+0x110/0x110 [ 142.474255][ T7] ret_from_fork+0x1f/0x30 [ 142.478667][ T7] [ 142.480984][ T7] Local variable ----mac@r871xu_drv_init created at: [ 142.487659][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 142.492587][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 142.497519][ T7] ===================================================== [ 142.504723][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 142.512529][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 142.523873][ T1984] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 142.533068][ T1984] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 142.542758][ T7] usb 1-1: USB disconnect, device number 3 [ 142.580425][ T1984] usb 1-1: r8712u: Firmware request failed [ 142.959047][ T7] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 143.199033][ T7] usb 1-1: Using ep0 maxpacket: 16 [ 143.489242][ T7] usb 1-1: New USB device found, idVendor=07aa, idProduct=0051, bcdDevice=f5.6e [ 143.498395][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 143.506616][ T7] usb 1-1: Product: syz [ 143.511018][ T7] usb 1-1: Manufacturer: syz [ 143.515874][ T7] usb 1-1: SerialNumber: syz [ 143.524387][ T7] usb 1-1: config 0 descriptor?? executing program [ 143.816475][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 143.823527][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 143.889137][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 143.894597][ C0] ===================================================== [ 143.894621][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.894648][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 143.894674][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.894699][ C0] Workqueue: usb_hub_wq hub_event [ 143.894728][ C0] Call Trace: [ 143.894742][ C0] dump_stack+0x21c/0x280 [ 143.894757][ C0] kmsan_report+0xfb/0x1e0 [ 143.894772][ C0] __msan_warning+0x5f/0xa0 [ 143.894787][ C0] string+0x573/0x6d0 [ 143.894801][ C0] vsnprintf+0x1acd/0x3600 [ 143.894815][ C0] pointer+0x1b8a/0x1ca0 [ 143.894831][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.894848][ C0] vsnprintf+0x15f2/0x3600 [ 143.894863][ C0] vprintk_store+0x2ab/0x1df0 [ 143.894879][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.894896][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.894913][ C0] vprintk_emit+0x29a/0x7f0 [ 143.894928][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.894944][ C0] dev_printk_emit+0x1ce/0x210 [ 143.894960][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.894978][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.894994][ C0] __dev_printk+0x3dc/0x458 [ 143.895009][ C0] _dev_info+0x1e5/0x22a [ 143.895023][ C0] ? usb_read8+0xe7/0x130 [ 143.895038][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.895055][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.895071][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.895087][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.895103][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.895119][ C0] ? usb_register_driver+0x900/0x900 [ 143.895135][ C0] really_probe+0xe15/0x24d0 [ 143.895151][ C0] driver_probe_device+0x29d/0x3a0 [ 143.895167][ C0] __device_attach_driver+0x63f/0x830 [ 143.895183][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.895199][ C0] ? deferred_probe_work_func+0x400/0x400 [ 143.895216][ C0] __device_attach+0x56a/0x890 [ 143.895231][ C0] device_initial_probe+0x4a/0x60 [ 143.895247][ C0] bus_probe_device+0x17e/0x3d0 [ 143.895263][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.895280][ C0] device_add+0x2c15/0x31d0 [ 143.895296][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.895313][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 143.895330][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.895348][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.895365][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.895382][ C0] usb_probe_device+0x317/0x570 [ 143.895398][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.895415][ C0] really_probe+0xe15/0x24d0 [ 143.895430][ C0] driver_probe_device+0x29d/0x3a0 [ 143.895446][ C0] __device_attach_driver+0x63f/0x830 [ 143.895463][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.895479][ C0] ? deferred_probe_work_func+0x400/0x400 [ 143.895496][ C0] __device_attach+0x56a/0x890 [ 143.895511][ C0] device_initial_probe+0x4a/0x60 [ 143.895527][ C0] bus_probe_device+0x17e/0x3d0 [ 143.895543][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.895560][ C0] device_add+0x2c15/0x31d0 [ 143.895575][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.895591][ C0] hub_event+0x5b99/0x8870 [ 143.895606][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.895622][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.895658][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.895675][ C0] ? led_work+0x780/0x780 [ 143.895689][ C0] process_one_work+0x1219/0x1fe0 [ 143.895705][ C0] worker_thread+0x12bc/0x2340 [ 143.895721][ C0] kthread+0x521/0x560 [ 143.895735][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.895751][ C0] ? kthread_blkcg+0x110/0x110 [ 143.895767][ C0] ret_from_fork+0x1f/0x30 [ 143.895780][ C0] [ 143.895794][ C0] Local variable ----data@usb_read8 created at: [ 143.895813][ C0] usb_read8+0x5d/0x130 [ 143.895827][ C0] usb_read8+0x5d/0x130 [ 143.895844][ C0] ===================================================== [ 143.895865][ C0] ===================================================== [ 143.895885][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.895906][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 143.895932][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.895956][ C0] Workqueue: usb_hub_wq hub_event [ 143.895982][ C0] Call Trace: [ 143.895995][ C0] dump_stack+0x21c/0x280 [ 143.896010][ C0] kmsan_report+0xfb/0x1e0 [ 143.896024][ C0] __msan_warning+0x5f/0xa0 [ 143.896039][ C0] string+0x573/0x6d0 [ 143.896053][ C0] vsnprintf+0x1acd/0x3600 [ 143.896068][ C0] pointer+0x1b8a/0x1ca0 [ 143.896083][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.896100][ C0] vsnprintf+0x15f2/0x3600 [ 143.896115][ C0] vprintk_store+0x2ab/0x1df0 [ 143.896131][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.896149][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.896165][ C0] vprintk_emit+0x29a/0x7f0 [ 143.896181][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.896196][ C0] dev_printk_emit+0x1ce/0x210 [ 143.896212][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.896229][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.896246][ C0] __dev_printk+0x3dc/0x458 [ 143.896260][ C0] _dev_info+0x1e5/0x22a [ 143.896275][ C0] ? usb_read8+0xe7/0x130 [ 143.896289][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.896306][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.896322][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.896338][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.896354][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.896370][ C0] ? usb_register_driver+0x900/0x900 [ 143.896386][ C0] really_probe+0xe15/0x24d0 [ 143.896401][ C0] driver_probe_device+0x29d/0x3a0 [ 143.896417][ C0] __device_attach_driver+0x63f/0x830 [ 143.896434][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.896450][ C0] ? deferred_probe_work_func+0x400/0x400 [ 143.896466][ C0] __device_attach+0x56a/0x890 [ 143.896482][ C0] device_initial_probe+0x4a/0x60 [ 143.896498][ C0] bus_probe_device+0x17e/0x3d0 [ 143.896514][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.896530][ C0] device_add+0x2c15/0x31d0 [ 143.896546][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.896562][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 143.896579][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.896597][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.896614][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.896631][ C0] usb_probe_device+0x317/0x570 [ 143.896653][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.896670][ C0] really_probe+0xe15/0x24d0 [ 143.896685][ C0] driver_probe_device+0x29d/0x3a0 [ 143.896701][ C0] __device_attach_driver+0x63f/0x830 [ 143.896717][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.896733][ C0] ? deferred_probe_work_func+0x400/0x400 [ 143.896750][ C0] __device_attach+0x56a/0x890 [ 143.896766][ C0] device_initial_probe+0x4a/0x60 [ 143.896781][ C0] bus_probe_device+0x17e/0x3d0 [ 143.896798][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.896814][ C0] device_add+0x2c15/0x31d0 [ 143.896830][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.896845][ C0] hub_event+0x5b99/0x8870 [ 143.896860][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.896876][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.896893][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.896916][ C0] ? led_work+0x780/0x780 [ 143.896961][ C0] process_one_work+0x1219/0x1fe0 [ 143.896979][ C0] worker_thread+0x12bc/0x2340 [ 143.896994][ C0] kthread+0x521/0x560 [ 143.897009][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.897025][ C0] ? kthread_blkcg+0x110/0x110 [ 143.897040][ C0] ret_from_fork+0x1f/0x30 [ 143.897054][ C0] [ 143.897067][ C0] Local variable ----data@usb_read8 created at: [ 143.897086][ C0] usb_read8+0x5d/0x130 [ 143.897101][ C0] usb_read8+0x5d/0x130 [ 143.897117][ C0] ===================================================== [ 143.897138][ C0] ===================================================== [ 143.897158][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.897179][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 143.897205][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.897228][ C0] Workqueue: usb_hub_wq hub_event [ 143.897257][ C0] Call Trace: [ 143.897270][ C0] dump_stack+0x21c/0x280 [ 143.897284][ C0] kmsan_report+0xfb/0x1e0 [ 143.897299][ C0] __msan_warning+0x5f/0xa0 [ 143.897313][ C0] string+0x573/0x6d0 [ 143.897327][ C0] vsnprintf+0x1acd/0x3600 [ 143.897342][ C0] pointer+0x1b8a/0x1ca0 [ 143.897357][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.897373][ C0] vsnprintf+0x15f2/0x3600 [ 143.897388][ C0] vprintk_store+0x2ab/0x1df0 [ 143.897404][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.897421][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.897438][ C0] vprintk_emit+0x29a/0x7f0 [ 143.897453][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 143.897468][ C0] dev_printk_emit+0x1ce/0x210 [ 143.897484][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 143.897501][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.897518][ C0] __dev_printk+0x3dc/0x458 [ 143.897533][ C0] _dev_info+0x1e5/0x22a [ 143.897547][ C0] ? usb_read8+0xe7/0x130 [ 143.897562][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 143.897578][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 143.897595][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 143.897610][ C0] ? r871x_dev_unload+0x310/0x310 [ 143.897626][ C0] usb_probe_interface+0xfcc/0x1520 [ 143.897647][ C0] ? usb_register_driver+0x900/0x900 [ 143.897663][ C0] really_probe+0xe15/0x24d0 [ 143.897679][ C0] driver_probe_device+0x29d/0x3a0 [ 143.897695][ C0] __device_attach_driver+0x63f/0x830 [ 143.897712][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.897728][ C0] ? deferred_probe_work_func+0x400/0x400 [ 143.897745][ C0] __device_attach+0x56a/0x890 [ 143.897760][ C0] device_initial_probe+0x4a/0x60 [ 143.897776][ C0] bus_probe_device+0x17e/0x3d0 [ 143.897792][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.897809][ C0] device_add+0x2c15/0x31d0 [ 143.897825][ C0] usb_set_configuration+0x3872/0x3eb0 [ 143.897841][ C0] ? usb_set_configuration+0xa61/0x3eb0 [ 143.897859][ C0] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 143.897877][ C0] usb_generic_driver_probe+0x138/0x300 [ 143.897894][ C0] ? usb_choose_configuration+0xee0/0xee0 [ 143.897910][ C0] usb_probe_device+0x317/0x570 [ 143.897927][ C0] ? usb_register_device_driver+0x590/0x590 [ 143.897943][ C0] really_probe+0xe15/0x24d0 [ 143.897959][ C0] driver_probe_device+0x29d/0x3a0 [ 143.897975][ C0] __device_attach_driver+0x63f/0x830 [ 143.897991][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 143.898007][ C0] ? deferred_probe_work_func+0x400/0x400 [ 143.898024][ C0] __device_attach+0x56a/0x890 [ 143.898040][ C0] device_initial_probe+0x4a/0x60 [ 143.898056][ C0] bus_probe_device+0x17e/0x3d0 [ 143.898072][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.898089][ C0] device_add+0x2c15/0x31d0 [ 143.898104][ C0] usb_new_device+0x1bd4/0x2a30 [ 143.898119][ C0] hub_event+0x5b99/0x8870 [ 143.898134][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.898150][ C0] ? kmsan_get_metadata+0x116/0x180 [ 143.898167][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.898184][ C0] ? led_work+0x780/0x780 [ 143.898199][ C0] process_one_work+0x1219/0x1fe0 [ 143.898214][ C0] worker_thread+0x12bc/0x2340 [ 143.898229][ C0] kthread+0x521/0x560 [ 143.898244][ C0] ? process_one_work+0x1fe0/0x1fe0 [ 143.898260][ C0] ? kthread_blkcg+0x110/0x110 [ 143.898275][ C0] ret_from_fork+0x1f/0x30 [ 143.898289][ C0] [ 143.898302][ C0] Local variable ----data@usb_read8 created at: [ 143.898320][ C0] usb_read8+0x5d/0x130 [ 143.898335][ C0] usb_read8+0x5d/0x130 [ 143.898352][ C0] ===================================================== [ 143.898372][ C0] ===================================================== [ 143.898393][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 143.898414][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 143.898440][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.898464][ C0] Workqueue: usb_hub_wq hub_event [ 143.898491][ C0] Call Trace: [ 143.898504][ C0] dump_stack+0x21c/0x280 [ 143.898519][ C0] kmsan_report+0xfb/0x1e0 [ 143.898533][ C0] __msan_warning+0x5f/0xa0 [ 143.898548][ C0] string+0x573/0x6d0 [ 143.898562][ C0] vsnprintf+0x1acd/0x3600 [ 143.898577][ C0] pointer+0x1b8a/0x1ca0 [ 143.898592][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.898608][ C0] vsnprintf+0x15f2/0x3600 [ 143.898623][ C0] vprintk_store+0x2ab/0x1df0 [ 143.898644][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 143.898660][ C0] ? kmsan_get_shadow [ 143.898685][ C0] Lost 1730 message(s)! [ 145.172495][ T7] ===================================================== [ 145.179436][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 145.186773][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 145.196323][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.206415][ T7] Workqueue: usb_hub_wq hub_event [ 145.211467][ T7] Call Trace: [ 145.214750][ T7] dump_stack+0x21c/0x280 [ 145.219103][ T7] kmsan_report+0xfb/0x1e0 [ 145.223589][ T7] __msan_warning+0x5f/0xa0 [ 145.228118][ T7] r871xu_drv_init+0x1a86/0x2fe0 [ 145.233133][ T7] ? r871x_dev_unload+0x310/0x310 [ 145.238183][ T7] usb_probe_interface+0xfcc/0x1520 [ 145.243402][ T7] ? usb_register_driver+0x900/0x900 [ 145.248764][ T7] really_probe+0xe15/0x24d0 [ 145.253381][ T7] driver_probe_device+0x29d/0x3a0 [ 145.258642][ T7] __device_attach_driver+0x63f/0x830 [ 145.264056][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 145.268922][ T7] ? deferred_probe_work_func+0x400/0x400 [ 145.274665][ T7] __device_attach+0x56a/0x890 [ 145.279466][ T7] device_initial_probe+0x4a/0x60 [ 145.284512][ T7] bus_probe_device+0x17e/0x3d0 [ 145.289378][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.295207][ T7] device_add+0x2c15/0x31d0 [ 145.299726][ T7] usb_set_configuration+0x3872/0x3eb0 [ 145.305205][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 145.310769][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.316863][ T7] usb_generic_driver_probe+0x138/0x300 [ 145.322420][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 145.328151][ T7] usb_probe_device+0x317/0x570 [ 145.333014][ T7] ? usb_register_device_driver+0x590/0x590 [ 145.338921][ T7] really_probe+0xe15/0x24d0 [ 145.343533][ T7] driver_probe_device+0x29d/0x3a0 [ 145.348663][ T7] __device_attach_driver+0x63f/0x830 [ 145.354055][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 145.358920][ T7] ? deferred_probe_work_func+0x400/0x400 [ 145.364676][ T7] __device_attach+0x56a/0x890 [ 145.369467][ T7] device_initial_probe+0x4a/0x60 [ 145.374551][ T7] bus_probe_device+0x17e/0x3d0 [ 145.379419][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.385246][ T7] device_add+0x2c15/0x31d0 [ 145.389760][ T7] usb_new_device+0x1bd4/0x2a30 [ 145.394609][ T7] hub_event+0x5b99/0x8870 [ 145.399019][ T7] ? kmsan_get_metadata+0x116/0x180 [ 145.404239][ T7] ? kmsan_get_metadata+0x116/0x180 [ 145.409432][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.415257][ T7] ? led_work+0x780/0x780 [ 145.419573][ T7] process_one_work+0x1219/0x1fe0 [ 145.424587][ T7] worker_thread+0x12bc/0x2340 [ 145.429341][ T7] kthread+0x521/0x560 [ 145.433395][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 145.438580][ T7] ? kthread_blkcg+0x110/0x110 [ 145.443329][ T7] ret_from_fork+0x1f/0x30 [ 145.447732][ T7] [ 145.450034][ T7] Local variable ----data@usb_read8 created at: [ 145.456293][ T7] usb_read8+0x5d/0x130 [ 145.460437][ T7] usb_read8+0x5d/0x130 [ 145.464591][ T7] ===================================================== [ 145.471645][ T7] ===================================================== [ 145.478643][ T7] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 145.485955][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 145.495509][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.505598][ T7] Workqueue: usb_hub_wq hub_event [ 145.510624][ T7] Call Trace: [ 145.513940][ T7] dump_stack+0x21c/0x280 [ 145.518256][ T7] kmsan_report+0xfb/0x1e0 [ 145.522661][ T7] __msan_warning+0x5f/0xa0 [ 145.527150][ T7] r871xu_drv_init+0x2a38/0x2fe0 [ 145.532075][ T7] ? r871x_dev_unload+0x310/0x310 [ 145.537140][ T7] usb_probe_interface+0xfcc/0x1520 [ 145.542328][ T7] ? usb_register_driver+0x900/0x900 [ 145.547601][ T7] really_probe+0xe15/0x24d0 [ 145.552218][ T7] driver_probe_device+0x29d/0x3a0 [ 145.557343][ T7] __device_attach_driver+0x63f/0x830 [ 145.562704][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 145.567542][ T7] ? deferred_probe_work_func+0x400/0x400 [ 145.573246][ T7] __device_attach+0x56a/0x890 [ 145.577998][ T7] device_initial_probe+0x4a/0x60 [ 145.583008][ T7] bus_probe_device+0x17e/0x3d0 [ 145.587848][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.593687][ T7] device_add+0x2c15/0x31d0 [ 145.598198][ T7] usb_set_configuration+0x3872/0x3eb0 [ 145.603667][ T7] ? usb_set_configuration+0xa61/0x3eb0 [ 145.609198][ T7] ? __msan_metadata_ptr_for_load_1+0x10/0x20 [ 145.615258][ T7] usb_generic_driver_probe+0x138/0x300 [ 145.620834][ T7] ? usb_choose_configuration+0xee0/0xee0 [ 145.626554][ T7] usb_probe_device+0x317/0x570 [ 145.631387][ T7] ? usb_register_device_driver+0x590/0x590 [ 145.637266][ T7] really_probe+0xe15/0x24d0 [ 145.641844][ T7] driver_probe_device+0x29d/0x3a0 [ 145.646954][ T7] __device_attach_driver+0x63f/0x830 [ 145.652354][ T7] bus_for_each_drv+0x2c8/0x3f0 [ 145.657195][ T7] ? deferred_probe_work_func+0x400/0x400 [ 145.662930][ T7] __device_attach+0x56a/0x890 [ 145.667838][ T7] device_initial_probe+0x4a/0x60 [ 145.672850][ T7] bus_probe_device+0x17e/0x3d0 [ 145.677688][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.683482][ T7] device_add+0x2c15/0x31d0 [ 145.687975][ T7] usb_new_device+0x1bd4/0x2a30 [ 145.692814][ T7] hub_event+0x5b99/0x8870 [ 145.697220][ T7] ? kmsan_get_metadata+0x116/0x180 [ 145.702413][ T7] ? kmsan_get_metadata+0x116/0x180 [ 145.707606][ T7] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 145.713404][ T7] ? led_work+0x780/0x780 [ 145.717738][ T7] process_one_work+0x1219/0x1fe0 [ 145.722759][ T7] worker_thread+0x12bc/0x2340 [ 145.727524][ T7] kthread+0x521/0x560 [ 145.731616][ T7] ? process_one_work+0x1fe0/0x1fe0 [ 145.736813][ T7] ? kthread_blkcg+0x110/0x110 [ 145.741564][ T7] ret_from_fork+0x1f/0x30 [ 145.745972][ T7] [ 145.748278][ T7] Local variable ----mac@r871xu_drv_init created at: [ 145.754924][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 145.759853][ T7] r871xu_drv_init+0x189d/0x2fe0 [ 145.764776][ T7] ===================================================== [ 145.771828][ T7] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 145.779613][ T7] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 145.791324][ T1984] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 145.800612][ T1984] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 145.810263][ T7] usb 1-1: USB disconnect, device number 4 [ 145.853270][ T1984] usb 1-1: r8712u: Firmware request failed [ 146.238951][ T7] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 146.479017][ T7] usb 1-1: Using ep0 maxpacket: 16 [ 146.779276][ T7] usb 1-1: New USB device found, idVendor=07aa, idProduct=0051, bcdDevice=f5.6e [ 146.788484][ T7] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 146.796836][ T7] usb 1-1: Product: syz [ 146.801295][ T7] usb 1-1: Manufacturer: syz [ 146.805970][ T7] usb 1-1: SerialNumber: syz [ 146.818696][ T7] usb 1-1: config 0 descriptor?? executing program [ 147.106502][ T7] r8712u: register rtl8712_netdev_ops to netdev_ops [ 147.113639][ T7] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 147.179176][ T7] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 147.185100][ C0] ===================================================== [ 147.185154][ C0] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 147.185193][ C0] CPU: 0 PID: 7 Comm: kworker/0:1 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 147.185219][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.185243][ C0] Workqueue: usb_hub_wq hub_event [ 147.185273][ C0] Call Trace: [ 147.185286][ C0] dump_stack+0x21c/0x280 [ 147.185301][ C0] kmsan_report+0xfb/0x1e0 [ 147.185316][ C0] __msan_warning+0x5f/0xa0 [ 147.185331][ C0] string+0x573/0x6d0 [ 147.185345][ C0] vsnprintf+0x1acd/0x3600 [ 147.185360][ C0] pointer+0x1b8a/0x1ca0 [ 147.185375][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.185392][ C0] vsnprintf+0x15f2/0x3600 [ 147.185407][ C0] vprintk_store+0x2ab/0x1df0 [ 147.185423][ C0] ? kmsan_internal_set_origin+0x85/0xc0 [ 147.185440][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.185457][ C0] vprintk_emit+0x29a/0x7f0 [ 147.185472][ C0] dev_vprintk_emit+0x5f7/0x6d8 [ 147.185487][ C0] dev_printk_emit+0x1ce/0x210 [ 147.185503][ C0] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 147.185520][ C0] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 147.185537][ C0] __dev_printk+0x3dc/0x458 [ 147.185552][ C0] _dev_info+0x1e5/0x22a [ 147.185566][ C0] ? usb_read8+0xe7/0x130 [ 147.185581][ C0] ? r871xu_drv_init+0x1986/0x2fe0 [ 147.185598][ C0] ? r8712_usb_set_intf_ops+0x240/0x240 [ 147.185615][ C0] r871xu_drv_init+0x1a59/0x2fe0 [ 147.185631][ C0] ? r871x_dev_unload+0x310/0x310 [ 147.185647][ C0] usb_probe_interface+0xfcc/0x1520 [ 147.185666][ C0] ? usb_register_driver+0x900/0x900 [ 147.185682][ C0] really_probe+0xe15/0x24d0 [ 147.185697][ C0] driver_probe_device+0x29d/0x3a0 [ 147.185713][ C0] __device_attach_driver+0x63f/0x830 [ 147.185730][ C0] bus_for_each_drv+0x2c8/0x3f0 [ 147.185746][ C0] ? deferred_probe_work_func+0x400/0x400