[ 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 '10.128.0.40' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 135.063960][ T18] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 135.303967][ T18] usb 1-1: Using ep0 maxpacket: 16 [ 135.454142][ T18] usb 1-1: config 0 has an invalid interface number: 194 but max is 0 [ 135.463134][ T18] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 135.473927][ T18] usb 1-1: config 0 has no interface number 0 [ 135.480303][ T18] usb 1-1: config 0 interface 194 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 135.490734][ T18] usb 1-1: New USB device found, idVendor=177f, idProduct=0154, bcdDevice=b5.86 [ 135.500109][ T18] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 135.511174][ T18] usb 1-1: config 0 descriptor?? [ 135.581799][ T18] r8712u: register rtl8712_netdev_ops to netdev_ops [ 135.588965][ T18] usb 1-1: r8712u: USB_SPEED_HIGH with 1 endpoints executing program [ 135.694131][ T18] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 135.700038][ C1] ===================================================== [ 135.700065][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 135.700085][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Not tainted 5.11.0-rc7-syzkaller #0 [ 135.700109][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.700133][ C1] Workqueue: usb_hub_wq hub_event [ 135.700163][ C1] Call Trace: [ 135.700176][ C1] dump_stack+0x21c/0x280 [ 135.700191][ C1] kmsan_report+0xfb/0x1e0 [ 135.700206][ C1] __msan_warning+0x5f/0xa0 [ 135.700229][ C1] string+0x573/0x6d0 [ 135.700243][ C1] vsnprintf+0x1acd/0x3600 [ 135.700258][ C1] pointer+0x1b8a/0x1ca0 [ 135.700273][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.700289][ C1] vsnprintf+0x15f2/0x3600 [ 135.700304][ C1] vprintk_store+0x2ab/0x1df0 [ 135.700320][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 135.700337][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.700354][ C1] vprintk_emit+0x29a/0x7f0 [ 135.700368][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 135.700383][ C1] dev_printk_emit+0x1ce/0x210 [ 135.700399][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 135.700416][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.700432][ C1] __dev_printk+0x3dc/0x458 [ 135.700447][ C1] _dev_info+0x1e5/0x22a [ 135.700461][ C1] ? usb_read8+0xe7/0x130 [ 135.700475][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 135.700491][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 135.700507][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 135.700523][ C1] ? r871x_dev_unload+0x310/0x310 [ 135.700538][ C1] usb_probe_interface+0xfcc/0x1520 [ 135.700554][ C1] ? usb_register_driver+0x900/0x900 [ 135.700570][ C1] really_probe+0xe15/0x24d0 [ 135.700584][ C1] driver_probe_device+0x29d/0x3a0 [ 135.700600][ C1] __device_attach_driver+0x63f/0x830 [ 135.700616][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 135.700632][ C1] ? deferred_probe_work_func+0x400/0x400 [ 135.700649][ C1] __device_attach+0x56a/0x890 [ 135.700664][ C1] device_initial_probe+0x4a/0x60 [ 135.700682][ C1] bus_probe_device+0x17e/0x3d0 [ 135.700710][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.700743][ C1] device_add+0x2c15/0x31d0 [ 135.700774][ C1] usb_set_configuration+0x3872/0x3eb0 [ 135.700809][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 135.700843][ C1] usb_generic_driver_probe+0x138/0x300 [ 135.700878][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 135.700900][ C1] usb_probe_device+0x317/0x570 [ 135.700916][ C1] ? usb_register_device_driver+0x590/0x590 [ 135.700933][ C1] really_probe+0xe15/0x24d0 [ 135.700948][ C1] driver_probe_device+0x29d/0x3a0 [ 135.700964][ C1] __device_attach_driver+0x63f/0x830 [ 135.700981][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 135.700996][ C1] ? deferred_probe_work_func+0x400/0x400 [ 135.701013][ C1] __device_attach+0x56a/0x890 [ 135.701028][ C1] device_initial_probe+0x4a/0x60 [ 135.701044][ C1] bus_probe_device+0x17e/0x3d0 [ 135.701059][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.701076][ C1] device_add+0x2c15/0x31d0 [ 135.701091][ C1] usb_new_device+0x1bd4/0x2a30 [ 135.701106][ C1] hub_event+0x5b99/0x8870 [ 135.701120][ C1] ? kmsan_get_metadata+0x116/0x180 [ 135.701137][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.701153][ C1] ? led_work+0x780/0x780 [ 135.701167][ C1] process_one_work+0x1219/0x1fe0 [ 135.701183][ C1] worker_thread+0x10ec/0x2340 [ 135.701198][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.701220][ C1] ? kmsan_get_metadata+0x116/0x180 [ 135.701236][ C1] kthread+0x521/0x560 [ 135.701250][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 135.701265][ C1] ? kthread_blkcg+0x110/0x110 [ 135.701280][ C1] ret_from_fork+0x1f/0x30 [ 135.701293][ C1] [ 135.701306][ C1] Local variable ----data@usb_read8 created at: [ 135.701324][ C1] usb_read8+0x5d/0x130 [ 135.701339][ C1] usb_read8+0x5d/0x130 [ 135.701354][ C1] ===================================================== [ 135.701374][ C1] Disabling lock debugging due to kernel taint [ 135.701394][ C1] ===================================================== [ 135.701413][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 135.701434][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 135.701460][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.701483][ C1] Workqueue: usb_hub_wq hub_event [ 135.701510][ C1] Call Trace: [ 135.701523][ C1] dump_stack+0x21c/0x280 [ 135.701538][ C1] kmsan_report+0xfb/0x1e0 [ 135.701552][ C1] __msan_warning+0x5f/0xa0 [ 135.701567][ C1] string+0x573/0x6d0 [ 135.701581][ C1] vsnprintf+0x1acd/0x3600 [ 135.701595][ C1] pointer+0x1b8a/0x1ca0 [ 135.701610][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.701626][ C1] vsnprintf+0x15f2/0x3600 [ 135.701641][ C1] vprintk_store+0x2ab/0x1df0 [ 135.701656][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 135.701674][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.701690][ C1] vprintk_emit+0x29a/0x7f0 [ 135.701705][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 135.701724][ C1] dev_printk_emit+0x1ce/0x210 [ 135.701739][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 135.701756][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.701773][ C1] __dev_printk+0x3dc/0x458 [ 135.701787][ C1] _dev_info+0x1e5/0x22a [ 135.701802][ C1] ? usb_read8+0xe7/0x130 [ 135.701816][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 135.701832][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 135.701849][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 135.701868][ C1] ? r871x_dev_unload+0x310/0x310 [ 135.701899][ C1] usb_probe_interface+0xfcc/0x1520 [ 135.701932][ C1] ? usb_register_driver+0x900/0x900 [ 135.701964][ C1] really_probe+0xe15/0x24d0 [ 135.701995][ C1] driver_probe_device+0x29d/0x3a0 [ 135.702028][ C1] __device_attach_driver+0x63f/0x830 [ 135.702059][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 135.702076][ C1] ? deferred_probe_work_func+0x400/0x400 [ 135.702093][ C1] __device_attach+0x56a/0x890 [ 135.702108][ C1] device_initial_probe+0x4a/0x60 [ 135.702124][ C1] bus_probe_device+0x17e/0x3d0 [ 135.702140][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.702157][ C1] device_add+0x2c15/0x31d0 [ 135.702172][ C1] usb_set_configuration+0x3872/0x3eb0 [ 135.702188][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 135.702205][ C1] usb_generic_driver_probe+0x138/0x300 [ 135.702227][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 135.702244][ C1] usb_probe_device+0x317/0x570 [ 135.702260][ C1] ? usb_register_device_driver+0x590/0x590 [ 135.702276][ C1] really_probe+0xe15/0x24d0 [ 135.702291][ C1] driver_probe_device+0x29d/0x3a0 [ 135.702307][ C1] __device_attach_driver+0x63f/0x830 [ 135.702323][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 135.702339][ C1] ? deferred_probe_work_func+0x400/0x400 [ 135.702356][ C1] __device_attach+0x56a/0x890 [ 135.702371][ C1] device_initial_probe+0x4a/0x60 [ 135.702387][ C1] bus_probe_device+0x17e/0x3d0 [ 135.702403][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.702420][ C1] device_add+0x2c15/0x31d0 [ 135.702434][ C1] usb_new_device+0x1bd4/0x2a30 [ 135.702449][ C1] hub_event+0x5b99/0x8870 [ 135.702465][ C1] ? kmsan_get_metadata+0x116/0x180 [ 135.702482][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.702498][ C1] ? led_work+0x780/0x780 [ 135.702516][ C1] process_one_work+0x1219/0x1fe0 [ 135.702531][ C1] worker_thread+0x10ec/0x2340 [ 135.702547][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.702564][ C1] ? kmsan_get_metadata+0x116/0x180 [ 135.702580][ C1] kthread+0x521/0x560 [ 135.702594][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 135.702610][ C1] ? kthread_blkcg+0x110/0x110 [ 135.702625][ C1] ret_from_fork+0x1f/0x30 [ 135.702639][ C1] [ 135.702652][ C1] Local variable ----data@usb_read8 created at: [ 135.702670][ C1] usb_read8+0x5d/0x130 [ 135.702684][ C1] usb_read8+0x5d/0x130 [ 135.702700][ C1] ===================================================== [ 135.702723][ C1] ===================================================== [ 135.702742][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 135.702763][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 135.702788][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.702811][ C1] Workqueue: usb_hub_wq hub_event [ 135.702838][ C1] Call Trace: [ 135.702851][ C1] dump_stack+0x21c/0x280 [ 135.702865][ C1] kmsan_report+0xfb/0x1e0 [ 135.702879][ C1] __msan_warning+0x5f/0xa0 [ 135.702894][ C1] string+0x573/0x6d0 [ 135.702908][ C1] vsnprintf+0x1acd/0x3600 [ 135.702922][ C1] pointer+0x1b8a/0x1ca0 [ 135.702937][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.702954][ C1] vsnprintf+0x15f2/0x3600 [ 135.702968][ C1] vprintk_store+0x2ab/0x1df0 [ 135.702984][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 135.703001][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.703018][ C1] vprintk_emit+0x29a/0x7f0 [ 135.703032][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 135.703063][ C1] dev_printk_emit+0x1ce/0x210 [ 135.703094][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 135.703129][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.703163][ C1] __dev_printk+0x3dc/0x458 [ 135.703193][ C1] _dev_info+0x1e5/0x22a [ 135.703224][ C1] ? usb_read8+0xe7/0x130 [ 135.703239][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 135.703255][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 135.703272][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 135.703287][ C1] ? r871x_dev_unload+0x310/0x310 [ 135.703304][ C1] usb_probe_interface+0xfcc/0x1520 [ 135.703320][ C1] ? usb_register_driver+0x900/0x900 [ 135.703335][ C1] really_probe+0xe15/0x24d0 [ 135.703351][ C1] driver_probe_device+0x29d/0x3a0 [ 135.703367][ C1] __device_attach_driver+0x63f/0x830 [ 135.703384][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 135.703399][ C1] ? deferred_probe_work_func+0x400/0x400 [ 135.703416][ C1] __device_attach+0x56a/0x890 [ 135.703432][ C1] device_initial_probe+0x4a/0x60 [ 135.703447][ C1] bus_probe_device+0x17e/0x3d0 [ 135.703463][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.703480][ C1] device_add+0x2c15/0x31d0 [ 135.703495][ C1] usb_set_configuration+0x3872/0x3eb0 [ 135.703512][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 135.703528][ C1] usb_generic_driver_probe+0x138/0x300 [ 135.703545][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 135.703561][ C1] usb_probe_device+0x317/0x570 [ 135.703577][ C1] ? usb_register_device_driver+0x590/0x590 [ 135.703593][ C1] really_probe+0xe15/0x24d0 [ 135.703608][ C1] driver_probe_device+0x29d/0x3a0 [ 135.703624][ C1] __device_attach_driver+0x63f/0x830 [ 135.703640][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 135.703655][ C1] ? deferred_probe_work_func+0x400/0x400 [ 135.703672][ C1] __device_attach+0x56a/0x890 [ 135.703687][ C1] device_initial_probe+0x4a/0x60 [ 135.703702][ C1] bus_probe_device+0x17e/0x3d0 [ 135.703720][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.703737][ C1] device_add+0x2c15/0x31d0 [ 135.703751][ C1] usb_new_device+0x1bd4/0x2a30 [ 135.703766][ C1] hub_event+0x5b99/0x8870 [ 135.703788][ C1] ? kmsan_get_metadata+0x116/0x180 [ 135.703819][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.703848][ C1] ? led_work+0x780/0x780 [ 135.703876][ C1] process_one_work+0x1219/0x1fe0 [ 135.703905][ C1] worker_thread+0x10ec/0x2340 [ 135.703934][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.703966][ C1] ? kmsan_get_metadata+0x116/0x180 [ 135.703996][ C1] kthread+0x521/0x560 [ 135.704023][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 135.704053][ C1] ? kthread_blkcg+0x110/0x110 [ 135.704083][ C1] ret_from_fork+0x1f/0x30 [ 135.704104][ C1] [ 135.704117][ C1] Local variable ----data@usb_read8 created at: [ 135.704135][ C1] usb_read8+0x5d/0x130 [ 135.704149][ C1] usb_read8+0x5d/0x130 [ 135.704166][ C1] ===================================================== [ 135.704186][ C1] ===================================================== [ 135.704220][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 135.704263][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 135.704315][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.704363][ C1] Workqueue: usb_hub_wq hub_event [ 135.704410][ C1] Call Trace: [ 135.704422][ C1] dump_stack+0x21c/0x280 [ 135.704437][ C1] kmsan_report+0xfb/0x1e0 [ 135.704451][ C1] __msan_warning+0x5f/0xa0 [ 135.704466][ C1] string+0x573/0x6d0 [ 135.704480][ C1] vsnprintf+0x1acd/0x3600 [ 135.704494][ C1] pointer+0x1b8a/0x1ca0 [ 135.704509][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 135.704526][ C1] vsnprintf+0x15f2/0x3600 [ 135.704540][ C1] vprintk_store+0x2ab/0x1df0 [ 135.704556][ C1] ? kmsan_internal_set_origin+0x8 [ 135.704581][ C1] Lost 1731 message(s)! [ 137.016997][ T18] ===================================================== [ 137.024030][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 137.031394][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 137.041092][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.051192][ T18] Workqueue: usb_hub_wq hub_event [ 137.056259][ T18] Call Trace: [ 137.059551][ T18] dump_stack+0x21c/0x280 [ 137.063909][ T18] kmsan_report+0xfb/0x1e0 [ 137.068355][ T18] __msan_warning+0x5f/0xa0 [ 137.072904][ T18] r871xu_drv_init+0x1a86/0x2fe0 [ 137.077884][ T18] ? r871x_dev_unload+0x310/0x310 [ 137.082940][ T18] usb_probe_interface+0xfcc/0x1520 [ 137.088176][ T18] ? usb_register_driver+0x900/0x900 [ 137.093924][ T18] really_probe+0xe15/0x24d0 [ 137.098552][ T18] driver_probe_device+0x29d/0x3a0 [ 137.103713][ T18] __device_attach_driver+0x63f/0x830 [ 137.109115][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 137.114001][ T18] ? deferred_probe_work_func+0x400/0x400 [ 137.119756][ T18] __device_attach+0x56a/0x890 [ 137.124559][ T18] device_initial_probe+0x4a/0x60 [ 137.129616][ T18] bus_probe_device+0x17e/0x3d0 [ 137.134496][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.140409][ T18] device_add+0x2c15/0x31d0 [ 137.144950][ T18] usb_set_configuration+0x3872/0x3eb0 [ 137.150540][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 137.156120][ T18] usb_generic_driver_probe+0x138/0x300 [ 137.161697][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 137.167439][ T18] usb_probe_device+0x317/0x570 [ 137.172318][ T18] ? usb_register_device_driver+0x590/0x590 [ 137.178239][ T18] really_probe+0xe15/0x24d0 [ 137.182860][ T18] driver_probe_device+0x29d/0x3a0 [ 137.188048][ T18] __device_attach_driver+0x63f/0x830 [ 137.193451][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 137.198330][ T18] ? deferred_probe_work_func+0x400/0x400 [ 137.204088][ T18] __device_attach+0x56a/0x890 [ 137.208894][ T18] device_initial_probe+0x4a/0x60 [ 137.213948][ T18] bus_probe_device+0x17e/0x3d0 [ 137.218827][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.224666][ T18] device_add+0x2c15/0x31d0 [ 137.229204][ T18] usb_new_device+0x1bd4/0x2a30 [ 137.234093][ T18] hub_event+0x5b99/0x8870 [ 137.238580][ T18] ? kmsan_get_metadata+0x116/0x180 [ 137.243808][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.249653][ T18] ? led_work+0x780/0x780 [ 137.254007][ T18] process_one_work+0x1219/0x1fe0 [ 137.259066][ T18] worker_thread+0x10ec/0x2340 [ 137.263879][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.269714][ T18] ? kmsan_get_metadata+0x116/0x180 [ 137.274947][ T18] kthread+0x521/0x560 [ 137.279037][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 137.284267][ T18] ? kthread_blkcg+0x110/0x110 [ 137.289056][ T18] ret_from_fork+0x1f/0x30 [ 137.293497][ T18] [ 137.295821][ T18] Local variable ----data@usb_read8 created at: [ 137.302057][ T18] usb_read8+0x5d/0x130 [ 137.306240][ T18] usb_read8+0x5d/0x130 [ 137.310415][ T18] ===================================================== [ 137.317599][ T18] ===================================================== [ 137.324606][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 137.331931][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 137.341587][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.351653][ T18] Workqueue: usb_hub_wq hub_event [ 137.356711][ T18] Call Trace: [ 137.359998][ T18] dump_stack+0x21c/0x280 [ 137.364355][ T18] kmsan_report+0xfb/0x1e0 [ 137.368801][ T18] __msan_warning+0x5f/0xa0 [ 137.373330][ T18] r871xu_drv_init+0x2a38/0x2fe0 [ 137.378303][ T18] ? r871x_dev_unload+0x310/0x310 [ 137.383530][ T18] usb_probe_interface+0xfcc/0x1520 [ 137.388765][ T18] ? usb_register_driver+0x900/0x900 [ 137.394073][ T18] really_probe+0xe15/0x24d0 [ 137.398693][ T18] driver_probe_device+0x29d/0x3a0 [ 137.403838][ T18] __device_attach_driver+0x63f/0x830 [ 137.409247][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 137.414122][ T18] ? deferred_probe_work_func+0x400/0x400 [ 137.419872][ T18] __device_attach+0x56a/0x890 [ 137.424664][ T18] device_initial_probe+0x4a/0x60 [ 137.429712][ T18] bus_probe_device+0x17e/0x3d0 [ 137.434557][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.440392][ T18] device_add+0x2c15/0x31d0 [ 137.444899][ T18] usb_set_configuration+0x3872/0x3eb0 [ 137.450355][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 137.455915][ T18] usb_generic_driver_probe+0x138/0x300 [ 137.461463][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 137.467222][ T18] usb_probe_device+0x317/0x570 [ 137.472078][ T18] ? usb_register_device_driver+0x590/0x590 [ 137.477999][ T18] really_probe+0xe15/0x24d0 [ 137.482645][ T18] driver_probe_device+0x29d/0x3a0 [ 137.487797][ T18] __device_attach_driver+0x63f/0x830 [ 137.493170][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 137.498052][ T18] ? deferred_probe_work_func+0x400/0x400 [ 137.503797][ T18] __device_attach+0x56a/0x890 [ 137.508595][ T18] device_initial_probe+0x4a/0x60 [ 137.513657][ T18] bus_probe_device+0x17e/0x3d0 [ 137.518502][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.524306][ T18] device_add+0x2c15/0x31d0 [ 137.528801][ T18] usb_new_device+0x1bd4/0x2a30 [ 137.533662][ T18] hub_event+0x5b99/0x8870 [ 137.538075][ T18] ? kmsan_get_metadata+0x116/0x180 [ 137.543267][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.549080][ T18] ? led_work+0x780/0x780 [ 137.553401][ T18] process_one_work+0x1219/0x1fe0 [ 137.558440][ T18] worker_thread+0x10ec/0x2340 [ 137.563213][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 137.569032][ T18] ? kmsan_get_metadata+0x116/0x180 [ 137.574246][ T18] kthread+0x521/0x560 [ 137.578318][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 137.583524][ T18] ? kthread_blkcg+0x110/0x110 [ 137.588281][ T18] ret_from_fork+0x1f/0x30 [ 137.592699][ T18] [ 137.595067][ T18] Local variable ----mac@r871xu_drv_init created at: [ 137.601716][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 137.607604][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 137.612532][ T18] ===================================================== [ 137.619714][ T18] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 137.627421][ T18] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 137.640921][ T18] usb 1-1: USB disconnect, device number 2 [ 137.650521][ T4701] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 137.659655][ T4701] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 137.691367][ T4701] usb 1-1: r8712u: Firmware request failed [ 138.053981][ T18] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 138.294058][ T18] usb 1-1: Using ep0 maxpacket: 16 [ 138.424217][ T18] usb 1-1: config 0 has an invalid interface number: 194 but max is 0 [ 138.432491][ T18] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 138.442887][ T18] usb 1-1: config 0 has no interface number 0 [ 138.449257][ T18] usb 1-1: config 0 interface 194 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 138.459548][ T18] usb 1-1: New USB device found, idVendor=177f, idProduct=0154, bcdDevice=b5.86 [ 138.468996][ T18] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 138.479724][ T18] usb 1-1: config 0 descriptor?? [ 138.531867][ T18] r8712u: register rtl8712_netdev_ops to netdev_ops [ 138.538897][ T18] usb 1-1: r8712u: USB_SPEED_HIGH with 1 endpoints [ 138.644200][ T18] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 138.650205][ C1] ===================================================== [ 138.650231][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 138.650253][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 138.650279][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.650302][ C1] Workqueue: usb_hub_wq hub_event [ 138.650332][ C1] Call Trace: executing program [ 138.650351][ C1] dump_stack+0x21c/0x280 [ 138.650365][ C1] kmsan_report+0xfb/0x1e0 [ 138.650380][ C1] __msan_warning+0x5f/0xa0 [ 138.650394][ C1] string+0x573/0x6d0 [ 138.650408][ C1] vsnprintf+0x1acd/0x3600 [ 138.650423][ C1] pointer+0x1b8a/0x1ca0 [ 138.650438][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.650454][ C1] vsnprintf+0x15f2/0x3600 [ 138.650469][ C1] vprintk_store+0x2ab/0x1df0 [ 138.650485][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.650502][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.650518][ C1] vprintk_emit+0x29a/0x7f0 [ 138.650533][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 138.650548][ C1] dev_printk_emit+0x1ce/0x210 [ 138.650563][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 138.650580][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.650597][ C1] __dev_printk+0x3dc/0x458 [ 138.650611][ C1] _dev_info+0x1e5/0x22a [ 138.650625][ C1] ? usb_read8+0xe7/0x130 [ 138.650639][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 138.650655][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 138.650671][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 138.650687][ C1] ? r871x_dev_unload+0x310/0x310 [ 138.650702][ C1] usb_probe_interface+0xfcc/0x1520 [ 138.650718][ C1] ? usb_register_driver+0x900/0x900 [ 138.650733][ C1] really_probe+0xe15/0x24d0 [ 138.650748][ C1] driver_probe_device+0x29d/0x3a0 [ 138.650764][ C1] __device_attach_driver+0x63f/0x830 [ 138.650780][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 138.650795][ C1] ? deferred_probe_work_func+0x400/0x400 [ 138.650811][ C1] __device_attach+0x56a/0x890 [ 138.650827][ C1] device_initial_probe+0x4a/0x60 [ 138.650842][ C1] bus_probe_device+0x17e/0x3d0 [ 138.650857][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.650874][ C1] device_add+0x2c15/0x31d0 [ 138.650888][ C1] usb_set_configuration+0x3872/0x3eb0 [ 138.650905][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 138.650922][ C1] usb_generic_driver_probe+0x138/0x300 [ 138.650938][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 138.650955][ C1] usb_probe_device+0x317/0x570 [ 138.650971][ C1] ? usb_register_device_driver+0x590/0x590 [ 138.650987][ C1] really_probe+0xe15/0x24d0 [ 138.651003][ C1] driver_probe_device+0x29d/0x3a0 [ 138.651018][ C1] __device_attach_driver+0x63f/0x830 [ 138.651037][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 138.651053][ C1] ? deferred_probe_work_func+0x400/0x400 [ 138.651069][ C1] __device_attach+0x56a/0x890 [ 138.651085][ C1] device_initial_probe+0x4a/0x60 [ 138.651100][ C1] bus_probe_device+0x17e/0x3d0 [ 138.651115][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.651133][ C1] device_add+0x2c15/0x31d0 [ 138.651162][ C1] usb_new_device+0x1bd4/0x2a30 [ 138.651192][ C1] hub_event+0x5b99/0x8870 [ 138.651222][ C1] ? kmsan_get_metadata+0x116/0x180 [ 138.651256][ C1] ? kmsan_get_metadata+0x116/0x180 [ 138.651289][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.651323][ C1] ? led_work+0x780/0x780 [ 138.651350][ C1] process_one_work+0x1219/0x1fe0 [ 138.651366][ C1] worker_thread+0x12bc/0x2340 [ 138.651382][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.651399][ C1] ? kmsan_get_metadata+0x116/0x180 [ 138.651414][ C1] kthread+0x521/0x560 [ 138.651428][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 138.651444][ C1] ? kthread_blkcg+0x110/0x110 [ 138.651459][ C1] ret_from_fork+0x1f/0x30 [ 138.651472][ C1] [ 138.651485][ C1] Local variable ----data@usb_read8 created at: [ 138.651503][ C1] usb_read8+0x5d/0x130 [ 138.651517][ C1] usb_read8+0x5d/0x130 [ 138.651533][ C1] ===================================================== [ 138.651553][ C1] ===================================================== [ 138.651573][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 138.651597][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 138.651622][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.651645][ C1] Workqueue: usb_hub_wq hub_event [ 138.651672][ C1] Call Trace: [ 138.651684][ C1] dump_stack+0x21c/0x280 [ 138.651698][ C1] kmsan_report+0xfb/0x1e0 [ 138.651712][ C1] __msan_warning+0x5f/0xa0 [ 138.651726][ C1] string+0x573/0x6d0 [ 138.651740][ C1] vsnprintf+0x1acd/0x3600 [ 138.651754][ C1] pointer+0x1b8a/0x1ca0 [ 138.651769][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.651785][ C1] vsnprintf+0x15f2/0x3600 [ 138.651799][ C1] vprintk_store+0x2ab/0x1df0 [ 138.651815][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.651831][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.651847][ C1] vprintk_emit+0x29a/0x7f0 [ 138.651862][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 138.651877][ C1] dev_printk_emit+0x1ce/0x210 [ 138.651892][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 138.651909][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.651925][ C1] __dev_printk+0x3dc/0x458 [ 138.651939][ C1] _dev_info+0x1e5/0x22a [ 138.651953][ C1] ? usb_read8+0xe7/0x130 [ 138.651967][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 138.651983][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 138.651999][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 138.652014][ C1] ? r871x_dev_unload+0x310/0x310 [ 138.652030][ C1] usb_probe_interface+0xfcc/0x1520 [ 138.652045][ C1] ? usb_register_driver+0x900/0x900 [ 138.652061][ C1] really_probe+0xe15/0x24d0 [ 138.652076][ C1] driver_probe_device+0x29d/0x3a0 [ 138.652091][ C1] __device_attach_driver+0x63f/0x830 [ 138.652107][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 138.652125][ C1] ? deferred_probe_work_func+0x400/0x400 [ 138.652141][ C1] __device_attach+0x56a/0x890 [ 138.652156][ C1] device_initial_probe+0x4a/0x60 [ 138.652172][ C1] bus_probe_device+0x17e/0x3d0 [ 138.652187][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.652203][ C1] device_add+0x2c15/0x31d0 [ 138.652218][ C1] usb_set_configuration+0x3872/0x3eb0 [ 138.652234][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 138.652251][ C1] usb_generic_driver_probe+0x138/0x300 [ 138.652267][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 138.652283][ C1] usb_probe_device+0x317/0x570 [ 138.652299][ C1] ? usb_register_device_driver+0x590/0x590 [ 138.652325][ C1] really_probe+0xe15/0x24d0 [ 138.652361][ C1] driver_probe_device+0x29d/0x3a0 [ 138.652395][ C1] __device_attach_driver+0x63f/0x830 [ 138.652427][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 138.652459][ C1] ? deferred_probe_work_func+0x400/0x400 [ 138.652492][ C1] __device_attach+0x56a/0x890 [ 138.652516][ C1] device_initial_probe+0x4a/0x60 [ 138.652531][ C1] bus_probe_device+0x17e/0x3d0 [ 138.652547][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.652564][ C1] device_add+0x2c15/0x31d0 [ 138.652578][ C1] usb_new_device+0x1bd4/0x2a30 [ 138.652593][ C1] hub_event+0x5b99/0x8870 [ 138.652608][ C1] ? kmsan_get_metadata+0x116/0x180 [ 138.652624][ C1] ? kmsan_get_metadata+0x116/0x180 [ 138.652640][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.652657][ C1] ? led_work+0x780/0x780 [ 138.652686][ C1] process_one_work+0x1219/0x1fe0 [ 138.652703][ C1] worker_thread+0x12bc/0x2340 [ 138.652718][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.652735][ C1] ? kmsan_get_metadata+0x116/0x180 [ 138.652751][ C1] kthread+0x521/0x560 [ 138.652765][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 138.652781][ C1] ? kthread_blkcg+0x110/0x110 [ 138.652796][ C1] ret_from_fork+0x1f/0x30 [ 138.652810][ C1] [ 138.652823][ C1] Local variable ----data@usb_read8 created at: [ 138.652841][ C1] usb_read8+0x5d/0x130 [ 138.652855][ C1] usb_read8+0x5d/0x130 [ 138.652872][ C1] ===================================================== [ 138.652892][ C1] ===================================================== [ 138.652912][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 138.652933][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 138.652957][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.652980][ C1] Workqueue: usb_hub_wq hub_event [ 138.653007][ C1] Call Trace: [ 138.653020][ C1] dump_stack+0x21c/0x280 [ 138.653034][ C1] kmsan_report+0xfb/0x1e0 [ 138.653048][ C1] __msan_warning+0x5f/0xa0 [ 138.653062][ C1] string+0x573/0x6d0 [ 138.653076][ C1] vsnprintf+0x1acd/0x3600 [ 138.653090][ C1] pointer+0x1b8a/0x1ca0 [ 138.653104][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.653121][ C1] vsnprintf+0x15f2/0x3600 [ 138.653135][ C1] vprintk_store+0x2ab/0x1df0 [ 138.653150][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 138.653167][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.653183][ C1] vprintk_emit+0x29a/0x7f0 [ 138.653198][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 138.653213][ C1] dev_printk_emit+0x1ce/0x210 [ 138.653228][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 138.653245][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.653265][ C1] __dev_printk+0x3dc/0x458 [ 138.653280][ C1] _dev_info+0x1e5/0x22a [ 138.653294][ C1] ? usb_read8+0xe7/0x130 [ 138.653308][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 138.653324][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 138.653354][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 138.653373][ C1] ? r871x_dev_unload+0x310/0x310 [ 138.653389][ C1] usb_probe_interface+0xfcc/0x1520 [ 138.653405][ C1] ? usb_register_driver+0x900/0x900 [ 138.653421][ C1] really_probe+0xe15/0x24d0 [ 138.653440][ C1] driver_probe_device+0x29d/0x3a0 [ 138.653456][ C1] __device_attach_driver+0x63f/0x830 [ 138.653472][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 138.653496][ C1] ? deferred_probe_work_func+0x400/0x400 [ 138.653528][ C1] __device_attach+0x56a/0x890 [ 138.653559][ C1] device_initial_probe+0x4a/0x60 [ 138.653590][ C1] bus_probe_device+0x17e/0x3d0 [ 138.653623][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.653656][ C1] device_add+0x2c15/0x31d0 [ 138.653681][ C1] usb_set_configuration+0x3872/0x3eb0 [ 138.653698][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 138.653714][ C1] usb_generic_driver_probe+0x138/0x300 [ 138.653731][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 138.653748][ C1] usb_probe_device+0x317/0x570 [ 138.653764][ C1] ? usb_register_device_driver+0x590/0x590 [ 138.653781][ C1] really_probe+0xe15/0x24d0 [ 138.653807][ C1] driver_probe_device+0x29d/0x3a0 [ 138.653839][ C1] __device_attach_driver+0x63f/0x830 [ 138.653869][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 138.653900][ C1] ? deferred_probe_work_func+0x400/0x400 [ 138.653933][ C1] __device_attach+0x56a/0x890 [ 138.653962][ C1] device_initial_probe+0x4a/0x60 [ 138.653993][ C1] bus_probe_device+0x17e/0x3d0 [ 138.654024][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.654058][ C1] device_add+0x2c15/0x31d0 [ 138.654087][ C1] usb_new_device+0x1bd4/0x2a30 [ 138.654113][ C1] hub_event+0x5b99/0x8870 [ 138.654128][ C1] ? kmsan_get_metadata+0x116/0x180 [ 138.654144][ C1] ? kmsan_get_metadata+0x116/0x180 [ 138.654161][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.654177][ C1] ? led_work+0x780/0x780 [ 138.654192][ C1] process_one_work+0x1219/0x1fe0 [ 138.654208][ C1] worker_thread+0x12bc/0x2340 [ 138.654224][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.654241][ C1] ? kmsan_get_metadata+0x116/0x180 [ 138.654256][ C1] kthread+0x521/0x560 [ 138.654271][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 138.654286][ C1] ? kthread_blkcg+0x110/0x110 [ 138.654301][ C1] ret_from_fork+0x1f/0x30 [ 138.654314][ C1] [ 138.654327][ C1] Local variable ----data@usb_read8 created at: [ 138.654351][ C1] usb_read8+0x5d/0x130 [ 138.654366][ C1] usb_read8+0x5d/0x130 [ 138.654382][ C1] ===================================================== [ 138.654402][ C1] ===================================================== [ 138.654422][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 138.654443][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 138.654468][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.654492][ C1] Workqueue: usb_hub_wq hub_event [ 138.654519][ C1] Call Trace: [ 138.654532][ C1] dump_stack+0x21c/0x280 [ 138.654547][ C1] kmsan_report+0xfb/0x1e0 [ 138.654561][ C1] __msan_warning+0x5f/0xa0 [ 138.654575][ C1] string+0x573/0x6d0 [ 138.654592][ C1] vsnprintf+0x1acd/0x3600 [ 138.654606][ C1] pointer+0x1b8a/0x1ca0 [ 138.654621][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 138.654636][ C1] vsnprintf+0x1 [ 138.654666][ C1] Lost 1756 message(s)! [ 139.963361][ T18] ===================================================== [ 139.970388][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 139.977756][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 139.987437][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.997614][ T18] Workqueue: usb_hub_wq hub_event [ 140.002770][ T18] Call Trace: [ 140.006072][ T18] dump_stack+0x21c/0x280 [ 140.010461][ T18] kmsan_report+0xfb/0x1e0 [ 140.014911][ T18] __msan_warning+0x5f/0xa0 [ 140.019462][ T18] r871xu_drv_init+0x1a86/0x2fe0 [ 140.024433][ T18] ? r871x_dev_unload+0x310/0x310 [ 140.029491][ T18] usb_probe_interface+0xfcc/0x1520 [ 140.034814][ T18] ? usb_register_driver+0x900/0x900 [ 140.040127][ T18] really_probe+0xe15/0x24d0 [ 140.044757][ T18] driver_probe_device+0x29d/0x3a0 [ 140.049911][ T18] __device_attach_driver+0x63f/0x830 [ 140.055328][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 140.060302][ T18] ? deferred_probe_work_func+0x400/0x400 [ 140.066095][ T18] __device_attach+0x56a/0x890 [ 140.070908][ T18] device_initial_probe+0x4a/0x60 [ 140.075974][ T18] bus_probe_device+0x17e/0x3d0 [ 140.080872][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.088815][ T18] device_add+0x2c15/0x31d0 [ 140.093362][ T18] usb_set_configuration+0x3872/0x3eb0 [ 140.099206][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 140.104800][ T18] usb_generic_driver_probe+0x138/0x300 [ 140.110374][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 140.116148][ T18] usb_probe_device+0x317/0x570 [ 140.121050][ T18] ? usb_register_device_driver+0x590/0x590 [ 140.126973][ T18] really_probe+0xe15/0x24d0 [ 140.131601][ T18] driver_probe_device+0x29d/0x3a0 [ 140.136742][ T18] __device_attach_driver+0x63f/0x830 [ 140.142158][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 140.147054][ T18] ? deferred_probe_work_func+0x400/0x400 [ 140.152812][ T18] __device_attach+0x56a/0x890 [ 140.158215][ T18] device_initial_probe+0x4a/0x60 [ 140.163269][ T18] bus_probe_device+0x17e/0x3d0 [ 140.168147][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.174076][ T18] device_add+0x2c15/0x31d0 [ 140.178614][ T18] usb_new_device+0x1bd4/0x2a30 [ 140.183503][ T18] hub_event+0x5b99/0x8870 [ 140.187955][ T18] ? kmsan_get_metadata+0x116/0x180 [ 140.193216][ T18] ? kmsan_get_metadata+0x116/0x180 [ 140.198470][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.204326][ T18] ? led_work+0x780/0x780 [ 140.208683][ T18] process_one_work+0x1219/0x1fe0 [ 140.213742][ T18] worker_thread+0x12bc/0x2340 [ 140.218550][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.224419][ T18] ? kmsan_get_metadata+0x116/0x180 [ 140.229654][ T18] kthread+0x521/0x560 [ 140.233750][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 140.238987][ T18] ? kthread_blkcg+0x110/0x110 [ 140.243815][ T18] ret_from_fork+0x1f/0x30 [ 140.248257][ T18] [ 140.250582][ T18] Local variable ----data@usb_read8 created at: [ 140.256822][ T18] usb_read8+0x5d/0x130 [ 140.261000][ T18] usb_read8+0x5d/0x130 [ 140.265177][ T18] ===================================================== [ 140.272590][ T18] ===================================================== [ 140.279592][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 140.286940][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 140.296689][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.306781][ T18] Workqueue: usb_hub_wq hub_event [ 140.311886][ T18] Call Trace: [ 140.315220][ T18] dump_stack+0x21c/0x280 [ 140.319585][ T18] kmsan_report+0xfb/0x1e0 [ 140.324030][ T18] __msan_warning+0x5f/0xa0 [ 140.328562][ T18] r871xu_drv_init+0x2a38/0x2fe0 [ 140.333532][ T18] ? r871x_dev_unload+0x310/0x310 [ 140.338585][ T18] usb_probe_interface+0xfcc/0x1520 [ 140.343812][ T18] ? usb_register_driver+0x900/0x900 [ 140.349131][ T18] really_probe+0xe15/0x24d0 [ 140.353766][ T18] driver_probe_device+0x29d/0x3a0 [ 140.358914][ T18] __device_attach_driver+0x63f/0x830 [ 140.364323][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 140.369212][ T18] ? deferred_probe_work_func+0x400/0x400 [ 140.374994][ T18] __device_attach+0x56a/0x890 [ 140.379803][ T18] device_initial_probe+0x4a/0x60 [ 140.384879][ T18] bus_probe_device+0x17e/0x3d0 [ 140.389782][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.395646][ T18] device_add+0x2c15/0x31d0 [ 140.400181][ T18] usb_set_configuration+0x3872/0x3eb0 [ 140.405639][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 140.411206][ T18] usb_generic_driver_probe+0x138/0x300 [ 140.416765][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 140.422561][ T18] usb_probe_device+0x317/0x570 [ 140.427458][ T18] ? usb_register_device_driver+0x590/0x590 [ 140.433421][ T18] really_probe+0xe15/0x24d0 [ 140.438075][ T18] driver_probe_device+0x29d/0x3a0 [ 140.443188][ T18] __device_attach_driver+0x63f/0x830 [ 140.448907][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 140.453757][ T18] ? deferred_probe_work_func+0x400/0x400 [ 140.459497][ T18] __device_attach+0x56a/0x890 [ 140.464259][ T18] device_initial_probe+0x4a/0x60 [ 140.469290][ T18] bus_probe_device+0x17e/0x3d0 [ 140.474207][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.480043][ T18] device_add+0x2c15/0x31d0 [ 140.484550][ T18] usb_new_device+0x1bd4/0x2a30 [ 140.489415][ T18] hub_event+0x5b99/0x8870 [ 140.493844][ T18] ? kmsan_get_metadata+0x116/0x180 [ 140.499105][ T18] ? kmsan_get_metadata+0x116/0x180 [ 140.504340][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.510144][ T18] ? led_work+0x780/0x780 [ 140.514473][ T18] process_one_work+0x1219/0x1fe0 [ 140.519533][ T18] worker_thread+0x12bc/0x2340 [ 140.524337][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 140.530162][ T18] ? kmsan_get_metadata+0x116/0x180 [ 140.535382][ T18] kthread+0x521/0x560 [ 140.539466][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 140.544663][ T18] ? kthread_blkcg+0x110/0x110 [ 140.549515][ T18] ret_from_fork+0x1f/0x30 [ 140.553966][ T18] [ 140.556287][ T18] Local variable ----mac@r871xu_drv_init created at: [ 140.563068][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 140.568024][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 140.572960][ T18] ===================================================== [ 140.580119][ T18] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 140.587843][ T18] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 140.600433][ T4701] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 140.609672][ T4701] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 140.619522][ T18] usb 1-1: USB disconnect, device number 3 [ 140.643589][ T4701] usb 1-1: r8712u: Firmware request failed [ 141.003994][ T18] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 141.254042][ T18] usb 1-1: Using ep0 maxpacket: 16 [ 141.374366][ T18] usb 1-1: config 0 has an invalid interface number: 194 but max is 0 [ 141.382621][ T18] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 141.393469][ T18] usb 1-1: config 0 has no interface number 0 [ 141.399817][ T18] usb 1-1: config 0 interface 194 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 141.410811][ T18] usb 1-1: New USB device found, idVendor=177f, idProduct=0154, bcdDevice=b5.86 [ 141.420222][ T18] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 141.430843][ T18] usb 1-1: config 0 descriptor?? [ 141.491509][ T18] r8712u: register rtl8712_netdev_ops to netdev_ops [ 141.498801][ T18] usb 1-1: r8712u: USB_SPEED_HIGH with 1 endpoints [ 141.604229][ T18] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 141.609704][ C1] ===================================================== [ 141.609735][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 141.609757][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 141.609783][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.609807][ C1] Workqueue: usb_hub_wq hub_event [ 141.609838][ C1] Call Trace: [ 141.609851][ C1] dump_stack+0x21c/0x280 [ 141.609866][ C1] kmsan_report+0xfb/0x1e0 [ 141.609881][ C1] __msan_warning+0x5f/0xa0 [ 141.609896][ C1] string+0x573/0x6d0 [ 141.609910][ C1] vsnprintf+0x1acd/0x3600 [ 141.609925][ C1] pointer+0x1b8a/0x1ca0 [ 141.609946][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.609963][ C1] vsnprintf+0x15f2/0x3600 [ 141.609978][ C1] vprintk_store+0x2ab/0x1df0 [ 141.609994][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.610012][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.610028][ C1] vprintk_emit+0x29a/0x7f0 [ 141.610043][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 141.610059][ C1] dev_printk_emit+0x1ce/0x210 [ 141.610075][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 141.610092][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.610108][ C1] __dev_printk+0x3dc/0x458 [ 141.610123][ C1] _dev_info+0x1e5/0x22a [ 141.610137][ C1] ? usb_read8+0xe7/0x130 [ 141.610152][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 141.610167][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 141.610187][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 141.610203][ C1] ? r871x_dev_unload+0x310/0x310 [ 141.610219][ C1] usb_probe_interface+0xfcc/0x1520 [ 141.610235][ C1] ? usb_register_driver+0x900/0x900 [ 141.610255][ C1] really_probe+0xe15/0x24d0 [ 141.610270][ C1] driver_probe_device+0x29d/0x3a0 [ 141.610286][ C1] __device_attach_driver+0x63f/0x830 [ 141.610302][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 141.610317][ C1] ? deferred_probe_work_func+0x400/0x400 [ 141.610334][ C1] __device_attach+0x56a/0x890 [ 141.610349][ C1] device_initial_probe+0x4a/0x60 [ 141.610365][ C1] bus_probe_device+0x17e/0x3d0 [ 141.610381][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.610398][ C1] device_add+0x2c15/0x31d0 [ 141.610413][ C1] usb_set_configuration+0x3872/0x3eb0 [ 141.610430][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 141.610447][ C1] usb_generic_driver_probe+0x138/0x300 [ 141.610464][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 141.610480][ C1] usb_probe_device+0x317/0x570 [ 141.610496][ C1] ? usb_register_device_driver+0x590/0x590 [ 141.610512][ C1] really_probe+0xe15/0x24d0 [ 141.610527][ C1] driver_probe_device+0x29d/0x3a0 [ 141.610543][ C1] __device_attach_driver+0x63f/0x830 [ 141.610559][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 141.610575][ C1] ? deferred_probe_work_func+0x400/0x400 [ 141.610591][ C1] __device_attach+0x56a/0x890 [ 141.610607][ C1] device_initial_probe+0x4a/0x60 [ 141.610622][ C1] bus_probe_device+0x17e/0x3d0 [ 141.610638][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.610654][ C1] device_add+0x2c15/0x31d0 [ 141.610669][ C1] usb_new_device+0x1bd4/0x2a30 [ 141.610684][ C1] hub_event+0x5b99/0x8870 [ 141.610699][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.610715][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.610731][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.610747][ C1] ? led_work+0x780/0x780 [ 141.610762][ C1] process_one_work+0x1219/0x1fe0 [ 141.610777][ C1] worker_thread+0x12bc/0x2340 [ 141.610796][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.610812][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.610828][ C1] kthread+0x521/0x560 [ 141.610842][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 141.610857][ C1] ? kthread_blkcg+0x110/0x110 [ 141.610872][ C1] ret_from_fork+0x1f/0x30 [ 141.610886][ C1] [ 141.610898][ C1] Local variable ----data@usb_read8 created at: [ 141.610916][ C1] usb_read8+0x5d/0x130 [ 141.610931][ C1] usb_read8+0x5d/0x130 [ 141.610947][ C1] ===================================================== [ 141.610967][ C1] ===================================================== [ 141.610987][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 141.611008][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 141.611033][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.611056][ C1] Workqueue: usb_hub_wq hub_event [ 141.611083][ C1] Call Trace: [ 141.611096][ C1] dump_stack+0x21c/0x280 [ 141.611110][ C1] kmsan_report+0xfb/0x1e0 [ 141.611125][ C1] __msan_warning+0x5f/0xa0 [ 141.611139][ C1] string+0x573/0x6d0 [ 141.611153][ C1] vsnprintf+0x1acd/0x3600 [ 141.611167][ C1] pointer+0x1b8a/0x1ca0 [ 141.611182][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.611198][ C1] vsnprintf+0x15f2/0x3600 [ 141.611212][ C1] vprintk_store+0x2ab/0x1df0 [ 141.611228][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.611245][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.611268][ C1] vprintk_emit+0x29a/0x7f0 [ 141.611282][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 141.611297][ C1] dev_printk_emit+0x1ce/0x210 [ 141.611313][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 141.611330][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.611346][ C1] __dev_printk+0x3dc/0x458 [ 141.611360][ C1] _dev_info+0x1e5/0x22a [ 141.611374][ C1] ? usb_read8+0xe7/0x130 [ 141.611388][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 141.611404][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 141.611420][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 141.611436][ C1] ? r871x_dev_unload+0x310/0x310 [ 141.611451][ C1] usb_probe_interface+0xfcc/0x1520 [ 141.611467][ C1] ? usb_register_driver+0x900/0x900 [ 141.611483][ C1] really_probe+0xe15/0x24d0 [ 141.611498][ C1] driver_probe_device+0x29d/0x3a0 [ 141.611514][ C1] __device_attach_driver+0x63f/0x830 [ 141.611530][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 141.611546][ C1] ? deferred_probe_work_func+0x400/0x400 [ 141.611562][ C1] __device_attach+0x56a/0x890 [ 141.611578][ C1] device_initial_probe+0x4a/0x60 [ 141.611594][ C1] bus_probe_device+0x17e/0x3d0 [ 141.611610][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.611626][ C1] device_add+0x2c15/0x31d0 [ 141.611641][ C1] usb_set_configuration+0x3872/0x3eb0 [ 141.611658][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 141.611674][ C1] usb_generic_driver_probe+0x138/0x300 [ 141.611691][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 141.611708][ C1] usb_probe_device+0x317/0x570 [ 141.611723][ C1] ? usb_register_device_driver+0x590/0x590 [ 141.611740][ C1] really_probe+0xe15/0x24d0 [ 141.611755][ C1] driver_probe_device+0x29d/0x3a0 [ 141.611772][ C1] __device_attach_driver+0x63f/0x830 [ 141.611787][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 141.611803][ C1] ? deferred_probe_work_func+0x400/0x400 [ 141.611820][ C1] __device_attach+0x56a/0x890 [ 141.611835][ C1] device_initial_probe+0x4a/0x60 [ 141.611851][ C1] bus_probe_device+0x17e/0x3d0 [ 141.611867][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.611884][ C1] device_add+0x2c15/0x31d0 [ 141.611899][ C1] usb_new_device+0x1bd4/0x2a30 [ 141.611915][ C1] hub_event+0x5b99/0x8870 [ 141.611931][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.611947][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.611963][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.611980][ C1] ? led_work+0x780/0x780 [ 141.611994][ C1] process_one_work+0x1219/0x1fe0 [ 141.612010][ C1] worker_thread+0x12bc/0x2340 [ 141.612026][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.612043][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.612058][ C1] kthread+0x521/0x560 [ 141.612073][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 141.612088][ C1] ? kthread_blkcg+0x110/0x110 [ 141.612105][ C1] ret_from_fork+0x1f/0x30 [ 141.612120][ C1] [ 141.612133][ C1] Local variable ----data@usb_read8 created at: [ 141.612150][ C1] usb_read8+0x5d/0x130 [ 141.612165][ C1] usb_read8+0x5d/0x130 [ 141.612181][ C1] ===================================================== [ 141.612201][ C1] ===================================================== [ 141.612221][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 141.612242][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 141.612273][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.612296][ C1] Workqueue: usb_hub_wq hub_event [ 141.612322][ C1] Call Trace: [ 141.612335][ C1] dump_stack+0x21c/0x280 [ 141.612349][ C1] kmsan_report+0xfb/0x1e0 [ 141.612367][ C1] __msan_warning+0x5f/0xa0 [ 141.612381][ C1] string+0x573/0x6d0 [ 141.612399][ C1] vsnprintf+0x1acd/0x3600 [ 141.612414][ C1] pointer+0x1b8a/0x1ca0 [ 141.612430][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.612446][ C1] vsnprintf+0x15f2/0x3600 [ 141.612461][ C1] vprintk_store+0x2ab/0x1df0 [ 141.612477][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 141.612495][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.612512][ C1] vprintk_emit+0x29a/0x7f0 [ 141.612527][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 141.612543][ C1] dev_printk_emit+0x1ce/0x210 [ 141.612558][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 141.612576][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.612592][ C1] __dev_printk+0x3dc/0x458 [ 141.612607][ C1] _dev_info+0x1e5/0x22a [ 141.612621][ C1] ? usb_read8+0xe7/0x130 [ 141.612636][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 141.612652][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 141.612669][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 141.612701][ C1] ? r871x_dev_unload+0x310/0x310 [ 141.612717][ C1] usb_probe_interface+0xfcc/0x1520 [ 141.612733][ C1] ? usb_register_driver+0x900/0x900 [ 141.612749][ C1] really_probe+0xe15/0x24d0 [ 141.612764][ C1] driver_probe_device+0x29d/0x3a0 [ 141.612780][ C1] __device_attach_driver+0x63f/0x830 [ 141.612797][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 141.612813][ C1] ? deferred_probe_work_func+0x400/0x400 [ 141.612830][ C1] __device_attach+0x56a/0x890 [ 141.612847][ C1] device_initial_probe+0x4a/0x60 [ 141.612863][ C1] bus_probe_device+0x17e/0x3d0 [ 141.612879][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.612896][ C1] device_add+0x2c15/0x31d0 [ 141.612913][ C1] usb_set_configuration+0x3872/0x3eb0 [ 141.612930][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 141.612946][ C1] usb_generic_driver_probe+0x138/0x300 [ 141.612963][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 141.612981][ C1] usb_probe_device+0x317/0x570 [ 141.612997][ C1] ? usb_register_device_driver+0x590/0x590 [ 141.613015][ C1] really_probe+0xe15/0x24d0 [ 141.613030][ C1] driver_probe_device+0x29d/0x3a0 [ 141.613050][ C1] __device_attach_driver+0x63f/0x830 [ 141.613066][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 141.613082][ C1] ? deferred_probe_work_func+0x400/0x400 [ 141.613098][ C1] __device_attach+0x56a/0x890 [ 141.613113][ C1] device_initial_probe+0x4a/0x60 [ 141.613129][ C1] bus_probe_device+0x17e/0x3d0 [ 141.613146][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.613162][ C1] device_add+0x2c15/0x31d0 [ 141.613177][ C1] usb_new_device+0x1bd4/0x2a30 [ 141.613192][ C1] hub_event+0x5b99/0x8870 [ 141.613207][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.613224][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.613241][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.613264][ C1] ? led_work+0x780/0x780 [ 141.613279][ C1] process_one_work+0x1219/0x1fe0 [ 141.613300][ C1] worker_thread+0x12bc/0x2340 [ 141.613316][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.613336][ C1] ? kmsan_get_metadata+0x116/0x180 [ 141.613351][ C1] kthread+0x521/0x560 [ 141.613366][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 141.613381][ C1] ? kthread_blkcg+0x110/0x110 [ 141.613397][ C1] ret_from_fork+0x1f/0x30 [ 141.613411][ C1] [ 141.613424][ C1] Local variable ----data@usb_read8 created at: [ 141.613443][ C1] usb_read8+0x5d/0x130 [ 141.613458][ C1] usb_read8+0x5d/0x130 [ 141.613475][ C1] ===================================================== [ 141.613495][ C1] ===================================================== [ 141.613515][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 141.613536][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 141.613562][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.613585][ C1] Workqueue: usb_hub_wq hub_event [ 141.613614][ C1] Call Trace: [ 141.613635][ C1] dump_stack+0x21c/0x280 [ 141.613650][ C1] kmsan_report+0xfb/0x1e0 [ 141.613664][ C1] __msan_warning+0x5f/0xa0 [ 141.613678][ C1] string+0x573/0x6d0 [ 141.613692][ C1] vsnprintf+0x1acd/0x3600 [ 141.613707][ C1] pointer+0x1b8a/0x1ca0 [ 141.613722][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 141.613738][ C1] vsnprintf+0x1 [ 141.613763][ C1] Lost 1756 message(s)! [ 142.897769][ T18] ===================================================== [ 142.904809][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x1a86/0x2fe0 [ 142.912221][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 142.921870][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.931948][ T18] Workqueue: usb_hub_wq hub_event [ 142.937013][ T18] Call Trace: [ 142.940406][ T18] dump_stack+0x21c/0x280 [ 142.944774][ T18] kmsan_report+0xfb/0x1e0 [ 142.949225][ T18] __msan_warning+0x5f/0xa0 [ 142.953796][ T18] r871xu_drv_init+0x1a86/0x2fe0 [ 142.958769][ T18] ? r871x_dev_unload+0x310/0x310 [ 142.963826][ T18] usb_probe_interface+0xfcc/0x1520 [ 142.969104][ T18] ? usb_register_driver+0x900/0x900 [ 142.974428][ T18] really_probe+0xe15/0x24d0 [ 142.979052][ T18] driver_probe_device+0x29d/0x3a0 [ 142.984230][ T18] __device_attach_driver+0x63f/0x830 [ 142.989631][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 142.994506][ T18] ? deferred_probe_work_func+0x400/0x400 [ 143.000258][ T18] __device_attach+0x56a/0x890 [ 143.005048][ T18] device_initial_probe+0x4a/0x60 [ 143.010096][ T18] bus_probe_device+0x17e/0x3d0 [ 143.014974][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.020809][ T18] device_add+0x2c15/0x31d0 [ 143.025348][ T18] usb_set_configuration+0x3872/0x3eb0 [ 143.030863][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 143.036435][ T18] usb_generic_driver_probe+0x138/0x300 [ 143.042003][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 143.047830][ T18] usb_probe_device+0x317/0x570 [ 143.052714][ T18] ? usb_register_device_driver+0x590/0x590 [ 143.058724][ T18] really_probe+0xe15/0x24d0 [ 143.063347][ T18] driver_probe_device+0x29d/0x3a0 [ 143.069009][ T18] __device_attach_driver+0x63f/0x830 [ 143.074462][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 143.079338][ T18] ? deferred_probe_work_func+0x400/0x400 [ 143.085086][ T18] __device_attach+0x56a/0x890 [ 143.089921][ T18] device_initial_probe+0x4a/0x60 [ 143.094994][ T18] bus_probe_device+0x17e/0x3d0 [ 143.100011][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.105847][ T18] device_add+0x2c15/0x31d0 [ 143.110639][ T18] usb_new_device+0x1bd4/0x2a30 [ 143.115587][ T18] hub_event+0x5b99/0x8870 [ 143.120027][ T18] ? kmsan_get_metadata+0x116/0x180 [ 143.125543][ T18] ? kmsan_get_metadata+0x116/0x180 [ 143.130770][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.136714][ T18] ? led_work+0x780/0x780 [ 143.141090][ T18] process_one_work+0x1219/0x1fe0 [ 143.146154][ T18] worker_thread+0x12bc/0x2340 [ 143.150961][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.156793][ T18] ? kmsan_get_metadata+0x116/0x180 [ 143.162888][ T18] kthread+0x521/0x560 executing program [ 143.167063][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 143.173100][ T18] ? kthread_blkcg+0x110/0x110 [ 143.178243][ T18] ret_from_fork+0x1f/0x30 [ 143.182770][ T18] [ 143.185093][ T18] Local variable ----data@usb_read8 created at: [ 143.191324][ T18] usb_read8+0x5d/0x130 [ 143.195522][ T18] usb_read8+0x5d/0x130 [ 143.199790][ T18] ===================================================== [ 143.207106][ T18] ===================================================== [ 143.214179][ T18] BUG: KMSAN: uninit-value in r871xu_drv_init+0x2a38/0x2fe0 [ 143.221497][ T18] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 143.231155][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.241336][ T18] Workqueue: usb_hub_wq hub_event [ 143.246438][ T18] Call Trace: [ 143.249727][ T18] dump_stack+0x21c/0x280 [ 143.254089][ T18] kmsan_report+0xfb/0x1e0 [ 143.258535][ T18] __msan_warning+0x5f/0xa0 [ 143.263086][ T18] r871xu_drv_init+0x2a38/0x2fe0 [ 143.268154][ T18] ? r871x_dev_unload+0x310/0x310 [ 143.273205][ T18] usb_probe_interface+0xfcc/0x1520 [ 143.278442][ T18] ? usb_register_driver+0x900/0x900 [ 143.283938][ T18] really_probe+0xe15/0x24d0 [ 143.289288][ T18] driver_probe_device+0x29d/0x3a0 [ 143.294810][ T18] __device_attach_driver+0x63f/0x830 [ 143.300197][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 143.305073][ T18] ? deferred_probe_work_func+0x400/0x400 [ 143.310801][ T18] __device_attach+0x56a/0x890 [ 143.315610][ T18] device_initial_probe+0x4a/0x60 [ 143.320810][ T18] bus_probe_device+0x17e/0x3d0 [ 143.325657][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.331552][ T18] device_add+0x2c15/0x31d0 [ 143.336055][ T18] usb_set_configuration+0x3872/0x3eb0 [ 143.341528][ T18] ? usb_set_configuration+0xa61/0x3eb0 [ 143.347081][ T18] usb_generic_driver_probe+0x138/0x300 [ 143.352648][ T18] ? usb_choose_configuration+0xee0/0xee0 [ 143.358391][ T18] usb_probe_device+0x317/0x570 [ 143.363243][ T18] ? usb_register_device_driver+0x590/0x590 [ 143.369150][ T18] really_probe+0xe15/0x24d0 [ 143.373795][ T18] driver_probe_device+0x29d/0x3a0 [ 143.378934][ T18] __device_attach_driver+0x63f/0x830 [ 143.384311][ T18] bus_for_each_drv+0x2c8/0x3f0 [ 143.389528][ T18] ? deferred_probe_work_func+0x400/0x400 [ 143.395248][ T18] __device_attach+0x56a/0x890 [ 143.400009][ T18] device_initial_probe+0x4a/0x60 [ 143.405040][ T18] bus_probe_device+0x17e/0x3d0 [ 143.410011][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.415850][ T18] device_add+0x2c15/0x31d0 [ 143.420383][ T18] usb_new_device+0x1bd4/0x2a30 [ 143.425239][ T18] hub_event+0x5b99/0x8870 [ 143.429671][ T18] ? kmsan_get_metadata+0x116/0x180 [ 143.434887][ T18] ? kmsan_get_metadata+0x116/0x180 [ 143.440079][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.445900][ T18] ? led_work+0x780/0x780 [ 143.450233][ T18] process_one_work+0x1219/0x1fe0 [ 143.455278][ T18] worker_thread+0x12bc/0x2340 [ 143.460053][ T18] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 143.465891][ T18] ? kmsan_get_metadata+0x116/0x180 [ 143.471109][ T18] kthread+0x521/0x560 [ 143.475172][ T18] ? process_one_work+0x1fe0/0x1fe0 [ 143.480389][ T18] ? kthread_blkcg+0x110/0x110 [ 143.485159][ T18] ret_from_fork+0x1f/0x30 [ 143.489566][ T18] [ 143.491874][ T18] Local variable ----mac@r871xu_drv_init created at: [ 143.498659][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 143.503765][ T18] r871xu_drv_init+0x189d/0x2fe0 [ 143.509132][ T18] ===================================================== [ 143.516418][ T18] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 143.524131][ T18] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 143.534805][ T4701] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 143.543799][ T4701] usb 1-1: Falling back to sysfs fallback for: rtlwifi/rtl8712u.bin [ 143.555571][ T18] usb 1-1: USB disconnect, device number 4 [ 143.576660][ T4701] usb 1-1: r8712u: Firmware request failed [ 143.934138][ T18] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 144.174034][ T18] usb 1-1: Using ep0 maxpacket: 16 [ 144.294201][ T18] usb 1-1: config 0 has an invalid interface number: 194 but max is 0 [ 144.302517][ T18] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 144.312951][ T18] usb 1-1: config 0 has no interface number 0 [ 144.319368][ T18] usb 1-1: config 0 interface 194 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 144.329762][ T18] usb 1-1: New USB device found, idVendor=177f, idProduct=0154, bcdDevice=b5.86 [ 144.339142][ T18] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 144.349964][ T18] usb 1-1: config 0 descriptor?? [ 144.421594][ T18] r8712u: register rtl8712_netdev_ops to netdev_ops [ 144.428773][ T18] usb 1-1: r8712u: USB_SPEED_HIGH with 1 endpoints [ 144.554052][ T18] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 144.559515][ C1] ===================================================== [ 144.559540][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 144.559561][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 144.559588][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.559612][ C1] Workqueue: usb_hub_wq hub_event [ 144.559641][ C1] Call Trace: [ 144.559654][ C1] dump_stack+0x21c/0x280 [ 144.559669][ C1] kmsan_report+0xfb/0x1e0 [ 144.559684][ C1] __msan_warning+0x5f/0xa0 [ 144.559698][ C1] string+0x573/0x6d0 [ 144.559712][ C1] vsnprintf+0x1acd/0x3600 [ 144.559727][ C1] pointer+0x1b8a/0x1ca0 [ 144.559742][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.559759][ C1] vsnprintf+0x15f2/0x3600 [ 144.559774][ C1] vprintk_store+0x2ab/0x1df0 [ 144.559793][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.559811][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.559827][ C1] vprintk_emit+0x29a/0x7f0 [ 144.559842][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 144.559857][ C1] dev_printk_emit+0x1ce/0x210 [ 144.559872][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 144.559890][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.559906][ C1] __dev_printk+0x3dc/0x458 [ 144.559921][ C1] _dev_info+0x1e5/0x22a [ 144.559935][ C1] ? usb_read8+0xe7/0x130 [ 144.559950][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 144.559966][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 144.559983][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 144.559998][ C1] ? r871x_dev_unload+0x310/0x310 [ 144.560014][ C1] usb_probe_interface+0xfcc/0x1520 [ 144.560033][ C1] ? usb_register_driver+0x900/0x900 [ 144.560049][ C1] really_probe+0xe15/0x24d0 [ 144.560064][ C1] driver_probe_device+0x29d/0x3a0 [ 144.560080][ C1] __device_attach_driver+0x63f/0x830 [ 144.560096][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 144.560112][ C1] ? deferred_probe_work_func+0x400/0x400 [ 144.560129][ C1] __device_attach+0x56a/0x890 [ 144.560144][ C1] device_initial_probe+0x4a/0x60 [ 144.560160][ C1] bus_probe_device+0x17e/0x3d0 [ 144.560176][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.560193][ C1] device_add+0x2c15/0x31d0 [ 144.560208][ C1] usb_set_configuration+0x3872/0x3eb0 [ 144.560224][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 144.560241][ C1] usb_generic_driver_probe+0x138/0x300 [ 144.560257][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 144.560274][ C1] usb_probe_device+0x317/0x570 [ 144.560290][ C1] ? usb_register_device_driver+0x590/0x590 [ 144.560306][ C1] really_probe+0xe15/0x24d0 [ 144.560321][ C1] driver_probe_device+0x29d/0x3a0 [ 144.560337][ C1] __device_attach_driver+0x63f/0x830 [ 144.560352][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 144.560368][ C1] ? deferred_probe_work_func+0x400/0x400 [ 144.560384][ C1] __device_attach+0x56a/0x890 [ 144.560399][ C1] device_initial_probe+0x4a/0x60 [ 144.560415][ C1] bus_probe_device+0x17e/0x3d0 [ 144.560430][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.560447][ C1] device_add+0x2c15/0x31d0 [ 144.560461][ C1] usb_new_device+0x1bd4/0x2a30 [ 144.560476][ C1] hub_event+0x5b99/0x8870 [ 144.560491][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.560506][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.560522][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.560539][ C1] ? led_work+0x780/0x780 [ 144.560553][ C1] process_one_work+0x1219/0x1fe0 [ 144.560573][ C1] worker_thread+0x12bc/0x2340 [ 144.560589][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.560606][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.560621][ C1] kthread+0x521/0x560 [ 144.560635][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 144.560650][ C1] ? kthread_blkcg+0x110/0x110 [ 144.560665][ C1] ret_from_fork+0x1f/0x30 [ 144.560678][ C1] [ 144.560691][ C1] Local variable ----data@usb_read8 created at: [ 144.560708][ C1] usb_read8+0x5d/0x130 [ 144.560723][ C1] usb_read8+0x5d/0x130 [ 144.560739][ C1] ===================================================== [ 144.560759][ C1] ===================================================== [ 144.560778][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 144.560802][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 144.560828][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.560851][ C1] Workqueue: usb_hub_wq hub_event [ 144.560877][ C1] Call Trace: [ 144.560890][ C1] dump_stack+0x21c/0x280 [ 144.560905][ C1] kmsan_report+0xfb/0x1e0 [ 144.560919][ C1] __msan_warning+0x5f/0xa0 [ 144.560934][ C1] string+0x573/0x6d0 [ 144.560948][ C1] vsnprintf+0x1acd/0x3600 [ 144.560962][ C1] pointer+0x1b8a/0x1ca0 [ 144.560977][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.560994][ C1] vsnprintf+0x15f2/0x3600 [ 144.561008][ C1] vprintk_store+0x2ab/0x1df0 [ 144.561024][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.561041][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.561058][ C1] vprintk_emit+0x29a/0x7f0 [ 144.561077][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 144.561092][ C1] dev_printk_emit+0x1ce/0x210 [ 144.561108][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 144.561125][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.561141][ C1] __dev_printk+0x3dc/0x458 [ 144.561155][ C1] _dev_info+0x1e5/0x22a [ 144.561169][ C1] ? usb_read8+0xe7/0x130 [ 144.561184][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 144.561200][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 144.561216][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 144.561232][ C1] ? r871x_dev_unload+0x310/0x310 [ 144.561248][ C1] usb_probe_interface+0xfcc/0x1520 [ 144.561263][ C1] ? usb_register_driver+0x900/0x900 [ 144.561279][ C1] really_probe+0xe15/0x24d0 [ 144.561294][ C1] driver_probe_device+0x29d/0x3a0 [ 144.561311][ C1] __device_attach_driver+0x63f/0x830 [ 144.561327][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 144.561343][ C1] ? deferred_probe_work_func+0x400/0x400 [ 144.561360][ C1] __device_attach+0x56a/0x890 [ 144.561375][ C1] device_initial_probe+0x4a/0x60 [ 144.561390][ C1] bus_probe_device+0x17e/0x3d0 [ 144.561406][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.561422][ C1] device_add+0x2c15/0x31d0 [ 144.561437][ C1] usb_set_configuration+0x3872/0x3eb0 [ 144.561454][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 144.561470][ C1] usb_generic_driver_probe+0x138/0x300 [ 144.561487][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 144.561503][ C1] usb_probe_device+0x317/0x570 [ 144.561519][ C1] ? usb_register_device_driver+0x590/0x590 [ 144.561535][ C1] really_probe+0xe15/0x24d0 [ 144.561550][ C1] driver_probe_device+0x29d/0x3a0 [ 144.561565][ C1] __device_attach_driver+0x63f/0x830 [ 144.561582][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 144.561597][ C1] ? deferred_probe_work_func+0x400/0x400 [ 144.561614][ C1] __device_attach+0x56a/0x890 [ 144.561629][ C1] device_initial_probe+0x4a/0x60 [ 144.561645][ C1] bus_probe_device+0x17e/0x3d0 [ 144.561660][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.561677][ C1] device_add+0x2c15/0x31d0 [ 144.561691][ C1] usb_new_device+0x1bd4/0x2a30 [ 144.561706][ C1] hub_event+0x5b99/0x8870 [ 144.561721][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.561737][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.561753][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.561769][ C1] ? led_work+0x780/0x780 [ 144.561783][ C1] process_one_work+0x1219/0x1fe0 [ 144.561804][ C1] worker_thread+0x12bc/0x2340 [ 144.561819][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.561836][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.561851][ C1] kthread+0x521/0x560 [ 144.561865][ C1] ? process_one_work+0x1fe0/0x1fe0 [ 144.561880][ C1] ? kthread_blkcg+0x110/0x110 [ 144.561895][ C1] ret_from_fork+0x1f/0x30 [ 144.561908][ C1] [ 144.561926][ C1] Local variable ----data@usb_read8 created at: [ 144.561944][ C1] usb_read8+0x5d/0x130 [ 144.561959][ C1] usb_read8+0x5d/0x130 [ 144.561975][ C1] ===================================================== [ 144.561995][ C1] ===================================================== [ 144.562015][ C1] BUG: KMSAN: uninit-value in string+0x573/0x6d0 [ 144.562036][ C1] CPU: 1 PID: 18 Comm: kworker/1:0 Tainted: G B 5.11.0-rc7-syzkaller #0 [ 144.562061][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.562084][ C1] Workqueue: usb_hub_wq hub_event [ 144.562110][ C1] Call Trace: [ 144.562123][ C1] dump_stack+0x21c/0x280 [ 144.562137][ C1] kmsan_report+0xfb/0x1e0 [ 144.562151][ C1] __msan_warning+0x5f/0xa0 [ 144.562166][ C1] string+0x573/0x6d0 [ 144.562179][ C1] vsnprintf+0x1acd/0x3600 [ 144.562194][ C1] pointer+0x1b8a/0x1ca0 [ 144.562208][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.562225][ C1] vsnprintf+0x15f2/0x3600 [ 144.562239][ C1] vprintk_store+0x2ab/0x1df0 [ 144.562255][ C1] ? kmsan_internal_set_origin+0x85/0xc0 [ 144.562272][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.562292][ C1] vprintk_emit+0x29a/0x7f0 [ 144.562307][ C1] dev_vprintk_emit+0x5f7/0x6d8 [ 144.562321][ C1] dev_printk_emit+0x1ce/0x210 [ 144.562337][ C1] ? r8712_usbctrl_vendorreq+0x4a8/0x4d0 [ 144.562354][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.562371][ C1] __dev_printk+0x3dc/0x458 [ 144.562385][ C1] _dev_info+0x1e5/0x22a [ 144.562399][ C1] ? usb_read8+0xe7/0x130 [ 144.562414][ C1] ? r871xu_drv_init+0x1986/0x2fe0 [ 144.562430][ C1] ? r8712_usb_set_intf_ops+0x240/0x240 [ 144.562447][ C1] r871xu_drv_init+0x1a59/0x2fe0 [ 144.562462][ C1] ? r871x_dev_unload+0x310/0x310 [ 144.562477][ C1] usb_probe_interface+0xfcc/0x1520 [ 144.562493][ C1] ? usb_register_driver+0x900/0x900 [ 144.562509][ C1] really_probe+0xe15/0x24d0 [ 144.562524][ C1] driver_probe_device+0x29d/0x3a0 [ 144.562540][ C1] __device_attach_driver+0x63f/0x830 [ 144.562556][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 144.562571][ C1] ? deferred_probe_work_func+0x400/0x400 [ 144.562587][ C1] __device_attach+0x56a/0x890 [ 144.562603][ C1] device_initial_probe+0x4a/0x60 [ 144.562618][ C1] bus_probe_device+0x17e/0x3d0 [ 144.562634][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.562650][ C1] device_add+0x2c15/0x31d0 [ 144.562665][ C1] usb_set_configuration+0x3872/0x3eb0 [ 144.562681][ C1] ? usb_set_configuration+0xa61/0x3eb0 [ 144.562698][ C1] usb_generic_driver_probe+0x138/0x300 [ 144.562718][ C1] ? usb_choose_configuration+0xee0/0xee0 [ 144.562734][ C1] usb_probe_device+0x317/0x570 [ 144.562750][ C1] ? usb_register_device_driver+0x590/0x590 [ 144.562766][ C1] really_probe+0xe15/0x24d0 [ 144.562781][ C1] driver_probe_device+0x29d/0x3a0 [ 144.562801][ C1] __device_attach_driver+0x63f/0x830 [ 144.562817][ C1] bus_for_each_drv+0x2c8/0x3f0 [ 144.562832][ C1] ? deferred_probe_work_func+0x400/0x400 [ 144.562848][ C1] __device_attach+0x56a/0x890 [ 144.562863][ C1] device_initial_probe+0x4a/0x60 [ 144.562878][ C1] bus_probe_device+0x17e/0x3d0 [ 144.562894][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.562910][ C1] device_add+0x2c15/0x31d0 [ 144.562925][ C1] usb_new_device+0x1bd4/0x2a30 [ 144.562940][ C1] hub_event+0x5b99/0x8870 [ 144.562955][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.562971][ C1] ? kmsan_get_metadata+0x116/0x180 [ 144.562987][ C1] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 144.563004][ C1] ? led_work+0x780/0x780 [ 144.563019][ C1] process_one_work+0x1219/0x1fe0 [ 144.563034][ C1] worker_thread+0x12bc/0x2340