Warning: Permanently added '10.128.1.123' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 95.012412][ T20] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 95.133619][ T124] cfg80211: failed to load regulatory.db [ 95.272463][ T20] usb 1-1: Using ep0 maxpacket: 16 [ 95.402583][ T20] usb 1-1: config 6 has an invalid interface number: 189 but max is 0 [ 95.410929][ T20] usb 1-1: config 6 has no interface number 0 [ 95.417286][ T20] usb 1-1: config 6 interface 189 altsetting 0 endpoint 0x8C has invalid maxpacket 1024, setting to 64 [ 95.428573][ T20] usb 1-1: config 6 interface 189 altsetting 0 endpoint 0xF has invalid maxpacket 1023, setting to 64 [ 95.439954][ T20] usb 1-1: config 6 interface 189 altsetting 0 has an invalid endpoint with address 0x72, skipping [ 95.450967][ T20] usb 1-1: config 6 interface 189 altsetting 0 has a duplicate endpoint with address 0xF, skipping [ 95.461936][ T20] usb 1-1: config 6 interface 189 altsetting 0 has a duplicate endpoint with address 0xC, skipping [ 95.472962][ T20] usb 1-1: config 6 interface 189 altsetting 0 has a duplicate endpoint with address 0xC, skipping [ 95.483903][ T20] usb 1-1: config 6 interface 189 altsetting 0 endpoint 0x6 has an invalid bInterval 0, changing to 7 [ 95.495217][ T20] usb 1-1: config 6 interface 189 altsetting 0 bulk endpoint 0xE has invalid maxpacket 8 [ 95.505219][ T20] usb 1-1: config 6 interface 189 altsetting 0 has a duplicate endpoint with address 0x6, skipping [ 95.672884][ T20] usb 1-1: New USB device found, idVendor=0bda, idProduct=8713, bcdDevice=72.c6 [ 95.682043][ T20] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 95.690239][ T20] usb 1-1: Product: syz [ 95.694630][ T20] usb 1-1: Manufacturer: syz [ 95.699336][ T20] usb 1-1: SerialNumber: syz [ 95.748711][ T20] r8712u: register rtl8712_netdev_ops to netdev_ops [ 95.755466][ T20] usb 1-1: r8712u: USB_SPEED_HIGH with 7 endpoints executing program [ 95.992765][ T20] ===================================================== [ 95.999794][ T20] BUG: KMSAN: uninit-value in string+0x4ec/0x6f0 [ 96.006144][ T20] string+0x4ec/0x6f0 [ 96.010164][ T20] vsnprintf+0x2222/0x3650 [ 96.014593][ T20] pointer+0x18e6/0x1f70 [ 96.018857][ T20] vsnprintf+0x1a9b/0x3650 [ 96.023296][ T20] vprintk_store+0x537/0x2150 [ 96.027997][ T20] vprintk_emit+0x28b/0xab0 [ 96.032527][ T20] dev_vprintk_emit+0x5ef/0x6d0 [ 96.037419][ T20] dev_printk_emit+0x1dd/0x21f [ 96.042210][ T20] __dev_printk+0x3be/0x440 [ 96.046833][ T20] _dev_info+0x1ea/0x22f [ 96.051096][ T20] r871xu_drv_init+0x1929/0x3070 [ 96.056140][ T20] usb_probe_interface+0xf19/0x1600 [ 96.061370][ T20] really_probe+0x6c7/0x1350 [ 96.065988][ T20] __driver_probe_device+0x3e9/0x530 [ 96.071304][ T20] __device_attach_driver+0x79f/0x1120 [ 96.076789][ T20] bus_for_each_drv+0x2d6/0x3f0 [ 96.081659][ T20] __device_attach+0x593/0x8e0 [ 96.086463][ T20] device_initial_probe+0x4a/0x60 [ 96.091547][ T20] bus_probe_device+0x17b/0x3e0 [ 96.096422][ T20] device_add+0x1fff/0x26e0 [ 96.100947][ T20] usb_set_configuration+0x37e9/0x3ed0 [ 96.106441][ T20] usb_generic_driver_probe+0x13c/0x300 [ 96.112025][ T20] usb_probe_device+0x309/0x570 [ 96.116907][ T20] really_probe+0x6c7/0x1350 [ 96.121524][ T20] __driver_probe_device+0x3e9/0x530 [ 96.126833][ T20] __device_attach_driver+0x79f/0x1120 [ 96.132323][ T20] bus_for_each_drv+0x2d6/0x3f0 [ 96.137214][ T20] __device_attach+0x593/0x8e0 [ 96.142006][ T20] device_initial_probe+0x4a/0x60 [ 96.147176][ T20] bus_probe_device+0x17b/0x3e0 [ 96.152054][ T20] device_add+0x1fff/0x26e0 [ 96.156573][ T20] usb_new_device+0x1b91/0x2950 [ 96.161446][ T20] hub_event+0x58e3/0x89e0 [ 96.165872][ T20] process_one_work+0xdb6/0x1820 [ 96.170823][ T20] worker_thread+0x10d0/0x2240 [ 96.175615][ T20] kthread+0x3c7/0x500 [ 96.179708][ T20] ret_from_fork+0x1f/0x30 [ 96.184140][ T20] [ 96.186456][ T20] Local variable data created at: [ 96.191478][ T20] usb_read8+0x5d/0x130 [ 96.195656][ T20] r8712_read8+0xa5/0xd0 [ 96.199911][ T20] [ 96.202243][ T20] CPU: 1 PID: 20 Comm: kworker/1:0 Not tainted 5.18.0-rc4-syzkaller #0 [ 96.210517][ T20] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.220605][ T20] Workqueue: usb_hub_wq hub_event [ 96.225649][ T20] ===================================================== [ 96.232568][ T20] Disabling lock debugging due to kernel taint [ 96.238712][ T20] Kernel panic - not syncing: kmsan.panic set ... [ 96.245123][ T20] CPU: 1 PID: 20 Comm: kworker/1:0 Tainted: G B 5.18.0-rc4-syzkaller #0 [ 96.254778][ T20] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.264841][ T20] Workqueue: usb_hub_wq hub_event [ 96.269887][ T20] Call Trace: [ 96.273164][ T20] [ 96.276093][ T20] dump_stack_lvl+0x1ff/0x28e [ 96.280799][ T20] dump_stack+0x25/0x28 [ 96.284974][ T20] panic+0x4fe/0xc73 [ 96.288911][ T20] ? add_taint+0x181/0x210 [ 96.293351][ T20] ? console_unlock+0x1c00/0x2130 [ 96.298405][ T20] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 96.304256][ T20] kmsan_report+0x2e6/0x2f0 [ 96.308800][ T20] ? __msan_warning+0x94/0x110 [ 96.313604][ T20] ? string+0x4ec/0x6f0 [ 96.317792][ T20] ? vsnprintf+0x2222/0x3650 [ 96.322482][ T20] ? pointer+0x18e6/0x1f70 [ 96.326934][ T20] ? vsnprintf+0x1a9b/0x3650 [ 96.331541][ T20] ? vprintk_store+0x537/0x2150 [ 96.336412][ T20] ? vprintk_emit+0x28b/0xab0 [ 96.341371][ T20] ? dev_vprintk_emit+0x5ef/0x6d0 [ 96.346420][ T20] ? dev_printk_emit+0x1dd/0x21f [ 96.351397][ T20] ? __dev_printk+0x3be/0x440 [ 96.356111][ T20] ? _dev_info+0x1ea/0x22f [ 96.360548][ T20] ? r871xu_drv_init+0x1929/0x3070 [ 96.365685][ T20] ? usb_probe_interface+0xf19/0x1600 [ 96.371081][ T20] ? really_probe+0x6c7/0x1350 [ 96.375893][ T20] ? __driver_probe_device+0x3e9/0x530 [ 96.381399][ T20] ? __device_attach_driver+0x79f/0x1120 [ 96.387056][ T20] ? bus_for_each_drv+0x2d6/0x3f0 [ 96.392104][ T20] ? __device_attach+0x593/0x8e0 [ 96.397079][ T20] ? device_initial_probe+0x4a/0x60 [ 96.402326][ T20] ? bus_probe_device+0x17b/0x3e0 [ 96.407376][ T20] ? device_add+0x1fff/0x26e0 [ 96.412064][ T20] ? usb_set_configuration+0x37e9/0x3ed0 [ 96.417724][ T20] ? usb_generic_driver_probe+0x13c/0x300 [ 96.423469][ T20] ? usb_probe_device+0x309/0x570 [ 96.428522][ T20] ? really_probe+0x6c7/0x1350 [ 96.433305][ T20] ? __driver_probe_device+0x3e9/0x530 [ 96.438785][ T20] ? __device_attach_driver+0x79f/0x1120 [ 96.444439][ T20] ? bus_for_each_drv+0x2d6/0x3f0 [ 96.449487][ T20] ? __device_attach+0x593/0x8e0 [ 96.454455][ T20] ? device_initial_probe+0x4a/0x60 [ 96.459682][ T20] ? bus_probe_device+0x17b/0x3e0 [ 96.464724][ T20] ? device_add+0x1fff/0x26e0 [ 96.469413][ T20] ? usb_new_device+0x1b91/0x2950 [ 96.474460][ T20] ? hub_event+0x58e3/0x89e0 [ 96.479064][ T20] ? process_one_work+0xdb6/0x1820 [ 96.484188][ T20] ? worker_thread+0x10d0/0x2240 [ 96.489137][ T20] ? kthread+0x3c7/0x500 [ 96.493395][ T20] ? ret_from_fork+0x1f/0x30 [ 96.498096][ T20] ? __stack_depot_save+0x21/0x4b0 [ 96.503246][ T20] ? kmsan_get_metadata+0x33/0x220 [ 96.508371][ T20] ? kmsan_internal_set_shadow_origin+0x62/0xe0 [ 96.514647][ T20] ? kmsan_get_metadata+0x33/0x220 [ 96.519790][ T20] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 96.525616][ T20] __msan_warning+0x94/0x110 [ 96.530234][ T20] string+0x4ec/0x6f0 [ 96.534237][ T20] vsnprintf+0x2222/0x3650 [ 96.538685][ T20] pointer+0x18e6/0x1f70 [ 96.542954][ T20] ? kmsan_get_metadata+0x33/0x220 [ 96.548087][ T20] vsnprintf+0x1a9b/0x3650 [ 96.552544][ T20] vprintk_store+0x537/0x2150 [ 96.557293][ T20] ? vsnprintf+0x355b/0x3650 [ 96.561912][ T20] ? snprintf+0x24a/0x290 [ 96.566252][ T20] ? kmsan_get_metadata+0x33/0x220 [ 96.571390][ T20] vprintk_emit+0x28b/0xab0 [ 96.575926][ T20] dev_vprintk_emit+0x5ef/0x6d0 [ 96.580819][ T20] dev_printk_emit+0x1dd/0x21f [ 96.585629][ T20] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 96.591466][ T20] __dev_printk+0x3be/0x440 [ 96.595999][ T20] _dev_info+0x1ea/0x22f [ 96.600286][ T20] ? usb_read8+0xe7/0x130 [ 96.604628][ T20] ? r871xu_drv_init+0x185e/0x3070 [ 96.609759][ T20] ? r8712_read8+0xa5/0xd0 [ 96.614196][ T20] r871xu_drv_init+0x1929/0x3070 [ 96.619153][ T20] ? __pm_runtime_set_status+0x1aed/0x1e40 [ 96.624998][ T20] ? kmsan_get_metadata+0x33/0x220 [ 96.630125][ T20] ? r871x_dev_unload+0x310/0x310 [ 96.635167][ T20] ? r871x_dev_unload+0x310/0x310 [ 96.640208][ T20] usb_probe_interface+0xf19/0x1600 [ 96.645434][ T20] ? kmsan_get_metadata+0x33/0x220 [ 96.650563][ T20] ? usb_register_driver+0x900/0x900 [ 96.655871][ T20] really_probe+0x6c7/0x1350 [ 96.660522][ T20] __driver_probe_device+0x3e9/0x530 [ 96.665853][ T20] __device_attach_driver+0x79f/0x1120 [ 96.671363][ T20] bus_for_each_drv+0x2d6/0x3f0 [ 96.676234][ T20] ? deferred_probe_work_func+0x4c0/0x4c0 [ 96.681987][ T20] __device_attach+0x593/0x8e0 [ 96.686777][ T20] ? btf_enum_check_meta+0xb51/0x1b50 [ 96.692164][ T20] device_initial_probe+0x4a/0x60 [ 96.697238][ T20] bus_probe_device+0x17b/0x3e0 [ 96.702122][ T20] device_add+0x1fff/0x26e0 [ 96.706654][ T20] usb_set_configuration+0x37e9/0x3ed0 [ 96.712135][ T20] ? usb_set_configuration+0xb11/0x3ed0 [ 96.717739][ T20] usb_generic_driver_probe+0x13c/0x300 [ 96.723300][ T20] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 96.729131][ T20] ? usb_choose_configuration+0xf90/0xf90 [ 96.734874][ T20] usb_probe_device+0x309/0x570 [ 96.739766][ T20] ? kmsan_get_metadata+0x33/0x220 [ 96.744892][ T20] ? usb_register_device_driver+0x580/0x580 [ 96.750809][ T20] really_probe+0x6c7/0x1350 [ 96.755446][ T20] __driver_probe_device+0x3e9/0x530 [ 96.761216][ T20] __device_attach_driver+0x79f/0x1120 [ 96.766707][ T20] bus_for_each_drv+0x2d6/0x3f0 [ 96.771677][ T20] ? deferred_probe_work_func+0x4c0/0x4c0 [ 96.777440][ T20] __device_attach+0x593/0x8e0 [ 96.782237][ T20] ? btf_enum_check_meta+0xb51/0x1b50 [ 96.788077][ T20] device_initial_probe+0x4a/0x60 [ 96.793129][ T20] bus_probe_device+0x17b/0x3e0 [ 96.798005][ T20] device_add+0x1fff/0x26e0 [ 96.802530][ T20] usb_new_device+0x1b91/0x2950 [ 96.807431][ T20] hub_event+0x58e3/0x89e0 [ 96.811904][ T20] ? kmsan_get_metadata+0x33/0x220 [ 96.817031][ T20] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 96.822883][ T20] ? led_work+0x7b0/0x7b0 [ 96.827229][ T20] process_one_work+0xdb6/0x1820 [ 96.832200][ T20] worker_thread+0x10d0/0x2240 [ 96.837018][ T20] kthread+0x3c7/0x500 [ 96.841122][ T20] ? worker_clr_flags+0x3a0/0x3a0 [ 96.846169][ T20] ? kthread_blkcg+0x120/0x120 [ 96.850972][ T20] ret_from_fork+0x1f/0x30 [ 96.855440][ T20] [ 96.858536][ T20] Kernel Offset: disabled [ 96.862866][ T20] Rebooting in 86400 seconds..