forked to background, child pid 3056 no interfaces have a carrier [ 66.619386][ T3057] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.653319][ T3057] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.20' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 93.852112][ T1534] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 94.102649][ T1534] usb 1-1: Using ep0 maxpacket: 16 [ 94.232587][ T1534] usb 1-1: config 0 has an invalid interface number: 239 but max is 0 [ 94.240948][ T1534] usb 1-1: config 0 has no interface number 0 [ 94.247294][ T1534] usb 1-1: config 0 interface 239 altsetting 0 endpoint 0xF has invalid maxpacket 1023, setting to 64 [ 94.258379][ T1534] usb 1-1: config 0 interface 239 altsetting 0 has an invalid endpoint with address 0x1B, skipping [ 94.269569][ T1534] usb 1-1: config 0 interface 239 altsetting 0 endpoint 0xA has invalid maxpacket 1024, setting to 64 [ 94.432545][ T1534] usb 1-1: New USB device found, idVendor=0df6, idProduct=0059, bcdDevice=6a.a8 [ 94.441690][ T1534] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 94.450013][ T1534] usb 1-1: Product: syz [ 94.454419][ T1534] usb 1-1: Manufacturer: syz [ 94.459066][ T1534] usb 1-1: SerialNumber: syz [ 94.467161][ T1534] usb 1-1: config 0 descriptor?? [ 94.518679][ T1534] r8712u: register rtl8712_netdev_ops to netdev_ops [ 94.525423][ T1534] usb 1-1: r8712u: USB_SPEED_HIGH with 4 endpoints executing program [ 94.762298][ T1534] ===================================================== [ 94.769335][ T1534] BUG: KMSAN: uninit-value in string+0x4ec/0x6f0 [ 94.775684][ T1534] string+0x4ec/0x6f0 [ 94.779680][ T1534] vsnprintf+0x2222/0x3650 [ 94.784107][ T1534] pointer+0x1844/0x2060 [ 94.788356][ T1534] vsnprintf+0x1a9b/0x3650 [ 94.792780][ T1534] vprintk_store+0x537/0x2150 [ 94.797480][ T1534] vprintk_emit+0x25c/0x950 [ 94.801999][ T1534] dev_vprintk_emit+0x5ef/0x6d0 [ 94.806888][ T1534] dev_printk_emit+0x1dd/0x21f [ 94.811664][ T1534] __dev_printk+0x3be/0x440 [ 94.816318][ T1534] _dev_info+0x1ea/0x22f [ 94.820584][ T1534] r871xu_drv_init+0x1929/0x30a0 [ 94.825537][ T1534] usb_probe_interface+0xf19/0x1600 [ 94.830850][ T1534] really_probe+0x67d/0x1510 [ 94.835473][ T1534] __driver_probe_device+0x3e9/0x530 [ 94.840787][ T1534] __device_attach_driver+0x79f/0x1120 [ 94.846281][ T1534] bus_for_each_drv+0x2d6/0x3f0 [ 94.851156][ T1534] __device_attach+0x593/0x8e0 [ 94.855937][ T1534] device_initial_probe+0x4a/0x60 [ 94.861029][ T1534] bus_probe_device+0x17b/0x3e0 [ 94.865915][ T1534] device_add+0x1d3e/0x2400 [ 94.870437][ T1534] usb_set_configuration+0x37e9/0x3ed0 [ 94.875934][ T1534] usb_generic_driver_probe+0x13c/0x300 [ 94.881504][ T1534] usb_probe_device+0x309/0x570 [ 94.886522][ T1534] really_probe+0x67d/0x1510 [ 94.891154][ T1534] __driver_probe_device+0x3e9/0x530 [ 94.896551][ T1534] __device_attach_driver+0x79f/0x1120 [ 94.902042][ T1534] bus_for_each_drv+0x2d6/0x3f0 [ 94.907094][ T1534] __device_attach+0x593/0x8e0 [ 94.911888][ T1534] device_initial_probe+0x4a/0x60 [ 94.916963][ T1534] bus_probe_device+0x17b/0x3e0 [ 94.922877][ T1534] device_add+0x1d3e/0x2400 [ 94.927555][ T1534] usb_new_device+0x1b8e/0x2950 [ 94.932429][ T1534] hub_event+0x5ad2/0x8910 [ 94.936856][ T1534] process_one_work+0xdb9/0x1820 [ 94.941880][ T1534] worker_thread+0x10bc/0x21f0 [ 94.946686][ T1534] kthread+0x721/0x850 [ 94.950775][ T1534] ret_from_fork+0x1f/0x30 [ 94.955210][ T1534] [ 94.957530][ T1534] Local variable data created at: [ 94.962547][ T1534] usb_read8+0x5d/0x130 [ 94.966714][ T1534] r8712_read8+0xa5/0xd0 [ 94.970964][ T1534] [ 94.973276][ T1534] CPU: 0 PID: 1534 Comm: kworker/0:2 Not tainted 5.16.0-rc5-syzkaller #0 [ 94.981700][ T1534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.991767][ T1534] Workqueue: usb_hub_wq hub_event [ 94.996815][ T1534] ===================================================== [ 95.003739][ T1534] Disabling lock debugging due to kernel taint [ 95.009879][ T1534] Kernel panic - not syncing: kmsan.panic set ... [ 95.016290][ T1534] CPU: 0 PID: 1534 Comm: kworker/0:2 Tainted: G B 5.16.0-rc5-syzkaller #0 [ 95.026103][ T1534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.036164][ T1534] Workqueue: usb_hub_wq hub_event [ 95.041206][ T1534] Call Trace: [ 95.044481][ T1534] [ 95.047411][ T1534] dump_stack_lvl+0x1ff/0x28e [ 95.052114][ T1534] dump_stack+0x25/0x28 [ 95.056286][ T1534] panic+0x487/0xe1f [ 95.060214][ T1534] ? add_taint+0x181/0x210 [ 95.064649][ T1534] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 95.070487][ T1534] kmsan_report+0x2e6/0x2f0 [ 95.075024][ T1534] ? __msan_warning+0xb8/0x130 [ 95.079804][ T1534] ? string+0x4ec/0x6f0 [ 95.083972][ T1534] ? vsnprintf+0x2222/0x3650 [ 95.088578][ T1534] ? pointer+0x1844/0x2060 [ 95.093023][ T1534] ? vsnprintf+0x1a9b/0x3650 [ 95.097627][ T1534] ? vprintk_store+0x537/0x2150 [ 95.102496][ T1534] ? vprintk_emit+0x25c/0x950 [ 95.107198][ T1534] ? dev_vprintk_emit+0x5ef/0x6d0 [ 95.112241][ T1534] ? dev_printk_emit+0x1dd/0x21f [ 95.117208][ T1534] ? __dev_printk+0x3be/0x440 [ 95.121905][ T1534] ? _dev_info+0x1ea/0x22f [ 95.126350][ T1534] ? r871xu_drv_init+0x1929/0x30a0 [ 95.131479][ T1534] ? usb_probe_interface+0xf19/0x1600 [ 95.136881][ T1534] ? really_probe+0x67d/0x1510 [ 95.141670][ T1534] ? __driver_probe_device+0x3e9/0x530 [ 95.143725][ T115] cfg80211: failed to load regulatory.db [ 95.147154][ T1534] ? __device_attach_driver+0x79f/0x1120 [ 95.158441][ T1534] ? bus_for_each_drv+0x2d6/0x3f0 [ 95.163533][ T1534] ? __device_attach+0x593/0x8e0 [ 95.168533][ T1534] ? device_initial_probe+0x4a/0x60 [ 95.173802][ T1534] ? bus_probe_device+0x17b/0x3e0 [ 95.178875][ T1534] ? device_add+0x1d3e/0x2400 [ 95.183594][ T1534] ? usb_set_configuration+0x37e9/0x3ed0 [ 95.189280][ T1534] ? usb_generic_driver_probe+0x13c/0x300 [ 95.195051][ T1534] ? usb_probe_device+0x309/0x570 [ 95.200106][ T1534] ? really_probe+0x67d/0x1510 [ 95.204897][ T1534] ? __driver_probe_device+0x3e9/0x530 [ 95.210381][ T1534] ? __device_attach_driver+0x79f/0x1120 [ 95.216038][ T1534] ? bus_for_each_drv+0x2d6/0x3f0 [ 95.221083][ T1534] ? __device_attach+0x593/0x8e0 [ 95.226045][ T1534] ? device_initial_probe+0x4a/0x60 [ 95.231273][ T1534] ? bus_probe_device+0x17b/0x3e0 [ 95.236325][ T1534] ? device_add+0x1d3e/0x2400 [ 95.241027][ T1534] ? usb_new_device+0x1b8e/0x2950 [ 95.246067][ T1534] ? hub_event+0x5ad2/0x8910 [ 95.250677][ T1534] ? process_one_work+0xdb9/0x1820 [ 95.255829][ T1534] ? worker_thread+0x10bc/0x21f0 [ 95.260793][ T1534] ? kthread+0x721/0x850 [ 95.265051][ T1534] ? ret_from_fork+0x1f/0x30 [ 95.269665][ T1534] ? kmsan_get_metadata+0x33/0x220 [ 95.274800][ T1534] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 95.281069][ T1534] ? kmsan_get_metadata+0x33/0x220 [ 95.286198][ T1534] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 95.292034][ T1534] __msan_warning+0xb8/0x130 [ 95.296662][ T1534] string+0x4ec/0x6f0 [ 95.300665][ T1534] vsnprintf+0x2222/0x3650 [ 95.305120][ T1534] pointer+0x1844/0x2060 [ 95.310012][ T1534] ? kmsan_get_metadata+0x33/0x220 [ 95.315158][ T1534] vsnprintf+0x1a9b/0x3650 [ 95.319612][ T1534] vprintk_store+0x537/0x2150 [ 95.324320][ T1534] ? vsnprintf+0x355b/0x3650 [ 95.328953][ T1534] ? snprintf+0x24a/0x290 [ 95.333317][ T1534] vprintk_emit+0x25c/0x950 [ 95.337864][ T1534] dev_vprintk_emit+0x5ef/0x6d0 [ 95.342784][ T1534] dev_printk_emit+0x1dd/0x21f [ 95.347586][ T1534] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 95.353436][ T1534] __dev_printk+0x3be/0x440 [ 95.357971][ T1534] _dev_info+0x1ea/0x22f [ 95.362240][ T1534] ? usb_read8+0xe7/0x130 [ 95.366581][ T1534] ? r871xu_drv_init+0x185e/0x30a0 [ 95.371710][ T1534] ? r8712_read8+0xa5/0xd0 [ 95.376143][ T1534] r871xu_drv_init+0x1929/0x30a0 [ 95.381097][ T1534] ? __pm_runtime_set_status+0x1ac6/0x1e20 [ 95.386937][ T1534] ? kmsan_get_metadata+0x33/0x220 [ 95.392189][ T1534] ? r871x_dev_unload+0x310/0x310 [ 95.397261][ T1534] ? r871x_dev_unload+0x310/0x310 [ 95.402307][ T1534] usb_probe_interface+0xf19/0x1600 [ 95.407544][ T1534] ? kmsan_get_metadata+0x33/0x220 [ 95.412693][ T1534] ? usb_register_driver+0x900/0x900 [ 95.418005][ T1534] really_probe+0x67d/0x1510 [ 95.422633][ T1534] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 95.428741][ T1534] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 95.434693][ T1534] __driver_probe_device+0x3e9/0x530 [ 95.440020][ T1534] __device_attach_driver+0x79f/0x1120 [ 95.445523][ T1534] bus_for_each_drv+0x2d6/0x3f0 [ 95.450401][ T1534] ? deferred_probe_work_func+0x4c0/0x4c0 [ 95.456163][ T1534] __device_attach+0x593/0x8e0 [ 95.460957][ T1534] ? cgroup_bpf_attach+0xe1/0x2640 [ 95.466090][ T1534] device_initial_probe+0x4a/0x60 [ 95.471143][ T1534] bus_probe_device+0x17b/0x3e0 [ 95.476023][ T1534] device_add+0x1d3e/0x2400 [ 95.480557][ T1534] usb_set_configuration+0x37e9/0x3ed0 [ 95.486044][ T1534] ? usb_set_configuration+0xb51/0x3ed0 [ 95.491636][ T1534] usb_generic_driver_probe+0x13c/0x300 [ 95.497205][ T1534] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 95.503042][ T1534] ? usb_choose_configuration+0xf90/0xf90 [ 95.508783][ T1534] usb_probe_device+0x309/0x570 [ 95.513657][ T1534] ? kmsan_get_metadata+0x33/0x220 [ 95.518791][ T1534] ? usb_register_device_driver+0x580/0x580 [ 95.524710][ T1534] really_probe+0x67d/0x1510 [ 95.529326][ T1534] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 95.535420][ T1534] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 95.541255][ T1534] __driver_probe_device+0x3e9/0x530 [ 95.546576][ T1534] __device_attach_driver+0x79f/0x1120 [ 95.552081][ T1534] bus_for_each_drv+0x2d6/0x3f0 [ 95.556972][ T1534] ? deferred_probe_work_func+0x4c0/0x4c0 [ 95.562727][ T1534] __device_attach+0x593/0x8e0 [ 95.567520][ T1534] ? cgroup_bpf_attach+0xe1/0x2640 [ 95.572648][ T1534] device_initial_probe+0x4a/0x60 [ 95.577698][ T1534] bus_probe_device+0x17b/0x3e0 [ 95.582576][ T1534] device_add+0x1d3e/0x2400 [ 95.587106][ T1534] usb_new_device+0x1b8e/0x2950 [ 95.591987][ T1534] hub_event+0x5ad2/0x8910 [ 95.596470][ T1534] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 95.602302][ T1534] ? led_work+0x7b0/0x7b0 [ 95.606991][ T1534] ? led_work+0x7b0/0x7b0 [ 95.611331][ T1534] process_one_work+0xdb9/0x1820 [ 95.616310][ T1534] worker_thread+0x10bc/0x21f0 [ 95.621119][ T1534] kthread+0x721/0x850 [ 95.625204][ T1534] ? worker_clr_flags+0x370/0x370 [ 95.630255][ T1534] ? kthread_blkcg+0x120/0x120 [ 95.635038][ T1534] ret_from_fork+0x1f/0x30 [ 95.639485][ T1534] [ 95.642758][ T1534] Kernel Offset: disabled [ 95.647084][ T1534] Rebooting in 86400 seconds..