forked to background, child pid 3057 no interfaces have a carrier [ 66.879384][ T3058] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.928990][ T3058] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.71' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 94.081934][ T115] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 94.321953][ T115] usb 1-1: Using ep0 maxpacket: 8 [ 94.442261][ T115] usb 1-1: config 0 has an invalid interface number: 24 but max is 0 [ 94.450698][ T115] usb 1-1: config 0 contains an unexpected descriptor of type 0x1, skipping [ 94.459841][ T115] usb 1-1: config 0 has no interface number 0 [ 94.466117][ T115] usb 1-1: config 0 interface 24 altsetting 0 endpoint 0xB has invalid maxpacket 1024, setting to 64 [ 94.477234][ T115] usb 1-1: config 0 interface 24 altsetting 0 endpoint 0x6 has invalid maxpacket 1023, setting to 64 [ 94.488302][ T115] usb 1-1: config 0 interface 24 altsetting 0 has a duplicate endpoint with address 0x9, skipping [ 94.499071][ T115] usb 1-1: config 0 interface 24 altsetting 0 has a duplicate endpoint with address 0x7, skipping [ 94.509982][ T115] usb 1-1: New USB device found, idVendor=2019, idProduct=ab28, bcdDevice=a7.b7 [ 94.519180][ T115] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 94.530319][ T115] usb 1-1: config 0 descriptor?? [ 94.578535][ T115] r8712u: register rtl8712_netdev_ops to netdev_ops [ 94.585298][ T115] usb 1-1: r8712u: USB_SPEED_HIGH with 6 endpoints executing program [ 94.812267][ T115] ===================================================== [ 94.819299][ T115] BUG: KMSAN: uninit-value in string+0x4ec/0x6f0 [ 94.825653][ T115] string+0x4ec/0x6f0 [ 94.829661][ T115] vsnprintf+0x2222/0x3650 [ 94.834093][ T115] pointer+0x1844/0x2060 [ 94.838353][ T115] vsnprintf+0x1a9b/0x3650 [ 94.842799][ T115] vprintk_store+0x537/0x2150 [ 94.847502][ T115] vprintk_emit+0x25c/0x950 [ 94.852023][ T115] dev_vprintk_emit+0x5ef/0x6d0 [ 94.856892][ T115] dev_printk_emit+0x1dd/0x21f [ 94.861676][ T115] __dev_printk+0x3be/0x440 [ 94.866219][ T115] _dev_info+0x1ea/0x22f [ 94.870474][ T115] r871xu_drv_init+0x1929/0x30a0 [ 94.875427][ T115] usb_probe_interface+0xf19/0x1600 [ 94.880659][ T115] really_probe+0x67d/0x1510 [ 94.885277][ T115] __driver_probe_device+0x3e9/0x530 [ 94.890599][ T115] __device_attach_driver+0x79f/0x1120 [ 94.896092][ T115] bus_for_each_drv+0x2d6/0x3f0 [ 94.900976][ T115] __device_attach+0x593/0x8e0 [ 94.905769][ T115] device_initial_probe+0x4a/0x60 [ 94.910824][ T115] bus_probe_device+0x17b/0x3e0 [ 94.915698][ T115] device_add+0x1d3e/0x2400 [ 94.920221][ T115] usb_set_configuration+0x37e9/0x3ed0 [ 94.925710][ T115] usb_generic_driver_probe+0x13c/0x300 [ 94.931287][ T115] usb_probe_device+0x309/0x570 [ 94.936175][ T115] really_probe+0x67d/0x1510 [ 94.940884][ T115] __driver_probe_device+0x3e9/0x530 [ 94.946200][ T115] __device_attach_driver+0x79f/0x1120 [ 94.951697][ T115] bus_for_each_drv+0x2d6/0x3f0 [ 94.956595][ T115] __device_attach+0x593/0x8e0 [ 94.961403][ T115] device_initial_probe+0x4a/0x60 [ 94.966475][ T115] bus_probe_device+0x17b/0x3e0 [ 94.971794][ T115] device_add+0x1d3e/0x2400 [ 94.976547][ T115] usb_new_device+0x1b8e/0x2950 [ 94.981417][ T115] hub_event+0x5ad2/0x8910 [ 94.985973][ T115] process_one_work+0xdb9/0x1820 [ 94.990944][ T115] worker_thread+0x10bc/0x21f0 [ 94.995740][ T115] kthread+0x721/0x850 [ 94.999833][ T115] ret_from_fork+0x1f/0x30 [ 95.004277][ T115] [ 95.006613][ T115] Local variable data created at: [ 95.011642][ T115] usb_read8+0x5d/0x130 [ 95.015824][ T115] r8712_read8+0xa5/0xd0 [ 95.020349][ T115] [ 95.022669][ T115] CPU: 1 PID: 115 Comm: kworker/1:2 Not tainted 5.16.0-rc5-syzkaller #0 [ 95.031119][ T115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.041269][ T115] Workqueue: usb_hub_wq hub_event [ 95.046320][ T115] ===================================================== [ 95.053245][ T115] Disabling lock debugging due to kernel taint [ 95.059403][ T115] Kernel panic - not syncing: kmsan.panic set ... [ 95.066084][ T115] CPU: 1 PID: 115 Comm: kworker/1:2 Tainted: G B 5.16.0-rc5-syzkaller #0 [ 95.075932][ T115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.086027][ T115] Workqueue: usb_hub_wq hub_event [ 95.091200][ T115] Call Trace: [ 95.094568][ T115] [ 95.097566][ T115] dump_stack_lvl+0x1ff/0x28e [ 95.102278][ T115] dump_stack+0x25/0x28 [ 95.106453][ T115] panic+0x487/0xe1f [ 95.110474][ T115] ? add_taint+0x181/0x210 [ 95.114906][ T115] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 95.120837][ T115] kmsan_report+0x2e6/0x2f0 [ 95.125373][ T115] ? __msan_warning+0xb8/0x130 [ 95.130181][ T115] ? string+0x4ec/0x6f0 [ 95.133869][ T7] cfg80211: failed to load regulatory.db [ 95.134368][ T115] ? vsnprintf+0x2222/0x3650 [ 95.134419][ T115] ? pointer+0x1844/0x2060 [ 95.134463][ T115] ? vsnprintf+0x1a9b/0x3650 [ 95.153695][ T115] ? vprintk_store+0x537/0x2150 [ 95.158599][ T115] ? vprintk_emit+0x25c/0x950 [ 95.163341][ T115] ? dev_vprintk_emit+0x5ef/0x6d0 [ 95.168417][ T115] ? dev_printk_emit+0x1dd/0x21f [ 95.173399][ T115] ? __dev_printk+0x3be/0x440 [ 95.178128][ T115] ? _dev_info+0x1ea/0x22f [ 95.182581][ T115] ? r871xu_drv_init+0x1929/0x30a0 [ 95.187711][ T115] ? usb_probe_interface+0xf19/0x1600 [ 95.193123][ T115] ? really_probe+0x67d/0x1510 [ 95.197958][ T115] ? __driver_probe_device+0x3e9/0x530 [ 95.203451][ T115] ? __device_attach_driver+0x79f/0x1120 [ 95.209141][ T115] ? bus_for_each_drv+0x2d6/0x3f0 [ 95.214196][ T115] ? __device_attach+0x593/0x8e0 [ 95.219170][ T115] ? device_initial_probe+0x4a/0x60 [ 95.224405][ T115] ? bus_probe_device+0x17b/0x3e0 [ 95.229460][ T115] ? device_add+0x1d3e/0x2400 [ 95.234158][ T115] ? usb_set_configuration+0x37e9/0x3ed0 [ 95.239828][ T115] ? usb_generic_driver_probe+0x13c/0x300 [ 95.245587][ T115] ? usb_probe_device+0x309/0x570 [ 95.250650][ T115] ? really_probe+0x67d/0x1510 [ 95.255441][ T115] ? __driver_probe_device+0x3e9/0x530 [ 95.260932][ T115] ? __device_attach_driver+0x79f/0x1120 [ 95.266600][ T115] ? bus_for_each_drv+0x2d6/0x3f0 [ 95.271672][ T115] ? __device_attach+0x593/0x8e0 [ 95.276666][ T115] ? device_initial_probe+0x4a/0x60 [ 95.281918][ T115] ? bus_probe_device+0x17b/0x3e0 [ 95.286988][ T115] ? device_add+0x1d3e/0x2400 [ 95.291686][ T115] ? usb_new_device+0x1b8e/0x2950 [ 95.296742][ T115] ? hub_event+0x5ad2/0x8910 [ 95.301347][ T115] ? process_one_work+0xdb9/0x1820 [ 95.306577][ T115] ? worker_thread+0x10bc/0x21f0 [ 95.311544][ T115] ? kthread+0x721/0x850 [ 95.315806][ T115] ? ret_from_fork+0x1f/0x30 [ 95.320420][ T115] ? rmqueue+0xdbf/0xeb0 [ 95.324692][ T115] ? kmsan_get_metadata+0x33/0x220 [ 95.329914][ T115] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 95.336191][ T115] ? kmsan_get_metadata+0x33/0x220 [ 95.341335][ T115] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 95.347170][ T115] __msan_warning+0xb8/0x130 [ 95.351790][ T115] string+0x4ec/0x6f0 [ 95.355817][ T115] vsnprintf+0x2222/0x3650 [ 95.360272][ T115] pointer+0x1844/0x2060 [ 95.364539][ T115] ? kmsan_get_metadata+0x33/0x220 [ 95.369683][ T115] vsnprintf+0x1a9b/0x3650 [ 95.374134][ T115] vprintk_store+0x537/0x2150 [ 95.378836][ T115] ? vsnprintf+0x355b/0x3650 [ 95.383460][ T115] ? snprintf+0x24a/0x290 [ 95.387823][ T115] vprintk_emit+0x25c/0x950 [ 95.392378][ T115] dev_vprintk_emit+0x5ef/0x6d0 [ 95.397459][ T115] dev_printk_emit+0x1dd/0x21f [ 95.402257][ T115] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 95.408110][ T115] __dev_printk+0x3be/0x440 [ 95.412647][ T115] _dev_info+0x1ea/0x22f [ 95.416919][ T115] ? usb_read8+0xe7/0x130 [ 95.421287][ T115] ? r871xu_drv_init+0x185e/0x30a0 [ 95.426421][ T115] ? r8712_read8+0xa5/0xd0 [ 95.430864][ T115] r871xu_drv_init+0x1929/0x30a0 [ 95.435842][ T115] ? __pm_runtime_set_status+0x1ac6/0x1e20 [ 95.441690][ T115] ? kmsan_get_metadata+0x33/0x220 [ 95.446844][ T115] ? r871x_dev_unload+0x310/0x310 [ 95.451894][ T115] ? r871x_dev_unload+0x310/0x310 [ 95.456966][ T115] usb_probe_interface+0xf19/0x1600 [ 95.462201][ T115] ? kmsan_get_metadata+0x33/0x220 [ 95.467348][ T115] ? usb_register_driver+0x900/0x900 [ 95.472837][ T115] really_probe+0x67d/0x1510 [ 95.477458][ T115] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 95.483561][ T115] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 95.489409][ T115] __driver_probe_device+0x3e9/0x530 [ 95.494733][ T115] __device_attach_driver+0x79f/0x1120 [ 95.500275][ T115] bus_for_each_drv+0x2d6/0x3f0 [ 95.505158][ T115] ? deferred_probe_work_func+0x4c0/0x4c0 [ 95.510931][ T115] __device_attach+0x593/0x8e0 [ 95.515816][ T115] ? cgroup_bpf_attach+0xe1/0x2640 [ 95.520955][ T115] device_initial_probe+0x4a/0x60 [ 95.526017][ T115] bus_probe_device+0x17b/0x3e0 [ 95.530913][ T115] device_add+0x1d3e/0x2400 [ 95.535457][ T115] usb_set_configuration+0x37e9/0x3ed0 [ 95.540956][ T115] ? usb_set_configuration+0xb51/0x3ed0 [ 95.546560][ T115] usb_generic_driver_probe+0x13c/0x300 [ 95.552159][ T115] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 95.558176][ T115] ? usb_choose_configuration+0xf90/0xf90 [ 95.563949][ T115] usb_probe_device+0x309/0x570 [ 95.568836][ T115] ? kmsan_get_metadata+0x33/0x220 [ 95.574002][ T115] ? usb_register_device_driver+0x580/0x580 [ 95.579934][ T115] really_probe+0x67d/0x1510 [ 95.584653][ T115] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 95.590850][ T115] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 95.596690][ T115] __driver_probe_device+0x3e9/0x530 [ 95.602021][ T115] __device_attach_driver+0x79f/0x1120 [ 95.607522][ T115] bus_for_each_drv+0x2d6/0x3f0 [ 95.612416][ T115] ? deferred_probe_work_func+0x4c0/0x4c0 [ 95.618184][ T115] __device_attach+0x593/0x8e0 [ 95.623017][ T115] ? cgroup_bpf_attach+0xe1/0x2640 [ 95.628179][ T115] device_initial_probe+0x4a/0x60 [ 95.633336][ T115] bus_probe_device+0x17b/0x3e0 [ 95.638228][ T115] device_add+0x1d3e/0x2400 [ 95.642782][ T115] usb_new_device+0x1b8e/0x2950 [ 95.647680][ T115] hub_event+0x5ad2/0x8910 [ 95.652154][ T115] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 95.658003][ T115] ? led_work+0x7b0/0x7b0 [ 95.662364][ T115] ? led_work+0x7b0/0x7b0 [ 95.666719][ T115] process_one_work+0xdb9/0x1820 [ 95.671747][ T115] worker_thread+0x10bc/0x21f0 [ 95.676581][ T115] kthread+0x721/0x850 [ 95.680773][ T115] ? worker_clr_flags+0x370/0x370 [ 95.685847][ T115] ? kthread_blkcg+0x120/0x120 [ 95.690640][ T115] ret_from_fork+0x1f/0x30 [ 95.695090][ T115] [ 95.698186][ T115] Kernel Offset: disabled [ 95.702514][ T115] Rebooting in 86400 seconds..