forked to background, child pid 3056 no interfaces have a carrier [ 66.521203][ T3057] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.535534][ T3057] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.72' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 90.271965][ T30] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 90.512006][ T30] usb 1-1: Using ep0 maxpacket: 8 [ 90.672341][ T30] usb 1-1: unable to get BOS descriptor or descriptor too short [ 90.752455][ T30] usb 1-1: config 7 has an invalid interface number: 144 but max is 3 [ 90.760741][ T30] usb 1-1: config 7 contains an unexpected descriptor of type 0x1, skipping [ 90.769649][ T30] usb 1-1: config 7 contains an unexpected descriptor of type 0x2, skipping [ 90.778533][ T30] usb 1-1: config 7 has an invalid interface number: 242 but max is 3 [ 90.786915][ T30] usb 1-1: config 7 has an invalid interface number: 184 but max is 3 [ 90.795258][ T30] usb 1-1: config 7 has an invalid interface number: 19 but max is 3 [ 90.803530][ T30] usb 1-1: config 7 contains an unexpected descriptor of type 0x2, skipping [ 90.812495][ T30] usb 1-1: config 7 has an invalid descriptor of length 1, skipping remainder of the config [ 90.822801][ T30] usb 1-1: config 7 has no interface number 0 [ 90.828997][ T30] usb 1-1: config 7 has no interface number 1 [ 90.835265][ T30] usb 1-1: config 7 has no interface number 2 [ 90.841456][ T30] usb 1-1: config 7 has no interface number 3 [ 90.847746][ T30] usb 1-1: config 7 interface 144 altsetting 3 has an invalid endpoint with address 0xE9, skipping [ 90.858738][ T30] usb 1-1: config 7 interface 144 altsetting 3 has a duplicate endpoint with address 0xE, skipping [ 90.869651][ T30] usb 1-1: config 7 interface 144 altsetting 3 has a duplicate endpoint with address 0xE, skipping [ 90.880563][ T30] usb 1-1: config 7 interface 144 altsetting 3 endpoint 0x3 has invalid wMaxPacketSize 0 [ 90.890768][ T30] usb 1-1: config 7 interface 144 altsetting 3 endpoint 0xB has invalid maxpacket 512, setting to 64 [ 90.901956][ T30] usb 1-1: config 7 interface 242 altsetting 105 has a duplicate endpoint with address 0xB, skipping [ 90.913081][ T30] usb 1-1: config 7 interface 184 altsetting 255 has a duplicate endpoint with address 0xE, skipping [ 90.924155][ T30] usb 1-1: config 7 interface 184 altsetting 255 has a duplicate endpoint with address 0xE, skipping [ 90.935243][ T30] usb 1-1: config 7 interface 184 altsetting 255 has an invalid endpoint descriptor of length 2, skipping [ 90.946782][ T30] usb 1-1: config 7 interface 184 altsetting 255 has an invalid endpoint with address 0x0, skipping [ 90.957742][ T30] usb 1-1: config 7 interface 184 altsetting 255 has 5 endpoint descriptors, different from the interface descriptor's value: 4 [ 90.971190][ T30] usb 1-1: config 7 interface 19 altsetting 64 has 0 endpoint descriptors, different from the interface descriptor's value: 13 [ 90.984602][ T30] usb 1-1: config 7 interface 144 has no altsetting 0 [ 90.991480][ T30] usb 1-1: config 7 interface 242 has no altsetting 0 [ 90.998548][ T30] usb 1-1: config 7 interface 184 has no altsetting 0 [ 91.005531][ T30] usb 1-1: config 7 interface 19 has no altsetting 0 [ 91.172416][ T30] usb 1-1: New USB device found, idVendor=14b2, idProduct=3301, bcdDevice=23.c2 [ 91.181570][ T30] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 91.189782][ T30] usb 1-1: Product: syz [ 91.194103][ T30] usb 1-1: Manufacturer: syz [ 91.198748][ T30] usb 1-1: SerialNumber: syz executing program [ 91.528249][ T30] r8712u: register rtl8712_netdev_ops to netdev_ops [ 91.535039][ T30] usb 1-1: r8712u: USB_SPEED_HIGH with 4 endpoints [ 91.582304][ T30] ===================================================== [ 91.589345][ T30] BUG: KMSAN: uninit-value in string+0x4ec/0x6f0 [ 91.595854][ T30] string+0x4ec/0x6f0 [ 91.599923][ T30] vsnprintf+0x2222/0x3650 [ 91.604367][ T30] pointer+0x1844/0x2060 [ 91.608644][ T30] vsnprintf+0x1a9b/0x3650 [ 91.613075][ T30] vprintk_store+0x537/0x2150 [ 91.617772][ T30] vprintk_emit+0x25c/0x950 [ 91.622295][ T30] dev_vprintk_emit+0x5ef/0x6d0 [ 91.627172][ T30] dev_printk_emit+0x1dd/0x21f [ 91.632081][ T30] __dev_printk+0x3be/0x440 [ 91.636626][ T30] _dev_info+0x1ea/0x22f [ 91.640887][ T30] r871xu_drv_init+0x1929/0x30a0 [ 91.645845][ T30] usb_probe_interface+0xf19/0x1600 [ 91.651063][ T30] really_probe+0x67d/0x1510 [ 91.655665][ T30] __driver_probe_device+0x3e9/0x530 [ 91.660969][ T30] __device_attach_driver+0x79f/0x1120 [ 91.666462][ T30] bus_for_each_drv+0x2d6/0x3f0 [ 91.671344][ T30] __device_attach+0x593/0x8e0 [ 91.676126][ T30] device_initial_probe+0x4a/0x60 [ 91.681173][ T30] bus_probe_device+0x17b/0x3e0 [ 91.686070][ T30] device_add+0x1d3e/0x2400 [ 91.690605][ T30] usb_set_configuration+0x37e9/0x3ed0 [ 91.696105][ T30] usb_generic_driver_probe+0x13c/0x300 [ 91.701685][ T30] usb_probe_device+0x309/0x570 [ 91.706567][ T30] really_probe+0x67d/0x1510 [ 91.711175][ T30] __driver_probe_device+0x3e9/0x530 [ 91.716482][ T30] __device_attach_driver+0x79f/0x1120 [ 91.721985][ T30] bus_for_each_drv+0x2d6/0x3f0 [ 91.726998][ T30] __device_attach+0x593/0x8e0 [ 91.731803][ T30] device_initial_probe+0x4a/0x60 [ 91.736859][ T30] bus_probe_device+0x17b/0x3e0 [ 91.741734][ T30] device_add+0x1d3e/0x2400 [ 91.746291][ T30] usb_new_device+0x1b8e/0x2950 [ 91.751156][ T30] hub_event+0x5ad2/0x8910 [ 91.755594][ T30] process_one_work+0xdb9/0x1820 [ 91.760557][ T30] worker_thread+0x10bc/0x21f0 [ 91.765456][ T30] kthread+0x721/0x850 [ 91.769549][ T30] ret_from_fork+0x1f/0x30 [ 91.773980][ T30] [ 91.776301][ T30] Local variable data created at: [ 91.781311][ T30] usb_read8+0x5d/0x130 [ 91.785479][ T30] r8712_read8+0xa5/0xd0 [ 91.789739][ T30] [ 91.792066][ T30] CPU: 1 PID: 30 Comm: kworker/1:1 Not tainted 5.16.0-rc5-syzkaller #0 [ 91.800598][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.810852][ T30] Workqueue: usb_hub_wq hub_event [ 91.815901][ T30] ===================================================== [ 91.822822][ T30] Disabling lock debugging due to kernel taint [ 91.828987][ T30] Kernel panic - not syncing: kmsan.panic set ... [ 91.835417][ T30] CPU: 1 PID: 30 Comm: kworker/1:1 Tainted: G B 5.16.0-rc5-syzkaller #0 [ 91.845066][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.855128][ T30] Workqueue: usb_hub_wq hub_event [ 91.860175][ T30] Call Trace: [ 91.863450][ T30] [ 91.866383][ T30] dump_stack_lvl+0x1ff/0x28e [ 91.871095][ T30] dump_stack+0x25/0x28 [ 91.875266][ T30] panic+0x487/0xe1f [ 91.879197][ T30] ? add_taint+0x181/0x210 [ 91.883632][ T30] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 91.889490][ T30] kmsan_report+0x2e6/0x2f0 [ 91.894047][ T30] ? __msan_warning+0xb8/0x130 [ 91.898830][ T30] ? string+0x4ec/0x6f0 [ 91.903023][ T30] ? vsnprintf+0x2222/0x3650 [ 91.907632][ T30] ? pointer+0x1844/0x2060 [ 91.912079][ T30] ? vsnprintf+0x1a9b/0x3650 [ 91.916683][ T30] ? vprintk_store+0x537/0x2150 [ 91.921552][ T30] ? vprintk_emit+0x25c/0x950 [ 91.926246][ T30] ? dev_vprintk_emit+0x5ef/0x6d0 [ 91.931296][ T30] ? dev_printk_emit+0x1dd/0x21f [ 91.936271][ T30] ? __dev_printk+0x3be/0x440 [ 91.940971][ T30] ? _dev_info+0x1ea/0x22f [ 91.945408][ T30] ? r871xu_drv_init+0x1929/0x30a0 [ 91.950537][ T30] ? usb_probe_interface+0xf19/0x1600 [ 91.956016][ T30] ? really_probe+0x67d/0x1510 [ 91.960797][ T30] ? __driver_probe_device+0x3e9/0x530 [ 91.966285][ T30] ? __device_attach_driver+0x79f/0x1120 [ 91.971938][ T30] ? bus_for_each_drv+0x2d6/0x3f0 [ 91.977029][ T30] ? __device_attach+0x593/0x8e0 [ 91.981992][ T30] ? device_initial_probe+0x4a/0x60 [ 91.987233][ T30] ? bus_probe_device+0x17b/0x3e0 [ 91.992283][ T30] ? device_add+0x1d3e/0x2400 [ 91.996981][ T30] ? usb_set_configuration+0x37e9/0x3ed0 [ 92.002650][ T30] ? usb_generic_driver_probe+0x13c/0x300 [ 92.008394][ T30] ? usb_probe_device+0x309/0x570 [ 92.013443][ T30] ? really_probe+0x67d/0x1510 [ 92.018224][ T30] ? __driver_probe_device+0x3e9/0x530 [ 92.023713][ T30] ? __device_attach_driver+0x79f/0x1120 [ 92.029451][ T30] ? bus_for_each_drv+0x2d6/0x3f0 [ 92.034499][ T30] ? __device_attach+0x593/0x8e0 [ 92.039470][ T30] ? device_initial_probe+0x4a/0x60 [ 92.044680][ T30] ? bus_probe_device+0x17b/0x3e0 [ 92.049737][ T30] ? device_add+0x1d3e/0x2400 [ 92.054713][ T30] ? usb_new_device+0x1b8e/0x2950 [ 92.059755][ T30] ? hub_event+0x5ad2/0x8910 [ 92.064364][ T30] ? process_one_work+0xdb9/0x1820 [ 92.069507][ T30] ? worker_thread+0x10bc/0x21f0 [ 92.074474][ T30] ? kthread+0x721/0x850 [ 92.078737][ T30] ? ret_from_fork+0x1f/0x30 [ 92.083370][ T30] ? kmsan_get_metadata+0x33/0x220 [ 92.088525][ T30] ? kmsan_internal_set_shadow_origin+0x5e/0xc0 [ 92.094797][ T30] ? kmsan_get_metadata+0x33/0x220 [ 92.099942][ T30] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 92.105807][ T30] __msan_warning+0xb8/0x130 [ 92.110429][ T30] string+0x4ec/0x6f0 [ 92.114439][ T30] vsnprintf+0x2222/0x3650 [ 92.118891][ T30] pointer+0x1844/0x2060 [ 92.123170][ T30] ? kmsan_get_metadata+0x33/0x220 [ 92.128336][ T30] vsnprintf+0x1a9b/0x3650 [ 92.132789][ T30] vprintk_store+0x537/0x2150 [ 92.137491][ T30] ? vsnprintf+0x355b/0x3650 [ 92.142117][ T30] ? snprintf+0x24a/0x290 [ 92.146472][ T30] vprintk_emit+0x25c/0x950 [ 92.151009][ T30] dev_vprintk_emit+0x5ef/0x6d0 [ 92.155898][ T30] dev_printk_emit+0x1dd/0x21f [ 92.160719][ T30] ? _raw_spin_unlock_irqrestore+0x78/0xb0 [ 92.166553][ T30] __dev_printk+0x3be/0x440 [ 92.171089][ T30] _dev_info+0x1ea/0x22f [ 92.175366][ T30] ? usb_read8+0xe7/0x130 [ 92.179713][ T30] ? r871xu_drv_init+0x185e/0x30a0 [ 92.184853][ T30] ? r8712_read8+0xa5/0xd0 [ 92.189294][ T30] r871xu_drv_init+0x1929/0x30a0 [ 92.194258][ T30] ? __pm_runtime_set_status+0x1ac6/0x1e20 [ 92.200103][ T30] ? kmsan_get_metadata+0x33/0x220 [ 92.205238][ T30] ? r871x_dev_unload+0x310/0x310 [ 92.210284][ T30] ? r871x_dev_unload+0x310/0x310 [ 92.215336][ T30] usb_probe_interface+0xf19/0x1600 [ 92.220569][ T30] ? kmsan_get_metadata+0x33/0x220 [ 92.225744][ T30] ? usb_register_driver+0x900/0x900 [ 92.231050][ T30] really_probe+0x67d/0x1510 [ 92.235663][ T30] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 92.241770][ T30] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 92.247621][ T30] __driver_probe_device+0x3e9/0x530 [ 92.252933][ T30] __device_attach_driver+0x79f/0x1120 [ 92.258433][ T30] bus_for_each_drv+0x2d6/0x3f0 [ 92.263313][ T30] ? deferred_probe_work_func+0x4c0/0x4c0 [ 92.269061][ T30] __device_attach+0x593/0x8e0 [ 92.273848][ T30] ? cgroup_bpf_attach+0xe1/0x2640 [ 92.279003][ T30] device_initial_probe+0x4a/0x60 [ 92.284260][ T30] bus_probe_device+0x17b/0x3e0 [ 92.289162][ T30] device_add+0x1d3e/0x2400 [ 92.293724][ T30] usb_set_configuration+0x37e9/0x3ed0 [ 92.299234][ T30] ? usb_set_configuration+0xb11/0x3ed0 [ 92.304838][ T30] usb_generic_driver_probe+0x13c/0x300 [ 92.310413][ T30] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 92.316251][ T30] ? usb_choose_configuration+0xf90/0xf90 [ 92.321999][ T30] usb_probe_device+0x309/0x570 [ 92.326880][ T30] ? kmsan_get_metadata+0x33/0x220 [ 92.332068][ T30] ? usb_register_device_driver+0x580/0x580 [ 92.338023][ T30] really_probe+0x67d/0x1510 [ 92.342645][ T30] ? kmsan_internal_unpoison_memory+0x10/0x20 [ 92.348756][ T30] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 92.354592][ T30] __driver_probe_device+0x3e9/0x530 [ 92.359902][ T30] __device_attach_driver+0x79f/0x1120 [ 92.365388][ T30] bus_for_each_drv+0x2d6/0x3f0 [ 92.370268][ T30] ? deferred_probe_work_func+0x4c0/0x4c0 [ 92.376016][ T30] __device_attach+0x593/0x8e0 [ 92.380800][ T30] ? cgroup_bpf_attach+0xe1/0x2640 [ 92.385945][ T30] device_initial_probe+0x4a/0x60 [ 92.390989][ T30] bus_probe_device+0x17b/0x3e0 [ 92.395873][ T30] device_add+0x1d3e/0x2400 [ 92.400435][ T30] usb_new_device+0x1b8e/0x2950 [ 92.405327][ T30] hub_event+0x5ad2/0x8910 [ 92.409801][ T30] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 92.415656][ T30] ? led_work+0x7b0/0x7b0 [ 92.420026][ T30] ? led_work+0x7b0/0x7b0 [ 92.424372][ T30] process_one_work+0xdb9/0x1820 [ 92.429403][ T30] worker_thread+0x10bc/0x21f0 [ 92.434215][ T30] kthread+0x721/0x850 [ 92.438322][ T30] ? worker_clr_flags+0x370/0x370 [ 92.443382][ T30] ? kthread_blkcg+0x120/0x120 [ 92.448171][ T30] ret_from_fork+0x1f/0x30 [ 92.452636][ T30] [ 92.455947][ T30] Kernel Offset: disabled [ 92.460285][ T30] Rebooting in 86400 seconds..