Warning: Permanently added '10.128.0.200' (ECDSA) to the list of known hosts. syzkaller login: [ 149.038747][ T8470] IPVS: ftp: loaded support on port[0] = 21 executing program [ 149.564090][ T49] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 149.924397][ T49] usb 1-1: config 0 has an invalid interface number: 1 but max is 0 [ 149.932469][ T49] usb 1-1: config 0 has no interface number 0 [ 149.938877][ T49] usb 1-1: New USB device found, idVendor=0b48, idProduct=1003, bcdDevice=df.34 [ 149.948214][ T49] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 149.959193][ T49] usb 1-1: config 0 descriptor?? [ 150.009034][ T49] usb 1-1: selecting invalid altsetting 1 [ 150.015134][ T49] ttusb_init_controller: error [ 150.020004][ T49] dvbdev: DVB: registering new adapter (Technotrend/Hauppauge Nova-USB) [ 150.275566][ T229] tipc: TX() has been purged, node left! [ 150.288947][ T49] ===================================================== [ 150.295926][ T49] BUG: KMSAN: uninit-value in tda8083_attach+0x55a/0x6d0 [ 150.302963][ T49] CPU: 1 PID: 49 Comm: kworker/1:1 Not tainted 5.8.0-rc5-syzkaller #0 [ 150.311112][ T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.321186][ T49] Workqueue: usb_hub_wq hub_event [ 150.326218][ T49] Call Trace: [ 150.329595][ T49] dump_stack+0x21c/0x280 [ 150.333956][ T49] kmsan_report+0xf7/0x1e0 [ 150.338397][ T49] __msan_warning+0x58/0xa0 [ 150.342921][ T49] tda8083_attach+0x55a/0x6d0 [ 150.347631][ T49] ? cx22700_i2c_gate_ctrl+0x7e0/0x7e0 [ 150.353112][ T49] ttusb_probe+0x4238/0x5040 [ 150.357738][ T49] ? __pm_runtime_set_status+0x1b16/0x1e50 [ 150.363555][ T49] ? kmsan_get_metadata+0x116/0x180 [ 150.368743][ T49] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 150.374568][ T49] ? ttusbdecfe_dvbs_set_voltage+0x120/0x120 [ 150.380535][ T49] usb_probe_interface+0xece/0x1550 [ 150.385729][ T49] ? usb_register_driver+0x900/0x900 [ 150.391011][ T49] really_probe+0xf20/0x20b0 [ 150.395594][ T49] ? kmsan_get_metadata+0x116/0x180 [ 150.400795][ T49] driver_probe_device+0x293/0x390 [ 150.405900][ T49] __device_attach_driver+0x63f/0x830 [ 150.411268][ T49] bus_for_each_drv+0x2ca/0x3f0 [ 150.416105][ T49] ? coredump_store+0xf0/0xf0 [ 150.420786][ T49] __device_attach+0x4e2/0x7f0 [ 150.425565][ T49] device_initial_probe+0x4a/0x60 [ 150.430576][ T49] bus_probe_device+0x177/0x3d0 [ 150.435416][ T49] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 150.441252][ T49] device_add+0x3b0e/0x40d0 [ 150.445774][ T49] usb_set_configuration+0x380f/0x3f10 [ 150.451237][ T49] ? usb_set_configuration+0xb41/0x3f10 [ 150.456803][ T49] usb_generic_driver_probe+0x138/0x300 [ 150.462339][ T49] ? usb_choose_configuration+0xe70/0xe70 [ 150.468074][ T49] usb_probe_device+0x311/0x490 [ 150.472915][ T49] ? usb_register_device_driver+0x540/0x540 [ 150.478793][ T49] really_probe+0xf20/0x20b0 [ 150.483374][ T49] ? kmsan_get_metadata+0x116/0x180 [ 150.488650][ T49] driver_probe_device+0x293/0x390 [ 150.493752][ T49] __device_attach_driver+0x63f/0x830 [ 150.499119][ T49] bus_for_each_drv+0x2ca/0x3f0 [ 150.503955][ T49] ? coredump_store+0xf0/0xf0 [ 150.508626][ T49] __device_attach+0x4e2/0x7f0 [ 150.513384][ T49] device_initial_probe+0x4a/0x60 [ 150.518395][ T49] bus_probe_device+0x177/0x3d0 [ 150.523244][ T49] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 150.529037][ T49] device_add+0x3b0e/0x40d0 [ 150.533550][ T49] usb_new_device+0x1bd4/0x2a30 [ 150.538407][ T49] hub_event+0x5e7b/0x8a70 [ 150.542849][ T49] ? kmsan_get_metadata+0x116/0x180 [ 150.548051][ T49] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 150.553856][ T49] ? led_work+0x7c0/0x7c0 [ 150.558190][ T49] process_one_work+0x1688/0x2140 [ 150.563219][ T49] worker_thread+0x10bc/0x2730 [ 150.567979][ T49] ? kmsan_get_metadata+0x116/0x180 [ 150.573238][ T49] kthread+0x551/0x590 [ 150.577336][ T49] ? process_one_work+0x2140/0x2140 [ 150.582560][ T49] ? kthread_blkcg+0x110/0x110 [ 150.587346][ T49] ret_from_fork+0x1f/0x30 [ 150.591754][ T49] [ 150.594069][ T49] Local variable ----reg1.addr.i.i@tda8083_attach created at: [ 150.601521][ T49] tda8083_attach+0x1af/0x6d0 [ 150.606194][ T49] tda8083_attach+0x1af/0x6d0 [ 150.610844][ T49] ===================================================== [ 150.617764][ T49] Disabling lock debugging due to kernel taint [ 150.623895][ T49] Kernel panic - not syncing: panic_on_warn set ... [ 150.630465][ T49] CPU: 1 PID: 49 Comm: kworker/1:1 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 150.639979][ T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.650046][ T49] Workqueue: usb_hub_wq hub_event [ 150.655057][ T49] Call Trace: [ 150.658365][ T49] dump_stack+0x21c/0x280 [ 150.662719][ T49] panic+0x4d7/0xef7 [ 150.666663][ T49] ? add_taint+0x17c/0x210 [ 150.671104][ T49] kmsan_report+0x1df/0x1e0 [ 150.675635][ T49] __msan_warning+0x58/0xa0 [ 150.680154][ T49] tda8083_attach+0x55a/0x6d0 [ 150.684864][ T49] ? cx22700_i2c_gate_ctrl+0x7e0/0x7e0 [ 150.690338][ T49] ttusb_probe+0x4238/0x5040 [ 150.694950][ T49] ? __pm_runtime_set_status+0x1b16/0x1e50 [ 150.700749][ T49] ? kmsan_get_metadata+0x116/0x180 [ 150.705933][ T49] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 150.711728][ T49] ? ttusbdecfe_dvbs_set_voltage+0x120/0x120 [ 150.717698][ T49] usb_probe_interface+0xece/0x1550 [ 150.722908][ T49] ? usb_register_driver+0x900/0x900 [ 150.728181][ T49] really_probe+0xf20/0x20b0 [ 150.732773][ T49] ? kmsan_get_metadata+0x116/0x180 [ 150.737964][ T49] driver_probe_device+0x293/0x390 [ 150.743070][ T49] __device_attach_driver+0x63f/0x830 [ 150.748451][ T49] bus_for_each_drv+0x2ca/0x3f0 [ 150.753287][ T49] ? coredump_store+0xf0/0xf0 [ 150.757961][ T49] __device_attach+0x4e2/0x7f0 [ 150.762727][ T49] device_initial_probe+0x4a/0x60 [ 150.767740][ T49] bus_probe_device+0x177/0x3d0 [ 150.772579][ T49] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 150.778372][ T49] device_add+0x3b0e/0x40d0 [ 150.782882][ T49] usb_set_configuration+0x380f/0x3f10 [ 150.788334][ T49] ? usb_set_configuration+0xb41/0x3f10 [ 150.793905][ T49] usb_generic_driver_probe+0x138/0x300 [ 150.799451][ T49] ? usb_choose_configuration+0xe70/0xe70 [ 150.805158][ T49] usb_probe_device+0x311/0x490 [ 150.809999][ T49] ? usb_register_device_driver+0x540/0x540 [ 150.815879][ T49] really_probe+0xf20/0x20b0 [ 150.820457][ T49] ? kmsan_get_metadata+0x116/0x180 [ 150.825645][ T49] driver_probe_device+0x293/0x390 [ 150.830745][ T49] __device_attach_driver+0x63f/0x830 [ 150.836114][ T49] bus_for_each_drv+0x2ca/0x3f0 [ 150.840956][ T49] ? coredump_store+0xf0/0xf0 [ 150.845628][ T49] __device_attach+0x4e2/0x7f0 [ 150.850388][ T49] device_initial_probe+0x4a/0x60 [ 150.855401][ T49] bus_probe_device+0x177/0x3d0 [ 150.860256][ T49] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 150.866073][ T49] device_add+0x3b0e/0x40d0 [ 150.870586][ T49] usb_new_device+0x1bd4/0x2a30 [ 150.875440][ T49] hub_event+0x5e7b/0x8a70 [ 150.879886][ T49] ? kmsan_get_metadata+0x116/0x180 [ 150.885071][ T49] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 150.890871][ T49] ? led_work+0x7c0/0x7c0 [ 150.895190][ T49] process_one_work+0x1688/0x2140 [ 150.900221][ T49] worker_thread+0x10bc/0x2730 [ 150.904975][ T49] ? kmsan_get_metadata+0x116/0x180 [ 150.910190][ T49] kthread+0x551/0x590 [ 150.914246][ T49] ? process_one_work+0x2140/0x2140 [ 150.919975][ T49] ? kthread_blkcg+0x110/0x110 [ 150.924727][ T49] ret_from_fork+0x1f/0x30 [ 150.929630][ T49] ------------[ cut here ]------------ [ 150.935088][ T49] kernel BUG at mm/kmsan/kmsan.h:87! [ 150.940362][ T49] invalid opcode: 0000 [#1] SMP [ 150.945197][ T49] CPU: 1 PID: 49 Comm: kworker/1:1 Tainted: G B 5.8.0-rc5-syzkaller #0 [ 150.954708][ T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 150.964751][ T49] Workqueue: usb_hub_wq hub_event [ 150.969764][ T49] RIP: 0010:kmsan_internal_check_memory+0x3c0/0x3d0 [ 150.976345][ T49] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b 48 c7 c7 b0 63 e1 91 31 c0 e8 f8 02 30 ff 0f 0b 0f 0b 0f 0b 0f 0b e8 c2 13 b0 0e 0f 0b <0f> 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 83 ff [ 150.995932][ T49] RSP: 0018:ffff88812d06a608 EFLAGS: 00010046 [ 151.001995][ T49] RAX: 0000000000000002 RBX: 00000000052e001e RCX: 00000000052e001e [ 151.010133][ T49] RDX: 0000000000000000 RSI: 00000000000004a0 RDI: ffff88812d06a6ec [ 151.018116][ T49] RBP: ffff88812d06a6b0 R08: ffffea000000000f R09: ffff88812fffa000 [ 151.026084][ T49] R10: 0000000000000002 R11: ffff88812d0e3d00 R12: 0000000000000000 [ 151.034037][ T49] R13: 0000000000000001 R14: 0000000000000006 R15: 0000000000000001 [ 151.041990][ T49] FS: 0000000000000000(0000) GS:ffff88812fd00000(0000) knlGS:0000000000000000 [ 151.050898][ T49] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 151.057473][ T49] CR2: 0000563725f49160 CR3: 0000000012223000 CR4: 00000000001406e0 [ 151.065440][ T49] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 151.073393][ T49] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 151.081341][ T49] Call Trace: [ 151.084637][ T49] kmsan_check_memory+0xd/0x10 [ 151.089390][ T49] iowrite8+0x99/0x300 [ 151.093454][ T49] pvpanic_panic_notify+0xb7/0xe0 [ 151.098473][ T49] ? pvpanic_mmio_remove+0x60/0x60 [ 151.103568][ T49] atomic_notifier_call_chain+0x123/0x290 [ 151.109279][ T49] panic+0x560/0xef7 [ 151.113175][ T49] ? add_taint+0x17c/0x210 [ 151.117581][ T49] kmsan_report+0x1df/0x1e0 [ 151.122082][ T49] __msan_warning+0x58/0xa0 [ 151.126587][ T49] tda8083_attach+0x55a/0x6d0 [ 151.134482][ T49] ? cx22700_i2c_gate_ctrl+0x7e0/0x7e0 [ 151.139936][ T49] ttusb_probe+0x4238/0x5040 [ 151.144532][ T49] ? __pm_runtime_set_status+0x1b16/0x1e50 [ 151.150331][ T49] ? kmsan_get_metadata+0x116/0x180 [ 151.155514][ T49] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 151.161306][ T49] ? ttusbdecfe_dvbs_set_voltage+0x120/0x120 [ 151.167273][ T49] usb_probe_interface+0xece/0x1550 [ 151.172467][ T49] ? usb_register_driver+0x900/0x900 [ 151.177738][ T49] really_probe+0xf20/0x20b0 [ 151.182319][ T49] ? kmsan_get_metadata+0x116/0x180 [ 151.187507][ T49] driver_probe_device+0x293/0x390 [ 151.192610][ T49] __device_attach_driver+0x63f/0x830 [ 151.197979][ T49] bus_for_each_drv+0x2ca/0x3f0 [ 151.202812][ T49] ? coredump_store+0xf0/0xf0 [ 151.207480][ T49] __device_attach+0x4e2/0x7f0 [ 151.212241][ T49] device_initial_probe+0x4a/0x60 [ 151.217254][ T49] bus_probe_device+0x177/0x3d0 [ 151.222094][ T49] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 151.227888][ T49] device_add+0x3b0e/0x40d0 [ 151.232401][ T49] usb_set_configuration+0x380f/0x3f10 [ 151.237850][ T49] ? usb_set_configuration+0xb41/0x3f10 [ 151.243411][ T49] usb_generic_driver_probe+0x138/0x300 [ 151.248949][ T49] ? usb_choose_configuration+0xe70/0xe70 [ 151.254667][ T49] usb_probe_device+0x311/0x490 [ 151.259507][ T49] ? usb_register_device_driver+0x540/0x540 [ 151.265385][ T49] really_probe+0xf20/0x20b0 [ 151.269972][ T49] ? kmsan_get_metadata+0x116/0x180 [ 151.275162][ T49] driver_probe_device+0x293/0x390 [ 151.280263][ T49] __device_attach_driver+0x63f/0x830 [ 151.285630][ T49] bus_for_each_drv+0x2ca/0x3f0 [ 151.290462][ T49] ? coredump_store+0xf0/0xf0 [ 151.295131][ T49] __device_attach+0x4e2/0x7f0 [ 151.299891][ T49] device_initial_probe+0x4a/0x60 [ 151.304916][ T49] bus_probe_device+0x177/0x3d0 [ 151.309771][ T49] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 151.315571][ T49] device_add+0x3b0e/0x40d0 [ 151.320086][ T49] usb_new_device+0x1bd4/0x2a30 [ 151.324941][ T49] hub_event+0x5e7b/0x8a70 [ 151.329397][ T49] ? kmsan_get_metadata+0x116/0x180 [ 151.334590][ T49] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 151.340389][ T49] ? led_work+0x7c0/0x7c0 [ 151.344705][ T49] process_one_work+0x1688/0x2140 [ 151.349747][ T49] worker_thread+0x10bc/0x2730 [ 151.354494][ T49] ? kmsan_get_metadata+0x116/0x180 [ 151.359716][ T49] kthread+0x551/0x590 [ 151.363781][ T49] ? process_one_work+0x2140/0x2140 [ 151.368970][ T49] ? kthread_blkcg+0x110/0x110 [ 151.374242][ T49] ret_from_fork+0x1f/0x30 [ 151.378653][ T49] Modules linked in: [ 151.382535][ T49] ---[ end trace 4696c7a2a150cf17 ]--- [ 151.387981][ T49] RIP: 0010:kmsan_internal_check_memory+0x3c0/0x3d0 [ 151.394547][ T49] Code: 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b 48 c7 c7 b0 63 e1 91 31 c0 e8 f8 02 30 ff 0f 0b 0f 0b 0f 0b 0f 0b e8 c2 13 b0 0e 0f 0b <0f> 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 83 ff [ 151.414139][ T49] RSP: 0018:ffff88812d06a608 EFLAGS: 00010046 [ 151.420186][ T49] RAX: 0000000000000002 RBX: 00000000052e001e RCX: 00000000052e001e [ 151.428138][ T49] RDX: 0000000000000000 RSI: 00000000000004a0 RDI: ffff88812d06a6ec [ 151.436093][ T49] RBP: ffff88812d06a6b0 R08: ffffea000000000f R09: ffff88812fffa000 [ 151.444046][ T49] R10: 0000000000000002 R11: ffff88812d0e3d00 R12: 0000000000000000 [ 151.451998][ T49] R13: 0000000000000001 R14: 0000000000000006 R15: 0000000000000001 [ 151.459952][ T49] FS: 0000000000000000(0000) GS:ffff88812fd00000(0000) knlGS:0000000000000000 [ 151.468859][ T49] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 151.475437][ T49] CR2: 0000563725f49160 CR3: 0000000012223000 CR4: 00000000001406e0 [ 151.483397][ T49] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 151.491364][ T49] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 151.499328][ T49] Kernel panic - not syncing: Fatal exception [ 151.505997][ T49] Kernel Offset: disabled [ 151.510319][ T49] Rebooting in 86400 seconds..