Warning: Permanently added '10.128.10.34' (ECDSA) to the list of known hosts. executing program [ 36.654111][ T2663] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 37.023957][ T2663] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 37.033854][ T2663] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 37.043485][ T2663] usb 1-1: New USB device found, idVendor=0bda, idProduct=317f, bcdDevice=9d.cc [ 37.052542][ T2663] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.063475][ T2663] usb 1-1: config 0 descriptor?? [ 37.323803][ T2663] rtl8192cu: Chip version 0x0 executing program [ 37.933448][ T2663] rtl_usb: reg 0xfe48, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 [ 37.942344][ T2663] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1 [ 37.949672][ T2663] [ 37.951997][ T2663] ============================= [ 37.956896][ T2663] WARNING: suspicious RCU usage [ 37.961738][ T2663] 5.10.0-syzkaller #0 Not tainted [ 37.966794][ T2663] ----------------------------- [ 37.971638][ T2663] net/wireless/reg.c:144 suspicious rcu_dereference_check() usage! [ 37.979582][ T2663] [ 37.979582][ T2663] other info that might help us debug this: [ 37.979582][ T2663] [ 37.989855][ T2663] [ 37.989855][ T2663] rcu_scheduler_active = 2, debug_locks = 1 [ 37.998113][ T2663] 5 locks held by kworker/0:3/2663: [ 38.003365][ T2663] #0: ffff888103fccd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x15c0 [ 38.014187][ T2663] #1: ffffc90000227da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15c0 [ 38.025503][ T2663] #2: ffff888106e35218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x42d0 [ 38.034558][ T2663] #3: ffff888111391218 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4c0 [ 38.043897][ T2663] #4: ffff8881113921a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4c0 [ 38.053184][ T2663] [ 38.053184][ T2663] stack backtrace: [ 38.059823][ T2663] CPU: 0 PID: 2663 Comm: kworker/0:3 Not tainted 5.10.0-syzkaller #0 [ 38.067945][ T2663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.078018][ T2663] Workqueue: usb_hub_wq hub_event [ 38.083035][ T2663] Call Trace: [ 38.086326][ T2663] dump_stack+0x107/0x163 [ 38.090665][ T2663] get_wiphy_regdom+0xe0/0xf0 [ 38.095332][ T2663] wiphy_apply_custom_regulatory+0x234/0x360 [ 38.101300][ T2663] rtl_regd_init+0x36d/0x760 [ 38.105898][ T2663] ? rtl_regd_init+0x760/0x760 [ 38.110650][ T2663] rtl_init_core+0x878/0x1a50 [ 38.115346][ T2663] ? rtl_free_entries_from_ack_queue+0x320/0x320 [ 38.121664][ T2663] ? lockdep_init_map_waits+0x26a/0x700 [ 38.127199][ T2663] rtl_usb_probe.cold+0x79a/0xada [ 38.132218][ T2663] usb_probe_interface+0x315/0x7f0 [ 38.137323][ T2663] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 38.142703][ T2663] really_probe+0x2b1/0xe40 [ 38.147212][ T2663] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 38.153445][ T2663] driver_probe_device+0x285/0x3f0 [ 38.158551][ T2663] __device_attach_driver+0x216/0x2d0 [ 38.163918][ T2663] ? driver_allows_async_probing+0x170/0x170 [ 38.169895][ T2663] bus_for_each_drv+0x15f/0x1e0 [ 38.174738][ T2663] ? bus_for_each_dev+0x1d0/0x1d0 [ 38.179753][ T2663] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 38.185868][ T2663] ? trace_hardirqs_on+0x5b/0x1a0 [ 38.190880][ T2663] __device_attach+0x228/0x4c0 [ 38.195635][ T2663] ? __driver_attach_async_helper+0x380/0x380 [ 38.201693][ T2663] ? kobject_uevent_env+0x2bb/0x1680 [ 38.207131][ T2663] bus_probe_device+0x1e4/0x290 [ 38.211978][ T2663] device_add+0xbc4/0x1d90 [ 38.216387][ T2663] ? wait_for_completion_io+0x270/0x270 [ 38.221922][ T2663] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 38.228151][ T2663] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 38.234124][ T2663] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 38.239918][ T2663] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 38.246146][ T2663] usb_set_configuration+0x113c/0x1910 [ 38.251595][ T2663] usb_generic_driver_probe+0xba/0x100 [ 38.257043][ T2663] usb_probe_device+0xd9/0x2c0 [ 38.261817][ T2663] ? usb_driver_release_interface+0x180/0x180 [ 38.267882][ T2663] really_probe+0x2b1/0xe40 [ 38.272372][ T2663] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 38.278601][ T2663] driver_probe_device+0x285/0x3f0 [ 38.283717][ T2663] __device_attach_driver+0x216/0x2d0 [ 38.289079][ T2663] ? driver_allows_async_probing+0x170/0x170 [ 38.295047][ T2663] bus_for_each_drv+0x15f/0x1e0 [ 38.299886][ T2663] ? bus_for_each_dev+0x1d0/0x1d0 [ 38.304902][ T2663] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 38.310874][ T2663] ? trace_hardirqs_on+0x5b/0x1a0 [ 38.315887][ T2663] __device_attach+0x228/0x4c0 [ 38.320657][ T2663] ? __driver_attach_async_helper+0x380/0x380 [ 38.326714][ T2663] ? kobject_uevent_env+0x2bb/0x1680 [ 38.331987][ T2663] bus_probe_device+0x1e4/0x290 [ 38.336824][ T2663] device_add+0xbc4/0x1d90 [ 38.341226][ T2663] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 38.347470][ T2663] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 38.353699][ T2663] usb_new_device.cold+0x725/0x1057 [ 38.358902][ T2663] ? hub_disconnect+0x510/0x510 [ 38.363738][ T2663] ? rwlock_bug.part.0+0x90/0x90 [ 38.368714][ T2663] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 38.374699][ T2663] hub_event+0x2348/0x42d0 [ 38.379131][ T2663] ? hub_port_debounce+0x3b0/0x3b0 [ 38.384229][ T2663] ? __lock_acquire+0x5d1/0x54a0 [ 38.389162][ T2663] ? worker_detach_from_pool+0x20/0x310 [ 38.394696][ T2663] ? lock_release+0x6e0/0x6e0 [ 38.399359][ T2663] ? lock_downgrade+0x6d0/0x6d0 [ 38.404251][ T2663] ? do_raw_spin_lock+0x120/0x2b0 [ 38.409265][ T2663] process_one_work+0x98d/0x15c0 [ 38.414214][ T2663] ? pwq_dec_nr_in_flight+0x320/0x320 [ 38.419577][ T2663] ? rwlock_bug.part.0+0x90/0x90 [ 38.424503][ T2663] worker_thread+0x64c/0x1120 [ 38.429174][ T2663] ? __kthread_parkme+0x118/0x1d0 [ 38.434191][ T2663] ? process_one_work+0x15c0/0x15c0 [ 38.439382][ T2663] kthread+0x38c/0x460 [ 38.443440][ T2663] ? _raw_spin_unlock_irq+0x1f/0x30 [ 38.448624][ T2663] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 38.454516][ T2663] ret_from_fork+0x1f/0x30 [ 38.459781][ T2663] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin [ 38.482286][ T2663] usb 1-1: USB disconnect, device number 2 [ 38.495631][ T5] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw_TMSC.bin failed with error -2 [ 38.524057][ T5] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw.bin failed with error -2 [ 38.544627][ T5] rtlwifi: Loading alternative firmware rtlwifi/rtl8192cufw.bin [ 38.552286][ T5] rtlwifi: Selected firmware is not available [ 39.012957][ T2663] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 39.372912][ T2663] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 39.382676][ T2663] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 39.392384][ T2663] usb 1-1: New USB device found, idVendor=0bda, idProduct=317f, bcdDevice=9d.cc [ 39.401572][ T2663] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.413798][ T2663] usb 1-1: config 0 descriptor?? [ 39.682673][ T2663] rtl8192cu: Chip version 0x0 executing program [ 40.292425][ T2663] rtl_usb: reg 0xfe48, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 [ 40.301377][ T2663] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1 [ 40.308661][ T2663] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin [ 40.341263][ T2663] usb 1-1: USB disconnect, device number 3 [ 40.349000][ T5] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw_TMSC.bin failed with error -2 [ 40.365594][ T5] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw.bin failed with error -2 [ 40.375589][ T5] rtlwifi: Loading alternative firmware rtlwifi/rtl8192cufw.bin [ 40.383291][ T5] rtlwifi: Selected firmware is not available [ 40.822189][ T2663] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 41.182138][ T2663] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 41.191943][ T2663] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 41.201650][ T2663] usb 1-1: New USB device found, idVendor=0bda, idProduct=317f, bcdDevice=9d.cc [ 41.210740][ T2663] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 41.220333][ T2663] usb 1-1: config 0 descriptor?? [ 41.482007][ T2663] rtl8192cu: Chip version 0x0 executing program [ 42.111740][ T2663] rtl_usb: reg 0xfe48, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 [ 42.120612][ T2663] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1 [ 42.128155][ T2663] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin [ 42.150847][ T2663] usb 1-1: USB disconnect, device number 4 [ 42.173242][ T5] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw_TMSC.bin failed with error -2 [ 42.183328][ T5] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw.bin failed with error -2 [ 42.211652][ T5] rtlwifi: Loading alternative firmware rtlwifi/rtl8192cufw.bin [ 42.219304][ T5] rtlwifi: Selected firmware is not available [ 42.651511][ T2663] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 43.011492][ T2663] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 43.021247][ T2663] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 43.030947][ T2663] usb 1-1: New USB device found, idVendor=0bda, idProduct=317f, bcdDevice=9d.cc [ 43.040032][ T2663] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 43.049642][ T2663] usb 1-1: config 0 descriptor?? [ 43.311396][ T2663] rtl8192cu: Chip version 0x0 executing program [ 43.961087][ T2663] rtl_usb: reg 0xfe48, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 [ 43.969974][ T2663] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1 [ 43.977158][ T2663] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin [ 44.012014][ T2663] usb 1-1: USB disconnect, device number 5 [ 44.019062][ T5] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw_TMSC.bin failed with error -2 [ 44.029980][ T5] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw.bin failed with error -2 [ 44.051577][ T5] rtlwifi: Loading alternative firmware rtlwifi/rtl8192cufw.bin [ 44.059220][ T5] rtlwifi: Selected firmware is not available [ 44.500904][ T2663] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 44.860879][ T2663] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 44.870636][ T2663] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 44.880358][ T2663] usb 1-1: New USB device found, idVendor=0bda, idProduct=317f, bcdDevice=9d.cc [ 44.889457][ T2663] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 44.899168][ T2663] usb 1-1: config 0 descriptor?? [ 45.160777][ T2663] rtl8192cu: Chip version 0x0 executing program [ 45.780560][ T2663] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1 [ 45.787475][ T2663] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin [ 45.806944][ T2663] usb 1-1: USB disconnect, device number 6 [ 45.814094][ T5] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw_TMSC.bin failed with error -2 [ 45.832510][ T5] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw.bin failed with error -2 [ 45.841798][ T5] rtlwifi: Loading alternative firmware rtlwifi/rtl8192cufw.bin [ 45.849454][ T5] rtlwifi: Selected firmware is not available [ 46.260433][ T2663] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 46.620433][ T2663] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 46.630176][ T2663] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 46.639887][ T2663] usb 1-1: New USB device found, idVendor=0bda, idProduct=317f, bcdDevice=9d.cc [ 46.648982][ T2663] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 46.658866][ T2663] usb 1-1: config 0 descriptor?? [ 46.920319][ T2663] rtl8192cu: Chip version 0x0 executing program [ 47.540134][ T2663] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1 [ 47.547051][ T2663] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin [ 47.569666][ T2663] usb 1-1: USB disconnect, device number 7 [ 47.576862][ T5] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw_TMSC.bin failed with error -2 [ 47.587468][ T5] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw.bin failed with error -2 [ 47.599586][ T5] rtlwifi: Loading alternative firmware rtlwifi/rtl8192cufw.bin [ 47.607340][ T5] rtlwifi: Selected firmware is not available