Warning: Permanently added '10.128.0.75' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 37.322182][ T2629] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 37.702101][ T2629] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 37.712034][ T2629] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 37.721700][ T2629] usb 1-1: New USB device found, idVendor=0bda, idProduct=317f, bcdDevice=9d.cc [ 37.730877][ T2629] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.741613][ T2629] usb 1-1: config 0 descriptor?? [ 38.012002][ T2629] rtl8192cu: Chip version 0x0 executing program [ 38.631778][ T2629] rtl_usb: reg 0xfe48, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 [ 38.640882][ T2629] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1 [ 38.647992][ T2629] [ 38.650335][ T2629] ============================= [ 38.655696][ T2629] WARNING: suspicious RCU usage [ 38.660648][ T2629] 5.10.0-syzkaller #0 Not tainted [ 38.665760][ T2629] ----------------------------- [ 38.670956][ T2629] net/wireless/reg.c:144 suspicious rcu_dereference_check() usage! [ 38.679062][ T2629] [ 38.679062][ T2629] other info that might help us debug this: [ 38.679062][ T2629] [ 38.693104][ T2629] [ 38.693104][ T2629] rcu_scheduler_active = 2, debug_locks = 1 [ 38.702178][ T2629] 5 locks held by kworker/1:2/2629: [ 38.707959][ T2629] #0: ffff888103f8b538 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x15c0 [ 38.721627][ T2629] #1: ffffc900067d7da8 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x15c0 [ 38.733506][ T2629] #2: ffff88810911e218 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c5/0x42d0 [ 38.742482][ T2629] #3: ffff888104322218 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4c0 [ 38.752046][ T2629] #4: ffff8881043241a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4c0 [ 38.761481][ T2629] [ 38.761481][ T2629] stack backtrace: [ 38.767696][ T2629] CPU: 1 PID: 2629 Comm: kworker/1:2 Not tainted 5.10.0-syzkaller #0 [ 38.776190][ T2629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.786274][ T2629] Workqueue: usb_hub_wq hub_event [ 38.791307][ T2629] Call Trace: [ 38.794609][ T2629] dump_stack+0x107/0x163 [ 38.799468][ T2629] get_wiphy_regdom+0xe0/0xf0 [ 38.804305][ T2629] wiphy_apply_custom_regulatory+0x234/0x360 [ 38.810560][ T2629] rtl_regd_init+0x36d/0x760 [ 38.815170][ T2629] ? rtl_regd_init+0x760/0x760 [ 38.819990][ T2629] rtl_init_core+0x878/0x1a50 [ 38.824786][ T2629] ? rtl_free_entries_from_ack_queue+0x320/0x320 [ 38.831131][ T2629] ? lockdep_init_map_waits+0x26a/0x700 [ 38.836804][ T2629] rtl_usb_probe.cold+0x79a/0xada [ 38.841848][ T2629] usb_probe_interface+0x315/0x7f0 [ 38.846993][ T2629] ? usb_match_dynamic_id+0x1a0/0x1a0 [ 38.852894][ T2629] really_probe+0x2b1/0xe40 [ 38.857502][ T2629] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 38.863785][ T2629] driver_probe_device+0x285/0x3f0 [ 38.869395][ T2629] __device_attach_driver+0x216/0x2d0 [ 38.875002][ T2629] ? driver_allows_async_probing+0x170/0x170 [ 38.881004][ T2629] bus_for_each_drv+0x15f/0x1e0 [ 38.886628][ T2629] ? bus_for_each_dev+0x1d0/0x1d0 [ 38.891744][ T2629] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 38.897747][ T2629] ? trace_hardirqs_on+0x5b/0x1a0 [ 38.903220][ T2629] __device_attach+0x228/0x4c0 [ 38.908280][ T2629] ? __driver_attach_async_helper+0x380/0x380 [ 38.914372][ T2629] ? kobject_uevent_env+0x2bb/0x1680 [ 38.919747][ T2629] bus_probe_device+0x1e4/0x290 [ 38.924706][ T2629] device_add+0xbc4/0x1d90 [ 38.929350][ T2629] ? wait_for_completion_io+0x270/0x270 [ 38.934928][ T2629] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 38.941284][ T2629] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 38.947281][ T2629] ? _raw_spin_unlock_irqrestore+0x34/0x40 [ 38.953120][ T2629] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 38.959377][ T2629] usb_set_configuration+0x113c/0x1910 [ 38.964840][ T2629] usb_generic_driver_probe+0xba/0x100 [ 38.970591][ T2629] usb_probe_device+0xd9/0x2c0 [ 38.975540][ T2629] ? usb_driver_release_interface+0x180/0x180 [ 38.981611][ T2629] really_probe+0x2b1/0xe40 [ 38.987970][ T2629] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 38.994735][ T2629] driver_probe_device+0x285/0x3f0 [ 38.999843][ T2629] __device_attach_driver+0x216/0x2d0 [ 39.005608][ T2629] ? driver_allows_async_probing+0x170/0x170 [ 39.011591][ T2629] bus_for_each_drv+0x15f/0x1e0 [ 39.016435][ T2629] ? bus_for_each_dev+0x1d0/0x1d0 [ 39.021469][ T2629] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 39.027597][ T2629] ? trace_hardirqs_on+0x5b/0x1a0 [ 39.033070][ T2629] __device_attach+0x228/0x4c0 [ 39.038182][ T2629] ? __driver_attach_async_helper+0x380/0x380 [ 39.044249][ T2629] ? kobject_uevent_env+0x2bb/0x1680 [ 39.049522][ T2629] bus_probe_device+0x1e4/0x290 [ 39.054360][ T2629] device_add+0xbc4/0x1d90 [ 39.058768][ T2629] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 39.065002][ T2629] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 39.071687][ T2629] usb_new_device.cold+0x725/0x1057 [ 39.077061][ T2629] ? hub_disconnect+0x510/0x510 [ 39.081924][ T2629] ? rwlock_bug.part.0+0x90/0x90 [ 39.086966][ T2629] ? lockdep_hardirqs_on_prepare+0x286/0x3f0 [ 39.093046][ T2629] hub_event+0x2348/0x42d0 [ 39.097466][ T2629] ? hub_port_debounce+0x3b0/0x3b0 [ 39.102815][ T2629] ? __lock_acquire+0x641/0x54a0 [ 39.107775][ T2629] ? worker_detach_from_pool+0x90/0x310 [ 39.113490][ T2629] ? lock_release+0x6e0/0x6e0 [ 39.118181][ T2629] ? lock_downgrade+0x6d0/0x6d0 [ 39.123056][ T2629] ? do_raw_spin_lock+0x120/0x2b0 [ 39.128082][ T2629] process_one_work+0x98d/0x15c0 [ 39.133045][ T2629] ? pwq_dec_nr_in_flight+0x320/0x320 [ 39.138423][ T2629] ? rwlock_bug.part.0+0x90/0x90 [ 39.143370][ T2629] worker_thread+0x64c/0x1120 [ 39.148042][ T2629] ? __kthread_parkme+0x118/0x1d0 [ 39.153085][ T2629] ? process_one_work+0x15c0/0x15c0 [ 39.159342][ T2629] kthread+0x38c/0x460 [ 39.163413][ T2629] ? _raw_spin_unlock_irq+0x1f/0x30 [ 39.168633][ T2629] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 39.175397][ T2629] ret_from_fork+0x1f/0x30 [ 39.180851][ T2629] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin [ 39.236247][ T2629] usb 1-1: USB disconnect, device number 2 [ 39.284160][ T17] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw_TMSC.bin failed with error -2 [ 39.305846][ T17] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw.bin failed with error -2 [ 39.315365][ T17] rtlwifi: Loading alternative firmware rtlwifi/rtl8192cufw.bin [ 39.323184][ T17] rtlwifi: Selected firmware is not available [ 39.741374][ T2629] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 40.101422][ T2629] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 40.111446][ T2629] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 40.121250][ T2629] usb 1-1: New USB device found, idVendor=0bda, idProduct=317f, bcdDevice=9d.cc [ 40.130288][ T2629] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.140903][ T2629] usb 1-1: config 0 descriptor?? [ 40.401273][ T2629] rtl8192cu: Chip version 0x0 executing program [ 41.021098][ T2629] rtl_usb: reg 0xfe48, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 [ 41.030234][ T2629] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1 [ 41.037618][ T2629] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin [ 41.068871][ T2629] usb 1-1: USB disconnect, device number 3 [ 41.077091][ T4437] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw_TMSC.bin failed with error -2 [ 41.087268][ T4437] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw.bin failed with error -2 [ 41.096658][ T4437] rtlwifi: Loading alternative firmware rtlwifi/rtl8192cufw.bin [ 41.104768][ T4437] rtlwifi: Selected firmware is not available [ 41.550855][ T2629] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 41.910885][ T2629] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 41.921392][ T2629] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 41.932261][ T2629] usb 1-1: New USB device found, idVendor=0bda, idProduct=317f, bcdDevice=9d.cc [ 41.941410][ T2629] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 41.951198][ T2629] usb 1-1: config 0 descriptor?? [ 42.210807][ T2629] rtl8192cu: Chip version 0x0 executing program [ 42.850579][ T2629] rtl_usb: reg 0xfe48, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 [ 42.859563][ T2629] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1 [ 42.867336][ T2629] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin [ 42.911245][ T2629] usb 1-1: USB disconnect, device number 4 [ 42.918836][ T4437] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw_TMSC.bin failed with error -2 [ 42.936053][ T4437] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw.bin failed with error -2 [ 42.945752][ T4437] rtlwifi: Loading alternative firmware rtlwifi/rtl8192cufw.bin [ 42.953840][ T4437] rtlwifi: Selected firmware is not available [ 43.390449][ T2629] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 43.750527][ T2629] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 43.760380][ T2629] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 43.770349][ T2629] usb 1-1: New USB device found, idVendor=0bda, idProduct=317f, bcdDevice=9d.cc [ 43.779482][ T2629] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 43.789899][ T2629] usb 1-1: config 0 descriptor?? [ 44.050429][ T2629] rtl8192cu: Chip version 0x0 executing program [ 44.680229][ T2629] rtl_usb: reg 0xfe48, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 [ 44.689621][ T2629] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1 [ 44.697054][ T2629] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin [ 44.728571][ T2629] usb 1-1: USB disconnect, device number 5 [ 44.737401][ T4437] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw_TMSC.bin failed with error -2 [ 44.755270][ T4437] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw.bin failed with error -2 [ 44.765643][ T4437] rtlwifi: Loading alternative firmware rtlwifi/rtl8192cufw.bin [ 44.773642][ T4437] rtlwifi: Selected firmware is not available [ 45.220068][ T2629] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 45.600106][ T2629] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 45.609941][ T2629] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 45.619993][ T2629] usb 1-1: New USB device found, idVendor=0bda, idProduct=317f, bcdDevice=9d.cc [ 45.629071][ T2629] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 45.642438][ T2629] usb 1-1: config 0 descriptor?? [ 45.900023][ T2629] rtl8192cu: Chip version 0x0 executing program [ 46.519864][ T2629] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1 [ 46.526927][ T2629] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin [ 46.546190][ T2629] usb 1-1: USB disconnect, device number 6 [ 46.553696][ T4437] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw_TMSC.bin failed with error -2 [ 46.569900][ T4437] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw.bin failed with error -2 [ 46.592596][ T4437] rtlwifi: Loading alternative firmware rtlwifi/rtl8192cufw.bin [ 46.600593][ T4437] rtlwifi: Selected firmware is not available [ 47.059699][ T2629] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 47.419757][ T2629] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 47.429615][ T2629] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xE has invalid wMaxPacketSize 0 [ 47.439296][ T2629] usb 1-1: New USB device found, idVendor=0bda, idProduct=317f, bcdDevice=9d.cc [ 47.448448][ T2629] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 47.460661][ T2629] usb 1-1: config 0 descriptor?? [ 47.729670][ T2629] rtl8192cu: Chip version 0x0 executing program [ 48.349553][ T2629] rtl_usb: rx_max_size 15360, rx_urb_num 8, in_ep 1 [ 48.356861][ T2629] rtl8192cu: Loading firmware rtlwifi/rtl8192cufw_TMSC.bin [ 48.392715][ T2629] usb 1-1: USB disconnect, device number 7 [ 48.410897][ T4437] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw_TMSC.bin failed with error -2 [ 48.420903][ T4437] usb 1-1: Direct firmware load for rtlwifi/rtl8192cufw.bin failed with error -2 [ 48.439874][ T4437] rtlwifi: Loading alternative firmware rtlwifi/rtl8192cufw.bin [ 48.447657][ T4437] rtlwifi: Selected firmware is not available