rtl_usb: reg 0xf0, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 rtl8192cu: Chip version 0x10 usb 2-1: device descriptor read/64, error 18 rtl_usb: reg 0xa, usbctrl_vendorreq TimeOut! status:0xffffffb9 value=0x0 rtl_usb: Too few input end points found INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 532 Comm: kworker/1:2 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xe8/0x16e lib/dump_stack.c:113 assign_lock_key kernel/locking/lockdep.c:786 [inline] register_lock_class+0x11b8/0x1250 kernel/locking/lockdep.c:1095 __lock_acquire+0xfb/0x37c0 kernel/locking/lockdep.c:3582 lock_acquire+0x10d/0x2f0 kernel/locking/lockdep.c:4211 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x44/0x60 kernel/locking/spinlock.c:152 rtl_c2hcmd_launcher+0xd1/0x390 drivers/net/wireless/realtek/rtlwifi/base.c:2344 rtl_deinit_core+0x25/0x2d0 drivers/net/wireless/realtek/rtlwifi/base.c:574 rtl_usb_probe.cold+0x861/0xa70 drivers/net/wireless/realtek/rtlwifi/usb.c:1093 usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021 generic_probe+0xa2/0xda drivers/usb/core/generic.c:210 usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534 hub_port_connect drivers/usb/core/hub.c:5089 [inline] hub_port_connect_change drivers/usb/core/hub.c:5204 [inline] port_event drivers/usb/core/hub.c:5350 [inline] hub_event+0x138e/0x3b00 drivers/usb/core/hub.c:5432 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415 kthread+0x313/0x420 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN PTI CPU: 1 PID: 532 Comm: kworker/1:2 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:rtl_free_entries_from_scan_list drivers/net/wireless/realtek/rtlwifi/base.c:1933 [inline] RIP: 0010:rtl_deinit_core+0x84/0x2d0 drivers/net/wireless/realtek/rtlwifi/base.c:575 Code: 4c 89 f2 48 c1 ea 03 80 3c 02 00 0f 85 52 02 00 00 4d 8b bc 24 c8 c4 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 22 02 00 00 4d 39 f7 4d 8b 2f 4c 89 ff 0f 84 3d RSP: 0018:ffff88809f7af278 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc9000f579000 RDX: 0000000000000000 RSI: ffffffff88da7445 RDI: ffff88806fa30b68 RBP: ffff88806fa30b20 R08: ffff88809f7a4980 R09: ffffed100df4651d R10: ffffed100df4651c R11: ffff88806fa328e3 R12: ffff88806fa32540 R13: ffff88808ea6c728 R14: ffff88806fa3ea08 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ad100000(0000) knlGS:0000000000000000 usb 6-1: new low-speed USB device number 4 using dummy_hcd CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f268c7cafbc CR3: 00000000980b8000 CR4: 00000000001406e0 usb 2-1: new high-speed USB device number 5 using dummy_hcd Call Trace: rtl_usb_probe.cold+0x861/0xa70 drivers/net/wireless/realtek/rtlwifi/usb.c:1093 usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb 6-1: Invalid ep0 maxpacket: 3 usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021 generic_probe+0xa2/0xda drivers/usb/core/generic.c:210 usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266 really_probe+0x2da/0xb10 drivers/base/dd.c:509 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454 __device_attach+0x223/0x3a0 drivers/base/dd.c:844 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514 device_add+0xad2/0x16e0 drivers/base/core.c:2106 usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534 hub_port_connect drivers/usb/core/hub.c:5089 [inline] hub_port_connect_change drivers/usb/core/hub.c:5204 [inline] port_event drivers/usb/core/hub.c:5350 [inline] hub_event+0x138e/0x3b00 drivers/usb/core/hub.c:5432 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415 kthread+0x313/0x420 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 3f634e58393a285d ]--- usb 6-1: new low-speed USB device number 5 using dummy_hcd RIP: 0010:rtl_free_entries_from_scan_list drivers/net/wireless/realtek/rtlwifi/base.c:1933 [inline] RIP: 0010:rtl_deinit_core+0x84/0x2d0 drivers/net/wireless/realtek/rtlwifi/base.c:575 Code: 4c 89 f2 48 c1 ea 03 80 3c 02 00 0f 85 52 02 00 00 4d 8b bc 24 c8 c4 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 22 02 00 00 4d 39 f7 4d 8b 2f 4c 89 ff 0f 84 3d RSP: 0018:ffff88809f7af278 EFLAGS: 00010246 usb 2-1: Invalid ep0 maxpacket: 512 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc9000f579000 RDX: 0000000000000000 RSI: ffffffff88da7445 RDI: ffff88806fa30b68 RBP: ffff88806fa30b20 R08: ffff88809f7a4980 R09: ffffed100df4651d usb usb2-port1: unable to enumerate USB device R10: ffffed100df4651c R11: ffff88806fa328e3 R12: ffff88806fa32540 R13: ffff88808ea6c728 R14: ffff88806fa3ea08 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ad100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f268c7cafbc CR3: 00000000980b8000 CR4: 00000000001406e0