Warning: Permanently added '10.128.10.24' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 45.067272][ T21] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 45.427333][ T21] usb 1-1: config 4 has an invalid interface number: 155 but max is 0 [ 45.436566][ T21] usb 1-1: config 4 has no interface number 0 [ 45.442742][ T21] usb 1-1: New USB device found, idVendor=083a, idProduct=e501, bcdDevice=bf.22 [ 45.452124][ T21] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 45.647263][ T21] usb 1-1: reset full-speed USB device number 2 using dummy_hcd [ 46.117157][ T21] usb 1-1: device descriptor read/64, error -71 executing program [ 46.817286][ T21] usb 1-1: read over firmware interface failed: -71 [ 47.187181][ T21] usb 1-1: reset full-speed USB device number 2 using dummy_hcd [ 47.547516][ T21] WARNING: CPU: 1 PID: 21 at drivers/net/wireless/zydas/zd1211rw/zd_mac.c:226 zd_mac_clear+0xbd/0xe0 [ 47.559157][ T21] Kernel panic - not syncing: panic_on_warn set ... [ 47.566188][ T21] CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #14 [ 47.574490][ T21] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.585262][ T21] Workqueue: usb_hub_wq hub_event [ 47.590904][ T21] Call Trace: [ 47.594351][ T21] dump_stack+0xca/0x13e [ 47.599334][ T21] ? zd_mac_init_hw+0x3b0/0x3d0 [ 47.604943][ T21] panic+0x292/0x6c9 [ 47.608976][ T21] ? __warn_printk+0xf3/0xf3 [ 47.614156][ T21] ? zd_mac_clear+0xbd/0xe0 [ 47.618697][ T21] ? __probe_kernel_read+0x16c/0x1b0 [ 47.624813][ T21] ? __warn.cold+0x5/0x4b [ 47.629162][ T21] ? __warn+0xe4/0x1c0 [ 47.634526][ T21] ? zd_mac_clear+0xbd/0xe0 [ 47.639338][ T21] __warn.cold+0x20/0x4b [ 47.644009][ T21] ? lock_downgrade+0x630/0x630 [ 47.649808][ T21] ? zd_mac_clear+0xbd/0xe0 [ 47.654473][ T21] report_bug+0x262/0x2a0 [ 47.659062][ T21] do_error_trap+0x12b/0x1e0 [ 47.664552][ T21] ? zd_mac_clear+0xbd/0xe0 [ 47.669438][ T21] do_invalid_op+0x32/0x40 [ 47.674605][ T21] ? zd_mac_clear+0xbd/0xe0 [ 47.679199][ T21] invalid_op+0x14/0x20 [ 47.683361][ T21] RIP: 0010:zd_mac_clear+0xbd/0xe0 [ 47.689185][ T21] Code: e8 f8 7e 03 fe 48 8d bd f8 2b 00 00 be ff ff ff ff e8 b7 bf ea fd 31 ff 89 c3 89 c6 e8 4c 80 03 fe 85 db 75 c2 e8 d3 7e 03 fe <0f> 0b eb b9 48 c7 c7 34 14 ad 87 e8 73 6f 29 fe eb 98 48 c7 c7 80 [ 47.709902][ T21] RSP: 0018:ffff8881d9eff1b8 EFLAGS: 00010293 [ 47.716861][ T21] RAX: ffff8881d9e36000 RBX: 0000000000000000 RCX: ffffffff83395cd4 [ 47.725714][ T21] RDX: 0000000000000000 RSI: ffffffff83395cdd RDI: 0000000000000005 [ 47.734008][ T21] RBP: ffff8881cf202560 R08: ffff8881d9e36000 R09: ffff8881cf202560 [ 47.742952][ T21] R10: ffffed1039e40a27 R11: ffff8881cf20513f R12: ffff8881cf200b20 [ 47.747958][ T1784] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 47.752002][ T21] R13: 1ffff1103b3dfe3c R14: 00000000ffffffb9 R15: ffffffff86154558 [ 47.752040][ T21] ? zd_mac_clear+0xb4/0xe0 [ 47.760838][ T1784] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 47.769820][ T21] ? zd_mac_clear+0xbd/0xe0 [ 47.788013][ T21] ? zd_mac_clear+0xbd/0xe0 [ 47.793172][ T21] probe.cold+0x3ef/0x4a8 [ 47.798342][ T21] ? post_reset+0x150/0x150 [ 47.804010][ T21] ? wait_for_completion+0x3c0/0x3c0 [ 47.810791][ T21] usb_probe_interface+0x305/0x7a0 [ 47.816665][ T21] ? usb_probe_device+0x100/0x100 [ 47.822250][ T21] really_probe+0x281/0x660 [ 47.826984][ T21] driver_probe_device+0x104/0x210 [ 47.832559][ T21] __device_attach_driver+0x1c2/0x220 [ 47.838259][ T21] ? driver_allows_async_probing+0x160/0x160 [ 47.844487][ T21] bus_for_each_drv+0x15c/0x1e0 [ 47.849385][ T21] ? bus_rescan_devices+0x20/0x20 [ 47.854495][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.861517][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 47.867055][ T21] __device_attach+0x217/0x360 [ 47.871991][ T21] ? device_bind_driver+0xd0/0xd0 [ 47.877771][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 47.883460][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 47.889622][ T21] bus_probe_device+0x1e4/0x290 [ 47.895115][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 47.901285][ T21] device_add+0xae6/0x16f0 [ 47.906272][ T21] ? uevent_store+0x50/0x50 [ 47.911508][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.917769][ T21] usb_set_configuration+0xdf6/0x1670 [ 47.923559][ T21] generic_probe+0x9d/0xd5 [ 47.928437][ T21] usb_probe_device+0x99/0x100 [ 47.933515][ T21] ? usb_suspend+0x620/0x620 [ 47.938318][ T21] really_probe+0x281/0x660 [ 47.943130][ T21] driver_probe_device+0x104/0x210 [ 47.948889][ T21] __device_attach_driver+0x1c2/0x220 [ 47.955006][ T21] ? driver_allows_async_probing+0x160/0x160 [ 47.961600][ T21] bus_for_each_drv+0x15c/0x1e0 [ 47.966608][ T21] ? bus_rescan_devices+0x20/0x20 [ 47.971625][ T21] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.977886][ T21] ? lockdep_hardirqs_on+0x379/0x580 [ 47.983321][ T21] __device_attach+0x217/0x360 [ 47.988372][ T21] ? device_bind_driver+0xd0/0xd0 [ 47.993935][ T21] ? kobject_uevent_env+0x29e/0x1150 [ 47.999893][ T21] ? kobject_uevent_env+0x2a8/0x1150 [ 48.005791][ T21] bus_probe_device+0x1e4/0x290 [ 48.010943][ T21] ? blocking_notifier_call_chain+0x54/0xa0 [ 48.017441][ T21] device_add+0xae6/0x16f0 [ 48.022644][ T21] ? uevent_store+0x50/0x50 [ 48.027669][ T21] usb_new_device.cold+0x8c1/0x1016 [ 48.033356][ T21] ? usb_port_suspend+0xa40/0xa40 [ 48.038642][ T21] ? mark_held_locks+0x9f/0xe0 [ 48.044031][ T21] ? _raw_spin_unlock_irq+0x24/0x30 [ 48.049553][ T21] hub_event+0x1b3d/0x35f0 [ 48.054286][ T21] ? hub_port_debounce+0x260/0x260 [ 48.059591][ T21] process_one_work+0x905/0x1570 [ 48.065307][ T21] ? pwq_dec_nr_in_flight+0x310/0x310 [ 48.071038][ T21] ? do_raw_spin_lock+0x11a/0x280 [ 48.086310][ T21] worker_thread+0x96/0xe20 [ 48.091142][ T21] ? process_one_work+0x1570/0x1570 [ 48.096607][ T21] kthread+0x30b/0x410 [ 48.101345][ T21] ? kthread_park+0x1a0/0x1a0 [ 48.106111][ T21] ret_from_fork+0x24/0x30 [ 48.111555][ T21] Kernel Offset: disabled [ 48.116250][ T21] Rebooting in 86400 seconds..