[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 14.560330][ C1] random: crng init done [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.212' (ECDSA) to the list of known hosts. syzkaller login: [ 46.205590][ T83] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 46.565207][ T83] usb 1-1: config 0 has an invalid interface number: 20 but max is 0 [ 46.573359][ T83] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 46.583746][ T83] usb 1-1: config 0 has no interface number 0 [ 46.589905][ T83] usb 1-1: config 0 interface 20 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 46.599924][ T83] usb 1-1: New USB device found, idVendor=1385, idProduct=5f00, bcdDevice=9a.11 [ 46.609058][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 46.618198][ T83] usb 1-1: config 0 descriptor?? [ 46.658837][ T83] ------------[ cut here ]------------ [ 46.664392][ T83] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 46.670476][ T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 46.680252][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 46.686904][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0+ #0 [ 46.693892][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.703943][ T83] Workqueue: usb_hub_wq hub_event [ 46.708988][ T83] Call Trace: [ 46.712260][ T83] dump_stack+0xca/0x13e [ 46.716478][ T83] ? usb_submit_urb+0x1100/0x13b0 [ 46.721486][ T83] panic+0x2a3/0x6da [ 46.725361][ T83] ? add_taint.cold+0x16/0x16 [ 46.730012][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 46.735267][ T83] ? __warn.cold+0x5/0x4a [ 46.739568][ T83] ? __warn+0xe3/0x1e0 [ 46.743609][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 46.748606][ T83] __warn.cold+0x20/0x4a [ 46.752824][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 46.757822][ T83] report_bug+0x262/0x2a0 [ 46.762123][ T83] do_error_trap+0x12b/0x1e0 [ 46.766685][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 46.771703][ T83] do_invalid_op+0x32/0x40 [ 46.776111][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 46.781119][ T83] invalid_op+0x23/0x30 [ 46.785260][ T83] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 46.790866][ T83] Code: 4d 85 ed 74 2c e8 98 59 ee fd 4c 89 f7 e8 10 4b 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 80 c2 18 86 e8 2d e5 c3 fd <0f> 0b e9 20 f4 ff ff e8 6c 59 ee fd 4c 89 f2 48 b8 00 00 00 00 00 [ 46.810470][ T83] RSP: 0000:ffff8881d93cf178 EFLAGS: 00010282 [ 46.816540][ T83] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 46.824497][ T83] RDX: 0000000000000000 RSI: ffffffff8128d9ad RDI: ffffed103b279e21 [ 46.832565][ T83] RBP: ffff8881d45b4980 R08: ffff8881d978c800 R09: fffffbfff11b35ae [ 46.840523][ T83] R10: fffffbfff11b35ad R11: ffffffff88d9ad6f R12: 0000000000000003 [ 46.848477][ T83] R13: ffff8881d21fadb0 R14: ffff8881d91511a0 R15: ffff8881d5dafd00 [ 46.857219][ T83] ? vprintk_func+0x7d/0x113 [ 46.861787][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 46.866798][ T83] ar5523_submit_rx_cmd+0x1fa/0x320 [ 46.871971][ T83] ar5523_probe+0xbb1/0x1a40 [ 46.876549][ T83] ? ar5523_data_rx_cb+0xce0/0xce0 [ 46.881632][ T83] ? __pm_runtime_set_status+0x5d5/0xa10 [ 46.887250][ T83] ? rpm_callback+0x230/0x230 [ 46.891909][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 46.897166][ T83] ? __pm_runtime_resume+0x111/0x180 [ 46.902435][ T83] usb_probe_interface+0x305/0x7a0 [ 46.907522][ T83] ? usb_probe_device+0x100/0x100 [ 46.912532][ T83] really_probe+0x281/0x6d0 [ 46.917008][ T83] driver_probe_device+0x101/0x1b0 [ 46.922098][ T83] __device_attach_driver+0x1c2/0x220 [ 46.927443][ T83] ? driver_allows_async_probing+0x160/0x160 [ 46.933495][ T83] bus_for_each_drv+0x162/0x1e0 [ 46.938320][ T83] ? bus_rescan_devices+0x20/0x20 [ 46.943328][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 46.949107][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 46.954365][ T83] __device_attach+0x217/0x360 [ 46.959104][ T83] ? device_bind_driver+0xd0/0xd0 [ 46.964109][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 46.970377][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 46.975642][ T83] bus_probe_device+0x1e4/0x290 [ 46.980519][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 46.986396][ T83] device_add+0xae6/0x16f0 [ 46.990801][ T83] ? uevent_store+0x50/0x50 [ 46.995288][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.001068][ T83] usb_set_configuration+0xdf6/0x1670 [ 47.006414][ T83] generic_probe+0x9d/0xd5 [ 47.010804][ T83] usb_probe_device+0x99/0x100 [ 47.015544][ T83] ? usb_suspend+0x620/0x620 [ 47.020107][ T83] really_probe+0x281/0x6d0 [ 47.024593][ T83] driver_probe_device+0x101/0x1b0 [ 47.029703][ T83] __device_attach_driver+0x1c2/0x220 [ 47.035048][ T83] ? driver_allows_async_probing+0x160/0x160 [ 47.041000][ T83] bus_for_each_drv+0x162/0x1e0 [ 47.045996][ T83] ? bus_rescan_devices+0x20/0x20 [ 47.050997][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 47.056804][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 47.062076][ T83] __device_attach+0x217/0x360 [ 47.066816][ T83] ? device_bind_driver+0xd0/0xd0 [ 47.071827][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 47.077083][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 47.082340][ T83] bus_probe_device+0x1e4/0x290 [ 47.087174][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 47.093051][ T83] device_add+0xae6/0x16f0 [ 47.097453][ T83] ? uevent_store+0x50/0x50 [ 47.101931][ T83] usb_new_device.cold+0x6a4/0xe79 [ 47.107017][ T83] hub_event+0x1b5c/0x3640 [ 47.111408][ T83] ? hub_port_debounce+0x260/0x260 [ 47.116493][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 47.122025][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 47.127285][ T83] process_one_work+0x92b/0x1530 [ 47.132198][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 47.137541][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 47.142536][ T83] worker_thread+0x96/0xe20 [ 47.147012][ T83] ? process_one_work+0x1530/0x1530 [ 47.152182][ T83] kthread+0x318/0x420 [ 47.156224][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 47.161570][ T83] ret_from_fork+0x24/0x30 [ 47.166814][ T83] Kernel Offset: disabled [ 47.171181][ T83] Rebooting in 86400 seconds..