Starting Update UTMP about System Runlevel Changes... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. [ 13.054357][ C1] random: crng init done [ 13.058657][ C1] random: 7 urandom warning(s) missed due to ratelimiting Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.154' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 78.033089][ T5] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 78.393080][ T5] usb 1-1: config 0 has an invalid interface number: 85 but max is 0 [ 78.401233][ T5] usb 1-1: config 0 has no interface number 0 [ 78.407748][ T5] usb 1-1: config 0 interface 85 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 78.417665][ T5] usb 1-1: New USB device found, idVendor=10cf, idProduct=5501, bcdDevice=59.b1 [ 78.426761][ T5] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 78.436934][ T5] usb 1-1: config 0 descriptor?? [ 78.479555][ T5] ------------[ cut here ]------------ [ 78.485394][ T5] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 78.491532][ T5] WARNING: CPU: 0 PID: 5 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 78.500983][ T5] Kernel panic - not syncing: panic_on_warn set ... [ 78.507554][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.7.0-rc1-syzkaller #0 [ 78.515689][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.525865][ T5] Workqueue: usb_hub_wq hub_event [ 78.531142][ T5] Call Trace: [ 78.534445][ T5] dump_stack+0xef/0x16e [ 78.538864][ T5] ? usb_submit_urb+0x10f0/0x1460 [ 78.543876][ T5] panic+0x2aa/0x6e1 [ 78.547748][ T5] ? add_taint.cold+0x16/0x16 [ 78.552465][ T5] ? __probe_kernel_read+0x188/0x1d0 [ 78.557952][ T5] ? __warn.cold+0x14/0x30 [ 78.562438][ T5] ? __warn+0xd5/0x1c8 [ 78.566628][ T5] ? usb_submit_urb+0x1188/0x1460 [ 78.571803][ T5] __warn.cold+0x2f/0x30 [ 78.576109][ T5] ? usb_submit_urb+0x1188/0x1460 [ 78.581127][ T5] report_bug+0x27b/0x2f0 [ 78.585465][ T5] do_error_trap+0x12b/0x1e0 [ 78.590050][ T5] ? usb_submit_urb+0x1188/0x1460 [ 78.595049][ T5] do_invalid_op+0x32/0x40 [ 78.599441][ T5] ? usb_submit_urb+0x1188/0x1460 [ 78.604443][ T5] invalid_op+0x23/0x30 [ 78.608575][ T5] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 78.614183][ T5] Code: 4d 85 ed 74 46 e8 38 c2 d2 fd 4c 89 f7 e8 70 ac 16 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 52 3d 86 e8 40 96 a6 fd <0f> 0b e9 20 f4 ff ff e8 0c c2 d2 fd 0f 1f 44 00 00 e8 02 c2 d2 fd [ 78.633781][ T5] RSP: 0018:ffff8881da1d6f58 EFLAGS: 00010282 [ 78.639853][ T5] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 78.647924][ T5] RDX: 0000000000000000 RSI: ffffffff812a2d8d RDI: ffffed103b43addd [ 78.656512][ T5] RBP: ffff8881d97c5b00 R08: ffff8881da19e300 R09: ffffed103b6443c9 [ 78.664486][ T5] R10: ffff8881db221e43 R11: ffffed103b6443c8 R12: 0000000000000001 [ 78.672455][ T5] R13: ffff8881d9975ca8 R14: ffff8881cd7f90a0 R15: ffff8881d97c5d00 [ 78.680614][ T5] ? vprintk_func+0x7d/0x113 [ 78.685215][ T5] ? usb_submit_urb+0x1188/0x1460 [ 78.690217][ T5] ? lockdep_init_map_waits+0x222/0x7c0 [ 78.695739][ T5] usb_start_wait_urb+0x101/0x4c0 [ 78.700760][ T5] ? sg_clean+0x230/0x230 [ 78.705094][ T5] ? kasan_unpoison_shadow+0x30/0x40 [ 78.710365][ T5] ? memset+0x20/0x40 [ 78.714331][ T5] usb_bulk_msg+0x228/0x550 [ 78.718827][ T5] vmk80xx_write_packet+0x1df/0x260 [ 78.724005][ T5] vmk80xx_auto_attach+0x13ee/0x1800 [ 78.729301][ T5] comedi_auto_config+0x16e/0x250 [ 78.734335][ T5] usb_probe_interface+0x310/0x800 [ 78.739432][ T5] ? usb_probe_device+0x230/0x230 [ 78.744437][ T5] really_probe+0x290/0xac0 [ 78.748918][ T5] driver_probe_device+0x223/0x350 [ 78.754005][ T5] __device_attach_driver+0x1d1/0x290 [ 78.759388][ T5] ? driver_allows_async_probing+0x160/0x160 [ 78.765446][ T5] bus_for_each_drv+0x162/0x1e0 [ 78.770298][ T5] ? bus_rescan_devices+0x20/0x20 [ 78.775315][ T5] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 78.781097][ T5] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 78.786363][ T5] __device_attach+0x21a/0x390 [ 78.791121][ T5] ? device_bind_driver+0xd0/0xd0 [ 78.796122][ T5] bus_probe_device+0x1e4/0x290 [ 78.800950][ T5] device_add+0x1367/0x1c20 [ 78.805442][ T5] ? wait_for_completion+0x280/0x280 [ 78.810714][ T5] ? device_link_remove+0x110/0x110 [ 78.815887][ T5] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 78.821688][ T5] usb_set_configuration+0xed4/0x1850 [ 78.827041][ T5] usb_generic_driver_probe+0x9d/0xe0 [ 78.832391][ T5] usb_probe_device+0xd9/0x230 [ 78.837131][ T5] ? usb_suspend+0x600/0x600 [ 78.842493][ T5] really_probe+0x290/0xac0 [ 78.846989][ T5] driver_probe_device+0x223/0x350 [ 78.852076][ T5] __device_attach_driver+0x1d1/0x290 [ 78.857426][ T5] ? driver_allows_async_probing+0x160/0x160 [ 78.863398][ T5] bus_for_each_drv+0x162/0x1e0 [ 78.868225][ T5] ? bus_rescan_devices+0x20/0x20 [ 78.873244][ T5] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 78.879026][ T5] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 78.884285][ T5] __device_attach+0x21a/0x390 [ 78.889112][ T5] ? device_bind_driver+0xd0/0xd0 [ 78.894110][ T5] bus_probe_device+0x1e4/0x290 [ 78.898950][ T5] device_add+0x1367/0x1c20 [ 78.903428][ T5] ? device_link_remove+0x110/0x110 [ 78.908617][ T5] usb_new_device.cold+0x552/0xf6e [ 78.913706][ T5] ? hub_disconnect+0x4a0/0x4a0 [ 78.918530][ T5] ? mark_held_locks+0x9f/0xe0 [ 78.923269][ T5] ? _raw_spin_unlock_irq+0x1f/0x30 [ 78.928458][ T5] hub_event+0x226d/0x43c0 [ 78.932872][ T5] ? hub_port_debounce+0x350/0x350 [ 78.937966][ T5] ? umh_clean_and_save_pid+0x1/0xd0 [ 78.943232][ T5] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.948757][ T5] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 78.954019][ T5] ? _raw_spin_unlock_irq+0x1f/0x30 [ 78.959207][ T5] process_one_work+0x965/0x1630 [ 78.964120][ T5] ? lock_release+0x720/0x720 [ 78.968770][ T5] ? pwq_dec_nr_in_flight+0x310/0x310 [ 78.974117][ T5] ? rwlock_bug.part.0+0x90/0x90 [ 78.979028][ T5] worker_thread+0x96/0xe20 [ 78.983507][ T5] ? process_one_work+0x1630/0x1630 [ 78.988696][ T5] kthread+0x326/0x430 [ 78.992750][ T5] ? kthread_create_on_node+0xf0/0xf0 [ 78.998128][ T5] ret_from_fork+0x24/0x30 [ 79.003457][ T5] Kernel Offset: disabled [ 79.007830][ T5] Rebooting in 86400 seconds..