Warning: Permanently added '10.128.0.93' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 29.125531][ T94] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 29.485626][ T94] usb 1-1: config 0 has an invalid interface number: 85 but max is 0 [ 29.493785][ T94] usb 1-1: config 0 has no interface number 0 [ 29.499953][ T94] usb 1-1: config 0 interface 85 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 29.509824][ T94] usb 1-1: New USB device found, idVendor=10cf, idProduct=5501, bcdDevice=59.b1 [ 29.518879][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.528637][ T94] usb 1-1: config 0 descriptor?? [ 29.569519][ T94] ------------[ cut here ]------------ [ 29.575120][ T94] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 29.581244][ T94] WARNING: CPU: 1 PID: 94 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 29.590690][ T94] Kernel panic - not syncing: panic_on_warn set ... [ 29.597254][ T94] CPU: 1 PID: 94 Comm: kworker/1:2 Not tainted 5.5.0-rc6-syzkaller #0 [ 29.605433][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.615475][ T94] Workqueue: usb_hub_wq hub_event [ 29.620473][ T94] Call Trace: [ 29.623738][ T94] dump_stack+0xef/0x16e [ 29.627957][ T94] ? usb_submit_urb+0x1110/0x1460 [ 29.632991][ T94] panic+0x2aa/0x6e1 [ 29.636861][ T94] ? add_taint.cold+0x16/0x16 [ 29.641512][ T94] ? __probe_kernel_read+0x188/0x1d0 [ 29.646769][ T94] ? __warn.cold+0x14/0x30 [ 29.651168][ T94] ? __warn+0xd5/0x1c8 [ 29.655225][ T94] ? usb_submit_urb+0x1188/0x1460 [ 29.660233][ T94] __warn.cold+0x2f/0x30 [ 29.664521][ T94] ? usb_submit_urb+0x1188/0x1460 [ 29.669529][ T94] report_bug+0x27b/0x2f0 [ 29.673968][ T94] do_error_trap+0x12b/0x1e0 [ 29.678647][ T94] ? usb_submit_urb+0x1188/0x1460 [ 29.683749][ T94] do_invalid_op+0x32/0x40 [ 29.688189][ T94] ? usb_submit_urb+0x1188/0x1460 [ 29.693199][ T94] invalid_op+0x23/0x30 [ 29.697332][ T94] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 29.702962][ T94] Code: 4d 85 ed 74 46 e8 a8 1c e1 fd 4c 89 f7 e8 90 87 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 60 27 3b 86 e8 30 03 b6 fd <0f> 0b e9 20 f4 ff ff e8 7c 1c e1 fd 0f 1f 44 00 00 e8 72 1c e1 fd [ 29.722544][ T94] RSP: 0018:ffff8881d5d4f030 EFLAGS: 00010282 [ 29.728679][ T94] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 29.736638][ T94] RDX: 0000000000000000 RSI: ffffffff8129598d RDI: ffffed103aba9df8 [ 29.744591][ T94] RBP: ffff8881d44e0b00 R08: ffff8881d5d40000 R09: fffffbfff1269cb6 [ 29.752542][ T94] R10: fffffbfff1269cb5 R11: ffffffff8934e5af R12: 0000000000000001 [ 29.760526][ T94] R13: ffff8881cfa9e960 R14: ffff8881ce2e60a0 R15: ffff8881d4afc100 [ 29.768485][ T94] ? vprintk_func+0x7d/0x113 [ 29.773057][ T94] usb_start_wait_urb+0x108/0x4c0 [ 29.778060][ T94] ? sg_clean+0x230/0x230 [ 29.782369][ T94] ? kasan_unpoison_shadow+0x30/0x40 [ 29.787640][ T94] ? memset+0x20/0x40 [ 29.791597][ T94] usb_bulk_msg+0x228/0x550 [ 29.796085][ T94] vmk80xx_write_packet+0x1df/0x260 [ 29.801260][ T94] vmk80xx_auto_attach+0x13b1/0x17c0 [ 29.806522][ T94] comedi_auto_config+0x16e/0x250 [ 29.811521][ T94] usb_probe_interface+0x310/0x800 [ 29.816612][ T94] ? usb_probe_device+0x140/0x140 [ 29.821616][ T94] really_probe+0x290/0xad0 [ 29.826094][ T94] driver_probe_device+0x223/0x350 [ 29.831187][ T94] __device_attach_driver+0x1d1/0x290 [ 29.836536][ T94] ? driver_allows_async_probing+0x160/0x160 [ 29.842488][ T94] bus_for_each_drv+0x162/0x1e0 [ 29.847315][ T94] ? bus_rescan_devices+0x20/0x20 [ 29.852321][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.858106][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 29.863392][ T94] __device_attach+0x217/0x390 [ 29.868142][ T94] ? device_bind_driver+0xd0/0xd0 [ 29.873169][ T94] bus_probe_device+0x1e4/0x290 [ 29.878001][ T94] device_add+0x1459/0x1bf0 [ 29.882494][ T94] ? wait_for_completion+0x3c0/0x3c0 [ 29.887768][ T94] ? device_link_remove+0x110/0x110 [ 29.892942][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.898729][ T94] usb_set_configuration+0xe47/0x17d0 [ 29.904079][ T94] generic_probe+0x9d/0xd5 [ 29.908472][ T94] usb_probe_device+0xaf/0x140 [ 29.913251][ T94] ? usb_suspend+0x5f0/0x5f0 [ 29.917818][ T94] really_probe+0x290/0xad0 [ 29.922316][ T94] driver_probe_device+0x223/0x350 [ 29.927406][ T94] __device_attach_driver+0x1d1/0x290 [ 29.932754][ T94] ? driver_allows_async_probing+0x160/0x160 [ 29.938805][ T94] bus_for_each_drv+0x162/0x1e0 [ 29.943649][ T94] ? bus_rescan_devices+0x20/0x20 [ 29.948653][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.954438][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 29.959699][ T94] __device_attach+0x217/0x390 [ 29.964439][ T94] ? device_bind_driver+0xd0/0xd0 [ 29.969456][ T94] bus_probe_device+0x1e4/0x290 [ 29.974301][ T94] device_add+0x1459/0x1bf0 [ 29.978809][ T94] ? device_link_remove+0x110/0x110 [ 29.983993][ T94] usb_new_device.cold+0x540/0xcd0 [ 29.989083][ T94] hub_event+0x21cb/0x4300 [ 29.993476][ T94] ? hub_port_debounce+0x350/0x350 [ 29.998564][ T94] ? find_held_lock+0x2d/0x110 [ 30.003305][ T94] ? mark_held_locks+0xe0/0xe0 [ 30.008045][ T94] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 30.013601][ T94] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 30.018875][ T94] process_one_work+0x945/0x15c0 [ 30.023809][ T94] ? pwq_dec_nr_in_flight+0x310/0x310 [ 30.029165][ T94] ? do_raw_spin_lock+0x129/0x290 [ 30.034172][ T94] worker_thread+0x96/0xe20 [ 30.038660][ T94] ? process_one_work+0x15c0/0x15c0 [ 30.043924][ T94] kthread+0x318/0x420 [ 30.047976][ T94] ? kthread_create_on_node+0xf0/0xf0 [ 30.053331][ T94] ret_from_fork+0x24/0x30 [ 30.058430][ T94] Kernel Offset: disabled [ 30.062782][ T94] Rebooting in 86400 seconds..