Warning: Permanently added '10.128.15.230' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.693196][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 25.783259][ T95] usb 1-1: Using ep0 maxpacket: 16 [ 25.903278][ T95] usb 1-1: config index 0 descriptor too short (expected 7972, got 36) [ 25.911670][ T95] usb 1-1: config 0 has an invalid interface number: 128 but max is 0 [ 25.919915][ T95] usb 1-1: config 0 has no interface number 0 [ 25.926094][ T95] usb 1-1: config 0 interface 128 altsetting 0 endpoint 0x8F has invalid wMaxPacketSize 0 [ 25.936020][ T95] usb 1-1: config 0 interface 128 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 25.945970][ T95] usb 1-1: config 0 interface 128 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 1024 [ 25.956104][ T95] usb 1-1: New USB device found, idVendor=10cf, idProduct=5503, bcdDevice= 5.92 [ 25.965169][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.974945][ T95] usb 1-1: config 0 descriptor?? [ 25.993412][ T1791] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 26.017188][ T95] ------------[ cut here ]------------ [ 26.022794][ T95] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 26.028973][ T95] WARNING: CPU: 1 PID: 95 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 26.038468][ T95] Kernel panic - not syncing: panic_on_warn set ... [ 26.045044][ T95] CPU: 1 PID: 95 Comm: kworker/1:2 Not tainted 5.6.0-rc3-syzkaller #0 [ 26.053186][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.063239][ T95] Workqueue: usb_hub_wq hub_event [ 26.068243][ T95] Call Trace: [ 26.071519][ T95] dump_stack+0xef/0x16e [ 26.075785][ T95] ? usb_submit_urb+0x1090/0x1460 [ 26.080811][ T95] panic+0x2aa/0x6e1 [ 26.084690][ T95] ? add_taint.cold+0x16/0x16 [ 26.089346][ T95] ? __probe_kernel_read+0x188/0x1d0 [ 26.094618][ T95] ? __warn.cold+0x14/0x30 [ 26.099027][ T95] ? __warn+0xd5/0x1c8 [ 26.103080][ T95] ? usb_submit_urb+0x1188/0x1460 [ 26.108084][ T95] __warn.cold+0x2f/0x30 [ 26.112329][ T95] ? usb_submit_urb+0x1188/0x1460 [ 26.117334][ T95] report_bug+0x27b/0x2f0 [ 26.121644][ T95] do_error_trap+0x12b/0x1e0 [ 26.126224][ T95] ? usb_submit_urb+0x1188/0x1460 [ 26.131226][ T95] do_invalid_op+0x32/0x40 [ 26.135617][ T95] ? usb_submit_urb+0x1188/0x1460 [ 26.140638][ T95] invalid_op+0x23/0x30 [ 26.144777][ T95] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 26.150402][ T95] Code: 4d 85 ed 74 46 e8 18 ce dd fd 4c 89 f7 e8 d0 5c 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 e0 e7 3b 86 e8 a0 5f b2 fd <0f> 0b e9 20 f4 ff ff e8 ec cd dd fd 0f 1f 44 00 00 e8 e2 cd dd fd [ 26.170460][ T95] RSP: 0018:ffff8881d5977010 EFLAGS: 00010286 [ 26.176509][ T95] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 26.184479][ T95] RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103ab2edf4 [ 26.192450][ T95] RBP: ffff8881d4869d50 R08: ffff8881d7363100 R09: fffffbfff1266c96 [ 26.200423][ T95] R10: fffffbfff1266c95 R11: ffffffff893364af R12: 0000000000000001 [ 26.208373][ T95] R13: ffff8881d0e6b1e0 R14: ffff8881ce3cd0a0 R15: ffff8881d4869b00 [ 26.216330][ T95] ? vprintk_func+0x7d/0x113 [ 26.220914][ T95] usb_start_wait_urb+0x108/0x4c0 [ 26.225914][ T95] ? sg_clean+0x230/0x230 [ 26.230220][ T95] ? kasan_unpoison_shadow+0x30/0x40 [ 26.235482][ T95] ? memset+0x20/0x40 [ 26.239461][ T95] usb_bulk_msg+0x228/0x550 [ 26.243941][ T95] vmk80xx_write_packet+0x1df/0x260 [ 26.249123][ T95] vmk80xx_auto_attach+0x13b1/0x17c0 [ 26.254392][ T95] comedi_auto_config+0x16e/0x250 [ 26.259397][ T95] usb_probe_interface+0x310/0x800 [ 26.264505][ T95] ? usb_probe_device+0x230/0x230 [ 26.269539][ T95] really_probe+0x290/0xac0 [ 26.274044][ T95] driver_probe_device+0x223/0x350 [ 26.279169][ T95] __device_attach_driver+0x1d1/0x290 [ 26.284548][ T95] ? driver_allows_async_probing+0x160/0x160 [ 26.290543][ T95] bus_for_each_drv+0x162/0x1e0 [ 26.295429][ T95] ? bus_rescan_devices+0x20/0x20 [ 26.300451][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.306265][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 26.311532][ T95] __device_attach+0x217/0x390 [ 26.316293][ T95] ? device_bind_driver+0xd0/0xd0 [ 26.321301][ T95] bus_probe_device+0x1e4/0x290 [ 26.326139][ T95] device_add+0x1459/0x1bf0 [ 26.330628][ T95] ? wait_for_completion+0x3c0/0x3c0 [ 26.335898][ T95] ? device_link_remove+0x110/0x110 [ 26.341091][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.346888][ T95] usb_set_configuration+0xe47/0x17d0 [ 26.352250][ T95] usb_generic_driver_probe+0x9d/0xe0 [ 26.357611][ T95] usb_probe_device+0xd9/0x230 [ 26.362365][ T95] ? usb_suspend+0x5f0/0x5f0 [ 26.366929][ T95] really_probe+0x290/0xac0 [ 26.371406][ T95] driver_probe_device+0x223/0x350 [ 26.376930][ T95] __device_attach_driver+0x1d1/0x290 [ 26.382289][ T95] ? driver_allows_async_probing+0x160/0x160 [ 26.388244][ T95] bus_for_each_drv+0x162/0x1e0 [ 26.393084][ T95] ? bus_rescan_devices+0x20/0x20 [ 26.398098][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.403900][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 26.409213][ T95] __device_attach+0x217/0x390 [ 26.413994][ T95] ? device_bind_driver+0xd0/0xd0 [ 26.419118][ T95] bus_probe_device+0x1e4/0x290 [ 26.423981][ T95] device_add+0x1459/0x1bf0 [ 26.428464][ T95] ? device_link_remove+0x110/0x110 [ 26.433639][ T95] usb_new_device.cold+0x540/0xcd0 [ 26.438736][ T95] hub_event+0x21cb/0x4300 [ 26.443138][ T95] ? hub_port_debounce+0x350/0x350 [ 26.448249][ T95] ? find_held_lock+0x2d/0x110 [ 26.452991][ T95] ? mark_held_locks+0xe0/0xe0 [ 26.457735][ T95] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.463256][ T95] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.468533][ T95] process_one_work+0x94b/0x1620 [ 26.473516][ T95] ? pwq_dec_nr_in_flight+0x310/0x310 [ 26.478875][ T95] ? do_raw_spin_lock+0x129/0x290 [ 26.483875][ T95] worker_thread+0x96/0xe20 [ 26.488353][ T95] ? process_one_work+0x1620/0x1620 [ 26.493534][ T95] kthread+0x318/0x420 [ 26.497751][ T95] ? kthread_create_on_node+0xf0/0xf0 [ 26.503106][ T95] ret_from_fork+0x24/0x30 [ 26.507975][ T95] Kernel Offset: disabled [ 26.512331][ T95] Rebooting in 86400 seconds..