Warning: Permanently added '10.128.0.34' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.462435][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 25.702383][ T12] usb 1-1: Using ep0 maxpacket: 16 [ 25.822476][ T12] usb 1-1: config 255 has an invalid interface number: 186 but max is 0 [ 25.832949][ T12] usb 1-1: config 255 has no interface number 0 [ 25.839200][ T12] usb 1-1: config 255 interface 186 altsetting 7 endpoint 0x2 has invalid maxpacket 527, setting to 64 [ 25.850253][ T12] usb 1-1: config 255 interface 186 altsetting 7 endpoint 0x9 has invalid maxpacket 731, setting to 64 [ 25.861358][ T12] usb 1-1: config 255 interface 186 altsetting 7 has a duplicate endpoint with address 0xD, skipping [ 25.872285][ T12] usb 1-1: config 255 interface 186 has no altsetting 0 [ 26.112447][ T12] usb 1-1: string descriptor 0 read error: -22 [ 26.118676][ T12] usb 1-1: New USB device found, idVendor=0711, idProduct=0903, bcdDevice= a.13 [ 26.127762][ T12] usb 1-1: New USB device strings: Mfr=2, Product=0, SerialNumber=8 [ 26.174516][ T12] usb 1-1: USB2VGA dongle found at address 2 [ 26.183731][ T12] usb 1-1: Allocated 8 output buffers [ 26.189116][ T12] ------------[ cut here ]------------ [ 26.194624][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 26.200604][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 26.210118][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 26.216687][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0-rc5+ #28 [ 26.224114][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.234197][ T12] Workqueue: usb_hub_wq hub_event [ 26.239201][ T12] Call Trace: [ 26.242470][ T12] dump_stack+0xca/0x13e [ 26.246687][ T12] ? usb_submit_urb+0x1110/0x13b0 [ 26.251793][ T12] panic+0x2a3/0x6da [ 26.255674][ T12] ? add_taint.cold+0x16/0x16 [ 26.260331][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 26.265700][ T12] ? __warn.cold+0x5/0x4a [ 26.270164][ T12] ? __warn+0xe3/0x1e0 [ 26.274212][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 26.279210][ T12] __warn.cold+0x20/0x4a [ 26.283432][ T12] ? __irq_work_queue_local+0xa3/0xe0 [ 26.288785][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 26.293784][ T12] report_bug+0x262/0x2a0 [ 26.298144][ T12] do_error_trap+0x12b/0x1e0 [ 26.302719][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 26.307912][ T12] do_invalid_op+0x32/0x40 [ 26.312321][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 26.317447][ T12] invalid_op+0x23/0x30 [ 26.321594][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 26.327210][ T12] Code: 4d 85 ed 74 2c e8 88 ba ef fd 4c 89 f7 e8 70 bf 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 69 18 86 e8 6d a0 c5 fd <0f> 0b e9 20 f4 ff ff e8 5c ba ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 26.346867][ T12] RSP: 0018:ffff8881da20edd8 EFLAGS: 00010286 [ 26.352914][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 26.360859][ T12] RDX: 0000000000000000 RSI: ffffffff81288cfd RDI: ffffed103b441dad [ 26.368979][ T12] RBP: ffff8881d3266140 R08: ffff8881da1f9800 R09: ffffed103b645d58 [ 26.376940][ T12] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: 0000000000000003 [ 26.384897][ T12] R13: ffff8881d53b6540 R14: ffff8881d5e355a0 R15: ffff8881d50c6900 [ 26.392902][ T12] ? vprintk_func+0x7d/0x113 [ 26.397577][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 26.402623][ T12] sisusb_send_bulk_msg.constprop.0+0x88a/0x1030 [ 26.408930][ T12] ? sisusb_kill_all_busy+0x200/0x200 [ 26.414276][ T12] ? wake_up_klogd+0x41/0x50 [ 26.418931][ T12] ? vprintk_emit+0x18c/0x3e0 [ 26.423585][ T12] sisusb_send_bridge_packet.constprop.0+0x11c/0x240 [ 26.430238][ T12] ? sisusb_recv_bulk_msg.constprop.0+0x830/0x830 [ 26.436630][ T12] sisusb_do_init_gfxdevice+0x8a/0x450 [ 26.442117][ T12] ? sisusb_read_memio_word+0x2f0/0x2f0 [ 26.447656][ T12] ? dev_printk_emit+0xba/0xf1 [ 26.452395][ T12] ? dev_vprintk_emit+0x541/0x541 [ 26.457389][ T12] ? really_probe+0x281/0x6d0 [ 26.462038][ T12] sisusb_init_gfxdevice+0xe1/0x18d0 [ 26.467354][ T12] ? hub_event+0x1b5c/0x3640 [ 26.471930][ T12] ? worker_thread+0x96/0xe20 [ 26.476581][ T12] ? kthread+0x318/0x420 [ 26.480805][ T12] ? __dev_printk+0x1db/0x203 [ 26.485641][ T12] ? sisusb_set_default_mode+0xa50/0xa50 [ 26.491418][ T12] ? refcount_inc_not_zero_checked+0x12d/0x1e0 [ 26.497558][ T12] ? refcount_dec_and_mutex_lock+0x80/0x80 [ 26.503342][ T12] ? refcount_inc_checked+0x1d/0x60 [ 26.508528][ T12] ? kobject_get+0x67/0xc0 [ 26.512928][ T12] sisusb_probe+0x902/0xae8 [ 26.517424][ T12] usb_probe_interface+0x305/0x7a0 [ 26.522638][ T12] ? usb_probe_device+0x100/0x100 [ 26.527640][ T12] really_probe+0x281/0x6d0 [ 26.532128][ T12] driver_probe_device+0x101/0x1b0 [ 26.537217][ T12] __device_attach_driver+0x1c2/0x220 [ 26.542577][ T12] ? driver_allows_async_probing+0x160/0x160 [ 26.548548][ T12] bus_for_each_drv+0x162/0x1e0 [ 26.553378][ T12] ? bus_rescan_devices+0x20/0x20 [ 26.558381][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 26.564229][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 26.569504][ T12] __device_attach+0x217/0x360 [ 26.574250][ T12] ? device_bind_driver+0xd0/0xd0 [ 26.579250][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 26.584513][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 26.589779][ T12] bus_probe_device+0x1e4/0x290 [ 26.594608][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 26.600474][ T12] device_add+0xae6/0x16f0 [ 26.604867][ T12] ? uevent_store+0x50/0x50 [ 26.609344][ T12] usb_set_configuration+0xdf6/0x1670 [ 26.614693][ T12] generic_probe+0x9d/0xd5 [ 26.619099][ T12] usb_probe_device+0x99/0x100 [ 26.623998][ T12] ? usb_suspend+0x620/0x620 [ 26.628565][ T12] really_probe+0x281/0x6d0 [ 26.633204][ T12] driver_probe_device+0x101/0x1b0 [ 26.638371][ T12] __device_attach_driver+0x1c2/0x220 [ 26.643773][ T12] ? driver_allows_async_probing+0x160/0x160 [ 26.649742][ T12] bus_for_each_drv+0x162/0x1e0 [ 26.654580][ T12] ? bus_rescan_devices+0x20/0x20 [ 26.659603][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 26.665401][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 26.670673][ T12] __device_attach+0x217/0x360 [ 26.675418][ T12] ? device_bind_driver+0xd0/0xd0 [ 26.680429][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 26.685985][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 26.691304][ T12] bus_probe_device+0x1e4/0x290 [ 26.696141][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 26.702022][ T12] device_add+0xae6/0x16f0 [ 26.706561][ T12] ? uevent_store+0x50/0x50 [ 26.711142][ T12] usb_new_device.cold+0x6a4/0xe79 [ 26.716238][ T12] hub_event+0x1b5c/0x3640 [ 26.720678][ T12] ? hub_port_debounce+0x260/0x260 [ 26.725995][ T12] process_one_work+0x92b/0x1530 [ 26.730908][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 26.736313][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 26.741328][ T12] worker_thread+0x96/0xe20 [ 26.745807][ T12] ? process_one_work+0x1530/0x1530 [ 26.750986][ T12] kthread+0x318/0x420 [ 26.755042][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 26.760393][ T12] ret_from_fork+0x24/0x30 [ 26.765544][ T12] Kernel Offset: disabled [ 26.769993][ T12] Rebooting in 86400 seconds..