Warning: Permanently added '10.128.0.82' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.411911][ T95] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 28.771981][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has invalid maxpacket 766, setting to 64 [ 28.782935][ T95] usb 1-1: New USB device found, idVendor=08ca, idProduct=0020, bcdDevice=26.fe [ 28.792127][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.801282][ T95] usb 1-1: config 0 descriptor?? executing program [ 29.051947][ T95] aiptek 1-1:0.0: Aiptek using 400 ms programming speed [ 29.068829][ T95] input: Aiptek as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input5 [ 29.078027][ T95] ------------[ cut here ]------------ [ 29.083835][ T95] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 29.089840][ T95] WARNING: CPU: 0 PID: 95 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x13b0 [ 29.099278][ T95] Kernel panic - not syncing: panic_on_warn set ... [ 29.105849][ T95] CPU: 0 PID: 95 Comm: kworker/0:2 Not tainted 5.5.0-rc3-syzkaller #0 [ 29.113973][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.124016][ T95] Workqueue: usb_hub_wq hub_event [ 29.129017][ T95] Call Trace: [ 29.132289][ T95] dump_stack+0xef/0x16e [ 29.136510][ T95] ? usb_submit_urb+0x10b0/0x13b0 [ 29.141511][ T95] panic+0x2aa/0x6e1 [ 29.145421][ T95] ? add_taint.cold+0x16/0x16 [ 29.150089][ T95] ? __probe_kernel_read+0x188/0x1d0 [ 29.155356][ T95] ? __warn.cold+0x14/0x30 [ 29.159750][ T95] ? __warn+0xd5/0x1c8 [ 29.163798][ T95] ? usb_submit_urb+0x1188/0x13b0 [ 29.168801][ T95] __warn.cold+0x2f/0x30 [ 29.173022][ T95] ? usb_submit_urb+0x1188/0x13b0 [ 29.178021][ T95] report_bug+0x27b/0x2f0 [ 29.182334][ T95] do_error_trap+0x12b/0x1e0 [ 29.186914][ T95] ? usb_submit_urb+0x1188/0x13b0 [ 29.191925][ T95] do_invalid_op+0x32/0x40 [ 29.196326][ T95] ? usb_submit_urb+0x1188/0x13b0 [ 29.201327][ T95] invalid_op+0x23/0x30 [ 29.205475][ T95] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 29.211100][ T95] Code: 4d 85 ed 74 2c e8 08 d2 e8 fd 4c 89 f7 e8 70 8c 1d ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 a0 e8 14 86 e8 d0 f6 bd fd <0f> 0b e9 20 f4 ff ff e8 dc d1 e8 fd 4c 89 f2 48 b8 00 00 00 00 00 [ 29.230683][ T95] RSP: 0018:ffff8881d5e77070 EFLAGS: 00010286 [ 29.236732][ T95] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 29.244699][ T95] RDX: 0000000000000000 RSI: ffffffff812956dd RDI: ffffed103abcee00 [ 29.252649][ T95] RBP: ffff8881d1415880 R08: ffff8881d7099880 R09: ffffed103b68439f [ 29.260603][ T95] R10: ffffed103b68439e R11: ffff8881db421cf3 R12: 0000000000000001 [ 29.268556][ T95] R13: ffff8881d66272b8 R14: ffff8881cfa280a0 R15: ffff8881d520e800 [ 29.276639][ T95] ? vprintk_func+0x7d/0x113 [ 29.281212][ T95] aiptek_open+0xd5/0x130 [ 29.285524][ T95] input_open_device+0x16c/0x2c0 [ 29.290441][ T95] ? store_tabletXtilt+0x230/0x230 [ 29.295659][ T95] kbd_connect+0xfe/0x160 [ 29.299988][ T95] input_attach_handler+0x194/0x200 [ 29.305222][ T95] input_register_device.cold+0xf5/0x246 [ 29.310852][ T95] aiptek_probe.cold+0x28f/0x30d [ 29.315819][ T95] ? store_tabletExecute+0x80/0x80 [ 29.320916][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 29.326182][ T95] ? __pm_runtime_resume+0x111/0x180 [ 29.331453][ T95] usb_probe_interface+0x305/0x7a0 [ 29.336549][ T95] ? usb_probe_device+0x100/0x100 [ 29.341608][ T95] really_probe+0x281/0x6d0 [ 29.346139][ T95] driver_probe_device+0x104/0x210 [ 29.351230][ T95] __device_attach_driver+0x1c2/0x220 [ 29.356665][ T95] ? driver_allows_async_probing+0x160/0x160 [ 29.362622][ T95] bus_for_each_drv+0x162/0x1e0 [ 29.367448][ T95] ? bus_rescan_devices+0x20/0x20 [ 29.372452][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.378320][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 29.383598][ T95] __device_attach+0x217/0x360 [ 29.388511][ T95] ? device_bind_driver+0xd0/0xd0 [ 29.393517][ T95] bus_probe_device+0x1e4/0x290 [ 29.398357][ T95] device_add+0x141f/0x1bc0 [ 29.402839][ T95] ? wait_for_completion+0x3c0/0x3c0 [ 29.408100][ T95] ? device_links_flush_sync_list+0x350/0x350 [ 29.414153][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.419942][ T95] usb_set_configuration+0xe38/0x16c0 [ 29.425291][ T95] generic_probe+0x9d/0xd5 [ 29.429682][ T95] usb_probe_device+0x99/0x100 [ 29.434433][ T95] ? usb_suspend+0x620/0x620 [ 29.438998][ T95] really_probe+0x281/0x6d0 [ 29.443482][ T95] driver_probe_device+0x104/0x210 [ 29.448571][ T95] __device_attach_driver+0x1c2/0x220 [ 29.453918][ T95] ? driver_allows_async_probing+0x160/0x160 [ 29.459876][ T95] bus_for_each_drv+0x162/0x1e0 [ 29.464706][ T95] ? bus_rescan_devices+0x20/0x20 [ 29.471618][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.477403][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 29.482664][ T95] __device_attach+0x217/0x360 [ 29.487406][ T95] ? device_bind_driver+0xd0/0xd0 [ 29.492419][ T95] bus_probe_device+0x1e4/0x290 [ 29.497257][ T95] device_add+0x141f/0x1bc0 [ 29.501734][ T95] ? device_links_flush_sync_list+0x350/0x350 [ 29.507779][ T95] usb_new_device.cold+0x6a4/0xe79 [ 29.512868][ T95] hub_event+0x1e59/0x3860 [ 29.517260][ T95] ? hub_port_debounce+0x260/0x260 [ 29.522349][ T95] ? find_held_lock+0x2d/0x110 [ 29.527089][ T95] ? mark_held_locks+0xe0/0xe0 [ 29.531850][ T95] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 29.537369][ T95] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 29.542629][ T95] process_one_work+0x92b/0x1530 [ 29.547556][ T95] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.552905][ T95] ? do_raw_spin_lock+0x129/0x290 [ 29.557918][ T95] worker_thread+0x96/0xe20 [ 29.562405][ T95] ? process_one_work+0x1530/0x1530 [ 29.567578][ T95] kthread+0x318/0x420 [ 29.571625][ T95] ? kthread_create_on_node+0xf0/0xf0 [ 29.576983][ T95] ret_from_fork+0x24/0x30 [ 29.582058][ T95] Kernel Offset: disabled [ 29.586408][ T95] Rebooting in 86400 seconds..