[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 15.855406][ C1] random: crng init done [ 15.859730][ C1] random: 7 urandom warning(s) missed due to ratelimiting Warning: Permanently added '10.128.10.53' (ECDSA) to the list of known hosts. executing program [ 23.336130][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 23.555894][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has invalid maxpacket 1073, setting to 1024 [ 23.567068][ T94] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x84 has invalid maxpacket 1024 [ 23.577165][ T94] usb 1-1: New USB device found, idVendor=08ca, idProduct=0020, bcdDevice=26.fe [ 23.586300][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 23.595977][ T94] usb 1-1: config 0 descriptor?? [ 23.615988][ T367] raw-gadget gadget: fail, usb_ep_enable returned -22 executing program [ 23.855441][ T94] aiptek 1-1:0.0: Aiptek using 400 ms programming speed [ 23.867657][ T94] input: Aiptek as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input5 [ 23.876949][ T94] ------------[ cut here ]------------ [ 23.882520][ T94] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 23.888899][ T94] WARNING: CPU: 1 PID: 94 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 23.898355][ T94] Kernel panic - not syncing: panic_on_warn set ... [ 23.905003][ T94] CPU: 1 PID: 94 Comm: kworker/1:2 Not tainted 5.6.0-rc7-syzkaller #0 [ 23.913145][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.923200][ T94] Workqueue: usb_hub_wq hub_event [ 23.928226][ T94] Call Trace: [ 23.931514][ T94] dump_stack+0xef/0x16e [ 23.935771][ T94] ? usb_submit_urb+0x10b0/0x1460 [ 23.940824][ T94] panic+0x2aa/0x6e1 [ 23.944706][ T94] ? add_taint.cold+0x16/0x16 [ 23.949369][ T94] ? __probe_kernel_read+0x188/0x1d0 [ 23.954642][ T94] ? __warn.cold+0x14/0x30 [ 23.959050][ T94] ? __warn+0xd5/0x1c8 [ 23.963143][ T94] ? usb_submit_urb+0x1188/0x1460 [ 23.968162][ T94] __warn.cold+0x2f/0x30 [ 23.972395][ T94] ? usb_submit_urb+0x1188/0x1460 [ 23.977411][ T94] report_bug+0x27b/0x2f0 [ 23.981731][ T94] do_error_trap+0x12b/0x1e0 [ 23.986326][ T94] ? usb_submit_urb+0x1188/0x1460 [ 23.991350][ T94] do_invalid_op+0x32/0x40 [ 23.995763][ T94] ? usb_submit_urb+0x1188/0x1460 [ 24.000780][ T94] invalid_op+0x23/0x30 [ 24.004918][ T94] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 24.010530][ T94] Code: 4d 85 ed 74 46 e8 68 87 dd fd 4c 89 f7 e8 90 57 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 80 dd 3b 86 e8 10 18 b2 fd <0f> 0b e9 20 f4 ff ff e8 3c 87 dd fd 0f 1f 44 00 00 e8 32 87 dd fd [ 24.030122][ T94] RSP: 0018:ffff8881d5d0f048 EFLAGS: 00010286 [ 24.036200][ T94] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 24.044168][ T94] RDX: 0000000000000000 RSI: ffffffff812974dd RDI: ffffed103aba1dfb [ 24.052138][ T94] RBP: ffff8881d36e3100 R08: ffff8881d6a91880 R09: ffffed103b666248 [ 24.060112][ T94] R10: ffffed103b666247 R11: ffff8881db33123f R12: 0000000000000001 [ 24.068156][ T94] R13: ffff8881d976d3a8 R14: ffff8881cd5430a0 R15: ffff8881d2b61c00 [ 24.076127][ T94] ? vprintk_func+0x7d/0x113 [ 24.080733][ T94] ? usb_submit_urb+0x1188/0x1460 [ 24.085745][ T94] aiptek_open+0xd5/0x130 [ 24.090063][ T94] input_open_device+0x16c/0x2c0 [ 24.095023][ T94] ? store_tabletXtilt+0x230/0x230 [ 24.100118][ T94] kbd_connect+0xfe/0x160 [ 24.104433][ T94] input_attach_handler+0x194/0x200 [ 24.109723][ T94] input_register_device.cold+0xfd/0x316 [ 24.115350][ T94] aiptek_probe.cold+0x28e/0x30d [ 24.120283][ T94] ? store_tabletExecute+0x80/0x80 [ 24.125386][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 24.130649][ T94] ? __pm_runtime_resume+0x111/0x180 [ 24.135927][ T94] usb_probe_interface+0x310/0x800 [ 24.141070][ T94] ? usb_probe_device+0x230/0x230 [ 24.146085][ T94] really_probe+0x290/0xac0 [ 24.150571][ T94] driver_probe_device+0x223/0x350 [ 24.155663][ T94] __device_attach_driver+0x1d1/0x290 [ 24.161009][ T94] ? driver_allows_async_probing+0x160/0x160 [ 24.166966][ T94] bus_for_each_drv+0x162/0x1e0 [ 24.171794][ T94] ? bus_rescan_devices+0x20/0x20 [ 24.176856][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 24.182642][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 24.187907][ T94] __device_attach+0x217/0x390 [ 24.192660][ T94] ? device_bind_driver+0xd0/0xd0 [ 24.197664][ T94] bus_probe_device+0x1e4/0x290 [ 24.202506][ T94] device_add+0x1459/0x1bf0 [ 24.206987][ T94] ? wait_for_completion+0x3c0/0x3c0 [ 24.212306][ T94] ? device_link_remove+0x110/0x110 [ 24.217517][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 24.223319][ T94] usb_set_configuration+0xece/0x1840 [ 24.228675][ T94] usb_generic_driver_probe+0x9d/0xe0 [ 24.234025][ T94] usb_probe_device+0xd9/0x230 [ 24.238768][ T94] ? usb_suspend+0x5f0/0x5f0 [ 24.243341][ T94] really_probe+0x290/0xac0 [ 24.247895][ T94] driver_probe_device+0x223/0x350 [ 24.253064][ T94] __device_attach_driver+0x1d1/0x290 [ 24.258508][ T94] ? driver_allows_async_probing+0x160/0x160 [ 24.264469][ T94] bus_for_each_drv+0x162/0x1e0 [ 24.269297][ T94] ? bus_rescan_devices+0x20/0x20 [ 24.274301][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 24.280118][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 24.285387][ T94] __device_attach+0x217/0x390 [ 24.290140][ T94] ? device_bind_driver+0xd0/0xd0 [ 24.295149][ T94] bus_probe_device+0x1e4/0x290 [ 24.299985][ T94] device_add+0x1459/0x1bf0 [ 24.304470][ T94] ? device_link_remove+0x110/0x110 [ 24.309652][ T94] usb_new_device.cold+0x540/0xcd0 [ 24.314752][ T94] hub_event+0x21cb/0x4300 [ 24.319152][ T94] ? hub_port_debounce+0x350/0x350 [ 24.324352][ T94] ? find_held_lock+0x2d/0x110 [ 24.329111][ T94] ? mark_held_locks+0xe0/0xe0 [ 24.333862][ T94] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 24.339392][ T94] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 24.344662][ T94] process_one_work+0x94b/0x1620 [ 24.349604][ T94] ? pwq_dec_nr_in_flight+0x310/0x310 [ 24.354981][ T94] ? do_raw_spin_lock+0x129/0x290 [ 24.360008][ T94] worker_thread+0x96/0xe20 [ 24.364504][ T94] ? process_one_work+0x1620/0x1620 [ 24.369690][ T94] kthread+0x318/0x420 [ 24.373765][ T94] ? kthread_create_on_node+0xf0/0xf0 [ 24.379127][ T94] ret_from_fork+0x24/0x30 [ 24.384241][ T94] Kernel Offset: disabled [ 24.388604][ T94] Rebooting in 86400 seconds..