[info] Using makefile-style concurrent boot in runlevel 2. [ 14.640739][ C1] random: crng init done [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.223' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.443842][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.684213][ T83] usb 1-1: Using ep0 maxpacket: 8 [ 26.803899][ T83] usb 1-1: config 0 has an invalid interface number: 148 but max is 0 [ 26.812162][ T83] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 26.822452][ T83] usb 1-1: config 0 has no interface number 0 [ 26.828680][ T83] usb 1-1: config 0 interface 148 altsetting 0 endpoint 0x81 has invalid maxpacket 2044, setting to 1024 [ 26.839987][ T83] usb 1-1: config 0 interface 148 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 1024 [ 26.850173][ T83] usb 1-1: New USB device found, idVendor=08ca, idProduct=0001, bcdDevice=12.a0 [ 26.860090][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 26.869735][ T83] usb 1-1: config 0 descriptor?? [ 26.894075][ T1723] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 executing program [ 27.153962][ T83] usb 1-1: string descriptor 0 read error: -71 [ 27.173840][ T83] aiptek 1-1:0.148: Aiptek using 400 ms programming speed [ 27.182021][ T83] input: Aiptek as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.148/input/input5 [ 27.191325][ T83] ------------[ cut here ]------------ [ 27.196952][ T83] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 27.202948][ T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 27.212484][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 27.219063][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.4.0-syzkaller #0 [ 27.226852][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.236893][ T83] Workqueue: usb_hub_wq hub_event [ 27.241905][ T83] Call Trace: [ 27.245193][ T83] dump_stack+0xef/0x16e [ 27.249413][ T83] ? usb_submit_urb+0x1110/0x13b0 [ 27.254416][ T83] panic+0x2aa/0x6e1 [ 27.258289][ T83] ? add_taint.cold+0x16/0x16 [ 27.263004][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 27.268341][ T83] ? __warn.cold+0x14/0x30 [ 27.272753][ T83] ? __warn+0xd5/0x1c8 [ 27.276808][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 27.281819][ T83] __warn.cold+0x2f/0x30 [ 27.286084][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 27.291121][ T83] report_bug+0x27b/0x2f0 [ 27.295437][ T83] do_error_trap+0x12b/0x1e0 [ 27.300015][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 27.305016][ T83] do_invalid_op+0x32/0x40 [ 27.309412][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 27.314412][ T83] invalid_op+0x23/0x30 [ 27.318555][ T83] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 27.324164][ T83] Code: 4d 85 ed 74 2c e8 a8 84 e9 fd 4c 89 f7 e8 20 74 1d ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 29 15 86 e8 10 b3 be fd <0f> 0b e9 20 f4 ff ff e8 7c 84 e9 fd 4c 89 f2 48 b8 00 00 00 00 00 [ 27.343761][ T83] RSP: 0018:ffff8881d8eff070 EFLAGS: 00010286 [ 27.349819][ T83] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 27.357773][ T83] RDX: 0000000000000000 RSI: ffffffff8128ebcd RDI: ffffed103b1dfe00 [ 27.365725][ T83] RBP: ffff8881d32b4500 R08: ffff8881d8ef0000 R09: ffffed103b6a439f [ 27.374033][ T83] R10: ffffed103b6a439e R11: ffff8881db521cf7 R12: 0000000000000001 [ 27.381981][ T83] R13: ffff8881cede2f18 R14: ffff8881cfa800a0 R15: ffff8881d5077500 [ 27.390069][ T83] ? vprintk_func+0x7d/0x113 [ 27.394643][ T83] aiptek_open+0xd5/0x130 [ 27.398961][ T83] input_open_device+0x16c/0x2c0 [ 27.403888][ T83] ? store_tabletXtilt+0x230/0x230 [ 27.408979][ T83] kbd_connect+0xfe/0x160 [ 27.413299][ T83] input_attach_handler+0x194/0x200 [ 27.418531][ T83] input_register_device.cold+0xf5/0x246 [ 27.424255][ T83] aiptek_probe.cold+0x28f/0x30d [ 27.429178][ T83] ? store_tabletExecute+0x80/0x80 [ 27.434276][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 27.439554][ T83] ? __pm_runtime_resume+0x111/0x180 [ 27.444829][ T83] usb_probe_interface+0x305/0x7a0 [ 27.449928][ T83] ? usb_probe_device+0x100/0x100 [ 27.455082][ T83] really_probe+0x281/0x6d0 [ 27.459573][ T83] driver_probe_device+0x104/0x210 [ 27.464787][ T83] __device_attach_driver+0x1c2/0x220 [ 27.470157][ T83] ? driver_allows_async_probing+0x160/0x160 [ 27.476127][ T83] bus_for_each_drv+0x162/0x1e0 [ 27.481076][ T83] ? bus_rescan_devices+0x20/0x20 [ 27.486093][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 27.491934][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 27.497207][ T83] __device_attach+0x217/0x360 [ 27.501964][ T83] ? device_bind_driver+0xd0/0xd0 [ 27.507045][ T83] bus_probe_device+0x1e4/0x290 [ 27.511882][ T83] device_add+0x1480/0x1c20 [ 27.516377][ T83] ? wait_for_completion+0x3c0/0x3c0 [ 27.521714][ T83] ? device_links_flush_sync_list+0x350/0x350 [ 27.527764][ T83] usb_set_configuration+0xe67/0x1740 [ 27.533233][ T83] generic_probe+0x9d/0xd5 [ 27.537640][ T83] usb_probe_device+0x99/0x100 [ 27.542391][ T83] ? usb_suspend+0x620/0x620 [ 27.547061][ T83] really_probe+0x281/0x6d0 [ 27.551555][ T83] driver_probe_device+0x104/0x210 [ 27.556777][ T83] __device_attach_driver+0x1c2/0x220 [ 27.562146][ T83] ? driver_allows_async_probing+0x160/0x160 [ 27.568216][ T83] bus_for_each_drv+0x162/0x1e0 [ 27.573172][ T83] ? bus_rescan_devices+0x20/0x20 [ 27.578200][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 27.584000][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 27.589281][ T83] __device_attach+0x217/0x360 [ 27.594032][ T83] ? device_bind_driver+0xd0/0xd0 [ 27.599202][ T83] bus_probe_device+0x1e4/0x290 [ 27.604047][ T83] device_add+0x1480/0x1c20 [ 27.608532][ T83] ? device_links_flush_sync_list+0x350/0x350 [ 27.614584][ T83] usb_new_device.cold+0x6a4/0xe79 [ 27.619687][ T83] hub_event+0x1e59/0x3860 [ 27.624084][ T83] ? hub_port_debounce+0x260/0x260 [ 27.629242][ T83] ? find_held_lock+0x2d/0x110 [ 27.634036][ T83] ? mark_held_locks+0xe0/0xe0 [ 27.638780][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.644302][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.649574][ T83] process_one_work+0x92b/0x1530 [ 27.654496][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 27.659849][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 27.664856][ T83] worker_thread+0x96/0xe20 [ 27.669339][ T83] ? process_one_work+0x1530/0x1530 [ 27.674516][ T83] kthread+0x318/0x420 [ 27.678607][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 27.684002][ T83] ret_from_fork+0x24/0x30 [ 27.689228][ T83] Kernel Offset: disabled [ 27.693584][ T83] Rebooting in 86400 seconds..