[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 15.796992][ C1] random: crng init done [....] 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 '10.128.1.40' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 48.469291][ T100] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 48.829352][ T100] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8B has an invalid bInterval 150, changing to 11 [ 48.840638][ T100] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8B has invalid maxpacket 1576, setting to 1024 [ 48.851824][ T100] usb 1-1: New USB device found, idVendor=2040, idProduct=c000, bcdDevice=b1.e9 [ 48.860898][ T100] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 48.870052][ T100] usb 1-1: config 0 descriptor?? [ 48.911112][ T100] smsusb:smsusb_probe: board id=8, interface number 0 [ 48.950365][ T100] smsusb:siano_media_device_register: media controller created [ 48.958728][ T100] ------------[ cut here ]------------ [ 48.964297][ T100] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 48.970297][ T100] WARNING: CPU: 0 PID: 100 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 48.979828][ T100] Kernel panic - not syncing: panic_on_warn set ... [ 48.986390][ T100] CPU: 0 PID: 100 Comm: kworker/0:2 Not tainted 5.3.0+ #0 [ 48.993489][ T100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.003527][ T100] Workqueue: usb_hub_wq hub_event [ 49.008521][ T100] Call Trace: [ 49.011788][ T100] dump_stack+0xca/0x13e [ 49.016004][ T100] ? usb_submit_urb+0x1100/0x13b0 [ 49.021004][ T100] panic+0x2a3/0x6da [ 49.024882][ T100] ? add_taint.cold+0x16/0x16 [ 49.029534][ T100] ? __probe_kernel_read+0x188/0x1d0 [ 49.034801][ T100] ? __warn.cold+0x5/0x4a [ 49.039104][ T100] ? __warn+0xe3/0x1e0 [ 49.043153][ T100] ? usb_submit_urb+0x1188/0x13b0 [ 49.048149][ T100] __warn.cold+0x20/0x4a [ 49.052376][ T100] ? __irq_work_queue_local+0xa3/0xe0 [ 49.057719][ T100] ? usb_submit_urb+0x1188/0x13b0 [ 49.062714][ T100] report_bug+0x262/0x2a0 [ 49.067016][ T100] do_error_trap+0x12b/0x1e0 [ 49.071584][ T100] ? usb_submit_urb+0x1188/0x13b0 [ 49.076584][ T100] do_invalid_op+0x32/0x40 [ 49.081075][ T100] ? usb_submit_urb+0x1188/0x13b0 [ 49.086073][ T100] invalid_op+0x23/0x30 [ 49.090205][ T100] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 49.095811][ T100] Code: 4d 85 ed 74 2c e8 98 59 ee fd 4c 89 f7 e8 10 4b 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 80 c2 18 86 e8 2d e5 c3 fd <0f> 0b e9 20 f4 ff ff e8 6c 59 ee fd 4c 89 f2 48 b8 00 00 00 00 00 [ 49.117395][ T100] RSP: 0018:ffff8881d5d57018 EFLAGS: 00010282 [ 49.123444][ T100] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.131408][ T100] RDX: 0000000000000000 RSI: ffffffff8128d9ad RDI: ffffed103abaadf5 [ 49.139355][ T100] RBP: ffff8881c8ebaf50 R08: ffff8881d7716000 R09: ffffed103b645d58 [ 49.147301][ T100] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: 0000000000000003 [ 49.155258][ T100] R13: ffff8881d5e80528 R14: ffff8881d91e80a0 R15: ffff8881d2c93330 [ 49.163216][ T100] ? vprintk_func+0x7d/0x113 [ 49.167793][ T100] ? usb_submit_urb+0x1188/0x13b0 [ 49.172807][ T100] smsusb_submit_urb+0x26d/0x390 [ 49.177732][ T100] smsusb_start_streaming+0x1f/0x87 [ 49.182994][ T100] smsusb_init_device+0x8aa/0x9d5 [ 49.187992][ T100] ? smsusb1_detectmode.cold+0x24/0x24 [ 49.193423][ T100] ? smsusb_disconnect+0x20/0x20 [ 49.198351][ T100] ? usb_clear_halt+0xa4/0x1c0 [ 49.203180][ T100] smsusb_probe+0x986/0xa24 [ 49.207670][ T100] ? smsusb_init_device+0x9d5/0x9d5 [ 49.212848][ T100] ? __pm_runtime_set_status+0x5d5/0xa10 [ 49.218455][ T100] ? rpm_callback+0x230/0x230 [ 49.223109][ T100] ? lockdep_hardirqs_on+0x379/0x580 [ 49.228365][ T100] ? __pm_runtime_resume+0x111/0x180 [ 49.233676][ T100] usb_probe_interface+0x305/0x7a0 [ 49.238775][ T100] ? usb_probe_device+0x100/0x100 [ 49.243775][ T100] really_probe+0x281/0x6d0 [ 49.248260][ T100] driver_probe_device+0x101/0x1b0 [ 49.253346][ T100] __device_attach_driver+0x1c2/0x220 [ 49.258704][ T100] ? driver_allows_async_probing+0x160/0x160 [ 49.264654][ T100] bus_for_each_drv+0x162/0x1e0 [ 49.269527][ T100] ? bus_rescan_devices+0x20/0x20 [ 49.274630][ T100] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 49.280540][ T100] ? lockdep_hardirqs_on+0x379/0x580 [ 49.285835][ T100] __device_attach+0x217/0x360 [ 49.290579][ T100] ? device_bind_driver+0xd0/0xd0 [ 49.295577][ T100] ? kobject_uevent_env+0x29e/0x1150 [ 49.301008][ T100] ? kobject_uevent_env+0x2a8/0x1150 [ 49.306267][ T100] bus_probe_device+0x1e4/0x290 [ 49.311108][ T100] ? blocking_notifier_call_chain+0x54/0xa0 [ 49.316991][ T100] device_add+0xae6/0x16f0 [ 49.321389][ T100] ? uevent_store+0x50/0x50 [ 49.325871][ T100] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 49.331654][ T100] usb_set_configuration+0xdf6/0x1670 [ 49.337001][ T100] generic_probe+0x9d/0xd5 [ 49.341394][ T100] usb_probe_device+0x99/0x100 [ 49.346132][ T100] ? usb_suspend+0x620/0x620 [ 49.350700][ T100] really_probe+0x281/0x6d0 [ 49.355176][ T100] driver_probe_device+0x101/0x1b0 [ 49.360264][ T100] __device_attach_driver+0x1c2/0x220 [ 49.365617][ T100] ? driver_allows_async_probing+0x160/0x160 [ 49.371584][ T100] bus_for_each_drv+0x162/0x1e0 [ 49.376406][ T100] ? bus_rescan_devices+0x20/0x20 [ 49.381407][ T100] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 49.387187][ T100] ? lockdep_hardirqs_on+0x379/0x580 [ 49.392443][ T100] __device_attach+0x217/0x360 [ 49.397181][ T100] ? device_bind_driver+0xd0/0xd0 [ 49.402185][ T100] ? kobject_uevent_env+0x29e/0x1150 [ 49.407527][ T100] ? kobject_uevent_env+0x2a8/0x1150 [ 49.412788][ T100] bus_probe_device+0x1e4/0x290 [ 49.417620][ T100] ? blocking_notifier_call_chain+0x54/0xa0 [ 49.423488][ T100] device_add+0xae6/0x16f0 [ 49.427890][ T100] ? uevent_store+0x50/0x50 [ 49.432368][ T100] usb_new_device.cold+0x6a4/0xe79 [ 49.437462][ T100] hub_event+0x1b5c/0x3640 [ 49.441853][ T100] ? hub_port_debounce+0x260/0x260 [ 49.446948][ T100] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 49.452475][ T100] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 49.457735][ T100] process_one_work+0x92b/0x1530 [ 49.462646][ T100] ? pwq_dec_nr_in_flight+0x310/0x310 [ 49.467990][ T100] ? do_raw_spin_lock+0x11a/0x280 [ 49.472997][ T100] worker_thread+0x96/0xe20 [ 49.477476][ T100] ? process_one_work+0x1530/0x1530 [ 49.482647][ T100] kthread+0x318/0x420 [ 49.486689][ T100] ? kthread_create_on_node+0xf0/0xf0 [ 49.492035][ T100] ret_from_fork+0x24/0x30 [ 49.497139][ T100] Kernel Offset: disabled [ 49.501484][ T100] Rebooting in 86400 seconds..