[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 14.894257][ C1] random: crng init done [?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 '10.128.10.25' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 40.658071][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 41.018129][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x1 has an invalid bInterval 86, changing to 10 [ 41.029613][ T12] usb 1-1: New USB device found, idVendor=17e9, idProduct=49a3, bcdDevice=55.ea [ 41.039185][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 41.048974][ T12] usb 1-1: config 0 descriptor?? executing program [ 41.368107][ T12] udlfb 1-1:0.0: vendor descriptor not available (-71) [ 41.388077][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 41.408064][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 41.428087][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 41.433863][ T12] usb 1-1: Unable to get valid EDID from device/display [ 41.459888][ T12] ------------[ cut here ]------------ [ 41.465533][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 41.471613][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 41.481067][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 41.487805][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc5+ #0 [ 41.496217][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.506287][ T12] Workqueue: usb_hub_wq hub_event [ 41.511290][ T12] Call Trace: [ 41.514566][ T12] dump_stack+0xca/0x13e [ 41.519406][ T12] ? usb_submit_urb+0x1110/0x13b0 [ 41.524411][ T12] panic+0x2aa/0x6e1 [ 41.528398][ T12] ? add_taint.cold+0x16/0x16 [ 41.533368][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 41.538666][ T12] ? __warn.cold+0x14/0x33 [ 41.543909][ T12] ? __warn+0xd5/0x1d0 [ 41.548087][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 41.553631][ T12] __warn.cold+0x2f/0x33 [ 41.558964][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 41.565070][ T12] report_bug+0x27b/0x2f0 [ 41.569598][ T12] do_error_trap+0x12b/0x1e0 [ 41.574201][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 41.579238][ T12] do_invalid_op+0x32/0x40 [ 41.583659][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 41.588988][ T12] invalid_op+0x23/0x30 [ 41.593594][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 41.599361][ T12] Code: 4d 85 ed 74 2c e8 e8 31 ef fd 4c 89 f7 e8 40 40 1f ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 a0 76 14 86 e8 1d ce c4 fd <0f> 0b e9 20 f4 ff ff e8 bc 31 ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 41.619912][ T12] RSP: 0018:ffff8881da226f40 EFLAGS: 00010282 [ 41.626480][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.634722][ T12] RDX: 0000000000000000 RSI: ffffffff8128c8ed RDI: ffffed103b444dda [ 41.643005][ T12] RBP: ffff8881d0bb5300 R08: ffff8881da211800 R09: ffffed103b645d58 [ 41.651067][ T12] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: 0000000000000003 [ 41.659205][ T12] R13: ffff8881cc77b708 R14: ffff8881d034f0a0 R15: ffff8881d4c1af00 [ 41.667687][ T12] ? vprintk_func+0x7d/0x113 [ 41.672287][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 41.677660][ T12] dlfb_submit_urb+0x89/0x160 [ 41.684986][ T12] dlfb_set_video_mode+0x2249/0x29b0 [ 41.690484][ T12] dlfb_ops_set_par+0x2a3/0x810 [ 41.695336][ T12] ? dlfb_handle_damage+0x660/0x660 [ 41.700523][ T12] ? dlfb_usb_probe.cold+0xeaf/0x1bba [ 41.705880][ T12] ? kfree+0xe4/0x320 [ 41.709911][ T12] dlfb_usb_probe.cold+0xed7/0x1bba [ 41.715280][ T12] ? edid_store+0x180/0x180 [ 41.719769][ T12] ? __pm_runtime_resume+0x111/0x180 [ 41.725048][ T12] usb_probe_interface+0x305/0x7a0 [ 41.730155][ T12] ? usb_probe_device+0x100/0x100 [ 41.735175][ T12] really_probe+0x281/0x6d0 [ 41.739673][ T12] driver_probe_device+0x104/0x210 [ 41.744776][ T12] __device_attach_driver+0x1c2/0x220 [ 41.750239][ T12] ? driver_allows_async_probing+0x160/0x160 [ 41.759679][ T12] bus_for_each_drv+0x162/0x1e0 [ 41.764603][ T12] ? bus_rescan_devices+0x20/0x20 [ 41.770062][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.776126][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 41.781435][ T12] __device_attach+0x217/0x360 [ 41.786187][ T12] ? device_bind_driver+0xd0/0xd0 [ 41.791210][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 41.796493][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 41.801935][ T12] bus_probe_device+0x1e4/0x290 [ 41.806771][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 41.816920][ T12] device_add+0xae6/0x16f0 [ 41.821329][ T12] ? uevent_store+0x50/0x50 [ 41.825900][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.833778][ T12] usb_set_configuration+0xdf6/0x1670 [ 41.839230][ T12] generic_probe+0x9d/0xd5 [ 41.844125][ T12] usb_probe_device+0x99/0x100 [ 41.849113][ T12] ? usb_suspend+0x620/0x620 [ 41.853708][ T12] really_probe+0x281/0x6d0 [ 41.858456][ T12] driver_probe_device+0x104/0x210 [ 41.863553][ T12] __device_attach_driver+0x1c2/0x220 [ 41.868915][ T12] ? driver_allows_async_probing+0x160/0x160 [ 41.875105][ T12] bus_for_each_drv+0x162/0x1e0 [ 41.881281][ T12] ? bus_rescan_devices+0x20/0x20 [ 41.886304][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.892101][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 41.897453][ T12] __device_attach+0x217/0x360 [ 41.902200][ T12] ? device_bind_driver+0xd0/0xd0 [ 41.907204][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 41.912595][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 41.918005][ T12] bus_probe_device+0x1e4/0x290 [ 41.922875][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 41.929595][ T12] device_add+0xae6/0x16f0 [ 41.934123][ T12] ? uevent_store+0x50/0x50 [ 41.939674][ T12] usb_new_device.cold+0x6a4/0xe79 [ 41.945863][ T12] hub_event+0x1df8/0x3800 [ 41.950284][ T12] ? hub_port_debounce+0x260/0x260 [ 41.955394][ T12] ? find_held_lock+0x2d/0x110 [ 41.960318][ T12] ? mark_held_locks+0xe0/0xe0 [ 41.965063][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 41.971046][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 41.976411][ T12] process_one_work+0x92b/0x1530 [ 41.981728][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 41.987269][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 41.992425][ T12] worker_thread+0x96/0xe20 [ 41.996923][ T12] ? process_one_work+0x1530/0x1530 [ 42.002102][ T12] kthread+0x318/0x420 [ 42.006160][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 42.011523][ T12] ret_from_fork+0x24/0x30 [ 42.017102][ T12] Kernel Offset: disabled [ 42.021667][ T12] Rebooting in 86400 seconds..