INIT: Entering runlevel: 2 [[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.238' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.229764][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 27.589837][ T12] usb 1-1: config index 0 descriptor too short (expected 1307, got 27) [ 27.598183][ T12] usb 1-1: config 0 has an invalid interface number: 148 but max is 0 [ 27.606500][ T12] usb 1-1: config 0 has no interface number 0 [ 27.612614][ T12] usb 1-1: config 0 interface 148 altsetting 0 endpoint 0x1 has an invalid bInterval 230, changing to 11 [ 27.623844][ T12] usb 1-1: config 0 interface 148 altsetting 0 endpoint 0x1 has invalid maxpacket 1131, setting to 1024 [ 27.634992][ T12] usb 1-1: New USB device found, idVendor=17e9, idProduct=c9ad, bcdDevice=38.3f [ 27.644042][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.653585][ T12] usb 1-1: config 0 descriptor?? [ 27.669911][ T1719] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 executing program [ 27.949764][ T12] udlfb 1-1:0.148: vendor descriptor not available (-71) [ 27.969734][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 27.989770][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 28.009728][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 28.015303][ T12] usb 1-1: Unable to get valid EDID from device/display [ 28.041394][ T12] ------------[ cut here ]------------ [ 28.046874][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 28.052924][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 28.062367][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 28.069039][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc6+ #0 [ 28.076385][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.086450][ T12] Workqueue: usb_hub_wq hub_event [ 28.091461][ T12] Call Trace: [ 28.094738][ T12] dump_stack+0xca/0x13e [ 28.098974][ T12] ? usb_submit_urb+0x10c0/0x13b0 [ 28.103986][ T12] panic+0x2aa/0x6e1 [ 28.107863][ T12] ? add_taint.cold+0x16/0x16 [ 28.112522][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 28.117783][ T12] ? __warn.cold+0x14/0x33 [ 28.122178][ T12] ? __warn+0xd5/0x1d0 [ 28.126224][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 28.131230][ T12] __warn.cold+0x2f/0x33 [ 28.135491][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 28.140492][ T12] report_bug+0x27b/0x2f0 [ 28.144799][ T12] do_error_trap+0x12b/0x1e0 [ 28.149364][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 28.154369][ T12] do_invalid_op+0x32/0x40 [ 28.158761][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 28.163890][ T12] invalid_op+0x23/0x30 [ 28.168026][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 28.173694][ T12] Code: 4d 85 ed 74 2c e8 b8 21 ef fd 4c 89 f7 e8 40 34 1f ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 40 77 14 86 e8 cd bc c4 fd <0f> 0b e9 20 f4 ff ff e8 8c 21 ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 28.193295][ T12] RSP: 0018:ffff8881da226f40 EFLAGS: 00010282 [ 28.199338][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 28.207285][ T12] RDX: 0000000000000000 RSI: ffffffff8128c9cd RDI: ffffed103b444dda [ 28.215233][ T12] RBP: ffff8881d27b5800 R08: ffff8881da211800 R09: fffffbfff11ab3ae [ 28.223178][ T12] R10: fffffbfff11ab3ad R11: ffffffff88d59d6f R12: 0000000000000003 [ 28.231128][ T12] R13: ffff8881d4a38ea0 R14: ffff8881cfabb0a0 R15: ffff8881d53d9600 [ 28.239082][ T12] ? vprintk_func+0x7d/0x113 [ 28.243649][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 28.248921][ T12] dlfb_submit_urb+0x89/0x160 [ 28.253580][ T12] dlfb_set_video_mode+0x2249/0x29b0 [ 28.258849][ T12] dlfb_ops_set_par+0x2a3/0x810 [ 28.263677][ T12] ? dlfb_handle_damage+0x660/0x660 [ 28.268854][ T12] ? dlfb_usb_probe.cold+0xeaf/0x1bba [ 28.274211][ T12] ? kfree+0xe4/0x320 [ 28.278168][ T12] dlfb_usb_probe.cold+0xed7/0x1bba [ 28.283357][ T12] ? edid_store+0x180/0x180 [ 28.287854][ T12] ? __pm_runtime_resume+0x111/0x180 [ 28.293120][ T12] usb_probe_interface+0x305/0x7a0 [ 28.298226][ T12] ? usb_probe_device+0x100/0x100 [ 28.303226][ T12] really_probe+0x281/0x6d0 [ 28.307707][ T12] driver_probe_device+0x104/0x210 [ 28.312800][ T12] __device_attach_driver+0x1c2/0x220 [ 28.318150][ T12] ? driver_allows_async_probing+0x160/0x160 [ 28.324123][ T12] bus_for_each_drv+0x162/0x1e0 [ 28.328949][ T12] ? bus_rescan_devices+0x20/0x20 [ 28.333953][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 28.339735][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 28.344994][ T12] __device_attach+0x217/0x360 [ 28.349732][ T12] ? device_bind_driver+0xd0/0xd0 [ 28.354731][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 28.359999][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 28.365260][ T12] bus_probe_device+0x1e4/0x290 [ 28.370090][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 28.375958][ T12] device_add+0xae6/0x16f0 [ 28.380347][ T12] ? uevent_store+0x50/0x50 [ 28.384828][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 28.390611][ T12] usb_set_configuration+0xdf6/0x1670 [ 28.395976][ T12] generic_probe+0x9d/0xd5 [ 28.400368][ T12] usb_probe_device+0x99/0x100 [ 28.405106][ T12] ? usb_suspend+0x620/0x620 [ 28.409681][ T12] really_probe+0x281/0x6d0 [ 28.414175][ T12] driver_probe_device+0x104/0x210 [ 28.419314][ T12] __device_attach_driver+0x1c2/0x220 [ 28.424676][ T12] ? driver_allows_async_probing+0x160/0x160 [ 28.430647][ T12] bus_for_each_drv+0x162/0x1e0 [ 28.435477][ T12] ? bus_rescan_devices+0x20/0x20 [ 28.440479][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 28.446258][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 28.451521][ T12] __device_attach+0x217/0x360 [ 28.456262][ T12] ? device_bind_driver+0xd0/0xd0 [ 28.461263][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 28.466524][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 28.471784][ T12] bus_probe_device+0x1e4/0x290 [ 28.476612][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 28.482490][ T12] device_add+0xae6/0x16f0 [ 28.486919][ T12] ? uevent_store+0x50/0x50 [ 28.491399][ T12] usb_new_device.cold+0x6a4/0xe79 [ 28.496486][ T12] hub_event+0x1df8/0x3800 [ 28.500878][ T12] ? hub_port_debounce+0x260/0x260 [ 28.506021][ T12] ? find_held_lock+0x2d/0x110 [ 28.510761][ T12] ? mark_held_locks+0xe0/0xe0 [ 28.515502][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 28.521020][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 28.526314][ T12] process_one_work+0x92b/0x1530 [ 28.531230][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 28.536663][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 28.541664][ T12] worker_thread+0x96/0xe20 [ 28.546147][ T12] ? process_one_work+0x1530/0x1530 [ 28.551318][ T12] kthread+0x318/0x420 [ 28.555362][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 28.560717][ T12] ret_from_fork+0x24/0x30 [ 28.565771][ T12] Kernel Offset: disabled [ 28.570119][ T12] Rebooting in 86400 seconds..