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 '10.128.0.9' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 29.590148][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 29.829972][ T94] usb 1-1: Using ep0 maxpacket: 16 [ 29.950122][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 29.961167][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has wMaxPacketSize 0, skipping [ 29.971341][ T94] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 29.984190][ T94] usb 1-1: New USB device found, idVendor=056a, idProduct=2431, bcdDevice= 0.00 [ 29.993248][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 30.002975][ T94] usb 1-1: config 0 descriptor?? [ 30.350043][ T94] usbhid 1-1:0.0: can't add hid device: -71 [ 30.356118][ T94] usbhid: probe of 1-1:0.0 failed with error -71 [ 30.364171][ T94] usb 1-1: USB disconnect, device number 2 [ 30.820011][ T94] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 31.059974][ T94] usb 1-1: Using ep0 maxpacket: 16 [ 31.180098][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 31.191072][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has wMaxPacketSize 0, skipping [ 31.201029][ T94] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 31.213889][ T94] usb 1-1: New USB device found, idVendor=056a, idProduct=2431, bcdDevice= 0.00 [ 31.222994][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 31.232271][ T94] usb 1-1: config 0 descriptor?? [ 31.714713][ T94] wacom 0003:056A:2431.0001: unknown main item tag 0x0 [ 31.721828][ T94] wacom 0003:056A:2431.0001: unknown main item tag 0x0 [ 31.728743][ T94] wacom 0003:056A:2431.0001: unknown main item tag 0x0 [ 31.735678][ T94] wacom 0003:056A:2431.0001: unknown main item tag 0x0 [ 31.742605][ T94] wacom 0003:056A:2431.0001: unknown main item tag 0x0 [ 31.750026][ T94] ------------[ cut here ]------------ [ 31.755496][ T94] WARNING: CPU: 1 PID: 94 at mm/page_alloc.c:4738 __alloc_pages_nodemask+0x36c/0x790 [ 31.764926][ T94] Kernel panic - not syncing: panic_on_warn set ... [ 31.771492][ T94] CPU: 1 PID: 94 Comm: kworker/1:2 Not tainted 5.5.0-rc3-syzkaller #0 [ 31.779717][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.789759][ T94] Workqueue: usb_hub_wq hub_event [ 31.794756][ T94] Call Trace: [ 31.798037][ T94] dump_stack+0xef/0x16e [ 31.802258][ T94] ? __alloc_pages_nodemask+0x280/0x790 [ 31.807776][ T94] panic+0x2aa/0x6e1 [ 31.811668][ T94] ? add_taint.cold+0x16/0x16 [ 31.816321][ T94] ? printk+0xba/0xed [ 31.820289][ T94] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 31.825737][ T94] ? __warn.cold+0x14/0x30 [ 31.830129][ T94] ? __warn+0xd5/0x1c8 [ 31.834183][ T94] ? __alloc_pages_nodemask+0x36c/0x790 [ 31.839702][ T94] __warn.cold+0x2f/0x30 [ 31.843930][ T94] ? __alloc_pages_nodemask+0x36c/0x790 [ 31.849459][ T94] report_bug+0x27b/0x2f0 [ 31.853765][ T94] do_error_trap+0x12b/0x1e0 [ 31.858347][ T94] ? __alloc_pages_nodemask+0x36c/0x790 [ 31.863865][ T94] do_invalid_op+0x32/0x40 [ 31.868254][ T94] ? __alloc_pages_nodemask+0x36c/0x790 [ 31.873786][ T94] invalid_op+0x23/0x30 [ 31.877981][ T94] RIP: 0010:__alloc_pages_nodemask+0x36c/0x790 [ 31.884132][ T94] Code: fe ff ff 65 48 8b 04 25 00 0f 02 00 48 05 68 10 00 00 41 be 01 00 00 00 48 89 44 24 58 e9 f1 fd ff ff 81 e5 00 20 00 00 75 02 <0f> 0b 45 31 f6 e9 6e ff ff ff 8b 44 24 68 89 04 24 65 8b 2d 54 e7 [ 31.903723][ T94] RSP: 0018:ffff8881d66d6ae8 EFLAGS: 00010246 [ 31.909767][ T94] RAX: 0000000000000000 RBX: 1ffff1103acdad61 RCX: 0000000000000000 [ 31.917747][ T94] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000040cc0 [ 31.925722][ T94] RBP: 0000000000000000 R08: ffff8881d6c5b100 R09: fffffbfff11ad0a6 [ 31.933699][ T94] R10: fffffbfff11ad0a5 R11: ffffffff88d6852f R12: 0000000000000012 [ 31.941657][ T94] R13: 0000000000000012 R14: 0000000000000000 R15: ffff8881c6a00000 [ 31.949650][ T94] ? find_held_lock+0x2d/0x110 [ 31.954395][ T94] ? __alloc_pages_slowpath+0x2270/0x2270 [ 31.960267][ T94] ? mark_lock+0xbc/0x1160 [ 31.964663][ T94] ? devres_add+0x20/0x40 [ 31.968972][ T94] alloc_pages_current+0xff/0x200 [ 31.973980][ T94] kmalloc_order+0x20/0x80 [ 31.978483][ T94] kmalloc_order_trace+0x18/0x110 [ 31.983501][ T94] wacom_parse_and_register+0x11bc/0x5260 [ 31.989208][ T94] ? wacom_battery_work+0x170/0x170 [ 31.994398][ T94] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 31.999924][ T94] ? hid_parser_global+0x1440/0x1440 [ 32.005198][ T94] ? debug_object_fixup+0x30/0x30 [ 32.010204][ T94] wacom_probe+0x94d/0xba0 [ 32.014599][ T94] ? wacom_parse_and_register+0x5260/0x5260 [ 32.020471][ T94] hid_device_probe+0x2be/0x3f0 [ 32.025298][ T94] ? hid_match_device+0x1f0/0x1f0 [ 32.030303][ T94] really_probe+0x281/0x6d0 [ 32.034785][ T94] driver_probe_device+0x104/0x210 [ 32.040051][ T94] __device_attach_driver+0x1c2/0x220 [ 32.045398][ T94] ? driver_allows_async_probing+0x160/0x160 [ 32.051358][ T94] bus_for_each_drv+0x162/0x1e0 [ 32.056187][ T94] ? bus_rescan_devices+0x20/0x20 [ 32.061198][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 32.066981][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 32.072258][ T94] __device_attach+0x217/0x360 [ 32.077004][ T94] ? device_bind_driver+0xd0/0xd0 [ 32.082009][ T94] bus_probe_device+0x1e4/0x290 [ 32.086854][ T94] device_add+0x141f/0x1bc0 [ 32.091596][ T94] ? device_links_flush_sync_list+0x350/0x350 [ 32.097645][ T94] ? __debugfs_create_file+0x301/0x3f0 [ 32.103105][ T94] hid_add_device+0x33c/0x9a0 [ 32.107785][ T94] ? __hid_bus_reprobe_drivers+0x130/0x130 [ 32.113581][ T94] ? lockdep_init_map+0x1b0/0x5e0 [ 32.118621][ T94] usbhid_probe+0xa81/0xfa0 [ 32.123124][ T94] usb_probe_interface+0x305/0x7a0 [ 32.128213][ T94] ? usb_probe_device+0x100/0x100 [ 32.133256][ T94] really_probe+0x281/0x6d0 [ 32.137738][ T94] driver_probe_device+0x104/0x210 [ 32.142839][ T94] __device_attach_driver+0x1c2/0x220 [ 32.148200][ T94] ? driver_allows_async_probing+0x160/0x160 [ 32.154468][ T94] bus_for_each_drv+0x162/0x1e0 [ 32.159309][ T94] ? bus_rescan_devices+0x20/0x20 [ 32.164336][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 32.170127][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 32.175395][ T94] __device_attach+0x217/0x360 [ 32.180143][ T94] ? device_bind_driver+0xd0/0xd0 [ 32.185159][ T94] bus_probe_device+0x1e4/0x290 [ 32.189989][ T94] device_add+0x141f/0x1bc0 [ 32.194483][ T94] ? wait_for_completion+0x3c0/0x3c0 [ 32.199758][ T94] ? device_links_flush_sync_list+0x350/0x350 [ 32.205814][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 32.211623][ T94] usb_set_configuration+0xe38/0x16c0 [ 32.217001][ T94] generic_probe+0x9d/0xd5 [ 32.221427][ T94] usb_probe_device+0x99/0x100 [ 32.226192][ T94] ? usb_suspend+0x620/0x620 [ 32.230782][ T94] really_probe+0x281/0x6d0 [ 32.235278][ T94] driver_probe_device+0x104/0x210 [ 32.240386][ T94] __device_attach_driver+0x1c2/0x220 [ 32.245759][ T94] ? driver_allows_async_probing+0x160/0x160 [ 32.251744][ T94] bus_for_each_drv+0x162/0x1e0 [ 32.256596][ T94] ? bus_rescan_devices+0x20/0x20 [ 32.261620][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 32.267436][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 32.272728][ T94] __device_attach+0x217/0x360 [ 32.277487][ T94] ? device_bind_driver+0xd0/0xd0 [ 32.282522][ T94] bus_probe_device+0x1e4/0x290 [ 32.287381][ T94] device_add+0x141f/0x1bc0 [ 32.291877][ T94] ? device_links_flush_sync_list+0x350/0x350 [ 32.297932][ T94] usb_new_device.cold+0x6a4/0xe79 [ 32.303022][ T94] hub_event+0x1e59/0x3860 [ 32.307423][ T94] ? hub_port_debounce+0x260/0x260 [ 32.312532][ T94] ? find_held_lock+0x2d/0x110 [ 32.317305][ T94] ? mark_held_locks+0xe0/0xe0 [ 32.322065][ T94] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 32.327601][ T94] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 32.332870][ T94] process_one_work+0x92b/0x1530 [ 32.337792][ T94] ? pwq_dec_nr_in_flight+0x310/0x310 [ 32.343156][ T94] ? do_raw_spin_lock+0x129/0x290 [ 32.348343][ T94] worker_thread+0x7ab/0xe20 [ 32.352934][ T94] ? process_one_work+0x1530/0x1530 [ 32.358287][ T94] kthread+0x318/0x420 [ 32.362336][ T94] ? kthread_create_on_node+0xf0/0xf0 [ 32.367687][ T94] ret_from_fork+0x24/0x30 [ 32.372943][ T94] Kernel Offset: disabled [ 32.377301][ T94] Rebooting in 86400 seconds..