[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 15.130379][ 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 '10.128.1.53' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 31.725812][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 31.815976][ T94] usb 1-1: Using ep0 maxpacket: 16 [ 31.936326][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 31.947364][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 31.957234][ T94] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 31.970029][ T94] usb 1-1: New USB device found, idVendor=056a, idProduct=2431, bcdDevice= 0.00 [ 31.979177][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 31.988241][ T94] usb 1-1: config 0 descriptor?? [ 32.315858][ T94] usbhid 1-1:0.0: can't add hid device: -71 [ 32.321878][ T94] usbhid: probe of 1-1:0.0 failed with error -71 [ 32.329627][ T94] usb 1-1: USB disconnect, device number 2 [ 32.786231][ T94] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 32.875845][ T94] usb 1-1: Using ep0 maxpacket: 16 [ 32.995862][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 33.006784][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 33.016538][ T94] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 33.029450][ T94] usb 1-1: New USB device found, idVendor=056a, idProduct=2431, bcdDevice= 0.00 [ 33.038488][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 33.047554][ T94] usb 1-1: config 0 descriptor?? [ 33.530175][ T94] wacom 0003:056A:2431.0001: unknown main item tag 0x0 [ 33.537190][ T94] wacom 0003:056A:2431.0001: unknown main item tag 0x0 [ 33.544045][ T94] wacom 0003:056A:2431.0001: unknown main item tag 0x0 [ 33.550984][ T94] wacom 0003:056A:2431.0001: unknown main item tag 0x0 [ 33.557908][ T94] wacom 0003:056A:2431.0001: unknown main item tag 0x0 [ 33.565110][ T94] ------------[ cut here ]------------ [ 33.570585][ T94] WARNING: CPU: 1 PID: 94 at mm/page_alloc.c:4738 __alloc_pages_nodemask+0x375/0x7b0 [ 33.580011][ T94] Kernel panic - not syncing: panic_on_warn set ... [ 33.586577][ T94] CPU: 1 PID: 94 Comm: kworker/1:2 Not tainted 5.5.0-rc6-syzkaller #0 [ 33.594702][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.604738][ T94] Workqueue: usb_hub_wq hub_event [ 33.609778][ T94] Call Trace: [ 33.613045][ T94] dump_stack+0xef/0x16e [ 33.617267][ T94] ? __alloc_pages_nodemask+0x290/0x7b0 [ 33.622785][ T94] panic+0x2aa/0x6e1 [ 33.626653][ T94] ? add_taint.cold+0x16/0x16 [ 33.631304][ T94] ? printk+0xba/0xed [ 33.635260][ T94] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 33.640703][ T94] ? __warn.cold+0x14/0x30 [ 33.645090][ T94] ? __warn+0xd5/0x1c8 [ 33.649138][ T94] ? __alloc_pages_nodemask+0x375/0x7b0 [ 33.654655][ T94] __warn.cold+0x2f/0x30 [ 33.658871][ T94] ? __alloc_pages_nodemask+0x375/0x7b0 [ 33.664407][ T94] report_bug+0x27b/0x2f0 [ 33.668717][ T94] do_error_trap+0x12b/0x1e0 [ 33.673344][ T94] ? __alloc_pages_nodemask+0x375/0x7b0 [ 33.678872][ T94] do_invalid_op+0x32/0x40 [ 33.683263][ T94] ? __alloc_pages_nodemask+0x375/0x7b0 [ 33.688785][ T94] invalid_op+0x23/0x30 [ 33.693026][ T94] RIP: 0010:__alloc_pages_nodemask+0x375/0x7b0 [ 33.699164][ 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 e8 fd ff ff 81 e5 00 20 00 00 75 02 <0f> 0b 45 31 f6 e9 6e ff ff ff 65 8b 2d 62 ba 9f 7e 83 fd 07 0f 87 [ 33.718755][ T94] RSP: 0018:ffff8881d5d46ae8 EFLAGS: 00010246 [ 33.724885][ T94] RAX: 0000000000000000 RBX: 1ffff1103aba8d61 RCX: 0000000000000000 [ 33.733078][ T94] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000040cc0 [ 33.741032][ T94] RBP: 0000000000000000 R08: ffff8881d6acb100 R09: fffffbfff1269cae [ 33.748987][ T94] R10: fffffbfff1269cad R11: ffffffff8934e56f R12: 0000000000000012 [ 33.756938][ T94] R13: 0000000000000012 R14: 0000000000000000 R15: ffff8881c4e40000 [ 33.764896][ T94] ? find_held_lock+0x2d/0x110 [ 33.769639][ T94] ? __alloc_pages_slowpath+0x2300/0x2300 [ 33.775347][ T94] ? mark_lock+0xbc/0x1160 [ 33.779745][ T94] ? devres_add+0x20/0x40 [ 33.784057][ T94] alloc_pages_current+0xff/0x200 [ 33.789064][ T94] kmalloc_order+0x20/0x80 [ 33.793459][ T94] kmalloc_order_trace+0x18/0x130 [ 33.798466][ T94] wacom_parse_and_register+0x11bc/0x5260 [ 33.804165][ T94] ? wacom_battery_work+0x170/0x170 [ 33.809344][ T94] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 33.814884][ T94] ? hid_parser_global+0x1440/0x1440 [ 33.820148][ T94] ? debug_object_fixup+0x30/0x30 [ 33.825153][ T94] wacom_probe+0x94d/0xba0 [ 33.829552][ T94] ? wacom_parse_and_register+0x5260/0x5260 [ 33.835426][ T94] hid_device_probe+0x2be/0x3f0 [ 33.840264][ T94] ? hid_match_device+0x1f0/0x1f0 [ 33.845268][ T94] really_probe+0x290/0xad0 [ 33.849749][ T94] driver_probe_device+0x223/0x350 [ 33.854836][ T94] __device_attach_driver+0x1d1/0x290 [ 33.860185][ T94] ? driver_allows_async_probing+0x160/0x160 [ 33.866143][ T94] bus_for_each_drv+0x162/0x1e0 [ 33.870971][ T94] ? bus_rescan_devices+0x20/0x20 [ 33.875981][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 33.881770][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 33.887035][ T94] __device_attach+0x217/0x390 [ 33.891781][ T94] ? device_bind_driver+0xd0/0xd0 [ 33.896800][ T94] bus_probe_device+0x1e4/0x290 [ 33.901644][ T94] device_add+0x1459/0x1bf0 [ 33.906134][ T94] ? device_link_remove+0x110/0x110 [ 33.911317][ T94] ? __debugfs_create_file+0x301/0x3f0 [ 33.916758][ T94] hid_add_device+0x33c/0x9a0 [ 33.921416][ T94] ? __hid_bus_reprobe_drivers+0x130/0x130 [ 33.927204][ T94] ? lockdep_init_map+0x1b0/0x5e0 [ 33.932206][ T94] usbhid_probe+0xa81/0xfa0 [ 33.936692][ T94] usb_probe_interface+0x310/0x800 [ 33.941792][ T94] ? usb_probe_device+0x140/0x140 [ 33.946795][ T94] really_probe+0x290/0xad0 [ 33.951280][ T94] driver_probe_device+0x223/0x350 [ 33.956368][ T94] __device_attach_driver+0x1d1/0x290 [ 33.961720][ T94] ? driver_allows_async_probing+0x160/0x160 [ 33.967679][ T94] bus_for_each_drv+0x162/0x1e0 [ 33.972525][ T94] ? bus_rescan_devices+0x20/0x20 [ 33.977537][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 33.983328][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 33.988602][ T94] __device_attach+0x217/0x390 [ 33.993348][ T94] ? device_bind_driver+0xd0/0xd0 [ 33.998357][ T94] bus_probe_device+0x1e4/0x290 [ 34.003189][ T94] device_add+0x1459/0x1bf0 [ 34.007677][ T94] ? wait_for_completion+0x3c0/0x3c0 [ 34.012943][ T94] ? device_link_remove+0x110/0x110 [ 34.018123][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 34.023912][ T94] usb_set_configuration+0xe47/0x17d0 [ 34.029269][ T94] generic_probe+0x9d/0xd5 [ 34.033666][ T94] usb_probe_device+0xaf/0x140 [ 34.038408][ T94] ? usb_suspend+0x5f0/0x5f0 [ 34.042976][ T94] really_probe+0x290/0xad0 [ 34.047464][ T94] driver_probe_device+0x223/0x350 [ 34.052559][ T94] __device_attach_driver+0x1d1/0x290 [ 34.057912][ T94] ? driver_allows_async_probing+0x160/0x160 [ 34.063879][ T94] bus_for_each_drv+0x162/0x1e0 [ 34.068712][ T94] ? bus_rescan_devices+0x20/0x20 [ 34.073827][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 34.079619][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 34.084890][ T94] __device_attach+0x217/0x390 [ 34.089635][ T94] ? device_bind_driver+0xd0/0xd0 [ 34.094639][ T94] bus_probe_device+0x1e4/0x290 [ 34.099470][ T94] device_add+0x1459/0x1bf0 [ 34.103953][ T94] ? device_link_remove+0x110/0x110 [ 34.109134][ T94] usb_new_device.cold+0x540/0xcd0 [ 34.114232][ T94] hub_event+0x21cb/0x4300 [ 34.118632][ T94] ? hub_port_debounce+0x350/0x350 [ 34.123724][ T94] ? find_held_lock+0x2d/0x110 [ 34.128590][ T94] ? mark_held_locks+0xe0/0xe0 [ 34.133335][ T94] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 34.138859][ T94] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 34.144121][ T94] process_one_work+0x945/0x15c0 [ 34.149041][ T94] ? pwq_dec_nr_in_flight+0x310/0x310 [ 34.154392][ T94] ? do_raw_spin_lock+0x129/0x290 [ 34.159397][ T94] worker_thread+0x7ab/0xe20 [ 34.163968][ T94] ? process_one_work+0x15c0/0x15c0 [ 34.169162][ T94] kthread+0x318/0x420 [ 34.173216][ T94] ? kthread_create_on_node+0xf0/0xf0 [ 34.178570][ T94] ret_from_fork+0x24/0x30 [ 34.183714][ T94] Kernel Offset: disabled [ 34.188058][ T94] Rebooting in 86400 seconds..