[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.


Debian GNU/Linux 9 syzkaller ttyS0

syzkaller login: [   16.459718][    C1] random: crng init done
[   16.464244][    C1] random: 7 urandom warning(s) missed due to ratelimiting
Warning: Permanently added '10.128.0.96' (ECDSA) to the list of known hosts.
executing program
[   23.670233][   T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   23.760284][   T22] usb 1-1: Using ep0 maxpacket: 8
[   23.880036][   T22] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
[   23.891050][   T22] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[   23.900823][   T22] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 5
[   23.913707][   T22] usb 1-1: New USB device found, idVendor=056a, idProduct=00d3, bcdDevice= 0.00
[   23.922974][   T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   23.932581][   T22] usb 1-1: config 0 descriptor??
[   24.169933][  T348] udc-core: couldn't find an available UDC or it's busy
[   24.176965][  T348] misc raw-gadget: fail, usb_gadget_probe_driver returned -16
[   24.279621][   T22] usbhid 1-1:0.0: can't add hid device: -71
[   24.285809][   T22] usbhid: probe of 1-1:0.0 failed with error -71
[   24.294909][   T22] usb 1-1: USB disconnect, device number 2
[   24.749173][   T22] usb 1-1: new high-speed USB device number 3 using dummy_hcd
[   24.839163][   T22] usb 1-1: Using ep0 maxpacket: 8
[   24.959076][   T22] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
[   24.970009][   T22] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[   24.979868][   T22] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[   24.992715][   T22] usb 1-1: New USB device found, idVendor=0458, idProduct=5015, bcdDevice= 0.00
[   25.001797][   T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   25.010898][   T22] usb 1-1: config 0 descriptor??
[   25.492211][   T22] kye 0003:0458:5015.0001: unknown main item tag 0x3
[   25.499166][   T22] kye 0003:0458:5015.0001: unknown main item tag 0xd
[   25.507374][   T22] kye 0003:0458:5015.0001: hidraw0: USB HID v0.00 Device [HID 0458:5015] on usb-dummy_hcd.0-1/input0
[   25.518582][   T22] ------------[ cut here ]------------
[   25.524200][   T22] WARNING: CPU: 1 PID: 22 at mm/page_alloc.c:4713 __alloc_pages_nodemask+0x375/0x7b0
[   25.533643][   T22] Kernel panic - not syncing: panic_on_warn set ...
[   25.540209][   T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.6.0-rc7-syzkaller #0
[   25.548416][   T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   25.558471][   T22] Workqueue: usb_hub_wq hub_event
[   25.563477][   T22] Call Trace:
[   25.566753][   T22]  dump_stack+0xef/0x16e
[   25.571022][   T22]  ? __alloc_pages_nodemask+0x2d0/0x7b0
[   25.576546][   T22]  panic+0x2aa/0x6e1
[   25.580484][   T22]  ? add_taint.cold+0x16/0x16
[   25.585183][   T22]  ? printk+0xba/0xed
[   25.589148][   T22]  ? kmsg_dump_rewind_nolock+0xd9/0xd9
[   25.594649][   T22]  ? __warn.cold+0x14/0x30
[   25.599045][   T22]  ? __warn+0xd5/0x1c8
[   25.603116][   T22]  ? __alloc_pages_nodemask+0x375/0x7b0
[   25.608644][   T22]  __warn.cold+0x2f/0x30
[   25.612877][   T22]  ? __alloc_pages_nodemask+0x375/0x7b0
[   25.618401][   T22]  report_bug+0x27b/0x2f0
[   25.622707][   T22]  do_error_trap+0x12b/0x1e0
[   25.627271][   T22]  ? __alloc_pages_nodemask+0x375/0x7b0
[   25.632791][   T22]  do_invalid_op+0x32/0x40
[   25.637199][   T22]  ? __alloc_pages_nodemask+0x375/0x7b0
[