[  OK  ] Reached target Login Prompts.
[  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

Warning: Permanently added '10.128.0.94' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   86.124806][ T3736] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   86.364831][ T3736] usb 1-1: Using ep0 maxpacket: 8
[   86.484893][ T3736] usb 1-1: too many endpoints for config 0 interface 0 altsetting 0: 253, using maximum allowed: 30
[   86.495765][ T3736] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
[   86.506653][ T3736] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[   86.516426][ T3736] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 253
[   86.529384][ T3736] usb 1-1: New USB device found, idVendor=056a, idProduct=0339, bcdDevice= 0.40
[   86.538441][ T3736] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   86.547031][ T3736] usb 1-1: config 0 descriptor??
[   87.026562][ T3736] wacom 0003:056A:0339.0001: unknown main item tag 0x0
[   87.033496][ T3736] wacom 0003:056A:0339.0001: Unknown device_type for 'HID 056a:0339'. Ignoring.
[   87.225548][ T3736] usb 1-1: USB disconnect, device number 2
[   93.005354][ T8469] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810d170e00 (size 512):
  comm "kworker/0:2", pid 3736, jiffies 4294945972 (age 8.000s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000c607d81c>] __kfifo_alloc+0xad/0x100
    [<00000000a5f5d49a>] wacom_probe+0x1a1/0x3b0
    [<000000009f412b3e>] hid_device_probe+0x16b/0x210
    [<000000008587e8f4>] really_probe+0x159/0x480
    [<00000000d37fa04e>] driver_probe_device+0x84/0x100
    [<00000000963d33f4>] __device_attach_driver+0xee/0x110
    [<00000000cf9012c8>] bus_for_each_drv+0xb7/0x100
    [<000000001729b464>] __device_attach+0x122/0x250
    [<000000005eee68b6>] bus_probe_device+0xc6/0xe0
    [<000000005db6a1f2>] device_add+0x5ac/0xc30
    [<0000000049aea6a4>] hid_add_device+0x151/0x390
    [<0000000008c9ac13>] usbhid_probe+0x412/0x560
    [<0000000095759415>] usb_probe_interface+0x177/0x370
    [<000000008587e8f4>] really_probe+0x159/0x480
    [<00000000d37fa04e>] driver_probe_device+0x84/0x100
    [<00000000963d33f4>] __device_attach_driver+0xee/0x110