[  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 '10.128.0.148' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   55.246965][ T3637] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   55.516939][ T3637] usb 1-1: Using ep0 maxpacket: 16
[   55.636966][ T3637] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
[   55.647907][ T3637] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[   55.658219][ T3637] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[   55.671446][ T3637] usb 1-1: New USB device found, idVendor=056a, idProduct=0319, bcdDevice= 0.00
[   55.680781][ T3637] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   55.690700][ T3637] usb 1-1: config 0 descriptor??
[   56.166995][ T3637] hid (null): global environment stack underflow
[   56.175430][ T3637] wacom 0003:056A:0319.0001: global environment stack underflow
[   56.188135][ T3637] wacom 0003:056A:0319.0001: item 0 0 1 11 parsing failed
[   56.195269][ T3637] wacom 0003:056A:0319.0001: parse failed
[   56.203553][ T3637] wacom: probe of 0003:056A:0319.0001 failed with error -22
[   56.367552][ T3637] usb 1-1: USB disconnect, device number 2
executing program
[   62.566249][ T3637] usb 1-1: new high-speed USB device number 3 using dummy_hcd
[   62.806196][ T3637] usb 1-1: Using ep0 maxpacket: 16
[   62.936234][ T3637] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
[   62.947148][ T3637] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[   62.957441][ T3637] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[   62.970579][ T3637] usb 1-1: New USB device found, idVendor=056a, idProduct=0319, bcdDevice= 0.00
[   62.979905][ T3637] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   62.988744][ T3637] usb 1-1: config 0 descriptor??
[   63.466271][ T3637] hid (null): global environment stack underflow
[   63.474496][ T3637] wacom 0003:056A:0319.0002: global environment stack underflow
[   63.486278][ T3637] wacom 0003:056A:0319.0002: item 0 0 1 11 parsing failed
[   63.493446][ T3637] wacom 0003:056A:0319.0002: parse failed
[   63.499301][ T3637] wacom: probe of 0003:056A:0319.0002 failed with error -22
[   63.666842][ T3259] usb 1-1: USB disconnect, device number 3
executing program
[   69.865776][ T3637] usb 1-1: new high-speed USB device number 4 using dummy_hcd
[   70.135732][ T3637] usb 1-1: Using ep0 maxpacket: 16
[   70.255798][ T3637] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
[   70.266739][ T3637] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
[   70.276867][ T3637] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9
[   70.289779][ T3637] usb 1-1: New USB device found, idVendor=056a, idProduct=0319, bcdDevice= 0.00
[   70.303014][ T3637] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   70.311970][ T3637] usb 1-1: config 0 descriptor??
[   70.795802][ T3637] hid (null): global environment stack underflow
[   70.802749][ T3637] wacom 0003:056A:0319.0003: global environment stack underflow
[   70.815020][ T3637] wacom 0003:056A:0319.0003: item 0 0 1 11 parsing failed
[   70.822331][ T3637] wacom 0003:056A:0319.0003: parse failed
[   70.828189][ T3637] wacom: probe of 0003:056A:0319.0003 failed with error -22
[   70.996294][ T3259] usb 1-1: USB disconnect, device number 4
[   76.800945][ T8473] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810f2d1c00 (size 512):
  comm "kworker/0:2", pid 3637, jiffies 4294944346 (age 8.040s)
  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:
    [<00000000a99859ee>] __kfifo_alloc+0xad/0x100
    [<000000009f4f8f22>] wacom_probe+0x1a1/0x3b0
    [<00000000e6d5380a>] hid_device_probe+0x16b/0x210
    [<00000000e76227f8>] really_probe+0x159/0x480
    [<000000002ac6c7d8>] driver_probe_device+0x84/0x100
    [<000000003d876299>] __device_attach_driver+0xee/0x110
    [<00000000eee3cb20>] bus_for_each_drv+0xb7/0x100
    [<00000000da45312b>] __device_attach+0x122/0x250
    [<00000000071c4520>] bus_probe_device+0xc6/0xe0
    [<00000000b67d8473>] device_add+0x5ac/0xc30
    [<000000002d66b710>] hid_add_device+0x151/0x390
    [<00000000743a406f>] usbhid_probe+0x412/0x560
    [<00000000588a1cfc>] usb_probe_interface+0x177/0x370
    [<00000000e76227f8>] really_probe+0x159/0x480
    [<000000002ac6c7d8>] driver_probe_device+0x84/0x100
    [<000000003d876299>] __device_attach_driver+0xee/0x110