[ 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 '10.128.0.14' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.282039][ T4888] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 49.642014][ T4888] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 49.652894][ T4888] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 49.663228][ T4888] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 49.676284][ T4888] usb 1-1: New USB device found, idVendor=056a, idProduct=00bb, bcdDevice= 0.00 [ 49.685539][ T4888] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 49.694194][ T4888] usb 1-1: config 0 descriptor?? [ 50.171980][ T4888] hid (null): unknown global tag 0xc [ 50.177316][ T4888] hid (null): global environment stack underflow [ 50.185704][ T4888] wacom 0003:056A:00BB.0001: unknown main item tag 0x0 [ 50.197586][ T4888] wacom 0003:056A:00BB.0001: unknown global tag 0xc [ 50.205497][ T4888] wacom 0003:056A:00BB.0001: item 0 4 1 12 parsing failed [ 50.213836][ T4888] wacom 0003:056A:00BB.0001: parse failed [ 50.219835][ T4888] wacom: probe of 0003:056A:00BB.0001 failed with error -22 [ 50.372500][ T4888] usb 1-1: USB disconnect, device number 2 executing program [ 55.871211][ T3116] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 56.241268][ T3116] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 56.252250][ T3116] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 56.262416][ T3116] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 56.275447][ T3116] usb 1-1: New USB device found, idVendor=056a, idProduct=00bb, bcdDevice= 0.00 [ 56.284687][ T3116] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 56.293388][ T3116] usb 1-1: config 0 descriptor?? [ 56.761318][ T3116] hid (null): unknown global tag 0xc [ 56.766686][ T3116] hid (null): global environment stack underflow [ 56.775039][ T3116] wacom 0003:056A:00BB.0002: unknown main item tag 0x0 [ 56.785892][ T3116] wacom 0003:056A:00BB.0002: unknown global tag 0xc [ 56.793630][ T3116] wacom 0003:056A:00BB.0002: item 0 4 1 12 parsing failed [ 56.800832][ T3116] wacom 0003:056A:00BB.0002: parse failed [ 56.808725][ T3116] wacom: probe of 0003:056A:00BB.0002 failed with error -22 [ 56.961776][ T4888] usb 1-1: USB disconnect, device number 3 executing program [ 62.460688][ T3116] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 62.830747][ T3116] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 62.842263][ T3116] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 62.852000][ T3116] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 62.864808][ T3116] usb 1-1: New USB device found, idVendor=056a, idProduct=00bb, bcdDevice= 0.00 [ 62.873835][ T3116] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 62.882386][ T3116] usb 1-1: config 0 descriptor?? [ 63.360802][ T3116] hid (null): unknown global tag 0xc [ 63.366113][ T3116] hid (null): global environment stack underflow [ 63.374518][ T3116] wacom 0003:056A:00BB.0003: unknown main item tag 0x0 [ 63.385325][ T3116] wacom 0003:056A:00BB.0003: unknown global tag 0xc [ 63.393195][ T3116] wacom 0003:056A:00BB.0003: item 0 4 1 12 parsing failed [ 63.400314][ T3116] wacom 0003:056A:00BB.0003: parse failed [ 63.408184][ T3116] wacom: probe of 0003:056A:00BB.0003 failed with error -22 [ 63.561428][ T4888] usb 1-1: USB disconnect, device number 4 executing program [ 69.070348][ T3116] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 69.450427][ T3116] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 69.462093][ T3116] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 69.472333][ T3116] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 69.485506][ T3116] usb 1-1: New USB device found, idVendor=056a, idProduct=00bb, bcdDevice= 0.00 [ 69.495144][ T3116] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 69.503922][ T3116] usb 1-1: config 0 descriptor?? [ 69.980481][ T3116] hid (null): unknown global tag 0xc [ 69.985800][ T3116] hid (null): global environment stack underflow [ 69.994146][ T3116] wacom 0003:056A:00BB.0004: unknown main item tag 0x0 [ 70.004932][ T3116] wacom 0003:056A:00BB.0004: unknown global tag 0xc [ 70.012726][ T3116] wacom 0003:056A:00BB.0004: item 0 4 1 12 parsing failed [ 70.019929][ T3116] wacom 0003:056A:00BB.0004: parse failed [ 70.027954][ T3116] wacom: probe of 0003:056A:00BB.0004 failed with error -22 [ 70.180951][ T3116] usb 1-1: USB disconnect, device number 5 executing program [ 75.740148][ T3116] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 76.100158][ T3116] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 76.111302][ T3116] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 76.121567][ T3116] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 76.134699][ T3116] usb 1-1: New USB device found, idVendor=056a, idProduct=00bb, bcdDevice= 0.00 [ 76.143982][ T3116] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 76.152735][ T3116] usb 1-1: config 0 descriptor?? [ 76.620226][ T3116] hid (null): unknown global tag 0xc [ 76.625543][ T3116] hid (null): global environment stack underflow [ 76.633965][ T3116] wacom 0003:056A:00BB.0005: unknown main item tag 0x0 [ 76.644693][ T3116] wacom 0003:056A:00BB.0005: unknown global tag 0xc [ 76.652399][ T3116] wacom 0003:056A:00BB.0005: item 0 4 1 12 parsing failed [ 76.659666][ T3116] wacom 0003:056A:00BB.0005: parse failed [ 76.667626][ T3116] wacom: probe of 0003:056A:00BB.0005 failed with error -22 [ 76.820625][ T4888] usb 1-1: USB disconnect, device number 6 [ 77.882203][ T8480] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810b8e7e00 (size 512): comm "kworker/1:2", pid 3116, jiffies 4294944271 (age 14.150s) 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: [<000000008729f446>] __kfifo_alloc+0xad/0x100 [<000000001e4e2855>] wacom_probe+0x1a1/0x3b0 [<000000003b9a352c>] hid_device_probe+0x16b/0x210 [<0000000021f22610>] really_probe+0x159/0x480 [<00000000d1eaacce>] driver_probe_device+0x84/0x100 [<00000000d6e2c60b>] __device_attach_driver+0xee/0x110 [<00000000f73debda>] bus_for_each_drv+0xb7/0x100 [<0000000030676f14>] __device_attach+0x122/0x250 [<00000000bfa4f575>] bus_probe_device+0xc6/0xe0 [<00000000911cf768>] device_add+0x5ac/0xc30 [<00000000fd1cbd2a>] hid_add_device+0x151/0x390 [<00000000d130782a>] usbhid_probe+0x412/0x560 [<00000000a7928ae0>] usb_probe_interface+0x177/0x370 [<0000000021f22610>] really_probe+0x159/0x480 [<00000000d1eaacce>] driver_probe_device+0x84/0x100 [<00000000d6e2c60b>] __device_attach_driver+0xee/0x110