[ 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 '10.128.1.47' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 69.488526][ T3255] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 69.848609][ T3255] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 69.859491][ T3255] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 69.869727][ T3255] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 69.882797][ T3255] usb 1-1: New USB device found, idVendor=056a, idProduct=09bb, bcdDevice= 4.01 [ 69.892031][ T3255] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 69.900701][ T3255] usb 1-1: config 0 descriptor?? [ 70.378632][ T3255] hid (null): report_id 0 is invalid [ 70.385553][ T3255] wacom 0003:056A:09BB.0001: unknown main item tag 0x1 [ 70.396666][ T3255] wacom 0003:056A:09BB.0001: unknown main item tag 0xd [ 70.403599][ T3255] wacom 0003:056A:09BB.0001: unknown main item tag 0xe [ 70.410526][ T3255] wacom 0003:056A:09BB.0001: unknown main item tag 0xd [ 70.417376][ T3255] wacom 0003:056A:09BB.0001: report_id 0 is invalid [ 70.424092][ T3255] wacom 0003:056A:09BB.0001: item 0 0 1 8 parsing failed [ 70.431249][ T3255] wacom 0003:056A:09BB.0001: parse failed [ 70.437003][ T3255] wacom: probe of 0003:056A:09BB.0001 failed with error -22 [ 70.579144][ T5] usb 1-1: USB disconnect, device number 2 executing program [ 76.728353][ T3255] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 77.088421][ T3255] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 77.099316][ T3255] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 77.109106][ T3255] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 77.121932][ T3255] usb 1-1: New USB device found, idVendor=056a, idProduct=09bb, bcdDevice= 4.01 [ 77.130979][ T3255] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 77.139504][ T3255] usb 1-1: config 0 descriptor?? [ 77.618460][ T3255] hid (null): report_id 0 is invalid [ 77.625417][ T3255] wacom 0003:056A:09BB.0002: unknown main item tag 0x1 [ 77.635797][ T3255] wacom 0003:056A:09BB.0002: unknown main item tag 0xd [ 77.642731][ T3255] wacom 0003:056A:09BB.0002: unknown main item tag 0xe [ 77.649645][ T3255] wacom 0003:056A:09BB.0002: unknown main item tag 0xd [ 77.656484][ T3255] wacom 0003:056A:09BB.0002: report_id 0 is invalid [ 77.663152][ T3255] wacom 0003:056A:09BB.0002: item 0 0 1 8 parsing failed [ 77.670348][ T3255] wacom 0003:056A:09BB.0002: parse failed [ 77.676077][ T3255] wacom: probe of 0003:056A:09BB.0002 failed with error -22 [ 77.818904][ T3255] usb 1-1: USB disconnect, device number 3 executing program [ 83.968329][ T5] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 84.328388][ T5] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 84.339273][ T5] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 84.349500][ T5] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 84.362527][ T5] usb 1-1: New USB device found, idVendor=056a, idProduct=09bb, bcdDevice= 4.01 [ 84.371907][ T5] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 84.380677][ T5] usb 1-1: config 0 descriptor?? [ 84.858468][ T5] hid (null): report_id 0 is invalid [ 84.865362][ T5] wacom 0003:056A:09BB.0003: unknown main item tag 0x1 [ 84.875786][ T5] wacom 0003:056A:09BB.0003: unknown main item tag 0xd [ 84.882756][ T5] wacom 0003:056A:09BB.0003: unknown main item tag 0xe [ 84.889671][ T5] wacom 0003:056A:09BB.0003: unknown main item tag 0xd [ 84.896540][ T5] wacom 0003:056A:09BB.0003: report_id 0 is invalid [ 84.903233][ T5] wacom 0003:056A:09BB.0003: item 0 0 1 8 parsing failed [ 84.910375][ T5] wacom 0003:056A:09BB.0003: parse failed [ 84.916098][ T5] wacom: probe of 0003:056A:09BB.0003 failed with error -22 [ 85.058846][ T3255] usb 1-1: USB disconnect, device number 4 [ 90.831516][ T8471] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810d614e00 (size 512): comm "kworker/0:0", pid 5, jiffies 4294945759 (age 7.980s) 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: [<000000009edb910a>] __kfifo_alloc+0xad/0x100 [<00000000df11dc27>] wacom_probe+0x1a1/0x3b0 [<000000003a6fc4d5>] hid_device_probe+0x16b/0x210 [<00000000a451ed44>] really_probe+0x159/0x480 [<00000000360bfcef>] driver_probe_device+0x84/0x100 [<00000000f6fad8c4>] __device_attach_driver+0xee/0x110 [<000000008f09c1f7>] bus_for_each_drv+0xb7/0x100 [<00000000effadd61>] __device_attach+0x122/0x250 [<00000000ce614c95>] bus_probe_device+0xc6/0xe0 [<00000000677e2f83>] device_add+0x5ac/0xc30 [<00000000f5f05869>] hid_add_device+0x151/0x390 [<00000000c9753199>] usbhid_probe+0x412/0x560 [<00000000d12b6550>] usb_probe_interface+0x177/0x370 [<00000000a451ed44>] really_probe+0x159/0x480 [<00000000360bfcef>] driver_probe_device+0x84/0x100 [<00000000f6fad8c4>] __device_attach_driver+0xee/0x110