[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.41' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 50.390982][ T3237] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 50.761010][ T3237] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 50.771874][ T3237] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 50.781699][ T3237] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 50.794523][ T3237] usb 1-1: New USB device found, idVendor=056a, idProduct=030c, bcdDevice= 0.00 [ 50.803589][ T3237] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 50.812256][ T3237] usb 1-1: config 0 descriptor?? [ 51.311224][ T3237] hid (null): unknown global tag 0xc [ 51.316506][ T3237] hid (null): unknown global tag 0xd [ 51.323108][ T3237] wacom 0003:056A:030C.0001: unknown main item tag 0x0 [ 51.329983][ T3237] wacom 0003:056A:030C.0001: item 0 4 0 11 parsing failed [ 51.337334][ T3237] wacom 0003:056A:030C.0001: parse failed [ 51.343204][ T3237] wacom: probe of 0003:056A:030C.0001 failed with error -22 [ 51.512787][ T5] usb 1-1: USB disconnect, device number 2 executing program [ 57.370018][ T3237] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 57.750048][ T3237] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 57.760922][ T3237] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 57.771674][ T3237] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 57.784539][ T3237] usb 1-1: New USB device found, idVendor=056a, idProduct=030c, bcdDevice= 0.00 [ 57.793591][ T3237] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 57.802296][ T3237] usb 1-1: config 0 descriptor?? [ 58.270357][ T3237] hid (null): unknown global tag 0xc [ 58.275667][ T3237] hid (null): unknown global tag 0xd [ 58.282103][ T3237] wacom 0003:056A:030C.0002: unknown main item tag 0x0 [ 58.288979][ T3237] wacom 0003:056A:030C.0002: item 0 4 0 11 parsing failed [ 58.296127][ T3237] wacom 0003:056A:030C.0002: parse failed [ 58.301880][ T3237] wacom: probe of 0003:056A:030C.0002 failed with error -22 [ 58.470565][ T5] usb 1-1: USB disconnect, device number 3 [ 59.684066][ T8472] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810e309c00 (size 512): comm "kworker/1:2", pid 3237, jiffies 4294942393 (age 14.960s) 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: [<000000000be504a6>] __kfifo_alloc+0xad/0x100 [<000000003f60f9e4>] wacom_probe+0x1a1/0x3b0 [<0000000088f510ad>] hid_device_probe+0x16b/0x210 [<000000006842fce2>] really_probe+0x159/0x480 [<000000006a849ad1>] driver_probe_device+0x84/0x100 [<000000001748ed68>] __device_attach_driver+0xee/0x110 [<00000000652f102f>] bus_for_each_drv+0xb7/0x100 [<00000000e18115bd>] __device_attach+0x122/0x250 [<00000000ccde961e>] bus_probe_device+0xc6/0xe0 [<000000001aca4bd1>] device_add+0x5ac/0xc30 [<0000000010ec897a>] hid_add_device+0x151/0x390 [<00000000c0a65040>] usbhid_probe+0x412/0x560 [<00000000b53c6c66>] usb_probe_interface+0x177/0x370 [<000000006842fce2>] really_probe+0x159/0x480 [<000000006a849ad1>] driver_probe_device+0x84/0x100 [<000000001748ed68>] __device_attach_driver+0xee/0x110