[ 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 '10.128.0.69' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.579515][ T3656] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 49.819466][ T3656] usb 1-1: Using ep0 maxpacket: 16 [ 49.949558][ T3656] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 49.960434][ T3656] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 49.970672][ T3656] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 49.983701][ T3656] usb 1-1: New USB device found, idVendor=056a, idProduct=0319, bcdDevice= 0.00 [ 49.992920][ T3656] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 50.001660][ T3656] usb 1-1: config 0 descriptor?? [ 50.471398][ T3656] wacom 0003:056A:0319.0001: unexpected long global item [ 50.478524][ T3656] wacom 0003:056A:0319.0001: parse failed [ 50.489103][ T3656] wacom: probe of 0003:056A:0319.0001 failed with error -22 [ 50.670047][ T3656] usb 1-1: USB disconnect, device number 2 executing program [ 56.098876][ T3656] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 56.338845][ T3656] usb 1-1: Using ep0 maxpacket: 16 [ 56.458960][ T3656] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 56.470012][ T3656] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 56.480247][ T3656] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 56.493275][ T3656] usb 1-1: New USB device found, idVendor=056a, idProduct=0319, bcdDevice= 0.00 [ 56.502584][ T3656] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 56.511296][ T3656] usb 1-1: config 0 descriptor?? [ 56.991089][ T3656] wacom 0003:056A:0319.0002: unexpected long global item [ 56.998163][ T3656] wacom 0003:056A:0319.0002: parse failed [ 57.007786][ T3656] wacom: probe of 0003:056A:0319.0002 failed with error -22 [ 57.189400][ T54] usb 1-1: USB disconnect, device number 3 executing program [ 62.628462][ T3656] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 62.888444][ T3656] usb 1-1: Using ep0 maxpacket: 16 [ 63.008528][ T3656] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 63.019495][ T3656] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 63.029636][ T3656] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 63.042620][ T3656] usb 1-1: New USB device found, idVendor=056a, idProduct=0319, bcdDevice= 0.00 [ 63.051840][ T3656] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 63.061642][ T3656] usb 1-1: config 0 descriptor?? [ 63.540336][ T3656] wacom 0003:056A:0319.0003: unexpected long global item [ 63.547444][ T3656] wacom 0003:056A:0319.0003: parse failed [ 63.557604][ T3656] wacom: probe of 0003:056A:0319.0003 failed with error -22 [ 63.738996][ T3656] usb 1-1: USB disconnect, device number 4 [ 64.750695][ T8476] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 70.856413][ T8476] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810dd19e00 (size 512): comm "kworker/0:2", pid 3656, jiffies 4294942972 (age 13.930s) 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: [<000000001dbc4c27>] __kfifo_alloc+0xad/0x100 [<00000000d98b6a2a>] wacom_probe+0x1a1/0x3b0 [<0000000098d33b3e>] hid_device_probe+0x16b/0x210 [<0000000088745ed2>] really_probe+0x159/0x480 [<000000009ed91745>] driver_probe_device+0x84/0x100 [<00000000c3fc942a>] __device_attach_driver+0xee/0x110 [<0000000084d479d0>] bus_for_each_drv+0xb7/0x100 [<00000000f1e85301>] __device_attach+0x122/0x250 [<00000000130eb497>] bus_probe_device+0xc6/0xe0 [<000000002d113f2d>] device_add+0x5ac/0xc30 [<000000008157498e>] hid_add_device+0x151/0x390 [<00000000f5c8d6cf>] usbhid_probe+0x412/0x560 [<00000000efa8674f>] usb_probe_interface+0x177/0x370 [<0000000088745ed2>] really_probe+0x159/0x480 [<000000009ed91745>] driver_probe_device+0x84/0x100 [<00000000c3fc942a>] __device_attach_driver+0xee/0x110 BUG: memory leak unreferenced object 0xffff888109ef7a00 (size 512): comm "kworker/0:2", pid 3656, jiffies 4294943627 (age 7.380s) 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: [<000000001dbc4c27>] __kfifo_alloc+0xad/0x100 [<00000000d98b6a2a>] wacom_probe+0x1a1/0x3b0 [<0000000098d33b3e>] hid_device_probe+0x16b/0x210 [<0000000088745ed2>] really_probe+0x159/0x480 [<000000009ed91745>] driver_probe_device+0x84/0x100 [<00000000c3fc942a>] __device_attach_driver+0xee/0x110 [<0000000084d479d0>] bus_for_each_drv+0xb7/0x100 [<00000000f1e85301>] __device_attach+0x122/0x250 [<00000000130eb497>] bus_probe_device+0xc6/0xe0 [<000000002d113f2d>] device_add+0x5ac/0xc30 [<000000008157498e>] hid_add_device+0x151/0x390 [<00000000f5c8d6cf>] usbhid_probe+0x412/0x560 [<00000000efa8674f>] usb_probe_interface+0x177/0x370 [<0000000088745ed2>] really_probe+0x159/0x480 [<000000009ed91745>] driver_probe_device+0x84/0x100 [<00000000c3fc942a>] __device_attach_driver+0xee/0x110