[ 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 '10.128.0.168' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 51.131209][ T3257] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 51.371180][ T3257] usb 1-1: Using ep0 maxpacket: 32 [ 51.541208][ T3257] usb 1-1: too many endpoints for config 0 interface 0 altsetting 0: 132, using maximum allowed: 30 [ 51.553155][ T3257] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 51.564019][ T3257] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 51.573772][ T3257] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 132 [ 51.586723][ T3257] usb 1-1: New USB device found, idVendor=056a, idProduct=0033, bcdDevice= 0.00 [ 51.595782][ T3257] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 51.604557][ T3257] usb 1-1: config 0 descriptor?? [ 52.081929][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.089078][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.096002][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.102926][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.109870][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.116945][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.123922][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.130794][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.137686][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.144591][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.151495][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.158377][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.165260][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.172163][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.179032][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.185926][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.192857][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.199773][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.206688][ T3257] wacom 0003:056A:0033.0001: unknown main item tag 0x0 [ 52.213726][ T3257] wacom: probe of 0003:056A:0033.0001 failed with error -22 [ 52.291018][ T3257] usb 1-1: USB disconnect, device number 2 executing program [ 57.819871][ T3257] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 58.059833][ T3257] usb 1-1: Using ep0 maxpacket: 32 [ 58.179887][ T3257] usb 1-1: too many endpoints for config 0 interface 0 altsetting 0: 132, using maximum allowed: 30 [ 58.190992][ T3257] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 58.202537][ T3257] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 58.212868][ T3257] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 132 [ 58.226180][ T3257] usb 1-1: New USB device found, idVendor=056a, idProduct=0033, bcdDevice= 0.00 [ 58.235641][ T3257] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 58.245915][ T3257] usb 1-1: config 0 descriptor?? [ 58.731833][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.738974][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.745881][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.752784][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.759689][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.766636][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.773539][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.780431][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.787332][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.794211][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.801261][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.808195][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.815116][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.822007][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.829052][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.835941][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.842944][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.849841][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.856777][ T3257] wacom 0003:056A:0033.0002: unknown main item tag 0x0 [ 58.863877][ T3257] wacom: probe of 0003:056A:0033.0002 failed with error -22 [ 58.930512][ T3813] usb 1-1: USB disconnect, device number 3 executing program [ 64.458982][ T3813] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 64.708968][ T3813] usb 1-1: Using ep0 maxpacket: 32 [ 64.829034][ T3813] usb 1-1: too many endpoints for config 0 interface 0 altsetting 0: 132, using maximum allowed: 30 [ 64.839837][ T3813] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 64.851250][ T3813] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 64.861428][ T3813] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 132 [ 64.874645][ T3813] usb 1-1: New USB device found, idVendor=056a, idProduct=0033, bcdDevice= 0.00 [ 64.883980][ T3813] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 64.892815][ T3813] usb 1-1: config 0 descriptor?? [ 65.379619][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.386522][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.398957][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.405876][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.417890][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.427582][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.437183][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.446728][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.456269][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.465879][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.475507][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.484990][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.494550][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.504260][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.513912][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.523503][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.533291][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.542963][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.552581][ T3813] wacom 0003:056A:0033.0003: unknown main item tag 0x0 [ 65.562224][ T3813] wacom: probe of 0003:056A:0033.0003 failed with error -22 [ 65.599436][ T3813] usb 1-1: USB disconnect, device number 4 [ 66.681327][ T8462] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810d601a00 (size 512): comm "kworker/1:2", pid 3257, jiffies 4294943137 (age 14.240s) 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: [<00000000258f47d5>] __kfifo_alloc+0xad/0x100 [<00000000c5801df1>] wacom_probe+0x1a1/0x3b0 [<0000000084fe6ac6>] hid_device_probe+0x16b/0x210 [<0000000023929ba4>] really_probe+0x159/0x480 [<0000000044a3ecc3>] driver_probe_device+0x84/0x100 [<00000000bd19bcc3>] __device_attach_driver+0xee/0x110 [<000000006e1d6f6b>] bus_for_each_drv+0xb7/0x100 [<000000005145df6f>] __device_attach+0x122/0x250 [<000000002794ece8>] bus_probe_device+0xc6/0xe0 [<000000000adddf5c>] device_add+0x5be/0xc30 [<000000008487b4a9>] hid_add_device+0x151/0x390 [<00000000c16dccd8>] usbhid_probe+0x4d1/0x620 [<000000004e213fe1>] usb_probe_interface+0x177/0x370 [<0000000023929ba4>] really_probe+0x159/0x480 [<0000000044a3ecc3>] driver_probe_device+0x84/0x100 [<00000000bd19bcc3>] __device_attach_driver+0xee/0x110