[ 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 '10.128.1.55' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.747774][ T4906] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 50.107766][ T4906] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 50.118775][ T4906] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 50.128989][ T4906] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 50.142123][ T4906] usb 1-1: New USB device found, idVendor=056a, idProduct=00bb, bcdDevice= 0.00 [ 50.151417][ T4906] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 50.160199][ T4906] usb 1-1: config 0 descriptor?? [ 50.637753][ T4906] hid (null): unknown global tag 0xe [ 50.644738][ T4906] wacom 0003:056A:00BB.0001: unknown main item tag 0x1 [ 50.656553][ T4906] wacom 0003:056A:00BB.0001: unknown main item tag 0x1 [ 50.663626][ T4906] wacom 0003:056A:00BB.0001: unknown main item tag 0x7 [ 50.670566][ T4906] wacom 0003:056A:00BB.0001: unknown global tag 0xe [ 50.677179][ T4906] wacom 0003:056A:00BB.0001: item 0 4 1 14 parsing failed [ 50.684485][ T4906] wacom 0003:056A:00BB.0001: parse failed [ 50.690348][ T4906] wacom: probe of 0003:056A:00BB.0001 failed with error -22 [ 50.838252][ T3796] usb 1-1: USB disconnect, device number 2 executing program [ 56.327097][ T3796] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 56.687185][ T3796] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 56.698051][ T3796] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 56.708216][ T3796] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 56.721287][ T3796] usb 1-1: New USB device found, idVendor=056a, idProduct=00bb, bcdDevice= 0.00 [ 56.730507][ T3796] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 56.739231][ T3796] usb 1-1: config 0 descriptor?? [ 57.217123][ T3796] hid (null): unknown global tag 0xe [ 57.224111][ T3796] wacom 0003:056A:00BB.0002: unknown main item tag 0x1 [ 57.235055][ T3796] wacom 0003:056A:00BB.0002: unknown main item tag 0x1 [ 57.243132][ T3796] wacom 0003:056A:00BB.0002: unknown main item tag 0x7 [ 57.251176][ T3796] wacom 0003:056A:00BB.0002: unknown global tag 0xe [ 57.259065][ T3796] wacom 0003:056A:00BB.0002: item 0 4 1 14 parsing failed [ 57.266183][ T3796] wacom 0003:056A:00BB.0002: parse failed [ 57.274392][ T3796] wacom: probe of 0003:056A:00BB.0002 failed with error -22 [ 57.417552][ T3796] usb 1-1: USB disconnect, device number 3 executing program [ 62.886671][ T3796] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 63.246725][ T3796] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 63.257737][ T3796] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 63.267908][ T3796] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 63.281313][ T3796] usb 1-1: New USB device found, idVendor=056a, idProduct=00bb, bcdDevice= 0.00 [ 63.290621][ T3796] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 63.299314][ T3796] usb 1-1: config 0 descriptor?? [ 63.776760][ T3796] hid (null): unknown global tag 0xe [ 63.783838][ T3796] wacom 0003:056A:00BB.0003: unknown main item tag 0x1 [ 63.794810][ T3796] wacom 0003:056A:00BB.0003: unknown main item tag 0x1 [ 63.801791][ T3796] wacom 0003:056A:00BB.0003: unknown main item tag 0x7 [ 63.808738][ T3796] wacom 0003:056A:00BB.0003: unknown global tag 0xe [ 63.815311][ T3796] wacom 0003:056A:00BB.0003: item 0 4 1 14 parsing failed [ 63.822515][ T3796] wacom 0003:056A:00BB.0003: parse failed [ 63.828364][ T3796] wacom: probe of 0003:056A:00BB.0003 failed with error -22 [ 63.977213][ T4906] usb 1-1: USB disconnect, device number 4 [ 65.019239][ T8470] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 71.194739][ T8470] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810d589e00 (size 512): comm "kworker/1:2", pid 3796, jiffies 4294942985 (age 14.040s) 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: [<0000000050bbe061>] __kfifo_alloc+0xad/0x100 [<00000000ae447a24>] wacom_probe+0x1a1/0x3b0 [<000000003a715d4b>] hid_device_probe+0x16b/0x210 [<000000004db8658a>] really_probe+0x159/0x480 [<000000009b79cfbd>] driver_probe_device+0x84/0x100 [<00000000ab9e108c>] __device_attach_driver+0xee/0x110 [<00000000d4589d07>] bus_for_each_drv+0xb7/0x100 [<0000000018c10d2f>] __device_attach+0x122/0x250 [<000000000d392e3c>] bus_probe_device+0xc6/0xe0 [<000000002cb8a7bc>] device_add+0x5ac/0xc30 [<00000000d709b0db>] hid_add_device+0x151/0x390 [<00000000135fe208>] usbhid_probe+0x412/0x560 [<000000007e61e799>] usb_probe_interface+0x177/0x370 [<000000004db8658a>] really_probe+0x159/0x480 [<000000009b79cfbd>] driver_probe_device+0x84/0x100 [<00000000ab9e108c>] __device_attach_driver+0xee/0x110 BUG: memory leak unreferenced object 0xffff88810a2bb400 (size 512): comm "kworker/1:2", pid 3796, jiffies 4294943641 (age 7.480s) 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: [<0000000050bbe061>] __kfifo_alloc+0xad/0x100 [<00000000ae447a24>] wacom_probe+0x1a1/0x3b0 [<000000003a715d4b>] hid_device_probe+0x16b/0x210 [<000000004db8658a>] really_probe+0x159/0x480 [<000000009b79cfbd>] driver_probe_device+0x84/0x100 [<00000000ab9e108c>] __device_attach_driver+0xee/0x110 [<00000000d4589d07>] bus_for_each_drv+0xb7/0x100 [<0000000018c10d2f>] __device_attach+0x122/0x250 [<000000000d392e3c>] bus_probe_device+0xc6/0xe0 [<000000002cb8a7bc>] device_add+0x5ac/0xc30 [<00000000d709b0db>] hid_add_device+0x151/0x390 [<00000000135fe208>] usbhid_probe+0x412/0x560 [<000000007e61e799>] usb_probe_interface+0x177/0x370 [<000000004db8658a>] really_probe+0x159/0x480 [<000000009b79cfbd>] driver_probe_device+0x84/0x100 [<00000000ab9e108c>] __device_attach_driver+0xee/0x110