[ 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 '10.128.1.56' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.518597][ T1931] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 52.888546][ T1931] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 52.899620][ T1931] usb 1-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.40 [ 52.909164][ T1931] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 52.917798][ T1931] usb 1-1: config 0 descriptor?? [ 53.398837][ T1931] keytouch 0003:0926:3333.0001: fixing up Keytouch IEC report descriptor [ 53.408300][ T1931] input: HID 0926:3333 as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:0926:3333.0001/input/input5 [ 53.500017][ T1931] keytouch 0003:0926:3333.0001: input,hidraw0: USB HID v0.00 Keyboard [HID 0926:3333] on usb-dummy_hcd.0-1/input0 [ 54.330293][ T1931] usb 1-1: USB disconnect, device number 2 [ 54.348302][ C1] keytouch 0003:0926:3333.0001: usb_submit_urb(ctrl) failed: -19 executing program [ 60.057751][ T1931] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 60.417799][ T1931] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 60.428733][ T1931] usb 1-1: New USB device found, idVendor=0926, idProduct=3333, bcdDevice= 0.40 [ 60.437966][ T1931] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 60.447100][ T1931] usb 1-1: config 0 descriptor?? [ 60.928268][ T1931] keytouch 0003:0926:3333.0002: fixing up Keytouch IEC report descriptor [ 60.942208][ T1931] input: HID 0926:3333 as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:0926:3333.0002/input/input6 [ 61.029721][ T1931] keytouch 0003:0926:3333.0002: input,hidraw0: USB HID v0.00 Keyboard [HID 0926:3333] on usb-dummy_hcd.0-1/input0 [ 61.849669][ T1931] usb 1-1: USB disconnect, device number 3 [ 61.867589][ C1] keytouch 0003:0926:3333.0002: usb_submit_urb(ctrl) failed: -19 [ 63.047557][ T8413] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881151d33a0 (size 32): comm "kworker/1:2", pid 1931, jiffies 4294942667 (age 15.490s) hex dump (first 32 bytes): 02 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: [] __usbhid_submit_report+0x116/0x490 [] usbhid_request+0x59/0xa0 [] hidinput_led_worker+0x59/0x160 [] process_one_work+0x2c9/0x600 [] worker_thread+0x59/0x5d0 [] kthread+0x178/0x1b0 [] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff8881151d33c0 (size 32): comm "kworker/1:2", pid 1931, jiffies 4294943419 (age 7.970s) hex dump (first 32 bytes): 02 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: [] __usbhid_submit_report+0x116/0x490 [] usbhid_request+0x59/0xa0 [] hidinput_led_worker+0x59/0x160 [] process_one_work+0x2c9/0x600 [] worker_thread+0x59/0x5d0 [] kthread+0x178/0x1b0 [] ret_from_fork+0x1f/0x30 [ 69.422492][ T8413] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)