[ 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 '10.128.0.182' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 48.687462][ T19] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 49.047423][ T19] usb 1-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 49.057507][ T19] usb 1-1: config 1 has 1 interface, different from the descriptor's value: 3 [ 49.217419][ T19] usb 1-1: New USB device found, idVendor=1d6b, idProduct=0101, bcdDevice= 0.40 [ 49.226454][ T19] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 49.234622][ T19] usb 1-1: Product: syz [ 49.238856][ T19] usb 1-1: Manufacturer: syz [ 49.243438][ T19] usb 1-1: SerialNumber: syz [ 49.577372][ T19] usb 1-1: 0:2 : does not exist [ 49.585502][ T19] usb 1-1: USB disconnect, device number 2 executing program [ 54.856655][ T19] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 55.216629][ T19] usb 1-1: config 1 has an invalid descriptor of length 0, skipping remainder of the config [ 55.226758][ T19] usb 1-1: config 1 has 1 interface, different from the descriptor's value: 3 [ 55.386686][ T19] usb 1-1: New USB device found, idVendor=1d6b, idProduct=0101, bcdDevice= 0.40 [ 55.395716][ T19] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 55.404099][ T19] usb 1-1: Product: syz [ 55.408436][ T19] usb 1-1: Manufacturer: syz [ 55.413040][ T19] usb 1-1: SerialNumber: syz [ 55.736610][ T19] usb 1-1: 0:2 : does not exist [ 55.750210][ T19] usb 1-1: USB disconnect, device number 3 [ 56.665808][ T8386] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810e1c0900 (size 32): comm "kworker/1:0", pid 19, jiffies 4294942228 (age 13.160s) hex dump (first 32 bytes): 63 61 72 64 33 00 00 00 00 00 00 00 00 00 00 00 card3........... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kvasprintf+0x6c/0xf0 [] kvasprintf_const+0x58/0x110 [] kobject_set_name_vargs+0x3b/0xe0 [] dev_set_name+0x63/0x90 [] snd_ctl_led_register+0x17e/0x2f0 [] snd_ctl_dev_register+0x78/0xb0 [] snd_device_register_all+0x7b/0xd0 [] snd_card_register+0x90/0x2b0 [] usb_audio_probe+0x564/0x1280 [] usb_probe_interface+0x177/0x370 [] really_probe+0x159/0x500 [] driver_probe_device+0x8b/0x100 [] __device_attach_driver+0xf6/0x120 [] bus_for_each_drv+0xb7/0x100 [] __device_attach+0x122/0x260 [] bus_probe_device+0xc6/0xe0 BUG: memory leak unreferenced object 0xffff8881140d4200 (size 256): comm "kworker/1:0", pid 19, jiffies 4294942228 (age 13.160s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 42 0d 14 81 88 ff ff .........B...... 08 42 0d 14 81 88 ff ff 30 92 61 82 ff ff ff ff .B......0.a..... backtrace: [] device_add+0x85c/0xd70 [] snd_ctl_led_register+0x1af/0x2f0 [] snd_ctl_dev_register+0x78/0xb0 [] snd_device_register_all+0x7b/0xd0 [] snd_card_register+0x90/0x2b0 [] usb_audio_probe+0x564/0x1280 [] usb_probe_interface+0x177/0x370 [] really_probe+0x159/0x500 [] driver_probe_device+0x8b/0x100 [] __device_attach_driver+0xf6/0x120 [] bus_for_each_drv+0xb7/0x100 [] __device_attach+0x122/0x260 [] bus_probe_device+0xc6/0xe0 [] device_add+0x5d5/0xd70 [] usb_set_configuration+0x9d9/0xb90 [] usb_generic_driver_probe+0x8c/0xc0 BUG: memory leak unreferenced object 0xffff888113954980 (size 32): comm "kworker/1:0", pid 19, jiffies 4294942228 (age 13.160s) hex dump (first 32 bytes): 63 61 72 64 33 00 00 00 00 00 00 00 00 00 00 00 card3........... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kvasprintf+0x6c/0xf0 [] kvasprintf_const+0x58/0x110 [] kobject_set_name_vargs+0x3b/0xe0 [] dev_set_name+0x63/0x90 [] snd_ctl_led_register+0x17e/0x2f0 [] snd_ctl_dev_register+0x78/0xb0 [] snd_device_register_all+0x7b/0xd0 [] snd_card_register+0x90/0x2b0 [] usb_audio_probe+0x564/0x1280 [] usb_probe_interface+0x177/0x370 [] really_probe+0x159/0x500 [] driver_probe_device+0x8b/0x100 [] __device_attach_driver+0xf6/0x120 [] bus_for_each_drv+0xb7/0x100 [] __device_attach+0x122/0x260 [] bus_probe_device+0xc6/0xe0 [ 62.680110][ T8386] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)