[ 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 '10.128.0.92' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.670952][ T55] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 52.910915][ T55] usb 1-1: Using ep0 maxpacket: 32 [ 53.030935][ T55] usb 1-1: config 8 interface 0 altsetting 0 bulk endpoint 0x5 has invalid maxpacket 199 [ 53.040893][ T55] usb 1-1: New USB device found, idVendor=731e, idProduct=128c, bcdDevice=ed.06 [ 53.049891][ T55] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 53.071268][ T8393] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 53.330938][ T55] usb 1-1: string descriptor 0 read error: -71 [ 53.339740][ T55] usb 1-1: MIDIStreaming interface descriptor not found [ 53.364601][ T55] usb 1-1: USB disconnect, device number 2 executing program [ 59.030332][ T55] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 59.270303][ T55] usb 1-1: Using ep0 maxpacket: 32 [ 59.390367][ T55] usb 1-1: config 8 interface 0 altsetting 0 bulk endpoint 0x5 has invalid maxpacket 199 [ 59.400574][ T55] usb 1-1: New USB device found, idVendor=731e, idProduct=128c, bcdDevice=ed.06 [ 59.409607][ T55] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 59.440406][ T8431] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 59.700354][ T55] usb 1-1: string descriptor 0 read error: -71 [ 59.708938][ T55] usb 1-1: MIDIStreaming interface descriptor not found [ 59.733918][ T55] usb 1-1: USB disconnect, device number 3 [ 60.864422][ T8386] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 67.165190][ T8386] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888114ca3820 (size 32): comm "kworker/1:1", pid 55, jiffies 4294942596 (age 13.860s) 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 0xffff888114ca37c0 (size 32): comm "kworker/1:1", pid 55, jiffies 4294942596 (age 13.860s) 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 0xffff88811359f860 (size 32): comm "kworker/1:1", pid 55, jiffies 4294943233 (age 7.490s) 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