[ 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 '10.128.0.83' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 50.521215][ T8348] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 50.791208][ T8348] usb 1-1: device descriptor read/64, error 18 [ 51.181169][ T8348] usb 1-1: device descriptor read/64, error 18 [ 51.451144][ T8348] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 51.721116][ T8348] usb 1-1: device descriptor read/64, error 18 [ 52.111079][ T8348] usb 1-1: device descriptor read/64, error 18 [ 52.231136][ T8348] usb usb1-port1: attempt power cycle [ 52.940989][ T8348] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 53.111160][ T8348] usb 1-1: device descriptor read/8, error -61 [ 53.381016][ T8348] usb 1-1: device descriptor read/8, error -61 [ 53.650964][ T8348] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 53.820988][ T8348] usb 1-1: device descriptor read/8, error -61 [ 54.090934][ T8348] usb 1-1: device descriptor read/8, error -61 [ 54.210959][ T8348] usb usb1-port1: unable to enumerate USB device [ 61.165625][ T8536] kmemleak: 13 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810cf66060 (size 32): comm "softirq", pid 0, jiffies 4294942466 (age 11.300s) hex dump (first 32 bytes): 02 00 00 00 08 00 00 00 80 06 00 01 00 00 40 00 ..............@. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009815d2f7>] gadget_setup+0xf6/0x220 [<00000000721428dd>] dummy_timer+0xb9f/0x14c0 [<000000005427b03e>] call_timer_fn+0x38/0x200 [<0000000033d559be>] __run_timers.part.0+0x319/0x400 [<000000007c82669b>] run_timer_softirq+0x3d/0x80 [<0000000049d16a1a>] __do_softirq+0xcc/0x2c2 [<00000000b1484de8>] asm_call_irq_on_stack+0xf/0x20 [<00000000c03b580e>] do_softirq_own_stack+0x32/0x40 [<00000000269f3481>] irq_exit_rcu+0x91/0xc0 [<00000000aee8d654>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000d4db458b>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000c4b7a7ba>] acpi_idle_do_entry+0xc3/0xd0 [<000000005cf855b0>] acpi_idle_enter+0x128/0x1f0 [<00000000577923f2>] cpuidle_enter_state+0xc9/0x650 [<00000000a842f072>] cpuidle_enter+0x29/0x40 [<000000000d07dfaa>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff88810b514120 (size 32): comm "softirq", pid 0, jiffies 4294942573 (age 10.230s) hex dump (first 32 bytes): 02 00 00 00 08 00 00 00 80 06 00 01 00 00 08 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009815d2f7>] gadget_setup+0xf6/0x220 [<00000000721428dd>] dummy_timer+0xb9f/0x14c0 [<000000005427b03e>] call_timer_fn+0x38/0x200 [<0000000033d559be>] __run_timers.part.0+0x319/0x400 [<000000007c82669b>] run_timer_softirq+0x3d/0x80 [<0000000049d16a1a>] __do_softirq+0xcc/0x2c2 [<00000000b1484de8>] asm_call_irq_on_stack+0xf/0x20 [<00000000c03b580e>] do_softirq_own_stack+0x32/0x40 [<00000000269f3481>] irq_exit_rcu+0x91/0xc0 [<00000000aee8d654>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000d4db458b>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000c4b7a7ba>] acpi_idle_do_entry+0xc3/0xd0 [<000000005cf855b0>] acpi_idle_enter+0x128/0x1f0 [<00000000577923f2>] cpuidle_enter_state+0xc9/0x650 [<00000000a842f072>] cpuidle_enter+0x29/0x40 [<000000000d07dfaa>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff888110a03700 (size 32): comm "softirq", pid 0, jiffies 4294942577 (age 10.190s) hex dump (first 32 bytes): 02 00 00 00 08 00 00 00 80 06 00 01 00 00 08 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000009815d2f7>] gadget_setup+0xf6/0x220 [<00000000721428dd>] dummy_timer+0xb9f/0x14c0 [<000000005427b03e>] call_timer_fn+0x38/0x200 [<0000000033d559be>] __run_timers.part.0+0x319/0x400 [<000000007c82669b>] run_timer_softirq+0x3d/0x80 [<0000000049d16a1a>] __do_softirq+0xcc/0x2c2 [<00000000b1484de8>] asm_call_irq_on_stack+0xf/0x20 [<00000000c03b580e>] do_softirq_own_stack+0x32/0x40 [<00000000269f3481>] irq_exit_rcu+0x91/0xc0 [<00000000aee8d654>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000d4db458b>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000c4b7a7ba>] acpi_idle_do_entry+0xc3/0xd0 [<000000005cf855b0>] acpi_idle_enter+0x128/0x1f0 [<00000000577923f2>] cpuidle_enter_state+0xc9/0x650 [<00000000a842f072>] cpuidle_enter+0x29/0x40 [<000000000d07dfaa>] do_idle+0x1c8/0x250