[ 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 '10.128.0.150' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.576289][ T3736] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 52.866218][ T3736] usb 1-1: device descriptor read/64, error 18 [ 53.256147][ T3736] usb 1-1: device descriptor read/64, error 18 [ 53.536124][ T3736] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 53.826059][ T3736] usb 1-1: device descriptor read/64, error 18 [ 54.235967][ T3736] usb 1-1: device descriptor read/64, error 18 [ 54.356018][ T3736] usb usb1-port1: attempt power cycle [ 55.065822][ T3736] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 55.235853][ T3736] usb 1-1: device descriptor read/8, error -61 [ 55.505921][ T3736] usb 1-1: device descriptor read/8, error -61 [ 55.775686][ T3736] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 55.945692][ T3736] usb 1-1: device descriptor read/8, error -61 [ 56.215651][ T3736] usb 1-1: device descriptor read/8, error -61 [ 56.335644][ T3736] usb usb1-port1: unable to enumerate USB device [ 62.491503][ T8476] kmemleak: 18 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888110c0e360 (size 32): comm "softirq", pid 0, jiffies 4294942528 (age 12.070s) 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: [<00000000a9e7d290>] gadget_setup+0xf6/0x220 [<00000000e65d7ac2>] dummy_timer+0xb9f/0x14c0 [<0000000010cfcb92>] call_timer_fn+0x38/0x200 [<00000000c03dfc09>] __run_timers.part.0+0x319/0x400 [<00000000c2d6148a>] run_timer_softirq+0x3d/0x80 [<00000000e7f4dc35>] __do_softirq+0xcc/0x2c2 [<000000000b6e77d2>] asm_call_irq_on_stack+0xf/0x20 [<00000000c8100994>] do_softirq_own_stack+0x32/0x40 [<000000004748afd5>] irq_exit_rcu+0x91/0xc0 [<0000000050cb9db9>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000fbe1007c>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000323082fe>] acpi_idle_do_entry+0xc3/0xd0 [<0000000099e7cc6b>] acpi_idle_enter+0x128/0x1f0 [<00000000e1b3b381>] cpuidle_enter_state+0xc9/0x650 [<0000000098562d16>] cpuidle_enter+0x29/0x40 [<000000002e218de7>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff888110c0e320 (size 32): comm "softirq", pid 0, jiffies 4294942533 (age 12.020s) 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: [<00000000a9e7d290>] gadget_setup+0xf6/0x220 [<00000000e65d7ac2>] dummy_timer+0xb9f/0x14c0 [<0000000010cfcb92>] call_timer_fn+0x38/0x200 [<00000000c03dfc09>] __run_timers.part.0+0x319/0x400 [<00000000c2d6148a>] run_timer_softirq+0x3d/0x80 [<00000000e7f4dc35>] __do_softirq+0xcc/0x2c2 [<000000000b6e77d2>] asm_call_irq_on_stack+0xf/0x20 [<00000000c8100994>] do_softirq_own_stack+0x32/0x40 [<000000004748afd5>] irq_exit_rcu+0x91/0xc0 [<0000000050cb9db9>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000fbe1007c>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000323082fe>] acpi_idle_do_entry+0xc3/0xd0 [<0000000099e7cc6b>] acpi_idle_enter+0x128/0x1f0 [<00000000e1b3b381>] cpuidle_enter_state+0xc9/0x650 [<0000000098562d16>] cpuidle_enter+0x29/0x40 [<000000002e218de7>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff888110c0e380 (size 32): comm "softirq", pid 0, jiffies 4294942569 (age 11.670s) 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: [<00000000a9e7d290>] gadget_setup+0xf6/0x220 [<00000000e65d7ac2>] dummy_timer+0xb9f/0x14c0 [<0000000010cfcb92>] call_timer_fn+0x38/0x200 [<00000000c03dfc09>] __run_timers.part.0+0x319/0x400 [<00000000c2d6148a>] run_timer_softirq+0x3d/0x80 [<00000000e7f4dc35>] __do_softirq+0xcc/0x2c2 [<000000000b6e77d2>] asm_call_irq_on_stack+0xf/0x20 [<00000000c8100994>] do_softirq_own_stack+0x32/0x40 [<000000004748afd5>] irq_exit_rcu+0x91/0xc0 [<0000000050cb9db9>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000fbe1007c>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000323082fe>] acpi_idle_do_entry+0xc3/0xd0 [<0000000099e7cc6b>] acpi_idle_enter+0x128/0x1f0 [<00000000e1b3b381>] cpuidle_enter_state+0xc9/0x650 [<0000000098562d16>] cpuidle_enter+0x29/0x40 [<000000002e218de7>] do_idle+0x1c8/0x250