[ 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 '10.128.10.31' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.151974][ T3648] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 49.421976][ T3648] usb 1-1: device descriptor read/64, error 18 [ 49.811942][ T3648] usb 1-1: device descriptor read/64, error 18 [ 50.081973][ T3648] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 50.411902][ T3648] usb 1-1: device descriptor read/64, error 18 [ 50.801917][ T3648] usb 1-1: device descriptor read/64, error 18 [ 50.921949][ T3648] usb usb1-port1: attempt power cycle [ 51.661894][ T3648] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 51.851961][ T3648] usb 1-1: device descriptor read/8, error -61 [ 52.141903][ T3648] usb 1-1: device descriptor read/8, error -61 [ 52.411887][ T3648] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 52.611874][ T3648] usb 1-1: device descriptor read/8, error -61 [ 52.891866][ T3648] usb 1-1: device descriptor read/8, error -61 [ 53.021880][ T3648] usb usb1-port1: unable to enumerate USB device [ 59.748677][ T8462] kmemleak: 14 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88811019f4a0 (size 32): comm "softirq", pid 0, jiffies 4294942333 (age 11.230s) 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: [<00000000ea030ce3>] gadget_setup+0xf6/0x220 [<00000000fba11ba4>] dummy_timer+0xb9f/0x14c0 [<00000000d857efdd>] call_timer_fn+0x38/0x200 [<00000000184f53fc>] __run_timers.part.0+0x319/0x400 [<0000000054bc6c85>] run_timer_softirq+0x3d/0x80 [<00000000fd455b88>] __do_softirq+0xcc/0x2c2 [<00000000c4732771>] asm_call_irq_on_stack+0xf/0x20 [<0000000030ca6199>] do_softirq_own_stack+0x32/0x40 [<00000000f64dc7d6>] irq_exit_rcu+0x91/0xc0 [<00000000488c787a>] sysvec_apic_timer_interrupt+0x36/0x80 [<0000000095aa3302>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000d9d58d6c>] acpi_idle_do_entry+0xc3/0xd0 [<0000000050836369>] acpi_idle_enter+0x128/0x1f0 [<000000000b42772e>] cpuidle_enter_state+0xc9/0x650 [<00000000a4bf0db0>] cpuidle_enter+0x29/0x40 [<00000000a327bc16>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff88810a3bebc0 (size 32): comm "softirq", pid 0, jiffies 4294942337 (age 11.190s) 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: [<00000000ea030ce3>] gadget_setup+0xf6/0x220 [<00000000fba11ba4>] dummy_timer+0xb9f/0x14c0 [<00000000d857efdd>] call_timer_fn+0x38/0x200 [<00000000184f53fc>] __run_timers.part.0+0x319/0x400 [<0000000054bc6c85>] run_timer_softirq+0x3d/0x80 [<00000000fd455b88>] __do_softirq+0xcc/0x2c2 [<00000000c4732771>] asm_call_irq_on_stack+0xf/0x20 [<0000000030ca6199>] do_softirq_own_stack+0x32/0x40 [<00000000f64dc7d6>] irq_exit_rcu+0x91/0xc0 [<00000000488c787a>] sysvec_apic_timer_interrupt+0x36/0x80 [<0000000095aa3302>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000d9d58d6c>] acpi_idle_do_entry+0xc3/0xd0 [<0000000050836369>] acpi_idle_enter+0x128/0x1f0 [<000000000b42772e>] cpuidle_enter_state+0xc9/0x650 [<00000000a4bf0db0>] cpuidle_enter+0x29/0x40 [<00000000a327bc16>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff88810be5f540 (size 32): comm "softirq", pid 0, jiffies 4294942448 (age 10.080s) 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: [<00000000ea030ce3>] gadget_setup+0xf6/0x220 [<00000000fba11ba4>] dummy_timer+0xb9f/0x14c0 [<00000000d857efdd>] call_timer_fn+0x38/0x200 [<00000000184f53fc>] __run_timers.part.0+0x319/0x400 [<0000000054bc6c85>] run_timer_softirq+0x3d/0x80 [<00000000fd455b88>] __do_softirq+0xcc/0x2c2 [<00000000c4732771>] asm_call_irq_on_stack+0xf/0x20 [<0000000030ca6199>] do_softirq_own_stack+0x32/0x40 [<00000000f64dc7d6>] irq_exit_rcu+0x91/0xc0 [<00000000488c787a>] sysvec_apic_timer_interrupt+0x36/0x80 [<0000000095aa3302>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000d9d58d6c>] acpi_idle_do_entry+0xc3/0xd0 [<0000000050836369>] acpi_idle_enter+0x128/0x1f0 [<000000000b42772e>] cpuidle_enter_state+0xc9/0x650 [<00000000a4bf0db0>] cpuidle_enter+0x29/0x40 [<00000000a327bc16>] do_idle+0x1c8/0x250