[  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

syzkaller login: [   34.001285][ T8355] sshd (8355) used greatest stack depth: 11176 bytes left
Warning: Permanently added '10.128.1.62' (ECDSA) to the list of known hosts.
executing program
[   49.097433][ T3702] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   49.287329][ T3702] usb 1-1: device descriptor read/64, error 18
[   49.557307][ T3702] usb 1-1: new high-speed USB device number 3 using dummy_hcd
[   49.747266][ T3702] usb 1-1: device descriptor read/64, error 18
[   49.867316][ T3702] usb usb1-port1: attempt power cycle
[   50.577169][ T3702] usb 1-1: new high-speed USB device number 4 using dummy_hcd
[   50.757177][ T3702] usb 1-1: device descriptor read/8, error -61
[   51.027107][ T3702] usb 1-1: new high-speed USB device number 5 using dummy_hcd
[   51.207160][ T3702] usb 1-1: device descriptor read/8, error -61
[   51.327145][ T3702] usb usb1-port1: unable to enumerate USB device
[   59.727597][ T8492] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810aee4aa0 (size 32):
  comm "softirq", pid 0, jiffies 4294942387 (age 10.680s)
  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:
    [<000000001a86e3d9>] gadget_setup+0xf6/0x220
    [<0000000086641220>] dummy_timer+0xb9f/0x14c0
    [<0000000054c2fdd2>] call_timer_fn+0x38/0x200
    [<0000000045fe0300>] __run_timers.part.0+0x319/0x400
    [<000000003697d11f>] run_timer_softirq+0x3d/0x80
    [<0000000066d03050>] __do_softirq+0xcc/0x2c2
    [<00000000d57eb389>] asm_call_irq_on_stack+0xf/0x20
    [<00000000321031d0>] do_softirq_own_stack+0x32/0x40
    [<0000000054e7e97b>] irq_exit_rcu+0x91/0xc0
    [<000000001a9d673a>] sysvec_apic_timer_interrupt+0x36/0x80
    [<00000000bfa9c374>] asm_sysvec_apic_timer_interrupt+0x12/0x20
    [<0000000007354c4a>] acpi_idle_do_entry+0xc3/0xd0
    [<00000000cfdb981b>] acpi_idle_enter+0x128/0x1f0
    [<00000000ebd9fef9>] cpuidle_enter_state+0xc9/0x650
    [<0000000037d02bfe>] cpuidle_enter+0x29/0x40
    [<0000000011c89856>] do_idle+0x1c8/0x250