[  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: [   35.392806][ T8432] sshd (8432) used greatest stack depth: 11304 bytes left
Warning: Permanently added '10.128.15.197' (ECDSA) to the list of known hosts.
executing program
[   50.508806][ T4866] usb 1-1: new full-speed USB device number 2 using dummy_hcd
[   50.698740][ T4866] usb 1-1: device descriptor read/64, error 18
[   50.968732][ T4866] usb 1-1: new full-speed USB device number 3 using dummy_hcd
[   51.158671][ T4866] usb 1-1: device descriptor read/64, error 18
[   51.278726][ T4866] usb usb1-port1: attempt power cycle
[   51.988560][ T4866] usb 1-1: new full-speed USB device number 4 using dummy_hcd
[   52.078671][ T4866] usb 1-1: Invalid ep0 maxpacket: 0
[   52.228521][ T4866] usb 1-1: new full-speed USB device number 5 using dummy_hcd
[   52.318542][ T4866] usb 1-1: Invalid ep0 maxpacket: 0
[   52.323815][ T4866] usb usb1-port1: unable to enumerate USB device
[   60.672372][ T8470] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff8881123b01a0 (size 32):
  comm "softirq", pid 0, jiffies 4294942320 (age 12.450s)
  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:
    [<0000000002090969>] gadget_setup+0xf6/0x220
    [<000000006aead021>] dummy_timer+0xb9f/0x14c0
    [<00000000fab5159f>] call_timer_fn+0x38/0x200
    [<000000009b66ef0f>] __run_timers.part.0+0x319/0x400
    [<000000009e204378>] run_timer_softirq+0x3d/0x80
    [<000000001614aaeb>] __do_softirq+0xcc/0x2c2
    [<000000007959795a>] asm_call_irq_on_stack+0xf/0x20
    [<000000001170274f>] do_softirq_own_stack+0x32/0x40
    [<00000000d2a8c3fa>] irq_exit_rcu+0x91/0xc0
    [<0000000091bb09cd>] sysvec_apic_timer_interrupt+0x36/0x80
    [<00000000c482138c>] asm_sysvec_apic_timer_interrupt+0x12/0x20
    [<00000000bd543bfb>] acpi_idle_do_entry+0xc3/0xd0
    [<00000000511d7297>] acpi_idle_enter+0x128/0x1f0
    [<0000000055b4b0dc>] cpuidle_enter_state+0xc9/0x650
    [<0000000000ba58ea>] cpuidle_enter+0x29/0x40
    [<00000000803cb9f5>] do_idle+0x1c8/0x250

BUG: memory leak
unreferenced object 0xffff88810bc75720 (size 32):
  comm "softirq", pid 0, jiffies 4294942366 (age 11.990s)
  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:
    [<0000000002090969>] gadget_setup+0xf6/0x220
    [<000000006aead021>] dummy_timer+0xb9f/0x14c0
    [<00000000fab5159f>] call_timer_fn+0x38/0x200
    [<000000009b66ef0f>] __run_timers.part.0+0x319/0x400
    [<000000009e204378>] run_timer_softirq+0x3d/0x80
    [<000000001614aaeb>] __do_softirq+0xcc/0x2c2
    [<000000007959795a>] asm_call_irq_on_stack+0xf/0x20
    [<000000001170274f>] do_softirq_own_stack+0x32/0x40
    [<00000000d2a8c3fa>] irq_exit_rcu+0x91/0xc0
    [<0000000091bb09cd>] sysvec_apic_timer_interrupt+0x36/0x80
    [<00000000c482138c>] asm_sysvec_apic_timer_interrupt+0x12/0x20
    [<00000000bd543bfb>] acpi_idle_do_entry+0xc3/0xd0
    [<00000000511d7297>] acpi_idle_enter+0x128/0x1f0
    [<0000000055b4b0dc>] cpuidle_enter_state+0xc9/0x650
    [<0000000000ba58ea>] cpuidle_enter+0x29/0x40
    [<00000000803cb9f5>] do_idle+0x1c8/0x250

BUG: memory leak
unreferenced object 0xffff88810a17f8a0 (size 32):
  comm "softirq", pid 0, jiffies 4294942497 (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:
    [<0000000002090969>] gadget_setup+0xf6/0x220
    [<000000006aead021>] dummy_timer+0xb9f/0x14c0
    [<00000000fab5159f>] call_timer_fn+0x38/0x200
    [<000000009b66ef0f>] __run_timers.part.0+0x319/0x400
    [<000000009e204378>] run_timer_softirq+0x3d/0x80
    [<000000001614aaeb>] __do_softirq+0xcc/0x2c2
    [<000000007959795a>] asm_call_irq_on_stack+0xf/0x20
    [<000000001170274f>] do_softirq_own_stack+0x32/0x40
    [<00000000d2a8c3fa>] irq_exit_rcu+0x91/0xc0
    [<0000000091bb09cd>] sysvec_apic_timer_interrupt+0x36/0x80
    [<00000000c482138c>] asm_sysvec_apic_timer_interrupt+0x12/0x20
    [<00000000bd543bfb>] acpi_idle_do_entry+0xc3/0xd0
    [<00000000511d7297>] acpi_idle_enter+0x128/0x1f0
    [<0000000055b4b0dc>] cpuidle_enter_state+0xc9/0x650
    [<0000000000ba58ea>] cpuidle_enter+0x29/0x40
    [<00000000803cb9f5>] do_idle+0x1c8/0x250