[  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 '10.128.0.231' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   44.127969][ T3854] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   44.367866][ T3854] usb 1-1: Using ep0 maxpacket: 8
[   44.487884][ T3854] usb 1-1: New USB device found, idVendor=1934, idProduct=0706, bcdDevice= 8.91
[   44.497028][ T3854] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   44.506083][ T3854] usb 1-1: config 0 descriptor??
[   44.549291][ T3854] f81232 1-1:0.0: f81232 converter detected
[   44.556070][ T3854] usb 1-1: f81232 converter now attached to ttyUSB0
[   44.748408][ T4867] usb 1-1: USB disconnect, device number 2
[   44.777957][ T4867] f81232 ttyUSB0: f81232 converter now disconnected from ttyUSB0
[   44.786084][ T4867] f81232 1-1:0.0: device disconnected
executing program
[   50.157119][ T4867] usb 1-1: new high-speed USB device number 3 using dummy_hcd
[   50.397114][ T4867] usb 1-1: Using ep0 maxpacket: 8
[   50.517148][ T4867] usb 1-1: New USB device found, idVendor=1934, idProduct=0706, bcdDevice= 8.91
[   50.526291][ T4867] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   50.535189][ T4867] usb 1-1: config 0 descriptor??
[   50.578595][ T4867] f81232 1-1:0.0: f81232 converter detected
[   50.585527][ T4867] usb 1-1: f81232 converter now attached to ttyUSB0
[   50.777674][ T3854] usb 1-1: USB disconnect, device number 3
[   50.784025][ T3854] f81232 ttyUSB0: f81232 converter now disconnected from ttyUSB0
[   50.792573][ T3854] f81232 1-1:0.0: device disconnected
[   51.758865][ T8475] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[   56.769023][ T8475] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810fedc640 (size 32):
  comm "softirq", pid 0, jiffies 4294941707 (age 14.470s)
  hex dump (first 32 bytes):
    02 00 00 00 08 00 00 00 80 06 00 02 00 00 09 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000007bbe91ab>] gadget_setup+0xf6/0x220
    [<000000002da1cb35>] dummy_timer+0xb9f/0x14c0
    [<0000000036a0e1d8>] call_timer_fn+0x38/0x200
    [<00000000c764e0e8>] __run_timers.part.0+0x319/0x400
    [<000000004493846c>] run_timer_softirq+0x3d/0x80
    [<000000007f5652c3>] __do_softirq+0xcc/0x2c2
    [<00000000744af5e0>] asm_call_irq_on_stack+0xf/0x20
    [<000000000b81767f>] do_softirq_own_stack+0x32/0x40
    [<0000000005253a60>] irq_exit_rcu+0x91/0xc0
    [<0000000048d90438>] sysvec_apic_timer_interrupt+0x36/0x80
    [<000000002799f883>] asm_sysvec_apic_timer_interrupt+0x12/0x20
    [<0000000026a53002>] acpi_idle_do_entry+0xc3/0xd0
    [<00000000fc9ff1de>] acpi_idle_enter+0x128/0x1f0
    [<00000000cd0be51c>] cpuidle_enter_state+0xc9/0x650
    [<00000000ac1e8eef>] cpuidle_enter+0x29/0x40
    [<000000008b1e3d0f>] do_idle+0x1c8/0x250

BUG: memory leak
unreferenced object 0xffff88810fe24180 (size 32):
  comm "softirq", pid 0, jiffies 4294941711 (age 14.430s)
  hex dump (first 32 bytes):
    02 00 00 00 08 00 00 00 80 06 00 02 00 00 12 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000007bbe91ab>] gadget_setup+0xf6/0x220
    [<000000002da1cb35>] dummy_timer+0xb9f/0x14c0
    [<0000000036a0e1d8>] call_timer_fn+0x38/0x200
    [<00000000c764e0e8>] __run_timers.part.0+0x319/0x400
    [<000000004493846c>] run_timer_softirq+0x3d/0x80
    [<000000007f5652c3>] __do_softirq+0xcc/0x2c2
    [<00000000744af5e0>] asm_call_irq_on_stack+0xf/0x20
    [<000000000b81767f>] do_softirq_own_stack+0x32/0x40
    [<0000000005253a60>] irq_exit_rcu+0x91/0xc0
    [<0000000048d90438>] sysvec_apic_timer_interrupt+0x36/0x80
    [<000000002799f883>] asm_sysvec_apic_timer_interrupt+0x12/0x20
    [<0000000026a53002>] acpi_idle_do_entry+0xc3/0xd0
    [<00000000fc9ff1de>] acpi_idle_enter+0x128/0x1f0
    [<00000000cd0be51c>] cpuidle_enter_state+0xc9/0x650
    [<00000000ac1e8eef>] cpuidle_enter+0x29/0x40
    [<000000008b1e3d0f>] do_idle+0x1c8/0x250

BUG: memory leak
unreferenced object 0xffff88810b476ea0 (size 32):
  comm "softirq", pid 0, jiffies 4294942306 (age 8.480s)
  hex dump (first 32 bytes):
    02 00 00 00 08 00 00 00 80 06 00 01 00 00 12 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<000000007bbe91ab>] gadget_setup+0xf6/0x220
    [<000000002da1cb35>] dummy_timer+0xb9f/0x14c0
    [<0000000036a0e1d8>] call_timer_fn+0x38/0x200
    [<00000000c764e0e8>] __run_timers.part.0+0x319/0x400
    [<000000004493846c>] run_timer_softirq+0x3d/0x80
    [<000000007f5652c3>] __do_softirq+0xcc/0x2c2
    [<00000000744af5e0>] asm_call_irq_on_stack+0xf/0x20
    [<000000000b81767f>] do_softirq_own_stack+0x32/0x40
    [<0000000005253a60>] irq_exit_rcu+0x91/0xc0
    [<0000000048d90438>] sysvec_apic_timer_interrupt+0x36/0x80
    [<000000002799f883>] asm_sysvec_apic_timer_interrupt+0x12/0x20
    [<0000000026a53002>] acpi_idle_do_entry+0xc3/0xd0
    [<00000000fc9ff1de>] acpi_idle_enter+0x128/0x1f0
    [<00000000cd0be51c>] cpuidle_enter_state+0xc9/0x650
    [<00000000ac1e8eef>] cpuidle_enter+0x29/0x40
    [<000000008b1e3d0f>] do_idle+0x1c8/0x250