[  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 '10.128.0.172' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   50.551996][ T3802] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   50.791953][ T3802] usb 1-1: Using ep0 maxpacket: 8
[   50.922014][ T3802] usb 1-1: config 1 interface 0 altsetting 4 has 1 endpoint descriptor, different from the interface descriptor's value: 0
[   50.934825][ T3802] usb 1-1: config 1 interface 0 has no altsetting 0
[   51.101987][ T3802] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a8, bcdDevice= 0.40
[   51.111696][ T3802] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   51.119878][ T3802] usb 1-1: Product: syz
[   51.124101][ T3802] usb 1-1: Manufacturer: syz
[   51.128797][ T3802] usb 1-1: SerialNumber: syz
[   51.382463][ T3841] usb 1-1: USB disconnect, device number 2
[   56.658949][ T8482] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
[   58.877658][ T8482] kmemleak: 7 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff88810ce97ea0 (size 32):
  comm "syz-executor917", pid 8483, jiffies 4294942293 (age 8.660s)
  hex dump (first 32 bytes):
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000c1eb8419>] gadget_bind+0x223/0x340
    [<000000004cf1a525>] udc_bind_to_driver+0x62/0x150
    [<00000000e7af1882>] usb_gadget_probe_driver+0x1c7/0x230
    [<00000000353e45ef>] raw_ioctl+0x5da/0xf30
    [<0000000065a217b2>] __x64_sys_ioctl+0xfc/0x140
    [<000000009934ed16>] do_syscall_64+0x2d/0x70
    [<00000000948a8b36>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88810d2aa180 (size 32):
  comm "softirq", pid 0, jiffies 4294942347 (age 8.120s)
  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:
    [<000000003924e619>] gadget_setup+0xf6/0x220
    [<0000000086461cef>] dummy_timer+0xb9f/0x14c0
    [<000000003bc57068>] call_timer_fn+0x38/0x200
    [<000000005f0138a3>] __run_timers.part.0+0x319/0x400
    [<00000000a375ad5d>] run_timer_softirq+0x3d/0x80
    [<00000000cdee86ef>] __do_softirq+0xcc/0x2c2
    [<00000000095ae468>] asm_call_irq_on_stack+0xf/0x20
    [<00000000f9a54619>] do_softirq_own_stack+0x32/0x40
    [<0000000041300da9>] irq_exit_rcu+0x91/0xc0
    [<000000006e6e0db8>] sysvec_apic_timer_interrupt+0x36/0x80
    [<000000009660369f>] asm_sysvec_apic_timer_interrupt+0x12/0x20
    [<00000000f912c8d4>] acpi_idle_do_entry+0xc3/0xd0
    [<0000000009f7137d>] acpi_idle_enter+0x128/0x1f0
    [<0000000002f650aa>] cpuidle_enter_state+0xc9/0x650
    [<00000000c9878e15>] cpuidle_enter+0x29/0x40
    [<00000000d42af6fe>] do_idle+0x1c8/0x250

BUG: memory leak
unreferenced object 0xffff88810b804040 (size 32):
  comm "softirq", pid 0, jiffies 4294942351 (age 8.080s)
  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:
    [<000000003924e619>] gadget_setup+0xf6/0x220
    [<0000000086461cef>] dummy_timer+0xb9f/0x14c0
    [<000000003bc57068>] call_timer_fn+0x38/0x200
    [<000000005f0138a3>] __run_timers.part.0+0x319/0x400
    [<00000000a375ad5d>] run_timer_softirq+0x3d/0x80
    [<00000000cdee86ef>] __do_softirq+0xcc/0x2c2
    [<00000000095ae468>] asm_call_irq_on_stack+0xf/0x20
    [<00000000f9a54619>] do_softirq_own_stack+0x32/0x40
    [<0000000041300da9>] irq_exit_rcu+0x91/0xc0
    [<000000006e6e0db8>] sysvec_apic_timer_interrupt+0x36/0x80
    [<000000009660369f>] asm_sysvec_apic_timer_interrupt+0x12/0x20
    [<00000000f912c8d4>] acpi_idle_do_entry+0xc3/0xd0
    [<0000000009f7137d>] acpi_idle_enter+0x128/0x1f0
    [<0000000002f650aa>] cpuidle_enter_state+0xc9/0x650
    [<00000000c9878e15>] cpuidle_enter+0x29/0x40
    [<00000000d42af6fe>] do_idle+0x1c8/0x250