[ 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 '10.128.0.19' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 48.977157][ T3628] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 49.167062][ T3628] usb 1-1: device descriptor read/64, error 18 [ 49.437043][ T3628] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 49.626948][ T3628] usb 1-1: device descriptor read/64, error 18 [ 49.746948][ T3628] usb usb1-port1: attempt power cycle [ 50.456736][ T3628] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 50.626838][ T3628] usb 1-1: device descriptor read/8, error -61 [ 50.896652][ T3628] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 51.066736][ T3628] usb 1-1: device descriptor read/8, error -61 [ 51.186700][ T3628] usb usb1-port1: unable to enumerate USB device [ 59.467293][ T8462] kmemleak: 8 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810a79c560 (size 32): comm "syz-executor500", pid 8463, jiffies 4294942127 (age 13.210s) 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: [<00000000f0ff03b5>] gadget_bind+0x223/0x340 [<0000000055330b1b>] udc_bind_to_driver+0x62/0x150 [<00000000b4dbb558>] usb_gadget_probe_driver+0x1c7/0x230 [<00000000f62293e7>] raw_ioctl+0x5da/0xf30 [<0000000013d9ab02>] __x64_sys_ioctl+0xfc/0x140 [<000000003e43b626>] do_syscall_64+0x2d/0x70 [<000000008b570fc8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888110731a80 (size 32): comm "softirq", pid 0, jiffies 4294942202 (age 12.460s) 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: [<0000000039078a6a>] gadget_setup+0xf6/0x220 [<000000007e7fe9ff>] dummy_timer+0xb9f/0x14c0 [<00000000ed0a9d52>] call_timer_fn+0x38/0x200 [<000000006026b2c5>] __run_timers.part.0+0x319/0x400 [<0000000094936ef7>] run_timer_softirq+0x3d/0x80 [<000000001f6ab4ac>] __do_softirq+0xcc/0x2c2 [<00000000237dcfe0>] asm_call_irq_on_stack+0xf/0x20 [<00000000a4de012d>] do_softirq_own_stack+0x32/0x40 [<000000004a5e3952>] irq_exit_rcu+0x91/0xc0 [<00000000b6eaff23>] sysvec_apic_timer_interrupt+0x36/0x80 [<000000001ceba23a>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000095bbe840>] acpi_idle_do_entry+0xc3/0xd0 [<00000000fed0083a>] acpi_idle_enter+0x128/0x1f0 [<00000000c73750ed>] cpuidle_enter_state+0xc9/0x650 [<000000007285730f>] cpuidle_enter+0x29/0x40 [<000000000dfcb042>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff888110731c00 (size 32): comm "softirq", pid 0, jiffies 4294942309 (age 11.390s) 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: [<0000000039078a6a>] gadget_setup+0xf6/0x220 [<000000007e7fe9ff>] dummy_timer+0xb9f/0x14c0 [<00000000ed0a9d52>] call_timer_fn+0x38/0x200 [<000000006026b2c5>] __run_timers.part.0+0x319/0x400 [<0000000094936ef7>] run_timer_softirq+0x3d/0x80 [<000000001f6ab4ac>] __do_softirq+0xcc/0x2c2 [<00000000237dcfe0>] asm_call_irq_on_stack+0xf/0x20 [<00000000a4de012d>] do_softirq_own_stack+0x32/0x40 [<000000004a5e3952>] irq_exit_rcu+0x91/0xc0 [<00000000b6eaff23>] sysvec_apic_timer_interrupt+0x36/0x80 [<000000001ceba23a>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000095bbe840>] acpi_idle_do_entry+0xc3/0xd0 [<00000000fed0083a>] acpi_idle_enter+0x128/0x1f0 [<00000000c73750ed>] cpuidle_enter_state+0xc9/0x650 [<000000007285730f>] cpuidle_enter+0x29/0x40 [<000000000dfcb042>] do_idle+0x1c8/0x250