[ 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 '10.128.1.32' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.312110][ T3715] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 49.502061][ T3715] usb 1-1: device descriptor read/64, error 18 [ 49.772023][ T3715] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 49.961990][ T3715] usb 1-1: device descriptor read/64, error 18 [ 50.082037][ T3715] usb usb1-port1: attempt power cycle [ 50.791891][ T3715] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 50.961918][ T3715] usb 1-1: device descriptor read/8, error -61 [ 51.231828][ T3715] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 51.401863][ T3715] usb 1-1: device descriptor read/8, error -61 [ 51.521879][ T3715] usb usb1-port1: unable to enumerate USB device [ 59.944576][ T8483] kmemleak: 7 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888109360e20 (size 32): comm "syz-executor285", pid 8484, jiffies 4294942168 (age 12.980s) 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: [<00000000006aa2c4>] gadget_bind+0x223/0x340 [<000000005f35a578>] udc_bind_to_driver+0x62/0x150 [<00000000229cc6fe>] usb_gadget_probe_driver+0x1c7/0x230 [<00000000f38ed674>] raw_ioctl+0x5da/0xf30 [<00000000af8fffb8>] __x64_sys_ioctl+0xfc/0x140 [<00000000d9430527>] do_syscall_64+0x2d/0x70 [<000000009111e911>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810b7426c0 (size 32): comm "softirq", pid 0, jiffies 4294942197 (age 12.690s) 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: [<000000007878611e>] gadget_setup+0xf6/0x220 [<00000000504b3af5>] dummy_timer+0xb9f/0x14c0 [<0000000080bf5187>] call_timer_fn+0x38/0x200 [<00000000b9f8ebff>] __run_timers.part.0+0x319/0x400 [<0000000030db670e>] run_timer_softirq+0x3d/0x80 [<00000000ec04a9c6>] __do_softirq+0xcc/0x2c2 [<000000001e4761df>] asm_call_irq_on_stack+0xf/0x20 [<0000000034d152ba>] do_softirq_own_stack+0x32/0x40 [<00000000e8285d92>] irq_exit_rcu+0x91/0xc0 [<0000000015a62eab>] sysvec_apic_timer_interrupt+0x36/0x80 [<000000004c830d30>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<000000000bb3bdd9>] acpi_idle_do_entry+0xc3/0xd0 [<000000006c99c9ba>] acpi_idle_enter+0x128/0x1f0 [<0000000020bcd95e>] cpuidle_enter_state+0xc9/0x650 [<0000000007ebebb7>] cpuidle_enter+0x29/0x40 [<000000000c3ee206>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff8881106b7900 (size 32): comm "softirq", pid 0, jiffies 4294942350 (age 11.160s) 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: [<000000007878611e>] gadget_setup+0xf6/0x220 [<00000000504b3af5>] dummy_timer+0xb9f/0x14c0 [<0000000080bf5187>] call_timer_fn+0x38/0x200 [<00000000b9f8ebff>] __run_timers.part.0+0x319/0x400 [<0000000030db670e>] run_timer_softirq+0x3d/0x80 [<00000000ec04a9c6>] __do_softirq+0xcc/0x2c2 [<000000001e4761df>] asm_call_irq_on_stack+0xf/0x20 [<0000000034d152ba>] do_softirq_own_stack+0x32/0x40 [<00000000e8285d92>] irq_exit_rcu+0x91/0xc0 [<0000000015a62eab>] sysvec_apic_timer_interrupt+0x36/0x80 [<000000004c830d30>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<000000000bb3bdd9>] acpi_idle_do_entry+0xc3/0xd0 [<000000006c99c9ba>] acpi_idle_enter+0x128/0x1f0 [<0000000020bcd95e>] cpuidle_enter_state+0xc9/0x650 [<0000000007ebebb7>] cpuidle_enter+0x29/0x40 [<000000000c3ee206>] do_idle+0x1c8/0x250