[ 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: [ 45.077981][ T5] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 45.267912][ T5] usb 1-1: device descriptor read/64, error 18 [ 45.537857][ T5] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 45.737824][ T5] usb 1-1: device descriptor read/64, error 18 [ 45.857854][ T5] usb usb1-port1: attempt power cycle [ 46.567693][ T5] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 46.747736][ T5] usb 1-1: device descriptor read/8, error -61 [ 47.017604][ T5] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 47.187652][ T5] usb 1-1: device descriptor read/8, error -61 [ 47.317607][ T5] usb usb1-port1: unable to enumerate USB device [ 55.682119][ T8467] kmemleak: 6 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888110c8ea40 (size 32): comm "syz-executor613", pid 8470, jiffies 4294941754 (age 12.940s) 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: [<00000000565068b9>] gadget_bind+0x223/0x340 [<00000000a2834b85>] udc_bind_to_driver+0x62/0x150 [<00000000b8331f82>] usb_gadget_probe_driver+0x1c7/0x230 [<000000001df56fb7>] raw_ioctl+0x5da/0xf30 [<00000000bbd35f60>] __x64_sys_ioctl+0xfc/0x140 [<000000006bdef9e9>] do_syscall_64+0x2d/0x70 [<000000002868da31>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888110d6e7e0 (size 32): comm "softirq", pid 0, jiffies 4294941783 (age 12.650s) 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: [<00000000cc725e87>] gadget_setup+0xf6/0x220 [<000000003136f984>] dummy_timer+0xb9f/0x14c0 [<000000005596eec3>] call_timer_fn+0x38/0x200 [<00000000f61d0893>] __run_timers.part.0+0x319/0x400 [<00000000557f0332>] run_timer_softirq+0x3d/0x80 [<0000000095e23099>] __do_softirq+0xcc/0x2c2 [<00000000df9c10c9>] asm_call_irq_on_stack+0xf/0x20 [<00000000659ba122>] do_softirq_own_stack+0x32/0x40 [<000000002f174c42>] irq_exit_rcu+0x91/0xc0 [<000000000a343496>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000dc0a120f>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000f1803ee6>] acpi_idle_do_entry+0xc3/0xd0 [<000000006de0ab56>] acpi_idle_enter+0x128/0x1f0 [<00000000ba8b8c22>] cpuidle_enter_state+0xc9/0x650 [<00000000708dfe3d>] cpuidle_enter+0x29/0x40 [<000000002d898161>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff888110d6e800 (size 32): comm "softirq", pid 0, jiffies 4294941937 (age 11.110s) 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: [<00000000cc725e87>] gadget_setup+0xf6/0x220 [<000000003136f984>] dummy_timer+0xb9f/0x14c0 [<000000005596eec3>] call_timer_fn+0x38/0x200 [<00000000f61d0893>] __run_timers.part.0+0x319/0x400 [<00000000557f0332>] run_timer_softirq+0x3d/0x80 [<0000000095e23099>] __do_softirq+0xcc/0x2c2 [<00000000df9c10c9>] asm_call_irq_on_stack+0xf/0x20 [<00000000659ba122>] do_softirq_own_stack+0x32/0x40 [<000000002f174c42>] irq_exit_rcu+0x91/0xc0 [<000000000a343496>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000dc0a120f>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000f1803ee6>] acpi_idle_do_entry+0xc3/0xd0 [<000000006de0ab56>] acpi_idle_enter+0x128/0x1f0 [<00000000ba8b8c22>] cpuidle_enter_state+0xc9/0x650 [<00000000708dfe3d>] cpuidle_enter+0x29/0x40 [<000000002d898161>] do_idle+0x1c8/0x250