[ 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 '10.128.0.251' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 46.253114][ T54] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 46.533076][ T54] usb 1-1: device descriptor read/64, error 18 [ 46.933047][ T54] usb 1-1: device descriptor read/64, error 18 [ 47.202929][ T54] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 47.472819][ T54] usb 1-1: device descriptor read/64, error 18 [ 47.862722][ T54] usb 1-1: device descriptor read/64, error 18 [ 47.982876][ T54] usb usb1-port1: attempt power cycle [ 48.692554][ T54] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 48.872558][ T54] usb 1-1: device descriptor read/8, error -61 [ 49.152501][ T54] usb 1-1: device descriptor read/8, error -61 [ 49.422417][ T54] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 49.592407][ T54] usb 1-1: device descriptor read/8, error -61 [ 49.862363][ T54] usb 1-1: device descriptor read/8, error -61 [ 49.982333][ T54] usb usb1-port1: unable to enumerate USB device [ 56.933383][ T8510] kmemleak: 20 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888110c97ee0 (size 32): comm "softirq", pid 0, jiffies 4294941939 (age 12.320s) 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: [<00000000ebd790d4>] gadget_setup+0xf6/0x220 [<000000005b8dd5fb>] dummy_timer+0xb9f/0x14c0 [<0000000072a387bf>] call_timer_fn+0x38/0x200 [<00000000d7fbcbde>] __run_timers.part.0+0x319/0x400 [<00000000899eea85>] run_timer_softirq+0x3d/0x80 [<00000000bfb9377c>] __do_softirq+0xcc/0x2c2 [<0000000068e10721>] asm_call_irq_on_stack+0xf/0x20 [<000000006648cc7a>] do_softirq_own_stack+0x32/0x40 [<00000000a43e120e>] irq_exit_rcu+0x91/0xc0 [<000000007459690c>] sysvec_apic_timer_interrupt+0x36/0x80 [<000000006cffd384>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000028ac2e72>] acpi_idle_do_entry+0xc3/0xd0 [<0000000052939ba2>] acpi_idle_enter+0x128/0x1f0 [<00000000b207aae2>] cpuidle_enter_state+0xc9/0x650 [<0000000055f46ef7>] cpuidle_enter+0x29/0x40 [<00000000e795949c>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff88811072aec0 (size 32): comm "softirq", pid 0, jiffies 4294941943 (age 12.280s) 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: [<00000000ebd790d4>] gadget_setup+0xf6/0x220 [<000000005b8dd5fb>] dummy_timer+0xb9f/0x14c0 [<0000000072a387bf>] call_timer_fn+0x38/0x200 [<00000000d7fbcbde>] __run_timers.part.0+0x319/0x400 [<00000000899eea85>] run_timer_softirq+0x3d/0x80 [<00000000bfb9377c>] __do_softirq+0xcc/0x2c2 [<0000000068e10721>] asm_call_irq_on_stack+0xf/0x20 [<000000006648cc7a>] do_softirq_own_stack+0x32/0x40 [<00000000a43e120e>] irq_exit_rcu+0x91/0xc0 [<000000007459690c>] sysvec_apic_timer_interrupt+0x36/0x80 [<000000006cffd384>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000028ac2e72>] acpi_idle_do_entry+0xc3/0xd0 [<0000000052939ba2>] acpi_idle_enter+0x128/0x1f0 [<00000000b207aae2>] cpuidle_enter_state+0xc9/0x650 [<0000000055f46ef7>] cpuidle_enter+0x29/0x40 [<00000000e795949c>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff88811072aea0 (size 32): comm "softirq", pid 0, jiffies 4294941989 (age 11.820s) 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: [<00000000ebd790d4>] gadget_setup+0xf6/0x220 [<000000005b8dd5fb>] dummy_timer+0xb9f/0x14c0 [<0000000072a387bf>] call_timer_fn+0x38/0x200 [<00000000d7fbcbde>] __run_timers.part.0+0x319/0x400 [<00000000899eea85>] run_timer_softirq+0x3d/0x80 [<00000000bfb9377c>] __do_softirq+0xcc/0x2c2 [<0000000068e10721>] asm_call_irq_on_stack+0xf/0x20 [<000000006648cc7a>] do_softirq_own_stack+0x32/0x40 [<00000000a43e120e>] irq_exit_rcu+0x91/0xc0 [<000000007459690c>] sysvec_apic_timer_interrupt+0x36/0x80 [<000000006cffd384>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000028ac2e72>] acpi_idle_do_entry+0xc3/0xd0 [<0000000052939ba2>] acpi_idle_enter+0x128/0x1f0 [<00000000b207aae2>] cpuidle_enter_state+0xc9/0x650 [<0000000055f46ef7>] cpuidle_enter+0x29/0x40 [<00000000e795949c>] do_idle+0x1c8/0x250