[ 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 '10.128.0.206' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.729011][ T24] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 50.008978][ T24] usb 1-1: device descriptor read/64, error 18 [ 50.408854][ T24] usb 1-1: device descriptor read/64, error 18 [ 50.688849][ T24] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 51.018704][ T24] usb 1-1: device descriptor read/64, error 18 [ 51.408632][ T24] usb 1-1: device descriptor read/64, error 18 [ 51.528665][ T24] usb usb1-port1: attempt power cycle [ 52.238459][ T24] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 52.418487][ T24] usb 1-1: device descriptor read/8, error -61 [ 52.708483][ T24] usb 1-1: device descriptor read/8, error -61 [ 52.978314][ T24] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 53.148385][ T24] usb 1-1: device descriptor read/8, error -61 [ 53.428290][ T24] usb 1-1: device descriptor read/8, error -61 [ 53.558231][ T24] usb usb1-port1: unable to enumerate USB device [ 60.377424][ T8454] kmemleak: 5 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881104ac340 (size 32): comm "softirq", pid 0, jiffies 4294942222 (age 12.700s) 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: [<0000000072f42cb2>] gadget_setup+0xf6/0x220 [<00000000c9fe3051>] dummy_timer+0xb9f/0x14c0 [<00000000cdee3569>] call_timer_fn+0x38/0x200 [<00000000963dcfea>] __run_timers.part.0+0x319/0x400 [<00000000af1f79e5>] run_timer_softirq+0x3d/0x80 [<000000005c1cfde4>] __do_softirq+0xcc/0x2c2 [<00000000f197eb63>] asm_call_irq_on_stack+0xf/0x20 [<0000000008ffc205>] do_softirq_own_stack+0x32/0x40 [<00000000451cbdde>] irq_exit_rcu+0x91/0xc0 [<00000000666f4f13>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000b92f0f75>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000004f4f25e>] acpi_idle_do_entry+0xc3/0xd0 [<00000000da75155d>] acpi_idle_enter+0x128/0x1f0 [<00000000b53ed1c6>] cpuidle_enter_state+0xc9/0x650 [<0000000066f7b73e>] cpuidle_enter+0x29/0x40 [<00000000b464faa1>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff88810f836ea0 (size 32): comm "softirq", pid 0, jiffies 4294942261 (age 12.310s) 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: [<0000000072f42cb2>] gadget_setup+0xf6/0x220 [<00000000c9fe3051>] dummy_timer+0xb9f/0x14c0 [<00000000cdee3569>] call_timer_fn+0x38/0x200 [<00000000963dcfea>] __run_timers.part.0+0x319/0x400 [<00000000af1f79e5>] run_timer_softirq+0x3d/0x80 [<000000005c1cfde4>] __do_softirq+0xcc/0x2c2 [<00000000f197eb63>] asm_call_irq_on_stack+0xf/0x20 [<0000000008ffc205>] do_softirq_own_stack+0x32/0x40 [<00000000451cbdde>] irq_exit_rcu+0x91/0xc0 [<00000000666f4f13>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000b92f0f75>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000004f4f25e>] acpi_idle_do_entry+0xc3/0xd0 [<00000000da75155d>] acpi_idle_enter+0x128/0x1f0 [<00000000b53ed1c6>] cpuidle_enter_state+0xc9/0x650 [<0000000066f7b73e>] cpuidle_enter+0x29/0x40 [<00000000b464faa1>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff88810a4d36a0 (size 32): comm "softirq", pid 0, jiffies 4294942318 (age 11.740s) 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: [<0000000072f42cb2>] gadget_setup+0xf6/0x220 [<00000000c9fe3051>] dummy_timer+0xb9f/0x14c0 [<00000000cdee3569>] call_timer_fn+0x38/0x200 [<00000000963dcfea>] __run_timers.part.0+0x319/0x400 [<00000000af1f79e5>] run_timer_softirq+0x3d/0x80 [<000000005c1cfde4>] __do_softirq+0xcc/0x2c2 [<00000000f197eb63>] asm_call_irq_on_stack+0xf/0x20 [<0000000008ffc205>] do_softirq_own_stack+0x32/0x40 [<00000000451cbdde>] irq_exit_rcu+0x91/0xc0 [<00000000666f4f13>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000b92f0f75>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000004f4f25e>] acpi_idle_do_entry+0xc3/0xd0 [<00000000da75155d>] acpi_idle_enter+0x128/0x1f0 [<00000000b53ed1c6>] cpuidle_enter_state+0xc9/0x650 [<0000000066f7b73e>] cpuidle_enter+0x29/0x40 [<00000000b464faa1>] do_idle+0x1c8/0x250