2017/09/17 00:48:56 fuzzer started 2017/09/17 00:48:56 dialing manager at 10.0.2.10:44638 syzkaller login: [ 33.759109] NETDEV WATCHDOG: eth0 (e1000): transmit queue 0 timed out [ 33.759966] ------------[ cut here ]------------ [ 33.760454] WARNING: CPU: 1 PID: 0 at net/sched/sch_generic.c:320 dev_watchdog+0x821/0xa10 [ 33.761248] Kernel panic - not syncing: panic_on_warn set ... [ 33.761248] [ 33.761897] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.13.0-next-20170915+ #5 [ 33.762551] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 33.763299] Call Trace: [ 33.763536] [ 33.763742] dump_stack+0x194/0x257 [ 33.764082] ? arch_local_irq_restore+0x53/0x53 [ 33.764522] panic+0x1e4/0x417 [ 33.764832] ? __warn+0x1d9/0x1d9 [ 33.765243] ? show_regs_print_info+0x65/0x65 [ 33.765670] ? dev_watchdog+0x821/0xa10 [ 33.766033] __warn+0x1c4/0x1d9 [ 33.766336] ? dev_watchdog+0x821/0xa10 [ 33.766991] report_bug+0x211/0x2d0 [ 33.767689] fixup_bug+0x40/0x90 [ 33.768327] do_trap+0x260/0x390 [ 33.768972] do_error_trap+0x120/0x390 [ 33.771423] ? vprintk_emit+0x49b/0x590 [ 33.771855] ? do_trap+0x390/0x390 [ 33.772277] ? dev_watchdog+0x821/0xa10 [ 33.772698] ? vprintk_emit+0x3ea/0x590 [ 33.773178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.773721] do_invalid_op+0x1b/0x20 [ 33.774110] invalid_op+0x18/0x20 [ 33.774638] RIP: 0010:dev_watchdog+0x821/0xa10 [ 33.775137] RSP: 0018:ffff88003ed07678 EFLAGS: 00010286 [ 33.775700] RAX: 0000000000000039 RBX: ffff88006b388240 RCX: 0000000000000000 [ 33.776466] RDX: 0000000000000039 RSI: 1ffff10007da0e8f RDI: ffffed0007da0ec3 [ 33.777191] RBP: ffff88003ed07778 R08: ffff88003ed06d68 R09: 0000000000000000 [ 33.777951] R10: ffff88003e04e340 R11: 0000000000000000 R12: 0000000000000000 [ 33.778708] R13: dffffc0000000000 R14: ffff88006b388720 R15: ffff88006b259840 [ 33.779546] ? dev_watchdog+0x821/0xa10 [ 33.779973] ? qdisc_rcu_free+0x110/0x110 [ 33.780543] ? __lock_is_held+0xbc/0x140 [ 33.781276] call_timer_fn+0x246/0x850 [ 33.782017] ? qdisc_rcu_free+0x110/0x110 [ 33.782805] ? __next_timer_interrupt+0x150/0x150 [ 33.783580] ? lock_downgrade+0x990/0x990 [ 33.784034] ? __run_timers+0x1ce/0xb90 [ 33.784479] ? do_raw_spin_trylock+0x190/0x190 [ 33.785000] ? __lock_is_held+0xbc/0x140 [ 33.785528] ? qdisc_rcu_free+0x110/0x110 [ 33.786196] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 33.786828] ? qdisc_rcu_free+0x110/0x110 [ 33.787297] __run_timers+0x7fd/0xb90 [ 33.787768] ? del_timer_sync+0x240/0x240 [ 33.788527] ? lock_acquire+0x1d5/0x580 [ 33.788969] ? __hrtimer_run_queues+0x385/0xe10 [ 33.789532] ? find_held_lock+0x39/0x1d0 [ 33.789999] ? lock_downgrade+0x990/0x990 [ 33.792218] ? lock_acquire+0x1d5/0x580 [ 33.792944] ? clockevents_program_event+0x163/0x2e0 [ 33.793910] ? rcu_pm_notify+0xc0/0xc0 [ 33.794431] run_timer_softirq+0x4c/0xb0 [ 33.794925] __do_softirq+0x2bb/0xbd0 [ 33.795491] ? ktime_get+0x26f/0x3a0 [ 33.795888] ? do_gettimeofday+0x190/0x190 [ 33.796399] ? __softirqentry_text_start+0x8/0x8 [ 33.796912] ? do_raw_spin_trylock+0x190/0x190 [ 33.797635] ? do_timer+0x50/0x50 [ 33.798233] ? do_raw_spin_trylock+0x190/0x190 [ 33.799000] ? native_apic_msr_write+0x5c/0x80 [ 33.799499] ? lock_release+0xd10/0xd70 [ 33.799972] ? lapic_next_event+0x5a/0x90 [ 33.800409] ? clockevents_program_event+0x108/0x2e0 [ 33.800955] ? tick_program_event+0x7f/0xd0 [ 33.801467] ? hrtimer_interrupt+0x489/0x5f0 [ 33.801927] ? rcu_pm_notify+0xc0/0xc0 [ 33.802350] irq_exit+0x1d3/0x210 [ 33.802711] smp_apic_timer_interrupt+0x177/0x710 [ 33.803211] ? smp_reschedule_interrupt+0xf2/0x670 [ 33.803720] ? smp_call_function_single_interrupt+0x650/0x650 [ 33.804352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.804902] apic_timer_interrupt+0x9d/0xb0 [ 33.805448] [ 33.805729] RIP: 0010:native_safe_halt+0x6/0x10 [ 33.806245] RSP: 0018:ffff88003e057db0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 33.807072] RAX: dffffc0000000000 RBX: 1ffff10007c0afb9 RCX: 0000000000000000 [ 33.807599] RDX: 1ffffffff0b59340 RSI: 0000000000000001 RDI: ffffffff85ac9a00 [ 33.808205] RBP: ffff88003e057db0 R08: ffffffff857eba68 R09: 0000000000000000 [ 33.808827] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85ac99f0 [ 33.809439] R13: ffff88003e057e68 R14: 0000000000000000 R15: ffff88003e04e340 [ 33.810043] default_idle+0xbf/0x460 [ 33.810390] ? __sched_text_end+0x4/0x4 [ 33.810749] ? tick_nohz_idle_enter+0xde/0x160 [ 33.811137] arch_cpu_idle+0xa/0x10 [ 33.811393] default_idle_call+0x36/0x90 [ 33.812085] do_idle+0x256/0x3b0 [ 33.812432] cpu_startup_entry+0x18/0x20 [ 33.812832] start_secondary+0x2ea/0x3f0 [ 33.813255] secondary_startup_64+0xa5/0xa5 [ 33.813940] Dumping ftrace buffer: [ 33.814359] (ftrace buffer empty) [ 33.814675] Kernel Offset: disabled [ 33.815033] Rebooting in 86400 seconds..