2017/08/23 12:51:50 fuzzer started 2017/08/23 12:51:50 dialing manager at 10.0.2.10:35389 syzkaller login: [ 34.783082] NETDEV WATCHDOG: eth0 (e1000): transmit queue 0 timed out [ 34.783799] ------------[ cut here ]------------ [ 34.784215] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:320 dev_watchdog+0x821/0xa10 [ 34.784907] Kernel panic - not syncing: panic_on_warn set ... [ 34.784907] [ 34.785503] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 34.786135] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 34.786819] Call Trace: [ 34.787046] [ 34.787243] dump_stack+0x194/0x257 [ 34.787540] ? arch_local_irq_restore+0x53/0x53 [ 34.787941] panic+0x1e4/0x41c [ 34.788218] ? refcount_error_report+0x214/0x214 [ 34.788625] ? show_regs_print_info+0x65/0x65 [ 34.789019] ? dev_watchdog+0x821/0xa10 [ 34.789960] __warn+0x1c4/0x1e0 [ 34.790654] ? dev_watchdog+0x821/0xa10 [ 34.791424] report_bug+0x211/0x2d0 [ 34.792114] fixup_bug+0x40/0x90 [ 34.792843] do_trap+0x260/0x390 [ 34.795343] do_error_trap+0x120/0x390 [ 34.796045] ? vprintk_emit+0x49b/0x590 [ 34.796799] ? do_trap+0x390/0x390 [ 34.797463] ? dev_watchdog+0x821/0xa10 [ 34.798211] ? vprintk_emit+0x3ea/0x590 [ 34.798923] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.799827] do_invalid_op+0x1b/0x20 [ 34.800532] invalid_op+0x18/0x20 [ 34.801151] RIP: 0010:dev_watchdog+0x821/0xa10 [ 34.802523] RSP: 0018:ffff88003ec077b8 EFLAGS: 00010286 [ 34.804267] RAX: 0000000000000039 RBX: ffff88003b151440 RCX: 0000000000000000 [ 34.806577] RDX: 0000000000000039 RSI: 1ffff10007d80eb7 RDI: ffffed0007d80eeb [ 34.808588] RBP: ffff88003ec078b8 R08: ffff88003ec06ea8 R09: 0000000000000000 [ 34.810755] R10: ffffffff85a2f3c0 R11: 0000000000000000 R12: 0000000000000000 [ 34.812907] R13: dffffc0000000000 R14: ffff88003b151920 R15: ffff88003b772540 [ 34.820670] ? dev_watchdog+0x821/0xa10 [ 34.821248] ? qdisc_rcu_free+0x110/0x110 [ 34.821828] ? __lock_is_held+0xbc/0x140 [ 34.822419] call_timer_fn+0x246/0x850 [ 34.822979] ? qdisc_rcu_free+0x110/0x110 [ 34.823558] ? init_timer_key+0x3b0/0x3b0 [ 34.824131] ? lock_downgrade+0x990/0x990 [ 34.824706] ? update_max_interval+0x60/0x60 [ 34.825336] ? __run_timers+0x1ce/0xb90 [ 34.825898] ? do_raw_spin_trylock+0x190/0x190 [ 34.826537] ? __lock_is_held+0xbc/0x140 [ 34.827103] ? qdisc_rcu_free+0x110/0x110 [ 34.827851] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 34.831107] ? qdisc_rcu_free+0x110/0x110 [ 34.831686] __run_timers+0x7fd/0xb90 [ 34.832227] ? msleep_interruptible+0x170/0x170 [ 34.832873] ? lock_acquire+0x1d5/0x580 [ 34.833432] ? __hrtimer_run_queues+0x385/0xe10 [ 34.834085] ? find_held_lock+0x39/0x1d0 [ 34.839261] ? lock_downgrade+0x990/0x990 [ 34.839856] ? lock_acquire+0x1d5/0x580 [ 34.840420] ? clockevents_program_event+0x163/0x2e0 [ 34.841259] ? pvclock_read_flags+0x160/0x160 [ 34.841888] ? rcu_pm_notify+0xc0/0xc0 [ 34.842445] run_timer_softirq+0x21/0x80 [ 34.843008] __do_softirq+0x2bb/0xbd0 [ 34.843547] ? __softirqentry_text_start+0x8/0x8 [ 34.844220] ? native_apic_msr_write+0x5c/0x80 [ 34.844862] ? lapic_next_event+0x5a/0x90 [ 34.845449] ? clockevents_program_event+0x108/0x2e0 [ 34.850509] ? tick_program_event+0x7f/0xd0 [ 34.851208] ? hrtimer_interrupt+0x489/0x5f0 [ 34.851879] irq_exit+0x1d3/0x210 [ 34.852364] smp_apic_timer_interrupt+0x76/0xa0 [ 34.853013] apic_timer_interrupt+0x9d/0xb0 [ 34.853623] [ 34.853936] RIP: 0010:native_safe_halt+0x6/0x10 [ 34.854578] RSP: 0018:ffffffff85a07ce0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 34.855644] RAX: dffffc0000000000 RBX: 1ffffffff0b40f9f RCX: 0000000000000000 [ 34.856652] RDX: 1ffffffff0b59148 RSI: 0000000000000001 RDI: ffffffff85ac8a40 [ 34.869750] RBP: ffffffff85a07ce0 R08: ffffffff81618b79 R09: 0000000000000000 [ 34.870751] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85ac8a30 [ 34.872020] R13: ffffffff85a07d98 R14: 0000000000000000 R15: ffffffff85a2f3c0 [ 34.873959] ? tick_nohz_idle_enter+0xd9/0x160 [ 34.876241] default_idle+0xbf/0x460 [ 34.876762] ? __sched_text_end+0x4/0x4 [ 34.877353] arch_cpu_idle+0xa/0x10 [ 34.877859] default_idle_call+0x36/0x90 [ 34.882754] do_idle+0x256/0x3b0 [ 34.883235] cpu_startup_entry+0x18/0x20 [ 34.883801] rest_init+0xed/0xf0 [ 34.884279] start_kernel+0x782/0x7a8 [ 34.884812] ? mem_encrypt_init+0xb/0xb [ 34.885384] ? memcpy_orig+0x54/0x110 [ 34.885924] ? early_idt_handler_array+0x120/0x120 [ 34.886623] x86_64_start_reservations+0x2a/0x2c [ 34.887285] x86_64_start_kernel+0x13c/0x149 [ 34.887917] secondary_startup_64+0xa5/0xa5 [ 34.888681] Dumping ftrace buffer: [ 34.893102] (ftrace buffer empty) [ 34.893629] Kernel Offset: disabled [ 34.894147] Rebooting in 86400 seconds..