2017/09/14 03:01:56 fuzzer started 2017/09/14 03:01:56 dialing manager at 10.0.2.10:45686 syzkaller login: [ 41.952073] NETDEV WATCHDOG: eth0 (e1000): transmit queue 0 timed out [ 41.953038] ------------[ cut here ]------------ [ 41.953540] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:320 dev_watchdog+0x821/0xa10 [ 41.954375] Kernel panic - not syncing: panic_on_warn set ... [ 41.954375] [ 41.955218] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.13.0-next-20170913+ #3 [ 41.956065] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 41.957001] Call Trace: [ 41.957302] [ 41.957559] dump_stack+0x194/0x257 [ 41.957875] ? arch_local_irq_restore+0x53/0x53 [ 41.958290] panic+0x1e4/0x417 [ 41.958606] ? __warn+0x1d9/0x1d9 [ 41.960227] ? show_regs_print_info+0x65/0x65 [ 41.960761] ? dev_watchdog+0x821/0xa10 [ 41.961225] __warn+0x1c4/0x1d9 [ 41.961599] ? dev_watchdog+0x821/0xa10 [ 41.962060] report_bug+0x211/0x2d0 [ 41.962549] fixup_bug+0x40/0x90 [ 41.962954] do_trap+0x260/0x390 [ 41.963523] do_error_trap+0x120/0x390 [ 41.963957] ? vprintk_emit+0x49b/0x590 [ 41.964522] ? do_trap+0x390/0x390 [ 41.964932] ? dev_watchdog+0x821/0xa10 [ 41.965446] ? vprintk_emit+0x3ea/0x590 [ 41.965925] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.967509] do_invalid_op+0x1b/0x20 [ 41.967927] invalid_op+0x18/0x20 [ 41.977214] RIP: 0010:dev_watchdog+0x821/0xa10 [ 41.978817] RSP: 0018:ffff88003ec07678 EFLAGS: 00010286 [ 41.979444] RAX: 0000000000000039 RBX: ffff88006b6c9740 RCX: 0000000000000000 [ 41.981564] RDX: 0000000000000039 RSI: 1ffff10007d80e8f RDI: ffffed0007d80ec3 [ 41.982497] RBP: ffff88003ec07778 R08: ffff88003ec06d68 R09: 0000000000000000 [ 41.984062] R10: ffffffff85a2f380 R11: 0000000000000000 R12: 0000000000000000 [ 41.985871] R13: dffffc0000000000 R14: ffff88006b6c9c20 R15: ffff88006b4cdd40 [ 41.988332] ? dev_watchdog+0x821/0xa10 [ 41.988869] ? qdisc_rcu_free+0x110/0x110 [ 41.990625] ? __lock_is_held+0xbc/0x140 [ 41.991578] call_timer_fn+0x246/0x850 [ 41.992142] ? qdisc_rcu_free+0x110/0x110 [ 41.994235] ? __next_timer_interrupt+0x150/0x150 [ 41.995216] ? lock_downgrade+0x990/0x990 [ 41.995810] ? __run_timers+0x1ce/0xb90 [ 41.996849] ? do_raw_spin_trylock+0x190/0x190 [ 41.999175] ? __lock_is_held+0xbc/0x140 [ 42.000895] ? qdisc_rcu_free+0x110/0x110 [ 42.002248] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 42.003765] ? qdisc_rcu_free+0x110/0x110 [ 42.004942] __run_timers+0x7fd/0xb90 [ 42.005490] ? del_timer_sync+0x240/0x240 [ 42.006052] ? lock_acquire+0x1d5/0x580 [ 42.006594] ? __hrtimer_run_queues+0x385/0xe10 [ 42.007159] ? find_held_lock+0x39/0x1d0 [ 42.007763] ? lock_downgrade+0x990/0x990 [ 42.008266] ? lock_acquire+0x1d5/0x580 [ 42.008738] ? clockevents_program_event+0x163/0x2e0 [ 42.009357] ? rcu_pm_notify+0xc0/0xc0 [ 42.009832] run_timer_softirq+0x4c/0xb0 [ 42.010510] __do_softirq+0x2bb/0xbd0 [ 42.012874] ? ktime_get+0x26f/0x3a0 [ 42.015240] ? do_gettimeofday+0x190/0x190 [ 42.018413] ? __softirqentry_text_start+0x8/0x8 [ 42.022006] ? do_raw_spin_trylock+0x190/0x190 [ 42.022539] ? do_timer+0x50/0x50 [ 42.022980] ? do_raw_spin_trylock+0x190/0x190 [ 42.024086] ? native_apic_msr_write+0x5c/0x80 [ 42.026436] ? lock_release+0xd40/0xd70 [ 42.027497] ? lapic_next_event+0x5a/0x90 [ 42.027895] ? clockevents_program_event+0x108/0x2e0 [ 42.028379] ? tick_program_event+0x7f/0xd0 [ 42.028808] ? hrtimer_interrupt+0x489/0x5f0 [ 42.029211] ? rcu_pm_notify+0xc0/0xc0 [ 42.029572] irq_exit+0x1d3/0x210 [ 42.029888] smp_apic_timer_interrupt+0x177/0x710 [ 42.030329] ? smp_call_function_single_interrupt+0x650/0x650 [ 42.030917] ? kvm_guest_apic_eoi_write+0x6a/0x80 [ 42.031681] ? ioapic_ack_level+0x165/0x450 [ 42.032483] ? _raw_spin_lock+0x32/0x40 [ 42.033076] ? _raw_spin_unlock+0x22/0x30 [ 42.033701] ? handle_fasteoi_irq+0x2db/0x510 [ 42.034414] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.035161] apic_timer_interrupt+0x9d/0xb0 [ 42.035806] [ 42.036143] RIP: 0010:native_safe_halt+0x6/0x10 [ 42.036830] RSP: 0018:ffffffff85a07d10 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 [ 42.038473] RAX: dffffc0000000000 RBX: 1ffffffff0b40fa5 RCX: 0000000000000000 [ 42.040012] RDX: 1ffffffff0b59308 RSI: 0000000000000001 RDI: ffffffff85ac9840 [ 42.041872] RBP: ffffffff85a07d10 R08: ffffffff857eba60 R09: 0000000000000000 [ 42.043013] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85ac9830 [ 42.044102] R13: ffffffff85a07dc8 R14: 0000000000000000 R15: ffffffff85a2f380 [ 42.045218] default_idle+0xbf/0x460 [ 42.046004] ? __sched_text_end+0x4/0x4 [ 42.046593] ? tick_nohz_idle_enter+0xde/0x160 [ 42.047341] arch_cpu_idle+0xa/0x10 [ 42.048058] default_idle_call+0x36/0x90 [ 42.048952] do_idle+0x256/0x3b0 [ 42.049627] cpu_startup_entry+0x18/0x20 [ 42.050464] rest_init+0xed/0xf0 [ 42.051182] start_kernel+0x72e/0x754 [ 42.051982] ? mem_encrypt_init+0xb/0xb [ 42.052802] ? memcpy_orig+0x54/0x110 [ 42.053552] x86_64_start_reservations+0x2a/0x2c [ 42.054510] x86_64_start_kernel+0x87/0x8a [ 42.055383] secondary_startup_64+0xa5/0xa5 [ 42.056564] Dumping ftrace buffer: [ 42.057414] (ftrace buffer empty) [ 42.058191] Kernel Offset: disabled [ 42.058972] Rebooting in 86400 seconds..