2017/08/31 06:22:31 fuzzer started 2017/08/31 06:22:31 dialing manager at 10.0.2.10:46204 syzkaller login: [ 37.855219] NETDEV WATCHDOG: eth0 (e1000): transmit queue 0 timed out [ 37.859489] ------------[ cut here ]------------ [ 37.861343] WARNING: CPU: 3 PID: 0 at net/sched/sch_generic.c:320 dev_watchdog+0x821/0xa10 [ 37.863011] Kernel panic - not syncing: panic_on_warn set ... [ 37.863011] [ 37.864559] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.13.0-rc7-next-20170829+ #11 [ 37.871456] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 37.873398] Call Trace: [ 37.873887] [ 37.874338] dump_stack+0x194/0x257 [ 37.875062] ? arch_local_irq_restore+0x53/0x53 [ 37.876950] panic+0x1e4/0x41c [ 37.877585] ? refcount_error_report+0x214/0x214 [ 37.878509] ? show_regs_print_info+0x65/0x65 [ 37.879356] ? dev_watchdog+0x821/0xa10 [ 37.880082] __warn+0x1c4/0x1e0 [ 37.880688] ? dev_watchdog+0x821/0xa10 [ 37.881472] report_bug+0x211/0x2d0 [ 37.882180] fixup_bug+0x40/0x90 [ 37.882788] do_trap+0x260/0x390 [ 37.883963] do_error_trap+0x120/0x390 [ 37.885369] ? vprintk_emit+0x49b/0x590 [ 37.891746] ? do_trap+0x390/0x390 [ 37.892115] ? dev_watchdog+0x821/0xa10 [ 37.892555] ? vprintk_emit+0x3ea/0x590 [ 37.892984] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.893499] do_invalid_op+0x1b/0x20 [ 37.893887] invalid_op+0x18/0x20 [ 37.894246] RIP: 0010:dev_watchdog+0x821/0xa10 [ 37.899031] RSP: 0018:ffff88006df077b8 EFLAGS: 00010286 [ 37.899588] RAX: 0000000000000039 RBX: ffff88003b410e00 RCX: 0000000000000000 [ 37.900305] RDX: 0000000000000039 RSI: 1ffff1000dbe0eb7 RDI: ffffed000dbe0eeb [ 37.901024] RBP: ffff88006df078b8 R08: ffff88006df06ea8 R09: 0000000000000000 [ 37.902211] R10: ffff88006dad4080 R11: 0000000000000000 R12: 0000000000000000 [ 37.909860] R13: dffffc0000000000 R14: ffff88003b4112e0 R15: ffff88003bfe42c0 [ 37.911137] ? dev_watchdog+0x821/0xa10 [ 37.911710] ? qdisc_rcu_free+0x110/0x110 [ 37.912616] ? __lock_is_held+0xbc/0x140 [ 37.914408] call_timer_fn+0x246/0x850 [ 37.915528] ? qdisc_rcu_free+0x110/0x110 [ 37.916389] ? __next_timer_interrupt+0x150/0x150 [ 37.917394] ? lock_downgrade+0x990/0x990 [ 37.918234] ? update_max_interval+0x60/0x60 [ 37.919137] ? __run_timers+0x1ce/0xb90 [ 37.920003] ? do_raw_spin_trylock+0x190/0x190 [ 37.920902] ? __lock_is_held+0xbc/0x140 [ 37.921734] ? qdisc_rcu_free+0x110/0x110 [ 37.927412] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 37.929067] ? qdisc_rcu_free+0x110/0x110 [ 37.929484] __run_timers+0x7fd/0xb90 [ 37.930990] ? del_timer_sync+0x240/0x240 [ 37.932191] ? lock_acquire+0x1d5/0x580 [ 37.932629] ? __hrtimer_run_queues+0x385/0xe10 [ 37.934257] ? find_held_lock+0x39/0x1d0 [ 37.934708] ? lock_downgrade+0x990/0x990 [ 37.935661] ? lock_acquire+0x1d5/0x580 [ 37.936748] ? clockevents_program_event+0x163/0x2e0 [ 37.937386] ? pvclock_read_flags+0x160/0x160 [ 37.942359] ? rcu_pm_notify+0xc0/0xc0 [ 37.942759] run_timer_softirq+0x4c/0xb0 [ 37.943159] __do_softirq+0x2bd/0xbd4 [ 37.943549] ? __softirqentry_text_start+0x8/0x8 [ 37.945761] ? native_apic_msr_write+0x5c/0x80 [ 37.947928] ? lapic_next_event+0x5a/0x90 [ 37.948997] ? clockevents_program_event+0x108/0x2e0 [ 37.951524] ? tick_program_event+0x7f/0xd0 [ 37.951940] ? hrtimer_interrupt+0x489/0x5f0 [ 37.952399] irq_exit+0x1d3/0x210 [ 37.952777] smp_apic_timer_interrupt+0x76/0xa0 [ 37.953268] apic_timer_interrupt+0x9d/0xb0 [ 37.953741] [ 37.953991] RIP: 0010:native_safe_halt+0x6/0x10 [ 37.954468] RSP: 0018:ffff88006dadfdb0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 37.957418] RAX: dffffc0000000000 RBX: 1ffff1000db5bfb9 RCX: 0000000000000000 [ 37.957955] RDX: 1ffffffff0b592f8 RSI: 0000000000000001 RDI: ffffffff85ac97c0 [ 37.958497] RBP: ffff88006dadfdb0 R08: ffffffff857e9a98 R09: 0000000000000000 [ 37.959029] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85ac97b0 [ 37.959549] R13: ffff88006dadfe68 R14: 0000000000000000 R15: ffff88006dad4080 [ 37.960332] default_idle+0xbf/0x460 [ 37.960737] ? __sched_text_end+0x4/0x4 [ 37.961213] ? tick_nohz_idle_enter+0xde/0x160 [ 37.961723] arch_cpu_idle+0xa/0x10 [ 37.962099] default_idle_call+0x36/0x90 [ 37.962638] do_idle+0x256/0x3b0 [ 37.962976] cpu_startup_entry+0x18/0x20 [ 37.963370] start_secondary+0x277/0x310 [ 37.963967] secondary_startup_64+0xa5/0xa5 [ 37.967643] Dumping ftrace buffer: [ 37.968179] (ftrace buffer empty) [ 37.968584] Kernel Offset: disabled [ 37.968997] Rebooting in 86400 seconds..