2017/09/14 09:18:29 fuzzer started 2017/09/14 09:18:29 dialing manager at 10.0.2.10:44607 syzkaller login: [ 28.127151] NETDEV WATCHDOG: eth0 (e1000): transmit queue 0 timed out [ 28.128037] ------------[ cut here ]------------ [ 28.128706] WARNING: CPU: 3 PID: 0 at net/sched/sch_generic.c:320 dev_watchdog+0x821/0xa10 [ 28.129586] Kernel panic - not syncing: panic_on_warn set ... [ 28.129586] [ 28.130333] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.13.0-next-20170914+ #4 [ 28.131041] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 28.131834] Call Trace: [ 28.132070] [ 28.132279] dump_stack+0x194/0x257 [ 28.132706] ? arch_local_irq_restore+0x53/0x53 [ 28.133252] panic+0x1e4/0x417 [ 28.133562] ? __warn+0x1d9/0x1d9 [ 28.133884] ? show_regs_print_info+0x65/0x65 [ 28.134429] ? dev_watchdog+0x821/0xa10 [ 28.134810] __warn+0x1c4/0x1d9 [ 28.135145] ? dev_watchdog+0x821/0xa10 [ 28.135518] report_bug+0x211/0x2d0 [ 28.135885] fixup_bug+0x40/0x90 [ 28.136329] do_trap+0x260/0x390 [ 28.137383] do_error_trap+0x120/0x390 [ 28.138326] ? vprintk_emit+0x49b/0x590 [ 28.138713] ? do_trap+0x390/0x390 [ 28.139090] ? dev_watchdog+0x821/0xa10 [ 28.139476] ? vprintk_emit+0x3ea/0x590 [ 28.139869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.140364] do_invalid_op+0x1b/0x20 [ 28.140863] invalid_op+0x18/0x20 [ 28.141355] RIP: 0010:dev_watchdog+0x821/0xa10 [ 28.142580] RSP: 0018:ffff88006df07678 EFLAGS: 00010286 [ 28.144716] RAX: 0000000000000039 RBX: ffff88003b309ec0 RCX: 0000000000000000 [ 28.147929] RDX: 0000000000000039 RSI: 1ffff1000dbe0e8f RDI: ffffed000dbe0ec3 [ 28.148710] RBP: ffff88006df07778 R08: ffff88006df06d68 R09: 0000000000000000 [ 28.149476] R10: ffff88006dad4080 R11: 0000000000000000 R12: 0000000000000000 [ 28.150241] R13: dffffc0000000000 R14: ffff88003b30a3a0 R15: ffff88003b203a00 [ 28.156923] ? dev_watchdog+0x821/0xa10 [ 28.157368] ? qdisc_rcu_free+0x110/0x110 [ 28.157839] ? __lock_is_held+0xbc/0x140 [ 28.158310] call_timer_fn+0x246/0x850 [ 28.158744] ? qdisc_rcu_free+0x110/0x110 [ 28.159202] ? __next_timer_interrupt+0x150/0x150 [ 28.159720] ? lock_downgrade+0x990/0x990 [ 28.160180] ? __run_timers+0x1ce/0xb90 [ 28.160616] ? do_raw_spin_trylock+0x190/0x190 [ 28.161114] ? __lock_is_held+0xbc/0x140 [ 28.161557] ? qdisc_rcu_free+0x110/0x110 [ 28.162003] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 28.162542] ? qdisc_rcu_free+0x110/0x110 [ 28.162986] __run_timers+0x7fd/0xb90 [ 28.168789] ? del_timer_sync+0x240/0x240 [ 28.169272] ? lock_acquire+0x1d5/0x580 [ 28.172722] ? __hrtimer_run_queues+0x385/0xe10 [ 28.173223] ? find_held_lock+0x39/0x1d0 [ 28.173665] ? lock_downgrade+0x990/0x990 [ 28.174112] ? lock_acquire+0x1d5/0x580 [ 28.174531] ? clockevents_program_event+0x163/0x2e0 [ 28.175103] ? rcu_pm_notify+0xc0/0xc0 [ 28.175539] run_timer_softirq+0x4c/0xb0 [ 28.175978] __do_softirq+0x2bb/0xbd0 [ 28.176384] ? ktime_get+0x26f/0x3a0 [ 28.176789] ? do_gettimeofday+0x190/0x190 [ 28.177250] ? __softirqentry_text_start+0x8/0x8 [ 28.177757] ? do_raw_spin_trylock+0x190/0x190 [ 28.178244] ? do_timer+0x50/0x50 [ 28.178624] ? native_apic_msr_write+0x5c/0x80 [ 28.179121] ? kvm_clock_get_cycles+0x25/0x30 [ 28.179607] ? lapic_next_event+0x5a/0x90 [ 28.180053] ? clockevents_program_event+0x108/0x2e0 [ 28.180828] ? tick_program_event+0x7f/0xd0 [ 28.181975] ? hrtimer_interrupt+0x489/0x5f0 [ 28.182497] ? rcu_pm_notify+0xc0/0xc0 [ 28.183544] irq_exit+0x1d3/0x210 [ 28.184730] smp_apic_timer_interrupt+0x177/0x710 [ 28.185442] ? smp_reschedule_interrupt+0xf2/0x670 [ 28.193750] ? smp_call_function_single_interrupt+0x650/0x650 [ 28.200838] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.201387] apic_timer_interrupt+0x9d/0xb0 [ 28.201853] [ 28.202099] RIP: 0010:native_safe_halt+0x6/0x10 [ 28.202601] RSP: 0018:ffff88006dadfdb0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 28.203441] RAX: dffffc0000000000 RBX: 1ffff1000db5bfb9 RCX: 0000000000000000 [ 28.204222] RDX: 1ffffffff0b59300 RSI: 0000000000000001 RDI: ffffffff85ac9800 [ 28.205012] RBP: ffff88006dadfdb0 R08: ffffffff857eba78 R09: 0000000000000000 [ 28.205795] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85ac97f0 [ 28.206580] R13: ffff88006dadfe68 R14: 0000000000000000 R15: ffff88006dad4080 [ 28.207405] default_idle+0xbf/0x460 [ 28.207823] ? __sched_text_end+0x4/0x4 [ 28.208273] ? tick_nohz_idle_enter+0xde/0x160 [ 28.208790] arch_cpu_idle+0xa/0x10 [ 28.209195] default_idle_call+0x36/0x90 [ 28.209645] do_idle+0x256/0x3b0 [ 28.212613] cpu_startup_entry+0x18/0x20 [ 28.218787] start_secondary+0x2ea/0x3f0 [ 28.220679] secondary_startup_64+0xa5/0xa5 [ 28.223438] Dumping ftrace buffer: [ 28.223937] (ftrace buffer empty) [ 28.224340] Kernel Offset: disabled [ 28.224754] Rebooting in 86400 seconds..