2017/09/07 23:05:28 fuzzer started 2017/09/07 23:05:28 dialing manager at 10.0.2.10:36782 syzkaller login: [ 34.784034] NETDEV WATCHDOG: eth0 (e1000): transmit queue 0 timed out [ 34.784729] ------------[ cut here ]------------ [ 34.785058] WARNING: CPU: 3 PID: 0 at net/sched/sch_generic.c:320 dev_watchdog+0x821/0xa10 [ 34.785564] Kernel panic - not syncing: panic_on_warn set ... [ 34.785564] [ 34.786041] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.13.0-next-20170907+ #17 [ 34.786587] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 34.787246] Call Trace: [ 34.787484] [ 34.787710] dump_stack+0x194/0x257 [ 34.788041] ? arch_local_irq_restore+0x53/0x53 [ 34.788471] panic+0x1e4/0x417 [ 34.788763] ? __warn+0x1d9/0x1d9 [ 34.789145] ? show_regs_print_info+0x65/0x65 [ 34.789982] ? dev_watchdog+0x821/0xa10 [ 34.790215] __warn+0x1c4/0x1d9 [ 34.790408] ? dev_watchdog+0x821/0xa10 [ 34.790642] report_bug+0x211/0x2d0 [ 34.790858] fixup_bug+0x40/0x90 [ 34.791062] do_trap+0x260/0x390 [ 34.791265] do_error_trap+0x120/0x390 [ 34.791492] ? vprintk_emit+0x49b/0x590 [ 34.791746] ? do_trap+0x390/0x390 [ 34.791997] ? dev_watchdog+0x821/0xa10 [ 34.792301] ? vprintk_emit+0x3ea/0x590 [ 34.792639] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.793083] do_invalid_op+0x1b/0x20 [ 34.793424] invalid_op+0x18/0x20 [ 34.793714] RIP: 0010:dev_watchdog+0x821/0xa10 [ 34.794085] RSP: 0018:ffff88006df07678 EFLAGS: 00010286 [ 34.794551] RAX: 0000000000000039 RBX: ffff88003ad05640 RCX: 0000000000000000 [ 34.795151] RDX: 0000000000000039 RSI: 1ffff1000dbe0e8f RDI: ffffed000dbe0ec3 [ 34.795740] RBP: ffff88006df07778 R08: ffff88006df06d68 R09: 0000000000000000 [ 34.796388] R10: ffff88006dad4080 R11: 0000000000000000 R12: 0000000000000000 [ 34.797036] R13: dffffc0000000000 R14: ffff88003ad05b20 R15: ffff88003b23b000 [ 34.797544] ? dev_watchdog+0x821/0xa10 [ 34.797818] ? qdisc_rcu_free+0x110/0x110 [ 34.798107] ? __lock_is_held+0xbc/0x140 [ 34.798393] call_timer_fn+0x246/0x850 [ 34.798659] ? qdisc_rcu_free+0x110/0x110 [ 34.798947] ? __next_timer_interrupt+0x150/0x150 [ 34.799280] ? lock_downgrade+0x990/0x990 [ 34.799567] ? __run_timers+0x1ce/0xb90 [ 34.799888] ? do_raw_spin_trylock+0x190/0x190 [ 34.800325] ? __lock_is_held+0xbc/0x140 [ 34.800699] ? qdisc_rcu_free+0x110/0x110 [ 34.801080] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 34.801539] ? qdisc_rcu_free+0x110/0x110 [ 34.801918] __run_timers+0x7fd/0xb90 [ 34.802273] ? del_timer_sync+0x240/0x240 [ 34.802653] ? lock_acquire+0x1d5/0x580 [ 34.803012] ? __hrtimer_run_queues+0x385/0xe10 [ 34.803442] ? find_held_lock+0x39/0x1d0 [ 34.803766] ? lock_downgrade+0x990/0x990 [ 34.804077] ? lock_acquire+0x1d5/0x580 [ 34.804348] ? clockevents_program_event+0x163/0x2e0 [ 34.804699] ? rcu_pm_notify+0xc0/0xc0 [ 34.804973] run_timer_softirq+0x4c/0xb0 [ 34.805340] __do_softirq+0x2bb/0xbd0 [ 34.805680] ? ktime_get+0x26f/0x3a0 [ 34.805947] ? do_gettimeofday+0x190/0x190 [ 34.806319] ? __softirqentry_text_start+0x8/0x8 [ 34.806669] ? do_raw_spin_trylock+0x190/0x190 [ 34.807006] ? do_timer+0x50/0x50 [ 34.807267] ? do_raw_spin_trylock+0x190/0x190 [ 34.807694] ? native_apic_msr_write+0x5c/0x80 [ 34.808114] ? lock_release+0xcb0/0xd70 [ 34.808939] ? lapic_next_event+0x5a/0x90 [ 34.809346] ? clockevents_program_event+0x108/0x2e0 [ 34.809816] ? tick_program_event+0x7f/0xd0 [ 34.810210] ? hrtimer_interrupt+0x489/0x5f0 [ 34.810616] ? rcu_pm_notify+0xc0/0xc0 [ 34.810978] irq_exit+0x1d3/0x210 [ 34.811292] smp_apic_timer_interrupt+0x177/0x710 [ 34.811741] ? smp_reschedule_interrupt+0xf2/0x670 [ 34.812191] ? smp_call_function_single_interrupt+0x650/0x650 [ 34.812742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.813189] apic_timer_interrupt+0x9d/0xb0 [ 34.813581] [ 34.813788] RIP: 0010:native_safe_halt+0x6/0x10 [ 34.814210] RSP: 0018:ffff88006dadfdb0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 34.814902] RAX: dffffc0000000000 RBX: 1ffff1000db5bfb9 RCX: 0000000000000000 [ 34.815584] RDX: 1ffffffff0b59308 RSI: 0000000000000001 RDI: ffffffff85ac9840 [ 34.816238] RBP: ffff88006dadfdb0 R08: ffffffff857eaa78 R09: 0000000000000000 [ 34.816893] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85ac9830 [ 34.817400] R13: ffff88006dadfe68 R14: 0000000000000000 R15: ffff88006dad4080 [ 34.818065] default_idle+0xbf/0x460 [ 34.818406] ? __sched_text_end+0x4/0x4 [ 34.818781] arch_cpu_idle+0xa/0x10 [ 34.819112] default_idle_call+0x36/0x90 [ 34.819423] do_idle+0x256/0x3b0 [ 34.819703] cpu_startup_entry+0x18/0x20 [ 34.819997] start_secondary+0x277/0x310 [ 34.820292] secondary_startup_64+0xa5/0xa5 [ 34.820752] Dumping ftrace buffer: [ 34.821100] (ftrace buffer empty) [ 34.821389] Kernel Offset: disabled [ 34.821683] Rebooting in 86400 seconds..