2017/08/27 12:48:52 fuzzer started 2017/08/27 12:48:52 dialing manager at 10.0.2.10:34105 syzkaller login: [ 35.807102] NETDEV WATCHDOG: eth0 (e1000): transmit queue 0 timed out [ 35.807943] ------------[ cut here ]------------ [ 35.808420] WARNING: CPU: 3 PID: 0 at net/sched/sch_generic.c:320 dev_watchdog+0x821/0xa10 [ 35.809229] Kernel panic - not syncing: panic_on_warn set ... [ 35.809229] [ 35.809935] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 35.810693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 35.811849] Call Trace: [ 35.812154] [ 35.812415] dump_stack+0x194/0x257 [ 35.812851] ? arch_local_irq_restore+0x53/0x53 [ 35.813423] panic+0x1e4/0x41c [ 35.813804] ? refcount_error_report+0x214/0x214 [ 35.814334] ? show_regs_print_info+0x65/0x65 [ 35.814878] ? dev_watchdog+0x821/0xa10 [ 35.815338] __warn+0x1c4/0x1e0 [ 35.815720] ? dev_watchdog+0x821/0xa10 [ 35.816184] report_bug+0x211/0x2d0 [ 35.816618] fixup_bug+0x40/0x90 [ 35.817050] do_trap+0x260/0x390 [ 35.817453] do_error_trap+0x120/0x390 [ 35.817920] ? vprintk_emit+0x49b/0x590 [ 35.818377] ? do_trap+0x390/0x390 [ 35.819897] ? dev_watchdog+0x821/0xa10 [ 35.820826] ? vprintk_emit+0x3ea/0x590 [ 35.822154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.823315] do_invalid_op+0x1b/0x20 [ 35.824242] invalid_op+0x18/0x20 [ 35.825086] RIP: 0010:dev_watchdog+0x821/0xa10 [ 35.826156] RSP: 0018:ffff88006df077b8 EFLAGS: 00010286 [ 35.827416] RAX: 0000000000000039 RBX: ffff88006b2156c0 RCX: 0000000000000000 [ 35.829138] RDX: 0000000000000039 RSI: 1ffff1000dbe0eb7 RDI: ffffed000dbe0eeb [ 35.830858] RBP: ffff88006df078b8 R08: ffff88006df06ea8 R09: 0000000000000000 [ 35.832562] R10: ffff88006dad4080 R11: 0000000000000000 R12: 0000000000000000 [ 35.834255] R13: dffffc0000000000 R14: ffff88006b215ba0 R15: ffff88006b03b540 [ 35.836020] ? dev_watchdog+0x821/0xa10 [ 35.837031] ? qdisc_rcu_free+0x110/0x110 [ 35.838031] ? __lock_is_held+0xbc/0x140 [ 35.839047] call_timer_fn+0x246/0x850 [ 35.841656] ? qdisc_rcu_free+0x110/0x110 [ 35.842620] ? init_timer_key+0x3b0/0x3b0 [ 35.843655] ? lock_downgrade+0x990/0x990 [ 35.844536] ? update_max_interval+0x60/0x60 [ 35.845530] ? __run_timers+0x1ce/0xb90 [ 35.846394] ? do_raw_spin_trylock+0x190/0x190 [ 35.847421] ? __lock_is_held+0xbc/0x140 [ 35.848297] ? qdisc_rcu_free+0x110/0x110 [ 35.849187] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 35.850263] ? qdisc_rcu_free+0x110/0x110 [ 35.851146] __run_timers+0x7fd/0xb90 [ 35.851971] ? msleep_interruptible+0x170/0x170 [ 35.852967] ? lock_acquire+0x1d5/0x580 [ 35.853845] ? __hrtimer_run_queues+0x385/0xe10 [ 35.854890] ? find_held_lock+0x39/0x1d0 [ 35.855809] ? lock_downgrade+0x990/0x990 [ 35.856732] ? lock_acquire+0x1d5/0x580 [ 35.857609] ? clockevents_program_event+0x163/0x2e0 [ 35.858770] ? pvclock_read_flags+0x160/0x160 [ 35.859810] ? rcu_pm_notify+0xc0/0xc0 [ 35.860703] run_timer_softirq+0x21/0x80 [ 35.862032] __do_softirq+0x2bb/0xbd0 [ 35.863200] ? __softirqentry_text_start+0x8/0x8 [ 35.864267] ? native_apic_msr_write+0x5c/0x80 [ 35.865314] ? lapic_next_event+0x5a/0x90 [ 35.866231] ? clockevents_program_event+0x108/0x2e0 [ 35.867365] ? tick_program_event+0x7f/0xd0 [ 35.868339] ? hrtimer_interrupt+0x489/0x5f0 [ 35.869350] irq_exit+0x1d3/0x210 [ 35.870119] smp_apic_timer_interrupt+0x76/0xa0 [ 35.871152] apic_timer_interrupt+0x9d/0xb0 [ 35.872103] [ 35.872608] RIP: 0010:native_safe_halt+0x6/0x10 [ 35.873639] RSP: 0018:ffff88006dadfdb0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 [ 35.875335] RAX: dffffc0000000000 RBX: 1ffff1000db5bfb9 RCX: 0000000000000000 [ 35.876938] RDX: 1ffffffff0b59188 RSI: 0000000000000001 RDI: ffffffff85ac8c40 [ 35.878539] RBP: ffff88006dadfdb0 R08: ffffffff85804a98 R09: 0000000000000000 [ 35.880140] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85ac8c30 [ 35.881754] R13: ffff88006dadfe68 R14: 0000000000000000 R15: ffff88006dad4080 [ 35.883373] default_idle+0xbf/0x460 [ 35.884467] ? __sched_text_end+0x4/0x4 [ 35.885384] ? tick_nohz_idle_enter+0xde/0x160 [ 35.886408] arch_cpu_idle+0xa/0x10 [ 35.887180] default_idle_call+0x36/0x90 [ 35.888033] do_idle+0x256/0x3b0 [ 35.888752] cpu_startup_entry+0x18/0x20 [ 35.889671] start_secondary+0x277/0x310 [ 35.890538] secondary_startup_64+0xa5/0xa5 [ 35.891695] Dumping ftrace buffer: [ 35.892589] (ftrace buffer empty) [ 35.893661] Kernel Offset: disabled [ 35.894398] Rebooting in 86400 seconds..