2017/08/27 14:45:04 fuzzer started 2017/08/27 14:45:04 dialing manager at 10.0.2.10:34105 syzkaller login: [ 37.855076] NETDEV WATCHDOG: eth0 (e1000): transmit queue 0 timed out [ 37.855898] ------------[ cut here ]------------ [ 37.856326] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:320 dev_watchdog+0x821/0xa10 [ 37.857051] Kernel panic - not syncing: panic_on_warn set ... [ 37.857051] [ 37.857697] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.13.0-rc6-next-20170825+ #9 [ 37.858389] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 37.859106] Call Trace: [ 37.859345] [ 37.859553] dump_stack+0x194/0x257 [ 37.859884] ? arch_local_irq_restore+0x53/0x53 [ 37.860295] panic+0x1e4/0x41c [ 37.860585] ? refcount_error_report+0x214/0x214 [ 37.860989] ? show_regs_print_info+0x65/0x65 [ 37.861996] ? dev_watchdog+0x821/0xa10 [ 37.862406] __warn+0x1c4/0x1e0 [ 37.862754] ? dev_watchdog+0x821/0xa10 [ 37.863187] report_bug+0x211/0x2d0 [ 37.863564] fixup_bug+0x40/0x90 [ 37.863924] do_trap+0x260/0x390 [ 37.864284] do_error_trap+0x120/0x390 [ 37.864684] ? vprintk_emit+0x49b/0x590 [ 37.865107] ? do_trap+0x390/0x390 [ 37.865485] ? dev_watchdog+0x821/0xa10 [ 37.865899] ? vprintk_emit+0x3ea/0x590 [ 37.866322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.866830] do_invalid_op+0x1b/0x20 [ 37.867485] invalid_op+0x18/0x20 [ 37.868102] RIP: 0010:dev_watchdog+0x821/0xa10 [ 37.868898] RSP: 0018:ffff88003ec077b8 EFLAGS: 00010286 [ 37.869822] RAX: 0000000000000039 RBX: ffff88003b8a9c00 RCX: 0000000000000000 [ 37.873241] RDX: 0000000000000039 RSI: 1ffff10007d80eb7 RDI: ffffed0007d80eeb [ 37.874520] RBP: ffff88003ec078b8 R08: ffff88003ec06ea8 R09: 0000000000000000 [ 37.877991] R10: ffffffff85a2f3c0 R11: 0000000000000000 R12: 0000000000000000 [ 37.878721] R13: dffffc0000000000 R14: ffff88003b8aa0e0 R15: ffff88003bfd8cc0 [ 37.879448] ? dev_watchdog+0x821/0xa10 [ 37.879836] ? qdisc_rcu_free+0x110/0x110 [ 37.880275] ? __lock_is_held+0xbc/0x140 [ 37.887255] call_timer_fn+0x246/0x850 [ 37.887978] ? qdisc_rcu_free+0x110/0x110 [ 37.888670] ? init_timer_key+0x3b0/0x3b0 [ 37.889360] ? lock_downgrade+0x990/0x990 [ 37.890109] ? update_max_interval+0x60/0x60 [ 37.890966] ? __run_timers+0x1ce/0xb90 [ 37.892380] ? do_raw_spin_trylock+0x190/0x190 [ 37.892998] ? __lock_is_held+0xbc/0x140 [ 37.893434] ? qdisc_rcu_free+0x110/0x110 [ 37.893864] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 37.894380] ? qdisc_rcu_free+0x110/0x110 [ 37.894816] __run_timers+0x7fd/0xb90 [ 37.895229] ? msleep_interruptible+0x170/0x170 [ 37.895713] ? lock_acquire+0x1d5/0x580 [ 37.896129] ? __hrtimer_run_queues+0x385/0xe10 [ 37.896674] ? find_held_lock+0x39/0x1d0 [ 37.897107] ? lock_downgrade+0x990/0x990 [ 37.897537] ? lock_acquire+0x1d5/0x580 [ 37.897957] ? clockevents_program_event+0x163/0x2e0 [ 37.898492] ? pvclock_read_flags+0x160/0x160 [ 37.898963] ? rcu_pm_notify+0xc0/0xc0 [ 37.899365] run_timer_softirq+0x21/0x80 [ 37.899795] __do_softirq+0x2bb/0xbd0 [ 37.900207] ? __softirqentry_text_start+0x8/0x8 [ 37.900703] ? native_apic_msr_write+0x5c/0x80 [ 37.901172] ? lapic_next_event+0x5a/0x90 [ 37.901606] ? clockevents_program_event+0x108/0x2e0 [ 37.902140] ? tick_program_event+0x7f/0xd0 [ 37.902590] ? hrtimer_interrupt+0x489/0x5f0 [ 37.903067] irq_exit+0x1d3/0x210 [ 37.903432] smp_apic_timer_interrupt+0x76/0xa0 [ 37.908985] apic_timer_interrupt+0x9d/0xb0 [ 37.909490] [ 37.909720] RIP: 0010:native_safe_halt+0x6/0x10 [ 37.910229] RSP: 0018:ffffffff85a07ce0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 [ 37.911038] RAX: dffffc0000000000 RBX: 1ffffffff0b40f9f RCX: 0000000000000000 [ 37.922060] RDX: 1ffffffff0b59188 RSI: 0000000000000001 RDI: ffffffff85ac8c40 [ 37.922831] RBP: ffffffff85a07ce0 R08: ffffffff85804a80 R09: 0000000000000000 [ 37.923575] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85ac8c30 [ 37.924338] R13: ffffffff85a07d98 R14: 0000000000000000 R15: ffffffff85a2f3c0 [ 37.925700] default_idle+0xbf/0x460 [ 37.926458] ? __sched_text_end+0x4/0x4 [ 37.926920] arch_cpu_idle+0xa/0x10 [ 37.927736] default_idle_call+0x36/0x90 [ 37.928568] do_idle+0x256/0x3b0 [ 37.928934] cpu_startup_entry+0x18/0x20 [ 37.931292] rest_init+0xed/0xf0 [ 37.931690] start_kernel+0x787/0x7ad [ 37.932840] ? mem_encrypt_init+0xb/0xb [ 37.933377] ? memcpy_orig+0x54/0x110 [ 37.934535] ? early_idt_handler_array+0x120/0x120 [ 37.934991] x86_64_start_reservations+0x2a/0x2c [ 37.936514] x86_64_start_kernel+0x13c/0x149 [ 37.936992] secondary_startup_64+0xa5/0xa5 [ 37.937974] Dumping ftrace buffer: [ 37.938514] (ftrace buffer empty) [ 37.938908] Kernel Offset: disabled [ 37.943786] Rebooting in 86400 seconds..