2017/08/23 06:12:47 fuzzer started 2017/08/23 06:12:47 dialing manager at 10.0.2.10:34489 syzkaller login: [ 36.063046] watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [swapper/1:0] [ 36.064402] Modules linked in: [ 36.064971] irq event stamp: 22001471 [ 36.065376] hardirqs last enabled at (22001470): [] _raw_spin_unlock_irq+0x27/0x70 [ 36.066333] hardirqs last disabled at (22001471): [] apic_timer_interrupt+0x98/0xb0 [ 36.067803] softirqs last enabled at (104480): [] _local_bh_enable+0x1c/0x30 [ 36.068692] softirqs last disabled at (104481): [] irq_exit+0x1d3/0x210 [ 36.069540] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.13.0-rc6-next-20170822+ #6 [ 36.070327] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 36.071166] task: ffff88003e04e340 task.stack: ffff88003e050000 [ 36.071783] RIP: 0010:_raw_spin_unlock_irq+0x56/0x70 [ 36.072302] RSP: 0018:ffff88003ed077a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 36.073086] RAX: dffffc0000000000 RBX: ffff88003ed25200 RCX: 0000000000000002 [ 36.073823] RDX: 1ffffffff0b5915f RSI: 1ffff10007c09d7f RDI: ffffffff85ac8af8 [ 36.074558] RBP: ffff88003ed077a8 R08: ffff88003ed06e20 R09: 0000000000000000 [ 36.075303] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88003ed07850 [ 36.076047] R13: ffff88003ed2526c R14: ffff88003eb76400 R15: dffffc0000000000 [ 36.076779] FS: 0000000000000000(0000) GS:ffff88003ed00000(0000) knlGS:0000000000000000 [ 36.077601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.078034] watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [swapper/3:0] [ 36.078037] Modules linked in: [ 36.078044] irq event stamp: 23026761 [ 36.078051] hardirqs last enabled at (23026760): [] _raw_spin_unlock_irq+0x27/0x70 [ 36.078058] hardirqs last disabled at (23026761): [] apic_timer_interrupt+0x98/0xb0 [ 36.078065] softirqs last enabled at (96788): [] _local_bh_enable+0x1c/0x30 [ 36.078072] softirqs last disabled at (96789): [] irq_exit+0x1d3/0x210 [ 36.078078] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.13.0-rc6-next-20170822+ #6 [ 36.078082] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 36.078086] task: ffff88006dad4080 task.stack: ffff88006dad8000 [ 36.078093] RIP: 0010:_raw_spin_unlock_irq+0x56/0x70 [ 36.078097] RSP: 0018:ffff88006df077a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 36.078105] RAX: dffffc0000000000 RBX: ffff88006df25200 RCX: 0000000000000002 [ 36.078110] RDX: 1ffffffff0b5915f RSI: 1ffff1000db5a927 RDI: ffffffff85ac8af8 [ 36.078115] RBP: ffff88006df077a8 R08: ffff88006df06e20 R09: 0000000000000000 [ 36.078119] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88006df07850 [ 36.078124] R13: ffff88006df2526c R14: ffff88006da83000 R15: dffffc0000000000 [ 36.078130] FS: 0000000000000000(0000) GS:ffff88006df00000(0000) knlGS:0000000000000000 [ 36.078134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.078139] CR2: 00007f22c939c1b0 CR3: 0000000069cb7000 CR4: 00000000000006e0 [ 36.078146] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.078150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.078154] Call Trace: [ 36.078158] [ 36.078168] idle_worker_timeout+0x2e3/0x400 [ 36.078175] ? ktime_get_resolution_ns+0x300/0x300 [ 36.078190] ? destroy_worker+0x580/0x580 [ 36.078201] ? __lock_is_held+0xbc/0x140 [ 36.078225] call_timer_fn+0x246/0x850 [ 36.078235] ? destroy_worker+0x580/0x580 [ 36.078243] ? init_timer_key+0x3b0/0x3b0 [ 36.078250] ? lock_downgrade+0x990/0x990 [ 36.078267] ? __run_timers+0x809/0xb90 [ 36.078277] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.078290] ? do_raw_spin_trylock+0x190/0x190 [ 36.078303] ? __lock_is_held+0xbc/0x140 [ 36.078316] ? destroy_worker+0x580/0x580 [ 36.078325] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 36.078336] ? destroy_worker+0x580/0x580 [ 36.078344] __run_timers+0x7fd/0xb90 [ 36.078366] ? msleep_interruptible+0x170/0x170 [ 36.078373] ? lock_acquire+0x1d5/0x580 [ 36.078380] ? __hrtimer_run_queues+0x385/0xe10 [ 36.078395] ? find_held_lock+0x39/0x1d0 [ 36.078418] ? lock_downgrade+0x990/0x990 [ 36.078434] ? lock_acquire+0x1d5/0x580 [ 36.078442] ? clockevents_program_event+0x163/0x2e0 [ 36.078466] ? pvclock_read_flags+0x160/0x160 [ 36.078475] ? rcu_pm_notify+0xc0/0xc0 [ 36.078496] run_timer_softirq+0x67/0x80 [ 36.078504] __do_softirq+0x2bb/0xbd0 [ 36.078525] ? __softirqentry_text_start+0x8/0x8 [ 36.078534] ? native_apic_msr_write+0x5c/0x80 [ 36.078544] ? lapic_next_event+0x5a/0x90 [ 36.078554] ? clockevents_program_event+0x108/0x2e0 [ 36.078567] ? tick_program_event+0x7f/0xd0 [ 36.078577] ? hrtimer_interrupt+0x489/0x5f0 [ 36.078607] irq_exit+0x1d3/0x210 [ 36.078616] smp_apic_timer_interrupt+0x76/0xa0 [ 36.078625] apic_timer_interrupt+0x9d/0xb0 [ 36.078630] [ 36.078636] RIP: 0010:native_safe_halt+0x6/0x10 [ 36.078640] RSP: 0018:ffff88006dadfdb0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 36.078649] RAX: dffffc0000000000 RBX: 1ffff1000db5bfb9 RCX: 0000000000000000 [ 36.078653] RDX: 1ffffffff0b59160 RSI: 0000000000000001 RDI: ffffffff85ac8b00 [ 36.078658] RBP: ffff88006dadfdb0 R08: ffffffff85804a98 R09: 0000000000000000 [ 36.078662] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85ac8af0 [ 36.078667] R13: ffff88006dadfe68 R14: 0000000000000000 R15: ffff88006dad4080 [ 36.078695] default_idle+0xbf/0x460 [ 36.078704] ? __sched_text_end+0x4/0x4 [ 36.078724] ? tick_nohz_idle_enter+0xde/0x160 [ 36.078739] arch_cpu_idle+0xa/0x10 [ 36.078746] default_idle_call+0x36/0x90 [ 36.078754] do_idle+0x256/0x3b0 [ 36.078768] cpu_startup_entry+0x18/0x20 [ 36.078776] start_secondary+0x277/0x310 [ 36.078787] secondary_startup_64+0xa5/0xa5 [ 36.078812] Code: 8a ac 85 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 1d 48 83 3d 0b 10 d3 00 00 74 11 fb 66 0f 1f 44 00 00 <65> ff 0d d3 e9 27 7b 5b 5d c3 0f 0b e8 b9 c8 c8 fc eb dc 0f 1f [ 36.079029] Kernel panic - not syncing: softlockup: hung tasks [ 36.079036] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G L 4.13.0-rc6-next-20170822+ #6 [ 36.079040] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 36.079043] Call Trace: [ 36.079047] [ 36.079054] dump_stack+0x194/0x257 [ 36.079066] ? arch_local_irq_restore+0x53/0x53 [ 36.079071] ? vprintk_default+0x28/0x30 [ 36.079080] ? vprintk_func+0x5e/0xc0 [ 36.079097] panic+0x1e4/0x41c [ 36.079105] ? refcount_error_report+0x214/0x214 [ 36.079133] watchdog_timer_fn+0x401/0x410 [ 36.079144] ? watchdog_park_threads+0x240/0x240 [ 36.079166] __hrtimer_run_queues+0x349/0xe10 [ 36.079179] ? watchdog_park_threads+0x240/0x240 [ 36.079192] ? hrtimer_cancel+0x40/0x40 [ 36.079208] ? pvclock_read_flags+0x160/0x160 [ 36.079230] ? kvm_clock_get_cycles+0x25/0x30 [ 36.079238] ? ktime_get_update_offsets_now+0x34a/0x520 [ 36.079253] ? do_timer+0x50/0x50 [ 36.079265] ? trace_hardirqs_off+0xd/0x10 [ 36.079288] hrtimer_interrupt+0x1d4/0x5f0 [ 36.079317] local_apic_timer_interrupt+0x6b/0xa0 [ 36.079326] smp_apic_timer_interrupt+0x71/0xa0 [ 36.079336] apic_timer_interrupt+0x9d/0xb0 [ 36.079342] RIP: 0010:_raw_spin_unlock_irq+0x56/0x70 [ 36.079346] RSP: 0018:ffff88006df077a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 36.079355] RAX: dffffc0000000000 RBX: ffff88006df25200 RCX: 0000000000000002 [ 36.079359] RDX: 1ffffffff0b5915f RSI: 1ffff1000db5a927 RDI: ffffffff85ac8af8 [ 36.079364] RBP: ffff88006df077a8 R08: ffff88006df06e20 R09: 0000000000000000 [ 36.079369] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88006df07850 [ 36.079373] R13: ffff88006df2526c R14: ffff88006da83000 R15: dffffc0000000000 [ 36.079403] idle_worker_timeout+0x2e3/0x400 [ 36.079410] ? ktime_get_resolution_ns+0x300/0x300 [ 36.079424] ? destroy_worker+0x580/0x580 [ 36.079435] ? __lock_is_held+0xbc/0x140 [ 36.079459] call_timer_fn+0x246/0x850 [ 36.079469] ? destroy_worker+0x580/0x580 [ 36.079477] ? init_timer_key+0x3b0/0x3b0 [ 36.079483] ? lock_downgrade+0x990/0x990 [ 36.079500] ? __run_timers+0x809/0xb90 [ 36.079509] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.079522] ? do_raw_spin_trylock+0x190/0x190 [ 36.079536] ? __lock_is_held+0xbc/0x140 [ 36.079548] ? destroy_worker+0x580/0x580 [ 36.079557] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 36.079568] ? destroy_worker+0x580/0x580 [ 36.079576] __run_timers+0x7fd/0xb90 [ 36.079597] ? msleep_interruptible+0x170/0x170 [ 36.079604] ? lock_acquire+0x1d5/0x580 [ 36.079612] ? __hrtimer_run_queues+0x385/0xe10 [ 36.079627] ? find_held_lock+0x39/0x1d0 [ 36.079648] ? lock_downgrade+0x990/0x990 [ 36.079664] ? lock_acquire+0x1d5/0x580 [ 36.079672] ? clockevents_program_event+0x163/0x2e0 [ 36.079695] ? pvclock_read_flags+0x160/0x160 [ 36.079703] ? rcu_pm_notify+0xc0/0xc0 [ 36.079724] run_timer_softirq+0x67/0x80 [ 36.079732] __do_softirq+0x2bb/0xbd0 [ 36.079753] ? __softirqentry_text_start+0x8/0x8 [ 36.079761] ? native_apic_msr_write+0x5c/0x80 [ 36.079770] ? lapic_next_event+0x5a/0x90 [ 36.079780] ? clockevents_program_event+0x108/0x2e0 [ 36.079792] ? tick_program_event+0x7f/0xd0 [ 36.079803] ? hrtimer_interrupt+0x489/0x5f0 [ 36.079833] irq_exit+0x1d3/0x210 [ 36.079840] smp_apic_timer_interrupt+0x76/0xa0 [ 36.079850] apic_timer_interrupt+0x9d/0xb0 [ 36.079855] [ 36.079861] RIP: 0010:native_safe_halt+0x6/0x10 [ 36.079865] RSP: 0018:ffff88006dadfdb0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 36.079873] RAX: dffffc0000000000 RBX: 1ffff1000db5bfb9 RCX: 0000000000000000 [ 36.079878] RDX: 1ffffffff0b59160 RSI: 0000000000000001 RDI: ffffffff85ac8b00 [ 36.079883] RBP: ffff88006dadfdb0 R08: ffffffff85804a98 R09: 0000000000000000 [ 36.079887] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85ac8af0 [ 36.079892] R13: ffff88006dadfe68 R14: 0000000000000000 R15: ffff88006dad4080 [ 36.079919] default_idle+0xbf/0x460 [ 36.079928] ? __sched_text_end+0x4/0x4 [ 36.079948] ? tick_nohz_idle_enter+0xde/0x160 [ 36.079962] arch_cpu_idle+0xa/0x10 [ 36.079969] default_idle_call+0x36/0x90 [ 36.079977] do_idle+0x256/0x3b0 [ 36.079990] cpu_startup_entry+0x18/0x20 [ 36.079999] start_secondary+0x277/0x310 [ 36.080010] secondary_startup_64+0xa5/0xa5 [ 36.145376] CR2: 00007f220fca41b0 CR3: 000000003d54e000 CR4: 00000000000006e0 [ 36.145955] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.146540] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.147119] Call Trace: [ 36.147331] [ 36.147514] idle_worker_timeout+0x2e3/0x400 [ 36.147869] ? ktime_get_resolution_ns+0x300/0x300 [ 36.148273] ? destroy_worker+0x580/0x580 [ 36.148614] ? __lock_is_held+0xbc/0x140 [ 36.148956] call_timer_fn+0x246/0x850 [ 36.149276] ? destroy_worker+0x580/0x580 [ 36.149617] ? init_timer_key+0x3b0/0x3b0 [ 36.149949] ? lock_downgrade+0x990/0x990 [ 36.150294] ? __run_timers+0x809/0xb90 [ 36.150620] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 36.151013] ? do_raw_spin_trylock+0x190/0x190 [ 36.151388] ? __lock_is_held+0xbc/0x140 [ 36.151721] ? destroy_worker+0x580/0x580 [ 36.152060] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 36.152455] ? destroy_worker+0x580/0x580 [ 36.152747] __run_timers+0x7fd/0xb90 [ 36.153028] ? msleep_interruptible+0x170/0x170 [ 36.153354] ? lock_acquire+0x1d5/0x580 [ 36.153634] ? __hrtimer_run_queues+0x385/0xe10 [ 36.154230] ? find_held_lock+0x39/0x1d0 [ 36.154568] ? lock_downgrade+0x990/0x990 [ 36.154908] ? lock_acquire+0x1d5/0x580 [ 36.155236] ? clockevents_program_event+0x163/0x2e0 [ 36.155662] ? pvclock_read_flags+0x160/0x160 [ 36.156029] ? rcu_pm_notify+0xc0/0xc0 [ 36.156355] run_timer_softirq+0x67/0x80 [ 36.156686] __do_softirq+0x2bb/0xbd0 [ 36.157006] ? __softirqentry_text_start+0x8/0x8 [ 36.157390] ? native_apic_msr_write+0x5c/0x80 [ 36.157767] ? lapic_next_event+0x5a/0x90 [ 36.158203] ? clockevents_program_event+0x108/0x2e0 [ 36.158892] ? tick_program_event+0x7f/0xd0 [ 36.159480] ? hrtimer_interrupt+0x489/0x5f0 [ 36.160084] irq_exit+0x1d3/0x210 [ 36.160546] smp_apic_timer_interrupt+0x76/0xa0 [ 36.161176] apic_timer_interrupt+0x9d/0xb0 [ 36.161748] [ 36.162053] RIP: 0010:native_safe_halt+0x6/0x10 [ 36.162677] RSP: 0018:ffff88003e057db0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 [ 36.163714] RAX: dffffc0000000000 RBX: 1ffff10007c0afb9 RCX: 0000000000000000 [ 36.164682] RDX: 1ffffffff0b59160 RSI: 0000000000000001 RDI: ffffffff85ac8b00 [ 36.165650] RBP: ffff88003e057db0 R08: ffffffff85804a88 R09: 0000000000000000 [ 36.166616] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85ac8af0 [ 36.167590] R13: ffff88003e057e68 R14: 0000000000000000 R15: ffff88003e04e340 [ 36.168575] default_idle+0xbf/0x460 [ 36.169078] ? __sched_text_end+0x4/0x4 [ 36.169627] arch_cpu_idle+0xa/0x10 [ 36.170114] default_idle_call+0x36/0x90 [ 36.170444] do_idle+0x256/0x3b0 [ 36.170723] cpu_startup_entry+0x18/0x20 [ 36.171060] start_secondary+0x277/0x310 [ 36.171394] secondary_startup_64+0xa5/0xa5 [ 36.171770] Code: 8a ac 85 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 1d 48 83 3d 0b 10 d3 00 00 74 11 fb 66 0f 1f 44 00 00 <65> ff 0d d3 e9 27 7b 5b 5d c3 0f 0b e8 b9 c8 c8 fc eb dc 0f 1f [ 37.123506] Shutting down cpus with NMI [ 37.123889] Dumping ftrace buffer: [ 37.124194] (ftrace buffer empty) [ 37.124446] Kernel Offset: disabled [ 37.124701] Rebooting in 86400 seconds..