INIT: Id "2" respawning too fast: disabled for 5 minutes

INIT: Id "3" respawning too fast: disabled for 5 minutes

INIT: Id "1" respawning too fast: disabled for 5 minutes

INIT: Id "5" respawning too fast: disabled for 5 minutes

INIT: Id "6" respawning too fast: disabled for 5 minutes
Warning: Permanently added '10.128.0.51' (ECDSA) to the list of known hosts.
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INIT: Id "3" respawning too fast: disabled for 5 minutes

INIT: Id "6" respawning too fast: disabled for 5 minutes

INIT: Id "1" respawning too fast: disabled for 5 minutes

INIT: Id "2" respawning too fast: disabled for 5 minutes

INIT: Id "4" respawning too fast: disabled for 5 minutes

INIT: Id "5" respawning too fast: disabled for 5 minutes
[  602.409989] INFO: task syz-executor160:3883 blocked for more than 120 seconds.
[  602.417379]       Not tainted 4.4.137-ga2e2217 #61
[  602.422434] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  602.430402] syz-executor160 D ffff8801d8257a80 27392  3883   3881 0x00000000
[  602.437930]  ffff8801d8257a80 0000000000000246 0000000000000296 0000000041b58ab3
[  602.445975]  ffffffff841e1a00 ffff8801db31fdb8 ffff8801db31fde0 ffff8801db31f4d8
[  602.453984]  ffff8801db31f4c0 ffff8801d8bcc800 ffff8801d8bce000 0000000000000000
[  602.462011] Call Trace:
[  602.464738]  [<ffffffff838b489a>] schedule+0x7a/0x1b0
[  602.470010]  [<ffffffff81da1920>] blk_mq_freeze_queue_wait+0x120/0x240
[  602.476677]  [<ffffffff81da1800>] ? blk_mq_tags_cpumask+0x20/0x20
[  602.482946]  [<ffffffff81e584df>] ? percpu_ref_kill_and_confirm+0xff/0x300
[  602.489989]  [<ffffffff8121b370>] ? prepare_to_wait_event+0x430/0x430
[  602.496543]  [<ffffffff81daa01d>] blk_mq_freeze_queue+0x1d/0x20
[  602.502626]  [<ffffffff8251c3a2>] lo_ioctl+0x722/0x1ad0
[  602.507979]  [<ffffffff8251bc80>] ? loop_probe+0x180/0x180
[  602.513615]  [<ffffffff81db8068>] blkdev_ioctl+0x7b8/0x19c0
[  602.519306]  [<ffffffff81db78b0>] ? blkpg_ioctl+0x900/0x900
[  602.525030]  [<ffffffff838c1e7a>] ? _raw_spin_unlock_irqrestore+0x5a/0x70
[  602.532000]  [<ffffffff8122e8bb>] ? trace_hardirqs_on_caller+0x38b/0x590
[  602.538826]  [<ffffffff838c1e65>] ? _raw_spin_unlock_irqrestore+0x45/0x70
[  602.545780]  [<ffffffff81e71b3c>] ? debug_check_no_obj_freed+0x2ec/0x940
[  602.552690]  [<ffffffff814f9caa>] ? quarantine_put+0xda/0x180
[  602.558556]  [<ffffffff8122e8bb>] ? trace_hardirqs_on_caller+0x38b/0x590
[  602.565612]  [<ffffffff81e6e99b>] ? check_preemption_disabled+0x3b/0x170
[  602.572488]  [<ffffffff815d3fce>] block_ioctl+0xde/0x120
[  602.577929]  [<ffffffff815d3ef0>] ? blkdev_read_iter+0x170/0x170
[  602.584150]  [<ffffffff81559c8f>] do_vfs_ioctl+0x63f/0xf40
[  602.589764]  [<ffffffff814f6584>] ? kmem_cache_free+0x2b4/0x340
[  602.595868]  [<ffffffff81559650>] ? ioctl_preallocate+0x1f0/0x1f0
[  602.602106]  [<ffffffff8154fb40>] ? putname+0xe0/0x110
[  602.607360]  [<ffffffff8151b97c>] ? do_sys_open+0x21c/0x610
[  602.613084]  [<ffffffff8151b760>] ? filp_open+0x70/0x70
[  602.618475]  [<ffffffff81c4dd9f>] ? security_file_ioctl+0x8f/0xc0
[  602.624721]  [<ffffffff8155a61f>] SyS_ioctl+0x8f/0xc0
[  602.629921]  [<ffffffff838c28e5>] entry_SYSCALL_64_fastpath+0x22/0x9e
[  602.636585] 1 lock held by syz-executor160/3883:
[  602.641384]  #0:  (&lo->lo_ctl_mutex/1){+.+.+.}, at: [<ffffffff8251bd0b>] lo_ioctl+0x8b/0x1ad0
[  602.650968] Sending NMI to all CPUs:
[  602.656037] NMI backtrace for cpu 0
[  602.659652] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.137-ga2e2217 #61
[  602.666696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  602.676228] task: ffffffff84417840 task.stack: ffffffff84400000
[  602.682392] RIP: 0010:[<ffffffff810cc306>]  [<ffffffff810cc306>] native_safe_halt+0x6/0x10
[  602.690795] RSP: 0018:ffffffff84407dc8  EFLAGS: 00000246
[  602.696217] RAX: 0000000000000007 RBX: ffffffff84a05fa8 RCX: 0000000000000000
[  602.703488] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff8441811c
[  602.710748] RBP: ffffffff84407dc8 R08: 0000000000000000 R09: 0000000000000000
[  602.717994] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  602.725294] R13: 0000000000000000 R14: fffffbfff074890c R15: ffffffff84a05fa8
[  602.732551] FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[  602.740788] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  602.746658] CR2: 0000000000b0f000 CR3: 00000000adc9f000 CR4: 00000000001606f0
[  602.753931] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  602.761203] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  602.768454] Stack:
[  602.770597]  ffffffff84407e00 ffffffff81025da5 ffffffff84408000 0000000000000000
[  602.778102]  0000000000000000 fffffbfff074890c ffffffff84a05fa8 ffffffff84407e10
[  602.785625]  ffffffff810272f0 ffffffff84407e28 ffffffff8121bc07 dffffc0000000000
[  602.793142] Call Trace:
[  602.795710]  [<ffffffff81025da5>] default_idle+0x55/0x3c0
[  602.801235]  [<ffffffff810272f0>] arch_cpu_idle+0x10/0x20
[  602.806788]  [<ffffffff8121bc07>] default_idle_call+0x57/0x70
[  602.812667]  [<ffffffff8121c3af>] cpu_startup_entry+0x6af/0x780
[  602.818786]  [<ffffffff8121bd00>] ? call_cpuidle+0xe0/0xe0
[  602.824399]  [<ffffffff838afa01>] rest_init+0x188/0x18e
[  602.829738]  [<ffffffff84a4b8a1>] start_kernel+0x6b3/0x6e7
[  602.835357]  [<ffffffff84a4b1ee>] ? thread_stack_cache_init+0xb/0xb
[  602.841750]  [<ffffffff84a4a120>] ? early_idt_handler_array+0x120/0x120
[  602.848482]  [<ffffffff84a4a120>] ? early_idt_handler_array+0x120/0x120
[  602.855270]  [<ffffffff84a4a30f>] x86_64_start_reservations+0x29/0x2b
[  602.861973]  [<ffffffff84a4a450>] x86_64_start_kernel+0x13f/0x162
[  602.868279] Code: 00 00 00 00 00 55 48 89 e5 fa 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 66 0f 1f 84 
[  602.887470] NMI backtrace for cpu 1
[  602.891104] CPU: 1 PID: 491 Comm: khungtaskd Not tainted 4.4.137-ga2e2217 #61
[  602.898348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  602.907705] task: ffff8800bbbc6000 task.stack: ffff8801d8ca8000
[  602.913748] RIP: 0010:[<ffffffff810bfeb6>]  [<ffffffff810bfeb6>] flat_send_IPI_mask+0xf6/0x1a0
[  602.922511] RSP: 0018:ffff8801d8cafcc8  EFLAGS: 00000046
[  602.927944] RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000
[  602.935237] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300
[  602.942505] RBP: ffff8801d8cafcf0 R08: 0000000000000001 R09: 0000000000000000
[  602.949919] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246
[  602.957182] R13: 0000000000000003 R14: 0000000000000002 R15: ffffffff8446f7a0
[  602.964632] FS:  0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[  602.972998] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  602.978875] CR2: 00007fc279559000 CR3: 00000000adc9f000 CR4: 00000000001606f0
[  602.986164] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  602.993427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  603.000692] Stack:
[  603.002816]  ffffffff8446f7a0 ffffffff84a18ee0 0000000000000007 fffffbfff0942c8c
[  603.010343]  0000000000000040 ffff8801d8cafd10 ffffffff810b5e71 ffffffff83c0b560
[  603.017850]  0000000000000003 ffff8801d8cafd68 ffffffff81e19e83 ffffffff8140dd6f
[  603.025385] Call Trace:
[  603.027943]  [<ffffffff810b5e71>] nmi_raise_cpu_backtrace+0x61/0x80
[  603.034337]  [<ffffffff81e19e83>] nmi_trigger_all_cpu_backtrace.cold.4+0x70/0xad
[  603.041877]  [<ffffffff8140dd6f>] ? print_lock+0x9f/0xa2
[  603.047300]  [<ffffffff810b5e10>] ? irq_force_complete_move+0x350/0x350
[  603.054045]  [<ffffffff810b5f14>] arch_trigger_all_cpu_backtrace+0x14/0x20
[  603.061563]  [<ffffffff8141a459>] watchdog.cold.1+0xd3/0xee
[  603.067330]  [<ffffffff81358e40>] ? watchdog+0xb0/0x9a0
[  603.072738]  [<ffffffff81190958>] kthread+0x268/0x300
[  603.077914]  [<ffffffff81358d90>] ? reset_hung_task_detector+0x20/0x20
[  603.084628]  [<ffffffff811906f0>] ? kthread_create_on_node+0x400/0x400
[  603.091317]  [<ffffffff811906f0>] ? kthread_create_on_node+0x400/0x400
[  603.097958]  [<ffffffff838c2d15>] ret_from_fork+0x55/0x80
[  603.103512]  [<ffffffff811906f0>] ? kthread_create_on_node+0x400/0x400
[  603.110177] Code: b3 5f ff f6 c4 10 75 e2 44 89 e8 c1 e0 18 89 04 25 10 b3 5f ff 44 89 f2 09 da 80 cf 04 41 83 fe 02 0f 44 d3 89 14 25 00 b3 5f ff <41> f7 c4 00 02 00 00 75 1a 4c 89 e7 57 9d 0f 1f 44 00 00 e8 72 
[  603.129394] Kernel panic - not syncing: hung_task: blocked tasks
[  603.135529] CPU: 1 PID: 491 Comm: khungtaskd Not tainted 4.4.137-ga2e2217 #61
[  603.143606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  603.152938]  0000000000000000 53dda48a6b9558c9 ffff8801d8cafcb8 ffffffff81e0ee0d
[  603.160933]  ffffffff83a837e0 0000000000000003 7fffffffffffffff 00000000003fff91
[  603.168915]  dffffc0000000000 ffff8801d8cafd78 ffffffff8140a184 0000000041b58ab3
[  603.176916] Call Trace:
[  603.179485]  [<ffffffff81e0ee0d>] dump_stack+0xc1/0x124
[  603.184841]  [<ffffffff8140a184>] panic+0x19e/0x38d
[  603.189832]  [<ffffffff81409fe6>] ? add_taint.cold.4+0x16/0x16
[  603.195782]  [<ffffffff81e19d06>] ? nmi_trigger_all_cpu_backtrace+0x3e6/0x488
[  603.203029]  [<ffffffff81e19cb5>] ? nmi_trigger_all_cpu_backtrace+0x395/0x488
[  603.210275]  [<ffffffff81e19cb5>] ? nmi_trigger_all_cpu_backtrace+0x395/0x488
[  603.217525]  [<ffffffff8141a46a>] watchdog.cold.1+0xe4/0xee
[  603.223223]  [<ffffffff81358e40>] ? watchdog+0xb0/0x9a0
[  603.228912]  [<ffffffff81190958>] kthread+0x268/0x300
[  603.234076]  [<ffffffff81358d90>] ? reset_hung_task_detector+0x20/0x20
[  603.240726]  [<ffffffff811906f0>] ? kthread_create_on_node+0x400/0x400
[  603.247365]  [<ffffffff811906f0>] ? kthread_create_on_node+0x400/0x400
[  603.254004]  [<ffffffff838c2d15>] ret_from_fork+0x55/0x80
[  603.259519]  [<ffffffff811906f0>] ? kthread_create_on_node+0x400/0x400
[  603.266787] Dumping ftrace buffer:
[  603.270374]    (ftrace buffer empty)
[  603.274060] Kernel Offset: disabled
[  603.277674] Rebooting in 86400 seconds..