INIT: Id "5" 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
Warning: Permanently added '10.128.0.47' (ECDSA) to the list of known hosts.
executing program
executing program
[  842.613807] INFO: task syz-executor221:3823 blocked for more than 140 seconds.
[  842.621276]       Not tainted 4.4.139-g7ba5557 #66
[  842.626427] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  842.634500] syz-executor221 D ffff8801d850fa80 27392  3823   3821 0x00000000
[  842.641954]  ffff8801d850fa80 0000000000000246 0000000000000296 0000000041b58ab3
[  842.650002]  ffffffff841e1500 ffff8801db31fdb8 ffff8801db31fde0 ffff8801db31f4d8
[  842.658035]  ffff8801db31f4c0 ffff8801d9a41800 ffff8801d921e000 0000000000000000
[  842.666104] Call Trace:
[  842.668722]  [<ffffffff838b381a>] schedule+0x7a/0x1b0
[  842.673987]  [<ffffffff81da00a0>] blk_mq_freeze_queue_wait+0x120/0x240
[  842.680638]  [<ffffffff81d9ff80>] ? blk_mq_tags_cpumask+0x20/0x20
[  842.687804]  [<ffffffff81e56c5f>] ? percpu_ref_kill_and_confirm+0xff/0x300
[  842.694822]  [<ffffffff8121b370>] ? prepare_to_wait_event+0x430/0x430
[  842.701466]  [<ffffffff81da879d>] blk_mq_freeze_queue+0x1d/0x20
[  842.707565]  [<ffffffff8251abb2>] lo_ioctl+0x722/0x1ad0
[  842.712913]  [<ffffffff8251a490>] ? loop_probe+0x180/0x180
[  842.718566]  [<ffffffff81db67e8>] blkdev_ioctl+0x7b8/0x19c0
[  842.724281]  [<ffffffff81db6030>] ? blkpg_ioctl+0x900/0x900
[  842.730013]  [<ffffffff81277683>] ? rcu_read_lock_sched_held+0x103/0x120
[  842.736896]  [<ffffffff8151ef08>] ? do_readv_writev+0x1c8/0x6e0
[  842.742946]  [<ffffffff8151ed40>] ? vfs_write+0x4e0/0x4e0
[  842.748569]  [<ffffffff815d3fce>] block_ioctl+0xde/0x120
[  842.754039]  [<ffffffff815d3ef0>] ? blkdev_read_iter+0x170/0x170
[  842.760173]  [<ffffffff81559c8f>] do_vfs_ioctl+0x63f/0xf40
[  842.765833]  [<ffffffff838c0de5>] ? _raw_spin_unlock_irqrestore+0x45/0x70
[  842.772746]  [<ffffffff81559650>] ? ioctl_preallocate+0x1f0/0x1f0
[  842.779047]  [<ffffffff814f4c06>] ? kmem_cache_alloc+0x46/0x2a0
[  842.785138]  [<ffffffff8151f553>] ? vfs_writev+0x83/0xb0
[  842.790607]  [<ffffffff81c4c49f>] ? security_file_ioctl+0x8f/0xc0
[  842.796848]  [<ffffffff8155a61f>] SyS_ioctl+0x8f/0xc0
[  842.802023]  [<ffffffff838c1865>] entry_SYSCALL_64_fastpath+0x22/0x9e
[  842.808695] 1 lock held by syz-executor221/3823:
[  842.813424]  #0:  (&lo->lo_ctl_mutex/1){+.+.+.}, at: [<ffffffff8251a51b>] lo_ioctl+0x8b/0x1ad0
[  842.822932] Sending NMI to all CPUs:
[  842.827976] NMI backtrace for cpu 0
[  842.831579] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.139-g7ba5557 #66
[  842.838605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  842.847967] task: ffffffff84417840 task.stack: ffffffff84400000
[  842.854031] RIP: 0010:[<ffffffff810cc306>]  [<ffffffff810cc306>] native_safe_halt+0x6/0x10
[  842.862434] RSP: 0018:ffffffff84407dc8  EFLAGS: 00000246
[  842.867904] RAX: 0000000000000007 RBX: ffffffff84a05d68 RCX: 0000000000000000
[  842.875191] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff8441811c
[  842.882448] RBP: ffffffff84407dc8 R08: 0000000000000000 R09: 0000000000000000
[  842.889731] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  842.897000] R13: 0000000000000000 R14: fffffbfff07488e8 R15: ffffffff84a05d68
[  842.904275] FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[  842.912480] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  842.918400] CR2: 00007f4ef02a3000 CR3: 00000000b2c6f000 CR4: 00000000001606f0
[  842.925678] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  842.932945] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  842.940247] Stack:
[  842.942372]  ffffffff84407e00 ffffffff81025cf5 ffffffff84408000 0000000000000000
[  842.949949]  0000000000000000 fffffbfff07488e8 ffffffff84a05d68 ffffffff84407e10
[  842.957499]  ffffffff81027240 ffffffff84407e28 ffffffff8121bc07 dffffc0000000000
[  842.965049] Call Trace:
[  842.967611]  [<ffffffff81025cf5>] default_idle+0x55/0x3c0
[  842.973120]  [<ffffffff81027240>] arch_cpu_idle+0x10/0x20
[  842.978694]  [<ffffffff8121bc07>] default_idle_call+0x57/0x70
[  842.984578]  [<ffffffff8121c3af>] cpu_startup_entry+0x6af/0x780
[  842.990615]  [<ffffffff8121bd00>] ? call_cpuidle+0xe0/0xe0
[  842.996250]  [<ffffffff838ae981>] rest_init+0x188/0x18e
[  843.001590]  [<ffffffff84a4b8a1>] start_kernel+0x6b3/0x6e7
[  843.007236]  [<ffffffff84a4b1ee>] ? thread_stack_cache_init+0xb/0xb
[  843.013644]  [<ffffffff84a4a120>] ? early_idt_handler_array+0x120/0x120
[  843.020727]  [<ffffffff84a4a120>] ? early_idt_handler_array+0x120/0x120
[  843.027492]  [<ffffffff84a4a30f>] x86_64_start_reservations+0x29/0x2b
[  843.034075]  [<ffffffff84a4a450>] x86_64_start_kernel+0x13f/0x162
[  843.040284] 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 
[  843.059305] NMI backtrace for cpu 1
[  843.062916] CPU: 1 PID: 492 Comm: khungtaskd Not tainted 4.4.139-g7ba5557 #66
[  843.070228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  843.079598] task: ffff8800bb264800 task.stack: ffff8801d8e28000
[  843.085667] RIP: 0010:[<ffffffff810bfb46>]  [<ffffffff810bfb46>] flat_send_IPI_mask+0xf6/0x1a0
[  843.094414] RSP: 0018:ffff8801d8e2fcc8  EFLAGS: 00000046
[  843.099836] RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000
[  843.107104] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300
[  843.114392] RBP: ffff8801d8e2fcf0 R08: 0000000000000001 R09: 0000000000000000
[  843.121641] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246
[  843.128937] R13: 0000000000000003 R14: 0000000000000002 R15: ffffffff8446f6a0
[  843.136214] FS:  0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[  843.144464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  843.150320] CR2: 00007fed6064b000 CR3: 00000000b2c6f000 CR4: 00000000001606f0
[  843.157698] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  843.164985] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  843.172232] Stack:
[  843.174387]  ffffffff8446f6a0 ffffffff84a18ca0 0000000000000007 fffffbfff0942c44
[  843.181908]  0000000000000040 ffff8801d8e2fd10 ffffffff810b5b01 ffffffff83c0b2a0
[  843.189460]  0000000000000003 ffff8801d8e2fd68 ffffffff81e18603 ffffffff8140dd6f
[  843.197085] Call Trace:
[  843.199653]  [<ffffffff810b5b01>] nmi_raise_cpu_backtrace+0x61/0x80
[  843.206064]  [<ffffffff81e18603>] nmi_trigger_all_cpu_backtrace.cold.4+0x70/0xad
[  843.213573]  [<ffffffff8140dd6f>] ? print_lock+0x9f/0xa2
[  843.219062]  [<ffffffff810b5aa0>] ? irq_force_complete_move+0x350/0x350
[  843.225833]  [<ffffffff810b5ba4>] arch_trigger_all_cpu_backtrace+0x14/0x20
[  843.232939]  [<ffffffff8141a459>] watchdog.cold.1+0xd3/0xee
[  843.238658]  [<ffffffff81358e40>] ? watchdog+0xb0/0x9a0
[  843.238659]  [<ffffffff81190958>] kthread+0x268/0x300
[  843.238661]  [<ffffffff81358d90>] ? reset_hung_task_detector+0x20/0x20
[  843.238663]  [<ffffffff811906f0>] ? kthread_create_on_node+0x400/0x400
[  843.238664]  [<ffffffff811906f0>] ? kthread_create_on_node+0x400/0x400
[  843.238666]  [<ffffffff838c1c95>] ret_from_fork+0x55/0x80
[  843.238667]  [<ffffffff811906f0>] ? kthread_create_on_node+0x400/0x400
[  843.238672] 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 e2 
[  843.238833] Kernel panic - not syncing: hung_task: blocked tasks
[  843.238840] CPU: 1 PID: 492 Comm: khungtaskd Not tainted 4.4.139-g7ba5557 #66
[  843.238842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  843.238850]  0000000000000000 7a05c2c360035a68 ffff8801d8e2fcb8 ffffffff81e0d58d
[  843.238854]  ffffffff83a836c0 0000000000000003 7fffffffffffffff 00000000003fff91
[  843.238859]  dffffc0000000000 ffff8801d8e2fd78 ffffffff8140a184 0000000041b58ab3
[  843.238860] Call Trace:
[  843.238872]  [<ffffffff81e0d58d>] dump_stack+0xc1/0x124
[  843.238879]  [<ffffffff8140a184>] panic+0x19e/0x38d
[  843.238883]  [<ffffffff81409fe6>] ? add_taint.cold.4+0x16/0x16
[  843.238888]  [<ffffffff81e18486>] ? nmi_trigger_all_cpu_backtrace+0x3e6/0x488
[  843.238893]  [<ffffffff81e18435>] ? nmi_trigger_all_cpu_backtrace+0x395/0x488
[  843.238897]  [<ffffffff81e18435>] ? nmi_trigger_all_cpu_backtrace+0x395/0x488
[  843.238903]  [<ffffffff8141a46a>] watchdog.cold.1+0xe4/0xee
[  843.238915]  [<ffffffff81358e40>] ? watchdog+0xb0/0x9a0
[  843.238921]  [<ffffffff81190958>] kthread+0x268/0x300
[  843.238926]  [<ffffffff81358d90>] ? reset_hung_task_detector+0x20/0x20
[  843.238930]  [<ffffffff811906f0>] ? kthread_create_on_node+0x400/0x400
[  843.238934]  [<ffffffff811906f0>] ? kthread_create_on_node+0x400/0x400
[  843.238943]  [<ffffffff838c1c95>] ret_from_fork+0x55/0x80
[  843.238946]  [<ffffffff811906f0>] ? kthread_create_on_node+0x400/0x400
[  843.239453] Dumping ftrace buffer:
[  843.239477]    (ftrace buffer empty)
[  843.239479] Kernel Offset: disabled
[  843.447094] Rebooting in 86400 seconds..