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

INIT: Id "4" 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 "2" respawning too fast: disabled for 5 minutes
Warning: Permanently added '10.128.0.14' (ECDSA) to the list of known hosts.
executing program
executing program
[  702.240747] INFO: task syz-executor521:3948 blocked for more than 140 seconds.
[  702.248355]       Not tainted 4.4.140-ged9bdc8 #68
[  702.253339] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  702.261380] syz-executor521 D ffff8800b970fa80 27392  3948   3946 0x00000000
[  702.268827]  ffff8800b970fa80 0000000000000246 0000000000000296 0000000041b58ab3
[  702.276885]  ffffffff841e1c00 ffff8801db31fdb8 ffff8801db31fde0 ffff8801db31f4d8
[  702.285134]  ffff8801db31f4c0 ffff8801d6d00000 ffff8801d6ff1800 0000000000000000
[  702.293357] Call Trace:
[  702.295953]  [<ffffffff838b476a>] schedule+0x7a/0x1b0
[  702.301177]  [<ffffffff81da0ba0>] blk_mq_freeze_queue_wait+0x120/0x240
[  702.307830]  [<ffffffff81da0a80>] ? blk_mq_tags_cpumask+0x20/0x20
[  702.314197]  [<ffffffff81e5771f>] ? percpu_ref_kill_and_confirm+0xff/0x300
[  702.321219]  [<ffffffff8121b3b0>] ? prepare_to_wait_event+0x430/0x430
[  702.327800]  [<ffffffff81da929d>] blk_mq_freeze_queue+0x1d/0x20
[  702.333899]  [<ffffffff8251b742>] lo_ioctl+0x722/0x1ad0
[  702.339252]  [<ffffffff8251b020>] ? loop_probe+0x180/0x180
[  702.344913]  [<ffffffff81db72e8>] blkdev_ioctl+0x7b8/0x19c0
[  702.350638]  [<ffffffff81db6b30>] ? blkpg_ioctl+0x900/0x900
[  702.356345]  [<ffffffff812776c3>] ? rcu_read_lock_sched_held+0x103/0x120
[  702.363326]  [<ffffffff8151ef48>] ? do_readv_writev+0x1c8/0x6e0
[  702.369377]  [<ffffffff8151ed80>] ? vfs_write+0x4e0/0x4e0
[  702.374958]  [<ffffffff815d400e>] block_ioctl+0xde/0x120
[  702.380397]  [<ffffffff815d3f30>] ? blkdev_read_iter+0x170/0x170
[  702.386576]  [<ffffffff81559ccf>] do_vfs_ioctl+0x63f/0xf40
[  702.392229]  [<ffffffff838c1d35>] ? _raw_spin_unlock_irqrestore+0x45/0x70
[  702.399140]  [<ffffffff81559690>] ? ioctl_preallocate+0x1f0/0x1f0
[  702.405426]  [<ffffffff814f4c06>] ? kmem_cache_alloc+0x6/0x2a0
[  702.411422]  [<ffffffff8151f593>] ? vfs_writev+0x83/0xb0
[  702.416864]  [<ffffffff81c4cf8f>] ? security_file_ioctl+0x8f/0xc0
[  702.423124]  [<ffffffff8155a65f>] SyS_ioctl+0x8f/0xc0
[  702.428348]  [<ffffffff838c27a5>] entry_SYSCALL_64_fastpath+0x22/0x9e
[  702.435386] 1 lock held by syz-executor521/3948:
[  702.440132]  #0:  (&lo->lo_ctl_mutex/1){+.+.+.}, at: [<ffffffff8251b0ab>] lo_ioctl+0x8b/0x1ad0
[  702.449905] Sending NMI to all CPUs:
[  702.453801] NMI backtrace for cpu 0
[  702.457409] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.140-ged9bdc8 #68
[  702.464458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  702.473919] task: ffffffff84417840 task.stack: ffffffff84400000
[  702.479975] RIP: 0010:[<ffffffff810cc346>]  [<ffffffff810cc346>] native_safe_halt+0x6/0x10
[  702.488502] RSP: 0018:ffffffff84407dc8  EFLAGS: 00000246
[  702.493973] RAX: 0000000000000007 RBX: ffffffff84a06128 RCX: 0000000000000000
[  702.501272] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff8441811c
[  702.508555] RBP: ffffffff84407dc8 R08: 0000000000000000 R09: 0000000000000000
[  702.515826] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  702.523079] R13: 0000000000000000 R14: fffffbfff07488ec R15: ffffffff84a06128
[  702.530327] FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[  702.538655] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  702.544654] CR2: 00007f663bc633c0 CR3: 00000000b1c0f000 CR4: 00000000001606f0
[  702.551918] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  702.559261] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  702.566533] Stack:
[  702.568659]  ffffffff84407e00 ffffffff81025cf5 ffffffff84408000 0000000000000000
[  702.576198]  0000000000000000 fffffbfff07488ec ffffffff84a06128 ffffffff84407e10
[  702.583722]  ffffffff81027240 ffffffff84407e28 ffffffff8121bc47 dffffc0000000000
[  702.591437] Call Trace:
[  702.593998]  [<ffffffff81025cf5>] default_idle+0x55/0x3c0
[  702.599526]  [<ffffffff81027240>] arch_cpu_idle+0x10/0x20
[  702.605103]  [<ffffffff8121bc47>] default_idle_call+0x57/0x70
[  702.610996]  [<ffffffff8121c3ef>] cpu_startup_entry+0x6af/0x780
[  702.617032]  [<ffffffff8121bd40>] ? call_cpuidle+0xe0/0xe0
[  702.622669]  [<ffffffff838af8d1>] rest_init+0x188/0x18e
[  702.628014]  [<ffffffff84a4b8a1>] start_kernel+0x6b3/0x6e7
[  702.633671]  [<ffffffff84a4b1ee>] ? thread_stack_cache_init+0xb/0xb
[  702.640076]  [<ffffffff84a4a120>] ? early_idt_handler_array+0x120/0x120
[  702.646851]  [<ffffffff84a4a120>] ? early_idt_handler_array+0x120/0x120
[  702.653630]  [<ffffffff84a4a30f>] x86_64_start_reservations+0x29/0x2b
[  702.660195]  [<ffffffff84a4a450>] x86_64_start_kernel+0x13f/0x162
[  702.666455] 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 
[  702.685650] NMI backtrace for cpu 1
[  702.689257] CPU: 1 PID: 492 Comm: khungtaskd Not tainted 4.4.140-ged9bdc8 #68
[  702.696680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  702.706076] task: ffff8801d8d79800 task.stack: ffff8801d8d88000
[  702.712140] RIP: 0010:[<ffffffff810bff96>]  [<ffffffff810bff96>] flat_send_IPI_mask+0xf6/0x1a0
[  702.720894] RSP: 0018:ffff8801d8d8fcc8  EFLAGS: 00000046
[  702.726323] RAX: 0000000003000000 RBX: 0000000000000c00 RCX: 0000000000000000
[  702.733630] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fb300
[  702.740905] RBP: ffff8801d8d8fcf0 R08: 0000000000000001 R09: 0000000000000000
[  702.748158] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246
[  702.755451] R13: 0000000000000003 R14: 0000000000000002 R15: ffffffff8446f6e0
[  702.762724] FS:  0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[  702.770973] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  702.776834] CR2: 00007ffe5b6d9718 CR3: 000000000440c000 CR4: 00000000001606f0
[  702.784123] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  702.791404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  702.798770] Stack:
[  702.800973]  ffffffff8446f6e0 ffffffff84a19060 0000000000000007 fffffbfff0942cbc
[  702.808489]  0000000000000040 ffff8801d8d8fd10 ffffffff810b5f51 ffffffff83c0b760
[  702.816080]  0000000000000003 ffff8801d8d8fd68 ffffffff81e19103 ffffffff8140ddaf
[  702.823627] Call Trace:
[  702.826209]  [<ffffffff810b5f51>] nmi_raise_cpu_backtrace+0x61/0x80
[  702.832762]  [<ffffffff81e19103>] nmi_trigger_all_cpu_backtrace.cold.4+0x70/0xad
[  702.840276]  [<ffffffff8140ddaf>] ? print_lock+0x9f/0xa2
[  702.845757]  [<ffffffff810b5ef0>] ? irq_force_complete_move+0x350/0x350
[  702.852526]  [<ffffffff810b5ff4>] arch_trigger_all_cpu_backtrace+0x14/0x20
[  702.859633]  [<ffffffff8141a499>] watchdog.cold.1+0xd3/0xee
[  702.865372]  [<ffffffff81358e80>] ? watchdog+0xb0/0x9a0
[  702.870757]  [<ffffffff81190998>] kthread+0x268/0x300
[  702.875932]  [<ffffffff81358dd0>] ? reset_hung_task_detector+0x20/0x20
[  702.882630]  [<ffffffff81190730>] ? kthread_create_on_node+0x400/0x400
[  702.891318]  [<ffffffff81190730>] ? kthread_create_on_node+0x400/0x400
[  702.897965]  [<ffffffff838c2bd5>] ret_from_fork+0x55/0x80
[  702.903621]  [<ffffffff81190730>] ? kthread_create_on_node+0x400/0x400
[  702.910358] 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 d2 
[  702.929702] Kernel panic - not syncing: hung_task: blocked tasks
[  702.935843] CPU: 1 PID: 492 Comm: khungtaskd Not tainted 4.4.140-ged9bdc8 #68
[  702.943097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  702.952535]  0000000000000000 34c0d4e06c4c719f ffff8801d8d8fcb8 ffffffff81e0e08d
[  702.960557]  ffffffff83a836e0 0000000000000003 7fffffffffffffff 00000000003fff91
[  702.968712]  dffffc0000000000 ffff8801d8d8fd78 ffffffff8140a1c4 0000000041b58ab3
[  702.976825] Call Trace:
[  702.979398]  [<ffffffff81e0e08d>] dump_stack+0xc1/0x124
[  702.984782]  [<ffffffff8140a1c4>] panic+0x19e/0x38d
[  702.989802]  [<ffffffff8140a026>] ? add_taint.cold.4+0x16/0x16
[  702.995763]  [<ffffffff81e18f86>] ? nmi_trigger_all_cpu_backtrace+0x3e6/0x488
[  703.003020]  [<ffffffff81e18f35>] ? nmi_trigger_all_cpu_backtrace+0x395/0x488
[  703.010279]  [<ffffffff81e18f35>] ? nmi_trigger_all_cpu_backtrace+0x395/0x488
[  703.017562]  [<ffffffff8141a4aa>] watchdog.cold.1+0xe4/0xee
[  703.023261]  [<ffffffff81358e80>] ? watchdog+0xb0/0x9a0
[  703.028610]  [<ffffffff81190998>] kthread+0x268/0x300
[  703.033794]  [<ffffffff81358dd0>] ? reset_hung_task_detector+0x20/0x20
[  703.040449]  [<ffffffff81190730>] ? kthread_create_on_node+0x400/0x400
[  703.047141]  [<ffffffff81190730>] ? kthread_create_on_node+0x400/0x400
[  703.053890]  [<ffffffff838c2bd5>] ret_from_fork+0x55/0x80
[  703.059414]  [<ffffffff81190730>] ? kthread_create_on_node+0x400/0x400
[  703.066872] Dumping ftrace buffer:
[  703.070482]    (ftrace buffer empty)
[  703.074171] Kernel Offset: disabled
[  703.077793] Rebooting in 86400 seconds..