INIT: Id "4" 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

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

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

INIT: Id "1" respawning too fast: disabled for 5 minutes
Warning: Permanently added '10.128.0.50' (ECDSA) to the list of known hosts.
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[  841.634984] INFO: task syz-executor461:2508 blocked for more than 140 seconds.
[  841.642399]       Not tainted 4.4.163+ #122
[  841.647240] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  841.655265] syz-executor461 D ffff8801d1e278e0 29712  2508      1 0x00000000
[  841.662934]  ffff8801d1e278e0 0000000000000000 ffff8801d1d1d048 ffffffff83acc0a0
[  841.670991]  ffff8801d1d1cf00 ffff8801db71f180 ffff8801db71f1a8 ffff8801db71e898
[  841.679040]  ffff8801db71e880 ffff8801d2a15f00 ffff8801d1d1c740 0000000000000000
[  841.687445] Call Trace:
[  841.690273]  [<ffffffff82711047>] ? down_read_failed+0x287/0x580
[  841.696499]  [<ffffffff8270485a>] schedule+0x7a/0x1b0
[  841.701697]  [<ffffffff8270f6b1>] schedule_timeout+0x481/0x7b0
[  841.707665]  [<ffffffff8270f230>] ? usleep_range+0x140/0x140
[  841.713558]  [<ffffffff81237cf7>] ? debug_lockdep_rcu_enabled+0x77/0x90
[  841.720352]  [<ffffffff811fafc7>] ? mark_held_locks+0xc7/0x130
[  841.726328]  [<ffffffff82710e66>] ? down_read_failed+0xa6/0x580
[  841.732369]  [<ffffffff827118c7>] ? _raw_spin_unlock_irq+0x27/0x50
[  841.738687]  [<ffffffff82711047>] ? down_read_failed+0x287/0x580
[  841.744822]  [<ffffffff811fb3bb>] ? trace_hardirqs_on_caller+0x38b/0x590
[  841.751676]  [<ffffffff82711047>] ? down_read_failed+0x287/0x580
[  841.757833]  [<ffffffff82711054>] down_read_failed+0x294/0x580
[  841.763804]  [<ffffffff82710dc0>] ? down_write_failed+0x4f0/0x4f0
[  841.770081]  [<ffffffff827113d4>] ldsem_down_read+0x94/0xc0
[  841.775914]  [<ffffffff81c965fb>] ? tty_ldisc_ref_wait+0x2b/0xb0
[  841.782067]  [<ffffffff81c965fb>] tty_ldisc_ref_wait+0x2b/0xb0
[  841.788053]  [<ffffffff81c7fd27>] tty_ioctl+0x3a7/0x2090
[  841.793588]  [<ffffffff8194d250>] ? avc_ss_reset+0x110/0x110
[  841.799402]  [<ffffffff81c7f980>] ? no_tty+0xa0/0xa0
[  841.804510]  [<ffffffff811fc055>] ? __lock_acquire+0xa85/0x5f10
[  841.810577]  [<ffffffff811fb5d0>] ? trace_hardirqs_on+0x10/0x10
[  841.816643]  [<ffffffff811fb5d0>] ? trace_hardirqs_on+0x10/0x10
[  841.822692]  [<ffffffff81c7f980>] ? no_tty+0xa0/0xa0
[  841.827871]  [<ffffffff814cbbbf>] do_vfs_ioctl+0x63f/0xf40
[  841.833572]  [<ffffffff81b035fb>] ? check_preemption_disabled+0x3b/0x200
[  841.840429]  [<ffffffff814cb580>] ? ioctl_preallocate+0x1f0/0x1f0
[  841.846701]  [<ffffffff814eab86>] ? __fget+0x156/0x3d0
[  841.851987]  [<ffffffff814eaa77>] ? __fget+0x47/0x3d0
[  841.857226]  [<ffffffff819464cf>] ? security_file_ioctl+0x8f/0xc0
[  841.863453]  [<ffffffff814cc54f>] SyS_ioctl+0x8f/0xc0
[  841.868674]  [<ffffffff827123e1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[  841.875284] 1 lock held by syz-executor461/2508:
[  841.880059]  #0:  (&tty->ldisc_sem){++++++}, at: [<ffffffff81c965fb>] tty_ldisc_ref_wait+0x2b/0xb0
[  841.889972] Sending NMI to all CPUs:
[  841.894187] NMI backtrace for cpu 0
[  841.897833] CPU: 0 PID: 20 Comm: khungtaskd Not tainted 4.4.163+ #122
[  841.904396] task: ffff8801da6f4740 task.stack: ffff8800001c8000
[  841.910491] RIP: 0010:[<ffffffff8109c2d6>]  [<ffffffff8109c2d6>] flat_send_IPI_mask+0xf6/0x1a0
[  841.919239] RSP: 0018:ffff8800001cfcc8  EFLAGS: 00000046
[  841.924677] RAX: 0000000000000000 RBX: 0000000000000c00 RCX: 0000000000000000
[  841.931954] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fc300
[  841.939231] RBP: ffff8800001cfcf0 R08: 0000000000000001 R09: 0000000000000000
[  841.946526] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246
[  841.953788] R13: 0000000003000000 R14: ffffffff82e5f3a0 R15: 0000000000000002
[  841.961070] FS:  0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
[  841.969302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  841.975202] CR2: 0000000000414ba0 CR3: 00000001d1b46000 CR4: 00000000001606b0
[  841.982462] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  841.989768] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  841.997043] Stack:
[  841.999180]  ffffffff82e5f3a0 ffffffff831a4760 0000000000000007 fffffbfff06347cc
[  842.006733]  0000000000000008 ffff8800001cfd10 ffffffff81093701 ffffffff829220a0
[  842.014267]  0000000000000003 ffff8800001cfd68 ffffffff81ab041e ffffffff813a7cfd
[  842.021804] Call Trace:
[  842.024378]  [<ffffffff81093701>] nmi_raise_cpu_backtrace+0x61/0x80
[  842.030798]  [<ffffffff81ab041e>] nmi_trigger_all_cpu_backtrace.cold.0+0x70/0xae
[  842.038333]  [<ffffffff813a7cfd>] ? print_lock+0xa9/0xac
[  842.043771]  [<ffffffff810936a0>] ? irq_force_complete_move+0x350/0x350
[  842.050531]  [<ffffffff810937a4>] arch_trigger_all_cpu_backtrace+0x14/0x20
[  842.057545]  [<ffffffff813b13e9>] watchdog.cold.0+0xd3/0xee
[  842.063243]  [<ffffffff81307870>] ? watchdog+0xb0/0x9a0
[  842.068631]  [<ffffffff811340d8>] kthread+0x268/0x300
[  842.073806]  [<ffffffff813077c0>] ? reset_hung_task_detector+0x20/0x20
[  842.080490]  [<ffffffff81133e70>] ? kthread_create_on_node+0x4d0/0x4d0
[  842.087161]  [<ffffffff82702fbd>] ? __schedule+0x7ad/0x1e40
[  842.092858]  [<ffffffff81133e70>] ? kthread_create_on_node+0x4d0/0x4d0
[  842.099525]  [<ffffffff827127c5>] ret_from_fork+0x55/0x80
[  842.105095]  [<ffffffff81133e70>] ? kthread_create_on_node+0x4d0/0x4d0
[  842.111749] Code: 00 c3 5f ff 80 e6 10 75 e1 41 c1 e5 18 44 89 2c 25 10 c3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 c3 5f ff <41> f7 c4 00 02 00 00 75 1a 4c 89 e7 57 9d 0f 1f 44 00 00 e8 c2 
[  842.130746] NMI backtrace for cpu 1
[  842.134362] CPU: 1 PID: 2201 Comm: syz-executor461 Not tainted 4.4.163+ #122
[  842.141553] task: ffff8801d2a15f00 task.stack: ffff8801d2e08000
[  842.147613] RIP: 0010:[<ffffffff8120c44f>]  [<ffffffff8120c44f>] do_raw_spin_unlock+0x5f/0x210
[  842.156372] RSP: 0018:ffff8801d2e0fd10  EFLAGS: 00000806
[  842.161814] RAX: ffff8801d3327920 RBX: ffff8801d3327920 RCX: 0000000000000000
[  842.169107] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d3327924
[  842.176399] RBP: ffff8801d2e0fd28 R08: ffff8801d2e0fee0 R09: 0000000000000001
[  842.183653] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8801d3327920
[  842.190931] R13: ffff8801d2e0fee8 R14: ffff8801d3327920 R15: ffff8801d3327958
[  842.198224] FS:  0000000000d04880(0063) GS:ffff8801db700000(0000) knlGS:0000000000000000
[  842.206460] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  842.212387] CR2: 00007fe2e3130000 CR3: 00000001d32b7000 CR4: 00000000001606b0
[  842.219669] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  842.226953] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  842.234213] Stack:
[  842.236379]  0000000000000286 ffff8801d3327920 ffff8801d2e0fee8 ffff8801d2e0fd48
[  842.243899]  ffffffff82711857 ffff8801d2e0fec8 ffff8801d2e0fee0 ffff8801d2e0fd90
[  842.251442]  ffffffff811e6a81 ffff8801d2a15ef0 0000000000000286 fffffffffffffff6
[  842.259003] Call Trace:
[  842.261573]  [<ffffffff82711857>] _raw_spin_unlock_irqrestore+0x27/0x70
[  842.268332]  [<ffffffff811e6a81>] remove_wait_queue+0x111/0x1b0
[  842.274377]  [<ffffffff810ded89>] do_wait+0x429/0xa30
[  842.279572]  [<ffffffff810de960>] ? wait_consider_task+0x35e0/0x35e0
[  842.286069]  [<ffffffff82702fbd>] ? __schedule+0x7ad/0x1e40
[  842.291762]  [<ffffffff82702ff1>] ? __schedule+0x7e1/0x1e40
[  842.297492]  [<ffffffff810dfc0b>] SyS_wait4+0x12b/0x1f0
[  842.302844]  [<ffffffff810dfae0>] ? SyS_waitid+0x2d0/0x2d0
[  842.308513]  [<ffffffff810d7120>] ? kill_orphaned_pgrp+0x390/0x390
[  842.315129]  [<ffffffff810022d4>] ? lockdep_sys_exit_thunk+0x12/0x14
[  842.321608]  [<ffffffff827123e1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
[  842.328208] Code: 0f 85 a2 01 00 00 81 7b 04 ad 4e ad de 0f 85 5a 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 0f b6 14 02 48 89 d8 <83> e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5e 01 00 00 8b 03 85 
[  842.347434] Kernel panic - not syncing: hung_task: blocked tasks
[  842.353585] CPU: 0 PID: 20 Comm: khungtaskd Not tainted 4.4.163+ #122
[  842.360148]  0000000000000000 f19212d9b49fd742 ffff8800001cfcb8 ffffffff81aa556d
[  842.368208]  ffffffff82870c20 00000000003fffa6 7fffffffffffffff 0000000000000004
[  842.376806]  dffffc0000000000 ffff8800001cfd78 ffffffff813a1544 0000000041b58ab3
[  842.384837] Call Trace:
[  842.387430]  [<ffffffff81aa556d>] dump_stack+0xc1/0x124
[  842.392822]  [<ffffffff813a1544>] panic+0x19e/0x359
[  842.397830]  [<ffffffff813a13a6>] ? add_taint.cold.4+0x16/0x16
[  842.403808]  [<ffffffff81ab025f>] ? nmi_trigger_all_cpu_backtrace+0x3df/0x490
[  842.411081]  [<ffffffff81ab0228>] ? nmi_trigger_all_cpu_backtrace+0x3a8/0x490
[  842.418344]  [<ffffffff81ab0228>] ? nmi_trigger_all_cpu_backtrace+0x3a8/0x490
[  842.425617]  [<ffffffff813b13fa>] watchdog.cold.0+0xe4/0xee
[  842.431334]  [<ffffffff81307870>] ? watchdog+0xb0/0x9a0
[  842.436687]  [<ffffffff811340d8>] kthread+0x268/0x300
[  842.441867]  [<ffffffff813077c0>] ? reset_hung_task_detector+0x20/0x20
[  842.448523]  [<ffffffff81133e70>] ? kthread_create_on_node+0x4d0/0x4d0
[  842.455175]  [<ffffffff82702fbd>] ? __schedule+0x7ad/0x1e40
[  842.461313]  [<ffffffff81133e70>] ? kthread_create_on_node+0x4d0/0x4d0
[  842.467980]  [<ffffffff827127c5>] ret_from_fork+0x55/0x80
[  842.473524]  [<ffffffff81133e70>] ? kthread_create_on_node+0x4d0/0x4d0
[  842.480519] Kernel Offset: disabled
[  842.484137] Rebooting in 86400 seconds..