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

INIT: Id "6" 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

INIT: Id "1" respawning too fast: disabled for 5 minutes
Warning: Permanently added '10.128.15.199' (ECDSA) to the list of known hosts.
executing program
[  334.627476] IPVS: Creating netns size=2552 id=1
[  482.240459] INFO: task syzkaller600972:3760 blocked for more than 120 seconds.
[  482.247860]       Not tainted 4.4.115-gaa856bd #7
[  482.252825] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  482.260783] syzkaller600972 D ffff8800bb3775d8 27992  3760   3759 0x20020002
[  482.268264]  ffff8800bb3775d8 0000000000000000 0000000000000000 0000000000000000
[  482.276273]  0000000000000001 ffff8800bb377600 ffff8801db21fdb8 ffff8801db21fde0
[  482.284260]  ffff8801db21f4d8 ffffffff84217840 ffff8801c95db000 0000000000000000
[  482.292272] Call Trace:
[  482.294953]  [<ffffffff837662da>] schedule+0x7a/0x1b0
[  482.300121]  [<ffffffff83766ad3>] schedule_preempt_disabled+0x13/0x20
[  482.306717]  [<ffffffff8376b096>] mutex_lock_nested+0x306/0x850
[  482.312814]  [<ffffffff82d2ad8d>] ? snd_seq_do_ioctl+0x15d/0x1b0
[  482.318932]  [<ffffffff8376ad90>] ? __ww_mutex_lock+0x14f0/0x14f0
[  482.325189]  [<ffffffff81139428>] ? do_group_exit+0x108/0x320
[  482.331088]  [<ffffffff81d66fe2>] ? debug_check_no_obj_freed+0x2d2/0x9b0
[  482.337900]  [<ffffffff82d2ad8d>] snd_seq_do_ioctl+0x15d/0x1b0
[  482.343866]  [<ffffffff82d2aeb7>] snd_seq_kernel_client_ctl+0xd7/0x150
[  482.350551]  [<ffffffff82d54150>] snd_seq_oss_writeq_clear+0xe0/0x140
[  482.357199]  [<ffffffff82d54070>] ? snd_seq_oss_writeq_wakeup+0xc0/0xc0
[  482.363972]  [<ffffffff814fdb88>] ? kasan_slab_free+0x88/0xc0
[  482.369854]  [<ffffffff814fa60c>] ? kfree+0xfc/0x300
[  482.374968]  [<ffffffff82d42d10>] ? create_port+0x230/0x230
[  482.380663]  [<ffffffff82d541cf>] snd_seq_oss_writeq_delete+0x1f/0x30
[  482.387220]  [<ffffffff82d42d71>] free_devinfo+0x61/0xb0
[  482.392664]  [<ffffffff82d3d015>] port_delete+0xd5/0x110
[  482.398099]  [<ffffffff82d3d913>] snd_seq_delete_port+0x1c3/0x200
[  482.404358]  [<ffffffff82d29142>] snd_seq_ioctl_delete_port+0xf2/0x1d0
[  482.411021]  [<ffffffff82d29050>] ? snd_seq_ioctl_set_port_info+0x190/0x190
[  482.418094]  [<ffffffff82d2adb2>] snd_seq_do_ioctl+0x182/0x1b0
[  482.424063]  [<ffffffff82d2aeb7>] snd_seq_kernel_client_ctl+0xd7/0x150
[  482.430715]  [<ffffffff82d42730>] ? snd_midi_event_new+0x200/0x200
[  482.437002]  [<ffffffff82d3bd5f>] snd_seq_event_port_detach+0xaf/0x100
[  482.443659]  [<ffffffff82d3bcb0>] ? snd_seq_event_port_attach+0x190/0x190
[  482.450571]  [<ffffffff82d42e33>] delete_port+0x73/0xb0
[  482.455906]  [<ffffffff82d43fe4>] snd_seq_oss_release+0xe4/0x130
[  482.462046]  [<ffffffff82d42782>] odev_release+0x52/0x70
[  482.467516]  [<ffffffff815236a3>] __fput+0x233/0x6d0
[  482.472611]  [<ffffffff81523bc5>] ____fput+0x15/0x20
[  482.477704]  [<ffffffff8118b9e4>] task_work_run+0x104/0x180
[  482.483404]  [<ffffffff81132f8a>] do_exit+0x82a/0x2a10
[  482.488646]  [<ffffffff814fdb88>] ? kasan_slab_free+0x88/0xc0
[  482.494518]  [<ffffffff814fa387>] ? kmem_cache_free+0x197/0x320
[  482.500564]  [<ffffffff81132760>] ? release_task+0x1240/0x1240
[  482.506516]  [<ffffffff8151c109>] ? do_sys_open+0x259/0x660
[  482.512214]  [<ffffffff8151beb0>] ? filp_open+0x70/0x70
[  482.517584]  [<ffffffff810dc600>] ? __do_page_fault+0x290/0xa00
[  482.523633]  [<ffffffff81139428>] do_group_exit+0x108/0x320
[  482.529317]  [<ffffffff8113965d>] SyS_exit_group+0x1d/0x20
[  482.534933]  [<ffffffff81139640>] ? do_group_exit+0x320/0x320
[  482.540810]  [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890
[  482.546949]  [<ffffffff83775daa>] sysenter_flags_fixed+0xd/0x17
[  482.553043] INFO: lockdep is turned off.
[  482.557072] Sending NMI to all CPUs:
[  482.561963] NMI backtrace for cpu 0
[  482.565560] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.115-gaa856bd #7
[  482.572487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  482.581828] task: ffffffff84217840 task.stack: ffffffff84200000
[  482.587854] RIP: 0010:[<ffffffff810d0536>]  [<ffffffff810d0536>] native_safe_halt+0x6/0x10
[  482.596244] RSP: 0018:ffffffff84207dc0  EFLAGS: 00000246
[  482.601672] RAX: 0000000000000003 RBX: ffffffff847dd8c8 RCX: ffffffff81d63b5b
[  482.608912] RDX: 0000000000000004 RSI: ffffffff839fe320 RDI: ffffffff84418180
[  482.616173] RBP: ffffffff84207dc0 R08: 0000000000000000 R09: 0000000000000000
[  482.623423] R10: 0000000000000000 R11: 1ffffffff0840f86 R12: 0000000000000000
[  482.630691] R13: fffffbfff070887c R14: ffffffff847ebc38 R15: 0000000000000000
[  482.637934] FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[  482.646174] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  482.652045] CR2: 00007f4411204000 CR3: 00000000b1312000 CR4: 0000000000160670
[  482.659288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  482.666556] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  482.673816] Stack:
[  482.675935]  ffffffff84207df8 ffffffff81027ed5 ffffffff84208000 ffffffff847dd8c8
[  482.683454]  fffffbfff070887c ffffffff847ebc38 0000000000000000 ffffffff84207e08
[  482.690968]  ffffffff8102945a ffffffff84207e20 ffffffff81221468 dffffc0000000000
[  482.698469] Call Trace:
[  482.701047]  [<ffffffff81027ed5>] default_idle+0x55/0x3c0
[  482.706552]  [<ffffffff8102945a>] arch_cpu_idle+0xa/0x10
[  482.711991]  [<ffffffff81221468>] default_idle_call+0x48/0x70
[  482.717843]  [<ffffffff81221b6d>] cpu_startup_entry+0x5fd/0x8f0
[  482.723887]  [<ffffffff837739ea>] ? _raw_spin_unlock_irqrestore+0x5a/0x70
[  482.730804]  [<ffffffff81221570>] ? call_cpuidle+0xe0/0xe0
[  482.736397]  [<ffffffff83761369>] rest_init+0x189/0x190
[  482.741784]  [<ffffffff84821811>] start_kernel+0x6b9/0x6ee
[  482.747378]  [<ffffffff84821158>] ? thread_stack_cache_init+0xb/0xb
[  482.753782]  [<ffffffff84820120>] ? early_idt_handler_array+0x120/0x120
[  482.760518]  [<ffffffff84820120>] ? early_idt_handler_array+0x120/0x120
[  482.767239]  [<ffffffff84820312>] x86_64_start_reservations+0x2a/0x2c
[  482.773811]  [<ffffffff84820454>] x86_64_start_kernel+0x140/0x163
[  482.780011] 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 
[  482.799004] NMI backtrace for cpu 1
[  482.802636] CPU: 1 PID: 486 Comm: khungtaskd Not tainted 4.4.115-gaa856bd #7
[  482.809792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  482.819171] task: ffff8800bac50000 task.stack: ffff8800bb3f0000
[  482.825218] RIP: 0010:[<ffffffff810c3ec7>]  [<ffffffff810c3ec7>] flat_send_IPI_mask+0xf7/0x1a0
[  482.833959] RSP: 0018:ffff8800bb3f7cb8  EFLAGS: 00000046
[  482.839388] RAX: 0000000003000000 RBX: 0000000000000c00 RCX: ffffffff8126a292
[  482.846659] RDX: 0000000000000c00 RSI: 0000000000000002 RDI: ffffffffff5fb300
[  482.853918] RBP: ffff8800bb3f7ce0 R08: 0000000000000001 R09: 0000000000000000
[  482.861186] R10: 0000000000000000 R11: fffffbfff0ad7e2c R12: 0000000000000246
[  482.868442] R13: 0000000000000003 R14: ffffffff8426f3a0 R15: 0000000000000002
[  482.875710] FS:  0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[  482.883926] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  482.889778] CR2: 00007f2392b86000 CR3: 00000000b1312000 CR4: 0000000000160670
[  482.897047] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  482.904324] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  482.911589] Stack:
[  482.913711]  ffffffff8426f3a0 ffffffff847ef7c0 fffffbfff08fd9ac dffffc0000000000
[  482.921238]  ffff8801db31bca0 ffff8800bb3f7d00 ffffffff810b99fb ffffffff839f61c0
[  482.928743]  0000000000000003 ffff8800bb3f7d60 ffffffff81d0ed14 0000000000000001
[  482.936268] Call Trace:
[  482.938824]  [<ffffffff810b99fb>] nmi_raise_cpu_backtrace+0x5b/0x70
[  482.945217]  [<ffffffff81d0ed14>] nmi_trigger_all_cpu_backtrace+0x4a4/0x550
[  482.952310]  [<ffffffff810b99a0>] ? irq_force_complete_move+0x3b0/0x3b0
[  482.959031]  [<ffffffff810b9a94>] arch_trigger_all_cpu_backtrace+0x14/0x20
[  482.966048]  [<ffffffff81368cca>] watchdog+0x6fa/0xae0
[  482.971326]  [<ffffffff81368693>] ? watchdog+0xc3/0xae0
[  482.976659]  [<ffffffff811907e8>] kthread+0x268/0x300
[  482.981848]  [<ffffffff813685d0>] ? reset_hung_task_detector+0x20/0x20
[  482.988487]  [<ffffffff81190580>] ? kthread_create_on_node+0x400/0x400
[  482.995153]  [<ffffffff81190580>] ? kthread_create_on_node+0x400/0x400
[  483.001809]  [<ffffffff83774845>] ret_from_fork+0x55/0x80
[  483.007327]  [<ffffffff81190580>] ? kthread_create_on_node+0x400/0x400
[  483.013988] Code: b3 5f ff f6 c4 10 75 e1 44 89 e8 c1 e0 18 89 04 25 10 b3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 b3 5f ff <41> f7 c4 00 02 00 00 74 1a e8 0b 2f 17 00 4c 89 e7 57 9d 0f 1f 
[  483.033015] Kernel panic - not syncing: hung_task: blocked tasks
[  483.039265] CPU: 0 PID: 486 Comm: khungtaskd Not tainted 4.4.115-gaa856bd #7
[  483.046422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  483.055752]  0000000000000000 54bd705f8607decc ffff8800bb3f7ca8 ffffffff81d03dad
[  483.063748]  ffffffff83882f20 ffff8800bb3f7d80 dffffc0000000000 7fffffffffffffff
[  483.071717]  ffff8801c95db448 ffff8800bb3f7d70 ffffffff8141acca 0000000041b58ab3
[  483.079685] Call Trace:
[  483.082311]  [<ffffffff81d03dad>] dump_stack+0xc1/0x124
[  483.087671]  [<ffffffff8141acca>] panic+0x1aa/0x388
[  483.092663]  [<ffffffff8141ab20>] ? percpu_up_read.constprop.45+0xe1/0xe1
[  483.099560]  [<ffffffff81d0ec68>] ? nmi_trigger_all_cpu_backtrace+0x3f8/0x550
[  483.106800]  [<ffffffff81d0ec68>] ? nmi_trigger_all_cpu_backtrace+0x3f8/0x550
[  483.114046]  [<ffffffff81368cdb>] watchdog+0x70b/0xae0
[  483.119288]  [<ffffffff81368693>] ? watchdog+0xc3/0xae0
[  483.124620]  [<ffffffff811907e8>] kthread+0x268/0x300
[  483.129777]  [<ffffffff813685d0>] ? reset_hung_task_detector+0x20/0x20
[  483.136412]  [<ffffffff81190580>] ? kthread_create_on_node+0x400/0x400
[  483.143046]  [<ffffffff81190580>] ? kthread_create_on_node+0x400/0x400
[  483.149684]  [<ffffffff83774845>] ret_from_fork+0x55/0x80
[  483.155189]  [<ffffffff81190580>] ? kthread_create_on_node+0x400/0x400
[  483.162175] Dumping ftrace buffer:
[  483.165685]    (ftrace buffer empty)
[  483.169365] Kernel Offset: disabled
[  483.172960] Rebooting in 86400 seconds..