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

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

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

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

INIT: Id "3" respawning too fast: disabled for 5 minutes
[  414.838730] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.24' (ECDSA) to the list of known hosts.
[  420.332760] random: sshd: uninitialized urandom read (32 bytes read)
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INIT: Id "6" 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 "2" 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
[  542.290595] random: crng init done
[  613.809253] INFO: task syz-executor468:4187 blocked for more than 120 seconds.
[  613.816651]       Not tainted 4.9.96-g71fce1e #10
[  613.821906] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  613.830065] syz-executor468 D28920  4187   3860 0x00000002
[  613.835902]  ffff8801b5b26000 ffff8801b5611a40 ffff8801da0f2f40 ffff8801b8344800
[  613.844218]  ffff8801db321b98 ffff8801d7787568 ffffffff839e240d ffffffff81233817
[  613.852536]  0000000000000000 ffff8801b5b268c0 0000000600000007 ffff8801db322468
[  613.860888] Call Trace:
[  613.863539]  [<ffffffff839e240d>] ? __schedule+0x64d/0x1bd0
[  613.869560]  [<ffffffff81233817>] ? mark_held_locks+0xc7/0x130
[  613.875522]  [<ffffffff839e3a0f>] schedule+0x7f/0x1b0
[  613.881017]  [<ffffffff839ef048>] rwsem_down_write_failed+0x598/0x990
[  613.887585]  [<ffffffff839eec3c>] ? rwsem_down_write_failed+0x18c/0x990
[  613.894581]  [<ffffffff839eeab0>] ? rwsem_down_write_failed_killable+0xb40/0xb40
[  613.902430]  [<ffffffff81234380>] ? debug_check_no_locks_freed+0x210/0x210
[  613.910291]  [<ffffffff82111900>] ? session_clear_tty+0xb0/0xb0
[  613.916359]  [<ffffffff82111900>] ? session_clear_tty+0xb0/0xb0
[  613.922673]  [<ffffffff81ee4e77>] call_rwsem_down_write_failed+0x17/0x30
[  613.929727]  [<ffffffff839ece1c>] down_write+0x5c/0xa0
[  613.935041]  [<ffffffff8211a4e1>] ? n_tty_flush_buffer+0x21/0x310
[  613.941538]  [<ffffffff8211a4e1>] n_tty_flush_buffer+0x21/0x310
[  613.947600]  [<ffffffff8211a4c0>] ? n_tty_kick_worker+0x210/0x210
[  613.954089]  [<ffffffff821286b9>] tty_ldisc_hangup+0x89/0x5b0
[  613.960168]  [<ffffffff82111900>] ? session_clear_tty+0xb0/0xb0
[  613.966210]  [<ffffffff8210fb37>] __tty_hangup.part.22+0x5f7/0xb00
[  613.972741]  [<ffffffff82111900>] ? session_clear_tty+0xb0/0xb0
[  613.978788]  [<ffffffff82110061>] tty_vhangup+0x21/0x30
[  613.984367]  [<ffffffff8212ff34>] pty_close+0x374/0x4d0
[  613.989920]  [<ffffffff8212fbc0>] ? ptmx_open+0x310/0x310
[  613.995442]  [<ffffffff82111c70>] tty_release+0x370/0xd00
[  614.001300]  [<ffffffff81684200>] ? fcntl_setlk+0xc40/0xc40
[  614.007058]  [<ffffffff811b9335>] ? __might_sleep+0x95/0x1a0
[  614.013122]  [<ffffffff82111900>] ? session_clear_tty+0xb0/0xb0
[  614.019392]  [<ffffffff81575b13>] __fput+0x263/0x700
[  614.024484]  [<ffffffff81576035>] ____fput+0x15/0x20
[  614.029841]  [<ffffffff8119603c>] task_work_run+0x10c/0x180
[  614.035581]  [<ffffffff8113ec91>] do_exit+0x9e1/0x27c0
[  614.041645]  [<ffffffff81234380>] ? debug_check_no_locks_freed+0x210/0x210
[  614.048648]  [<ffffffff8113e2b0>] ? release_task.part.19+0x1210/0x1210
[  614.055556]  [<ffffffff839f2a0a>] ? _raw_spin_unlock_irqrestore+0x5a/0x70
[  614.062695]  [<ffffffff8115d042>] ? recalc_sigpending+0x72/0x90
[  614.068740]  [<ffffffff81144d91>] do_group_exit+0x111/0x340
[  614.074710]  [<ffffffff81167b8f>] get_signal+0x4cf/0x1450
[  614.080495]  [<ffffffff810524d7>] do_signal+0x87/0x19f0
[  614.085875]  [<ffffffff81cfb899>] ? __inode_security_revalidate+0xd9/0x130
[  614.093140]  [<ffffffff81cf6479>] ? avc_policy_seqno+0x9/0x20
[  614.099010]  [<ffffffff81d061c2>] ? selinux_file_permission+0x82/0x470
[  614.105920]  [<ffffffff81052450>] ? setup_sigcontext+0x7d0/0x7d0
[  614.112258]  [<ffffffff81ced45f>] ? security_file_permission+0x8f/0x1f0
[  614.118999]  [<ffffffff8156fc05>] ? rw_verify_area+0xe5/0x2b0
[  614.125106]  [<ffffffff8157036d>] ? vfs_write+0x21d/0x530
[  614.130825]  [<ffffffff81575842>] ? fput+0xd2/0x140
[  614.135829]  [<ffffffff81574160>] ? SyS_write+0x130/0x1c0
[  614.141629]  [<ffffffff8100554c>] ? exit_to_usermode_loop+0xac/0x120
[  614.148108]  [<ffffffff81005581>] exit_to_usermode_loop+0xe1/0x120
[  614.154896]  [<ffffffff810064d4>] do_syscall_64+0x364/0x490
[  614.160895]  [<ffffffff839f3313>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
[  614.168149] 
[  614.168149] Showing all locks held in the system:
[  614.175221] 2 locks held by khungtaskd/518:
[  614.179539]  #0:  (rcu_read_lock){......}, at: [<ffffffff813646ec>] watchdog+0x11c/0xa20
[  614.188331]  #1:  (tasklist_lock){.+.+..}, at: [<ffffffff81423ce0>] debug_show_all_locks+0x79/0x218
[  614.198059] 2 locks held by getty/3778:
[  614.202034]  #0:  (&tty->ldisc_sem){++++++}, at: [<ffffffff839f14b2>] ldsem_down_read+0x32/0x40
[  614.211367]  #1:  (&ldata->atomic_read_lock){+.+...}, at: [<ffffffff8211c792>] n_tty_read+0x202/0x16e0
[  614.221342] 4 locks held by syz-executor468/4187:
[  614.226161]  #0:  (&tty->legacy_mutex){+.+.+.}, at: [<ffffffff8212d0fa>] tty_lock+0x6a/0xd0
[  614.235152]  #1:  (&tty->legacy_mutex/1){+.+...}, at: [<ffffffff8212d0fa>] tty_lock+0x6a/0xd0
[  614.244445]  #2:  (&tty->ldisc_sem){++++++}, at: [<ffffffff82127940>] tty_ldisc_ref+0x20/0x80
[  614.253626]  #3:  (&o_tty->termios_rwsem/1){++++..}, at: [<ffffffff8211a4e1>] n_tty_flush_buffer+0x21/0x310
[  614.264340] 
[  614.265947] =============================================
[  614.265947] 
[  614.273563] NMI backtrace for cpu 0
[  614.277183] CPU: 0 PID: 518 Comm: khungtaskd Not tainted 4.9.96-g71fce1e #10
[  614.284348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  614.293683]  ffff8801d85f7d08 ffffffff81eb0b69 0000000000000000 0000000000000000
[  614.301717]  0000000000000000 0000000000000001 ffffffff810b7d60 ffff8801d85f7d40
[  614.309736]  ffffffff81ebbe97 0000000000000000 0000000000000000 0000000000000003
[  614.317757] Call Trace:
[  614.320377]  [<ffffffff81eb0b69>] dump_stack+0xc1/0x128
[  614.325757]  [<ffffffff810b7d60>] ? irq_force_complete_move+0x320/0x320
[  614.332500]  [<ffffffff81ebbe97>] nmi_cpu_backtrace.cold.2+0x48/0x87
[  614.339148]  [<ffffffff810b7d60>] ? irq_force_complete_move+0x320/0x320
[  614.345883]  [<ffffffff81ebbe2a>] nmi_trigger_cpumask_backtrace+0x12a/0x14f
[  614.352968]  [<ffffffff810b7e64>] arch_trigger_cpumask_backtrace+0x14/0x20
[  614.359964]  [<ffffffff81364c84>] watchdog+0x6b4/0xa20
[  614.365225]  [<ffffffff813646ec>] ? watchdog+0x11c/0xa20
[  614.370661]  [<ffffffff8119ad5d>] kthread+0x26d/0x300
[  614.375841]  [<ffffffff813645d0>] ? reset_hung_task_detector+0x20/0x20
[  614.382492]  [<ffffffff8119aaf0>] ? kthread_park+0xa0/0xa0
[  614.388103]  [<ffffffff8119aaf0>] ? kthread_park+0xa0/0xa0
[  614.393708]  [<ffffffff8119aaf0>] ? kthread_park+0xa0/0xa0
[  614.399316]  [<ffffffff839f34dc>] ret_from_fork+0x5c/0x70
[  614.404928] Sending NMI from CPU 0 to CPUs 1:
[  614.409890] NMI backtrace for cpu 1
[  614.413613] CPU: 1 PID: 45 Comm: kworker/u4:2 Not tainted 4.9.96-g71fce1e #10
[  614.421124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  614.430455] Workqueue: events_unbound flush_to_ldisc
c
[  614.435801] task: ffff8801d9580000 task.stack: ffff8801d9588000
[  614.441835] RIP: 0010:[<ffffffff8135ca1e>] 
c [<ffffffff8135ca1e>] __sanitizer_cov_trace_pc+0x1e/0x50
[  614.451165] RSP: 0018:ffff8801d958f9c8  EFLAGS: 00000246
[  614.456589] RAX: ffff8801d9580000 RBX: ffffc900016b4000 RCX: 0000000000000000
[  614.463840] RDX: 0000000000000000 RSI: ffffffff821186be RDI: ffffc900016b5b31
[  614.471087] RBP: ffff8801d958f9c8 R08: ffff8801d95809b0 R09: 0000000000000000
[  614.478335] R10: 0000000000000000 R11: 0000000000000000 R12: 00000009cb6888d0
[  614.485590] R13: 0000000000003b54 R14: dffffc0000000000 R15: 00000000000008d1
[  614.492837] FS:  0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[  614.501043] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  614.506901] CR2: 00007f908de7c000 CR3: 00000001cdf01000 CR4: 00000000001606f0
[  614.514156] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  614.521406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  614.528656] Stack:
[  614.530787]  ffff8801d958fa40
c ffffffff821186be
c 0000000000000206
c ffff8801d958f9f8
c
[  614.538997]  ffffc900016b6278
c ffffed003af56e45
c ffff8801d7ab722c
c ffffc900016b4020
c
[  614.547387]  00000001000008ff
c ffff8801d7ab6e80
c ffffc900016b6300
c ffffc900016b4000
c
[  614.555592] Call Trace:
[  614.558150]  [<ffffffff821186be>] __process_echoes+0x64e/0x780
[  614.564094]  [<ffffffff82122074>] n_tty_receive_buf_common+0xd34/0x2300
[  614.570818]  [<ffffffff81233817>] ? mark_held_locks+0xc7/0x130
[  614.576770]  [<ffffffff81233c00>] ? trace_hardirqs_on_caller+0x380/0x590
[  614.583590]  [<ffffffff82123673>] n_tty_receive_buf2+0x33/0x40
[  614.589549]  [<ffffffff8212917f>] tty_ldisc_receive_buf+0xaf/0x190
[  614.595866]  [<ffffffff82123640>] ? n_tty_receive_buf_common+0x2300/0x2300
[  614.602854]  [<ffffffff8212a183>] flush_to_ldisc+0x253/0x370
[  614.608629]  [<ffffffff8122e3f2>] ? __lock_is_held+0xa2/0xf0
[  614.614402]  [<ffffffff8118ae31>] process_one_work+0x7e1/0x1500
[  614.620431]  [<ffffffff8118ad78>] ? process_one_work+0x728/0x1500
[  614.626634]  [<ffffffff8118a650>] ? pwq_dec_nr_in_flight+0x2e0/0x2e0
[  614.633097]  [<ffffffff8118bc26>] worker_thread+0xd6/0x10a0
[  614.638781]  [<ffffffff839e2415>] ? __schedule+0x655/0x1bd0
[  614.644467]  [<ffffffff8119ad5d>] kthread+0x26d/0x300
[  614.649632]  [<ffffffff8118bb50>] ? process_one_work+0x1500/0x1500
[  614.655929]  [<ffffffff8119aaf0>] ? kthread_park+0xa0/0xa0
[  614.661655]  [<ffffffff8119aaf0>] ? kthread_park+0xa0/0xa0
[  614.667257]  [<ffffffff8119aaf0>] ? kthread_park+0xa0/0xa0
[  614.672858]  [<ffffffff839f34dc>] ret_from_fork+0x5c/0x70
[  614.678462] Code: 
c66 
c2e 
c0f 
c1f 
c84 
c00 
c00 
c00 
c00 
c00 
c0f 
c1f 
c00 
c55 
c48 
c89 
ce5 
c65 
c48 
c8b 
c04 
c25 
c40 
c7d 
c01 
c00 
c65 
c8b 
c15 
cbc 
cb2 
ccb 
c7e 
c81 
ce2 
c00 
c01 
c1f 
c00 
c48 
c8b 
c75 
c08 
c<75> 
c2b 
c8b 
c90 
c80 
c12 
c00 
c00 
c83 
cfa 
c02 
c75 
c20 
c48 
c8b 
c88 
c88 
c12 
c00 
c00 
c8b 
c
[  614.711188] Kernel panic - not syncing: hung_task: blocked tasks
[  614.717342] CPU: 0 PID: 518 Comm: khungtaskd Not tainted 4.9.96-g71fce1e #10
[  614.724511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  614.733854]  ffff8801d85f7cc8 ffffffff81eb0b69 ffffffff83a8b4e0 00000000ffffffff
[  614.741878]  0000000000000000 0000000000000000 dffffc0000000000 ffff8801d85f7d88
[  614.749905]  ffffffff8141f975 0000000041b58ab3 ffffffff841b8030 ffffffff8141f7b6
[  614.757924] Call Trace:
[  614.760500]  [<ffffffff81eb0b69>] dump_stack+0xc1/0x128
[  614.765849]  [<ffffffff8141f975>] panic+0x1bf/0x3bc
[  614.770849]  [<ffffffff8141f7b6>] ? add_taint.cold.6+0x16/0x16
[  614.776805]  [<ffffffff81003066>] ? ___preempt_schedule+0x16/0x18
[  614.783021]  [<ffffffff81ebbe00>] ? nmi_trigger_cpumask_backtrace+0x100/0x14f
[  614.790280]  [<ffffffff81364c95>] watchdog+0x6c5/0xa20
[  614.795539]  [<ffffffff813646ec>] ? watchdog+0x11c/0xa20
[  614.800970]  [<ffffffff8119ad5d>] kthread+0x26d/0x300
[  614.806147]  [<ffffffff813645d0>] ? reset_hung_task_detector+0x20/0x20
[  614.812803]  [<ffffffff8119aaf0>] ? kthread_park+0xa0/0xa0
[  614.818410]  [<ffffffff8119aaf0>] ? kthread_park+0xa0/0xa0
[  614.824016]  [<ffffffff8119aaf0>] ? kthread_park+0xa0/0xa0
[  614.829620]  [<ffffffff839f34dc>] ret_from_fork+0x5c/0x70
[  614.835790] Dumping ftrace buffer:
[  614.839360]    (ftrace buffer empty)
[  614.843049] Kernel Offset: disabled
[  614.846664] Rebooting in 86400 seconds..