INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "3" 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 [ 542.007626] random: crng init done Warning: Permanently added '10.128.0.33' (ECDSA) to the list of known hosts. 2018/05/25 21:05:45 parsed 1 programs 2018/05/25 21:05:45 executed programs: 0 [ 578.509362] IPVS: Creating netns size=2536 id=1 [ 578.603694] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 578.615594] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 578.660370] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 578.671608] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 578.722956] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 578.734631] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 578.746651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 578.760091] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 579.221450] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 579.245745] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 579.251855] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 579.258991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 736.565884] INFO: task syz-executor0:4152 blocked for more than 120 seconds. [ 736.573119] Not tainted 4.9.103-g70c65e4 #37 [ 736.578432] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 736.586626] syz-executor0 D29496 4152 3793 0x20020004 [ 736.592531] ffff8801d477c800 0000000000000000 ffff8801d468ea00 ffff8801d9a6b000 [ 736.600716] ffff8801db321c18 ffff8801c22f7b90 ffffffff839e711d 0000000000000002 [ 736.609071] 0000000041b58ab3 ffffffff843b9803 00ffffff81221330 ffff8801db3224e8 [ 736.617123] Call Trace: [ 736.619763] [] ? __schedule+0x64d/0x1bd0 [ 736.625459] [] schedule+0x7f/0x1b0 [ 736.630744] [] blk_mq_freeze_queue_wait+0x114/0x230 [ 736.637862] [] ? plug_ctx_cmp+0x100/0x100 [ 736.643694] [] ? prepare_to_wait_event+0x450/0x450 [ 736.650331] [] blk_mq_freeze_queue+0x1d/0x20 [ 736.656472] [] lo_ioctl+0x722/0x1aa0 [ 736.661822] [] lo_compat_ioctl+0xb2/0x140 [ 736.667679] [] ? lo_ioctl+0x1aa0/0x1aa0 [ 736.673333] [] compat_blkdev_ioctl+0x3a5/0x3ad0 [ 736.679687] [] ? cfq_dispatch_requests+0x2ef0/0x2ef0 [ 736.686551] [] ? compat_SyS_futex+0x1e1/0x2f0 [ 736.692713] [] ? security_file_ioctl+0x8f/0xc0 [ 736.699039] [] compat_SyS_ioctl+0x126/0x1fe0 [ 736.705101] [] ? cfq_dispatch_requests+0x2ef0/0x2ef0 [ 736.711909] [] ? do_ioctl+0x60/0x60 [ 736.717233] [] do_fast_syscall_32+0x2f7/0x870 [ 736.723362] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 736.730108] [] entry_SYSENTER_compat+0x90/0xa2 [ 736.736354] [ 736.736354] Showing all locks held in the system: [ 736.742665] 2 locks held by khungtaskd/519: [ 736.747023] #0: (rcu_read_lock){......}, at: [] watchdog+0x11c/0xa20 [ 736.755832] #1: (tasklist_lock){.+.+..}, at: [] debug_show_all_locks+0x79/0x218 [ 736.765593] 1 lock held by rsyslogd/3551: [ 736.769800] #0: (&f->f_pos_lock){+.+.+.}, at: [] __fdget_pos+0xac/0xd0 [ 736.778793] 2 locks held by getty/3647: [ 736.782744] #0: (&tty->ldisc_sem){++++++}, at: [] ldsem_down_read+0x32/0x40 [ 736.792118] #1: (&ldata->atomic_read_lock){+.+...}, at: [] n_tty_read+0x202/0x16e0 [ 736.802222] 1 lock held by syz-executor0/4152: [ 736.806830] #0: (&lo->lo_ctl_mutex/1){+.+.+.}, at: [] lo_ioctl+0x8b/0x1aa0 [ 736.816205] 1 lock held by blkid/4153: [ 736.820066] #0: (&lo->lo_ctl_mutex/1){+.+.+.}, at: [] lo_ioctl+0x8b/0x1aa0 [ 736.829459] [ 736.831065] ============================================= [ 736.831065] [ 736.838364] NMI backtrace for cpu 1 [ 736.842016] CPU: 1 PID: 519 Comm: khungtaskd Not tainted 4.9.103-g70c65e4 #37 [ 736.849265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 736.858599] ffff8801d8b2fd08 ffffffff81eb3469 0000000000000000 0000000000000001 [ 736.866685] 0000000000000001 0000000000000001 ffffffff810b9590 ffff8801d8b2fd40 [ 736.874683] ffffffff81ebe767 0000000000000001 0000000000000000 0000000000000003 [ 736.882684] Call Trace: [ 736.885251] [] dump_stack+0xc1/0x128 [ 736.890663] [] ? irq_force_complete_move+0x320/0x320 [ 736.897410] [] nmi_cpu_backtrace.cold.2+0x48/0x87 [ 736.903881] [] ? irq_force_complete_move+0x320/0x320 [ 736.910619] [] nmi_trigger_cpumask_backtrace+0x12a/0x14f [ 736.917697] [] arch_trigger_cpumask_backtrace+0x14/0x20 [ 736.924689] [] watchdog+0x6b4/0xa20 [ 736.929961] [] ? watchdog+0x11c/0xa20 [ 736.935530] [] kthread+0x26d/0x300 [ 736.940697] [] ? reset_hung_task_detector+0x20/0x20 [ 736.947343] [] ? kthread_park+0xa0/0xa0 [ 736.952949] [] ? kthread_park+0xa0/0xa0 [ 736.958547] [] ? kthread_park+0xa0/0xa0 [ 736.964150] [] ret_from_fork+0x5c/0x70 [ 736.969776] Sending NMI from CPU 1 to CPUs 0: [ 736.974309] NMI backtrace for cpu 0 skipped: idling at pc 0xffffffff839f6c26 [ 736.981612] Kernel panic - not syncing: hung_task: blocked tasks [ 736.987759] CPU: 1 PID: 519 Comm: khungtaskd Not tainted 4.9.103-g70c65e4 #37 [ 736.995022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.004365] ffff8801d8b2fcc8 ffffffff81eb3469 ffffffff83c8bb80 00000000ffffffff [ 737.012360] 0000000000000000 0000000000000001 dffffc0000000000 ffff8801d8b2fd88 [ 737.020360] ffffffff81421aa5 0000000041b58ab3 ffffffff843b94a8 ffffffff814218e6 [ 737.028366] Call Trace: [ 737.030941] [] dump_stack+0xc1/0x128 [ 737.036298] [] panic+0x1bf/0x3bc [ 737.041296] [] ? add_taint.cold.6+0x16/0x16 [ 737.047247] [] ? ___preempt_schedule+0x16/0x18 [ 737.053461] [] ? nmi_trigger_cpumask_backtrace+0x100/0x14f [ 737.060719] [] watchdog+0x6c5/0xa20 [ 737.065969] [] ? watchdog+0x11c/0xa20 [ 737.071395] [] kthread+0x26d/0x300 [ 737.076567] [] ? reset_hung_task_detector+0x20/0x20 [ 737.083214] [] ? kthread_park+0xa0/0xa0 [ 737.088821] [] ? kthread_park+0xa0/0xa0 [ 737.094421] [] ? kthread_park+0xa0/0xa0 [ 737.100325] [] ret_from_fork+0x5c/0x70 [ 737.106433] Dumping ftrace buffer: [ 737.110001] (ftrace buffer empty) [ 737.113687] Kernel Offset: disabled [ 737.117302] Rebooting in 86400 seconds..