INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "6" 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 [ 550.893725] random: crng init done Warning: Permanently added '10.128.10.6' (ECDSA) to the list of known hosts. 2018/07/10 02:51:43 parsed 1 programs 2018/07/10 02:51:45 executed programs: 0 [ 569.028045] IPVS: Creating netns size=2536 id=1 [ 569.159749] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 569.171050] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 569.215734] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 569.226652] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 569.274542] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 569.285876] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 569.296984] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 569.317979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 569.802532] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 569.825320] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 569.831417] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 569.838840] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 716.012359] INFO: task syz-executor0:4295 blocked for more than 140 seconds. [ 716.019580] Not tainted 4.9.111-g03c70fe #10 [ 716.024665] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.032683] syz-executor0 D28912 4295 3919 0x20020004 [ 716.038476] ffff8801cfbe3000 0000000000000000 ffff8801cee1c540 ffff8801d9a6b000 [ 716.046560] ffff8801db321c18 ffff8801cef17b90 ffffffff839e7ded 0000000000000002 [ 716.054915] 0000000041b58ab3 ffffffff843bac1b 00ffffff81221510 ffff8801db3224e8 [ 716.062962] Call Trace: [ 716.065628] [] ? __schedule+0x64d/0x1bd0 [ 716.071380] [] schedule+0x7f/0x1b0 [ 716.076610] [] blk_mq_freeze_queue_wait+0x114/0x230 [ 716.083273] [] ? plug_ctx_cmp+0x100/0x100 [ 716.089071] [] ? prepare_to_wait_event+0x450/0x450 [ 716.095678] [] blk_mq_freeze_queue+0x1d/0x20 [ 716.101830] [] lo_ioctl+0x722/0x1aa0 [ 716.107709] [] lo_compat_ioctl+0xb2/0x140 [ 716.113515] [] ? lo_ioctl+0x1aa0/0x1aa0 [ 716.119165] [] compat_blkdev_ioctl+0x3a5/0x3ad0 [ 716.125506] [] ? cfq_dispatch_requests+0x2ef0/0x2ef0 [ 716.132310] [] ? compat_SyS_futex+0x1e1/0x2f0 [ 716.138459] [] ? security_file_ioctl+0x8f/0xc0 [ 716.144737] [] compat_SyS_ioctl+0x126/0x1fe0 [ 716.150783] [] ? cfq_dispatch_requests+0x2ef0/0x2ef0 [ 716.157543] [] ? do_ioctl+0x60/0x60 [ 716.162809] [] do_fast_syscall_32+0x2f7/0x870 [ 716.168943] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.175661] [] entry_SYSENTER_compat+0x90/0xa2 [ 716.181888] [ 716.181888] Showing all locks held in the system: [ 716.188571] 2 locks held by khungtaskd/519: [ 716.192893] #0: (rcu_read_lock){......}, at: [] watchdog+0x11c/0xa20 [ 716.201671] #1: (tasklist_lock){.+.+..}, at: [] debug_show_all_locks+0x79/0x218 [ 716.211383] 1 lock held by rsyslogd/3673: [ 716.215534] #0: (&f->f_pos_lock){+.+.+.}, at: [] __fdget_pos+0xac/0xd0 [ 716.224459] 2 locks held by getty/3769: [ 716.228406] #0: (&tty->ldisc_sem){++++++}, at: [] ldsem_down_read+0x32/0x40 [ 716.237733] #1: (&ldata->atomic_read_lock){+.+...}, at: [] n_tty_read+0x202/0x16e0 [ 716.247707] 1 lock held by syz-executor0/4295: [ 716.252276] #0: (&lo->lo_ctl_mutex/1){+.+.+.}, at: [] lo_ioctl+0x8b/0x1aa0 [ 716.261609] 1 lock held by blkid/4296: [ 716.265490] #0: (&lo->lo_ctl_mutex/1){+.+.+.}, at: [] lo_ioctl+0x8b/0x1aa0 [ 716.274857] [ 716.276464] ============================================= [ 716.276464] [ 716.283572] NMI backtrace for cpu 1 [ 716.287180] CPU: 1 PID: 519 Comm: khungtaskd Not tainted 4.9.111-g03c70fe #10 [ 716.294427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.303759] ffff8801d961fd08 ffffffff81eb2729 0000000000000000 0000000000000001 [ 716.311737] 0000000000000001 0000000000000001 ffffffff810b9af0 ffff8801d961fd40 [ 716.319715] ffffffff81ebda27 0000000000000001 0000000000000000 0000000000000003 [ 716.327691] Call Trace: [ 716.330283] [] dump_stack+0xc1/0x128 [ 716.335660] [] ? irq_force_complete_move+0x320/0x320 [ 716.342479] [] nmi_cpu_backtrace.cold.2+0x48/0x87 [ 716.348951] [] ? irq_force_complete_move+0x320/0x320 [ 716.355679] [] nmi_trigger_cpumask_backtrace+0x12a/0x14f [ 716.362759] [] arch_trigger_cpumask_backtrace+0x14/0x20 [ 716.369747] [] watchdog+0x6b4/0xa20 [ 716.374996] [] ? watchdog+0x11c/0xa20 [ 716.380478] [] kthread+0x26d/0x300 [ 716.385650] [] ? reset_hung_task_detector+0x20/0x20 [ 716.392292] [] ? kthread_park+0xa0/0xa0 [ 716.397890] [] ? kthread_park+0xa0/0xa0 [ 716.403485] [] ? kthread_park+0xa0/0xa0 [ 716.409082] [] ret_from_fork+0x5c/0x70 [ 716.414712] Sending NMI from CPU 1 to CPUs 0: [ 716.419226] NMI backtrace for cpu 0 skipped: idling at pc 0xffffffff839f78f6 [ 716.426831] Kernel panic - not syncing: hung_task: blocked tasks [ 716.432958] CPU: 1 PID: 519 Comm: khungtaskd Not tainted 4.9.111-g03c70fe #10 [ 716.440201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.449532] ffff8801d961fcc8 ffffffff81eb2729 ffffffff83c8bc20 00000000ffffffff [ 716.457517] 0000000000000000 0000000000000001 dffffc0000000000 ffff8801d961fd88 [ 716.465524] ffffffff814219f5 0000000041b58ab3 ffffffff843ba8c0 ffffffff81421836 [ 716.473503] Call Trace: [ 716.476066] [] dump_stack+0xc1/0x128 [ 716.481422] [] panic+0x1bf/0x3bc [ 716.486413] [] ? add_taint.cold.6+0x16/0x16 [ 716.492362] [] ? ___preempt_schedule+0x16/0x18 [ 716.498569] [] ? nmi_trigger_cpumask_backtrace+0x100/0x14f [ 716.505829] [] watchdog+0x6c5/0xa20 [ 716.511077] [] ? watchdog+0x11c/0xa20 [ 716.516537] [] kthread+0x26d/0x300 [ 716.521708] [] ? reset_hung_task_detector+0x20/0x20 [ 716.528347] [] ? kthread_park+0xa0/0xa0 [ 716.533945] [] ? kthread_park+0xa0/0xa0 [ 716.539543] [] ? kthread_park+0xa0/0xa0 [ 716.545152] [] ret_from_fork+0x5c/0x70 [ 716.551198] Dumping ftrace buffer: [ 716.554761] (ftrace buffer empty) [ 716.558445] Kernel Offset: disabled [ 716.562053] Rebooting in 86400 seconds..