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 "6" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.0.20' (ECDSA) to the list of known hosts. 2018/07/08 08:10:39 parsed 1 programs 2018/07/08 08:10:41 executed programs: 0 [ 557.270437] IPVS: Creating netns size=2536 id=1 [ 557.391442] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 557.403016] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 557.445494] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 557.457080] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 557.499379] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 557.511031] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 557.522942] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 557.543528] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 558.013582] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 558.039151] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 558.045336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 558.052066] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 716.094360] INFO: task syz-executor0:4273 blocked for more than 140 seconds. [ 716.101581] Not tainted 4.9.111-g03c70fe #10 [ 716.106523] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.114668] syz-executor0 D29072 4273 3895 0x20020004 [ 716.120461] ffff8801cff36000 0000000000000000 ffff8801d8149a40 ffffffff84629800 [ 716.128551] ffff8801db221c18 ffff8801d028fb90 ffffffff839e7ded 0000000000000002 [ 716.136573] 0000000041b58ab3 ffffffff843bac1b 00ffffff81221510 ffff8801db2224e8 [ 716.144782] Call Trace: [ 716.147515] [] ? __schedule+0x64d/0x1bd0 [ 716.153212] [] schedule+0x7f/0x1b0 [ 716.158466] [] blk_mq_freeze_queue_wait+0x114/0x230 [ 716.165218] [] ? plug_ctx_cmp+0x100/0x100 [ 716.171038] [] ? prepare_to_wait_event+0x450/0x450 [ 716.177637] [] blk_mq_freeze_queue+0x1d/0x20 [ 716.183738] [] lo_ioctl+0x722/0x1aa0 [ 716.189114] [] lo_compat_ioctl+0xb2/0x140 [ 716.194908] [] ? lo_ioctl+0x1aa0/0x1aa0 [ 716.200544] [] compat_blkdev_ioctl+0x3a5/0x3ad0 [ 716.206887] [] ? __fget+0x20a/0x3b0 [ 716.212138] [] ? cfq_dispatch_requests+0x2ef0/0x2ef0 [ 716.218889] [] ? __fget+0x231/0x3b0 [ 716.224142] [] ? __fget+0x47/0x3b0 [ 716.229365] [] ? security_file_ioctl+0x8f/0xc0 [ 716.235671] [] compat_SyS_ioctl+0x126/0x1fe0 [ 716.241713] [] ? cfq_dispatch_requests+0x2ef0/0x2ef0 [ 716.248579] [] ? do_ioctl+0x60/0x60 [ 716.253856] [] do_fast_syscall_32+0x2f7/0x870 [ 716.260014] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.266681] [] entry_SYSENTER_compat+0x90/0xa2 [ 716.273080] [ 716.273080] Showing all locks held in the system: [ 716.279418] 2 locks held by khungtaskd/519: [ 716.283725] #0: (rcu_read_lock){......}, at: [] watchdog+0x11c/0xa20 [ 716.292550] #1: (tasklist_lock){.+.+..}, at: [] debug_show_all_locks+0x79/0x218 [ 716.302294] 1 lock held by rsyslogd/3649: [ 716.306449] #0: (&f->f_pos_lock){+.+.+.}, at: [] __fdget_pos+0xac/0xd0 [ 716.315340] 2 locks held by getty/3745: [ 716.319285] #0: (&tty->ldisc_sem){++++++}, at: [] ldsem_down_read+0x32/0x40 [ 716.328604] #1: (&ldata->atomic_read_lock){+.+...}, at: [] n_tty_read+0x202/0x16e0 [ 716.338564] 1 lock held by syz-executor0/4273: [ 716.343117] #0: (&lo->lo_ctl_mutex/1){+.+.+.}, at: [] lo_ioctl+0x8b/0x1aa0 [ 716.352511] [ 716.354112] ============================================= [ 716.354112] [ 716.361191] NMI backtrace for cpu 0 [ 716.364820] CPU: 0 PID: 519 Comm: khungtaskd Not tainted 4.9.111-g03c70fe #10 [ 716.372086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.381415] ffff8801d844fd08 ffffffff81eb2729 0000000000000000 0000000000000000 [ 716.389524] 0000000000000000 0000000000000001 ffffffff810b9af0 ffff8801d844fd40 [ 716.397629] ffffffff81ebda27 0000000000000000 0000000000000000 0000000000000003 [ 716.405640] Call Trace: [ 716.408250] [] dump_stack+0xc1/0x128 [ 716.413642] [] ? irq_force_complete_move+0x320/0x320 [ 716.420371] [] nmi_cpu_backtrace.cold.2+0x48/0x87 [ 716.426833] [] ? irq_force_complete_move+0x320/0x320 [ 716.433555] [] nmi_trigger_cpumask_backtrace+0x12a/0x14f [ 716.440627] [] arch_trigger_cpumask_backtrace+0x14/0x20 [ 716.447613] [] watchdog+0x6b4/0xa20 [ 716.452867] [] ? watchdog+0x11c/0xa20 [ 716.458481] [] kthread+0x26d/0x300 [ 716.463651] [] ? reset_hung_task_detector+0x20/0x20 [ 716.470301] [] ? kthread_park+0xa0/0xa0 [ 716.475896] [] ? kthread_park+0xa0/0xa0 [ 716.481490] [] ? kthread_park+0xa0/0xa0 [ 716.487094] [] ret_from_fork+0x5c/0x70 [ 716.492734] Sending NMI from CPU 0 to CPUs 1: [ 716.497476] NMI backtrace for cpu 1 [ 716.501114] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.9.111-g03c70fe #10 [ 716.508099] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.517430] task: ffff8801d9a6b000 task.stack: ffff8801d9a80000 [ 716.523469] RIP: 0010:[] c [] __local_bh_disable_ip+0x0/0x110 [ 716.532540] RSP: 0018:ffff8801db307fc0 EFLAGS: 00000046 [ 716.537967] RAX: 0000000080000001 RBX: ffff8801d9a6b000 RCX: 1ffffffff0886681 [ 716.545208] RDX: 1ffff1003b34d6a4 RSI: 0000000000000200 RDI: ffffffff8114b0bd [ 716.552450] RBP: ffff8801db307fd0 R08: 0000000000000000 R09: 0000000000000000 [ 716.559689] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 716.566967] R13: 0000000000000001 R14: ffffffff84c5e688 R15: 0000000000000000 [ 716.574206] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 716.582399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 716.588247] CR2: 00007f6304acc000 CR3: 00000001c036a000 CR4: 00000000001606f0 [ 716.595501] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 716.602746] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 716.609986] Stack: [ 716.612105] ffffffff8114b0cec ffffffff84c4e548c ffff8801db307fe8c ffffffff839fd3fac [ 716.620300] ffffffff84c4e548c ffff8801d9a87d98c ffffffff839fafd0c ffff8801d9a87ce8c c [ 716.629279] 0000000000000000c ffffffff84c5e688c 0000000000000001c 0000000000000000c [ 716.637545] Call Trace: [ 716.640097] d [] ? irq_enter+0xae/0xd0 [ 716.646209] [] smp_reschedule_interrupt+0xa/0x90 [ 716.652582] [] reschedule_interrupt+0xa0/0xb0 [ 716.658694] d [] ? native_safe_halt+0x6/0x10 [ 716.665327] [] ? trace_hardirqs_on+0xd/0x10 [ 716.671268] [] default_idle+0x55/0x360 [ 716.676792] [] arch_cpu_idle+0x10/0x20 [ 716.682312] [] default_idle_call+0x45/0x60 [ 716.688164] [] cpu_startup_entry+0x2b5/0x380 [ 716.694187] [] ? cpu_in_idle+0x20/0x20 [ 716.699689] [] start_secondary+0x328/0x400 [ 716.705549] [] ? set_cpu_sibling_map+0x1300/0x1300 [ 716.712098] Code: c3f c00 c48 c8b c85 c50 cff cff cff ce9 c69 cff cff cff ce8 c48 c25 c3f c00 ce9 cbb cfe cff cff ce8 cbe ccb cfe cff c0f c1f c40 c00 c66 c2e c0f c1f c84 c00 c00 c00 c00 c00 c<55> c48 c89 ce5 c41 c55 c49 c89 cfd c41 c54 c53 c89 cf3 c65 c8b c05 ccb ce6 cec c7e c [ 716.742506] Kernel panic - not syncing: hung_task: blocked tasks [ 716.748657] CPU: 0 PID: 519 Comm: khungtaskd Not tainted 4.9.111-g03c70fe #10 [ 716.755904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.765235] ffff8801d844fcc8 ffffffff81eb2729 ffffffff83c8bc20 00000000ffffffff [ 716.773230] 0000000000000000 0000000000000000 dffffc0000000000 ffff8801d844fd88 [ 716.781225] ffffffff814219f5 0000000041b58ab3 ffffffff843ba8c0 ffffffff81421836 [ 716.789223] Call Trace: [ 716.791786] [] dump_stack+0xc1/0x128 [ 716.797125] [] panic+0x1bf/0x3bc [ 716.802115] [] ? add_taint.cold.6+0x16/0x16 [ 716.808061] [] ? ___preempt_schedule+0x16/0x18 [ 716.814271] [] ? nmi_trigger_cpumask_backtrace+0x100/0x14f [ 716.821788] [] watchdog+0x6c5/0xa20 [ 716.827041] [] ? watchdog+0x11c/0xa20 [ 716.832463] [] kthread+0x26d/0x300 [ 716.837626] [] ? reset_hung_task_detector+0x20/0x20 [ 716.844266] [] ? kthread_park+0xa0/0xa0 [ 716.849882] [] ? kthread_park+0xa0/0xa0 [ 716.855494] [] ? kthread_park+0xa0/0xa0 [ 716.861092] [] ret_from_fork+0x5c/0x70 [ 716.867336] Dumping ftrace buffer: [ 716.870904] (ftrace buffer empty) [ 716.874675] Kernel Offset: disabled [ 716.878284] Rebooting in 86400 seconds..