INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "5" 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 '10.128.15.194' (ECDSA) to the list of known hosts. 2018/07/30 12:01:11 parsed 1 programs 2018/07/30 12:01:13 executed programs: 0 [ 784.067371] IPVS: Creating netns size=2536 id=1 [ 784.244210] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 784.257359] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 784.313313] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 784.326011] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 784.385050] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 784.400223] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 784.413777] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 784.435873] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 785.048551] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 785.082301] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 785.088475] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 785.097321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 2018/07/30 12:01:19 executed programs: 5 2018/07/30 12:01:24 executed programs: 11 INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "1" 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 INIT: Id "5" respawning too fast: disabled for 5 minutes [ 1002.902117] INFO: task syz-executor0:4386 blocked for more than 140 seconds. [ 1002.909418] Not tainted 4.9.113-g9905591 #14 [ 1002.914527] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1002.922586] syz-executor0 D29144 4386 3910 0x00000004 [ 1002.928347] ffff8801cf481800 0000000000000000 ffff8801ce2e8000 ffffffff84629800 [ 1002.936507] ffff8801db221c18 ffff8801ba13f680 ffffffff839e929d ffffffff81235647 [ 1002.944647] 0000000000000000 ffff8801cf4820c0 0000000600000007 ffff8801db2224e8 [ 1002.953386] Call Trace: [ 1002.955966] [] ? __schedule+0x64d/0x1bd0 [ 1002.961681] [] ? mark_held_locks+0xc7/0x130 [ 1002.967771] [] ? rwsem_down_read_failed+0x1df/0x320 [ 1002.974527] [] schedule+0x7f/0x1b0 [ 1002.979710] [] rwsem_down_read_failed+0x1e4/0x320 [ 1002.986303] [] ? rt_mutex_futex_unlock+0x10/0x10 [ 1002.992772] [] call_rwsem_down_read_failed+0x18/0x30 [ 1002.999518] [] down_read+0x52/0xb0 [ 1003.004837] [] ? lookup_slow+0x141/0x470 [ 1003.010542] [] lookup_slow+0x141/0x470 [ 1003.017452] [] ? page_put_link+0xd0/0xd0 [ 1003.023266] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1003.030036] [] walk_component+0x716/0x1bb0 [ 1003.036017] [] ? fuse_allow_current_process.part.29+0x260/0x260 [ 1003.043976] [] ? __inode_permission2+0x9b/0x2d0 [ 1003.050290] [] ? path_init+0x1580/0x1580 [ 1003.056361] [] ? link_path_walk+0x8a7/0x1200 [ 1003.062584] [] ? walk_component+0x1bb0/0x1bb0 [ 1003.068827] [] path_lookupat.isra.41+0x186/0x410 [ 1003.075364] [] filename_lookup.part.55+0x177/0x370 [ 1003.081955] [] ? filename_parentat.isra.53.part.54+0x3d0/0x3d0 [ 1003.090308] [] ? strncpy_from_user+0x20d/0x2d0 [ 1003.096627] [] ? getname_flags+0x23a/0x580 [ 1003.102589] [] user_path_at_empty+0x53/0x70 [ 1003.108552] [] vfs_fstatat+0xc6/0x170 [ 1003.114131] [] ? vfs_fstat+0x80/0x80 [ 1003.119492] [] SYSC_newlstat+0x89/0x100 [ 1003.125201] [] ? SYSC_newstat+0xf0/0xf0 [ 1003.130904] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 1003.137316] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 1003.144237] [] ? do_syscall_64+0x48/0x490 [ 1003.150032] [] SyS_newlstat+0x1d/0x30 [ 1003.156455] [] ? SyS_newstat+0x30/0x30 [ 1003.162084] [] do_syscall_64+0x1a6/0x490 [ 1003.167810] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1003.174842] [ 1003.174842] Showing all locks held in the system: [ 1003.181171] 2 locks held by khungtaskd/519: [ 1003.185511] #0: (rcu_read_lock){......}, at: [] watchdog+0x11c/0xa20 [ 1003.194292] #1: (tasklist_lock){.+.+..}, at: [] debug_show_all_locks+0x79/0x218 [ 1003.204027] 2 locks held by getty/3761: [ 1003.207983] #0: (&tty->ldisc_sem){++++++}, at: [] ldsem_down_read+0x32/0x40 [ 1003.217381] #1: (&ldata->atomic_read_lock){+.+...}, at: [] n_tty_read+0x202/0x16e0 [ 1003.227689] 1 lock held by syz-executor0/4386: [ 1003.232280] #0: (&type->i_mutex_dir_key#4){++++++}, at: [] lookup_slow+0x141/0x470 [ 1003.242412] 1 lock held by syz-executor0/4388: [ 1003.246993] #0: (&type->i_mutex_dir_key#4){++++++}, at: [] lookup_slow+0x141/0x470 [ 1003.257121] 2 locks held by syz-executor0/4389: [ 1003.261773] #0: (sb_writers#10){.+.+.+}, at: [] mnt_want_write+0x3f/0xb0 [ 1003.271029] #1: (&type->i_mutex_dir_key#4){++++++}, at: [] chmod_common+0x171/0x450 [ 1003.281238] [ 1003.282885] ============================================= [ 1003.282885] [ 1003.290694] NMI backtrace for cpu 0 [ 1003.294348] CPU: 0 PID: 519 Comm: khungtaskd Not tainted 4.9.113-g9905591 #14 [ 1003.301609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1003.310983] ffff8801d8587d08 ffffffff81eb32a9 0000000000000000 0000000000000000 [ 1003.319056] 0000000000000000 0000000000000001 ffffffff810b9bd0 ffff8801d8587d40 [ 1003.327106] ffffffff81ebe5a7 0000000000000000 0000000000000000 0000000000000003 [ 1003.335244] Call Trace: [ 1003.337824] [] dump_stack+0xc1/0x128 [ 1003.343176] [] ? irq_force_complete_move+0x320/0x320 [ 1003.349917] [] nmi_cpu_backtrace.cold.2+0x48/0x87 [ 1003.356395] [] ? irq_force_complete_move+0x320/0x320 [ 1003.363149] [] nmi_trigger_cpumask_backtrace+0x12a/0x14f [ 1003.370241] [] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1003.377264] [] watchdog+0x6b4/0xa20 [ 1003.382535] [] ? watchdog+0x11c/0xa20 [ 1003.387993] [] kthread+0x26d/0x300 [ 1003.393172] [] ? reset_hung_task_detector+0x20/0x20 [ 1003.399828] [] ? kthread_park+0xa0/0xa0 [ 1003.405441] [] ? kthread_park+0xa0/0xa0 [ 1003.411065] [] ? kthread_park+0xa0/0xa0 [ 1003.416680] [] ret_from_fork+0x5c/0x70 [ 1003.422300] Sending NMI from CPU 0 to CPUs 1: [ 1003.427306] NMI backtrace for cpu 1 [ 1003.430941] CPU: 1 PID: 4385 Comm: syz-executor0 Not tainted 4.9.113-g9905591 #14 [ 1003.438544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1003.448051] task: ffff8801cf97b000 task.stack: ffff8801ba130000 [ 1003.454120] RIP: 0010:[] c [] prepare_to_wait_event+0x99/0x450 [ 1003.463289] RSP: 0018:ffff8801ba1377b8 EFLAGS: 00000046 [ 1003.468716] RAX: 0000000000000001 RBX: 1ffff10037426efa RCX: dffffc0000000000 [ 1003.475975] RDX: ffff8801cf97b000 RSI: 1ffff10039f2f600 RDI: ffff8801cec6a564 [ 1003.483239] RBP: ffff8801ba137858 R08: 0000000000000286 R09: 0000000000000001 [ 1003.490505] R10: ffff8801cf97b000 R11: 1ffff10039f2f722 R12: ffff8801ba137830 [ 1003.497752] R13: ffff8801ba1378b0 R14: ffff8801cec6a560 R15: 0000000000000001 [ 1003.505004] FS: 00007f7956f7e700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 1003.513220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1003.519099] CR2: 00007fc5e01d9280 CR3: 00000001ceee2000 CR4: 00000000001606f0 [ 1003.526366] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1003.533620] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1003.540871] Stack: [ 1003.542998] ffff8801ba1377e0c 0000000000000246c ffff8801cf97b000c 0000000041b58ab3c [ 1003.551212] ffffffff843bbae3c ffffffff81221550c 0000000000000246c ffff8801cf97b000c [ 1003.559428] ffffffff83db4480c 00000000000001ccc 0000000000000000c ffff8801cec6a4c0c [ 1003.567645] Call Trace: [ 1003.570206] [] ? wake_up_atomic_t+0x30/0x30 [ 1003.576162] [] ? __might_sleep+0x95/0x1a0 [ 1003.581947] [] ? init_wait_entry+0xc3/0x100 [ 1003.587894] [] request_wait_answer+0x22e/0x6e0 [ 1003.594115] [] ? flush_bg_queue+0x2b0/0x2b0 [ 1003.600060] [] ? prepare_to_wait_event+0x450/0x450 [ 1003.606612] [] ? __fuse_request_send+0xfe/0x1b0 [ 1003.612918] [] __fuse_request_send+0x109/0x1b0 [ 1003.619127] [] fuse_request_send+0x5d/0x70 [ 1003.624989] [] fuse_simple_request+0x2f4/0x660 [ 1003.631209] [] fuse_do_setattr+0x68b/0x11e0 [ 1003.637157] [] ? fuse_flush_times+0x3a0/0x3a0 [ 1003.643289] [] ? inode_has_perm.isra.32+0x111/0x160 [ 1003.649945] [] ? timespec_trunc+0xc1/0x160 [ 1003.655806] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 1003.662546] [] fuse_setattr+0x1f2/0x510 [ 1003.668145] [] ? fuse_do_setattr+0x11e0/0x11e0 [ 1003.674363] [] notify_change2+0xac0/0xdf0 [ 1003.680149] [] ? security_path_chmod+0x113/0x160 [ 1003.686532] [] chmod_common+0x217/0x450 [ 1003.692132] [] ? SyS_close+0x90/0x90 [ 1003.697483] [] ? strncpy_from_user+0x20d/0x2d0 [ 1003.703700] [] ? kmem_cache_alloc+0x223/0x290 [ 1003.709820] [] SyS_chmod+0xad/0x130 [ 1003.715170] [] ? SyS_fchmodat+0x130/0x130 [ 1003.720942] [] ? do_syscall_64+0x48/0x490 [ 1003.726731] [] ? SyS_fchmodat+0x130/0x130 [ 1003.732506] [] do_syscall_64+0x1a6/0x490 [ 1003.738216] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 1003.745852] Code: c14 c25 cc0 c7d c01 c00 c41 cf6 cc7 c81 c49 c89 cc0 c49 c63 cc7 c0f c84 cc4 c00 c00 c00 c48 cb9 c00 c00 c00 c00 c00 cfc cff cdf c48 c89 cd6 c48 cc1 cee c03 c80 c3c c0e c00 c<0f> c85 cba c02 c00 c00 c48 c8b c0a c83 ce1 c04 c0f c84 c9d c00 c00 c00 c41 c83 ce7 c [ 1003.777437] Kernel panic - not syncing: hung_task: blocked tasks [ 1003.783614] CPU: 0 PID: 519 Comm: khungtaskd Not tainted 4.9.113-g9905591 #14 [ 1003.791304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1003.800646] ffff8801d8587cc8 ffffffff81eb32a9 ffffffff83c8bc20 00000000ffffffff [ 1003.808682] 0000000000000000 0000000000000000 dffffc0000000000 ffff8801d8587d88 [ 1003.816731] ffffffff81421a55 0000000041b58ab3 ffffffff843bb788 ffffffff81421896 [ 1003.824768] Call Trace: [ 1003.827353] [] dump_stack+0xc1/0x128 [ 1003.832704] [] panic+0x1bf/0x3bc [ 1003.837706] [] ? add_taint.cold.6+0x16/0x16 [ 1003.843668] [] ? ___preempt_schedule+0x16/0x18 [ 1003.849890] [] ? nmi_trigger_cpumask_backtrace+0x100/0x14f [ 1003.857152] [] watchdog+0x6c5/0xa20 [ 1003.862419] [] ? watchdog+0x11c/0xa20 [ 1003.868144] [] kthread+0x26d/0x300 [ 1003.873324] [] ? reset_hung_task_detector+0x20/0x20 [ 1003.880067] [] ? kthread_park+0xa0/0xa0 [ 1003.886384] [] ? kthread_park+0xa0/0xa0 [ 1003.892001] [] ? kthread_park+0xa0/0xa0 [ 1003.897626] [] ret_from_fork+0x5c/0x70 [ 1003.903860] Dumping ftrace buffer: [ 1003.907537] (ftrace buffer empty) [ 1003.911253] Kernel Offset: disabled [ 1003.914872] Rebooting in 86400 seconds..