INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "3" 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 "5" respawning too fast: disabled for 5 minutes Warning: Permanently added '10.128.10.2' (ECDSA) to the list of known hosts. 2018/04/03 12:22:36 parsed 1 programs 2018/04/03 12:22:36 executed programs: 0 [ 563.393337] IPVS: Creating netns size=2536 id=1 RESULT: signal 0, coverage 0 errno 0 [ 564.534484] Buffer I/O error on dev loop0, logical block 0, lost async page write [ 564.542203] Buffer I/O error on dev loop0, logical block 1, lost async page write [ 564.550091] Buffer I/O error on dev loop0, logical block 2, lost async page write [ 564.557703] Buffer I/O error on dev loop0, logical block 3, lost async page write [ 564.565424] Buffer I/O error on dev loop0, logical block 4, lost async page write [ 564.573068] Buffer I/O error on dev loop0, logical block 5, lost async page write RESULT: signal 0, coverage 0 errno 0 [ 564.581017] Buffer I/O error on dev loop0, logical block 6, lost async page write [ 564.588659] Buffer I/O error on dev loop0, logical block 7, lost async page write [ 564.596354] Buffer I/O error on dev loop0, logical block 8, lost async page write [ 564.603987] Buffer I/O error on dev loop0, logical block 9, lost async page write RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 2018/04/03 12:22:42 executed programs: 6 [ 569.640085] buffer_io_error: 70 callbacks suppressed [ 569.640091] Buffer I/O error on dev loop0, logical block 0, lost async page write [ 569.652863] Buffer I/O error on dev loop0, logical block 1, lost async page write [ 569.660811] Buffer I/O error on dev loop0, logical block 2, lost async page write [ 569.668554] Buffer I/O error on dev loop0, logical block 3, lost async page write [ 569.676159] Buffer I/O error on dev loop0, logical block 4, lost async page write RESULT: signal 0, coverage 0 errno 0 [ 569.683856] Buffer I/O error on dev loop0, logical block 5, lost async page write [ 569.691486] Buffer I/O error on dev loop0, logical block 6, lost async page write [ 569.699102] Buffer I/O error on dev loop0, logical block 7, lost async page write [ 569.706705] Buffer I/O error on dev loop0, logical block 8, lost async page write [ 569.714354] Buffer I/O error on dev loop0, logical block 9, lost async page write RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 2018/04/03 12:22:47 executed programs: 11 [ 574.748493] buffer_io_error: 70 callbacks suppressed [ 574.748498] Buffer I/O error on dev loop0, logical block 0, lost async page write [ 574.761278] Buffer I/O error on dev loop0, logical block 1, lost async page write [ 574.769164] Buffer I/O error on dev loop0, logical block 2, lost async page write [ 574.776770] Buffer I/O error on dev loop0, logical block 3, lost async page write [ 574.784467] Buffer I/O error on dev loop0, logical block 4, lost async page write RESULT: signal 0, coverage 0 errno 0 [ 574.792100] Buffer I/O error on dev loop0, logical block 5, lost async page write [ 574.799721] Buffer I/O error on dev loop0, logical block 6, lost async page write [ 574.807328] Buffer I/O error on dev loop0, logical block 7, lost async page write [ 574.814955] Buffer I/O error on dev loop0, logical block 8, lost async page write [ 574.822572] Buffer I/O error on dev loop0, logical block 9, lost async page write RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 2018/04/03 12:22:52 executed programs: 16 [ 579.851183] buffer_io_error: 70 callbacks suppressed [ 579.851189] Buffer I/O error on dev loop0, logical block 0, lost async page write [ 579.863962] Buffer I/O error on dev loop0, logical block 1, lost async page write [ 579.871930] Buffer I/O error on dev loop0, logical block 2, lost async page write [ 579.879701] Buffer I/O error on dev loop0, logical block 3, lost async page write [ 579.887321] Buffer I/O error on dev loop0, logical block 4, lost async page write RESULT: signal 0, coverage 0 errno 0 [ 579.895040] Buffer I/O error on dev loop0, logical block 5, lost async page write [ 579.902679] Buffer I/O error on dev loop0, logical block 6, lost async page write [ 579.910300] Buffer I/O error on dev loop0, logical block 7, lost async page write [ 579.917911] Buffer I/O error on dev loop0, logical block 8, lost async page write [ 579.925550] Buffer I/O error on dev loop0, logical block 9, lost async page write RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 2018/04/03 12:22:57 executed programs: 21 [ 584.954971] buffer_io_error: 70 callbacks suppressed [ 584.954976] Buffer I/O error on dev loop0, logical block 0, lost async page write [ 584.967757] Buffer I/O error on dev loop0, logical block 1, lost async page write [ 584.975402] Buffer I/O error on dev loop0, logical block 2, lost async page write [ 584.983235] Buffer I/O error on dev loop0, logical block 3, lost async page write [ 584.990877] Buffer I/O error on dev loop0, logical block 4, lost async page write RESULT: signal 0, coverage 0 errno 0 [ 584.998532] Buffer I/O error on dev loop0, logical block 5, lost async page write [ 585.006152] Buffer I/O error on dev loop0, logical block 6, lost async page write [ 585.013827] Buffer I/O error on dev loop0, logical block 7, lost async page write [ 585.021493] Buffer I/O error on dev loop0, logical block 8, lost async page write [ 585.029126] Buffer I/O error on dev loop0, logical block 9, lost async page write RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 2018/04/03 12:23:02 executed programs: 26 [ 590.061866] buffer_io_error: 70 callbacks suppressed [ 590.061872] Buffer I/O error on dev loop0, logical block 0, lost async page write [ 590.074654] Buffer I/O error on dev loop0, logical block 1, lost async page write [ 590.082623] Buffer I/O error on dev loop0, logical block 2, lost async page write [ 590.090372] Buffer I/O error on dev loop0, logical block 3, lost async page write [ 590.097978] Buffer I/O error on dev loop0, logical block 4, lost async page write RESULT: signal 0, coverage 0 errno 0 [ 590.105719] Buffer I/O error on dev loop0, logical block 5, lost async page write [ 590.113359] Buffer I/O error on dev loop0, logical block 6, lost async page write [ 590.120982] Buffer I/O error on dev loop0, logical block 7, lost async page write [ 590.128607] Buffer I/O error on dev loop0, logical block 8, lost async page write [ 590.136213] Buffer I/O error on dev loop0, logical block 9, lost async page write RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 RESULT: signal 0, coverage 0 errno 0 [ 625.550056] buffer_io_error: 55 callbacks suppressed [ 625.550062] Buffer I/O error on dev loop0, logical block 16, async page read [ 687.589804] Buffer I/O error on dev loop0, logical block 16, async page read [ 736.458525] INFO: task syz-executor0:3944 blocked for more than 120 seconds. [ 736.465732] Not tainted 4.9.92-g40a1830 #11 [ 736.470579] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 736.478532] syz-executor0 D25824 3944 3903 0x20020004 [ 736.484313] ffff8801d6ee0000 0000000000000000 ffff8801d68339c0 ffff8801d9b73000 [ 736.492413] ffff8801db321b98 ffff8801d5776f80 ffffffff838a76cb 0000000041b58ab3 [ 736.500450] ffffffff84193da8 00ffffff8123ac80 ffff8801db322468 ffff8801db322490 [ 736.508496] Call Trace: [ 736.511110] [] ? __schedule+0x67b/0x1ba0 [ 736.516791] [] schedule+0x7f/0x1b0 [ 736.522006] [] schedule_timeout+0x56c/0x10b0 [ 736.528041] [] ? usleep_range+0x140/0x140 [ 736.533898] [] ? kvm_clock_read+0x23/0x40 [ 736.539692] [] ? kvm_clock_get_cycles+0x9/0x10 [ 736.545911] [] ? ktime_get+0x13d/0x1d0 [ 736.551485] [] ? __delayacct_blkio_start+0x41/0x80 [ 736.558045] [] io_schedule_timeout+0x1be/0x390 [ 736.564275] [] bit_wait_io+0x19/0xa0 [ 736.569620] [] __wait_on_bit_lock+0xc2/0x1c0 [ 736.575683] [] ? __block_write_full_page+0x3be/0x870 [ 736.582436] [] ? bit_wait+0x90/0x90 [ 736.587696] [] __lock_page+0xff/0x160 [ 736.593162] [] ? unlock_page+0x110/0x110 [ 736.598892] [] ? autoremove_wake_function+0x90/0x90 [ 736.605566] [] ? __might_sleep+0x95/0x1a0 [ 736.611421] [] write_cache_pages+0x833/0xec0 [ 736.617482] [] ? do_splice_direct+0x1a7/0x270 [ 736.623663] [] ? do_sendfile+0x54b/0xd30 [ 736.629362] [] ? bdi_set_max_ratio+0x130/0x130 [ 736.635743] [] ? clear_page_dirty_for_io+0x4d0/0x4d0 [ 736.642560] [] ? check_preemption_disabled+0x3b/0x200 [ 736.649416] [] ? check_preemption_disabled+0x3b/0x200 [ 736.656239] [] ? balance_dirty_pages_ratelimited+0x47f/0x23c0 [ 736.663777] [] generic_writepages+0xda/0x150 [ 736.669837] [] ? write_cache_pages+0xec0/0xec0 [ 736.676051] [] ? blkdev_readpages+0x40/0x40 [ 736.682026] [] blkdev_writepages+0x1d/0x30 [ 736.687884] [] do_writepages+0xed/0x1c0 [ 736.693525] [] ? page_writeback_cpu_online+0x20/0x20 [ 736.700271] [] __filemap_fdatawrite_range+0x1b3/0x250 [ 736.707087] [] ? replace_page_cache_page+0x610/0x610 [ 736.713854] [] ? page_endio+0x180/0x180 [ 736.719537] [] ? file_update_time+0xbc/0x3b0 [ 736.725573] [] filemap_write_and_wait_range+0x59/0xb0 [ 736.732419] [] blkdev_fsync+0x66/0xb0 [ 736.737843] [] ? thaw_bdev+0x180/0x180 [ 736.743376] [] vfs_fsync_range+0x10a/0x250 [ 736.749267] [] blkdev_write_iter+0x2a6/0x380 [ 736.755295] [] ? bd_acquire+0x250/0x250 [ 736.760964] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 736.767789] [] vfs_iter_write+0x2e0/0x450 [ 736.773607] [] ? check_preemption_disabled+0x3b/0x200 [ 736.780435] [] ? vfs_iter_read+0x3f0/0x3f0 [ 736.786292] [] ? splice_from_pipe_next.part.10+0x22e/0x2f0 [ 736.793593] [] ? __kmalloc+0x11d/0x310 [ 736.799122] [] iter_file_splice_write+0x5b5/0xb60 [ 736.805585] [] ? page_cache_pipe_buf_release+0x130/0x130 [ 736.812715] [] ? selinux_file_permission+0x82/0x460 [ 736.819375] [] ? rw_verify_area+0xe5/0x2b0 [ 736.825232] [] ? page_cache_pipe_buf_release+0x130/0x130 [ 736.832361] [] direct_splice_actor+0x125/0x180 [ 736.838585] [] splice_direct_to_actor+0x2cc/0x800 [ 736.845049] [] ? generic_pipe_buf_nosteal+0x10/0x10 [ 736.851711] [] ? do_splice_to+0x160/0x160 [ 736.857526] [] ? security_file_permission+0x89/0x1e0 [ 736.864317] [] ? rw_verify_area+0xe5/0x2b0 [ 736.870188] [] do_splice_direct+0x1a7/0x270 [ 736.876129] [] ? splice_direct_to_actor+0x800/0x800 [ 736.882807] [] ? rw_verify_area+0xe5/0x2b0 [ 736.888696] [] do_sendfile+0x54b/0xd30 [ 736.894205] [] ? do_compat_pwritev64+0x100/0x100 [ 736.900664] [] ? __might_fault+0x114/0x1d0 [ 736.906540] [] compat_SyS_sendfile+0xd1/0x160 [ 736.912694] [] ? SyS_sendfile64+0x160/0x160 [ 736.918708] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 736.924836] [] ? do_fast_syscall_32+0xcf/0x870 [ 736.931067] [] ? SyS_sendfile64+0x160/0x160 [ 736.937016] [] do_fast_syscall_32+0x2f5/0x870 [ 736.943200] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 736.949856] [] entry_SYSENTER_compat+0x90/0xa2 [ 736.956057] [ 736.956057] Showing all locks held in the system: [ 736.962376] 2 locks held by khungtaskd/515: [ 736.966666] #0: (rcu_read_lock){......}, at: [] watchdog+0x125/0xa70 [ 736.975362] #1: (tasklist_lock){.+.+..}, at: [] debug_show_all_locks+0x70/0x280 [ 736.985066] 3 locks held by kworker/u4:3/1805: [ 736.989644] #0: ("writeback"){.+.+.+}, at: [] process_one_work+0x6f2/0x1610 [ 736.998998] #1: ((&(&wb->dwork)->work)){+.+.+.}, at: [] process_one_work+0x72c/0x1610 [ 737.009186] #2: (&type->s_umount_key#29){.+.+..}, at: [] trylock_super+0x20/0x100 [ 737.019137] 1 lock held by rsyslogd/3659: [ 737.023254] #0: (&f->f_pos_lock){+.+.+.}, at: [] __fdget_pos+0x9f/0xc0 [ 737.032135] 2 locks held by getty/3755: [ 737.036078] #0: (&tty->ldisc_sem){++++++}, at: [] ldsem_down_read+0x32/0x40 [ 737.045389] #1: (&ldata->atomic_read_lock){+.+...}, at: [] n_tty_read+0x1f4/0x16c0 [ 737.055359] [ 737.056958] ============================================= [ 737.056958] [ 737.064028] NMI backtrace for cpu 0 [ 737.067636] CPU: 0 PID: 515 Comm: khungtaskd Not tainted 4.9.92-g40a1830 #11 [ 737.074793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.084122] ffff8801d8467d00 ffffffff81d95109 0000000000000000 0000000000000000 [ 737.092107] 0000000000000000 0000000000000001 ffffffff810bb8f0 ffff8801d8467d38 [ 737.100093] ffffffff81da025d 0000000000000000 0000000000000000 ffff8801d6ee0418 [ 737.108064] Call Trace: [ 737.110657] [] dump_stack+0xc1/0x128 [ 737.115991] [] ? irq_force_complete_move+0x390/0x390 [ 737.122712] [] nmi_cpu_backtrace+0xfd/0x120 [ 737.128652] [] ? irq_force_complete_move+0x390/0x390 [ 737.135388] [] nmi_trigger_cpumask_backtrace+0x117/0x190 [ 737.142456] [] arch_trigger_cpumask_backtrace+0x14/0x20 [ 737.149440] [] watchdog+0x6f0/0xa70 [ 737.154694] [] ? watchdog+0x125/0xa70 [ 737.160112] [] kthread+0x26d/0x300 [ 737.165269] [] ? reset_hung_task_detector+0x20/0x20 [ 737.171914] [] ? kthread_park+0xa0/0xa0 [ 737.177509] [] ? kthread_park+0xa0/0xa0 [ 737.183100] [] ? kthread_park+0xa0/0xa0 [ 737.188694] [] ret_from_fork+0x5c/0x70 [ 737.194300] Sending NMI from CPU 0 to CPUs 1: [ 737.199138] NMI backtrace for cpu 1 [ 737.202763] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.9.92-g40a1830 #11 [ 737.209656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.218982] task: ffff8801d9b73000 task.stack: ffff8801d9b88000 [ 737.225010] RIP: 0010:[] c [] __lock_acquire+0x8c2/0x3640 [ 737.233726] RSP: 0018:ffff8801d9b8fac0 EFLAGS: 00000046 [ 737.239316] RAX: dffffc0000000000 RBX: ffff8801d9b738b0 RCX: 1ffff1003b36e71a [ 737.246558] RDX: ffff8801d9b738a8 RSI: 000000006e84b7f3 RDI: ffffffff84d0c298 [ 737.253795] RBP: ffff8801d9b8fc78 R08: 0000000000000001 R09: 0000000000000001 [ 737.261127] R10: 0000000000000000 R11: ffff8801d9b73000 R12: ffffffff84d0c288 [ 737.268367] R13: 00000000fff7565d R14: 643e07b86e84b7f3 R15: 0000000000000001 [ 737.275787] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 737.283981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 737.289827] CR2: 000000c42044b038 CR3: 00000001ca1a6000 CR4: 0000000000160670 [ 737.297068] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 737.304744] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 737.311984] Stack: [ 737.314098] ffff8801d9b738a8c 0000000000000046c ffff8801d9b73000c ffffffff844ddde0c [ 737.322290] ffff8801d71a4a80c 0000000000000001c ffff8801d9b8fb18c 0000000000000046c [ 737.330482] 0000000000000003c ffff8801db321c20c ffff8801d71a4a70c ffff8801d9b8fb30c [ 737.338675] Call Trace: [ 737.341229] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 737.348209] [] ? set_next_entity+0x1bf/0xbe0 [ 737.354231] [] ? pick_next_entity+0x197/0x400 [ 737.360340] [] ? check_preemption_disabled+0x3b/0x200 [ 737.367146] [] ? pick_next_task_fair+0xb20/0x1fe0 [ 737.373603] [] lock_acquire+0x12e/0x410 [ 737.379193] [] ? finish_task_switch+0x1c1/0x630 [ 737.385478] [] ? check_preemption_disabled+0x3b/0x200 [ 737.392286] [] finish_task_switch+0x1e5/0x630 [ 737.398494] [] ? finish_task_switch+0x1c1/0x630 [ 737.404782] [] ? __schedule+0x64d/0x1ba0 [ 737.410465] [] __schedule+0x683/0x1ba0 [ 737.415971] [] ? check_preemption_disabled+0x3b/0x200 [ 737.422782] [] schedule+0x7f/0x1b0 [ 737.427945] [] schedule_preempt_disabled+0x13/0x20 [ 737.434486] [] cpu_startup_entry+0x297/0x380 [ 737.440507] [] ? cpu_in_idle+0x20/0x20 [ 737.446014] [] ? clockevents_register_device+0x123/0x200 [ 737.453089] [] start_secondary+0x303/0x3e0 [ 737.458938] [] ? set_cpu_sibling_map+0x11f0/0x11f0 [ 737.465486] Code: c00 cfc cff cdf c48 cc1 cea c03 c80 c3c c02 c00 c0f c85 c91 c28 c00 c00 c48 c8b c94 c24 c90 c00 c00 c00 c4d c89 cb3 ca0 c08 c00 c00 c48 cb8 c00 c00 c00 c00 c00 cfc cff cdf c<48> cc1 cea c03 c0f cb6 c04 c02 c84 cc0 c74 c08 c3c c03 c0f c8e c42 c28 c00 c00 c41 c [ 737.495894] Kernel panic - not syncing: hung_task: blocked tasks [ 737.502041] CPU: 0 PID: 515 Comm: khungtaskd Not tainted 4.9.92-g40a1830 #11 [ 737.509197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.518526] ffff8801d8467cb8 ffffffff81d95109 ffffffff83a8b220 ffff8801d8467d90 [ 737.526499] ffff8801d6ee0400 dffffc0000000000 ffffffff84409000 ffff8801d8467d80 [ 737.534468] ffffffff8142e791 0000000041b58ab3 ffffffff8418b7b8 ffffffff8142e5d5 [ 737.542449] Call Trace: [ 737.545015] [] dump_stack+0xc1/0x128 [ 737.550396] [] panic+0x1bc/0x3a8 [ 737.555393] [] ? percpu_up_read_preempt_enable.constprop.53+0xd7/0xd7 [ 737.563590] [] ? nmi_trigger_cpumask_backtrace+0x13b/0x190 [ 737.570833] [] ? nmi_trigger_cpumask_backtrace+0x145/0x190 [ 737.578076] [] watchdog+0x701/0xa70 [ 737.583317] [] ? watchdog+0x125/0xa70 [ 737.588735] [] kthread+0x26d/0x300 [ 737.593898] [] ? reset_hung_task_detector+0x20/0x20 [ 737.600529] [] ? kthread_park+0xa0/0xa0 [ 737.606127] [] ? kthread_park+0xa0/0xa0 [ 737.611717] [] ? kthread_park+0xa0/0xa0 [ 737.617318] [] ret_from_fork+0x5c/0x70 [ 737.623292] Dumping ftrace buffer: [ 737.626824] (ftrace buffer empty) [ 737.630501] Kernel Offset: disabled [ 737.634103] Rebooting in 86400 seconds..