| TITLE: INFO: task hung in console_device |
| |
| [ 962.377725] INFO: task init:2293 blocked for more than 120 seconds. |
| [ 962.377730] Not tainted 4.4.132+ #53 |
| [ 962.377731] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. |
| [ 962.377743] init D ffff88008ad8f5b0 0 2293 1 0x00000000 |
| [ 962.377753] ffff88008ad8f5b0 ffff8800b5584ee8 ffff8800b5584ef8 1ffff100115b1eaa |
| [ 962.377760] 0000000041b58a00 ffff8801db71f3f8 ffff8801db71f420 ffff8801db71ead8 |
| [ 962.377768] ffff8801db71eac0 ffff88008add0000 ffff8800b5584740 0000000000000000 |
| [ 962.377769] Call Trace: |
| [ 962.377783] [<ffffffff82a9df9c>] schedule+0x7c/0x1b0 |
| [ 962.377790] [<ffffffff82aae624>] schedule_timeout+0x3d4/0x690 |
| [ 962.377796] [<ffffffff82aae250>] ? usleep_range+0x130/0x130 |
| [ 962.377806] [<ffffffff8120ac09>] ? mark_held_locks+0xc9/0x160 |
| [ 962.377813] [<ffffffff82ab06ec>] ? _raw_spin_unlock_irq+0x2c/0x40 |
| [ 962.377820] [<ffffffff8120b02b>] ? trace_hardirqs_on_caller+0x38b/0x590 |
| [ 962.377825] [<ffffffff82aab9b0>] __down+0x130/0x250 |
| [ 962.377832] [<ffffffff82aab880>] ? __ww_mutex_lock_interruptible+0x2780/0x2780 |
| [ 962.377839] [<ffffffff81201a13>] down+0x63/0x80 |
| [ 962.377845] [<ffffffff81226da1>] console_lock+0x31/0x80 |
| [ 962.377853] [<ffffffff81501021>] ? kmem_cache_alloc_trace+0x141/0x340 |
| [ 962.377860] [<ffffffff8122c341>] console_device+0x21/0xc0 |
| [ 962.377867] [<ffffffff81ecd220>] tty_open+0x8b0/0xee0 |
| [ 962.377873] [<ffffffff81ecc970>] ? tty_init_dev+0x430/0x430 |
| [ 962.377882] [<ffffffff81555f55>] ? chrdev_open+0xc5/0x570 |
| [ 962.377888] [<ffffffff81ecc970>] ? tty_init_dev+0x430/0x430 |
| [ 962.377895] [<ffffffff815560be>] chrdev_open+0x22e/0x570 |
| [ 962.377901] [<ffffffff81555e90>] ? cdev_put.part.1+0x50/0x50 |
| [ 962.377909] [<ffffffff81b93994>] ? security_file_open+0x94/0x190 |
| [ 962.377916] [<ffffffff8154429d>] do_dentry_open+0x67d/0xc60 |
| [ 962.377922] [<ffffffff81555e90>] ? cdev_put.part.1+0x50/0x50 |
| [ 962.377928] [<ffffffff81547a4f>] vfs_open+0x12f/0x220 |
| [ 962.377935] [<ffffffff8156a988>] ? may_open.isra.37+0x158/0x240 |
| [ 962.377941] [<ffffffff81578de4>] path_openat+0x504/0x3930 |
| [ 962.377949] [<ffffffff81245fd7>] ? debug_lockdep_rcu_enabled+0x77/0x90 |
| [ 962.377957] [<ffffffff815788e0>] ? path_lookupat.isra.33+0x420/0x420 |
| [ 962.377963] [<ffffffff81205c62>] ? __lock_is_held+0xa2/0xf0 |
| [ 962.377968] [<ffffffff814ffa0c>] ? deactivate_slab+0x45c/0x480 |
| [ 962.377976] [<ffffffff81205c62>] ? __lock_is_held+0xa2/0xf0 |
| [ 962.377983] [<ffffffff8157f1c0>] do_filp_open+0x190/0x250 |
| [ 962.377990] [<ffffffff8157f030>] ? user_path_mountpoint_at+0x80/0x80 |
| [ 962.377997] [<ffffffff82ab0667>] ? _raw_spin_unlock+0x27/0x40 |
| [ 962.378004] [<ffffffff815a79f8>] ? __alloc_fd+0x1f8/0x4a0 |
| [ 962.378010] [<ffffffff8154839a>] do_sys_open+0x30a/0x930 |
| [ 962.378016] [<ffffffff81548090>] ? filp_open+0x70/0x70 |
| [ 962.378022] [<ffffffff81ec768e>] ? proc_clear_tty+0xde/0x150 |
| [ 962.378028] [<ffffffff82ab0c0c>] ? _raw_write_unlock_irq+0x2c/0x40 |
| [ 962.378035] [<ffffffff815489f2>] SyS_open+0x32/0x40 |
| [ 962.378042] [<ffffffff82ab1121>] entry_SYSCALL_64_fastpath+0x1e/0x9a |
| [ 962.378047] 1 lock held by init/2293: |
| [ 962.378060] #0: (tty_mutex){+.+.+.}, at: [<ffffffff81eccea1>] tty_open+0x531/0xee0 |
| [ 962.378068] task PC stack pid father |
| [ 962.378098] init D ffff88008ad8f5b0 0 2293 1 0x00000000 |
| [ 962.378350] ffff88008ad8f5b0 ffff8800b5584ee8 ffff8800b5584ef8 1ffff100115b1eaa |
| [ 962.378357] 0000000041b58a00 ffff8801db71f3f8 ffff8801db71f420 ffff8801db71ead8 |
| [ 962.378364] ffff8801db71eac0 ffff88008add0000 ffff8800b5584740 0000000000000000 |
| [ 962.378366] Call Trace: |
| [ 962.378373] [<ffffffff82a9df9c>] schedule+0x7c/0x1b0 |
| [ 962.378379] [<ffffffff82aae624>] schedule_timeout+0x3d4/0x690 |
| [ 962.378385] [<ffffffff82aae250>] ? usleep_range+0x130/0x130 |
| [ 962.378392] [<ffffffff8120ac09>] ? mark_held_locks+0xc9/0x160 |
| [ 962.378398] [<ffffffff82ab06ec>] ? _raw_spin_unlock_irq+0x2c/0x40 |
| [ 962.378405] [<ffffffff8120b02b>] ? trace_hardirqs_on_caller+0x38b/0x590 |
| [ 962.378410] [<ffffffff82aab9b0>] __down+0x130/0x250 |
| [ 962.378417] [<ffffffff82aab880>] ? __ww_mutex_lock_interruptible+0x2780/0x2780 |
| [ 962.378423] [<ffffffff81201a13>] down+0x63/0x80 |
| [ 962.378429] [<ffffffff81226da1>] console_lock+0x31/0x80 |
| [ 962.378435] [<ffffffff81501021>] ? kmem_cache_alloc_trace+0x141/0x340 |
| [ 962.378441] [<ffffffff8122c341>] console_device+0x21/0xc0 |
| [ 962.378447] [<ffffffff81ecd220>] tty_open+0x8b0/0xee0 |
| [ 962.378453] [<ffffffff81ecc970>] ? tty_init_dev+0x430/0x430 |
| [ 962.378460] [<ffffffff81555f55>] ? chrdev_open+0xc5/0x570 |
| [ 962.378466] [<ffffffff81ecc970>] ? tty_init_dev+0x430/0x430 |
| [ 962.378472] [<ffffffff815560be>] chrdev_open+0x22e/0x570 |
| [ 962.378479] [<ffffffff81555e90>] ? cdev_put.part.1+0x50/0x50 |
| [ 962.378485] [<ffffffff81b93994>] ? security_file_open+0x94/0x190 |
| [ 962.378491] [<ffffffff8154429d>] do_dentry_open+0x67d/0xc60 |
| [ 962.378497] [<ffffffff81555e90>] ? cdev_put.part.1+0x50/0x50 |
| [ 962.378503] [<ffffffff81547a4f>] vfs_open+0x12f/0x220 |
| [ 962.378509] [<ffffffff8156a988>] ? may_open.isra.37+0x158/0x240 |
| [ 962.378516] [<ffffffff81578de4>] path_openat+0x504/0x3930 |
| [ 962.378522] [<ffffffff81245fd7>] ? debug_lockdep_rcu_enabled+0x77/0x90 |
| [ 962.378529] [<ffffffff815788e0>] ? path_lookupat.isra.33+0x420/0x420 |
| [ 962.378535] [<ffffffff81205c62>] ? __lock_is_held+0xa2/0xf0 |
| [ 962.378545] [<ffffffff814ffa0c>] ? deactivate_slab+0x45c/0x480 |
| [ 962.378590] [<ffffffff81205c62>] ? __lock_is_held+0xa2/0xf0 |
| [ 962.378598] [<ffffffff8157f1c0>] do_filp_open+0x190/0x250 |
| [ 962.378604] [<ffffffff8157f030>] ? user_path_mountpoint_at+0x80/0x80 |
| [ 962.378611] [<ffffffff82ab0667>] ? _raw_spin_unlock+0x27/0x40 |
| [ 962.378617] [<ffffffff815a79f8>] ? __alloc_fd+0x1f8/0x4a0 |
| [ 962.378624] [<ffffffff8154839a>] do_sys_open+0x30a/0x930 |
| [ 962.378630] [<ffffffff81548090>] ? filp_open+0x70/0x70 |
| [ 962.378635] [<ffffffff81ec768e>] ? proc_clear_tty+0xde/0x150 |
| [ 962.378642] [<ffffffff82ab0c0c>] ? _raw_write_unlock_irq+0x2c/0x40 |
| [ 962.378648] [<ffffffff815489f2>] SyS_open+0x32/0x40 |
| [ 962.378655] [<ffffffff82ab1121>] entry_SYSCALL_64_fastpath+0x1e/0x9a |
| [ 962.378665] init D ffff88008adbf688 0 2294 1 0x00000000 |
| [ 962.378691] ffff88008adbf688 ffff8801d2aadf00 dffffc0000000000 0000000000000007 |
| [ 962.378698] ffffed003a555c00 ffff8801db71f3f8 ffff8801db71f420 ffff8801db71ead8 |
| [ 962.378705] ffff8801db71eac0 ffff8801d85a2f80 ffff8801d2aadf00 0000000000000000 |
| [ 962.378706] Call Trace: |
| [ 962.378712] [<ffffffff82a9df9c>] schedule+0x7c/0x1b0 |
| [ 962.378718] [<ffffffff82a9e7f5>] schedule_preempt_disabled+0x15/0x20 |
| [ 962.378724] [<ffffffff82aa4a18>] mutex_lock_nested+0x3a8/0x10d0 |
| [ 962.378729] [<ffffffff81eccea1>] ? tty_open+0x531/0xee0 |
| [ 962.378735] [<ffffffff815006bb>] ? ___slab_alloc+0x45b/0x580 |
| [ 962.378741] [<ffffffff81572200>] ? lookup_fast+0x950/0xe80 |
| [ 962.378747] [<ffffffff82aa4670>] ? mutex_lock_killable_nested+0x1240/0x1240 |
| [ 962.378753] [<ffffffff8150085f>] ? __slab_alloc+0x7f/0x90 |
| [ 962.378758] [<ffffffff81eccac5>] ? tty_open+0x155/0xee0 |
| [ 962.378766] [<ffffffff81505d95>] ? kasan_unpoison_shadow+0x35/0x50 |
| [ 962.378773] [<ffffffff81501021>] ? kmem_cache_alloc_trace+0x141/0x340 |
| [ 962.378778] [<ffffffff81eccac5>] ? tty_open+0x155/0xee0 |
| [ 962.378783] [<ffffffff81eccea1>] tty_open+0x531/0xee0 |
| [ 962.378790] [<ffffffff81ecc970>] ? tty_init_dev+0x430/0x430 |
| [ 962.378796] [<ffffffff81555f55>] ? chrdev_open+0xc5/0x570 |
| [ 962.378802] [<ffffffff81ecc970>] ? tty_init_dev+0x430/0x430 |
| [ 962.378808] [<ffffffff815560be>] chrdev_open+0x22e/0x570 |
| [ 962.378815] [<ffffffff81555e90>] ? cdev_put.part.1+0x50/0x50 |
| [ 962.378821] [<ffffffff81b93994>] ? security_file_open+0x94/0x190 |
| [ 962.378827] [<ffffffff8154429d>] do_dentry_open+0x67d/0xc60 |
| [ 962.378833] [<ffffffff81555e90>] ? cdev_put.part.1+0x50/0x50 |
| [ 962.378839] [<ffffffff81547a4f>] vfs_open+0x12f/0x220 |
| [ 962.378845] [<ffffffff8156a988>] ? may_open.isra.37+0x158/0x240 |
| [ 962.378851] [<ffffffff81578de4>] path_openat+0x504/0x3930 |
| [ 962.378857] [<ffffffff81245fd7>] ? debug_lockdep_rcu_enabled+0x77/0x90 |
| [ 962.378865] [<ffffffff815788e0>] ? path_lookupat.isra.33+0x420/0x420 |
| [ 962.378871] [<ffffffff81205c62>] ? __lock_is_held+0xa2/0xf0 |
| [ 962.378877] [<ffffffff814ffa0c>] ? deactivate_slab+0x45c/0x480 |
| [ 962.378884] [<ffffffff81205c62>] ? __lock_is_held+0xa2/0xf0 |
| [ 962.378891] [<ffffffff8157f1c0>] do_filp_open+0x190/0x250 |
| [ 962.378898] [<ffffffff8157f030>] ? user_path_mountpoint_at+0x80/0x80 |
| [ 962.378905] [<ffffffff82ab0667>] ? _raw_spin_unlock+0x27/0x40 |
| [ 962.378911] [<ffffffff815a79f8>] ? __alloc_fd+0x1f8/0x4a0 |
| [ 962.378917] [<ffffffff8154839a>] do_sys_open+0x30a/0x930 |
| [ 962.378923] [<ffffffff81548090>] ? filp_open+0x70/0x70 |
| [ 962.378929] [<ffffffff81ec768e>] ? proc_clear_tty+0xde/0x150 |
| [ 962.378935] [<ffffffff82ab0c0c>] ? _raw_write_unlock_irq+0x2c/0x40 |
| [ 962.378942] [<ffffffff815489f2>] SyS_open+0x32/0x40 |
| [ 962.378948] [<ffffffff82ab1121>] entry_SYSCALL_64_fastpath+0x1e/0x9a |
| [ 962.378958] init D ffff88008addf688 0 2295 1 0x00000000 |
| [ 962.378982] ffff88008addf688 ffff88008add0000 dffffc0000000000 0000000000000007 |
| [ 962.378990] ffffed00115ba000 ffff8801db71f3f8 ffff8801db71f420 ffff8801db71ead8 |
| [ 962.378997] ffff8801db71eac0 ffff8801d9ce0000 ffff88008add0000 0000000000000000 |
| [ 962.378998] Call Trace: |
| [ 962.379003] <Same stack as pid 2294> |
| [ 962.379009] init D ffff88008adef688 0 2296 1 0x00000000 |
| [ 962.379034] ffff88008adef688 ffff88008add5f00 dffffc0000000000 0000000000000007 |
| [ 962.379041] ffffed00115bac00 ffff8801db71f3f8 ffff8801db71f420 ffff8801db71ead8 |
| [ 962.379048] ffff8801db71eac0 ffff8801d9ce0000 ffff88008add5f00 0000000000000000 |
| [ 962.379049] Call Trace: |
| [ 962.379054] <Same stack as pid 2294> |
| [ 962.379061] init D ffff88008ae2f688 0 2297 1 0x00000000 |
| [ 962.379085] ffff88008ae2f688 ffff88008add17c0 dffffc0000000000 0000000000000007 |
| [ 962.379093] ffffed00115ba300 ffff8801db71f3f8 ffff8801db71f420 ffff8801db71ead8 |
| [ 962.379100] ffff8801db71eac0 ffff88008add4740 ffff88008add17c0 0000000000000000 |
| [ 962.379101] Call Trace: |
| [ 962.379105] <Same stack as pid 2294> |
| [ 962.379112] init D ffff88008ae5f688 0 2298 1 0x00000000 |
| [ 962.379136] ffff88008ae5f688 ffff88008add4740 dffffc0000000000 0000000000000007 |
| [ 962.379143] ffffed00115ba900 ffff8801db71f3f8 ffff8801db71f420 ffff8801db71ead8 |
| [ 962.379151] ffff8801db71eac0 ffff8801d856df00 ffff88008add4740 0000000000000000 |
| [ 962.379152] Call Trace: |
| [ 962.379157] <Same stack as pid 2294> |
| [ 962.379158] Sending NMI to all CPUs: |
| [ 962.380406] NMI backtrace for cpu 0 |
| [ 962.380408] CPU: 0 PID: 2285 Comm: syz-executor491 Not tainted 4.4.132+ #53 |
| [ 962.380412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 962.380415] task: ffff8801d85697c0 ti: ffff8800bade8000 task.ti: ffff8800bade8000 |
| [ 962.380418] RIP: 0010:[<ffffffff81f014b0>] [<ffffffff81f014b0>] io_serial_in+0x70/0x90 |
| [ 962.380420] RSP: 0018:ffff8800badef7d8 EFLAGS: 00000002 |
| [ 962.380423] RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000 |
| [ 962.380425] RDX: 00000000000003fd RSI: 0000000000000005 RDI: ffffffff846adad8 |
| [ 962.380428] RBP: ffff8800badef7e8 R08: 0000000000000001 R09: 0000000000000000 |
| [ 962.380431] R10: 0000000000000001 R11: ffffffff845377b5 R12: ffffffff846adaa0 |
| [ 962.380434] R13: 0000000000000020 R14: fffffbfff08d5b97 R15: fffffbfff08d5b5d |
| [ 962.380437] FS: 0000000000a53880(0063) GS:ffff8801db600000(0000) knlGS:0000000000000000 |
| [ 962.380439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 |
| [ 962.380442] CR2: 0000000020000180 CR3: 00000000b9f8c000 CR4: 0000000000160630 |
| [ 962.380445] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 |
| [ 962.380447] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 |
| [ 962.380449] Stack: |
| [ 962.380452] ffffffff846adaa0 000000000000270a ffff8800badef838 ffffffff81f02f74 |
| [ 962.380455] ffff8800badef8c0 ffffffff846adae8 ffffffff846adcba ffffffff846adaa0 |
| [ 962.380457] 000000000000006f ffffffff81f030c0 dffffc0000000000 000000000000006f |
| [ 962.380459] Call Trace: |
| [ 962.380461] [<ffffffff81f02f74>] wait_for_xmitr+0x94/0x1e0 |
| [ 962.380464] [<ffffffff81f030c0>] ? wait_for_xmitr+0x1e0/0x1e0 |
| [ 962.380466] [<ffffffff81f030e4>] serial8250_console_putchar+0x24/0x60 |
| [ 962.380468] [<ffffffff81eed98e>] uart_console_write+0x5e/0xf0 |
| [ 962.380471] [<ffffffff81f0d218>] serial8250_console_write+0x548/0x840 |
| [ 962.380474] [<ffffffff81f0ccd0>] ? exar_handle_irq+0x1c0/0x1c0 |
| [ 962.380476] [<ffffffff81d1efb7>] ? sprintf+0xa7/0xd0 |
| [ 962.380478] [<ffffffff81d1ef10>] ? scnprintf+0x100/0x100 |
| [ 962.380481] [<ffffffff81002297>] ? trace_hardirqs_on_thunk+0x17/0x19 |
| [ 962.380483] [<ffffffff81efc4a0>] ? univ8250_console_setup+0x100/0x100 |
| [ 962.380486] [<ffffffff81efc505>] univ8250_console_write+0x65/0x80 |
| [ 962.380489] [<ffffffff81228723>] call_console_drivers.constprop.30+0x1a3/0x360 |
| [ 962.380491] [<ffffffff8122b29c>] console_unlock+0x61c/0xa20 |
| [ 962.380494] [<ffffffff8122bbba>] vprintk_emit+0x51a/0x820 |
| [ 962.380496] [<ffffffff8122beed>] vprintk+0x2d/0x40 |
| [ 962.380498] [<ffffffff8122bf22>] vprintk_default+0x22/0x30 |
| [ 962.380501] [<ffffffff8140274d>] printk+0xab/0xc7 |
| [ 962.380503] [<ffffffff814026a2>] ? log_wakeup_reason.cold.1+0x13f/0x13f |
| [ 962.380506] [<ffffffff82a9545b>] do_replace.cold.28+0x17/0x54 |
| [ 962.380508] [<ffffffff829d9b40>] ? do_replace_finish+0x2060/0x2060 |
| [ 962.380510] [<ffffffff81b86e9d>] ? cap_capable+0x16d/0x1c0 |
| [ 962.380513] [<ffffffff8112795f>] ? ns_capable_common+0x12f/0x160 |
| [ 962.380515] [<ffffffff829d9f29>] do_ebt_set_ctl+0xd9/0x110 |
| [ 962.380518] [<ffffffff8242ca22>] nf_setsockopt+0x72/0xd0 |
| [ 962.380520] [<ffffffff826696df>] ip_setsockopt+0x9f/0xb0 |
| [ 962.380522] [<ffffffff8271161f>] udp_setsockopt+0x4f/0x90 |
| [ 962.380525] [<ffffffff8228e5cf>] sock_common_setsockopt+0x9f/0xe0 |
| [ 962.380527] [<ffffffff8228b843>] SyS_setsockopt+0x163/0x250 |
| [ 962.380530] [<ffffffff810b9391>] ? __do_page_fault+0x361/0x8c0 |
| [ 962.380532] [<ffffffff8228b6e0>] ? SyS_recv+0x40/0x40 |
| [ 962.380534] [<ffffffff81201f1f>] ? up_read+0x1f/0x40 |
| [ 962.380537] [<ffffffff82ab1c98>] ? retint_user+0x18/0x3c |
| [ 962.380543] [<ffffffff81002297>] ? trace_hardirqs_on_thunk+0x17/0x19 |
| [ 962.380563] [<ffffffff82ab1121>] entry_SYSCALL_64_fastpath+0x1e/0x9a |
| [ 962.380569] Code: 24 c1 00 00 00 49 8d 7c 24 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 d3 e3 80 3c 02 00 75 17 41 03 5c 24 38 89 da ec <5b> 0f b6 c0 41 5c 5d c3 e8 03 52 60 ff eb c2 e8 8c 52 60 ff eb |
| [ 962.380571] NMI backtrace for cpu 1 |
| [ 962.380574] CPU: 1 PID: 19 Comm: khungtaskd Not tainted 4.4.132+ #53 |
| [ 962.380577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 962.380580] task: ffff8801d9dc2f80 ti: ffff8801d9f00000 task.ti: ffff8801d9f00000 |
| [ 962.380583] RIP: 0010:[<ffffffff810adcba>] [<ffffffff810adcba>] native_write_msr_safe+0xa/0x10 |
| [ 962.380585] RSP: 0018:ffff8801d9f07c80 EFLAGS: 00000002 |
| [ 962.380588] RAX: 0000000000000400 RBX: 0000000000000001 RCX: 0000000000000830 |
| [ 962.380591] RDX: 0000000000000001 RSI: 0000000000000400 RDI: 0000000000000830 |
| [ 962.380594] RBP: ffff8801d9f07c80 R08: 0000000000000001 R09: 0000000000000000 |
| [ 962.380596] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000007 |
| [ 962.380599] R13: fffffbfff06cda66 R14: dffffc0000000000 R15: ffffffff83671400 |
| [ 962.380602] FS: 0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 |
| [ 962.380604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 |
| [ 962.380607] CR2: ffffffffff600400 CR3: 00000000b9e24000 CR4: 0000000000160630 |
| [ 962.380610] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 |
| [ 962.380613] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 |
| [ 962.380614] Stack: |
| [ 962.380617] ffff8801d9f07ce0 ffffffff810a3bc3 ffffffff00000010 0000000000000286 |
| [ 962.380619] 0000000000000400 0000000000000001 0008000081d39360 ffffffff83267340 |
| [ 962.380622] ffffffff83671400 0000000000000003 fffffbfff06cda66 0000000000000040 |
| [ 962.380624] Call Trace: |
| [ 962.380626] [<ffffffff810a3bc3>] __x2apic_send_IPI_mask+0x123/0x1b0 |
| [ 962.380629] [<ffffffff810a3d23>] x2apic_send_IPI_mask+0x13/0x20 |
| [ 962.380631] [<ffffffff81099fb6>] nmi_raise_cpu_backtrace+0x66/0x80 |
| [ 962.380634] [<ffffffff81cffaa2>] nmi_trigger_all_cpu_backtrace.cold.3+0x70/0xad |
| [ 962.380636] [<ffffffff811aacc9>] ? show_state_filter+0x1b9/0x270 |
| [ 962.380639] [<ffffffff81099f50>] ? irq_force_complete_move+0x350/0x350 |
| [ 962.380642] [<ffffffff8109a069>] arch_trigger_all_cpu_backtrace+0x19/0x20 |
| [ 962.380644] [<ffffffff81407154>] watchdog.cold.1+0xdd/0xf8 |
| [ 962.380646] [<ffffffff8131fdd8>] ? watchdog+0xb8/0x960 |
| [ 962.380649] [<ffffffff8117199d>] kthread+0x26d/0x310 |
| [ 962.380651] [<ffffffff8131fd20>] ? reset_hung_task_detector+0x20/0x20 |
| [ 962.380654] [<ffffffff81171730>] ? kthread_create_on_node+0x490/0x490 |
| [ 962.380656] [<ffffffff81171730>] ? kthread_create_on_node+0x490/0x490 |
| [ 962.380659] [<ffffffff82ab1505>] ret_from_fork+0x55/0x80 |
| [ 962.380661] [<ffffffff81171730>] ? kthread_create_on_node+0x490/0x490 |
| [ 962.380667] Code: 00 55 89 f9 48 89 e5 0f 32 31 ff 48 c1 e2 20 89 3e 5d 48 09 d0 c3 90 66 2e 0f 1f 84 00 00 00 00 00 55 89 f0 89 f9 48 89 e5 0f 30 <31> c0 5d c3 66 90 55 89 f9 48 89 e5 0f 33 48 c1 e2 20 5d 48 09 |
| [ 962.380756] Kernel panic - not syncing: hung_task: blocked tasks |
| [ 962.380762] CPU: 1 PID: 19 Comm: khungtaskd Not tainted 4.4.132+ #53 |
| [ 962.380765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 962.380773] 0000000000000001 ffff8801d9f07cb8 ffffffff81cf4f9d ffffffff82c7c980 |
| [ 962.380779] ffff8800b5584a58 dffffc0000000000 0000000000000003 7fffffffffffffff |
| [ 962.380787] ffff8801d9f07d78 ffffffff813fba15 0000000041b58ab3 ffffffff830a787d |
| [ 962.380788] Call Trace: |
| [ 962.380797] [<ffffffff81cf4f9d>] dump_stack+0xc1/0x124 |
| [ 962.380803] [<ffffffff813fba15>] panic+0x19a/0x355 |
| [ 962.380809] [<ffffffff813fb87b>] ? add_taint.cold.5+0x16/0x16 |
| [ 962.380816] [<ffffffff81cff8f6>] ? nmi_trigger_all_cpu_backtrace+0x386/0x480 |
| [ 962.380821] [<ffffffff811aac07>] ? show_state_filter+0xf7/0x270 |
| [ 962.380829] [<ffffffff81407165>] watchdog.cold.1+0xee/0xf8 |
| [ 962.380835] [<ffffffff8131fdd8>] ? watchdog+0xb8/0x960 |
| [ 962.380842] [<ffffffff8117199d>] kthread+0x26d/0x310 |
| [ 962.380848] [<ffffffff8131fd20>] ? reset_hung_task_detector+0x20/0x20 |
| [ 962.380854] [<ffffffff81171730>] ? kthread_create_on_node+0x490/0x490 |
| [ 962.380862] [<ffffffff81171730>] ? kthread_create_on_node+0x490/0x490 |
| [ 962.380869] [<ffffffff82ab1505>] ret_from_fork+0x55/0x80 |
| [ 962.380875] [<ffffffff81171730>] ? kthread_create_on_node+0x490/0x490 |
| [ 962.382264] Dumping ftrace buffer: |
| [ 962.382299] (ftrace buffer empty) |
| [ 962.383006] Kernel Offset: disabled |
