Warning: Permanently added '10.128.0.223' (ECDSA) to the list of known hosts. executing program [ 841.947873] INFO: task restorecond:1999 blocked for more than 140 seconds. [ 841.954977] Not tainted 4.4.174+ #4 [ 841.959568] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 841.967530] restorecond D ffff8800b815fac8 28096 1999 1 0x00000000 [ 841.975266] ffff8800b815fac8 ffff8800b89f0000 597416e375bf3646 ffff8800b89f0000 [ 841.983317] 0000000000000001 ffff8800b89f0800 ffff8801db71f180 ffff8801db71f1a8 [ 841.991361] ffff8801db71e898 ffff8800b564df00 ffff8800b89f0000 ffffed001702b001 [ 841.999722] Call Trace: [ 842.002509] [] schedule+0x99/0x1d0 [ 842.007712] [] schedule_preempt_disabled+0x13/0x20 [ 842.014309] [] mutex_lock_nested+0x3c2/0xb80 [ 842.020464] [] ? vfs_setxattr+0x93/0xf0 [ 842.026159] [] ? debug_check_no_obj_freed+0x2b9/0x6e0 [ 842.032999] [] ? mutex_trylock+0x500/0x500 [ 842.038880] [] vfs_setxattr+0x93/0xf0 [ 842.044314] [] setxattr+0x1c4/0x390 [ 842.049585] [] ? vfs_setxattr+0xf0/0xf0 [ 842.055194] [] ? check_preemption_disabled+0x3c/0x200 [ 842.062028] [] ? check_preemption_disabled+0x3c/0x200 [ 842.068967] [] ? rcu_read_lock_sched_held+0x10b/0x130 [ 842.075829] [] ? preempt_count_add+0xc0/0x1d0 [ 842.081994] [] ? __mnt_want_write+0x1e3/0x270 [ 842.088140] [] path_setxattr+0x155/0x170 [ 842.093835] [] ? setxattr+0x390/0x390 [ 842.099314] [] ? getxattr+0x350/0x350 [ 842.104750] [] SyS_lsetxattr+0x38/0x50 [ 842.110314] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 842.124287] 2 locks held by restorecond/1999: [ 842.128857] #0: (sb_writers#4){.+.+.+}, at: [] mnt_want_write+0x3f/0xb0 [ 842.145750] #1: (&sb->s_type->i_mutex_key#9){+.+.+.}, at: [] vfs_setxattr+0x93/0xf0 [ 842.159286] Sending NMI to all CPUs: [ 842.163536] NMI backtrace for cpu 0 [ 842.167155] CPU: 0 PID: 2177 Comm: syz-executor649 Not tainted 4.4.174+ #4 [ 842.174177] task: ffff8801d2e94740 task.stack: ffff8801cf6b8000 [ 842.180228] RIP: 0010:[] [] __lock_acquire+0x8a1/0x4f50 [ 842.188796] RSP: 0018:ffff8801cf6bfb00 EFLAGS: 00000046 [ 842.194231] RAX: 0000000000000007 RBX: 000000000000021f RCX: 0000000000000000 [ 842.201494] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801d2e95054 [ 842.208770] RBP: ffff8801cf6bfc80 R08: 0000000000000001 R09: 1ffff1003a5d2a05 [ 842.216025] R10: ffffffff82836880 R11: 0000000000000000 R12: ffff8801d2e94740 [ 842.223292] R13: ffff8801d2e95030 R14: 0000000000000001 R15: 0000000000000000 [ 842.230560] FS: 0000000000ac8880(0063) GS:ffff8801db600000(0000) knlGS:0000000000000000 [ 842.238782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 842.244648] CR2: 00000000007bc308 CR3: 00000001d2880000 CR4: 00000000001606b0 [ 842.251912] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 842.259180] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 842.266433] Stack: [ 842.268578] ffff8801cf6bfb10 ffffffff8123a761 ffff8801cf6bfbd0 0000000000000246 [ 842.276181] ffff8801d2e94740 ffff8800b86a35f0 0000000000000000 0000000000000000 [ 842.283710] ffff8801d2e95048 ffff8801d2e95000 ffff8801d2e95050 ffff880100000000 [ 842.291236] Call Trace: [ 842.293802] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 842.302345] [] ? trace_hardirqs_on+0x10/0x10 [ 842.308397] [] ? rcu_read_lock_sched_held+0x10b/0x130 [ 842.315217] [] ? ext4_es_lookup_extent+0x3df/0xc30 [ 842.321787] [] lock_acquire+0x15e/0x450 [ 842.327392] [] ? ext4_es_find_delayed_extent_range+0xd2/0xab0 [ 842.334930] [] _raw_read_lock+0x3b/0x50 [ 842.340557] [] ? ext4_es_find_delayed_extent_range+0xd2/0xab0 [ 842.348083] [] ext4_es_find_delayed_extent_range+0xd2/0xab0 [ 842.355423] [] ext4_llseek+0x6bb/0x970 [ 842.360952] [] ? ext4_find_unwritten_pgoff.isra.0+0x780/0x780 [ 842.368477] [] ? vfs_fallocate+0x400/0x670 [ 842.374342] [] ? __sb_end_write+0xc1/0x100 [ 842.380216] [] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 842.386947] [] ? __fget_light+0xa3/0x1f0 [ 842.392649] [] ? ext4_find_unwritten_pgoff.isra.0+0x780/0x780 [ 842.400177] [] SyS_lseek+0x113/0x180 [ 842.405524] [] entry_SYSCALL_64_fastpath+0x1e/0x9a [ 842.412102] Code: 41 89 45 20 48 c1 ea 03 48 b8 00 00 00 00 00 fc ff df 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 4e 30 00 00 <8b> 45 28 45 85 f6 41 89 45 24 0f 84 86 01 00 00 49 8d 7d 21 48 [ 842.431270] NMI backtrace for cpu 1 [ 842.434883] CPU: 1 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #4 [ 842.441294] task: ffff8801da6f4740 task.stack: ffff8800001d0000 [ 842.447335] RIP: 0010:[] [] flat_send_IPI_mask+0xf7/0x1b0 [ 842.456083] RSP: 0018:ffff8800001d7c88 EFLAGS: 00000046 [ 842.461527] RAX: 0000000000000000 RBX: 0000000000000c00 RCX: 0000000000000000 [ 842.468807] RDX: 0000000000000c00 RSI: 0000000000000000 RDI: ffffffffff5fc300 [ 842.476063] RBP: ffff8800001d7cb8 R08: 0000000000000018 R09: 0000000000000000 [ 842.483388] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000246 [ 842.490666] R13: 0000000003000000 R14: ffffffff82e5f2e0 R15: 0000000000000002 [ 842.497942] FS: 0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 [ 842.506158] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 842.512048] CR2: 00007f883b1a0000 CR3: 00000001d4988000 CR4: 00000000001606b0 [ 842.519322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 842.526578] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 842.535356] Stack: [ 842.537496] 0000000000000001 ffffffff82e5f2e0 ffffffff831a6ac0 fffffbfff0634c34 [ 842.545038] 000000000001b6c0 0000000000000008 ffff8800001d7cd8 ffffffff81092bee [ 842.552573] 0000000000000008 ffffffff82924260 ffff8800001d7d30 ffffffff81ab8252 [ 842.560110] Call Trace: [ 842.562679] [] nmi_raise_cpu_backtrace+0x5e/0x80 [ 842.569087] [] nmi_trigger_all_cpu_backtrace.cold+0xa1/0xae [ 842.576435] [] ? print_lock+0xa8/0xab [ 842.581927] [] ? irq_force_complete_move+0x330/0x330 [ 842.588675] [] arch_trigger_all_cpu_backtrace+0x14/0x20 [ 842.595669] [] watchdog.cold+0xd3/0xee [ 842.601221] [] ? watchdog+0xac/0xa00 [ 842.606566] [] ? reset_hung_task_detector+0x20/0x20 [ 842.613237] [] kthread+0x273/0x310 [ 842.618421] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 842.625069] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 842.631389] [] ? finish_task_switch+0x1e1/0x660 [ 842.637716] [] ? finish_task_switch+0x1b3/0x660 [ 842.644017] [] ? __schedule+0x7af/0x1ee0 [ 842.649725] [] ? __schedule+0x7a3/0x1ee0 [ 842.655422] [] ? __schedule+0x7af/0x1ee0 [ 842.661135] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 842.667792] [] ret_from_fork+0x55/0x80 [ 842.673311] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 842.679982] Code: 00 c3 5f ff 80 e6 10 75 e1 41 c1 e5 18 44 89 2c 25 10 c3 5f ff 44 89 fa 09 da 80 cf 04 41 83 ff 02 0f 44 d3 89 14 25 00 c3 5f ff <41> f7 c4 00 02 00 00 75 1e 4c 89 e7 57 9d 0f 1f 44 00 00 e8 f1 [ 842.699165] Kernel panic - not syncing: hung_task: blocked tasks [ 842.705302] CPU: 1 PID: 20 Comm: khungtaskd Not tainted 4.4.174+ #4 [ 842.711688] 0000000000000000 167f3917e6c15b5b ffff8800001d7c60 ffffffff81aad1a1 [ 842.719727] ffff8800b89f0000 ffffffff82872120 dffffc0000000000 0000000000000002 [ 842.727763] 00000000003fffae ffff8800001d7d40 ffffffff813a48c2 0000000041b58ab3 [ 842.735970] Call Trace: [ 842.738554] [] dump_stack+0xc1/0x120 [ 842.743978] [] panic+0x1b9/0x37b [ 842.748981] [] ? add_taint.cold+0x16/0x16 [ 842.754938] [] ? nmi_trigger_all_cpu_backtrace+0x3e1/0x490 [ 842.762196] [] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490 [ 842.769459] [] ? nmi_trigger_all_cpu_backtrace+0x3c6/0x490 [ 842.776719] [] watchdog.cold+0xe4/0xee [ 842.782243] [] ? watchdog+0xac/0xa00 [ 842.787590] [] ? reset_hung_task_detector+0x20/0x20 [ 842.794241] [] kthread+0x273/0x310 [ 842.799422] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 842.806073] [] ? _raw_spin_unlock_irq+0x39/0x60 [ 842.812378] [] ? finish_task_switch+0x1e1/0x660 [ 842.818684] [] ? finish_task_switch+0x1b3/0x660 [ 842.824998] [] ? __schedule+0x7af/0x1ee0 [ 842.830693] [] ? __schedule+0x7a3/0x1ee0 [ 842.836393] [] ? __schedule+0x7af/0x1ee0 [ 842.842097] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 842.848802] [] ret_from_fork+0x55/0x80 [ 842.854338] [] ? kthread_create_on_node+0x4c0/0x4c0 [ 842.861406] Kernel Offset: disabled [ 842.865048] Rebooting in 86400 seconds..