BUG: sleeping function called from invalid context at kernel/locking/mutex.c:LINE

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	BUG: sleeping function called from invalid context at kernel/locking/mutex.c:LINE kvm net virt	-1				422	2654d	2871d	0/29	closed as invalid on 2019/05/07 09:25
syz-executor269 (2081) used greatest stack depth: 23248 bytes left
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:620
in_atomic(): 1, irqs_disabled(): 0, pid: 0, name: swapper/1
no locks held by swapper/1/0.
Preemption disabled at:[<ffffffff811ebb35>] cpu_idle_loop kernel/sched/idle.c:279 [inline]
Preemption disabled at:[<ffffffff811ebb35>] cpu_startup_entry+0x755/0x810 kernel/sched/idle.c:301

CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db707870 ffffffff81aab9c1
 ffff8801da6897c0 0000000000000101 ffff8801da6897c0 0000000000000101
 ffff8801da6897c0 ffff8801db7078a8 ffffffff813a6d4d ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff813a6d4d>] ___might_sleep.cold+0x1c6/0x1dc kernel/sched/core.c:7988
 [<ffffffff81159b40>] __might_sleep+0x90/0x1a0 kernel/sched/core.c:7948
 [<ffffffff82708bcd>] mutex_lock_nested+0x8d/0xb80 kernel/locking/mutex.c:620
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245

=================================
[ INFO: inconsistent lock state ]
4.4.169+ #1 Not tainted
---------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
 (&sb->s_type->i_mutex_key#9){+.?.+.}, at: [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
{SOFTIRQ-ON-W} state was registered at:
  [<ffffffff81200233>] mark_irqflags kernel/locking/lockdep.c:2817 [inline]
  [<ffffffff81200233>] __lock_acquire+0xe73/0x4f50 kernel/locking/lockdep.c:3169
  [<ffffffff81205d7e>] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592
  [<ffffffff82708c01>] __mutex_lock_common kernel/locking/mutex.c:521 [inline]
  [<ffffffff82708c01>] mutex_lock_nested+0xc1/0xb80 kernel/locking/mutex.c:621
  [<ffffffff814aad8f>] bprm_fill_uid fs/exec.c:1357 [inline]
  [<ffffffff814aad8f>] prepare_binprm+0x2bf/0x770 fs/exec.c:1391
  [<ffffffff814ad306>] do_execveat_common.isra.0+0xd86/0x1e90 fs/exec.c:1620
  [<ffffffff814aed92>] do_execve fs/exec.c:1683 [inline]
  [<ffffffff814aed92>] SYSC_execve fs/exec.c:1764 [inline]
  [<ffffffff814aed92>] SyS_execve+0x42/0x50 fs/exec.c:1759
  [<ffffffff827156f5>] return_from_execve+0x0/0x23
irq event stamp: 292542
hardirqs last  enabled at (292542): [<ffffffff82715fa6>] restore_regs_and_iret+0x0/0x1d
hardirqs last disabled at (292541): [<ffffffff82715f18>] common_interrupt+0x98/0x9d arch/x86/entry/entry_64.S:623
softirqs last  enabled at (292506): [<ffffffff810e117c>] _local_bh_enable+0x1c/0x50 kernel/softirq.c:144
softirqs last disabled at (292507): [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
softirqs last disabled at (292507): [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&sb->s_type->i_mutex_key#9);
  <Interrupt>
    lock(&sb->s_type->i_mutex_key#9);

 *** DEADLOCK ***

no locks held by swapper/1/0.

stack backtrace:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db707610 ffffffff81aab9c1
 0000000000000090 ffff8801da6897c0 ffffffff83abd470 ffffffff84055ac0
 ffff8801da68a0a8 ffff8801db707688 ffffffff813ad270 0000000000000001
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff813ad270>] print_usage_bug.cold+0x454/0x592 kernel/locking/lockdep.c:2267
 [<ffffffff811fdfcd>] valid_state kernel/locking/lockdep.c:2280 [inline]
 [<ffffffff811fdfcd>] mark_lock_irq kernel/locking/lockdep.c:2478 [inline]
 [<ffffffff811fdfcd>] mark_lock+0x6fd/0x1440 kernel/locking/lockdep.c:2933
 [<ffffffff8120081e>] mark_irqflags kernel/locking/lockdep.c:2799 [inline]
 [<ffffffff8120081e>] __lock_acquire+0x145e/0x4f50 kernel/locking/lockdep.c:3169
 [<ffffffff81205d7e>] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592
 [<ffffffff82708c01>] __mutex_lock_common kernel/locking/mutex.c:521 [inline]
 [<ffffffff82708c01>] mutex_lock_nested+0xc1/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
BUG: scheduling while atomic: swapper/1/0/0x00000102
INFO: lockdep is turned off.
Modules linked in:
Preemption disabled at:[<ffffffff811ebb35>] cpu_idle_loop kernel/sched/idle.c:279 [inline]
Preemption disabled at:[<ffffffff811ebb35>] cpu_startup_entry+0x755/0x810 kernel/sched/idle.c:301

CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db707800 ffffffff81aab9c1
 0000000000000000 ffff8801da6897c0 0000000000000102 0000000000000001
 000000000001e880 ffff8801db707820 ffffffff813a6dc3 ffff8801db71e880
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff813a6dc3>] __schedule_bug.cold+0x60/0x71 kernel/sched/core.c:3138
 [<ffffffff8270564b>] schedule_debug kernel/sched/core.c:3153 [inline]
 [<ffffffff8270564b>] __schedule+0x118b/0x1ee0 kernel/sched/core.c:3265
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000ea1091c9c ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabb442fc ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabb70a70 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabb9d170 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabbc9c34 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabbfbc0c ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabc2819f ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabc55443 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabc86b87 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabcb8639 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabceb182 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabd1e213 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabd4fff5 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabd7c4d5 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabdade6c ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabde08dd ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabe0ce61 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabe3dab7 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabe6a0b6 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabe96a3c ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabec2df3 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabef07a2 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabf1da84 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabf4e40c ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabf7efa7 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabfae7aa ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eabfea50a ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
 [<ffffffff827065e9>] schedule+0x99/0x1d0 kernel/sched/core.c:3355
 [<ffffffff82706da3>] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388
 [<ffffffff82708f02>] __mutex_lock_common kernel/locking/mutex.c:582 [inline]
 [<ffffffff82708f02>] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81512f1f>] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944
 [<ffffffff81513088>] generic_file_fsync+0x78/0x120 fs/libfs.c:977
 [<ffffffff81635192>] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109
 [<ffffffff81538941>] vfs_fsync_range+0x111/0x260 fs/sync.c:195
 [<ffffffff81552e46>] generic_write_sync include/linux/fs.h:2517 [inline]
 [<ffffffff81552e46>] dio_complete+0x3e6/0x720 fs/direct-io.c:266
 [<ffffffff815532f6>] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312
 [<ffffffff81a21687>] bio_endio+0x187/0x1e0 block/bio.c:1786
 [<ffffffff81a405d7>] req_bio_endio block/blk-core.c:157 [inline]
 [<ffffffff81a405d7>] blk_update_request+0x267/0xa50 block/blk-core.c:2653
 [<ffffffff81d73cac>] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695
 [<ffffffff81d7c4b5>] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918
 [<ffffffff81d5fc74>] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607
 [<ffffffff81d7aa09>] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654
 [<ffffffff81a5d8b8>] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35
 [<ffffffff82718316>] __do_softirq+0x226/0xa3f kernel/softirq.c:273
 [<ffffffff810e189a>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff810e189a>] irq_exit+0x10a/0x150 kernel/softirq.c:391
 [<ffffffff82717911>] exiting_irq arch/x86/include/asm/apic.h:652 [inline]
 [<ffffffff82717911>] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251
 [<ffffffff82715f1d>] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623
 <EOI>  [<ffffffff810a1dc2>] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52
 [<ffffffff81022d50>] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423
 [<ffffffff811eb2d8>] default_idle_call+0x48/0x70 kernel/sched/idle.c:93
 [<ffffffff811ebab1>] cpuidle_idle_call kernel/sched/idle.c:157 [inline]
 [<ffffffff811ebab1>] cpu_idle_loop kernel/sched/idle.c:253 [inline]
 [<ffffffff811ebab1>] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301
 [<ffffffff8108719d>] start_secondary+0x31d/0x410 arch/x86/kernel/smpboot.c:245
bad: scheduling from the idle thread!
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G        W       4.4.169+ #1
 0000000000000000 a6abd3547db406d7 ffff8801db7077d0 ffffffff81aab9c1
 ffffffff828463c0 ffff8801db71e880 ffff8801db71e880 0000000000000001
 0000000eac025570 ffff8801db7077e8 ffffffff8117ba0f ffff8801da6897c0
Call Trace:
 <IRQ>  [<ffffffff81aab9c1>] __dump_stack lib/dump_stack.c:15 [inline]
 <IRQ>  [<ffffffff81aab9c1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<ffffffff8117ba0f>] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45
 [<ffffffff81163a49>] dequeue_task kernel/sched/core.c:866 [inline]
 [<ffffffff81163a49>] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882
 [<ffffffff82704da4>] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2019/01/02 20:13	https://android.googlesource.com/kernel/common android-4.4	dfca92bab267	f0491811	.config	console log	report	syz	C			ci-android-44-kasan-gce
2019/01/05 01:42	https://android.googlesource.com/kernel/common android-4.4	d08574b6f0ae	0127e3ba	.config	console log	report	syz				ci-android-44-kasan-gce