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:[] cpu_idle_loop kernel/sched/idle.c:279 [inline] Preemption disabled at:[] 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: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] ___might_sleep.cold+0x1c6/0x1dc kernel/sched/core.c:7988 [] __might_sleep+0x90/0x1a0 kernel/sched/core.c:7948 [] mutex_lock_nested+0x8d/0xb80 kernel/locking/mutex.c:620 [] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944 [] generic_file_fsync+0x78/0x120 fs/libfs.c:977 [] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109 [] vfs_fsync_range+0x111/0x260 fs/sync.c:195 [] generic_write_sync include/linux/fs.h:2517 [inline] [] dio_complete+0x3e6/0x720 fs/direct-io.c:266 [] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312 [] bio_endio+0x187/0x1e0 block/bio.c:1786 [] req_bio_endio block/blk-core.c:157 [inline] [] blk_update_request+0x267/0xa50 block/blk-core.c:2653 [] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695 [] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918 [] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607 [] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654 [] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35 [] __do_softirq+0x226/0xa3f kernel/softirq.c:273 [] invoke_softirq kernel/softirq.c:350 [inline] [] irq_exit+0x10a/0x150 kernel/softirq.c:391 [] exiting_irq arch/x86/include/asm/apic.h:652 [inline] [] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251 [] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623 [] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52 [] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423 [] default_idle_call+0x48/0x70 kernel/sched/idle.c:93 [] cpuidle_idle_call kernel/sched/idle.c:157 [inline] [] cpu_idle_loop kernel/sched/idle.c:253 [inline] [] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301 [] 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: [] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944 {SOFTIRQ-ON-W} state was registered at: [] mark_irqflags kernel/locking/lockdep.c:2817 [inline] [] __lock_acquire+0xe73/0x4f50 kernel/locking/lockdep.c:3169 [] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592 [] __mutex_lock_common kernel/locking/mutex.c:521 [inline] [] mutex_lock_nested+0xc1/0xb80 kernel/locking/mutex.c:621 [] bprm_fill_uid fs/exec.c:1357 [inline] [] prepare_binprm+0x2bf/0x770 fs/exec.c:1391 [] do_execveat_common.isra.0+0xd86/0x1e90 fs/exec.c:1620 [] do_execve fs/exec.c:1683 [inline] [] SYSC_execve fs/exec.c:1764 [inline] [] SyS_execve+0x42/0x50 fs/exec.c:1759 [] return_from_execve+0x0/0x23 irq event stamp: 292542 hardirqs last enabled at (292542): [] restore_regs_and_iret+0x0/0x1d hardirqs last disabled at (292541): [] common_interrupt+0x98/0x9d arch/x86/entry/entry_64.S:623 softirqs last enabled at (292506): [] _local_bh_enable+0x1c/0x50 kernel/softirq.c:144 softirqs last disabled at (292507): [] invoke_softirq kernel/softirq.c:350 [inline] softirqs last disabled at (292507): [] 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); 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: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] print_usage_bug.cold+0x454/0x592 kernel/locking/lockdep.c:2267 [] valid_state kernel/locking/lockdep.c:2280 [inline] [] mark_lock_irq kernel/locking/lockdep.c:2478 [inline] [] mark_lock+0x6fd/0x1440 kernel/locking/lockdep.c:2933 [] mark_irqflags kernel/locking/lockdep.c:2799 [inline] [] __lock_acquire+0x145e/0x4f50 kernel/locking/lockdep.c:3169 [] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592 [] __mutex_lock_common kernel/locking/mutex.c:521 [inline] [] mutex_lock_nested+0xc1/0xb80 kernel/locking/mutex.c:621 [] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944 [] generic_file_fsync+0x78/0x120 fs/libfs.c:977 [] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109 [] vfs_fsync_range+0x111/0x260 fs/sync.c:195 [] generic_write_sync include/linux/fs.h:2517 [inline] [] dio_complete+0x3e6/0x720 fs/direct-io.c:266 [] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312 [] bio_endio+0x187/0x1e0 block/bio.c:1786 [] req_bio_endio block/blk-core.c:157 [inline] [] blk_update_request+0x267/0xa50 block/blk-core.c:2653 [] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695 [] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918 [] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607 [] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654 [] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35 [] __do_softirq+0x226/0xa3f kernel/softirq.c:273 [] invoke_softirq kernel/softirq.c:350 [inline] [] irq_exit+0x10a/0x150 kernel/softirq.c:391 [] exiting_irq arch/x86/include/asm/apic.h:652 [inline] [] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251 [] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623 [] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52 [] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423 [] default_idle_call+0x48/0x70 kernel/sched/idle.c:93 [] cpuidle_idle_call kernel/sched/idle.c:157 [inline] [] cpu_idle_loop kernel/sched/idle.c:253 [inline] [] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301 [] 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:[] cpu_idle_loop kernel/sched/idle.c:279 [inline] Preemption disabled at:[] 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: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] __schedule_bug.cold+0x60/0x71 kernel/sched/core.c:3138 [] schedule_debug kernel/sched/core.c:3153 [inline] [] __schedule+0x118b/0x1ee0 kernel/sched/core.c:3265 [] schedule+0x99/0x1d0 kernel/sched/core.c:3355 [] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388 [] __mutex_lock_common kernel/locking/mutex.c:582 [inline] [] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621 [] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944 [] generic_file_fsync+0x78/0x120 fs/libfs.c:977 [] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109 [] vfs_fsync_range+0x111/0x260 fs/sync.c:195 [] generic_write_sync include/linux/fs.h:2517 [inline] [] dio_complete+0x3e6/0x720 fs/direct-io.c:266 [] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312 [] bio_endio+0x187/0x1e0 block/bio.c:1786 [] req_bio_endio block/blk-core.c:157 [inline] [] blk_update_request+0x267/0xa50 block/blk-core.c:2653 [] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695 [] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918 [] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607 [] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654 [] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35 [] __do_softirq+0x226/0xa3f kernel/softirq.c:273 [] invoke_softirq kernel/softirq.c:350 [inline] [] irq_exit+0x10a/0x150 kernel/softirq.c:391 [] exiting_irq arch/x86/include/asm/apic.h:652 [inline] [] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251 [] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623 [] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52 [] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423 [] default_idle_call+0x48/0x70 kernel/sched/idle.c:93 [] cpuidle_idle_call kernel/sched/idle.c:157 [inline] [] cpu_idle_loop kernel/sched/idle.c:253 [inline] [] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301 [] 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: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45 [] dequeue_task kernel/sched/core.c:866 [inline] [] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882 [] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286 [] schedule+0x99/0x1d0 kernel/sched/core.c:3355 [] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388 [] __mutex_lock_common kernel/locking/mutex.c:582 [inline] [] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621 [] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944 [] generic_file_fsync+0x78/0x120 fs/libfs.c:977 [] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109 [] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312 [] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312 [] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607 [] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654 [] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35 [] __do_softirq+0x226/0xa3f kernel/softirq.c:273 [] invoke_softirq kernel/softirq.c:350 [inline] [] irq_exit+0x10a/0x150 kernel/softirq.c:391 [] exiting_irq arch/x86/include/asm/apic.h:652 [inline] [] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251 [] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623 [] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52 [] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423 [] default_idle_call+0x48/0x70 kernel/sched/idle.c:93 [] cpuidle_idle_call kernel/sched/idle.c:157 [inline] [] cpu_idle_loop kernel/sched/idle.c:253 [inline] [] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301 [] 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: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45 [] dequeue_task kernel/sched/core.c:866 [inline] [] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882 [] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286 [] schedule+0x99/0x1d0 kernel/sched/core.c:3355 [] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388 [] __mutex_lock_common kernel/locking/mutex.c:582 [inline] [] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621 [] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944 [] generic_file_fsync+0x78/0x120 fs/libfs.c:977 [] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109 [] vfs_fsync_range+0x111/0x260 fs/sync.c:195 [] generic_write_sync include/linux/fs.h:2517 [inline] [] dio_complete+0x3e6/0x720 fs/direct-io.c:266 [] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312 [] bio_endio+0x187/0x1e0 block/bio.c:1786 [] req_bio_endio block/blk-core.c:157 [inline] [] blk_update_request+0x267/0xa50 block/blk-core.c:2653 [] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695 [] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918 [] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607 [] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654 [] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35 [] __do_softirq+0x226/0xa3f kernel/softirq.c:273 [] invoke_softirq kernel/softirq.c:350 [inline] [] irq_exit+0x10a/0x150 kernel/softirq.c:391 [] exiting_irq arch/x86/include/asm/apic.h:652 [inline] [] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251 [] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623 [] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52 [] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423 [] default_idle_call+0x48/0x70 kernel/sched/idle.c:93 [] cpuidle_idle_call kernel/sched/idle.c:157 [inline] [] cpu_idle_loop kernel/sched/idle.c:253 [inline] [] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301 [] 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: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45 [] dequeue_task kernel/sched/core.c:866 [inline] [] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882 [] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286 [] schedule+0x99/0x1d0 kernel/sched/core.c:3355 [] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388 [] __mutex_lock_common kernel/locking/mutex.c:582 [inline] [] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621 [] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944 [] generic_file_fsync+0x78/0x120 fs/libfs.c:977 [] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109 [] vfs_fsync_range+0x111/0x260 fs/sync.c:195 [] generic_write_sync include/linux/fs.h:2517 [inline] [] dio_complete+0x3e6/0x720 fs/direct-io.c:266 [] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312 [] bio_endio+0x187/0x1e0 block/bio.c:1786 [] req_bio_endio block/blk-core.c:157 [inline] [] blk_update_request+0x267/0xa50 block/blk-core.c:2653 [] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695 [] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918 [] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607 [] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654 [] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35 [] __do_softirq+0x226/0xa3f kernel/softirq.c:273 [] invoke_softirq kernel/softirq.c:350 [inline] [] irq_exit+0x10a/0x150 kernel/softirq.c:391 [] exiting_irq arch/x86/include/asm/apic.h:652 [inline] [] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251 [] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623 [] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52 [] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423 [] default_idle_call+0x48/0x70 kernel/sched/idle.c:93 [] cpuidle_idle_call kernel/sched/idle.c:157 [inline] [] cpu_idle_loop kernel/sched/idle.c:253 [inline] [] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301 [] 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: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45 [] dequeue_task kernel/sched/core.c:866 [inline] [] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882 [] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286 [] schedule+0x99/0x1d0 kernel/sched/core.c:3355 [] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388 [] __mutex_lock_common kernel/locking/mutex.c:582 [inline] [] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621 [] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944 [] generic_file_fsync+0x78/0x120 fs/libfs.c:977 [] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109 [] vfs_fsync_range+0x111/0x260 fs/sync.c:195 [] generic_write_sync include/linux/fs.h:2517 [inline] [] dio_complete+0x3e6/0x720 fs/direct-io.c:266 [] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312 [] bio_endio+0x187/0x1e0 block/bio.c:1786 [] req_bio_endio block/blk-core.c:157 [inline] [] blk_update_request+0x267/0xa50 block/blk-core.c:2653 [] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695 [] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918 [] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607 [] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654 [] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35 [] __do_softirq+0x226/0xa3f kernel/softirq.c:273 [] invoke_softirq kernel/softirq.c:350 [inline] [] irq_exit+0x10a/0x150 kernel/softirq.c:391 [] exiting_irq arch/x86/include/asm/apic.h:652 [inline] [] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251 [] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623 [] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52 [] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423 [] default_idle_call+0x48/0x70 kernel/sched/idle.c:93 [] cpuidle_idle_call kernel/sched/idle.c:157 [inline] [] cpu_idle_loop kernel/sched/idle.c:253 [inline] [] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301 [] 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: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45 [] dequeue_task kernel/sched/core.c:866 [inline] [] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882 [] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286 [] schedule+0x99/0x1d0 kernel/sched/core.c:3355 [] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388 [] __mutex_lock_common kernel/locking/mutex.c:582 [inline] [] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621 [] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944 [] generic_file_fsync+0x78/0x120 fs/libfs.c:977 [] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109 [] vfs_fsync_range+0x111/0x260 fs/sync.c:195 [] generic_write_sync include/linux/fs.h:2517 [inline] [] dio_complete+0x3e6/0x720 fs/direct-io.c:266 [] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312 [] bio_endio+0x187/0x1e0 block/bio.c:1786 [] req_bio_endio block/blk-core.c:157 [inline] [] blk_update_request+0x267/0xa50 block/blk-core.c:2653 [] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695 [] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918 [] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607 [] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654 [] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35 [] __do_softirq+0x226/0xa3f kernel/softirq.c:273 [] invoke_softirq kernel/softirq.c:350 [inline] [] irq_exit+0x10a/0x150 kernel/softirq.c:391 [] exiting_irq arch/x86/include/asm/apic.h:652 [inline] [] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251 [] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623 [] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52 [] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423 [] default_idle_call+0x48/0x70 kernel/sched/idle.c:93 [] cpuidle_idle_call kernel/sched/idle.c:157 [inline] [] cpu_idle_loop kernel/sched/idle.c:253 [inline] [] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301 [] 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: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45 [] dequeue_task kernel/sched/core.c:866 [inline] [] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882 [] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286 [] schedule+0x99/0x1d0 kernel/sched/core.c:3355 [] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388 [] __mutex_lock_common kernel/locking/mutex.c:582 [inline] [] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621 [] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944 [] generic_file_fsync+0x78/0x120 fs/libfs.c:977 [] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109 [] vfs_fsync_range+0x111/0x260 fs/sync.c:195 [] generic_write_sync include/linux/fs.h:2517 [inline] [] dio_complete+0x3e6/0x720 fs/direct-io.c:266 [] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312 [] bio_endio+0x187/0x1e0 block/bio.c:1786 [] req_bio_endio block/blk-core.c:157 [inline] [] blk_update_request+0x267/0xa50 block/blk-core.c:2653 [] scsi_end_request+0x9c/0x5d0 drivers/scsi/scsi_lib.c:695 [] scsi_io_completion+0x275/0x1810 drivers/scsi/scsi_lib.c:918 [] scsi_finish_command+0x3a4/0x520 drivers/scsi/scsi.c:607 [] scsi_softirq_done+0x259/0x370 drivers/scsi/scsi_lib.c:1654 [] blk_done_softirq+0x258/0x3a0 block/blk-softirq.c:35 [] __do_softirq+0x226/0xa3f kernel/softirq.c:273 [] invoke_softirq kernel/softirq.c:350 [inline] [] irq_exit+0x10a/0x150 kernel/softirq.c:391 [] exiting_irq arch/x86/include/asm/apic.h:652 [inline] [] do_IRQ+0x111/0x1d0 arch/x86/kernel/irq.c:251 [] common_interrupt+0x9d/0x9d arch/x86/entry/entry_64.S:623 [] ? native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:52 [] arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:423 [] default_idle_call+0x48/0x70 kernel/sched/idle.c:93 [] cpuidle_idle_call kernel/sched/idle.c:157 [inline] [] cpu_idle_loop kernel/sched/idle.c:253 [inline] [] cpu_startup_entry+0x6d1/0x810 kernel/sched/idle.c:301 [] 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: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] dequeue_task_idle+0x1f/0x30 kernel/sched/idle_task.c:45 [] dequeue_task kernel/sched/core.c:866 [inline] [] deactivate_task+0x229/0x2e0 kernel/sched/core.c:882 [] __schedule+0x8e4/0x1ee0 kernel/sched/core.c:3286 [] schedule+0x99/0x1d0 kernel/sched/core.c:3355 [] schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3388 [] __mutex_lock_common kernel/locking/mutex.c:582 [inline] [] mutex_lock_nested+0x3c2/0xb80 kernel/locking/mutex.c:621 [] __generic_file_fsync+0xcf/0x1c0 fs/libfs.c:944 [] generic_file_fsync+0x78/0x120 fs/libfs.c:977 [] ext4_sync_file+0x772/0xf10 fs/ext4/fsync.c:109 [] vfs_fsync_range+0x111/0x260 fs/sync.c:195 [] generic_write_sync include/linux/fs.h:2517 [inline] [] dio_complete+0x3e6/0x720 fs/direct-io.c:266 [] dio_bio_end_aio+0x176/0x3f0 fs/direct-io.c:312 [] bio_endio+0x187/0x1e0 block/bio.c:1786 [