keychord: Insufficient bytes present for header 3 input: syz0 as /devices/virtual/input/input11 BUG: sleeping function called from invalid context at mm/page-writeback.c:2120 in_atomic(): 1, irqs_disabled(): 0, pid: 0, name: swapper/0 no locks held by swapper/0/0. 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: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.174+ #4 0000000000000000 005241a58681bd69 ffff8801db607520 ffffffff81aad1a1 ffffffff82e151c0 0000000000000101 ffffffff82e151c0 0000000000000101 ffffffff82e151c0 ffff8801db607558 ffffffff813a6f33 0000000000000000 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 [] tag_pages_for_writeback+0xa0/0x1a0 mm/page-writeback.c:2120 [] ext4_writepages+0xaf9/0x2c40 fs/ext4/inode.c:2582 [] do_writepages+0xfc/0x1e0 mm/page-writeback.c:2341 [] __filemap_fdatawrite_range+0x1ad/0x260 mm/filemap.c:347 [] filemap_write_and_wait_range mm/filemap.c:533 [inline] [] filemap_write_and_wait_range+0x5c/0xb0 mm/filemap.c:527 [] __generic_file_fsync+0x9b/0x1c0 fs/libfs.c:940 [] 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 input: syz0 as /devices/virtual/input/input12 [] 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 [] rest_init+0x190/0x199 init/main.c:410 [] start_kernel+0x64a/0x67e init/main.c:682 [] x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:196 [] x86_64_start_kernel+0x137/0x15a arch/x86/kernel/head64.c:185 ================================= [ INFO: inconsistent lock state ] 4.4.174+ #4 Not tainted --------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. swapper/0/0 [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: 3244172 hardirqs last enabled at (3244172): [ 124.818673] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=45611 sclass=netlink_route_socket [] quarantine_put+0xda/0x180 mm/kasan/quarantine.c:209 hardirqs last disabled at (3244171): [] quarantine_put+0x52/0x180 mm/kasan/quarantine.c:186 softirqs last enabled at (3244112): [] _local_bh_enable+0x1c/0x50 kernel/softirq.c:144 softirqs last disabled at (3244113): [] invoke_softirq kernel/softirq.c:350 [inline] softirqs last disabled at (3244113): [] irq_exit+0x10a/0x150 kernel/softirq.c:391 other info that might help us debug this: binder: 3711:3714 Acquire 1 refcount change on invalid ref 0 ret -22 binder: 3711:3714 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 Possible unsafe locking scenario: CPU0 ---- lock([ 124.896645] audit: type=1401 audit(1552389457.383:16): op=fscreate invalid_context="@" &sb->s_type->i_mutex_key#9); lock(&sb->s_type->i_mutex_key[ 124.916670] binder: 3711:3718 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 3711:3718 BC_ACQUIRE_DONE u0000000000000000 no match binder: 3711:3718 Release 1 refcount change on invalid ref 3 ret -22 binder: 3711:3718 Acquire 1 refcount change on invalid ref 3 ret -22 binder: 3711:3718 Release 1 refcount change on invalid ref 0 ret -22 binder: 3711:3718 BC_ACQUIRE_DONE u0000000000000000 no match audit: type=1401 audit(1552389457.383:17): op=fscreate invalid_context="@" binder: 3711:3723 BC_DEAD_BINDER_DONE 0000000000000000 not found #9[ 124.977587] audit: type=1401 audit(1552389457.383:18): op=fscreate invalid_context="@" ); *** DEADLOCK *** no locks held by swapper/0/0. stack backtrace: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.174+ #4 0000000000000000 005241a58681bd69 ffff8801db607610 ffffffff81aad1a1 0000000000000090 ffffffff82e151c0 ffffffff83abf2c0 ffffffff84057a80 ffffffff82e15aa8 ffff8801db607688 ffffffff813ad456 0000000000000001 Call Trace: audit: type=1401 audit(1552389457.383:19): op=fscreate invalid_context="@" [] __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 audit: type=1401 audit(1552389457.383:20): op=fscreate invalid_context="@" [] 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 [] rest_init+0x190/0x199 init/main.c:410 [] start_kernel+0x64a/0x67e init/main.c:682 [] x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:196 [] x86_64_start_kernel+0x137/0x15a arch/x86/kernel/head64.c:185 BUG: scheduling while atomic: swapper/0/0/0x00000102 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: 0 PID: 0 Comm: swapper/0 Not tainted 4.4.174+ #4 0000000000000000 005241a58681bd69 ffff8801db607800 ffffffff81aad1a1 0000000000000000 ffffffff82e151c0 0000000000000102 0000000000000000 000000000001e880 ffff8801db607820 ffffffff813a6fa9 ffff8801db61e880 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 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=45611 sclass=netlink_route_socket [] 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 binder: 3711:3723 Acquire 1 refcount change on invalid ref 0 ret -22 binder: 3711:3723 unknown command 536872576 binder: 3711:3723 ioctl c0306201 20008fd0 returned -22 binder: 3711:3737 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 3711:3723 BC_ACQUIRE_DONE u0000000000000000 no match binder: 3711:3723 Release 1 refcount change on invalid ref 3 ret -22 binder: 3711:3723 Acquire 1 refcount change on invalid ref 3 ret -22 binder: 3711:3723 Release 1 refcount change on invalid ref 0 ret -22 binder: 3711:3723 BC_ACQUIRE_DONE u0000000000000000 no match binder: 3711:3737 BC_DEAD_BINDER_DONE 0000000000000000 not found [] 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 [] rest_init+0x190/0x199 init/main.c:410 [] start_kernel+0x64a/0x67e init/main.c:682 [] x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:196 [] x86_64_start_kernel+0x137/0x15a arch/x86/kernel/head64.c:185 bad: scheduling from the idle thread! CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.4.174+ #4 0000000000000000 005241a58681bd69 ffff8801db6077d0 ffffffff81aad1a1 ffffffff828463c0 ffff8801db61e880 ffff8801db61e880 0000000000000001 0000001d5028a581 ffff8801db6077e8 ffffffff8117bbff ffffffff82e151c0 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 [] rest_init+0x190/0x199 init/main.c:410 [] start_kernel+0x64a/0x67e init/main.c:682 [] x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:196 [] x86_64_start_kernel+0x137/0x15a arch/x86/kernel/head64.c:185 bad: scheduling from the idle thread! CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.4.174+ #4 0000000000000000 005241a58681bd69 ffff8801db6077d0 ffffffff81aad1a1 ffffffff828463c0 ffff8801db61e880 ffff8801db61e880 0000000000000001 0000001d6680db4b ffff8801db6077e8 ffffffff8117bbff ffffffff82e151c0 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 [] rest_init+0x190/0x199 init/main.c:410 [] start_kernel+0x64a/0x67e init/main.c:682 [] x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:196 [] x86_64_start_kernel+0x137/0x15a arch/x86/kernel/head64.c:185 bad: scheduling from the idle thread! CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.4.174+ #4 0000000000000000 005241a58681bd69 ffff8801db6077d0 ffffffff81aad1a1 ffffffff828463c0 ffff8801db61e880 ffff8801db61e880 0000000000000001 0000001d7cf27210 ffff8801db6077e8 ffffffff8117bbff ffffffff82e151c0 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 [] rest_init+0x190/0x199 init/main.c:410 [] start_kernel+0x64a/0x67e init/main.c:682 [] x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:196 [] x86_64_start_kernel+0x137/0x15a arch/x86/kernel/head64.c:185 bad: scheduling from the idle thread! CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.4.174+ #4 0000000000000000 005241a58681bd69 ffff8801db6077d0 ffffffff81aad1a1 ffffffff828463c0 ffff8801db61e880 ffff8801db61e880 0000000000000001 0000001d935ed648 ffff8801db6077e8 ffffffff8117bbff ffffffff82e151c0 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 [] rest_init+0x190/0x199 init/main.c:410 [] start_kernel+0x64a/0x67e init/main.c:682 [] x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:196 [] x86_64_start_kernel+0x137/0x15a arch/x86/kernel/head64.c:185 bad: scheduling from the idle thread! CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.4.174+ #4 0000000000000000 005241a58681bd69 ffff8801db6077d0 ffffffff81aad1a1 ffffffff828463c0 ffff8801db61e880 ffff8801db61e880 0000000000000001 0000001daab201c5 ffff8801db6077e8 ffffffff8117bbff ffffffff82e151c0 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 [] rest_init+0x190/0x199 init/main.c:410 [] start_kernel+0x64a/0x67e init/main.c:682 [] x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:196 [] x86_64_start_kernel+0x137/0x15a arch/x86/kernel/head64.c:185 bad: scheduling from the idle thread! CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.4.174+ #4 0000000000000000 005241a58681bd69 ffff8801db6077d0 ffffffff81aad1a1 ffffffff828463c0 ffff8801db61e880 ffff8801db61e880 0000000000000001 0000001dc135e0b2 ffff8801db6077e8 ffffffff8117bbff ffffffff82e151c0 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 [