ci starts bisection 2023-01-30 00:06:31.115896642 +0000 UTC m=+622505.061958703
bisecting fixing commit since 200e340f2196d7fd427a5810d06e893b932f145a
building syzkaller on e853abd9a2542fcccb8e1a23eb8ae475500ecaf9
ensuring issue is reproducible on original commit 200e340f2196d7fd427a5810d06e893b932f145a

testing commit 200e340f2196d7fd427a5810d06e893b932f145a gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 2f79b9da5e8933874bf2b472e55f7396b8ae11e18f3142e8568b4cf0081bc7ff
run #0: crashed: INFO: task hung in __generic_file_fsync
run #1: crashed: INFO: task hung in __generic_file_fsync
run #2: crashed: INFO: task hung in __generic_file_fsync
run #3: crashed: INFO: task hung in __generic_file_fsync
run #4: crashed: INFO: task hung in __generic_file_fsync
run #5: crashed: INFO: task hung in __generic_file_fsync
run #6: crashed: INFO: task hung in __generic_file_fsync
run #7: crashed: INFO: task hung in fat_setattr
run #8: crashed: INFO: task hung in __generic_file_fsync
run #9: crashed: INFO: task hung in __generic_file_fsync
run #10: crashed: INFO: task hung in __generic_file_fsync
run #11: crashed: INFO: task hung in __generic_file_fsync
run #12: crashed: INFO: task hung in __generic_file_fsync
run #13: crashed: INFO: task hung in __generic_file_fsync
run #14: crashed: INFO: task hung in __generic_file_fsync
run #15: crashed: INFO: task hung in __generic_file_fsync
run #16: crashed: INFO: task hung in __generic_file_fsync
run #17: crashed: INFO: task hung in fat_setattr
run #18: crashed: INFO: task hung in __generic_file_fsync
run #19: OK
testing current HEAD 22b8077d0fcec86c6ed0e0fce9f7e7e5a4c2d56a
testing commit 22b8077d0fcec86c6ed0e0fce9f7e7e5a4c2d56a gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c066ccd837ec9b72831e1acadda081609d9e690e52faab16814d5637e1da9b82
all runs: crashed: INFO: task hung in __generic_file_fsync
revisions tested: 2, total time: 31m26.234437573s (build: 13m28.748287938s, test: 17m6.104154765s)
the crash still happens on HEAD
commit msg: Merge tag 'fscache-fixes-20230130' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
crash: INFO: task hung in __generic_file_fsync
INFO: task kworker/1:1:26 blocked for more than 143 seconds.
      Not tainted 6.2.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:26512 pid:26    ppid:2      flags:0x00004000
Workqueue: dio/loop4 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0xb4a/0x5410 kernel/sched/core.c:6606
 schedule+0xda/0x1b0 kernel/sched/core.c:6682
 rwsem_down_write_slowpath+0x5fc/0x12d0 kernel/locking/rwsem.c:1190
 __down_write_common kernel/locking/rwsem.c:1305 [inline]
 __down_write_common kernel/locking/rwsem.c:1302 [inline]
 __down_write kernel/locking/rwsem.c:1314 [inline]
 down_write+0x1e4/0x220 kernel/locking/rwsem.c:1563
 inode_lock include/linux/fs.h:756 [inline]
 __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
 fat_file_fsync+0x5b/0x1f0 fs/fat/file.c:191
 generic_write_sync include/linux/fs.h:2885 [inline]
 dio_complete+0x45a/0x8d0 fs/direct-io.c:309
 process_one_work+0x8ba/0x14b0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/1:2:890 blocked for more than 143 seconds.
      Not tainted 6.2.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D stack:27552 pid:890   ppid:2      flags:0x00004000
Workqueue: dio/loop4 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0xb4a/0x5410 kernel/sched/core.c:6606
 schedule+0xda/0x1b0 kernel/sched/core.c:6682
 rwsem_down_write_slowpath+0x5fc/0x12d0 kernel/locking/rwsem.c:1190
 __down_write_common kernel/locking/rwsem.c:1305 [inline]
 __down_write_common kernel/locking/rwsem.c:1302 [inline]
 __down_write kernel/locking/rwsem.c:1314 [inline]
 down_write+0x1e4/0x220 kernel/locking/rwsem.c:1563
 inode_lock include/linux/fs.h:756 [inline]
 __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
 fat_file_fsync+0x5b/0x1f0 fs/fat/file.c:191
 generic_write_sync include/linux/fs.h:2885 [inline]
 dio_complete+0x45a/0x8d0 fs/direct-io.c:309
 process_one_work+0x8ba/0x14b0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/1:3:5041 blocked for more than 143 seconds.
      Not tainted 6.2.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3     state:D stack:25864 pid:5041  ppid:2      flags:0x00004000
Workqueue: dio/loop4 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0xb4a/0x5410 kernel/sched/core.c:6606
 schedule+0xda/0x1b0 kernel/sched/core.c:6682
 rwsem_down_write_slowpath+0x5fc/0x12d0 kernel/locking/rwsem.c:1190
 __down_write_common kernel/locking/rwsem.c:1305 [inline]
 __down_write_common kernel/locking/rwsem.c:1302 [inline]
 __down_write kernel/locking/rwsem.c:1314 [inline]
 down_write+0x1e4/0x220 kernel/locking/rwsem.c:1563
 inode_lock include/linux/fs.h:756 [inline]
 __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
 fat_file_fsync+0x5b/0x1f0 fs/fat/file.c:191
 generic_write_sync include/linux/fs.h:2885 [inline]
 dio_complete+0x45a/0x8d0 fs/direct-io.c:309
 process_one_work+0x8ba/0x14b0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/1:5:5045 blocked for more than 144 seconds.
      Not tainted 6.2.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5     state:D stack:26256 pid:5045  ppid:2      flags:0x00004000
Workqueue: dio/loop4 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0xb4a/0x5410 kernel/sched/core.c:6606
 schedule+0xda/0x1b0 kernel/sched/core.c:6682
 rwsem_down_write_slowpath+0x5fc/0x12d0 kernel/locking/rwsem.c:1190
 __down_write_common kernel/locking/rwsem.c:1305 [inline]
 __down_write_common kernel/locking/rwsem.c:1302 [inline]
 __down_write kernel/locking/rwsem.c:1314 [inline]
 down_write+0x1e4/0x220 kernel/locking/rwsem.c:1563
 inode_lock include/linux/fs.h:756 [inline]
 __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
 fat_file_fsync+0x5b/0x1f0 fs/fat/file.c:191
 generic_write_sync include/linux/fs.h:2885 [inline]
 dio_complete+0x45a/0x8d0 fs/direct-io.c:309
 process_one_work+0x8ba/0x14b0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/1:6:5555 blocked for more than 144 seconds.
      Not tainted 6.2.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:6     state:D stack:27144 pid:5555  ppid:2      flags:0x00004000
Workqueue: dio/loop4 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0xb4a/0x5410 kernel/sched/core.c:6606
 schedule+0xda/0x1b0 kernel/sched/core.c:6682
 rwsem_down_write_slowpath+0x5fc/0x12d0 kernel/locking/rwsem.c:1190
 __down_write_common kernel/locking/rwsem.c:1305 [inline]
 __down_write_common kernel/locking/rwsem.c:1302 [inline]
 __down_write kernel/locking/rwsem.c:1314 [inline]
 down_write+0x1e4/0x220 kernel/locking/rwsem.c:1563
 inode_lock include/linux/fs.h:756 [inline]
 __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
 fat_file_fsync+0x5b/0x1f0 fs/fat/file.c:191
 generic_write_sync include/linux/fs.h:2885 [inline]
 dio_complete+0x45a/0x8d0 fs/direct-io.c:309
 process_one_work+0x8ba/0x14b0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/1:7:5556 blocked for more than 144 seconds.
      Not tainted 6.2.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:7     state:D stack:27672 pid:5556  ppid:2      flags:0x00004000
Workqueue: dio/loop4 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0xb4a/0x5410 kernel/sched/core.c:6606
 schedule+0xda/0x1b0 kernel/sched/core.c:6682
 rwsem_down_write_slowpath+0x5fc/0x12d0 kernel/locking/rwsem.c:1190
 __down_write_common kernel/locking/rwsem.c:1305 [inline]
 __down_write_common kernel/locking/rwsem.c:1302 [inline]
 __down_write kernel/locking/rwsem.c:1314 [inline]
 down_write+0x1e4/0x220 kernel/locking/rwsem.c:1563
 inode_lock include/linux/fs.h:756 [inline]
 __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
 fat_file_fsync+0x5b/0x1f0 fs/fat/file.c:191
 generic_write_sync include/linux/fs.h:2885 [inline]
 dio_complete+0x45a/0x8d0 fs/direct-io.c:309
 process_one_work+0x8ba/0x14b0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/1:9:5617 blocked for more than 144 seconds.
      Not tainted 6.2.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:9     state:D stack:28264 pid:5617  ppid:2      flags:0x00004000
Workqueue: dio/loop4 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0xb4a/0x5410 kernel/sched/core.c:6606
 schedule+0xda/0x1b0 kernel/sched/core.c:6682
 rwsem_down_write_slowpath+0x5fc/0x12d0 kernel/locking/rwsem.c:1190
 __down_write_common kernel/locking/rwsem.c:1305 [inline]
 __down_write_common kernel/locking/rwsem.c:1302 [inline]
 __down_write kernel/locking/rwsem.c:1314 [inline]
 down_write+0x1e4/0x220 kernel/locking/rwsem.c:1563
 inode_lock include/linux/fs.h:756 [inline]
 __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
 fat_file_fsync+0x5b/0x1f0 fs/fat/file.c:191
 generic_write_sync include/linux/fs.h:2885 [inline]
 dio_complete+0x45a/0x8d0 fs/direct-io.c:309
 process_one_work+0x8ba/0x14b0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/1:10:5618 blocked for more than 145 seconds.
      Not tainted 6.2.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:10    state:D stack:25592 pid:5618  ppid:2      flags:0x00004000
Workqueue: dio/loop4 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0xb4a/0x5410 kernel/sched/core.c:6606
 schedule+0xda/0x1b0 kernel/sched/core.c:6682
 rwsem_down_write_slowpath+0x5fc/0x12d0 kernel/locking/rwsem.c:1190
 __down_write_common kernel/locking/rwsem.c:1305 [inline]
 __down_write_common kernel/locking/rwsem.c:1302 [inline]
 __down_write kernel/locking/rwsem.c:1314 [inline]
 down_write+0x1e4/0x220 kernel/locking/rwsem.c:1563
 inode_lock include/linux/fs.h:756 [inline]
 __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
 fat_file_fsync+0x5b/0x1f0 fs/fat/file.c:191
 generic_write_sync include/linux/fs.h:2885 [inline]
 dio_complete+0x45a/0x8d0 fs/direct-io.c:309
 process_one_work+0x8ba/0x14b0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/1:11:5619 blocked for more than 145 seconds.
      Not tainted 6.2.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:11    state:D stack:27608 pid:5619  ppid:2      flags:0x00004000
Workqueue: dio/loop4 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0xb4a/0x5410 kernel/sched/core.c:6606
 schedule+0xda/0x1b0 kernel/sched/core.c:6682
 rwsem_down_write_slowpath+0x5fc/0x12d0 kernel/locking/rwsem.c:1190
 __down_write_common kernel/locking/rwsem.c:1305 [inline]
 __down_write_common kernel/locking/rwsem.c:1302 [inline]
 __down_write kernel/locking/rwsem.c:1314 [inline]
 down_write+0x1e4/0x220 kernel/locking/rwsem.c:1563
 inode_lock include/linux/fs.h:756 [inline]
 __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
 fat_file_fsync+0x5b/0x1f0 fs/fat/file.c:191
 generic_write_sync include/linux/fs.h:2885 [inline]
 dio_complete+0x45a/0x8d0 fs/direct-io.c:309
 process_one_work+0x8ba/0x14b0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
INFO: task kworker/1:12:5620 blocked for more than 145 seconds.
      Not tainted 6.2.0-rc6-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:12    state:D stack:27632 pid:5620  ppid:2      flags:0x00004000
Workqueue: dio/loop4 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5293 [inline]
 __schedule+0xb4a/0x5410 kernel/sched/core.c:6606
 schedule+0xda/0x1b0 kernel/sched/core.c:6682
 rwsem_down_write_slowpath+0x5fc/0x12d0 kernel/locking/rwsem.c:1190
 __down_write_common kernel/locking/rwsem.c:1305 [inline]
 __down_write_common kernel/locking/rwsem.c:1302 [inline]
 __down_write kernel/locking/rwsem.c:1314 [inline]
 down_write+0x1e4/0x220 kernel/locking/rwsem.c:1563
 inode_lock include/linux/fs.h:756 [inline]
 __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
 fat_file_fsync+0x5b/0x1f0 fs/fat/file.c:191
 generic_write_sync include/linux/fs.h:2885 [inline]
 dio_complete+0x45a/0x8d0 fs/direct-io.c:309
 process_one_work+0x8ba/0x14b0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Showing all locks held in the system:
3 locks held by kworker/0:0/7:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc900000c7db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
1 lock held by rcu_tasks_kthre/12:
 #0: ffffffff8b17f9d0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
 #0: ffffffff8b17f6d0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
3 locks held by kworker/1:0/22:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc900001c7db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:1/26:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90000a1fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
1 lock held by khungtaskd/28:
 #0: ffffffff8b180520 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6494
3 locks held by kworker/1:2/890:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90004a2fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/u4:5/1164:
 #0: ffff8880b9d3a518 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:537
 #1: ffff8880b9d277c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2da/0x930 kernel/sched/psi.c:976
 #2: ffff8880b9d28618 (&base->lock){-.-.}-{2:2}, at: __mod_timer+0x4e7/0xca0 kernel/time/timer.c:1112
2 locks held by getty/4709:
 #0: ffff888025781098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x1f/0x70 drivers/tty/tty_ldisc.c:244
 #1: ffffc900015802f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xb6f/0x1040 drivers/tty/n_tty.c:2177
3 locks held by kworker/1:3/5041:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90003b4fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:4/5044:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90003b7fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:5/5045:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90003b8fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:6/5555:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005977db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:7/5556:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005987db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:8/5616:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005a07db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:9/5617:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005ab7db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:10/5618:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005ac7db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:11/5619:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005ad7db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:12/5620:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005af7db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:13/5621:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005b07db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:14/5622:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005b17db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:15/5623:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005b27db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:16/5624:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005b37db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:17/5625:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005b47db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:18/5626:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005b57db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:19/5627:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005b67db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:20/5637:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005a97db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:21/5642:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005c07db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:22/5643:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005c17db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:23/5659:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005c67db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:24/5661:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005ce7db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:25/5662:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005cf7db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:26/5663:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005d07db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:27/5664:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005d17db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:28/5665:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005d27db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:29/5724:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000615fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:30/5749:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a31fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/0:31/5779:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a40fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/0:32/5780:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005de7db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:31/5813:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a50fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:32/5815:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a52fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:33/5817:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a54fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:34/5818:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a55fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:35/5819:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a56fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:36/5820:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a57fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:37/5822:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a59fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:38/5824:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a5bfdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:39/5826:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a5dfdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:40/5829:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a60fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:41/5830:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a61fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:42/5832:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a63fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:43/5833:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a64fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:44/5834:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a65fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:45/5835:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a66fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:46/5836:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a67fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:47/5837:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a68fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:48/5838:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a69fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:49/5839:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a6afdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:50/5840:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a6bfdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:51/5841:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a6cfdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:52/5842:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a6dfdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:53/5843:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a6efdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:54/5844:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a6ffdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:55/5845:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a70fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:56/5846:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a71fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:57/5847:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a72fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:58/5848:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000a73fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/0:55/6207:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000b0d7db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:59/6242:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000b217db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:60/6540:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000b8a7db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:61/6541:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000b857db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:62/6793:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90002e8fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:63/6794:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90002e9fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/0:71/6804:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90002eefdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
2 locks held by syz-executor.4/6836:
 #0: ffff88806c7f6460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 #0: ffff88806c7f6460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 #1: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #1: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: do_truncate+0xdc/0x1a0 fs/open.c:63
3 locks held by dio/loop4/6844:
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806e8ca938 ((wq_completion)dio/loop4){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90002fffd58 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888069ca08e0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:64/6853:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc900030afdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:65/6876:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc900031bfdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:66/6878:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc900031dfdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:67/6879:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc900031efdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:68/6880:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc900031ffdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:69/6881:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000320fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:70/6882:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000321fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:71/6883:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000322fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:72/6884:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000323fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:73/6885:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000324fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:74/6886:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc900030efdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:75/6887:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc9000325fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:76/7064:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc900038afdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:77/7080:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc900039a7db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:78/7290:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90004887db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:79/7329:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90004a9fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:80/7374:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90004befdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:81/7375:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90004d8fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:82/7381:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90004d9fdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:83/7425:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90004fafdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:84/7426:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90004fbfdb8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:85/7494:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90004f47db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:86/7495:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc900059b7db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
2 locks held by syz-executor.5/7531:
 #0: ffff88806b61e460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 #0: ffff88806b61e460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 #1: ffff888072dd7430 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #1: ffff888072dd7430 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: do_truncate+0xdc/0x1a0 fs/open.c:63
1 lock held by syz-executor.5/7540:
 #0: ffff888072dd7430 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #0: ffff888072dd7430 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: generic_file_write_iter+0x89/0x2c0 mm/filemap.c:3929
2 locks held by syz-executor.1/7533:
 #0: ffff88806f25a460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 #0: ffff88806f25a460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 #1: ffff88806a8bc800 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #1: ffff88806a8bc800 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: do_truncate+0xdc/0x1a0 fs/open.c:63
1 lock held by syz-executor.1/7543:
 #0: ffff88806a8bc800 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #0: ffff88806a8bc800 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: generic_file_write_iter+0x89/0x2c0 mm/filemap.c:3929
2 locks held by syz-executor.0/7536:
 #0: ffff888061b1e460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 #0: ffff888061b1e460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 #1: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #1: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: do_truncate+0xdc/0x1a0 fs/open.c:63
1 lock held by syz-executor.0/7545:
 #0: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #0: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: generic_file_write_iter+0x89/0x2c0 mm/filemap.c:3929
2 locks held by syz-executor.3/7538:
 #0: ffff88801aeb6460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 #0: ffff88801aeb6460 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 #1: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #1: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: do_truncate+0xdc/0x1a0 fs/open.c:63
1 lock held by syz-executor.3/7544:
 #0: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #0: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: generic_file_write_iter+0x89/0x2c0 mm/filemap.c:3929
3 locks held by dio/loop5/7541:
 #0: ffff88806d5fd538 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806d5fd538 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806d5fd538 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806d5fd538 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806d5fd538 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806d5fd538 ((wq_completion)dio/loop5){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005d57d58 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd7430 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd7430 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by dio/loop1/7546:
 #0: ffff88806ef24538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff88806ef24538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff88806ef24538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff88806ef24538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff88806ef24538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff88806ef24538 ((wq_completion)dio/loop1){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005bf7d58 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bc800 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bc800 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by dio/loop3/7547:
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208da138 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005dc7d58 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff888072dd1bd0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by dio/loop0/7548:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005c47d58 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:87/7549:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005d37db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136
3 locks held by kworker/1:88/7550:
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff8880208dbd38 ((wq_completion)dio/loop0){+.+.}-{0:0}, at: process_one_work+0x7a0/0x14b0 kernel/workqueue.c:2260
 #1: ffffc90005df7db8 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7cf/0x14b0 kernel/workqueue.c:2264
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
 #2: ffff88806a8bd4a0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: __generic_file_fsync+0x82/0x190 fs/libfs.c:1136

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x18/0x106 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x255/0x2d0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
 watchdog+0x8c4/0xc60 kernel/hung_task.c:377
 kthread+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 7721 Comm: kworker/1:105 Not tainted 6.2.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: events kfree_rcu_work
RIP: 0010:trace_lock_release include/trace/events/lock.h:69 [inline]
RIP: 0010:lock_release+0xdd/0x810 kernel/locking/lockdep.c:5679
Code: 0f 83 6c 05 00 00 45 89 f6 be 08 00 00 00 4c 89 f0 48 c1 e8 06 48 8d 3c c5 10 84 f2 8c e8 db 7d 5c 00 4c 0f a3 35 73 27 9a 0b <0f> 82 b6 04 00 00 48 c7 c3 2c b9 f2 8c 48 b8 00 00 00 00 00 fc ff
RSP: 0018:ffffc9000abafa50 EFLAGS: 00000047
RAX: 0000000000000001 RBX: 0000000000000003 RCX: ffffffff81585c95
RDX: fffffbfff19e5083 RSI: 0000000000000008 RDI: ffffffff8cf28410
RBP: 1ffff92001575f4c R08: 0000000000000000 R09: ffffffff8cf28417
R10: fffffbfff19e5082 R11: 0000000000000000 R12: ffffffff905171a0
R13: ffffffff890d5f60 R14: 0000000000000001 R15: ffff88802592fd80
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055d3cd18c110 CR3: 000000000ae8e000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline]
 _raw_spin_unlock_irqrestore+0x16/0x70 kernel/locking/spinlock.c:194
 debug_object_active_state lib/debugobjects.c:949 [inline]
 debug_object_active_state+0x260/0x350 lib/debugobjects.c:918
 debug_rcu_head_unqueue kernel/rcu/rcu.h:198 [inline]
 debug_rcu_bhead_unqueue kernel/rcu/tree.c:2966 [inline]
 kfree_rcu_work+0x263/0xa60 kernel/rcu/tree.c:3065
 process_one_work+0x8ba/0x14b0 kernel/workqueue.c:2289
 worker_thread+0x598/0xec0 kernel/workqueue.c:2436
 kthread+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>