syzbot


INFO: task hung in hfsplus_file_fsync

Status: auto-obsoleted due to no activity on 2024/04/27 15:40
Subsystems: hfs
[Documentation on labels]
First crash: 365d, last: 365d

Sample crash report:
INFO: task kworker/1:0:23 blocked for more than 143 seconds.
      Not tainted 6.8.0-rc1-syzkaller-00356-g8a696a29c690 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:24128 pid:23    tgid:23    ppid:2      flags:0x00004000
Workqueue: dio/loop3 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf12/0x5c00 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
 __down_write_common+0x948/0x1400 kernel/locking/rwsem.c:1306
 inode_lock include/linux/fs.h:802 [inline]
 hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
 vfs_fsync_range+0x141/0x220 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2735 [inline]
 dio_complete+0x71b/0x8e0 fs/direct-io.c:314
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
INFO: task kworker/1:1:27 blocked for more than 143 seconds.
      Not tainted 6.8.0-rc1-syzkaller-00356-g8a696a29c690 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:23712 pid:27    tgid:27    ppid:2      flags:0x00004000
Workqueue: dio/loop3 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf12/0x5c00 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
 __down_write_common+0x948/0x1400 kernel/locking/rwsem.c:1306
 inode_lock include/linux/fs.h:802 [inline]
 hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
 vfs_fsync_range+0x141/0x220 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2735 [inline]
 dio_complete+0x71b/0x8e0 fs/direct-io.c:314
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
INFO: task kworker/1:2:1788 blocked for more than 143 seconds.
      Not tainted 6.8.0-rc1-syzkaller-00356-g8a696a29c690 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D stack:24112 pid:1788  tgid:1788  ppid:2      flags:0x00004000
Workqueue: dio/loop3 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf12/0x5c00 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
 __down_write_common+0x948/0x1400 kernel/locking/rwsem.c:1306
 inode_lock include/linux/fs.h:802 [inline]
 hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
 vfs_fsync_range+0x141/0x220 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2735 [inline]
 dio_complete+0x71b/0x8e0 fs/direct-io.c:314
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
INFO: task kworker/1:5:5151 blocked for more than 144 seconds.
      Not tainted 6.8.0-rc1-syzkaller-00356-g8a696a29c690 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5     state:D stack:23968 pid:5151  tgid:5151  ppid:2      flags:0x00004000
Workqueue: dio/loop3 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf12/0x5c00 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
 __down_write_common+0x948/0x1400 kernel/locking/rwsem.c:1306
 inode_lock include/linux/fs.h:802 [inline]
 hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
 vfs_fsync_range+0x141/0x220 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2735 [inline]
 dio_complete+0x71b/0x8e0 fs/direct-io.c:314
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
INFO: task kworker/1:6:5156 blocked for more than 145 seconds.
      Not tainted 6.8.0-rc1-syzkaller-00356-g8a696a29c690 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:6     state:D stack:24064 pid:5156  tgid:5156  ppid:2      flags:0x00004000
Workqueue: dio/loop3 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf12/0x5c00 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
 __down_write_common+0x948/0x1400 kernel/locking/rwsem.c:1306
 inode_lock include/linux/fs.h:802 [inline]
 hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
 vfs_fsync_range+0x141/0x220 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2735 [inline]
 dio_complete+0x71b/0x8e0 fs/direct-io.c:314
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
INFO: task kworker/1:3:13242 blocked for more than 146 seconds.
      Not tainted 6.8.0-rc1-syzkaller-00356-g8a696a29c690 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3     state:D stack:24096 pid:13242 tgid:13242 ppid:2      flags:0x00004000
Workqueue: dio/loop3 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf12/0x5c00 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
 __down_write_common+0x948/0x1400 kernel/locking/rwsem.c:1306
 inode_lock include/linux/fs.h:802 [inline]
 hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
 vfs_fsync_range+0x141/0x220 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2735 [inline]
 dio_complete+0x71b/0x8e0 fs/direct-io.c:314
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
INFO: task kworker/1:4:22936 blocked for more than 146 seconds.
      Not tainted 6.8.0-rc1-syzkaller-00356-g8a696a29c690 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:27568 pid:22936 tgid:22936 ppid:2      flags:0x00004000
Workqueue: dio/loop3 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf12/0x5c00 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
 __down_write_common+0x948/0x1400 kernel/locking/rwsem.c:1306
 inode_lock include/linux/fs.h:802 [inline]
 hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
 vfs_fsync_range+0x141/0x220 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2735 [inline]
 dio_complete+0x71b/0x8e0 fs/direct-io.c:314
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
INFO: task kworker/1:7:22937 blocked for more than 146 seconds.
      Not tainted 6.8.0-rc1-syzkaller-00356-g8a696a29c690 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:7     state:D stack:28064 pid:22937 tgid:22937 ppid:2      flags:0x00004000
Workqueue: dio/loop3 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf12/0x5c00 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
 __down_write_common+0x948/0x1400 kernel/locking/rwsem.c:1306
 inode_lock include/linux/fs.h:802 [inline]
 hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
 vfs_fsync_range+0x141/0x220 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2735 [inline]
 dio_complete+0x71b/0x8e0 fs/direct-io.c:314
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
INFO: task kworker/1:8:22938 blocked for more than 147 seconds.
      Not tainted 6.8.0-rc1-syzkaller-00356-g8a696a29c690 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:8     state:D stack:28064 pid:22938 tgid:22938 ppid:2      flags:0x00004000
Workqueue: dio/loop3 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf12/0x5c00 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
 __down_write_common+0x948/0x1400 kernel/locking/rwsem.c:1306
 inode_lock include/linux/fs.h:802 [inline]
 hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
 vfs_fsync_range+0x141/0x220 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2735 [inline]
 dio_complete+0x71b/0x8e0 fs/direct-io.c:314
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
INFO: task kworker/1:9:23278 blocked for more than 147 seconds.
      Not tainted 6.8.0-rc1-syzkaller-00356-g8a696a29c690 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:9     state:D stack:28064 pid:23278 tgid:23278 ppid:2      flags:0x00004000
Workqueue: dio/loop3 dio_aio_complete_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5400 [inline]
 __schedule+0xf12/0x5c00 kernel/sched/core.c:6727
 __schedule_loop kernel/sched/core.c:6802 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6817
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6874
 rwsem_down_write_slowpath kernel/locking/rwsem.c:1178 [inline]
 __down_write_common+0x948/0x1400 kernel/locking/rwsem.c:1306
 inode_lock include/linux/fs.h:802 [inline]
 hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
 vfs_fsync_range+0x141/0x220 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2735 [inline]
 dio_complete+0x71b/0x8e0 fs/direct-io.c:314
 process_one_work+0x886/0x15d0 kernel/workqueue.c:2633
 process_scheduled_works kernel/workqueue.c:2706 [inline]
 worker_thread+0x8b9/0x1290 kernel/workqueue.c:2787
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings

Showing all locks held in the system:
3 locks held by kworker/1:0/23:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc900001d7d80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:1/27:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90000a2fd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
1 lock held by khungtaskd/29:
 #0: ffffffff8d1acba0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
 #0: ffffffff8d1acba0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
 #0: ffffffff8d1acba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
3 locks held by kworker/1:2/1788:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004d4fd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
1 lock held by klogd/4498:
 #0: ffff8880b983ccd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:559
2 locks held by getty/4804:
 #0: ffff888029a8d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
 #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490 drivers/tty/n_tty.c:2201
2 locks held by kworker/0:3/4840:
 #0: ffff88801308a938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc9000311fd80 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
3 locks held by kworker/u5:2/5088:
 #0: ffff88807d13e138 ((wq_completion)hci6){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004427d80 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff8880202d5060 (&hdev->req_lock){+.+.}-{3:3}, at: hci_cmd_sync_work+0x170/0x410 net/bluetooth/hci_sync.c:305
5 locks held by kworker/0:4/5147:
 #0: ffff88801370f138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004777d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88802245a190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
 #2: ffff88802245a190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4e10 drivers/usb/core/hub.c:5793
 #3: ffff88802245d510 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3151 [inline]
 #3: ffff88802245d510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5362 [inline]
 #3: ffff88802245d510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5605 [inline]
 #3: ffff88802245d510 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5765 [inline]
 #3: ffff88802245d510 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x27fe/0x4e10 drivers/usb/core/hub.c:5847
 #4: ffff888020bc44a8 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5363 [inline]
 #4: ffff888020bc44a8 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5605 [inline]
 #4: ffff888020bc44a8 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5765 [inline]
 #4: ffff888020bc44a8 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x2827/0x4e10 drivers/usb/core/hub.c:5847
3 locks held by kworker/0:5/5148:
 #0: ffff8880290cdd38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004a07d80 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffffffff8ecc2028 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xcf/0x14b0 net/ipv6/addrconf.c:4129
3 locks held by kworker/1:5/5151:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004a37d80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:6/5156:
 #0: ffff88807d8ac538
 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004a77d80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:3/13242:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc9000324fd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:4/22936:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90016287d80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:7/22937:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc900162cfd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: 
ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:8/22938:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc900162efd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:9/23278:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004af7d80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:10/23279:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90003e77d80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:11/23280:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004a17d80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:12/23281:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004b07d80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:13/23283:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004ac7d80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:14/23285:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004b17d80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:15/23286:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004097d80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
2 locks held by syz-executor.3/23324:
 #0: ffff88801af56420 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 #0: ffff88801af56420 (sb_writers#13){.+.+}-{0:0}, at: do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
 #1: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #1: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: do_truncate+0x14b/0x220 fs/open.c:64
1 lock held by syz-executor.3/23333:
 #0: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #0: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: generic_file_write_iter+0x92/0x350 mm/filemap.c:4048
3 locks held by kworker/R-dio/l/23341:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004dffd10 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:16/23343:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004e1fd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:17/23344:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004e2fd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:18/23346:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004e3fd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:19/23347:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004e4fd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:20/23350:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004b27d80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:21/23351:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004e5fd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:22/23352:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004e7fd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:23/23353:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004a87d80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:24/23354:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004e8fd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:25/23355:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004e9fd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:26/23356:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004eafd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:27/23359:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004ecfd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:28/23360:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004defd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:29/23361:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004edfd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:30/23362:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004eefd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:31/23363:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004effd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:32/23364:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004f0fd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
3 locks held by kworker/1:34/23366:
 #0: ffff88807d8ac538 ((wq_completion)dio/loop3){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2608
 #1: ffffc90004f2fd80 ((work_completion)(&dio->complete_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2609
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline]
 #2: ffff88803cf989c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: hfsplus_file_fsync+0x104/0x5d0 fs/hfsplus/inode.c:312
2 locks held by syz-executor.2/29072:
 #0: ffffffff8ecc2028 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
 #0: ffffffff8ecc2028 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe00 net/core/rtnetlink.c:6612
 #1: ffffffff8d1b83f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline]
 #1: ffffffff8d1b83f8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3ff/0x800 kernel/rcu/tree_exp.h:995
1 lock held by syz-executor.2/29073:
 #0: ffffffff8ecc2028 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
 #0: ffffffff8ecc2028 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x372/0xe00 net/core/rtnetlink.c:6612
1 lock held by syz-executor.3/29074:
 #0: ffffffff8ecc2028 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:697 [inline]
 #0: ffffffff8ecc2028 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x240 drivers/net/tun.c:3505

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

NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc1-syzkaller-00356-g8a696a29c690 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x277/0x390 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xf87/0x1210 kernel/hung_task.c:379
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x1b/0x20 drivers/acpi/processor_idle.c:112

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/01/28 15:32 upstream 8a696a29c690 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in hfsplus_file_fsync
* Struck through repros no longer work on HEAD.