INFO: task kworker/0:0:7 blocked for more than 143 seconds.
      Not tainted 6.1.29-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0     state:D stack:0     pid:7     ppid:2      flags:0x00000008
Workqueue: events_long flush_old_commits

Call trace:
 __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0xee4/0x1c98 kernel/sched/core.c:6554
 schedule+0xc4/0x170 kernel/sched/core.c:6630
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6689
 __mutex_lock_common+0xbd8/0x21a0 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799
 reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
 reiserfs_sync_fs fs/reiserfs/super.c:76 [inline]
 flush_old_commits+0x1b0/0x2b8 fs/reiserfs/super.c:111
 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2289
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2436
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860

Showing all locks held in the system:
4 locks held by kworker/0:0/7:
 #0: 
ffff0000c0021538
 (
(wq_completion)events_long
){+.+.}-{0:0}
, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2262
 #1: 
ffff800019b47c20
 (
(work_completion)(&(&sbi->old_work)->work)
){+.+.}-{0:0}
, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2264
 #2: 
ffff0000d537e0e0 (
&type->s_umount_key
#39
){++++}-{3:3}
, at: flush_old_commits+0xcc/0x2b8 fs/reiserfs/super.c:97
 #3: 
ffff0000d58ed090
 (
&sbi->lock
){+.+.}-{3:3}
, at: reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27
1 lock held by rcu_tasks_kthre/12:
 #0: 
ffff800015774ef0
 (
rcu_tasks.tasks_gp_mutex
){+.+.}-{3:3}
, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:510
1 lock held by rcu_tasks_trace/13:
 #0: 
ffff8000157756f0
 (
rcu_tasks_trace.tasks_gp_mutex
){+.+.}-{3:3}
, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:510
1 lock held by khungtaskd/28:
 #0: 
ffff800015774d20
 (
rcu_read_lock
){....}-{1:2}
, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:305
2 locks held by getty/3976:
 #0: 
ffff0000d0cce098
 (
&tty->ldisc_sem
){++++}-{0:0}
, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: 
ffff80001ca202f0
 (
&ldata->atomic_read_lock
){+.+.}-{3:3}
, at: n_tty_read+0x414/0x1210 drivers/tty/n_tty.c:2177
6 locks held by syz-executor930/4253:

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