INFO: task syz-executor.2:6143 blocked for more than 143 seconds.
      Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:0     pid:6143  tgid:6143  ppid:1      flags:0x0000000d
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:556
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1354/0x2360 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0xb8/0x19c kernel/sched/core.c:6778
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6835
 rwsem_down_write_slowpath+0xcfc/0x1aa0 kernel/locking/rwsem.c:1178
 __down_write_common kernel/locking/rwsem.c:1306 [inline]
 __down_write kernel/locking/rwsem.c:1315 [inline]
 down_write+0xb4/0xc0 kernel/locking/rwsem.c:1580
 __super_lock fs/super.c:56 [inline]
 __super_lock_excl fs/super.c:71 [inline]
 deactivate_super+0xd8/0x100 fs/super.c:516
 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1256
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1263
 task_work_run+0x230/0x2e0 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 do_notify_resume+0x214c/0x393c arch/arm64/kernel/signal.c:1305
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline]
 el0_svc+0x9c/0x158 arch/arm64/kernel/entry-common.c:679
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595

Showing all locks held in the system:
1 lock held by khungtaskd/29:
 #0: ffff80008e6c48c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:300
2 locks held by getty/5861:
 #0: ffff0000cce9b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800094e402f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2201
1 lock held by syz-executor.2/6143:
 #0: ffff0000d93f80e0 (&type->s_umount_key#25){++++}-{3:3}, at: __super_lock fs/super.c:56 [inline]
 #0: ffff0000d93f80e0 (&type->s_umount_key#25){++++}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
 #0: ffff0000d93f80e0 (&type->s_umount_key#25){++++}-{3:3}, at: deactivate_super+0xd8/0x100 fs/super.c:516
4 locks held by syz-executor.1/7079:
 #0: ffff0000d93f80e0 (&type->s_umount_key#25){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
 #0: ffff0000d93f80e0 (&type->s_umount_key#25){++++}-{3:3}, at: super_lock+0x160/0x328 fs/super.c:117
 #1: ffff8000976890f0 (&journal->j_mutex){+.+.}-{3:3}, at: reiserfs_mutex_lock_safe fs/reiserfs/reiserfs.h:813 [inline]
 #1: ffff8000976890f0 (&journal->j_mutex){+.+.}-{3:3}, at: lock_journal fs/reiserfs/journal.c:533 [inline]
 #1: ffff8000976890f0 (&journal->j_mutex){+.+.}-{3:3}, at: do_journal_end+0x304/0x3e1c fs/reiserfs/journal.c:4026
 #2: ffff800097689180 (&journal->j_flush_mutex){+.+.}-{3:3}, at: reiserfs_mutex_lock_safe fs/reiserfs/reiserfs.h:813 [inline]
 #2: ffff800097689180 (&journal->j_flush_mutex){+.+.}-{3:3}, at: flush_journal_list+0x168/0x18e0 fs/reiserfs/journal.c:1368
 #3: ffff0000d502c090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_mutex_lock_safe fs/reiserfs/reiserfs.h:813 [inline]
 #3: ffff0000d502c090 (&sbi->lock){+.+.}-{3:3}, at: flush_commit_list+0x568/0x18f0 fs/reiserfs/journal.c:1006
1 lock held by syz-executor.5/7159:
 #0: ffff0000d93f80e0 (&type->s_umount_key#25){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
 #0: ffff0000d93f80e0 (&type->s_umount_key#25){++++}-{3:3}, at: super_lock+0x160/0x328 fs/super.c:117
1 lock held by syz-executor.1/7175:
 #0: ffff0000d93f80e0 (&type->s_umount_key#25){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
 #0: ffff0000d93f80e0 (&type->s_umount_key#25){++++}-{3:3}, at: super_lock+0x160/0x328 fs/super.c:117

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