INFO: task syz.1.401:8442 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.401       state:D stack:0     pid:8442  tgid:8437  ppid:7052   flags:0x00000001
Call trace:
 __switch_to+0x314/0x560 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x14ac/0x24d8 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0xbc/0x238 kernel/sched/core.c:6837
 io_schedule+0x8c/0x124 kernel/sched/core.c:9043
 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1307
 __folio_lock+0x2c/0x3c mm/filemap.c:1645
 lock_page include/linux/pagemap.h:1081 [inline]
 release_metapage+0x168/0xc4c fs/jfs/jfs_metapage.c:764
 discard_metapage fs/jfs/jfs_metapage.h:88 [inline]
 __get_metapage+0xb10/0x1054 fs/jfs/jfs_metapage.c:644
 jfs_readdir+0x1ed4/0x37bc fs/jfs/jfs_dtree.c:3018
 wrap_directory_iterator+0xa8/0xf4 fs/readdir.c:67
 shared_jfs_readdir+0x30/0x40 fs/jfs/namei.c:1540
 iterate_dir+0x408/0x648 fs/readdir.c:110
 __do_sys_getdents64 fs/readdir.c:409 [inline]
 __se_sys_getdents64 fs/readdir.c:394 [inline]
 __arm64_sys_getdents64+0x1c0/0x404 fs/readdir.c:394
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:131
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:150
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598

Showing all locks held in the system:
4 locks held by kworker/u8:1/13:
 #0: ffff0000c1881948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3222
 #1: ffff8000941b7c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3222
 #2: ffff800092137090 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x13c/0x9b4 net/core/net_namespace.c:594
 #3: ffff80008f4bce00 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x58/0x534 kernel/rcu/tree.c:4448
1 lock held by khungtaskd/31:
 #0: ffff80008f4b7be0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:328
2 locks held by kworker/u8:5/594:
 #0: ffff0001b3d35018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:559 [inline]
 #0: ffff0001b3d35018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1406 [inline]
 #0: ffff0001b3d35018 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1702 [inline]
 #0: ffff0001b3d35018 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0x2e0/0x24d8 kernel/sched/core.c:6653
 #1: ffff0001b3d1eec8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3c0/0x618 kernel/sched/psi.c:988
2 locks held by kworker/u8:8/2106:
2 locks held by getty/6133:
 #0: ffff0000cce490a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff8000980ee2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41c/0x1228 drivers/tty/n_tty.c:2211
3 locks held by kworker/0:5/6428:
 #0: ffff0000c0028948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x624/0x15b8 kernel/workqueue.c:3222
 #1: ffff800099267c20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6a0/0x15b8 kernel/workqueue.c:3222
 #2: ffff0000dfe62240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x270/0x32bc drivers/net/netdevsim/fib.c:1489
2 locks held by syz.1.401/8442:
 #0: ffff0000d483ed48 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x218/0x2a4 fs/file.c:1191
 #1: ffff0000ddd7a140 (&type->i_mutex_dir_key#10){++++}-{3:3}, at: wrap_directory_iterator+0x64/0xf4 fs/readdir.c:56
2 locks held by syz-executor/9473:
 #0: ffff0000fbda8d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:510 [inline]
 #0: ffff0000fbda8d88 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x1f0/0x4bc net/bluetooth/hci_core.c:2728
 #1: ffff0000fbda8078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x394/0xec0 net/bluetooth/hci_sync.c:5063
1 lock held by syz-executor/9633:
 #0: ffff80008f4bce00 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x58/0x534 kernel/rcu/tree.c:4448
1 lock held by syz.1.645/9867:
2 locks held by syz.0.651/9894:

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