INFO: task syz.0.459:5712 blocked for more than 144 seconds.
      Not tainted 6.1.103-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.459       state:D stack:0     pid:5712  ppid:4295   flags:0x00000009
Call trace:
 __switch_to+0x320/0x754 arch/arm64/kernel/process.c:553
 context_switch kernel/sched/core.c:5241 [inline]
 __schedule+0xef4/0x1d44 kernel/sched/core.c:6558
 schedule+0xc4/0x170 kernel/sched/core.c:6634
 io_schedule+0x8c/0x188 kernel/sched/core.c:8786
 folio_wait_bit_common+0x65c/0xb90 mm/filemap.c:1296
 __folio_lock+0x2c/0x3c mm/filemap.c:1659
 lock_page include/linux/pagemap.h:995 [inline]
 release_metapage+0x168/0xc84 fs/jfs/jfs_metapage.c:735
 discard_metapage fs/jfs/jfs_metapage.h:88 [inline]
 __get_metapage+0xb0c/0x1050 fs/jfs/jfs_metapage.c:644
 jfs_readdir+0x1ed4/0x37bc fs/jfs/jfs_dtree.c:3018
 iterate_dir+0x1f4/0x4ec
 __do_sys_getdents64 fs/readdir.c:369 [inline]
 __se_sys_getdents64 fs/readdir.c:354 [inline]
 __arm64_sys_getdents64+0x1c4/0x4a0 fs/readdir.c:354
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
 #0: ffff800015b95030 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:516
1 lock held by rcu_tasks_trace/13:
 #0: ffff800015b95830 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x44/0xcf4 kernel/rcu/tasks.h:516
1 lock held by khungtaskd/28:
 #0: ffff800015b94e60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349
2 locks held by getty/4053:
 #0: ffff0000d65a6098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80001be832f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1214 drivers/tty/n_tty.c:2198
3 locks held by kworker/0:8/4348:
3 locks held by kworker/0:9/4387:
2 locks held by kworker/u4:9/4657:
 #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265
 #1: ffff80001e5c7c20 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267
4 locks held by kworker/u4:12/4872:
 #0: ffff0000c0845138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x664/0x1404 kernel/workqueue.c:2265
 #1: ffff80001eb97c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6a8/0x1404 kernel/workqueue.c:2267
 #2: ffff800017fd7a10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf4/0x994 net/core/net_namespace.c:566
 #3: ffff0000dae013e8 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_destruct+0x11c/0x2dc drivers/net/wireguard/device.c:249
2 locks held by syz.0.459/5712:
 #0: ffff0000ce908d68 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x124/0x16c fs/file.c:1062
 #1: ffff0000e30a8580 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: iterate_dir+0x124/0x4ec fs/readdir.c:57
2 locks held by kworker/u4:16/8084:
2 locks held by syz.2.1378/8300:
 #0: ffff0000e7479268 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x124/0x16c fs/file.c:1062
 #1: ffff0000f2c233c0 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: iterate_dir+0x124/0x4ec fs/readdir.c:57
1 lock held by udevd/8669:
3 locks held by syz.1.1500/8684:
1 lock held by syz.0.1501/8679:
2 locks held by modprobe/8682:

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