INFO: task syz.4.82:4355 blocked for more than 143 seconds.
      Not tainted 5.15.167-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.82        state:D stack:    0 pid: 4355 ppid:  4029 flags:0x00000009
Call trace:
 __switch_to+0x308/0x5e8 arch/arm64/kernel/process.c:518
 context_switch kernel/sched/core.c:5027 [inline]
 __schedule+0xf10/0x1e48 kernel/sched/core.c:6373
 schedule+0x11c/0x1c8 kernel/sched/core.c:6456
 io_schedule+0x8c/0x194 kernel/sched/core.c:8481
 wait_on_page_bit_common+0x6fc/0xc14 mm/filemap.c:1356
 __lock_page+0x8c/0xa8 mm/filemap.c:1648
 lock_page include/linux/pagemap.h:625 [inline]
 pickup_page_for_submission fs/erofs/zdata.c:1135 [inline]
 z_erofs_submit_queue fs/erofs/zdata.c:1306 [inline]
 z_erofs_runqueue+0x610/0x1474 fs/erofs/zdata.c:1367
 z_erofs_readahead+0x864/0xc98 fs/erofs/zdata.c:1459
 read_pages+0x13c/0x420 mm/readahead.c:130
 page_cache_ra_unbounded+0x534/0x654 mm/readahead.c:239
 do_page_cache_ra mm/readahead.c:269 [inline]
 force_page_cache_ra+0x320/0x388 mm/readahead.c:301
 force_page_cache_readahead mm/internal.h:59 [inline]
 generic_fadvise+0x490/0x750 mm/fadvise.c:107
 vfs_fadvise mm/fadvise.c:186 [inline]
 ksys_fadvise64_64 mm/fadvise.c:200 [inline]
 __do_sys_fadvise64_64 mm/fadvise.c:208 [inline]
 __se_sys_fadvise64_64 mm/fadvise.c:206 [inline]
 __arm64_sys_fadvise64_64+0x12c/0x174 mm/fadvise.c:206
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffff800014c917e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311
2 locks held by kworker/0:2/1534:
 #0: ffff0000c0021938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
 #1: ffff0001b418dc48 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x438/0x66c kernel/sched/psi.c:891
2 locks held by getty/3786:
 #0: ffff0000d3702098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
 #1: ffff80001d5be2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158
3 locks held by kworker/1:2/4010:
 #0: ffff0000c284d938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
 #1: ffff8000200c7c00 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
 #2: ffff0000ce0d5220 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:760 [inline]
 #2: ffff0000ce0d5220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1b8/0x46b8 drivers/usb/core/hub.c:5769
4 locks held by kworker/u4:10/4240:
1 lock held by syz.4.82/4355:
 #0: ffff0000dff98320 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:844 [inline]
 #0: ffff0000dff98320 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x158/0x654 mm/readahead.c:195
2 locks held by kworker/0:11/5935:
 #0: ffff0000c0021938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
 #1: ffff800020737c00 ((work_completion)(&rew.rew_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
2 locks held by kworker/u4:15/5978:
3 locks held by syz.0.627/6444:
 #0: ffff0000f07b0ff0 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x64/0x1060 net/bluetooth/hci_core.c:1737
 #1: ffff0000f07b0078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_do_close+0x338/0x1060 net/bluetooth/hci_core.c:1782
 #2: ffff800016d361a8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1517 [inline]
 #2: ffff800016d361a8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_hash_flush+0xb8/0x220 net/bluetooth/hci_conn.c:1622
1 lock held by syz.2.665/6617:
 #0: ffff800014c95de8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline]
 #0: ffff800014c95de8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2f0/0x660 kernel/rcu/tree_exp.h:845
3 locks held by syz.4.686/6632:
 #0: ffff0000ecb10ff0 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0x64/0x1060 net/bluetooth/hci_core.c:1737
 #1: ffff0000ecb10078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_do_close+0x338/0x1060 net/bluetooth/hci_core.c:1782
 #2: ffff800016d361a8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1517 [inline]
 #2: ffff800016d361a8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_hash_flush+0xb8/0x220 net/bluetooth/hci_conn.c:1622
1 lock held by syz-executor/6642:
 #0: ffff800014c95de8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline]
 #0: ffff800014c95de8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2f0/0x660 kernel/rcu/tree_exp.h:845

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