INFO: task syz.2.19:5579 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.19        state:D
 stack:0     pid:5579  ppid:4867   flags:0x00000001
Call trace:
 __switch_to+0x2f4/0x568 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0xc54/0x18b0 kernel/sched/core.c:6562
 schedule+0xc4/0x170 kernel/sched/core.c:6638
 io_schedule+0x84/0x150 kernel/sched/core.c:8798
 folio_wait_bit_common+0x520/0x95c mm/filemap.c:1324
 folio_put_wait_locked mm/filemap.c:1493 [inline]
 do_read_cache_folio+0xa8/0x544 mm/filemap.c:3641
 read_cache_folio+0x68/0x88 mm/filemap.c:3691
 erofs_bread+0x13c/0x520 fs/erofs/data.c:50
 erofs_find_target_block fs/erofs/namei.c:102 [inline]
 erofs_namei+0x1fc/0xc00 fs/erofs/namei.c:175
 erofs_lookup+0x158/0x450 fs/erofs/namei.c:204
 __lookup_slow+0x24c/0x370 fs/namei.c:1698
 lookup_slow+0x5c/0x80 fs/namei.c:1715
 walk_component fs/namei.c:2006 [inline]
 link_path_walk+0x76c/0xc6c fs/namei.c:2333
 path_openat+0x1c0/0x2680 fs/namei.c:3787
 do_filp_open+0x174/0x344 fs/namei.c:3818
 do_sys_openat2+0x128/0x3d8 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __arm64_sys_openat+0x120/0x154 fs/open.c:1347
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 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:
3 locks held by kworker/u4:1/11:
 #0: 
ffff0000c0029138 (
(wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265
 #1: ffff80001bf27c20 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267
 #2: ffff800016e0e708 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
1 lock held by rcu_tasks_kthre/12:
 #0: 
ffff800014bb1f70
 (
rcu_tasks.tasks_gp_mutex
){+.+.}-{3:3}
, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
 #0: 
ffff800014bb2790
 (
rcu_tasks_trace.tasks_gp_mutex
){+.+.}-{3:3}
, at: rcu_tasks_one_gp+0x40/0xbb4 kernel/rcu/tasks.h:517
1 lock held by khungtaskd/28:
 #0: ffff800014bb1600 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349
4 locks held by kworker/u4:4/1559:
 #0: 
ffff0000c0845138
 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x6b4/0x13a8 kernel/workqueue.c:2265
 #1: ffff800024847c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6f8/0x13a8 kernel/workqueue.c:2267
 #2: ffff800016e02050 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x12c/0xa74 net/core/net_namespace.c:594
 #3: ffff800016e0e708 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
3 locks held by kworker/u4:6/1597:
1 lock held by udevd/3759:
2 locks held by getty/3901:
 #0: ffff0000d6156098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80001fefb2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2ec/0xf9c drivers/tty/n_tty.c:2198
1 lock held by syz.3.20/5163:
1 lock held by syz.3.20/5168:
4 locks held by kworker/u4:7/5519:
1 lock held by syz.1.18/5561:
1 lock held by syz.1.18/5568:
1 lock held by syz.0.17/5562:
1 lock held by syz.0.17/5569:
1 lock held by syz.2.19/5574:
1 lock held by syz.2.19/5579:
1 lock held by syz.4.21/5591:
1 lock held by syz.4.21/5594:
1 lock held by syz.5.22/5684:
1 lock held by syz.5.22/5685:
1 lock held by syz.6.23/5871:
1 lock held by syz.6.23/5874:
1 lock held by syz.7.24/5881:
1 lock held by syz.7.24/5882:
1 lock held by syz.8.25/5885:
1 lock held by syz.8.25/5886:
1 lock held by syz.9.26/5911:
1 lock held by syz.9.26/5912:
1 lock held by syz-executor/12687:
 #0: 
ffff800016e0e708
 (
rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x6ec/0xce4 net/core/rtnetlink.c:6147
3 locks held by syz.3.3376/12869:

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