INFO: task syz.2.19:4550 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:4550  ppid:4489   flags:0x00000001
Call trace:
 __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563
 schedule+0xc4/0x170 kernel/sched/core.c:6639
 io_schedule+0x84/0x154 kernel/sched/core.c:8799
 folio_wait_bit_common+0x5b0/0xa2c mm/filemap.c:1324
 folio_put_wait_locked mm/filemap.c:1493 [inline]
 do_read_cache_folio+0xa8/0x534 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+0x214/0xc5c fs/erofs/namei.c:175
 erofs_lookup+0x158/0x44c fs/erofs/namei.c:204
 lookup_open fs/namei.c:3511 [inline]
 open_last_lookups fs/namei.c:3601 [inline]
 path_openat+0xc74/0x27a0 fs/namei.c:3831
 do_filp_open+0x198/0x38c fs/namei.c:3861
 do_sys_openat2+0x134/0x3fc 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+0x11c/0x150 fs/open.c:1347
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 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
INFO: task syz.0.17:4555 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.17        state:D stack:0     pid:4555  ppid:4482   flags:0x00000001
Call trace:
 __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563
 schedule+0xc4/0x170 kernel/sched/core.c:6639
 io_schedule+0x84/0x154 kernel/sched/core.c:8799
 folio_wait_bit_common+0x5b0/0xa2c mm/filemap.c:1324
 folio_put_wait_locked mm/filemap.c:1493 [inline]
 do_read_cache_folio+0xa8/0x534 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+0x214/0xc5c fs/erofs/namei.c:175
 erofs_lookup+0x158/0x44c fs/erofs/namei.c:204
 lookup_open fs/namei.c:3511 [inline]
 open_last_lookups fs/namei.c:3601 [inline]
 path_openat+0xc74/0x27a0 fs/namei.c:3831
 do_filp_open+0x198/0x38c fs/namei.c:3861
 do_sys_openat2+0x134/0x3fc 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+0x11c/0x150 fs/open.c:1347
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 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
INFO: task syz.1.18:4558 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.18        state:D stack:0     pid:4558  ppid:4484   flags:0x00000001
Call trace:
 __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563
 schedule+0xc4/0x170 kernel/sched/core.c:6639
 io_schedule+0x84/0x154 kernel/sched/core.c:8799
 folio_wait_bit_common+0x5b0/0xa2c mm/filemap.c:1324
 folio_put_wait_locked mm/filemap.c:1493 [inline]
 do_read_cache_folio+0xa8/0x534 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+0x214/0xc5c fs/erofs/namei.c:175
 erofs_lookup+0x158/0x44c fs/erofs/namei.c:204
 lookup_open fs/namei.c:3511 [inline]
 open_last_lookups fs/namei.c:3601 [inline]
 path_openat+0xc74/0x27a0 fs/namei.c:3831
 do_filp_open+0x198/0x38c fs/namei.c:3861
 do_sys_openat2+0x134/0x3fc 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+0x11c/0x150 fs/open.c:1347
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 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
INFO: task syz.3.20:4559 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.20        state:D stack:0     pid:4559  ppid:4491   flags:0x00000001
Call trace:
 __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563
 schedule+0xc4/0x170 kernel/sched/core.c:6639
 io_schedule+0x84/0x154 kernel/sched/core.c:8799
 folio_wait_bit_common+0x5b0/0xa2c mm/filemap.c:1324
 folio_put_wait_locked mm/filemap.c:1493 [inline]
 do_read_cache_folio+0xa8/0x534 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+0x214/0xc5c fs/erofs/namei.c:175
 erofs_lookup+0x158/0x44c fs/erofs/namei.c:204
 lookup_open fs/namei.c:3511 [inline]
 open_last_lookups fs/namei.c:3601 [inline]
 path_openat+0xc74/0x27a0 fs/namei.c:3831
 do_filp_open+0x198/0x38c fs/namei.c:3861
 do_sys_openat2+0x134/0x3fc 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+0x11c/0x150 fs/open.c:1347
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 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
INFO: task syz.4.21:4602 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.21        state:D
 stack:0     pid:4602  ppid:4492   flags:0x00000001
Call trace:
 __switch_to+0x2f4/0x550 arch/arm64/kernel/process.c:555
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0xdb4/0x1a6c kernel/sched/core.c:6563
 schedule+0xc4/0x170 kernel/sched/core.c:6639
 io_schedule+0x84/0x154 kernel/sched/core.c:8799
 folio_wait_bit_common+0x5b0/0xa2c mm/filemap.c:1324
 folio_put_wait_locked mm/filemap.c:1493 [inline]
 do_read_cache_folio+0xa8/0x534 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+0x214/0xc5c fs/erofs/namei.c:175
 erofs_lookup+0x158/0x44c fs/erofs/namei.c:204
 lookup_open fs/namei.c:3511 [inline]
 open_last_lookups fs/namei.c:3601 [inline]
 path_openat+0xc74/0x27a0 fs/namei.c:3831
 do_filp_open+0x198/0x38c fs/namei.c:3861
 do_sys_openat2+0x134/0x3fc 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+0x11c/0x150 fs/open.c:1347
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 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:
4 locks held by kworker/u4:0/9:
 #0: ffff0000c0845138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1
 #1: ffff80001cb57c40 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267
 #2: ffff800017a19610 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x144/0xa90 net/core/net_namespace.c:594
 #3: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
3 locks held by kworker/u4:1/11:
 #0: ffff0000c0029138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1
 #1: ffff80001cb77c40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267
 #2: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
1 lock held by rcu_tasks_kthre/12:
 #0: ffff800015577db0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
 #0: ffff8000155785d0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x40/0xc48 kernel/rcu/tasks.h:517
1 lock held by khungtaskd/28:
 #0: ffff800015577440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349
1 lock held by udevd/3939:
2 locks held by getty/4083:
 #0: ffff0000d8638098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80001fa162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x2e8/0xfa8 drivers/tty/n_tty.c:2198
3 locks held by kworker/1:13/4460:
 #0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}
, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1
 #1: ffff800020f27c40 (deferred_process_work
){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267
 #2: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}
, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
3 locks held by kworker/1:14/4461:
 #0: ffff0000d6c4f938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x69c/0x13bc kernel/workqueue.c:-1
 #1: ffff800020f37c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6e8/0x13bc kernel/workqueue.c:2267
 #2: ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:74
3 locks held by kworker/u4:7/4541:
1 lock held by syz.2.19/4549:
1 lock held by syz.2.19/4550:
 #0: ffff0000f3628198 (&type->i_mutex_dir_key#8){.+.+}-{3:3}
, at: inode_lock_shared include/linux/fs.h:774 [inline]
, at: open_last_lookups fs/namei.c:3600 [inline]
, at: path_openat+0x5cc/0x27a0 fs/namei.c:3831
2 locks held by syz.0.17/4552:
1 lock held by syz.0.17/4555:
 #0: 
ffff0000f3628c48 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:774 [inline]
ffff0000f3628c48 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3600 [inline]
ffff0000f3628c48 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: path_openat+0x5cc/0x27a0 fs/namei.c:3831
1 lock held by syz.1.18/4554:
1 lock held by syz.1.18/4558:
 #0: ffff0000f3688198 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:774 [inline]
 #0: ffff0000f3688198 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3600 [inline]
 #0: ffff0000f3688198 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: path_openat+0x5cc/0x27a0 fs/namei.c:3831
1 lock held by syz.3.20/4557:
1 lock held by syz.3.20/4559:
 #0: ffff0000f36296f8 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:774 [inline]
 #0: ffff0000f36296f8 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3600 [inline]
 #0: ffff0000f36296f8 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: path_openat+0x5cc/0x27a0 fs/namei.c:3831
1 lock held by syz.4.21/4601:
1 lock held by syz.4.21/4602:
 #0: ffff0000f3688c48 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:774 [inline]
 #0: ffff0000f3688c48 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3600 [inline]
 #0: ffff0000f3688c48 (&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: path_openat+0x5cc/0x27a0 fs/namei.c:3831
1 lock held by syz.6.23/4695:
1 lock held by syz.6.23/4696:
 #0: ffff0000f362a1a8 (&type->i_mutex_dir_key#8){.+.+}-{3:3}
, at: inode_lock_shared include/linux/fs.h:774 [inline]
, at: open_last_lookups fs/namei.c:3600 [inline]
, at: path_openat+0x5cc/0x27a0 fs/namei.c:3831
1 lock held by syz.5.22/4698:
1 lock held by syz.5.22/4699:
 #0: ffff0000f362ac58 (
&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:774 [inline]
&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3600 [inline]
&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: path_openat+0x5cc/0x27a0 fs/namei.c:3831
1 lock held by syz.7.24/4701:
1 lock held by syz.7.24/4702:
 #0: ffff0000f36896f8 (&type->i_mutex_dir_key
#8){.+.+}-{3:3}
, at: inode_lock_shared include/linux/fs.h:774 [inline]
, at: open_last_lookups fs/namei.c:3600 [inline]
, at: path_openat+0x5cc/0x27a0 fs/namei.c:3831
1 lock held by syz.8.25/4705:
1 lock held by syz.8.25/4709:
 #0: ffff0000f362b708 (
&type->i_mutex_dir_key#8
){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:774 [inline]
){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3600 [inline]
){.+.+}-{3:3}, at: path_openat+0x5cc/0x27a0 fs/namei.c:3831
1 lock held by syz.9.26/4730:
1 lock held by syz.9.26/4731:
 #0: ffff0000f368a1a8 (
&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:774 [inline]
&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3600 [inline]
&type->i_mutex_dir_key#8){.+.+}-{3:3}, at: path_openat+0x5cc/0x27a0 fs/namei.c:3831
1 lock held by syz-executor/11204:
 #0: 
ffff800017a25e88 (rtnl_mutex){+.+.}-{3:3}
, at: rtnl_lock net/core/rtnetlink.c:74 [inline]
, at: rtnetlink_rcv_msg+0x64c/0xcc4 net/core/rtnetlink.c:6163
3 locks held by syz-executor/11892:
 #0: ffff00019f383398 (&rq->__lock){-.-.}-{2:2}
, at: raw_spin_rq_lock_nested kernel/sched/core.c:538 [inline]
, at: raw_spin_rq_lock kernel/sched/sched.h:1362 [inline]
, at: rq_lock kernel/sched/sched.h:1652 [inline]
, at: __schedule+0x2bc/0x1a6c kernel/sched/core.c:6479
 #1: ffff00019f36fbc8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x35c/0x5b8 kernel/sched/psi.c:999
 #2: ffff800015577440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:349

=============================================