INFO: task syz.0.15:4878 blocked for more than 143 seconds.
Not tainted 5.15.179-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.15 state:D stack: 0 pid: 4878 ppid: 4618 flags:0x00000009
Call trace:
__switch_to+0x308/0x588 arch/arm64/kernel/process.c:518
context_switch kernel/sched/core.c:5029 [inline]
__schedule+0xf10/0x1e48 kernel/sched/core.c:6375
schedule+0x11c/0x1c8 kernel/sched/core.c:6458
io_schedule+0x8c/0x194 kernel/sched/core.c:8483
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]
release_metapage+0x144/0x918 fs/jfs/jfs_metapage.c:736
discard_metapage fs/jfs/jfs_metapage.h:88 [inline]
__get_metapage+0xb38/0x1128 fs/jfs/jfs_metapage.c:645
jfs_readdir+0x1990/0x3030 fs/jfs/jfs_dtree.c:3324
iterate_dir+0x1f4/0x4ec fs/readdir.c:-1
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64 fs/readdir.c:354 [inline]
__arm64_sys_getdents64+0x1c4/0x4c4 fs/readdir.c:354
__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: ffff800014d41b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 include/linux/rcupdate.h:311
3 locks held by kworker/0:2/1534:
#0: ffff0000c0020938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x66c/0x11b8 kernel/workqueue.c:2283
#1: ffff800023e47c00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x6ac/0x11b8 kernel/workqueue.c:2285
#2: ffff0000eabd8240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x274/0x33c4 drivers/net/netdevsim/fib.c:1480
2 locks held by getty/3790:
#0: ffff0000d3ab3098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 drivers/tty/tty_ldsem.c:340
#1: ffff80001d6be2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 drivers/tty/n_tty.c:2158
2 locks held by syz.0.15/4878:
#0: ffff0000c86e0370 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x128/0x170 fs/file.c:1058
#1: ffff0000ebd033c0 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: iterate_dir+0x124/0x4ec fs/readdir.c:57
2 locks held by syz.1.16/4895:
#0: ffff0000d172f4f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x128/0x170 fs/file.c:1058
#1: ffff0000e1a133c0 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: iterate_dir+0x124/0x4ec fs/readdir.c:57
2 locks held by syz.2.17/4912:
#0: ffff0000d156d270 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x128/0x170 fs/file.c:1058
#1: ffff0000e1a60580 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: iterate_dir+0x124/0x4ec fs/readdir.c:57
2 locks held by syz.3.18/4929:
#0: ffff0000da9d8af0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x128/0x170 fs/file.c:1058
#1: ffff0000e1a658c0 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: iterate_dir+0x124/0x4ec fs/readdir.c:57
2 locks held by syz.4.19/4955:
#0: ffff0000d156c5f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x128/0x170 fs/file.c:1058
#1: ffff0000e182aa80 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: iterate_dir+0x124/0x4ec fs/readdir.c:57
2 locks held by syz.5.20/4981:
#0: ffff0000c98565f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x128/0x170 fs/file.c:1058
#1: ffff0000ebd04f80 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: iterate_dir+0x124/0x4ec fs/readdir.c:57
2 locks held by syz.6.21/5006:
#0: ffff0000cae94ff0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x128/0x170 fs/file.c:1058
#1: ffff0000ebea1800 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: iterate_dir+0x124/0x4ec fs/readdir.c:57
2 locks held by syz.7.22/5038:
#0: ffff0000d5a80d70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x128/0x170 fs/file.c:1058
#1: ffff0000ebea6b40 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: iterate_dir+0x124/0x4ec fs/readdir.c:57
2 locks held by syz.8.23/5063:
#0: ffff0000db168af0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x128/0x170 fs/file.c:1058
#1: ffff0000fbc4aa80 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: iterate_dir+0x124/0x4ec fs/readdir.c:57
2 locks held by syz.9.24/5090:
#0: ffff0000d3e1a5f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x128/0x170 fs/file.c:1058
#1: ffff0000fbc4c640 (&type->i_mutex_dir_key#8){+.+.}-{3:3}, at: iterate_dir+0x124/0x4ec fs/readdir.c:57
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