INFO: task syz-executor.5:12450 blocked for more than 143 seconds.
Not tainted 6.2.0-rc5-syzkaller-17291-g2e84eedb182e #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:0 pid:12450 ppid:4446 flags:0x00000009
Call trace:
__switch_to+0x180/0x298 arch/arm64/kernel/process.c:556
context_switch kernel/sched/core.c:5293 [inline]
__schedule+0x438/0x5a0 kernel/sched/core.c:6606
schedule+0x64/0xa4 kernel/sched/core.c:6682
io_schedule+0x38/0xbc kernel/sched/core.c:8862
folio_wait_bit_common+0x430/0x97c mm/filemap.c:1297
__folio_lock+0x2c/0x3c mm/filemap.c:1660
lock_page+0xb8/0x1e0 include/linux/pagemap.h:959
write_cache_pages+0x1c4/0x8bc mm/page-writeback.c:2439
generic_writepages mm/page-writeback.c:2563 [inline]
do_writepages+0x180/0x27c mm/page-writeback.c:2583
__writeback_single_inode+0x64/0x2e4 fs/fs-writeback.c:1598
writeback_single_inode+0x1a8/0x368 fs/fs-writeback.c:1719
write_inode_now+0xb0/0xdc fs/fs-writeback.c:2755
ntfs_file_fsync+0xe8/0x1a4 fs/ntfs/file.c:1966
vfs_fsync_range+0xb0/0xcc fs/sync.c:188
generic_write_sync include/linux/fs.h:2885 [inline]
ntfs_file_write_iter+0x380/0x4f0 fs/ntfs/file.c:1922
call_write_iter include/linux/fs.h:2189 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x2dc/0x46c fs/read_write.c:584
ksys_write+0xb4/0x160 fs/read_write.c:637
__do_sys_write fs/read_write.c:649 [inline]
__se_sys_write fs/read_write.c:646 [inline]
__arm64_sys_write+0x24/0x34 fs/read_write.c:646
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x48/0x104 arch/arm64/kernel/syscall.c:193
el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/11:
#0: ffff80000d6556c8 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/12:
#0: ffff80000d655d18 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/27:
#0: ffff80000d6555a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:324
2 locks held by kworker/u4:3/1009:
#0: ffff0000c0d40138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x270/0x504 kernel/workqueue.c:2262
#1: ffff8000143c3d80 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 kernel/workqueue.c:2264
2 locks held by getty/4078:
#0: ffff0000c67d7098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 drivers/tty/tty_ldisc.c:244
#1: ffff80000f85e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c drivers/tty/n_tty.c:2177
3 locks held by syz-executor.5/12450:
#0: ffff0000c9eef8e8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x12c/0x154 fs/file.c:1046
#1: ffff000124a8b460 (sb_writers#30){.+.+}-{0:0}, at: vfs_write+0x180/0x46c fs/read_write.c:580
#2: ffff00011a71f0f0 (&sb->s_type->i_mutex_key#32){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline]
#2: ffff00011a71f0f0 (&sb->s_type->i_mutex_key#32){+.+.}-{3:3}, at: ntfs_file_fsync+0x6c/0x1a4 fs/ntfs/file.c:1961
1 lock held by udevd/12604:
#0: ffff0001fefd1298 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:537 [inline]
#0: ffff0001fefd1298 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock kernel/sched/sched.h:1358 [inline]
#0: ffff0001fefd1298 (&rq->__lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1648 [inline]
#0: ffff0001fefd1298 (&rq->__lock){-.-.}-{2:2}, at: __schedule+0xa4/0x5a0 kernel/sched/core.c:6523
1 lock held by udevd/12744:
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