INFO: task kcompactd0:31 blocked for more than 143 seconds.
      Not tainted 5.19.0-syzkaller-13930-g7ebfc85e2cd7 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kcompactd0      state:D stack:28168 pid:   31 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0xadf/0x52b0 kernel/sched/core.c:6494
 schedule+0xda/0x1b0 kernel/sched/core.c:6570
 io_schedule+0xba/0x130 kernel/sched/core.c:8714
 folio_wait_bit_common+0x3dd/0xa90 mm/filemap.c:1298
 lock_page include/linux/pagemap.h:960 [inline]
 __unmap_and_move mm/migrate.c:1009 [inline]
 unmap_and_move mm/migrate.c:1162 [inline]
 migrate_pages+0xc74/0x5920 mm/migrate.c:1441
 compact_zone+0x1ac4/0x3750 mm/compaction.c:2416
 kcompactd_do_work+0x2c4/0x720 mm/compaction.c:2854
 kcompactd+0x866/0xf20 mm/compaction.c:2956
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
 #0: ffffffff8bf886f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
 #0: ffffffff8bf883f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
 #0: ffffffff8bf89240 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6492
2 locks held by getty/3284:
 #0: ffff88814af1a098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
 #1: ffffc90002d162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef0/0x13e0 drivers/tty/n_tty.c:2177
1 lock held by syz-executor.3/30312:
1 lock held by syz-executor.3/30437:
1 lock held by syz-executor.3/30510:
1 lock held by syz-executor.3/30591:
1 lock held by syz-executor.3/30655:
1 lock held by syz-executor.3/30742:
1 lock held by syz-executor.3/30812:
1 lock held by syz-executor.3/30898:
2 locks held by kworker/u4:3/30960:
1 lock held by syz-executor.3/30989:
1 lock held by syz-executor.3/31070:
1 lock held by syz-executor.3/31153:
1 lock held by syz-executor.3/31353:
1 lock held by syz-executor.3/31664:
1 lock held by syz-executor.3/31813:

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

NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.19.0-syzkaller-13930-g7ebfc85e2cd7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x46/0x14f lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x206/0x250 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
 watchdog+0xc18/0xf50 kernel/hung_task.c:369
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x6f/0xb0 drivers/acpi/processor_idle.c:112