INFO: task kcompactd0:30 blocked for more than 143 seconds.
      Not tainted 5.15.145-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kcompactd0      state:D stack:25568 pid:   30 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 io_schedule+0x88/0x100 kernel/sched/core.c:8484
 wait_on_page_bit_common+0xa13/0x1180 mm/filemap.c:1356
 lock_page include/linux/pagemap.h:625 [inline]
 __unmap_and_move mm/migrate.c:990 [inline]
 unmap_and_move mm/migrate.c:1214 [inline]
 migrate_pages+0xbef/0x3470 mm/migrate.c:1491
 compact_zone+0x1ddb/0x4330 mm/compaction.c:2424
 kcompactd_do_work mm/compaction.c:2864 [inline]
 kcompactd+0x1239/0x2910 mm/compaction.c:2966
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8c91f220 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by getty/3257:
 #0: ffff8880245d9098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:252
 #1: ffffc90002bab2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 drivers/tty/n_tty.c:2158
1 lock held by syz-executor.1/11227:
1 lock held by syz-executor.1/11232:
1 lock held by syz-executor.1/11315:
1 lock held by syz-executor.1/11363:
1 lock held by syz-executor.1/11364:
1 lock held by syz-executor.1/11476:
1 lock held by syz-executor.1/11555:
1 lock held by syz-executor.1/11598:
1 lock held by syz-executor.5/11639:
1 lock held by syz-executor.1/11659:
3 locks held by syz-executor.3/11686:
1 lock held by syz-executor.1/11754:
1 lock held by syz-executor.1/11755:
1 lock held by syz-executor.1/11846:
1 lock held by syz-executor.1/11851:
3 locks held by kworker/u4:7/11868:
1 lock held by syz-executor.1/11973:

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

NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.145-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
 watchdog+0xe72/0xeb0 kernel/hung_task.c:295
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 11686 Comm: syz-executor.3 Not tainted 5.15.145-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:check_preemption_disabled+0x14/0x110 lib/smp_processor_id.c:13
Code: 75 5b c3 cc cc cc 48 c7 c7 20 80 d8 8a 48 c7 c6 60 80 d8 8a eb 00 41 57 41 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 <48> 89 44 24 08 65 8b 1d c8 08 e6 75 65 8b 05 31 63 e6 75 a9 ff ff
RSP: 0018:ffffc90004dae4e8 EFLAGS: 00000086
RAX: fa4d0e8d27171200 RBX: ffff88807966a000 RCX: dffffc0000000000
RDX: 0000000000000001 RSI: ffffffff8ad88060 RDI: ffffffff8ad88020
RBP: ffff88807c1e30c8 R08: ffffffff81afcd72 R09: fffff940003caca9
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000002
R13: ffff8880a470c000 R14: 0000000000000001 R15: 0000000000000002
FS:  00007f02268eb6c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fea91e81978 CR3: 0000000087c8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 memcg_rstat_updated mm/memcontrol.c:661 [inline]
 __mod_memcg_lruvec_state+0xf9/0x1a0 mm/memcontrol.c:746
 update_lru_size include/linux/mm_inline.h:33 [inline]
 add_page_to_lru_list include/linux/mm_inline.h:87 [inline]
 move_pages_to_lru+0xb28/0x1b90 mm/vmscan.c:2138
 shrink_inactive_list mm/vmscan.c:2219 [inline]
 shrink_list mm/vmscan.c:2443 [inline]
 shrink_lruvec+0x14c6/0x2b90 mm/vmscan.c:2762
 shrink_node_memcgs mm/vmscan.c:2949 [inline]
 shrink_node+0x10a7/0x25d0 mm/vmscan.c:3072
 shrink_zones mm/vmscan.c:3275 [inline]
 do_try_to_free_pages+0x650/0x1670 mm/vmscan.c:3330
 try_to_free_mem_cgroup_pages+0x44c/0xa60 mm/vmscan.c:3644
 try_charge_memcg+0x4f4/0x1530 mm/memcontrol.c:2651
 try_charge mm/memcontrol.c:2776 [inline]
 charge_memcg+0x10b/0x340 mm/memcontrol.c:6742
 __mem_cgroup_charge+0x23/0x80 mm/memcontrol.c:6778
 mem_cgroup_charge include/linux/memcontrol.h:700 [inline]
 __add_to_page_cache_locked+0xbdb/0x11a0 mm/filemap.c:892
 add_to_page_cache_lru+0x1b3/0x560 mm/filemap.c:984
 page_cache_ra_unbounded+0x403/0x930 mm/readahead.c:222
 page_cache_async_readahead include/linux/pagemap.h:856 [inline]
 do_async_mmap_readahead mm/filemap.c:3014 [inline]
 filemap_fault+0x669/0x1470 mm/filemap.c:3070
 __do_fault+0x139/0x340 mm/memory.c:3898
 do_read_fault mm/memory.c:4234 [inline]
 do_fault mm/memory.c:4362 [inline]
 handle_pte_fault mm/memory.c:4621 [inline]
 __handle_mm_fault mm/memory.c:4756 [inline]
 handle_mm_fault+0x376f/0x5950 mm/memory.c:4854
 faultin_page mm/gup.c:976 [inline]
 __get_user_pages+0x4ed/0x11d0 mm/gup.c:1197
 populate_vma_page_range+0x215/0x2a0 mm/gup.c:1529
 __mm_populate+0x2a5/0x4a0 mm/gup.c:1638
 mm_populate include/linux/mm.h:2632 [inline]
 vm_mmap_pgoff+0x22b/0x2d0 mm/util.c:556
 ksys_mmap_pgoff+0x559/0x780 mm/mmap.c:1624
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f0228369ce9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f02268eb0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f0228488f80 RCX: 00007f0228369ce9
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f02283b647a R08: 0000000000000004 R09: 0000000000000000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f0228488f80 R15: 00007ffc41634d38
 </TASK>